Mercurial > cpython-lru_cache-weakref

annotate Include/cStringIO.h @ 24042:63fbbed10714 legacy-trunk

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Simplify HTTPSConnection constructor. See discussion in SF bug 458463.
author Jeremy Hylton <jeremy@alum.mit.edu>
date Fri, 28 Jun 2002 23:38:14 +0000
parents f1af8ad11000
children ca20be24381f
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1 #ifndef CSTRINGIO_INCLUDED
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2 #define CSTRINGIO_INCLUDED
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3 #ifdef __cplusplus
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4 extern "C" {
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5 #endif
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6 /*
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7
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8 This header provides access to cStringIO objects from C.
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9 Functions are provided for calling cStringIO objects and
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10 macros are provided for testing whether you have cStringIO
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11 objects.
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12
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13 Before calling any of the functions or macros, you must initialize
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14 the routines with:
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15
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16 PycString_IMPORT
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17
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18 This would typically be done in your init function.
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19
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20 */
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21
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22 /* Basic functions to manipulate cStringIO objects from C */
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23
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24 static struct PycStringIO_CAPI {
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25
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26 /* Read a string. If the last argument is -1, the remainder will be read. */
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27 int(*cread)(PyObject *, char **, int);
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28
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29 /* Read a line */
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30 int(*creadline)(PyObject *, char **);
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31
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32 /* Write a string */
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33 int(*cwrite)(PyObject *, char *, int);
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34
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35 /* Get the cStringIO object as a Python string */
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36 PyObject *(*cgetvalue)(PyObject *);
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37
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38 /* Create a new output object */
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39 PyObject *(*NewOutput)(int);
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41 /* Create an input object from a Python string */
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42 PyObject *(*NewInput)(PyObject *);
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43
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44 /* The Python types for cStringIO input and output objects.
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45 Note that you can do input on an output object.
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46 */
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47 PyTypeObject *InputType, *OutputType;
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48
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49 } * PycStringIO = NULL;
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50
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51 /* These can be used to test if you have one */
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52 #define PycStringIO_InputCheck(O) \
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53 ((O)->ob_type==PycStringIO->InputType)
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54 #define PycStringIO_OutputCheck(O) \
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55 ((O)->ob_type==PycStringIO->OutputType)
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56
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57 static void *
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58 xxxPyCObject_Import(char *module_name, char *name)
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59 {
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60 PyObject *m, *c;
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61 void *r=NULL;
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62
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63 if((m=PyImport_ImportModule(module_name)))
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64 {
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65 if((c=PyObject_GetAttrString(m,name)))
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66 {
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67 r=PyCObject_AsVoidPtr(c);
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68 Py_DECREF(c);
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69 }
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70 Py_DECREF(m);
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71 }
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72
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73 return r;
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74 }
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76 #define PycString_IMPORT \
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77 PycStringIO=(struct PycStringIO_CAPI*)xxxPyCObject_Import("cStringIO", "cStringIO_CAPI")
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79 #ifdef __cplusplus
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80 }
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81 #endif
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82 #endif /* CSTRINGIO_INCLUDED */