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libxml2/python/libxml.c
William M. Brack 95af594b0b added a small hack to fix interference between my fixes for bugs 132585 
* xinclude.c: added a small hack to fix interference between
  my fixes for bugs 132585 and 132588.
* python/libxml.c: fixed problem with serialization of namespace
  reported on the mailing list by Anthony Carrico
2004-02-08 04:12:49 +00:00

2929 lines
82 KiB
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/*
* libxml.c: this modules implements the main part of the glue of the
* libxml2 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.
*
* If compiled with MERGED_MODULES, the entry point will be used to
* initialize both the libxml2 and the libxslt wrappers
*
* See Copyright for the status of this software.
*
* daniel@veillard.com
*/
#include <Python.h>
#include <fileobject.h>
/* #include "config.h" */
#include <libxml/xmlmemory.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <libxml/xpath.h>
#include <libxml/xmlerror.h>
#include <libxml/xpathInternals.h>
#include <libxml/xmlmemory.h>
#include <libxml/xmlIO.h>
#include "libxml_wrap.h"
#include "libxml2-py.h"
#if (defined(_MSC_VER) || defined(__MINGW32__)) && !defined(vsnprintf)
#define vsnprintf(b,c,f,a) _vsnprintf(b,c,f,a)
#elif defined(WITH_TRIO)
#include "trio.h"
#define vsnprintf trio_vsnprintf
#endif
/* #define DEBUG */
/* #define DEBUG_SAX */
/* #define DEBUG_XPATH */
/* #define DEBUG_ERROR */
/* #define DEBUG_MEMORY */
/* #define DEBUG_FILES */
/* #define DEBUG_LOADER */
void initlibxml2mod(void);
/**
* TODO:
*
* macro to flag unimplemented blocks
*/
#define TODO \
xmlGenericError(xmlGenericErrorContext, \
"Unimplemented block at %s:%d\n", \
__FILE__, __LINE__);
/************************************************************************
* *
* Memory debug interface *
* *
************************************************************************/
#if 0
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);
#endif
static int libxmlMemoryDebugActivated = 0;
static long libxmlMemoryAllocatedBase = 0;
static int libxmlMemoryDebug = 0;
static xmlFreeFunc freeFunc = NULL;
static xmlMallocFunc mallocFunc = NULL;
static xmlReallocFunc reallocFunc = NULL;
static xmlStrdupFunc strdupFunc = NULL;
PyObject *
libxml_xmlDebugMemory(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
int activate;
PyObject *py_retval;
long ret;
if (!PyArg_ParseTuple(args, (char *) "i:xmlDebugMemory", &activate))
return (NULL);
#ifdef DEBUG_MEMORY
printf("libxml_xmlDebugMemory(%d) called\n", activate);
#endif
if (activate != 0) {
if (libxmlMemoryDebug == 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)) {
libxmlMemoryAllocatedBase = xmlMemUsed();
} else {
ret = (long) xmlMemSetup(xmlMemFree, xmlMemMalloc,
xmlMemRealloc, xmlMemoryStrdup);
if (ret < 0)
goto error;
libxmlMemoryAllocatedBase = xmlMemUsed();
}
xmlInitParser();
ret = 0;
} else if (libxmlMemoryDebugActivated == 0) {
libxmlMemoryAllocatedBase = xmlMemUsed();
ret = 0;
} else {
ret = xmlMemUsed() - libxmlMemoryAllocatedBase;
}
libxmlMemoryDebug = 1;
libxmlMemoryDebugActivated = 1;
} else {
if (libxmlMemoryDebugActivated == 1)
ret = xmlMemUsed() - libxmlMemoryAllocatedBase;
else
ret = 0;
libxmlMemoryDebugActivated = 0;
}
error:
py_retval = libxml_longWrap(ret);
return (py_retval);
}
PyObject *
libxml_xmlDumpMemory(ATTRIBUTE_UNUSED PyObject * self,
ATTRIBUTE_UNUSED PyObject * args)
{
if (libxmlMemoryDebug != 0)
xmlMemoryDump();
Py_INCREF(Py_None);
return (Py_None);
}
/************************************************************************
* *
* Handling Python FILE I/O at the C level *
* The raw I/O attack diectly the File objects, while the *
* other routines address the ioWrapper instance instead *
* *
************************************************************************/
/**
* xmlPythonFileCloseUnref:
* @context: the I/O context
*
* Close an I/O channel
*/
static int
xmlPythonFileCloseRaw (void * context) {
PyObject *file, *ret;
#ifdef DEBUG_FILES
printf("xmlPythonFileCloseUnref\n");
#endif
file = (PyObject *) context;
if (file == NULL) return(-1);
ret = PyEval_CallMethod(file, (char *) "close", (char *) "()");
if (ret != NULL) {
Py_DECREF(ret);
}
Py_DECREF(file);
return(0);
}
/**
* xmlPythonFileReadRaw:
* @context: the I/O context
* @buffer: where to drop data
* @len: number of bytes to write
*
* Read @len bytes to @buffer from the Python file in the I/O channel
*
* Returns the number of bytes read
*/
static int
xmlPythonFileReadRaw (void * context, char * buffer, int len) {
PyObject *file;
PyObject *ret;
int lenread = -1;
char *data;
#ifdef DEBUG_FILES
printf("xmlPythonFileReadRaw: %d\n", len);
#endif
file = (PyObject *) context;
if (file == NULL) return(-1);
ret = PyEval_CallMethod(file, (char *) "read", (char *) "(i)", len);
if (ret == NULL) {
printf("xmlPythonFileReadRaw: result is NULL\n");
return(-1);
} else if (PyString_Check(ret)) {
lenread = PyString_Size(ret);
data = PyString_AsString(ret);
if (lenread > len)
memcpy(buffer, data, len);
else
memcpy(buffer, data, lenread);
Py_DECREF(ret);
} else {
printf("xmlPythonFileReadRaw: result is not a String\n");
Py_DECREF(ret);
}
return(lenread);
}
/**
* xmlPythonFileRead:
* @context: the I/O context
* @buffer: where to drop data
* @len: number of bytes to write
*
* Read @len bytes to @buffer from the I/O channel.
*
* Returns the number of bytes read
*/
static int
xmlPythonFileRead (void * context, char * buffer, int len) {
PyObject *file;
PyObject *ret;
int lenread = -1;
char *data;
#ifdef DEBUG_FILES
printf("xmlPythonFileRead: %d\n", len);
#endif
file = (PyObject *) context;
if (file == NULL) return(-1);
ret = PyEval_CallMethod(file, (char *) "io_read", (char *) "(i)", len);
if (ret == NULL) {
printf("xmlPythonFileRead: result is NULL\n");
return(-1);
} else if (PyString_Check(ret)) {
lenread = PyString_Size(ret);
data = PyString_AsString(ret);
if (lenread > len)
memcpy(buffer, data, len);
else
memcpy(buffer, data, lenread);
Py_DECREF(ret);
} else {
printf("xmlPythonFileRead: result is not a String\n");
Py_DECREF(ret);
}
return(lenread);
}
/**
* xmlFileWrite:
* @context: the I/O context
* @buffer: where to drop data
* @len: number of bytes to write
*
* Write @len bytes from @buffer to the I/O channel.
*
* Returns the number of bytes written
*/
static int
xmlPythonFileWrite (void * context, const char * buffer, int len) {
PyObject *file;
PyObject *string;
PyObject *ret = NULL;
int written = -1;
#ifdef DEBUG_FILES
printf("xmlPythonFileWrite: %d\n", len);
#endif
file = (PyObject *) context;
if (file == NULL) return(-1);
string = PyString_FromStringAndSize(buffer, len);
if (string == NULL) return(-1);
if (PyObject_HasAttrString(file, (char *) "io_write")) {
ret = PyEval_CallMethod(file, (char *) "io_write", (char *) "(O)",
string);
} else if (PyObject_HasAttrString(file, (char *) "write")) {
ret = PyEval_CallMethod(file, (char *) "write", (char *) "(O)",
string);
}
Py_DECREF(string);
if (ret == NULL) {
printf("xmlPythonFileWrite: result is NULL\n");
return(-1);
} else if (PyInt_Check(ret)) {
written = (int) PyInt_AsLong(ret);
Py_DECREF(ret);
} else if (ret == Py_None) {
written = len;
Py_DECREF(ret);
} else {
printf("xmlPythonFileWrite: result is not an Int nor None\n");
Py_DECREF(ret);
}
return(written);
}
/**
* xmlPythonFileClose:
* @context: the I/O context
*
* Close an I/O channel
*/
static int
xmlPythonFileClose (void * context) {
PyObject *file, *ret = NULL;
#ifdef DEBUG_FILES
printf("xmlPythonFileClose\n");
#endif
file = (PyObject *) context;
if (file == NULL) return(-1);
if (PyObject_HasAttrString(file, (char *) "io_close")) {
ret = PyEval_CallMethod(file, (char *) "io_close", (char *) "()");
} else if (PyObject_HasAttrString(file, (char *) "flush")) {
ret = PyEval_CallMethod(file, (char *) "flush", (char *) "()");
}
if (ret != NULL) {
Py_DECREF(ret);
}
return(0);
}
#ifdef LIBXML_OUTPUT_ENABLED
/**
* xmlOutputBufferCreatePythonFile:
* @file: a PyFile_Type
* @encoder: the encoding converter or NULL
*
* Create a buffered output for the progressive saving to a PyFile_Type
* buffered C I/O
*
* Returns the new parser output or NULL
*/
static xmlOutputBufferPtr
xmlOutputBufferCreatePythonFile(PyObject *file,
xmlCharEncodingHandlerPtr encoder) {
xmlOutputBufferPtr ret;
if (file == NULL) return(NULL);
ret = xmlAllocOutputBuffer(encoder);
if (ret != NULL) {
ret->context = file;
/* Py_INCREF(file); */
ret->writecallback = xmlPythonFileWrite;
ret->closecallback = xmlPythonFileClose;
}
return(ret);
}
PyObject *
libxml_xmlCreateOutputBuffer(ATTRIBUTE_UNUSED PyObject *self, PyObject *args) {
PyObject *py_retval;
PyObject *file;
xmlChar *encoding;
xmlCharEncodingHandlerPtr handler = NULL;
xmlOutputBufferPtr buffer;
if (!PyArg_ParseTuple(args, (char *)"Oz:xmlOutputBufferCreate",
&file, &encoding))
return(NULL);
if ((encoding != NULL) && (encoding[0] != 0)) {
handler = xmlFindCharEncodingHandler((const char *) encoding);
}
buffer = xmlOutputBufferCreatePythonFile(file, handler);
if (buffer == NULL)
printf("libxml_xmlCreateOutputBuffer: buffer == NULL\n");
py_retval = libxml_xmlOutputBufferPtrWrap(buffer);
return(py_retval);
}
/**
* libxml_outputBufferGetPythonFile:
* @buffer: the I/O buffer
*
* read the Python I/O from the CObject
*
* Returns the new parser output or NULL
*/
static PyObject *
libxml_outputBufferGetPythonFile(ATTRIBUTE_UNUSED PyObject *self,
PyObject *args) {
PyObject *buffer;
PyObject *file;
xmlOutputBufferPtr obj;
if (!PyArg_ParseTuple(args, (char *)"O:outputBufferGetPythonFile",
&buffer))
return(NULL);
obj = PyoutputBuffer_Get(buffer);
if (obj == NULL) {
fprintf(stderr,
"outputBufferGetPythonFile: obj == NULL\n");
Py_INCREF(Py_None);
return(Py_None);
}
if (obj->closecallback != xmlPythonFileClose) {
fprintf(stderr,
"outputBufferGetPythonFile: not a python file wrapper\n");
Py_INCREF(Py_None);
return(Py_None);
