cpython-lru_cache-weakref: Objects/stringlib/string

annotate Objects/stringlib/string_format.h @ 70303:2d760cb20e1e 2.6

Replay changeset 70249:b571c7a8cf2e from fubar branch. Original commit message: Merging post 2.6.7rc2 changes from Subversion.

author	Barry Warsaw <barry@python.org>
date	Mon, 23 May 2011 15:27:52 -0400
parents	b44a2fe531ef
children	b36cb4602e21

rev	line source
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1 /*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	2 string_format.h -- implementation of string.format().
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	3
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	4 It uses the Objects/stringlib conventions, so that it can be
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	5 compiled for both unicode and string objects.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	6 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	7
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	8
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	9 /* Defines for Python 2.6 compatability */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	10 #if PY_VERSION_HEX < 0x03000000
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	11 #define PyLong_FromSsize_t _PyLong_FromSsize_t
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	12 #endif
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	13
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	14 /* Defines for more efficiently reallocating the string buffer */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	15 #define INITIAL_SIZE_INCREMENT 100
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	16 #define SIZE_MULTIPLIER 2
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	17 #define MAX_SIZE_INCREMENT 3200
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	18
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	19
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	20 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	21 /********* Global data structures and forward declarations *******/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	22 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	23
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	24 /*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	25 A SubString consists of the characters between two string or
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	26 unicode pointers.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	27 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	28 typedef struct {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	29 STRINGLIB_CHAR *ptr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	30 STRINGLIB_CHAR *end;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	31 } SubString;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	32
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	33
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	34 /* forward declaration for recursion */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	35 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	36 build_string(SubString input, PyObject args, PyObject *kwargs,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	37 int recursion_depth);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	38
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	39
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	40
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	41 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	42 /************************ Utility functions **********************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	43 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	44
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	45 /* fill in a SubString from a pointer and length */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	46 Py_LOCAL_INLINE(void)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	47 SubString_init(SubString str, STRINGLIB_CHAR p, Py_ssize_t len)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	48 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	49 str->ptr = p;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	50 if (p == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	51 str->end = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	52 else
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	53 str->end = str->ptr + len;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	54 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	55
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	56 /* return a new string. if str->ptr is NULL, return None */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	57 Py_LOCAL_INLINE(PyObject *)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	58 SubString_new_object(SubString *str)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	59 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	60 if (str->ptr == NULL) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	61 Py_INCREF(Py_None);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	62 return Py_None;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	63 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	64 return STRINGLIB_NEW(str->ptr, str->end - str->ptr);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	65 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	66
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	67 /* return a new string. if str->ptr is NULL, return None */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	68 Py_LOCAL_INLINE(PyObject *)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	69 SubString_new_object_or_empty(SubString *str)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	70 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	71 if (str->ptr == NULL) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	72 return STRINGLIB_NEW(NULL, 0);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	73 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	74 return STRINGLIB_NEW(str->ptr, str->end - str->ptr);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	75 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	76
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	77 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	78 /********* Output string management functions **************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	79 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	80
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	81 typedef struct {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	82 STRINGLIB_CHAR *ptr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	83 STRINGLIB_CHAR *end;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	84 PyObject *obj;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	85 Py_ssize_t size_increment;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	86 } OutputString;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	87
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	88 /* initialize an OutputString object, reserving size characters */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	89 static int
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	90 output_initialize(OutputString *output, Py_ssize_t size)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	91 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	92 output->obj = STRINGLIB_NEW(NULL, size);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	93 if (output->obj == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	94 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	95
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	96 output->ptr = STRINGLIB_STR(output->obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	97 output->end = STRINGLIB_LEN(output->obj) + output->ptr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	98 output->size_increment = INITIAL_SIZE_INCREMENT;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	99
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	100 return 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	101 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	102
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	103 /*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	104 output_extend reallocates the output string buffer.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	105 It returns a status: 0 for a failed reallocation,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	106 1 for success.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	107 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	108
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	109 static int
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	110 output_extend(OutputString *output, Py_ssize_t count)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	111 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	112 STRINGLIB_CHAR *startptr = STRINGLIB_STR(output->obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	113 Py_ssize_t curlen = output->ptr - startptr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	114 Py_ssize_t maxlen = curlen + count + output->size_increment;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	115
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	116 if (STRINGLIB_RESIZE(&output->obj, maxlen) < 0)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	117 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	118 startptr = STRINGLIB_STR(output->obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	119 output->ptr = startptr + curlen;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	120 output->end = startptr + maxlen;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	121 if (output->size_increment < MAX_SIZE_INCREMENT)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	122 output->size_increment *= SIZE_MULTIPLIER;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	123 return 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	124 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	125
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	126 /*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	127 output_data dumps characters into our output string
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	128 buffer.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	129
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	130 In some cases, it has to reallocate the string.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	131
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	132 It returns a status: 0 for a failed reallocation,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	133 1 for success.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	134 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	135 static int
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	136 output_data(OutputString output, const STRINGLIB_CHAR s, Py_ssize_t count)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	137 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	138 if ((count > output->end - output->ptr) && !output_extend(output, count))
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	139 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	140 memcpy(output->ptr, s, count * sizeof(STRINGLIB_CHAR));
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	141 output->ptr += count;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	142 return 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	143 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	144
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	145 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	146 /********* Format string parsing -- integers and identifiers *******/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	147 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	148
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	149 static Py_ssize_t
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	150 get_integer(const SubString *str)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	151 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	152 Py_ssize_t accumulator = 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	153 Py_ssize_t digitval;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	154 Py_ssize_t oldaccumulator;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	155 STRINGLIB_CHAR *p;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	156
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	157 /* empty string is an error */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	158 if (str->ptr >= str->end)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	159 return -1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	160
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	161 for (p = str->ptr; p < str->end; p++) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	162 digitval = STRINGLIB_TODECIMAL(*p);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	163 if (digitval < 0)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	164 return -1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	165 /*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	166 This trick was copied from old Unicode format code. It's cute,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	167 but would really suck on an old machine with a slow divide
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	168 implementation. Fortunately, in the normal case we do not
