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70 lines
2.0 KiB
70 lines
2.0 KiB
#ifndef Py_CSTRINGIO_H |
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#define Py_CSTRINGIO_H |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* |
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This header provides access to cStringIO objects from C. |
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Functions are provided for calling cStringIO objects and |
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macros are provided for testing whether you have cStringIO |
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objects. |
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Before calling any of the functions or macros, you must initialize |
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the routines with: |
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PycString_IMPORT |
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This would typically be done in your init function. |
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*/ |
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#define PycString_IMPORT \ |
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PycStringIO = (struct PycStringIO_CAPI*)PyCObject_Import("cStringIO", \ |
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"cStringIO_CAPI") |
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/* Basic functions to manipulate cStringIO objects from C */ |
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static struct PycStringIO_CAPI { |
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/* Read a string from an input object. If the last argument |
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is -1, the remainder will be read. |
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*/ |
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int(*cread)(PyObject *, char **, int); |
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/* Read a line from an input object. Returns the length of the read |
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line as an int and a pointer inside the object buffer as char** (so |
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the caller doesn't have to provide its own buffer as destination). |
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*/ |
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int(*creadline)(PyObject *, char **); |
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/* Write a string to an output object*/ |
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int(*cwrite)(PyObject *, char *, int); |
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/* Get the output object as a Python string (returns new reference). */ |
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PyObject *(*cgetvalue)(PyObject *); |
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/* Create a new output object */ |
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PyObject *(*NewOutput)(int); |
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/* Create an input object from a Python string |
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(copies the Python string reference). |
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*/ |
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PyObject *(*NewInput)(PyObject *); |
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/* The Python types for cStringIO input and output objects. |
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Note that you can do input on an output object. |
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*/ |
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PyTypeObject *InputType, *OutputType; |
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} *PycStringIO; |
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/* These can be used to test if you have one */ |
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#define PycStringIO_InputCheck(O) \ |
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((O)->ob_type==PycStringIO->InputType) |
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#define PycStringIO_OutputCheck(O) \ |
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((O)->ob_type==PycStringIO->OutputType) |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* !Py_CSTRINGIO_H */
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