}
file = (PyObject *) obj->context;
if (file == NULL) {
Py_INCREF(Py_None);
return(Py_None);
}
Py_INCREF(file);
return(file);
}
PyObject *
libxml_xmlOutputBufferClose(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
PyObject *py_retval;
int c_retval;
xmlOutputBufferPtr out;
PyObject *pyobj_out;
if (!PyArg_ParseTuple(args, (char *)"O:xmlOutputBufferClose", &pyobj_out))
return(NULL);
out = (xmlOutputBufferPtr) PyoutputBuffer_Get(pyobj_out);
c_retval = xmlOutputBufferClose(out);
py_retval = libxml_intWrap((int) c_retval);
return(py_retval);
}
PyObject *
libxml_xmlOutputBufferFlush(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
PyObject *py_retval;
int c_retval;
xmlOutputBufferPtr out;
PyObject *pyobj_out;
if (!PyArg_ParseTuple(args, (char *)"O:xmlOutputBufferFlush", &pyobj_out))
return(NULL);
out = (xmlOutputBufferPtr) PyoutputBuffer_Get(pyobj_out);
c_retval = xmlOutputBufferFlush(out);
py_retval = libxml_intWrap((int) c_retval);
return(py_retval);
}
#endif /* LIBXML_OUTPUT_ENABLED */
/**
* xmlParserInputBufferCreatePythonFile:
* @file: a PyFile_Type
* @encoder: the encoding converter or NULL
*
* Create a buffered output for the progressive saving to a PyFile_Type
* buffered C I/O
*
* Returns the new parser output or NULL
*/
static xmlParserInputBufferPtr
xmlParserInputBufferCreatePythonFile(PyObject *file,
xmlCharEncoding encoding) {
xmlParserInputBufferPtr ret;
if (file == NULL) return(NULL);
ret = xmlAllocParserInputBuffer(encoding);
if (ret != NULL) {
ret->context = file;
/* Py_INCREF(file); */
ret->readcallback = xmlPythonFileRead;
ret->closecallback = xmlPythonFileClose;
}
return(ret);
}
PyObject *
libxml_xmlCreateInputBuffer(ATTRIBUTE_UNUSED PyObject *self, PyObject *args) {
PyObject *py_retval;
PyObject *file;
xmlChar *encoding;
xmlCharEncoding enc = XML_CHAR_ENCODING_NONE;
xmlParserInputBufferPtr buffer;
if (!PyArg_ParseTuple(args, (char *)"Oz:xmlParserInputBufferCreate",
&file, &encoding))
return(NULL);
if ((encoding != NULL) && (encoding[0] != 0)) {
enc = xmlParseCharEncoding((const char *) encoding);
}
buffer = xmlParserInputBufferCreatePythonFile(file, enc);
if (buffer == NULL)
printf("libxml_xmlParserInputBufferCreate: buffer == NULL\n");
py_retval = libxml_xmlParserInputBufferPtrWrap(buffer);
return(py_retval);
}
/************************************************************************
* *
* Providing the resolver at the Python level *
* *
************************************************************************/
static xmlExternalEntityLoader defaultExternalEntityLoader = NULL;
static PyObject *pythonExternalEntityLoaderObjext;
static xmlParserInputPtr
pythonExternalEntityLoader(const char *URL, const char *ID,
xmlParserCtxtPtr ctxt) {
xmlParserInputPtr result = NULL;
if (pythonExternalEntityLoaderObjext != NULL) {
PyObject *ret;
PyObject *ctxtobj;
ctxtobj = libxml_xmlParserCtxtPtrWrap(ctxt);
#ifdef DEBUG_LOADER
printf("pythonExternalEntityLoader: ready to call\n");
#endif
ret = PyObject_CallFunction(pythonExternalEntityLoaderObjext,
(char *) "(ssO)", URL, ID, ctxtobj);
Py_XDECREF(ctxtobj);
#ifdef DEBUG_LOADER
printf("pythonExternalEntityLoader: result ");
PyObject_Print(ret, stderr, 0);
printf("\n");
#endif
if (ret != NULL) {
if (PyObject_HasAttrString(ret, (char *) "read")) {
xmlParserInputBufferPtr buf;
buf = xmlAllocParserInputBuffer(XML_CHAR_ENCODING_NONE);
if (buf != NULL) {
buf->context = ret;
buf->readcallback = xmlPythonFileReadRaw;
buf->closecallback = xmlPythonFileCloseRaw;
result = xmlNewIOInputStream(ctxt, buf,
XML_CHAR_ENCODING_NONE);
}
} else {
printf("pythonExternalEntityLoader: can't read\n");
}
if (result == NULL) {
Py_DECREF(ret);
} else if (URL != NULL) {
result->filename = (char *) xmlStrdup((const xmlChar *)URL);
result->directory = xmlParserGetDirectory((const char *) URL);
}
}
}
if ((result == NULL) && (defaultExternalEntityLoader != NULL)) {
result = defaultExternalEntityLoader(URL, ID, ctxt);
}
return(result);
}
PyObject *
libxml_xmlSetEntityLoader(ATTRIBUTE_UNUSED PyObject *self, PyObject *args) {
PyObject *py_retval;
PyObject *loader;
if (!PyArg_ParseTuple(args, (char *)"O:libxml_xmlSetEntityLoader",
&loader))
return(NULL);
#ifdef DEBUG_LOADER
printf("libxml_xmlSetEntityLoader\n");
#endif
if (defaultExternalEntityLoader == NULL)
defaultExternalEntityLoader = xmlGetExternalEntityLoader();
pythonExternalEntityLoaderObjext = loader;
xmlSetExternalEntityLoader(pythonExternalEntityLoader);
py_retval = PyInt_FromLong(0);
return(py_retval);
}
/************************************************************************
* *
* Handling SAX/xmllib/sgmlop callback interfaces *
* *
************************************************************************/
static void
pythonStartElement(void *user_data, const xmlChar * name,
const xmlChar ** attrs)
{
int i;
PyObject *handler;
PyObject *dict;
PyObject *attrname;
PyObject *attrvalue;
PyObject *result = NULL;
int type = 0;
#ifdef DEBUG_SAX
printf("pythonStartElement(%s) called\n", name);
#endif
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "startElement"))
type = 1;
else if (PyObject_HasAttrString(handler, (char *) "start"))
type = 2;
if (type != 0) {
/*
* the xmllib interface always generate a dictionnary,
* possibly empty
*/
if ((attrs == NULL) && (type == 1)) {
Py_XINCREF(Py_None);
dict = Py_None;
} else if (attrs == NULL) {
dict = PyDict_New();
} else {
dict = PyDict_New();
for (i = 0; attrs[i] != NULL; i++) {
attrname = PyString_FromString((char *) attrs[i]);
i++;
if (attrs[i] != NULL) {
attrvalue = PyString_FromString((char *) attrs[i]);
} else {
Py_XINCREF(Py_None);
attrvalue = Py_None;
}
PyDict_SetItem(dict, attrname, attrvalue);
}
}
if (type == 1)
result = PyObject_CallMethod(handler, (char *) "startElement",
(char *) "sO", name, dict);
else if (type == 2)
result = PyObject_CallMethod(handler, (char *) "start",
(char *) "sO", name, dict);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(dict);
Py_XDECREF(result);
}
}
static void
pythonStartDocument(void *user_data)
{
PyObject *handler;
PyObject *result;
#ifdef DEBUG_SAX
printf("pythonStartDocument() called\n");
#endif
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "startDocument")) {
result =
PyObject_CallMethod(handler, (char *) "startDocument", NULL);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
}
}
static void
pythonEndDocument(void *user_data)
{
PyObject *handler;
PyObject *result;
#ifdef DEBUG_SAX
printf("pythonEndDocument() called\n");
#endif
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "endDocument")) {
result =
PyObject_CallMethod(handler, (char *) "endDocument", NULL);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
}
/*
* The reference to the handler is released there
*/
Py_XDECREF(handler);
}
static void
pythonEndElement(void *user_data, const xmlChar * name)
{
PyObject *handler;
PyObject *result;
#ifdef DEBUG_SAX
printf("pythonEndElement(%s) called\n", name);
#endif
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "endElement")) {
result = PyObject_CallMethod(handler, (char *) "endElement",
(char *) "s", name);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
} else if (PyObject_HasAttrString(handler, (char *) "end")) {
result = PyObject_CallMethod(handler, (char *) "end",
(char *) "s", name);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
}
}
static void
pythonReference(void *user_data, const xmlChar * name)
{
PyObject *handler;
PyObject *result;
#ifdef DEBUG_SAX
printf("pythonReference(%s) called\n", name);
#endif
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "reference")) {
result = PyObject_CallMethod(handler, (char *) "reference",
(char *) "s", name);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
}
}
static void
pythonCharacters(void *user_data, const xmlChar * ch, int len)
{
PyObject *handler;
PyObject *result = NULL;
int type = 0;
#ifdef DEBUG_SAX
printf("pythonCharacters(%s, %d) called\n", ch, len);
#endif
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "characters"))
type = 1;
else if (PyObject_HasAttrString(handler, (char *) "data"))
type = 2;
if (type != 0) {
if (type == 1)
result = PyObject_CallMethod(handler, (char *) "characters",
(char *) "s#", ch, len);
else if (type == 2)
result = PyObject_CallMethod(handler, (char *) "data",
(char *) "s#", ch, len);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
}
}
static void
pythonIgnorableWhitespace(void *user_data, const xmlChar * ch, int len)
{
PyObject *handler;
PyObject *result = NULL;
int type = 0;
#ifdef DEBUG_SAX
printf("pythonIgnorableWhitespace(%s, %d) called\n", ch, len);
#endif
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "ignorableWhitespace"))
type = 1;
else if (PyObject_HasAttrString(handler, (char *) "data"))
type = 2;
if (type != 0) {
if (type == 1)
result =
PyObject_CallMethod(handler,
(char *) "ignorableWhitespace",
(char *) "s#", ch, len);
else if (type == 2)
result =
PyObject_CallMethod(handler, (char *) "data",
(char *) "s#", ch, len);
Py_XDECREF(result);
}
}
static void
pythonProcessingInstruction(void *user_data,
const xmlChar * target, const xmlChar * data)
{
PyObject *handler;
PyObject *result;
#ifdef DEBUG_SAX
printf("pythonProcessingInstruction(%s, %s) called\n", target, data);
#endif
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "processingInstruction")) {
result = PyObject_CallMethod(handler, (char *)
"processingInstruction",
(char *) "ss", target, data);
Py_XDECREF(result);
}
}
static void
pythonComment(void *user_data, const xmlChar * value)
{
PyObject *handler;
PyObject *result;
#ifdef DEBUG_SAX
printf("pythonComment(%s) called\n", value);
#endif
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "comment")) {
result =
PyObject_CallMethod(handler, (char *) "comment", (char *) "s",
value);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
}
}
static void
pythonWarning(void *user_data, const char *msg, ...)