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	169 expect too many digits.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	170 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	171 oldaccumulator = accumulator;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	172 accumulator *= 10;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	173 if ((accumulator+10)/10 != oldaccumulator+1) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	174 PyErr_Format(PyExc_ValueError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	175 "Too many decimal digits in format string");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	176 return -1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	177 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	178 accumulator += digitval;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	179 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	180 return accumulator;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	181 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	182
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	183 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	184 /****** Functions to get field objects and specification strings ****/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	185 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	186
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	187 /* do the equivalent of obj.name */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	188 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	189 getattr(PyObject obj, SubString name)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	190 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	191 PyObject *newobj;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	192 PyObject *str = SubString_new_object(name);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	193 if (str == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	194 return NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	195 newobj = PyObject_GetAttr(obj, str);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	196 Py_DECREF(str);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	197 return newobj;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	198 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	199
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	200 /* do the equivalent of obj[idx], where obj is a sequence */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	201 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	202 getitem_sequence(PyObject *obj, Py_ssize_t idx)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	203 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	204 return PySequence_GetItem(obj, idx);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	205 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	206
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	207 /* do the equivalent of obj[idx], where obj is not a sequence */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	208 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	209 getitem_idx(PyObject *obj, Py_ssize_t idx)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	210 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	211 PyObject *newobj;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	212 PyObject *idx_obj = PyLong_FromSsize_t(idx);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	213 if (idx_obj == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	214 return NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	215 newobj = PyObject_GetItem(obj, idx_obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	216 Py_DECREF(idx_obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	217 return newobj;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	218 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	219
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	220 /* do the equivalent of obj[name] */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	221 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	222 getitem_str(PyObject obj, SubString name)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	223 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	224 PyObject *newobj;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	225 PyObject *str = SubString_new_object(name);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	226 if (str == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	227 return NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	228 newobj = PyObject_GetItem(obj, str);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	229 Py_DECREF(str);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	230 return newobj;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	231 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	232
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	233 typedef struct {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	234 /* the entire string we're parsing. we assume that someone else
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	235 is managing its lifetime, and that it will exist for the
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	236 lifetime of the iterator. can be empty */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	237 SubString str;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	238
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	239 /* pointer to where we are inside field_name */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	240 STRINGLIB_CHAR *ptr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	241 } FieldNameIterator;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	242
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	243
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	244 static int
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	245 FieldNameIterator_init(FieldNameIterator self, STRINGLIB_CHAR ptr,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	246 Py_ssize_t len)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	247 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	248 SubString_init(&self->str, ptr, len);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	249 self->ptr = self->str.ptr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	250 return 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	251 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	252
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	253 static int
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	254 _FieldNameIterator_attr(FieldNameIterator self, SubString name)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	255 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	256 STRINGLIB_CHAR c;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	257
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	258 name->ptr = self->ptr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	259
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	260 /* return everything until '.' or '[' */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	261 while (self->ptr < self->str.end) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	262 switch (c = *self->ptr++) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	263 case '[':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	264 case '.':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	265 /* backup so that we this character will be seen next time */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	266 self->ptr--;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	267 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	268 default:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	269 continue;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	270 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	271 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	272 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	273 /* end of string is okay */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	274 name->end = self->ptr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	275 return 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	276 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	277
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	278 static int
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	279 _FieldNameIterator_item(FieldNameIterator self, SubString name)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	280 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	281 int bracket_seen = 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	282 STRINGLIB_CHAR c;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	283
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	284 name->ptr = self->ptr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	285
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	286 /* return everything until ']' */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	287 while (self->ptr < self->str.end) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	288 switch (c = *self->ptr++) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	289 case ']':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	290 bracket_seen = 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	291 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	292 default:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	293 continue;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	294 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	295 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	296 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	297 /* make sure we ended with a ']' */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	298 if (!bracket_seen) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	299 PyErr_SetString(PyExc_ValueError, "Missing ']' in format string");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	300 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	301 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	302
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	303 /* end of string is okay */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	304 /* don't include the ']' */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	305 name->end = self->ptr-1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	306 return 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	307 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	308
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	309 /* returns 0 on error, 1 on non-error termination, and 2 if it returns a value */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	310 static int
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	311 FieldNameIterator_next(FieldNameIterator self, int is_attribute,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	312 Py_ssize_t name_idx, SubString name)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	313 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	314 /* check at end of input */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	315 if (self->ptr >= self->str.end)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	316 return 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	317
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	318 switch (*self->ptr++) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	319 case '.':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	320 *is_attribute = 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	321 if (_FieldNameIterator_attr(self, name) == 0)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	322 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	323 *name_idx = -1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	324 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	325 case '[':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	326 *is_attribute = 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	327 if (_FieldNameIterator_item(self, name) == 0)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	328 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	329 *name_idx = get_integer(name);
62170 b44a2fe531ef Merged revisions 81820 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 61465 diff changeset	330 if (*name_idx == -1 && PyErr_Occurred())
b44a2fe531ef Merged revisions 81820 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 61465 diff changeset	331 return 0;
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	332 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	333 default:
54268 d2d028f65c7c Merged revisions 72848 via svnmerge from Eric Smith <eric@trueblade.com> parents: 48286 diff changeset	334 /* Invalid character follows ']' */
d2d028f65c7c Merged revisions 72848 via svnmerge from Eric Smith <eric@trueblade.com> parents: 48286 diff changeset	335 PyErr_SetString(PyExc_ValueError, "Only '.' or '[' may "
d2d028f65c7c Merged revisions 72848 via svnmerge from Eric Smith <eric@trueblade.com> parents: 48286 diff changeset	336 "follow ']' in format field specifier");
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	337 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	338 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	339
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	340 /* empty string is an error */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	341 if (name->ptr == name->end) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	342 PyErr_SetString(PyExc_ValueError, "Empty attribute in format string");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	343 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	344 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	345
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	346 return 2;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	347 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	348
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	349
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	350 /* input: field_name
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	351 output: 'first' points to the part before the first '[' or '.'
