f3c24eff33
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@7860 626c5289-ae23-0410-ae9c-e8d60b6d4f22
75 lines
2 KiB
Text
75 lines
2 KiB
Text
/* ------------------------------------------------------------
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* utility methods for char strings
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* ------------------------------------------------------------ */
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%fragment("SWIG_AsCharPtrAndSize","header") {
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SWIGINTERN int
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SWIG_AsCharPtrAndSize(PyObject *obj, char** cptr, size_t* psize, int *alloc)
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{
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static swig_type_info* pchar_info = 0;
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char* vptr = 0;
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if (!pchar_info) pchar_info = SWIG_TypeQuery("char *");
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if (SWIG_ConvertPtr(obj, (void**)&vptr, pchar_info, 0) == SWIG_OK) {
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if (cptr) *cptr = vptr;
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if (psize) *psize = vptr ? (strlen(vptr) + 1) : 0;
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if (alloc) *alloc = SWIG_OLDOBJ;
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return SWIG_OK;
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} else {
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if (PyString_Check(obj)) {
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char *cstr; int len;
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PyString_AsStringAndSize(obj, &cstr, &len);
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if (cptr) {
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if (alloc) {
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/*
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In python the user should not be able to modify the inner
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string representation, so, by default we return a copy of
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the buffer, as in the wstring case.
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But, if you use the -DSWIG_PYTHON_UNSAFE_CSTR at
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compilation time, you will get, at your own risk, the
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inner string pointer instead, when possible.
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*/
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#ifndef SWIG_PYTHON_UNSAFE_CSTR
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if (*alloc != SWIG_OLDOBJ)
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#else
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if (*alloc == SWIG_NEWOBJ)
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#endif
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{
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*cptr = %new_copy_array(cstr, len + 1, char);
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*alloc = SWIG_NEWOBJ;
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}
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else {
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*cptr = PyString_AsString(obj);
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*alloc = SWIG_OLDOBJ;
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}
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} else {
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*cptr = PyString_AsString(obj);
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}
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}
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if (psize) *psize = len + 1;
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return SWIG_OK;
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}
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}
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return SWIG_TypeError;
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}
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}
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%fragment("SWIG_FromCharPtrAndSize","header") {
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SWIGINTERNINLINE PyObject *
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SWIG_FromCharPtrAndSize(const char* carray, size_t size)
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{
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if (carray) {
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if (size > INT_MAX) {
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return SWIG_NewPointerObj(%const_cast(carray,char *),
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SWIG_TypeQuery("char *"), 0);
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} else {
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return PyString_FromStringAndSize(carray, %numeric_cast(size,int));
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}
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} else {
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Py_INCREF(Py_None);
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return Py_None;
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}
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}
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}
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