{
PyObject *handler;
PyObject *result;
va_list args;
char buf[1024];
#ifdef DEBUG_SAX
printf("pythonWarning(%s) called\n", msg);
#endif
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "warning")) {
va_start(args, msg);
vsnprintf(buf, 1023, msg, args);
va_end(args);
buf[1023] = 0;
result =
PyObject_CallMethod(handler, (char *) "warning", (char *) "s",
buf);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
}
}
static void
pythonError(void *user_data, const char *msg, ...)
{
PyObject *handler;
PyObject *result;
va_list args;
char buf[1024];
#ifdef DEBUG_SAX
printf("pythonError(%s) called\n", msg);
#endif
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "error")) {
va_start(args, msg);
vsnprintf(buf, 1023, msg, args);
va_end(args);
buf[1023] = 0;
result =
PyObject_CallMethod(handler, (char *) "error", (char *) "s",
buf);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
}
}
static void
pythonFatalError(void *user_data, const char *msg, ...)
{
PyObject *handler;
PyObject *result;
va_list args;
char buf[1024];
#ifdef DEBUG_SAX
printf("pythonFatalError(%s) called\n", msg);
#endif
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "fatalError")) {
va_start(args, msg);
vsnprintf(buf, 1023, msg, args);
va_end(args);
buf[1023] = 0;
result =
PyObject_CallMethod(handler, (char *) "fatalError",
(char *) "s", buf);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
}
}
static void
pythonCdataBlock(void *user_data, const xmlChar * ch, int len)
{
PyObject *handler;
PyObject *result = NULL;
int type = 0;
#ifdef DEBUG_SAX
printf("pythonCdataBlock(%s, %d) called\n", ch, len);
#endif
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "cdataBlock"))
type = 1;
else if (PyObject_HasAttrString(handler, (char *) "cdata"))
type = 2;
if (type != 0) {
if (type == 1)
result =
PyObject_CallMethod(handler, (char *) "cdataBlock",
(char *) "s#", ch, len);
else if (type == 2)
result =
PyObject_CallMethod(handler, (char *) "cdata",
(char *) "s#", ch, len);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
}
}
static void
pythonExternalSubset(void *user_data,
const xmlChar * name,
const xmlChar * externalID, const xmlChar * systemID)
{
PyObject *handler;
PyObject *result;
#ifdef DEBUG_SAX
printf("pythonExternalSubset(%s, %s, %s) called\n",
name, externalID, systemID);
#endif
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "externalSubset")) {
result =
PyObject_CallMethod(handler, (char *) "externalSubset",
(char *) "sss", name, externalID,
systemID);
Py_XDECREF(result);
}
}
static void
pythonEntityDecl(void *user_data,
const xmlChar * name,
int type,
const xmlChar * publicId,
const xmlChar * systemId, xmlChar * content)
{
PyObject *handler;
PyObject *result;
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "entityDecl")) {
result = PyObject_CallMethod(handler, (char *) "entityDecl",
(char *) "sisss", name, type,
publicId, systemId, content);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
}
}
static void
pythonNotationDecl(void *user_data,
const xmlChar * name,
const xmlChar * publicId, const xmlChar * systemId)
{
PyObject *handler;
PyObject *result;
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "notationDecl")) {
result = PyObject_CallMethod(handler, (char *) "notationDecl",
(char *) "sss", name, publicId,
systemId);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
}
}
static void
pythonAttributeDecl(void *user_data,
const xmlChar * elem,
const xmlChar * name,
int type,
int def,
const xmlChar * defaultValue, xmlEnumerationPtr tree)
{
PyObject *handler;
PyObject *nameList;
PyObject *newName;
xmlEnumerationPtr node;
PyObject *result;
int count;
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "attributeDecl")) {
count = 0;
for (node = tree; node != NULL; node = node->next) {
count++;
}
nameList = PyList_New(count);
count = 0;
for (node = tree; node != NULL; node = node->next) {
newName = PyString_FromString((char *) node->name);
PyList_SetItem(nameList, count, newName);
count++;
}
result = PyObject_CallMethod(handler, (char *) "attributeDecl",
(char *) "ssiisO", elem, name, type,
def, defaultValue, nameList);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(nameList);
Py_XDECREF(result);
}
}
static void
pythonElementDecl(void *user_data,
const xmlChar * name,
int type, ATTRIBUTE_UNUSED xmlElementContentPtr content)
{
PyObject *handler;
PyObject *obj;
PyObject *result;
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "elementDecl")) {
/* TODO: wrap in an elementContent object */
printf
("pythonElementDecl: xmlElementContentPtr wrapper missing !\n");
obj = Py_None;
/* Py_XINCREF(Py_None); isn't the reference just borrowed ??? */
result = PyObject_CallMethod(handler, (char *) "elementDecl",
(char *) "siO", name, type, obj);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
}
}
static void
pythonUnparsedEntityDecl(void *user_data,
const xmlChar * name,
const xmlChar * publicId,
const xmlChar * systemId,
const xmlChar * notationName)
{
PyObject *handler;
PyObject *result;
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "unparsedEntityDecl")) {
result =
PyObject_CallMethod(handler, (char *) "unparsedEntityDecl",
(char *) "ssss", name, publicId, systemId,
notationName);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
}
}
static void
pythonInternalSubset(void *user_data, const xmlChar * name,
const xmlChar * ExternalID, const xmlChar * SystemID)
{
PyObject *handler;
PyObject *result;
#ifdef DEBUG_SAX
printf("pythonInternalSubset(%s, %s, %s) called\n",
name, ExternalID, SystemID);
#endif
handler = (PyObject *) user_data;
if (PyObject_HasAttrString(handler, (char *) "internalSubset")) {
result = PyObject_CallMethod(handler, (char *) "internalSubset",
(char *) "sss", name, ExternalID,
SystemID);
if (PyErr_Occurred())
PyErr_Print();
Py_XDECREF(result);
}
}
static xmlSAXHandler pythonSaxHandler = {
pythonInternalSubset,
NULL, /* TODO pythonIsStandalone, */
NULL, /* TODO pythonHasInternalSubset, */
NULL, /* TODO pythonHasExternalSubset, */
NULL, /* TODO pythonResolveEntity, */
NULL, /* TODO pythonGetEntity, */
pythonEntityDecl,
pythonNotationDecl,
pythonAttributeDecl,
pythonElementDecl,
pythonUnparsedEntityDecl,
NULL, /* OBSOLETED pythonSetDocumentLocator, */
pythonStartDocument,
pythonEndDocument,
pythonStartElement,
pythonEndElement,
pythonReference,
pythonCharacters,
pythonIgnorableWhitespace,
pythonProcessingInstruction,
pythonComment,
pythonWarning,
pythonError,
pythonFatalError,
NULL, /* TODO pythonGetParameterEntity, */
pythonCdataBlock,
pythonExternalSubset,
1,
NULL, /* TODO mograte to SAX2 */
NULL,
NULL,
NULL
};
/************************************************************************
* *
* Handling of specific parser context *
* *
************************************************************************/
PyObject *
libxml_xmlCreatePushParser(ATTRIBUTE_UNUSED PyObject * self,
PyObject * args)
{
const char *chunk;
int size;
const char *URI;
PyObject *pyobj_SAX = NULL;
xmlSAXHandlerPtr SAX = NULL;
xmlParserCtxtPtr ret;
PyObject *pyret;
if (!PyArg_ParseTuple