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	352 'first_idx' is -1 if 'first' is not an integer, otherwise
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	353 it's the value of first converted to an integer
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	354 'rest' is an iterator to return the rest
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	355 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	356 static int
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	357 field_name_split(STRINGLIB_CHAR ptr, Py_ssize_t len, SubString first,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	358 Py_ssize_t first_idx, FieldNameIterator rest)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	359 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	360 STRINGLIB_CHAR c;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	361 STRINGLIB_CHAR *p = ptr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	362 STRINGLIB_CHAR *end = ptr + len;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	363
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	364 /* find the part up until the first '.' or '[' */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	365 while (p < end) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	366 switch (c = *p++) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	367 case '[':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	368 case '.':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	369 /* backup so that we this character is available to the
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	370 "rest" iterator */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	371 p--;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	372 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	373 default:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	374 continue;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	375 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	376 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	377 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	378
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	379 /* set up the return values */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	380 SubString_init(first, ptr, p - ptr);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	381 FieldNameIterator_init(rest, p, end - p);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	382
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	383 /* see if "first" is an integer, in which case it's used as an index */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	384 *first_idx = get_integer(first);
62170 b44a2fe531ef Merged revisions 81820 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 61465 diff changeset	385 if (*first_idx == -1 && PyErr_Occurred())
b44a2fe531ef Merged revisions 81820 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 61465 diff changeset	386 return 0;
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	387
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	388 /* zero length string is an error */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	389 if (first->ptr >= first->end) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	390 PyErr_SetString(PyExc_ValueError, "empty field name");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	391 goto error;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	392 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	393
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	394 return 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	395 error:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	396 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	397 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	398
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	399
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	400 /*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	401 get_field_object returns the object inside {}, before the
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	402 format_spec. It handles getindex and getattr lookups and consumes
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	403 the entire input string.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	404 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	405 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	406 get_field_object(SubString input, PyObject args, PyObject *kwargs)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	407 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	408 PyObject *obj = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	409 int ok;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	410 int is_attribute;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	411 SubString name;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	412 SubString first;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	413 Py_ssize_t index;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	414 FieldNameIterator rest;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	415
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	416 if (!field_name_split(input->ptr, input->end - input->ptr, &first,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	417 &index, &rest)) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	418 goto error;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	419 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	420
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	421 if (index == -1) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	422 /* look up in kwargs */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	423 PyObject *key = SubString_new_object(&first);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	424 if (key == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	425 goto error;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	426 if ((kwargs == NULL) \|\| (obj = PyDict_GetItem(kwargs, key)) == NULL) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	427 PyErr_SetObject(PyExc_KeyError, key);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	428 Py_DECREF(key);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	429 goto error;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	430 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	431 Py_DECREF(key);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	432 Py_INCREF(obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	433 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	434 else {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	435 /* look up in args */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	436 obj = PySequence_GetItem(args, index);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	437 if (obj == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	438 goto error;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	439 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	440
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	441 /* iterate over the rest of the field_name */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	442 while ((ok = FieldNameIterator_next(&rest, &is_attribute, &index,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	443 &name)) == 2) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	444 PyObject *tmp;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	445
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	446 if (is_attribute)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	447 /* getattr lookup "." */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	448 tmp = getattr(obj, &name);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	449 else
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	450 /* getitem lookup "[]" */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	451 if (index == -1)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	452 tmp = getitem_str(obj, &name);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	453 else
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	454 if (PySequence_Check(obj))
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	455 tmp = getitem_sequence(obj, index);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	456 else
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	457 /* not a sequence */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	458 tmp = getitem_idx(obj, index);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	459 if (tmp == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	460 goto error;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	461
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	462 /* assign to obj */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	463 Py_DECREF(obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	464 obj = tmp;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	465 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	466 /* end of iterator, this is the non-error case */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	467 if (ok == 1)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	468 return obj;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	469 error:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	470 Py_XDECREF(obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	471 return NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	472 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	473
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	474 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	475 /*************** Field rendering functions ************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	476 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	477
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	478 /*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	479 render_field() is the main function in this section. It takes the
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	480 field object and field specification string generated by
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	481 get_field_and_spec, and renders the field into the output string.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	482
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	483 render_field calls fieldobj.__format__(format_spec) method, and
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	484 appends to the output.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	485 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	486 static int
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	487 render_field(PyObject fieldobj, SubString format_spec, OutputString *output)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	488 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	489 int ok = 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	490 PyObject *result = NULL;
48286 4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	491 PyObject *format_spec_object = NULL;
4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	492 PyObject (formatter)(PyObject , STRINGLIB_CHAR , Py_ssize_t) = NULL;
4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	493 STRINGLIB_CHAR* format_spec_start = format_spec->ptr ?
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	494 format_spec->ptr : NULL;
48286 4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	495 Py_ssize_t format_spec_len = format_spec->ptr ?
