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/*
* libxslt.c: this modules implements the main part of the glue of the
* libxslt library and the Python interpreter. It provides the
* entry points where an automatically generated stub is either
* unpractical or would not match cleanly the Python model.
*
* See Copyright for the status of this software.
*
* daniel@veillard.com
*/
#include <Python.h>
#include <libxml/xmlmemory.h>
#include <libxml/tree.h>
#include <libxml/xpath.h>
#include "libxslt_wrap.h"
#include "libxslt-py.h"
/* #define DEBUG */
/* #define DEBUG_XPATH */
/* #define DEBUG_ERROR */
/* #define DEBUG_MEMORY */
/************************************************************************
* *
* Memory debug interface *
* *
************************************************************************/
extern void xmlMemFree(void *ptr);
extern void *xmlMemMalloc(size_t size);
extern void *xmlMemRealloc(void *ptr,size_t size);
extern char *xmlMemoryStrdup(const char *str);
static int libxsltMemoryDebugActivated = 0;
static long libxsltMemoryAllocatedBase = 0;
static int libxsltMemoryDebug = 0;
static xmlFreeFunc freeFunc = NULL;
static xmlMallocFunc mallocFunc = NULL;
static xmlReallocFunc reallocFunc = NULL;
static xmlStrdupFunc strdupFunc = NULL;
PyObject *
libxslt_xmlDebugMemory(PyObject *self, PyObject *args) {
int activate;
PyObject *py_retval;
long ret;
if (!PyArg_ParseTuple(args, "i:xmlDebugMemory", &activate))
return(NULL);
#ifdef DEBUG_MEMORY
printf("libxslt_xmlDebugMemory(%d) called\n", activate);
#endif
if (activate != 0) {
if (libxsltMemoryDebug == 0) {
/*
* First initialize the library and grab the old memory handlers
* and switch the library to memory debugging
*/
xmlMemGet((xmlFreeFunc *) &freeFunc,
(xmlMallocFunc *)&mallocFunc,
(xmlReallocFunc *)&reallocFunc,
(xmlStrdupFunc *) &strdupFunc);
if ((freeFunc == xmlMemFree) && (mallocFunc == xmlMemMalloc) &&
(reallocFunc == xmlMemRealloc) &&
(strdupFunc == xmlMemoryStrdup)) {
libxsltMemoryAllocatedBase = xmlMemUsed();
} else {
ret = (long) xmlMemSetup(xmlMemFree, xmlMemMalloc,
xmlMemRealloc, xmlMemoryStrdup);
if (ret < 0)
goto error;
libxsltMemoryAllocatedBase = xmlMemUsed();
}
xmlInitParser();
ret = 0;
} else if (libxsltMemoryDebugActivated == 0) {
libxsltMemoryAllocatedBase = xmlMemUsed();
ret = 0;
} else {
ret = xmlMemUsed() - libxsltMemoryAllocatedBase;
}
libxsltMemoryDebug = 1;
libxsltMemoryDebugActivated = 1;
} else {
if (libxsltMemoryDebugActivated == 1)
ret = xmlMemUsed() - libxsltMemoryAllocatedBase;
else
ret = 0;
libxsltMemoryDebugActivated = 0;
}
error:
py_retval = libxml_longWrap(ret);
return(py_retval);
}
PyObject *
libxslt_xmlDumpMemory(PyObject *self, PyObject *args) {
if (libxsltMemoryDebug != 0)
xmlMemoryDump();
Py_INCREF(Py_None);
return(Py_None);
}
/************************************************************************
* *
* The registration stuff *
* *
************************************************************************/
static PyMethodDef libxsltMethods[] = {
#include "libxslt-export.c"
};
void init_libxslt(void) {
PyObject *m;
m = Py_InitModule("_libxslt", libxsltMethods);
/* libxslt_xmlErrorInitialize(); */
}
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