(args, (char *) "Oziz:xmlCreatePushParser", &pyobj_SAX, &chunk,
&size, &URI))
return (NULL);
#ifdef DEBUG
printf("libxml_xmlCreatePushParser(%p, %s, %d, %s) called\n",
pyobj_SAX, chunk, size, URI);
#endif
if (pyobj_SAX != Py_None) {
SAX = &pythonSaxHandler;
Py_INCREF(pyobj_SAX);
/* The reference is released in pythonEndDocument() */
}
ret = xmlCreatePushParserCtxt(SAX, pyobj_SAX, chunk, size, URI);
pyret = libxml_xmlParserCtxtPtrWrap(ret);
return (pyret);
}
PyObject *
libxml_htmlCreatePushParser(ATTRIBUTE_UNUSED PyObject * self,
PyObject * args)
{
const char *chunk;
int size;
const char *URI;
PyObject *pyobj_SAX = NULL;
xmlSAXHandlerPtr SAX = NULL;
xmlParserCtxtPtr ret;
PyObject *pyret;
if (!PyArg_ParseTuple
(args, (char *) "Oziz:htmlCreatePushParser", &pyobj_SAX, &chunk,
&size, &URI))
return (NULL);
#ifdef DEBUG
printf("libxml_htmlCreatePushParser(%p, %s, %d, %s) called\n",
pyobj_SAX, chunk, size, URI);
#endif
if (pyobj_SAX != Py_None) {
SAX = &pythonSaxHandler;
Py_INCREF(pyobj_SAX);
/* The reference is released in pythonEndDocument() */
}
ret = htmlCreatePushParserCtxt(SAX, pyobj_SAX, chunk, size, URI,
XML_CHAR_ENCODING_NONE);
pyret = libxml_xmlParserCtxtPtrWrap(ret);
return (pyret);
}
PyObject *
libxml_xmlSAXParseFile(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
int recover;
const char *URI;
PyObject *pyobj_SAX = NULL;
xmlSAXHandlerPtr SAX = NULL;
if (!PyArg_ParseTuple(args, (char *) "Osi:xmlSAXParseFile", &pyobj_SAX,
&URI, &recover))
return (NULL);
#ifdef DEBUG
printf("libxml_xmlSAXParseFile(%p, %s, %d) called\n",
pyobj_SAX, URI, recover);
#endif
if (pyobj_SAX == Py_None) {
Py_INCREF(Py_None);
return (Py_None);
}
SAX = &pythonSaxHandler;
Py_INCREF(pyobj_SAX);
/* The reference is released in pythonEndDocument() */
xmlSAXParseFileWithData(SAX, URI, recover, pyobj_SAX);
Py_INCREF(Py_None);
return (Py_None);
}
PyObject *
libxml_htmlSAXParseFile(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
const char *URI;
const char *encoding;
PyObject *pyobj_SAX = NULL;
xmlSAXHandlerPtr SAX = NULL;
if (!PyArg_ParseTuple
(args, (char *) "Osz:htmlSAXParseFile", &pyobj_SAX, &URI,
&encoding))
return (NULL);
#ifdef DEBUG
printf("libxml_htmlSAXParseFile(%p, %s, %s) called\n",
pyobj_SAX, URI, encoding);
#endif
if (pyobj_SAX == Py_None) {
Py_INCREF(Py_None);
return (Py_None);
}
SAX = &pythonSaxHandler;
Py_INCREF(pyobj_SAX);
/* The reference is released in pythonEndDocument() */
htmlSAXParseFile(URI, encoding, SAX, pyobj_SAX);
Py_INCREF(Py_None);
return (Py_None);
}
/************************************************************************
* *
* Error message callback *
* *
************************************************************************/
static PyObject *libxml_xmlPythonErrorFuncHandler = NULL;
static PyObject *libxml_xmlPythonErrorFuncCtxt = NULL;
/* helper to build a xmlMalloc'ed string from a format and va_list */
static char *
libxml_buildMessage(const char *msg, va_list ap)
{
int size;
int chars;
char *larger;
char *str;
str = (char *) xmlMalloc(150);
if (str == NULL)
return NULL;
size = 150;
while (1) {
chars = vsnprintf(str, size, msg, ap);
if ((chars > -1) && (chars < size))
break;
if (chars > -1)
size += chars + 1;
else
size += 100;
if ((larger = (char *) xmlRealloc(str, size)) == NULL) {
xmlFree(str);
return NULL;
}
str = larger;
}
return str;
}
static void
libxml_xmlErrorFuncHandler(ATTRIBUTE_UNUSED void *ctx, const char *msg,
...)
{
va_list ap;
char *str;
PyObject *list;
PyObject *message;
PyObject *result;
#ifdef DEBUG_ERROR
printf("libxml_xmlErrorFuncHandler(%p, %s, ...) called\n", ctx, msg);
#endif
if (libxml_xmlPythonErrorFuncHandler == NULL) {
va_start(ap, msg);
vfprintf(stderr, msg, ap);
va_end(ap);
} else {
va_start(ap, msg);
str = libxml_buildMessage(msg,ap);
va_end(ap);
list = PyTuple_New(2);
PyTuple_SetItem(list, 0, libxml_xmlPythonErrorFuncCtxt);
Py_XINCREF(libxml_xmlPythonErrorFuncCtxt);
message = libxml_charPtrWrap(str);
PyTuple_SetItem(list, 1, message);
result = PyEval_CallObject(libxml_xmlPythonErrorFuncHandler, list);
Py_XDECREF(list);
Py_XDECREF(result);
}
}
static void
libxml_xmlErrorInitialize(void)
{
#ifdef DEBUG_ERROR
printf("libxml_xmlErrorInitialize() called\n");
#endif
xmlSetGenericErrorFunc(NULL, libxml_xmlErrorFuncHandler);
xmlThrDefSetGenericErrorFunc(NULL, libxml_xmlErrorFuncHandler);
}
static PyObject *
libxml_xmlRegisterErrorHandler(ATTRIBUTE_UNUSED PyObject * self,
PyObject * args)
{
PyObject *py_retval;
PyObject *pyobj_f;
PyObject *pyobj_ctx;
if (!PyArg_ParseTuple
(args, (char *) "OO:xmlRegisterErrorHandler", &pyobj_f,
&pyobj_ctx))
return (NULL);
#ifdef DEBUG_ERROR
printf("libxml_registerXPathFunction(%p, %p) called\n", pyobj_ctx,
pyobj_f);
#endif
if (libxml_xmlPythonErrorFuncHandler != NULL) {
Py_XDECREF(libxml_xmlPythonErrorFuncHandler);
}
if (libxml_xmlPythonErrorFuncCtxt != NULL) {
Py_XDECREF(libxml_xmlPythonErrorFuncCtxt);
}
Py_XINCREF(pyobj_ctx);
Py_XINCREF(pyobj_f);
/* TODO: check f is a function ! */
libxml_xmlPythonErrorFuncHandler = pyobj_f;
libxml_xmlPythonErrorFuncCtxt = pyobj_ctx;
py_retval = libxml_intWrap(1);
return (py_retval);
}
/************************************************************************
* *
* Per parserCtxt error handler *
* *
************************************************************************/
typedef struct
{
PyObject *f;
PyObject *arg;
} xmlParserCtxtPyCtxt;
typedef xmlParserCtxtPyCtxt *xmlParserCtxtPyCtxtPtr;
static void
libxml_xmlParserCtxtGenericErrorFuncHandler(void *ctx, int severity, char *str)
{
PyObject *list;
PyObject *result;
xmlParserCtxtPtr ctxt;
xmlParserCtxtPyCtxtPtr pyCtxt;
#ifdef DEBUG_ERROR
printf("libxml_xmlParserCtxtGenericErrorFuncHandler(%p, %s, ...) called\n", ctx, msg);
#endif
ctxt = (xmlParserCtxtPtr)ctx;
pyCtxt = (xmlParserCtxtPyCtxtPtr)ctxt->_private;
list = PyTuple_New(4);
PyTuple_SetItem(list, 0, pyCtxt->arg);
Py_XINCREF(pyCtxt->arg);
PyTuple_SetItem(list, 1, libxml_charPtrWrap(str));
PyTuple_SetItem(list, 2, libxml_intWrap(severity));
PyTuple_SetItem(list, 3, Py_None);
Py_INCREF(Py_None);
result = PyEval_CallObject(pyCtxt->f, list);
if (result == NULL)
{
/* TODO: manage for the exception to be propagated... */
PyErr_Print();
}
Py_XDECREF(list);
Py_XDECREF(result);
}
static void
libxml_xmlParserCtxtErrorFuncHandler(void *ctx, const char *msg, ...)
{
va_list ap;
va_start(ap, msg);
libxml_xmlParserCtxtGenericErrorFuncHandler(ctx,XML_PARSER_SEVERITY_ERROR,libxml_buildMessage(msg,ap));
va_end(ap);
}
static void
libxml_xmlParserCtxtWarningFuncHandler(void *ctx, const char *msg, ...)
{
va_list ap;
va_start(ap, msg);
libxml_xmlParserCtxtGenericErrorFuncHandler(ctx,XML_PARSER_SEVERITY_WARNING,libxml_buildMessage(msg,ap));
va_end(ap);
}
static void
libxml_xmlParserCtxtValidityErrorFuncHandler(void *ctx, const char *msg, ...)
{
va_list ap;
va_start(ap, msg);
libxml_xmlParserCtxtGenericErrorFuncHandler(ctx,XML_PARSER_SEVERITY_VALIDITY_ERROR,libxml_buildMessage(msg,ap));
va_end(ap);
}
static void
libxml_xmlParserCtxtValidityWarningFuncHandler(void *ctx, const char *msg, ...)