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	496 format_spec->end - format_spec->ptr : 0;
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	497
48286 4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	498 /* If we know the type exactly, skip the lookup of __format__ and just
4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	499 call the formatter directly. */
4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	500 #if STRINGLIB_IS_UNICODE
4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	501 if (PyUnicode_CheckExact(fieldobj))
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	502 formatter = _PyUnicode_FormatAdvanced;
48286 4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	503 /* Unfortunately, there's a problem with checking for int, long,
4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	504 and float here. If we're being included as unicode, their
4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	505 formatters expect string format_spec args. For now, just skip
4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	506 this optimization for unicode. This could be fixed, but it's a
4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	507 hassle. */
4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	508 #else
4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	509 if (PyString_CheckExact(fieldobj))
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	510 formatter = _PyBytes_FormatAdvanced;
48286 4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	511 else if (PyInt_CheckExact(fieldobj))
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	512 formatter =_PyInt_FormatAdvanced;
48286 4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	513 else if (PyLong_CheckExact(fieldobj))
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	514 formatter =_PyLong_FormatAdvanced;
48286 4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	515 else if (PyFloat_CheckExact(fieldobj))
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	516 formatter = _PyFloat_FormatAdvanced;
48286 4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	517 #endif
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	518
48286 4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	519 if (formatter) {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	520 /* we know exactly which formatter will be called when __format__ is
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	521 looked up, so call it directly, instead. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	522 result = formatter(fieldobj, format_spec_start, format_spec_len);
48286 4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	523 }
4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	524 else {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	525 /* We need to create an object out of the pointers we have, because
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	526 __format__ takes a string/unicode object for format_spec. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	527 format_spec_object = STRINGLIB_NEW(format_spec_start,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	528 format_spec_len);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	529 if (format_spec_object == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	530 goto done;
48286 4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	531
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	532 result = PyObject_Format(fieldobj, format_spec_object);
48286 4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	533 }
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	534 if (result == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	535 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	536
45391 3fc586307d66 Added code to correct combining str and unicode in ''.format(). Added test case. Eric Smith <eric@trueblade.com> parents: 45381 diff changeset	537 #if PY_VERSION_HEX >= 0x03000000
45507 a77e1cf7ed25 Corrected assert to check for correct type in py3k. Eric Smith <eric@trueblade.com> parents: 45391 diff changeset	538 assert(PyUnicode_Check(result));
45391 3fc586307d66 Added code to correct combining str and unicode in ''.format(). Added test case. Eric Smith <eric@trueblade.com> parents: 45381 diff changeset	539 #else
47527 52294af4b663 This reverts r63675 based on the discussion in this thread: Gregory P. Smith <greg@mad-scientist.com> parents: 47294 diff changeset	540 assert(PyString_Check(result) \|\| PyUnicode_Check(result));
45391 3fc586307d66 Added code to correct combining str and unicode in ''.format(). Added test case. Eric Smith <eric@trueblade.com> parents: 45381 diff changeset	541
3fc586307d66 Added code to correct combining str and unicode in ''.format(). Added test case. Eric Smith <eric@trueblade.com> parents: 45381 diff changeset	542 /* Convert result to our type. We could be str, and result could
3fc586307d66 Added code to correct combining str and unicode in ''.format(). Added test case. Eric Smith <eric@trueblade.com> parents: 45381 diff changeset	543 be unicode */
3fc586307d66 Added code to correct combining str and unicode in ''.format(). Added test case. Eric Smith <eric@trueblade.com> parents: 45381 diff changeset	544 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	545 PyObject *tmp = STRINGLIB_TOSTR(result);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	546 if (tmp == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	547 goto done;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	548 Py_DECREF(result);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	549 result = tmp;
45391 3fc586307d66 Added code to correct combining str and unicode in ''.format(). Added test case. Eric Smith <eric@trueblade.com> parents: 45381 diff changeset	550 }
3fc586307d66 Added code to correct combining str and unicode in ''.format(). Added test case. Eric Smith <eric@trueblade.com> parents: 45381 diff changeset	551 #endif
3fc586307d66 Added code to correct combining str and unicode in ''.format(). Added test case. Eric Smith <eric@trueblade.com> parents: 45381 diff changeset	552
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	553 ok = output_data(output,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	554 STRINGLIB_STR(result), STRINGLIB_LEN(result));
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	555 done:
48286 4b4564beb6da Backport of r63826. Eric Smith <eric@trueblade.com> parents: 47527 diff changeset	556 Py_XDECREF(format_spec_object);
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	557 Py_XDECREF(result);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	558 return ok;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	559 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	560
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	561 static int
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	562 parse_field(SubString str, SubString field_name, SubString *format_spec,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	563 STRINGLIB_CHAR *conversion)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	564 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	565 STRINGLIB_CHAR c = 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	566
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	567 /* initialize these, as they may be empty */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	568 *conversion = '\0';
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	569 SubString_init(format_spec, NULL, 0);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	570
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	571 /* search for the field name. it's terminated by the end of the
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	572 string, or a ':' or '!' */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	573 field_name->ptr = str->ptr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	574 while (str->ptr < str->end) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	575 switch (c = *(str->ptr++)) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	576 case ':':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	577 case '!':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	578 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	579 default:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	580 continue;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	581 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	582 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	583 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	584
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	585 if (c == '!' \|\| c == ':') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	586 /* we have a format specifier and/or a conversion */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	587 /* don't include the last character */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	588 field_name->end = str->ptr-1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	589
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	590 /* the format specifier is the rest of the string */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	591 format_spec->ptr = str->ptr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	592 format_spec->end = str->end;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	593
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	594 /* see if there's a conversion specifier */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	595 if (c == '!') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	596 /* there must be another character present */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	597 if (format_spec->ptr >= format_spec->end) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	598 PyErr_SetString(PyExc_ValueError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	599 "end of format while looking for conversion "
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	600 "specifier");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	601 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	602 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	603 conversion = (format_spec->ptr++);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	604
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	605 /* if there is another character, it must be a colon */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	606 if (format_spec->ptr < format_spec->end) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	607 c = *(format_spec->ptr++);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	608 if (c != ':') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	609 PyErr_SetString(PyExc_ValueError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	610 "expected ':' after format specifier");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	611 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	612 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	613 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	614 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	615
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	616 return 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	617
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	618 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	619 else {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	620 /* end of string, there's no format_spec or conversion */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	621 field_name->end = str->ptr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	622 return 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	623 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	624 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	625
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	626 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	627 /***** Output string allocation and escape-to-markup processing ****/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	628 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	629
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	630 /* MarkupIterator breaks the string into pieces of either literal
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	631 text, or things inside {} that need to be marked up. it is
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	632 designed to make it easy to wrap a Python iterator around it, for
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	633 use with the Formatter class */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	634
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	635 typedef struct {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	636 SubString str;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	637 } MarkupIterator;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	638
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	639 static int
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	640 MarkupIterator_init(MarkupIterator self, STRINGLIB_CHAR ptr, Py_ssize_t len)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	641 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	642 SubString_init(&self->str, ptr, len);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	643 return 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	644 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	645