{
va_list ap;
va_start(ap, msg);
libxml_xmlParserCtxtGenericErrorFuncHandler(ctx,XML_PARSER_SEVERITY_VALIDITY_WARNING,libxml_buildMessage(msg,ap));
va_end(ap);
}
static PyObject *
libxml_xmlParserCtxtSetErrorHandler(ATTRIBUTE_UNUSED PyObject *self, PyObject *args)
{
PyObject *py_retval;
xmlParserCtxtPtr ctxt;
xmlParserCtxtPyCtxtPtr pyCtxt;
PyObject *pyobj_ctxt;
PyObject *pyobj_f;
PyObject *pyobj_arg;
if (!PyArg_ParseTuple(args, (char *)"OOO:xmlParserCtxtSetErrorHandler",
&pyobj_ctxt, &pyobj_f, &pyobj_arg))
return(NULL);
ctxt = (xmlParserCtxtPtr) PyparserCtxt_Get(pyobj_ctxt);
if (ctxt->_private == NULL) {
pyCtxt = xmlMalloc(sizeof(xmlParserCtxtPyCtxt));
if (pyCtxt == NULL) {
py_retval = libxml_intWrap(-1);
return(py_retval);
}
memset(pyCtxt,0,sizeof(xmlParserCtxtPyCtxt));
ctxt->_private = pyCtxt;
}
else {
pyCtxt = (xmlParserCtxtPyCtxtPtr)ctxt->_private;
}
/* TODO: check f is a function ! */
Py_XDECREF(pyCtxt->f);
Py_XINCREF(pyobj_f);
pyCtxt->f = pyobj_f;
Py_XDECREF(pyCtxt->arg);
Py_XINCREF(pyobj_arg);
pyCtxt->arg = pyobj_arg;
if (pyobj_f != Py_None) {
ctxt->sax->error = libxml_xmlParserCtxtErrorFuncHandler;
ctxt->sax->warning = libxml_xmlParserCtxtWarningFuncHandler;
ctxt->vctxt.error = libxml_xmlParserCtxtValidityErrorFuncHandler;
ctxt->vctxt.warning = libxml_xmlParserCtxtValidityWarningFuncHandler;
}
else {
ctxt->sax->error = xmlParserError;
ctxt->vctxt.error = xmlParserValidityError;
ctxt->sax->warning = xmlParserWarning;
ctxt->vctxt.warning = xmlParserValidityWarning;
}
py_retval = libxml_intWrap(1);
return(py_retval);
}
static PyObject *
libxml_xmlParserCtxtGetErrorHandler(ATTRIBUTE_UNUSED PyObject *self, PyObject *args)
{
PyObject *py_retval;
xmlParserCtxtPtr ctxt;
xmlParserCtxtPyCtxtPtr pyCtxt;
PyObject *pyobj_ctxt;
if (!PyArg_ParseTuple(args, (char *)"O:xmlParserCtxtGetErrorHandler",
&pyobj_ctxt))
return(NULL);
ctxt = (xmlParserCtxtPtr) PyparserCtxt_Get(pyobj_ctxt);
py_retval = PyTuple_New(2);
if (ctxt->_private != NULL) {
pyCtxt = (xmlParserCtxtPyCtxtPtr)ctxt->_private;
PyTuple_SetItem(py_retval, 0, pyCtxt->f);
Py_XINCREF(pyCtxt->f);
PyTuple_SetItem(py_retval, 1, pyCtxt->arg);
Py_XINCREF(pyCtxt->arg);
}
else {
/* no python error handler registered */
PyTuple_SetItem(py_retval, 0, Py_None);
Py_XINCREF(Py_None);
PyTuple_SetItem(py_retval, 1, Py_None);
Py_XINCREF(Py_None);
}
return(py_retval);
}
static PyObject *
libxml_xmlFreeParserCtxt(ATTRIBUTE_UNUSED PyObject *self, PyObject *args) {
xmlParserCtxtPtr ctxt;
PyObject *pyobj_ctxt;
xmlParserCtxtPyCtxtPtr pyCtxt;
if (!PyArg_ParseTuple(args, (char *)"O:xmlFreeParserCtxt", &pyobj_ctxt))
return(NULL);
ctxt = (xmlParserCtxtPtr) PyparserCtxt_Get(pyobj_ctxt);
if (ctxt != NULL) {
pyCtxt = (xmlParserCtxtPyCtxtPtr)((xmlParserCtxtPtr)ctxt)->_private;
if (pyCtxt) {
Py_XDECREF(pyCtxt->f);
Py_XDECREF(pyCtxt->arg);
xmlFree(pyCtxt);
}
xmlFreeParserCtxt(ctxt);
}
Py_INCREF(Py_None);
return(Py_None);
}
/************************************************************************
* *
* Per xmlTextReader error handler *
* *
************************************************************************/
typedef struct
{
PyObject *f;
PyObject *arg;
} xmlTextReaderPyCtxt;
typedef xmlTextReaderPyCtxt *xmlTextReaderPyCtxtPtr;
static void
libxml_xmlTextReaderErrorCallback(void *arg,
const char *msg,
int severity,
xmlTextReaderLocatorPtr locator)
{
xmlTextReaderPyCtxt *pyCtxt = (xmlTextReaderPyCtxt *)arg;
PyObject *list;
PyObject *result;
list = PyTuple_New(4);
PyTuple_SetItem(list, 0, pyCtxt->arg);
Py_XINCREF(pyCtxt->arg);
PyTuple_SetItem(list, 1, libxml_charPtrConstWrap(msg));
PyTuple_SetItem(list, 2, libxml_intWrap(severity));
PyTuple_SetItem(list, 3, libxml_xmlTextReaderLocatorPtrWrap(locator));
result = PyEval_CallObject(pyCtxt->f, list);
if (result == NULL)
{
/* TODO: manage for the exception to be propagated... */
PyErr_Print();
}
Py_XDECREF(list);
Py_XDECREF(result);
}
static PyObject *
libxml_xmlTextReaderSetErrorHandler(ATTRIBUTE_UNUSED PyObject *self, PyObject *args)
{
xmlTextReaderPtr reader;
xmlTextReaderPyCtxtPtr pyCtxt;
xmlTextReaderErrorFunc f;
void *arg;
PyObject *pyobj_reader;
PyObject *pyobj_f;
PyObject *pyobj_arg;
PyObject *py_retval;
if (!PyArg_ParseTuple(args, (char *)"OOO:xmlTextReaderSetErrorHandler", &pyobj_reader, &pyobj_f, &pyobj_arg))
return(NULL);
reader = (xmlTextReaderPtr) PyxmlTextReader_Get(pyobj_reader);
/* clear previous error handler */
xmlTextReaderGetErrorHandler(reader,&f,&arg);
if (arg != NULL) {
if (f == (xmlTextReaderErrorFunc) libxml_xmlTextReaderErrorCallback) {
/* ok, it's our error handler! */
pyCtxt = (xmlTextReaderPyCtxtPtr)arg;
Py_XDECREF(pyCtxt->f);
Py_XDECREF(pyCtxt->arg);
xmlFree(pyCtxt);
}
else {
/*
* there already an arg, and it's not ours,
* there is definitely something wrong going on here...
* we don't know how to free it, so we bail out...
*/
py_retval = libxml_intWrap(-1);
return(py_retval);
}
}
xmlTextReaderSetErrorHandler(reader,NULL,NULL);
/* set new error handler */
if (pyobj_f != Py_None)
{
pyCtxt = (xmlTextReaderPyCtxtPtr)xmlMalloc(sizeof(xmlTextReaderPyCtxt));
if (pyCtxt == NULL) {
py_retval = libxml_intWrap(-1);
return(py_retval);
}
Py_XINCREF(pyobj_f);
pyCtxt->f = pyobj_f;
Py_XINCREF(pyobj_arg);
pyCtxt->arg = pyobj_arg;
xmlTextReaderSetErrorHandler(reader,
(xmlTextReaderErrorFunc) libxml_xmlTextReaderErrorCallback,
pyCtxt);
}
py_retval = libxml_intWrap(1);
return(py_retval);
}
static PyObject *
libxml_xmlTextReaderGetErrorHandler(ATTRIBUTE_UNUSED PyObject *self, PyObject *args)
{
xmlTextReaderPtr reader;
xmlTextReaderPyCtxtPtr pyCtxt;
xmlTextReaderErrorFunc f;
void *arg;
PyObject *pyobj_reader;
PyObject *py_retval;
if (!PyArg_ParseTuple(args, (char *)"O:xmlTextReaderSetErrorHandler", &pyobj_reader))
return(NULL);
reader = (xmlTextReaderPtr) PyxmlTextReader_Get(pyobj_reader);
xmlTextReaderGetErrorHandler(reader,&f,&arg);
py_retval = PyTuple_New(2);
if (f == (xmlTextReaderErrorFunc)libxml_xmlTextReaderErrorCallback) {
/* ok, it's our error handler! */
pyCtxt = (xmlTextReaderPyCtxtPtr)arg;
PyTuple_SetItem(py_retval, 0, pyCtxt->f);
Py_XINCREF(pyCtxt->f);
PyTuple_SetItem(py_retval, 1, pyCtxt->arg);
Py_XINCREF(pyCtxt->arg);
}
else
{
/* f is null or it's not our error handler */
PyTuple_SetItem(py_retval, 0, Py_None);
Py_XINCREF(Py_None);
PyTuple_SetItem(py_retval, 1, Py_None);
Py_XINCREF(Py_None);
}
return(py_retval);
}
static PyObject *
libxml_xmlFreeTextReader(ATTRIBUTE_UNUSED PyObject *self, PyObject *args) {
xmlTextReaderPtr reader;
PyObject *pyobj_reader;
xmlTextReaderPyCtxtPtr pyCtxt;
xmlTextReaderErrorFunc f;
void *arg;
if (!PyArg_ParseTuple(args, (char *)"O:xmlFreeTextReader", &pyobj_reader))
return(NULL);
if (!PyCObject_Check(pyobj_reader)) {
Py_INCREF(Py_None);
return(Py_None);
}
reader = (xmlTextReaderPtr) PyxmlTextReader_Get(pyobj_reader);
if (reader == NULL) {
Py_INCREF(Py_None);
return(Py_None);
}
xmlTextReaderGetErrorHandler(reader,&f,&arg);
if (arg != NULL) {
if (f == (xmlTextReaderErrorFunc) libxml_xmlTextReaderErrorCallback) {
/* ok, it's our error handler! */
pyCtxt = (xmlTextReaderPyCtxtPtr)arg;
Py_XDECREF(pyCtxt->f);
Py_XDECREF(pyCtxt->arg);
xmlFree(pyCtxt);
}
/*
* else, something wrong happened, because the error handler is
* not owned by the python bindings...
*/
}
xmlFreeTextReader(reader);
Py_INCREF(Py_None);
return(Py_None);
}
/************************************************************************
* *
* XPath extensions *
* *
************************************************************************/
static int libxml_xpathCallbacksInitialized = 0;
typedef struct libxml_xpathCallback {
xmlXPathContextPtr ctx;
xmlChar *name;
xmlChar *ns_uri;
PyObject *function;
} libxml_xpathCallback, *libxml_xpathCallbackPtr;
static libxml_xpathCallback libxml_xpathCallbacks[10];
static int libxml_xpathCallbacksNb = 0;
static int libxml_xpathCallbacksMax = 10;
static void
libxml_xmlXPathFuncCallback(xmlXPathParserContextPtr ctxt, int nargs)
{
PyObject *list, *cur, *result;
xmlXPathObjectPtr obj;
xmlXPathContextPtr rctxt;
PyObject *current_function = NULL;
const xmlChar *name;
const xmlChar *ns_uri;
int i;
if (ctxt == NULL)
return;
rctxt = ctxt->context;
if (rctxt == NULL)
return;
name = rctxt->function;
ns_uri = rctxt->functionURI;
#ifdef DEBUG_XPATH
printf("libxml_xmlXPathFuncCallback called name %s URI %s\n", name,
ns_uri);
#endif
/*
* Find the function, it should be there it was there at lookup
*/
for (i = 0; i < libxml_xpathCallbacksNb; i++) {
if ( /* TODO (ctxt == libxml_xpathCallbacks[i].ctx) && */
(xmlStrEqual(name, libxml_xpathCallbacks[i].name)) &&
(xmlStrEqual(ns_uri, libxml_xpathCallbacks[i].ns_uri))) {
current_function = libxml_xpathCallbacks[i].function;
}
}
if (current_function == NULL) {
printf
("libxml_xmlXPathFuncCallback: internal error %s not found !\n",
name);
return;
}
list = PyTuple_New(nargs + 1);
PyTuple_SetItem(list, 0, libxml_xmlXPathParserContextPtrWrap(ctxt));
for (i = nargs - 1; i >= 0; i--) {
obj = valuePop(ctxt);
cur = libxml_xmlXPathObjectPtrWrap(obj);
PyTuple_SetItem(list, i + 1, cur);
}
result = PyEval_CallObject(current_function, list);
Py_DECREF(list);
obj = libxml_xmlXPathObjectPtrConvert(result);
valuePush(ctxt, obj);
}
static xmlXPathFunction
libxml_xmlXPathFuncLookupFunc(void *ctxt, const xmlChar * name,
const xmlChar * ns_uri)
{
int i;
#ifdef DEBUG_XPATH
printf("libxml_xmlXPathFuncLookupFunc(%p, %s, %s) called\n",
ctxt, name, ns_uri);
#endif
/*
* This is called once only. The address is then stored in the
* XPath expression evaluation, the proper object to call can
* then still be found using the execution context function
* and functionURI fields.
*/
for (i = 0; i < libxml_xpathCallbacksNb; i++) {
if ((ctxt == libxml_xpathCallbacks[i].ctx) &&
(xmlStrEqual(name, libxml_xpathCallbacks[i].name)) &&
(xmlStrEqual(ns_uri, libxml_xpathCallbacks[i].ns_uri))) {
return (libxml_xmlXPathFuncCallback);
}
}
return (NULL);
}
static void
libxml_xpathCallbacksInitialize(void)
{
int i;
if (libxml_xpathCallbacksInitialized != 0)
return;
#ifdef DEBUG_XPATH
printf("libxml_xpathCallbacksInitialized called\n");
#endif
for (i = 0; i < libxml_xpathCallbacksMax; i++) {
libxml_xpathCallbacks[i].ctx = NULL;
libxml_xpathCallbacks[i].name = NULL;
libxml_xpathCallbacks[i].ns_uri = NULL;
libxml_xpathCallbacks[i].function = NULL;
}
libxml_xpathCallbacksInitialized = 1;
}
PyObject *
libxml_xmlRegisterXPathFunction(ATTRIBUTE_UNUSED PyObject * self,
PyObject * args)
{
PyObject *py_retval;
int c_retval = 0;
xmlChar *name;
xmlChar *ns_uri;
xmlXPathContextPtr ctx;
PyObject *pyobj_ctx;
PyObject *pyobj_f;
int i;
if (!PyArg_ParseTuple
(args, (char *) "OszO:registerXPathFunction", &pyobj_ctx, &name,
&ns_uri, &pyobj_f))
return (NULL);
ctx = (xmlXPathContextPtr) PyxmlXPathContext_Get(pyobj_ctx);
if (libxml_xpathCallbacksInitialized == 0)
libxml_xpathCallbacksInitialize();
xmlXPathRegisterFuncLookup(ctx, libxml_xmlXPathFuncLookupFunc, ctx);
if ((pyobj_ctx == NULL) || (name == NULL) || (pyobj_f == NULL)) {
py_retval = libxml_intWrap(-1);
return (py_retval);
}
#ifdef DEBUG_XPATH
printf("libxml_registerXPathFunction(%p, %s, %s) called\n",
ctx, name, ns_uri);
#endif
for (i = 0; i < libxml_xpathCallbacksNb; i++) {
if ((ctx == libxml_xpathCallbacks[i].ctx) &&
(xmlStrEqual(name, libxml_xpathCallbacks[i].name)) &&
(xmlStrEqual(ns_uri, libxml_xpathCallbacks[i].ns_uri))) {
Py_XINCREF(pyobj_f);
Py_XDECREF(libxml_xpathCallbacks[i].function);
libxml_xpathCallbacks[i].function = pyobj_f;
c_retval = 1;
goto done;
}
}
if (libxml_xpathCallbacksNb >= libxml_xpathCallbacksMax) {
printf("libxml_registerXPathFunction() table full\n");
} else {
i = libxml_xpathCallbacksNb++;
Py_XINCREF(pyobj_f);
libxml_xpathCallbacks[i].ctx = ctx;
libxml_xpathCallbacks[i].name = xmlStrdup(name);
libxml_xpathCallbacks[i].ns_uri = xmlStrdup(ns_uri);
libxml_xpathCallbacks[i].function = pyobj_f;
c_retval = 1;
}
done:
py_retval = libxml_intWrap((int) c_retval);
return (py_retval);
}
/************************************************************************
* *
* Global properties access *
* *
************************************************************************/
static PyObject *
libxml_name(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *resultobj, *obj;
xmlNodePtr cur;
const xmlChar *res;
if (!PyArg_ParseTuple(args, (char *) "O:name", &obj))
return NULL;
cur = PyxmlNode_Get(obj);
#ifdef DEBUG
printf("libxml_name: cur = %p type %d\n", cur, cur->type);
#endif
switch (cur->type) {
case XML_DOCUMENT_NODE:
#ifdef LIBXML_DOCB_ENABLED
case XML_DOCB_DOCUMENT_NODE:
#endif
case XML_HTML_DOCUMENT_NODE:{
xmlDocPtr doc = (xmlDocPtr) cur;
res = doc->URL;
break;
}
case XML_ATTRIBUTE_NODE:{
xmlAttrPtr attr = (xmlAttrPtr) cur;
res = attr->name;
break;
}
case XML_NAMESPACE_DECL:{
xmlNsPtr ns = (xmlNsPtr) cur;
res = ns->prefix;
break;
}
default:
res = cur->name;
break;
}
resultobj = libxml_constxmlCharPtrWrap(res);
return resultobj;
}
static PyObject *
libxml_doc(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *resultobj, *obj;
xmlNodePtr cur;
xmlDocPtr res;
if (!PyArg_ParseTuple(args, (char *) "O:doc", &obj))
return NULL;
cur = PyxmlNode_Get(obj);
#ifdef DEBUG
printf("libxml_doc: cur = %p\n", cur);
#endif
switch (cur->type) {
case XML_DOCUMENT_NODE:
#ifdef LIBXML_DOCB_ENABLED
case XML_DOCB_DOCUMENT_NODE:
#endif
case XML_HTML_DOCUMENT_NODE:
res = NULL;
break;
case XML_ATTRIBUTE_NODE:{
xmlAttrPtr attr = (xmlAttrPtr) cur;
res = attr->doc;
break;
}
case XML_NAMESPACE_DECL:
res = NULL;
break;
default:
res = cur->doc;
break;
}
resultobj = libxml_xmlDocPtrWrap(res);
return resultobj;
}
static PyObject *
libxml_properties(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *resultobj, *obj;
xmlNodePtr cur = NULL;
xmlAttrPtr res;
if (!PyArg_ParseTuple(args, (char *) "O:properties", &obj))
return NULL;
cur = PyxmlNode_Get(obj);
if (cur->type == XML_ELEMENT_NODE)
res = cur->properties;
else
res = NULL;
resultobj = libxml_xmlAttrPtrWrap(res);
return resultobj;
}
static PyObject *
libxml_next(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *resultobj, *obj;
xmlNodePtr cur;
xmlNodePtr res;
if (!PyArg_ParseTuple(args, (char *) "O:next", &obj))
return NULL;
cur = PyxmlNode_Get(obj);
#ifdef DEBUG
printf("libxml_next: cur = %p\n", cur);
#endif
switch (cur->type) {
case XML_DOCUMENT_NODE:
#ifdef LIBXML_DOCB_ENABLED
case XML_DOCB_DOCUMENT_NODE:
#endif
case XML_HTML_DOCUMENT_NODE:
res = NULL;
break;
case XML_ATTRIBUTE_NODE:{
xmlAttrPtr attr = (xmlAttrPtr) cur;
res = (xmlNodePtr) attr->next;
break;
}
case XML_NAMESPACE_DECL:{
xmlNsPtr ns = (xmlNsPtr) cur;
res = (xmlNodePtr) ns->next;
break;
}
default:
res = cur->next;
break;
}
resultobj = libxml_xmlNodePtrWrap(res);
return resultobj;
}
static PyObject *
libxml_prev(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *resultobj, *obj;
xmlNodePtr cur;
xmlNodePtr res;
if (!PyArg_ParseTuple(args, (char *) "O:prev", &obj))
return NULL;
cur = PyxmlNode_Get(obj);
#ifdef DEBUG
printf("libxml_prev: cur = %p\n", cur);
#endif
switch (cur->type) {
case XML_DOCUMENT_NODE:
#ifdef LIBXML_DOCB_ENABLED
case XML_DOCB_DOCUMENT_NODE:
#endif
case XML_HTML_DOCUMENT_NODE:
res = NULL;
break;
case XML_ATTRIBUTE_NODE:{
xmlAttrPtr attr = (xmlAttrPtr) cur;
res = (xmlNodePtr) attr->prev;
}
case XML_NAMESPACE_DECL:
res = NULL;
break;
default:
res = cur->prev;
break;
}
resultobj = libxml_xmlNodePtrWrap(res);
return resultobj;
}
static PyObject *
libxml_children(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *resultobj, *obj;
xmlNodePtr cur;