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	646 /* returns 0 on error, 1 on non-error termination, and 2 if it got a
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	647 string (or something to be expanded) */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	648 static int
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	649 MarkupIterator_next(MarkupIterator self, SubString literal,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	650 SubString field_name, SubString format_spec,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	651 STRINGLIB_CHAR *conversion,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	652 int *format_spec_needs_expanding)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	653 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	654 int at_end;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	655 STRINGLIB_CHAR c = 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	656 STRINGLIB_CHAR *start;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	657 int count;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	658 Py_ssize_t len;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	659 int markup_follows = 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	660
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	661 /* initialize all of the output variables */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	662 SubString_init(literal, NULL, 0);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	663 SubString_init(field_name, NULL, 0);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	664 SubString_init(format_spec, NULL, 0);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	665 *conversion = '\0';
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	666 *format_spec_needs_expanding = 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	667
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	668 /* No more input, end of iterator. This is the normal exit
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	669 path. */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	670 if (self->str.ptr >= self->str.end)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	671 return 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	672
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	673 start = self->str.ptr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	674
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	675 /* First read any literal text. Read until the end of string, an
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	676 escaped '{' or '}', or an unescaped '{'. In order to never
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	677 allocate memory and so I can just pass pointers around, if
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	678 there's an escaped '{' or '}' then we'll return the literal
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	679 including the brace, but no format object. The next time
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	680 through, we'll return the rest of the literal, skipping past
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	681 the second consecutive brace. */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	682 while (self->str.ptr < self->str.end) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	683 switch (c = *(self->str.ptr++)) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	684 case '{':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	685 case '}':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	686 markup_follows = 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	687 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	688 default:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	689 continue;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	690 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	691 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	692 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	693
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	694 at_end = self->str.ptr >= self->str.end;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	695 len = self->str.ptr - start;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	696
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	697 if ((c == '}') && (at_end \|\| (c != *self->str.ptr))) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	698 PyErr_SetString(PyExc_ValueError, "Single '}' encountered "
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	699 "in format string");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	700 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	701 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	702 if (at_end && c == '{') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	703 PyErr_SetString(PyExc_ValueError, "Single '{' encountered "
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	704 "in format string");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	705 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	706 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	707 if (!at_end) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	708 if (c == *self->str.ptr) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	709 /* escaped } or {, skip it in the input. there is no
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	710 markup object following us, just this literal text */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	711 self->str.ptr++;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	712 markup_follows = 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	713 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	714 else
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	715 len--;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	716 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	717
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	718 /* record the literal text */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	719 literal->ptr = start;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	720 literal->end = start + len;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	721
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	722 if (!markup_follows)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	723 return 2;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	724
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	725 /* this is markup, find the end of the string by counting nested
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	726 braces. note that this prohibits escaped braces, so that
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	727 format_specs cannot have braces in them. */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	728 count = 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	729
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	730 start = self->str.ptr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	731
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	732 /* we know we can't have a zero length string, so don't worry
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	733 about that case */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	734 while (self->str.ptr < self->str.end) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	735 switch (c = *(self->str.ptr++)) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	736 case '{':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	737 /* the format spec needs to be recursively expanded.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	738 this is an optimization, and not strictly needed */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	739 *format_spec_needs_expanding = 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	740 count++;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	741 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	742 case '}':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	743 count--;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	744 if (count <= 0) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	745 /* we're done. parse and get out */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	746 SubString s;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	747
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	748 SubString_init(&s, start, self->str.ptr - 1 - start);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	749 if (parse_field(&s, field_name, format_spec, conversion) == 0)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	750 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	751
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	752 /* a zero length field_name is an error */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	753 if (field_name->ptr == field_name->end) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	754 PyErr_SetString(PyExc_ValueError, "zero length field name "
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	755 "in format");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	756 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	757 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	758
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	759 /* success */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	760 return 2;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	761 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	762 break;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	763 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	764 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	765
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	766 /* end of string while searching for matching '}' */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	767 PyErr_SetString(PyExc_ValueError, "unmatched '{' in format");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	768 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	769 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	770
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	771
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	772 /* do the !r or !s conversion on obj */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	773 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	774 do_conversion(PyObject *obj, STRINGLIB_CHAR conversion)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	775 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	776 /* XXX in pre-3.0, do we need to convert this to unicode, since it
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	777 might have returned a string? */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	778 switch (conversion) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	779 case 'r':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	780 return PyObject_Repr(obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	781 case 's':
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	782 return STRINGLIB_TOSTR(obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	783 default:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	784 if (conversion > 32 && conversion < 127) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	785 /* It's the ASCII subrange; casting to char is safe
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	786 (assuming the execution character set is an ASCII
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	787 superset). */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	788 PyErr_Format(PyExc_ValueError,
46333 4e72489f16d0 Bug #2388: Fix gcc warnings when compiling with --enable-unicode=ucs4. Martin v. Löwis <martin@v.loewis.de> parents: 45507 diff changeset	789 "Unknown conversion specifier %c",
4e72489f16d0 Bug #2388: Fix gcc warnings when compiling with --enable-unicode=ucs4. Martin v. Löwis <martin@v.loewis.de> parents: 45507 diff changeset	790 (char)conversion);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	791 } else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	792 PyErr_Format(PyExc_ValueError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	793 "Unknown conversion specifier \\x%x",
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	794 (unsigned int)conversion);
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	795 return NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	796 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	797 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	798
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	799 /* given:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	800
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	801 {field_name!conversion:format_spec}
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	802
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	803 compute the result and write it to output.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	804 format_spec_needs_expanding is an optimization. if it's false,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	805 just output the string directly, otherwise recursively expand the