xmlNodePtr res;
if (!PyArg_ParseTuple(args, (char *) "O:children", &obj))
return NULL;
cur = PyxmlNode_Get(obj);
#ifdef DEBUG
printf("libxml_children: cur = %p\n", cur);
#endif
switch (cur->type) {
case XML_ELEMENT_NODE:
case XML_ENTITY_REF_NODE:
case XML_ENTITY_NODE:
case XML_PI_NODE:
case XML_COMMENT_NODE:
case XML_DOCUMENT_NODE:
#ifdef LIBXML_DOCB_ENABLED
case XML_DOCB_DOCUMENT_NODE:
#endif
case XML_HTML_DOCUMENT_NODE:
case XML_DTD_NODE:
res = cur->children;
break;
case XML_ATTRIBUTE_NODE:{
xmlAttrPtr attr = (xmlAttrPtr) cur;
res = attr->children;
break;
}
default:
res = NULL;
break;
}
resultobj = libxml_xmlNodePtrWrap(res);
return resultobj;
}
static PyObject *
libxml_last(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *resultobj, *obj;
xmlNodePtr cur;
xmlNodePtr res;
if (!PyArg_ParseTuple(args, (char *) "O:last", &obj))
return NULL;
cur = PyxmlNode_Get(obj);
#ifdef DEBUG
printf("libxml_last: cur = %p\n", cur);
#endif
switch (cur->type) {
case XML_ELEMENT_NODE:
case XML_ENTITY_REF_NODE:
case XML_ENTITY_NODE:
case XML_PI_NODE:
case XML_COMMENT_NODE:
case XML_DOCUMENT_NODE:
#ifdef LIBXML_DOCB_ENABLED
case XML_DOCB_DOCUMENT_NODE:
#endif
case XML_HTML_DOCUMENT_NODE:
case XML_DTD_NODE:
res = cur->last;
break;
case XML_ATTRIBUTE_NODE:{
xmlAttrPtr attr = (xmlAttrPtr) cur;
res = attr->last;
}
default:
res = NULL;
break;
}
resultobj = libxml_xmlNodePtrWrap(res);
return resultobj;
}
static PyObject *
libxml_parent(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *resultobj, *obj;
xmlNodePtr cur;
xmlNodePtr res;
if (!PyArg_ParseTuple(args, (char *) "O:parent", &obj))
return NULL;
cur = PyxmlNode_Get(obj);
#ifdef DEBUG
printf("libxml_parent: cur = %p\n", cur);
#endif
switch (cur->type) {
case XML_DOCUMENT_NODE:
case XML_HTML_DOCUMENT_NODE:
#ifdef LIBXML_DOCB_ENABLED
case XML_DOCB_DOCUMENT_NODE:
#endif
res = NULL;
break;
case XML_ATTRIBUTE_NODE:{
xmlAttrPtr attr = (xmlAttrPtr) cur;
res = attr->parent;
}
case XML_ENTITY_DECL:
case XML_NAMESPACE_DECL:
case XML_XINCLUDE_START:
case XML_XINCLUDE_END:
res = NULL;
break;
default:
res = cur->parent;
break;
}
resultobj = libxml_xmlNodePtrWrap(res);
return resultobj;
}
static PyObject *
libxml_type(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *resultobj, *obj;
xmlNodePtr cur;
const xmlChar *res = NULL;
if (!PyArg_ParseTuple(args, (char *) "O:last", &obj))
return NULL;
cur = PyxmlNode_Get(obj);
#ifdef DEBUG
printf("libxml_type: cur = %p\n", cur);
#endif
switch (cur->type) {
case XML_ELEMENT_NODE:
res = (const xmlChar *) "element";
break;
case XML_ATTRIBUTE_NODE:
res = (const xmlChar *) "attribute";
break;
case XML_TEXT_NODE:
res = (const xmlChar *) "text";
break;
case XML_CDATA_SECTION_NODE:
res = (const xmlChar *) "cdata";
break;
case XML_ENTITY_REF_NODE:
res = (const xmlChar *) "entity_ref";
break;
case XML_ENTITY_NODE:
res = (const xmlChar *) "entity";
break;
case XML_PI_NODE:
res = (const xmlChar *) "pi";
break;
case XML_COMMENT_NODE:
res = (const xmlChar *) "comment";
break;
case XML_DOCUMENT_NODE:
res = (const xmlChar *) "document_xml";
break;
case XML_DOCUMENT_TYPE_NODE:
res = (const xmlChar *) "doctype";
break;
case XML_DOCUMENT_FRAG_NODE:
res = (const xmlChar *) "fragment";
break;
case XML_NOTATION_NODE:
res = (const xmlChar *) "notation";
break;
case XML_HTML_DOCUMENT_NODE:
res = (const xmlChar *) "document_html";
break;
case XML_DTD_NODE:
res = (const xmlChar *) "dtd";
break;
case XML_ELEMENT_DECL:
res = (const xmlChar *) "elem_decl";
break;
case XML_ATTRIBUTE_DECL:
res = (const xmlChar *) "attribute_decl";
break;
case XML_ENTITY_DECL:
res = (const xmlChar *) "entity_decl";
break;
case XML_NAMESPACE_DECL:
res = (const xmlChar *) "namespace";
break;
case XML_XINCLUDE_START:
res = (const xmlChar *) "xinclude_start";
break;
case XML_XINCLUDE_END:
res = (const xmlChar *) "xinclude_end";
break;
#ifdef LIBXML_DOCB_ENABLED
case XML_DOCB_DOCUMENT_NODE:
res = (const xmlChar *) "document_docbook";
break;
#endif
}
#ifdef DEBUG
printf("libxml_type: cur = %p: %s\n", cur, res);
#endif
resultobj = libxml_constxmlCharPtrWrap(res);
return resultobj;
}
/************************************************************************
* *
* Specific accessor functions *
* *
************************************************************************/
PyObject *
libxml_xmlNodeGetNsDefs(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *py_retval;
xmlNsPtr c_retval;
xmlNodePtr node;
PyObject *pyobj_node;
if (!PyArg_ParseTuple
(args, (char *) "O:xmlNodeGetNsDefs", &pyobj_node))
return (NULL);
node = (xmlNodePtr) PyxmlNode_Get(pyobj_node);
if ((node == NULL) || (node->type != XML_ELEMENT_NODE)) {
Py_INCREF(Py_None);
return (Py_None);
}
c_retval = node->nsDef;
py_retval = libxml_xmlNsPtrWrap((xmlNsPtr) c_retval);
return (py_retval);
}
PyObject *
libxml_xmlNodeGetNs(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *py_retval;
xmlNsPtr c_retval;
xmlNodePtr node;
PyObject *pyobj_node;
if (!PyArg_ParseTuple(args, (char *) "O:xmlNodeGetNs", &pyobj_node))
return (NULL);
node = (xmlNodePtr) PyxmlNode_Get(pyobj_node);
if ((node == NULL) ||
((node->type != XML_ELEMENT_NODE) &&
(node->type != XML_ATTRIBUTE_NODE))) {
Py_INCREF(Py_None);
return (Py_None);
}
c_retval = node->ns;
py_retval = libxml_xmlNsPtrWrap((xmlNsPtr) c_retval);
return (py_retval);
}
#ifdef LIBXML_OUTPUT_ENABLED
/************************************************************************
* *
* Serialization front-end *
* *
************************************************************************/
static PyObject *
libxml_serializeNode(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *py_retval = NULL;
xmlChar *c_retval;
PyObject *pyobj_node;
xmlNodePtr node;
xmlDocPtr doc;
const char *encoding;
int format;
int len;
if (!PyArg_ParseTuple(args, (char *) "Ozi:serializeNode", &pyobj_node,
&encoding, &format))
return (NULL);
node = (xmlNodePtr) PyxmlNode_Get(pyobj_node);
if (node == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
if (node->type == XML_DOCUMENT_NODE) {
doc = (xmlDocPtr) node;
xmlDocDumpFormatMemoryEnc(doc, &c_retval, &len,
(const char *) encoding, format);
py_retval = libxml_charPtrWrap((char *) c_retval);
} else if (node->type == XML_HTML_DOCUMENT_NODE) {
xmlOutputBufferPtr buf;
xmlCharEncodingHandlerPtr handler = NULL;
doc = (xmlDocPtr) node;
if (encoding != NULL)
htmlSetMetaEncoding(doc, (const xmlChar *) encoding);
encoding = (const char *) htmlGetMetaEncoding(doc);
if (encoding != NULL) {
handler = xmlFindCharEncodingHandler(encoding);
if (handler == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
}
/*
* Fallback to HTML or ASCII when the encoding is unspecified
*/
if (handler == NULL)
handler = xmlFindCharEncodingHandler("HTML");
if (handler == NULL)
handler = xmlFindCharEncodingHandler("ascii");
buf = xmlAllocOutputBuffer(handler);
if (buf == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
htmlDocContentDumpFormatOutput(buf, doc, encoding, format);
xmlOutputBufferFlush(buf);
if (buf->conv != NULL) {
len = buf->conv->use;
c_retval = buf->conv->content;
buf->conv->content = NULL;
} else {
len = buf->buffer->use;
c_retval = buf->buffer->content;
buf->buffer->content = NULL;
}
(void) xmlOutputBufferClose(buf);
py_retval = libxml_charPtrWrap((char *) c_retval);
} else {
if (node->type == XML_NAMESPACE_DECL)
doc = NULL;
else
doc = node->doc;
if ((doc == NULL) || (doc->type == XML_DOCUMENT_NODE)) {
xmlOutputBufferPtr buf;
xmlCharEncodingHandlerPtr handler = NULL;
if (encoding != NULL) {
handler = xmlFindCharEncodingHandler(encoding);
if (handler == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
}
buf = xmlAllocOutputBuffer(handler);
if (buf == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
xmlNodeDumpOutput(buf, doc, node, 0, format, encoding);
xmlOutputBufferFlush(buf);
if (buf->conv != NULL) {
len = buf->conv->use;
c_retval = buf->conv->content;
buf->conv->content = NULL;
} else {
len = buf->buffer->use;
c_retval = buf->buffer->content;
buf->buffer->content = NULL;
}
(void) xmlOutputBufferClose(buf);
py_retval = libxml_charPtrWrap((char *) c_retval);
} else if (doc->type == XML_HTML_DOCUMENT_NODE) {
xmlOutputBufferPtr buf;
xmlCharEncodingHandlerPtr handler = NULL;
if (encoding != NULL)
htmlSetMetaEncoding(doc, (const xmlChar *) encoding);