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	806 format_spec string. */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	807
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	808 static int
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	809 output_markup(SubString field_name, SubString format_spec,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	810 int format_spec_needs_expanding, STRINGLIB_CHAR conversion,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	811 OutputString output, PyObject args, PyObject *kwargs,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	812 int recursion_depth)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	813 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	814 PyObject *tmp = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	815 PyObject *fieldobj = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	816 SubString expanded_format_spec;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	817 SubString *actual_format_spec;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	818 int result = 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	819
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	820 /* convert field_name to an object */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	821 fieldobj = get_field_object(field_name, args, kwargs);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	822 if (fieldobj == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	823 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	824
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	825 if (conversion != '\0') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	826 tmp = do_conversion(fieldobj, conversion);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	827 if (tmp == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	828 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	829
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	830 /* do the assignment, transferring ownership: fieldobj = tmp */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	831 Py_DECREF(fieldobj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	832 fieldobj = tmp;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	833 tmp = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	834 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	835
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	836 /* if needed, recurively compute the format_spec */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	837 if (format_spec_needs_expanding) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	838 tmp = build_string(format_spec, args, kwargs, recursion_depth-1);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	839 if (tmp == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	840 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	841
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	842 /* note that in the case we're expanding the format string,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	843 tmp must be kept around until after the call to
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	844 render_field. */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	845 SubString_init(&expanded_format_spec,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	846 STRINGLIB_STR(tmp), STRINGLIB_LEN(tmp));
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	847 actual_format_spec = &expanded_format_spec;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	848 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	849 else
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	850 actual_format_spec = format_spec;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	851
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	852 if (render_field(fieldobj, actual_format_spec, output) == 0)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	853 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	854
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	855 result = 1;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	856
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	857 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	858 Py_XDECREF(fieldobj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	859 Py_XDECREF(tmp);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	860
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	861 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	862 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	863
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	864 /*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	865 do_markup is the top-level loop for the format() method. It
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	866 searches through the format string for escapes to markup codes, and
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	867 calls other functions to move non-markup text to the output,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	868 and to perform the markup to the output.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	869 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	870 static int
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	871 do_markup(SubString input, PyObject args, PyObject *kwargs,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	872 OutputString *output, int recursion_depth)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	873 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	874 MarkupIterator iter;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	875 int format_spec_needs_expanding;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	876 int result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	877 SubString literal;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	878 SubString field_name;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	879 SubString format_spec;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	880 STRINGLIB_CHAR conversion;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	881
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	882 MarkupIterator_init(&iter, input->ptr, input->end - input->ptr);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	883 while ((result = MarkupIterator_next(&iter, &literal, &field_name,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	884 &format_spec, &conversion,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	885 &format_spec_needs_expanding)) == 2) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	886 if (!output_data(output, literal.ptr, literal.end - literal.ptr))
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	887 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	888 if (field_name.ptr != field_name.end)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	889 if (!output_markup(&field_name, &format_spec,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	890 format_spec_needs_expanding, conversion, output,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	891 args, kwargs, recursion_depth))
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	892 return 0;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	893 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	894 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	895 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	896
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	897
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	898 /*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	899 build_string allocates the output string and then
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	900 calls do_markup to do the heavy lifting.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	901 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	902 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	903 build_string(SubString input, PyObject args, PyObject *kwargs,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	904 int recursion_depth)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	905 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	906 OutputString output;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	907 PyObject *result = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	908 Py_ssize_t count;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	909
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	910 output.obj = NULL; /* needed so cleanup code always works */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	911
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	912 /* check the recursion level */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	913 if (recursion_depth <= 0) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	914 PyErr_SetString(PyExc_ValueError,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	915 "Max string recursion exceeded");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	916 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	917 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	918
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	919 /* initial size is the length of the format string, plus the size
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	920 increment. seems like a reasonable default */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	921 if (!output_initialize(&output,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	922 input->end - input->ptr +
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	923 INITIAL_SIZE_INCREMENT))
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	924 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	925
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	926 if (!do_markup(input, args, kwargs, &output, recursion_depth)) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	927 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	928 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	929
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	930 count = output.ptr - STRINGLIB_STR(output.obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	931 if (STRINGLIB_RESIZE(&output.obj, count) < 0) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	932 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	933 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	934
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	935 /* transfer ownership to result */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	936 result = output.obj;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	937 output.obj = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	938
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	939 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	940 Py_XDECREF(output.obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	941 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	942 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	943
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	944 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	945 /********* main routine *********************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	946 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	947
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	948 /* this is the main entry point */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	949 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	950 do_string_format(PyObject self, PyObject args, PyObject *kwargs)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	951 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	952 SubString input;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	953
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	954 /* PEP 3101 says only 2 levels, so that
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	955 "{0:{1}}".format('abc', 's') # works
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	956 "{0:{1:{2}}}".format('abc', 's', '') # fails
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	957 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	958 int recursion_depth = 2;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	959
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	960 SubString_init(&input, STRINGLIB_STR(self), STRINGLIB_LEN(self));
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	961 return build_string(&input, args, kwargs, recursion_depth);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	962 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	963
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	964
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	965
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	966 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	967 /********* formatteriterator ****************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	968 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	969
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	970 /* This is used to implement string.Formatter.vparse(). It exists so
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	971 Formatter can share code with the built in unicode.format() method.
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	972 It's really just a wrapper around MarkupIterator that is callable
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	973 from Python. */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	974
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	975 typedef struct {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	976 PyObject_HEAD
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	977
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	978 STRINGLIB_OBJECT *str;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	979
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	980 MarkupIterator it_markup;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	981 } formatteriterobject;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	982
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	983 static void
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	984 formatteriter_dealloc(formatteriterobject *it)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	985 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	986 Py_XDECREF(it->str);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	987 PyObject_FREE(it);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	988 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	989
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	990 /* returns a tuple:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	991 (literal, field_name, format_spec, conversion)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	992
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	993 literal is any literal text to output. might be zero length
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	994 field_name is the string before the ':'. might be None
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	995 format_spec is the string after the ':'. mibht be None
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	996 conversion is either None, or the string after the '!'
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	997 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	998 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	999 formatteriter_next(formatteriterobject *it)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1000 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1001 SubString literal;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1002 SubString field_name;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1003 SubString format_spec;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1004 STRINGLIB_CHAR conversion;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1005 int format_spec_needs_expanding;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1006 int result = MarkupIterator_next(&it->it_markup, &literal, &field_name,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1007 &format_spec, &conversion,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1008 &format_spec_needs_expanding);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1009
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1010 /* all of the SubString objects point into it->str, so no
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1011 memory management needs to be done on them */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1012 assert(0 <= result && result <= 2);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1013 if (result == 0 \|\| result == 1)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1014 /* if 0, error has already been set, if 1, iterator is empty */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1015 return NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1016 else {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1017 PyObject *literal_str = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1018 PyObject *field_name_str = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1019 PyObject *format_spec_str = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1020 PyObject *conversion_str = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1021 PyObject *tuple = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1022 int has_field = field_name.ptr != field_name.end;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1023
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1024 literal_str = SubString_new_object(&literal);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1025 if (literal_str == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1026 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1027
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1028 field_name_str = SubString_new_object(&field_name);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1029 if (field_name_str == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1030 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1031
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1032 /* if field_name is non-zero length, return a string for
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1033 format_spec (even if zero length), else return None */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1034 format_spec_str = (has_field ?
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1035 SubString_new_object_or_empty :
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1036 SubString_new_object)(&format_spec);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1037 if (format_spec_str == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1038 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1039
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1040 /* if the conversion is not specified, return a None,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1041 otherwise create a one length string with the conversion
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1042 character */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1043 if (conversion == '\0') {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1044 conversion_str = Py_None;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1045 Py_INCREF(conversion_str);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1046 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1047 else
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1048 conversion_str = STRINGLIB_NEW(&conversion, 1);
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1049 if (conversion_str == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1050 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1051
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1052 tuple = PyTuple_Pack(4, literal_str, field_name_str, format_spec_str,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1053 conversion_str);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1054 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1055 Py_XDECREF(literal_str);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1056 Py_XDECREF(field_name_str);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1057 Py_XDECREF(format_spec_str);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1058 Py_XDECREF(conversion_str);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1059 return tuple;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1060 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1061 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1062
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1063 static PyMethodDef formatteriter_methods[] = {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1064 {NULL, NULL} /* sentinel */
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1065 };
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1066
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1067 static PyTypeObject PyFormatterIter_Type = {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1068 PyVarObject_HEAD_INIT(&PyType_Type, 0)
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1069 "formatteriterator", /* tp_name */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1070 sizeof(formatteriterobject), /* tp_basicsize */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1071 0, /* tp_itemsize */
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1072 /* methods */
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1073 (destructor)formatteriter_dealloc, /* tp_dealloc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1074 0, /* tp_print */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1075 0, /* tp_getattr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1076 0, /* tp_setattr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1077 0, /* tp_compare */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1078 0, /* tp_repr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1079 0, /* tp_as_number */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1080 0, /* tp_as_sequence */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1081 0, /* tp_as_mapping */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1082 0, /* tp_hash */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1083 0, /* tp_call */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1084 0, /* tp_str */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1085 PyObject_GenericGetAttr, /* tp_getattro */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1086 0, /* tp_setattro */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1087 0, /* tp_as_buffer */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1088 Py_TPFLAGS_DEFAULT, /* tp_flags */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1089 0, /* tp_doc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1090 0, /* tp_traverse */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1091 0, /* tp_clear */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1092 0, /* tp_richcompare */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1093 0, /* tp_weaklistoffset */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1094 PyObject_SelfIter, /* tp_iter */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1095 (iternextfunc)formatteriter_next, /* tp_iternext */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1096 formatteriter_methods, /* tp_methods */
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1097 0,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1098 };
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1099
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1100 /* unicode_formatter_parser is used to implement
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1101 string.Formatter.vformat. it parses a string and returns tuples
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1102 describing the parsed elements. It's a wrapper around
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1103 stringlib/string_format.h's MarkupIterator */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1104 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1105 formatter_parser(STRINGLIB_OBJECT *self)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1106 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1107 formatteriterobject *it;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1108
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1109 it = PyObject_New(formatteriterobject, &PyFormatterIter_Type);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1110 if (it == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1111 return NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1112
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1113 /* take ownership, give the object to the iterator */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1114 Py_INCREF(self);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1115 it->str = self;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1116
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1117 /* initialize the contained MarkupIterator */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1118 MarkupIterator_init(&it->it_markup,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1119 STRINGLIB_STR(self),
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1120 STRINGLIB_LEN(self));
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1121
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1122 return (PyObject *)it;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1123 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1124
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1125
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1126 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1127 /********* fieldnameiterator ****************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1128 /************************************************************************/
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1129
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1130
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1131 /* This is used to implement string.Formatter.vparse(). It parses the
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1132 field name into attribute and item values. It's a Python-callable
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1133 wrapper around FieldNameIterator */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1134
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1135 typedef struct {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1136 PyObject_HEAD
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1137
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1138 STRINGLIB_OBJECT *str;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1139
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1140 FieldNameIterator it_field;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1141 } fieldnameiterobject;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1142
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1143 static void
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1144 fieldnameiter_dealloc(fieldnameiterobject *it)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1145 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1146 Py_XDECREF(it->str);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1147 PyObject_FREE(it);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1148 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1149
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1150 /* returns a tuple:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1151 (is_attr, value)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1152 is_attr is true if we used attribute syntax (e.g., '.foo')
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1153 false if we used index syntax (e.g., '[foo]')
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1154 value is an integer or string
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1155 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1156 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1157 fieldnameiter_next(fieldnameiterobject *it)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1158 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1159 int result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1160 int is_attr;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1161 Py_ssize_t idx;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1162 SubString name;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1163
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1164 result = FieldNameIterator_next(&it->it_field, &is_attr,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1165 &idx, &name);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1166 if (result == 0 \|\| result == 1)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1167 /* if 0, error has already been set, if 1, iterator is empty */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1168 return NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1169 else {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1170 PyObject* result = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1171 PyObject* is_attr_obj = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1172 PyObject* obj = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1173
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1174 is_attr_obj = PyBool_FromLong(is_attr);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1175 if (is_attr_obj == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1176 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1177
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1178 /* either an integer or a string */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1179 if (idx != -1)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1180 obj = PyLong_FromSsize_t(idx);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1181 else
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1182 obj = SubString_new_object(&name);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1183 if (obj == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1184 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1185
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1186 /* return a tuple of values */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1187 result = PyTuple_Pack(2, is_attr_obj, obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1188
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1189 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1190 Py_XDECREF(is_attr_obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1191 Py_XDECREF(obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1192 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1193 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1194 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1195
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1196 static PyMethodDef fieldnameiter_methods[] = {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1197 {NULL, NULL} /* sentinel */
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1198 };
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1199
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1200 static PyTypeObject PyFieldNameIter_Type = {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1201 PyVarObject_HEAD_INIT(&PyType_Type, 0)
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1202 "fieldnameiterator", /* tp_name */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1203 sizeof(fieldnameiterobject), /* tp_basicsize */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1204 0, /* tp_itemsize */
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1205 /* methods */
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1206 (destructor)fieldnameiter_dealloc, /* tp_dealloc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1207 0, /* tp_print */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1208 0, /* tp_getattr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1209 0, /* tp_setattr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1210 0, /* tp_compare */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1211 0, /* tp_repr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1212 0, /* tp_as_number */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1213 0, /* tp_as_sequence */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1214 0, /* tp_as_mapping */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1215 0, /* tp_hash */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1216 0, /* tp_call */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1217 0, /* tp_str */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1218 PyObject_GenericGetAttr, /* tp_getattro */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1219 0, /* tp_setattro */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1220 0, /* tp_as_buffer */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1221 Py_TPFLAGS_DEFAULT, /* tp_flags */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1222 0, /* tp_doc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1223 0, /* tp_traverse */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1224 0, /* tp_clear */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1225 0, /* tp_richcompare */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1226 0, /* tp_weaklistoffset */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1227 PyObject_SelfIter, /* tp_iter */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1228 (iternextfunc)fieldnameiter_next, /* tp_iternext */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 54268 diff changeset	1229 fieldnameiter_methods, /* tp_methods */
45381 b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1230 0};
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1231
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1232 /* unicode_formatter_field_name_split is used to implement
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1233 string.Formatter.vformat. it takes an PEP 3101 "field name", and
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1234 returns a tuple of (first, rest): "first", the part before the
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1235 first '.' or '['; and "rest", an iterator for the rest of the field
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1236 name. it's a wrapper around stringlib/string_format.h's
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1237 field_name_split. The iterator it returns is a
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1238 FieldNameIterator */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1239 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1240 formatter_field_name_split(STRINGLIB_OBJECT *self)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1241 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1242 SubString first;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1243 Py_ssize_t first_idx;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1244 fieldnameiterobject *it;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1245
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1246 PyObject *first_obj = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1247 PyObject *result = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1248
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1249 it = PyObject_New(fieldnameiterobject, &PyFieldNameIter_Type);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1250 if (it == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1251 return NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1252
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1253 /* take ownership, give the object to the iterator. this is
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1254 just to keep the field_name alive */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1255 Py_INCREF(self);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1256 it->str = self;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1257
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1258 if (!field_name_split(STRINGLIB_STR(self),
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1259 STRINGLIB_LEN(self),
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1260 &first, &first_idx, &it->it_field))
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1261 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1262
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1263 /* first becomes an integer, if possible; else a string */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1264 if (first_idx != -1)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1265 first_obj = PyLong_FromSsize_t(first_idx);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1266 else
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1267 /* convert "first" into a string object */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1268 first_obj = SubString_new_object(&first);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1269 if (first_obj == NULL)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1270 goto done;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1271
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1272 /* return a tuple of values */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1273 result = PyTuple_Pack(2, first_obj, it);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1274
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1275 done:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1276 Py_XDECREF(it);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1277 Py_XDECREF(first_obj);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1278 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k. Eric Smith <eric@trueblade.com> parents: diff changeset	1279 }

Mercurial > cpython-lru_cache-weakref

annotate Objects/stringlib/string_format.h @ 70303:2d760cb20e1e 2.6