encoding = (const char *) htmlGetMetaEncoding(doc);
if (encoding != NULL) {
handler = xmlFindCharEncodingHandler(encoding);
if (handler == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
}
/*
* Fallback to HTML or ASCII when the encoding is unspecified
*/
if (handler == NULL)
handler = xmlFindCharEncodingHandler("HTML");
if (handler == NULL)
handler = xmlFindCharEncodingHandler("ascii");
buf = xmlAllocOutputBuffer(handler);
if (buf == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
htmlNodeDumpFormatOutput(buf, doc, node, encoding, format);
xmlOutputBufferFlush(buf);
if (buf->conv != NULL) {
len = buf->conv->use;
c_retval = buf->conv->content;
buf->conv->content = NULL;
} else {
len = buf->buffer->use;
c_retval = buf->buffer->content;
buf->buffer->content = NULL;
}
(void) xmlOutputBufferClose(buf);
py_retval = libxml_charPtrWrap((char *) c_retval);
} else {
Py_INCREF(Py_None);
return (Py_None);
}
}
return (py_retval);
}
static PyObject *
libxml_saveNodeTo(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *py_file = NULL;
FILE *output;
PyObject *pyobj_node;
xmlNodePtr node;
xmlDocPtr doc;
const char *encoding;
int format;
int len;
xmlOutputBufferPtr buf;
xmlCharEncodingHandlerPtr handler = NULL;
if (!PyArg_ParseTuple(args, (char *) "OOzi:serializeNode", &pyobj_node,
&py_file, &encoding, &format))
return (NULL);
node = (xmlNodePtr) PyxmlNode_Get(pyobj_node);
if (node == NULL) {
return (PyInt_FromLong((long) -1));
}
if ((py_file == NULL) || (!(PyFile_Check(py_file)))) {
return (PyInt_FromLong((long) -1));
}
output = PyFile_AsFile(py_file);
if (output == NULL) {
return (PyInt_FromLong((long) -1));
}
if (node->type == XML_DOCUMENT_NODE) {
doc = (xmlDocPtr) node;
} else if (node->type == XML_HTML_DOCUMENT_NODE) {
doc = (xmlDocPtr) node;
} else {
doc = node->doc;
}
if (doc->type == XML_HTML_DOCUMENT_NODE) {
if (encoding == NULL)
encoding = (const char *) htmlGetMetaEncoding(doc);
}
if (encoding != NULL) {
handler = xmlFindCharEncodingHandler(encoding);
if (handler == NULL) {
return (PyInt_FromLong((long) -1));
}
}
if (doc->type == XML_HTML_DOCUMENT_NODE) {
if (handler == NULL)
handler = xmlFindCharEncodingHandler("HTML");
if (handler == NULL)
handler = xmlFindCharEncodingHandler("ascii");
}
buf = xmlOutputBufferCreateFile(output, handler);
if (node->type == XML_DOCUMENT_NODE) {
len = xmlSaveFormatFileTo(buf, doc, encoding, format);
} else if (node->type == XML_HTML_DOCUMENT_NODE) {
htmlDocContentDumpFormatOutput(buf, doc, encoding, format);
len = xmlOutputBufferClose(buf);
} else if (doc->type == XML_HTML_DOCUMENT_NODE) {
htmlNodeDumpFormatOutput(buf, doc, node, encoding, format);
len = xmlOutputBufferClose(buf);
} else {
xmlNodeDumpOutput(buf, doc, node, 0, format, encoding);
len = xmlOutputBufferClose(buf);
}
return (PyInt_FromLong((long) len));
}
#endif /* LIBXML_OUTPUT_ENABLED */
/************************************************************************
* *
* Extra stuff *
* *
************************************************************************/
PyObject *
libxml_xmlNewNode(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *py_retval;
xmlChar *name;
xmlNodePtr node;
if (!PyArg_ParseTuple(args, (char *) "s:xmlNewNode", &name))
return (NULL);
node = (xmlNodePtr) xmlNewNode(NULL, name);
#ifdef DEBUG
printf("NewNode: %s : %p\n", name, (void *) node);
#endif
if (node == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
py_retval = libxml_xmlNodePtrWrap(node);
return (py_retval);
}
/************************************************************************
* *
* Local Catalog stuff *
* *
************************************************************************/
static PyObject *
libxml_addLocalCatalog(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
xmlChar *URL;
xmlParserCtxtPtr ctxt;
PyObject *pyobj_ctxt;
if (!PyArg_ParseTuple(args, (char *)"Os:addLocalCatalog", &pyobj_ctxt, &URL))
return(NULL);
ctxt = (xmlParserCtxtPtr) PyparserCtxt_Get(pyobj_ctxt);
if (URL != NULL) {
ctxt->catalogs = xmlCatalogAddLocal(ctxt->catalogs, URL);
}
#ifdef DEBUG
printf("LocalCatalog: %s\n", URL);
#endif
Py_INCREF(Py_None);
return (Py_None);
}
#ifdef LIBXML_SCHEMAS_ENABLED
/************************************************************************
* *
* RelaxNG error handler registration *
* *
************************************************************************/
typedef struct
{
PyObject *warn;
PyObject *error;
PyObject *arg;
} xmlRelaxNGValidCtxtPyCtxt;
typedef xmlRelaxNGValidCtxtPyCtxt *xmlRelaxNGValidCtxtPyCtxtPtr;
static void
libxml_xmlRelaxNGValidityGenericErrorFuncHandler(void *ctx, char *str)
{
PyObject *list;
PyObject *result;
xmlRelaxNGValidCtxtPyCtxtPtr pyCtxt;
#ifdef DEBUG_ERROR
printf("libxml_xmlRelaxNGValidityGenericErrorFuncHandler(%p, %s, ...) called\n", ctx, str);
#endif
pyCtxt = (xmlRelaxNGValidCtxtPyCtxtPtr)ctx;
list = PyTuple_New(2);
PyTuple_SetItem(list, 0, libxml_charPtrWrap(str));
PyTuple_SetItem(list, 1, pyCtxt->arg);
Py_XINCREF(pyCtxt->arg);
result = PyEval_CallObject(pyCtxt->error, list);
if (result == NULL)
{
/* TODO: manage for the exception to be propagated... */
PyErr_Print();
}
Py_XDECREF(list);
Py_XDECREF(result);
}
static void
libxml_xmlRelaxNGValidityGenericWarningFuncHandler(void *ctx, char *str)
{
PyObject *list;
PyObject *result;
xmlRelaxNGValidCtxtPyCtxtPtr pyCtxt;
#ifdef DEBUG_ERROR
printf("libxml_xmlRelaxNGValidityGenericWarningFuncHandler(%p, %s, ...) called\n", ctx, str);
#endif
pyCtxt = (xmlRelaxNGValidCtxtPyCtxtPtr)ctx;
list = PyTuple_New(2);
PyTuple_SetItem(list, 0, libxml_charPtrWrap(str));
PyTuple_SetItem(list, 1, pyCtxt->arg);
Py_XINCREF(pyCtxt->arg);
result = PyEval_CallObject(pyCtxt->warn, list);
if (result == NULL)
{
/* TODO: manage for the exception to be propagated... */
PyErr_Print();
}
Py_XDECREF(list);
Py_XDECREF(result);
}
static void
libxml_xmlRelaxNGValidityErrorFunc(void *ctx, const char *msg, ...)
{
va_list ap;
va_start(ap, msg);
libxml_xmlRelaxNGValidityGenericErrorFuncHandler(ctx, libxml_buildMessage(msg, ap));
va_end(ap);
}
static void
libxml_xmlRelaxNGValidityWarningFunc(void *ctx, const char *msg, ...)
{
va_list ap;
va_start(ap, msg);
libxml_xmlRelaxNGValidityGenericWarningFuncHandler(ctx, libxml_buildMessage(msg, ap));
va_end(ap);
}
static PyObject *
libxml_xmlRelaxNGSetValidErrors(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *py_retval;
PyObject *pyobj_error;
PyObject *pyobj_warn;
PyObject *pyobj_ctx;
PyObject *pyobj_arg = Py_None;
xmlRelaxNGValidCtxtPtr ctxt;
xmlRelaxNGValidCtxtPyCtxtPtr pyCtxt;
if (!PyArg_ParseTuple
(args, (char *) "OOO|O:xmlRelaxNGSetValidErrors", &pyobj_ctx, &pyobj_error, &pyobj_warn, &pyobj_arg))
return (NULL);
#ifdef DEBUG_ERROR
printf("libxml_xmlRelaxNGSetValidErrors(%p, %p, %p) called\n", pyobj_ctx, pyobj_error, pyobj_warn);
#endif
ctxt = PyrelaxNgValidCtxt_Get(pyobj_ctx);
if (xmlRelaxNGGetValidErrors(ctxt, NULL, NULL, (void **) &pyCtxt) == -1)
{
py_retval = libxml_intWrap(-1);
return(py_retval);
}
if (pyCtxt == NULL)
{
/* first time to set the error handlers */
pyCtxt = xmlMalloc(sizeof(xmlRelaxNGValidCtxtPyCtxt));
if (pyCtxt == NULL) {
py_retval = libxml_intWrap(-1);
return(py_retval);
}
memset(pyCtxt, 0, sizeof(xmlRelaxNGValidCtxtPyCtxt));
}
/* TODO: check warn and error is a function ! */
Py_XDECREF(pyCtxt->error);
Py_XINCREF(pyobj_error);
pyCtxt->error = pyobj_error;
Py_XDECREF(pyCtxt->warn);
Py_XINCREF(pyobj_warn);
pyCtxt->warn = pyobj_warn;
Py_XDECREF(pyCtxt->arg);
Py_XINCREF(pyobj_arg);
pyCtxt->arg = pyobj_arg;
xmlRelaxNGSetValidErrors(ctxt, &libxml_xmlRelaxNGValidityErrorFunc, &libxml_xmlRelaxNGValidityWarningFunc, pyCtxt);
py_retval = libxml_intWrap(1);
return (py_retval);
}
static PyObject *
libxml_xmlRelaxNGFreeValidCtxt(ATTRIBUTE_UNUSED PyObject *self, PyObject *args) {
xmlRelaxNGValidCtxtPtr ctxt;
xmlRelaxNGValidCtxtPyCtxtPtr pyCtxt;
PyObject *pyobj_ctxt;
if (!PyArg_ParseTuple(args, (char *)"O:xmlRelaxNGFreeValidCtxt", &pyobj_ctxt))
return(NULL);
ctxt = (xmlRelaxNGValidCtxtPtr) PyrelaxNgValidCtxt_Get(pyobj_ctxt);
if (xmlRelaxNGGetValidErrors(ctxt, NULL, NULL, (void **) &pyCtxt) == 0)
{
if (pyCtxt != NULL)
{
Py_XDECREF(pyCtxt->error);
Py_XDECREF(pyCtxt->warn);
Py_XDECREF(pyCtxt->arg);
xmlFree(pyCtxt);
}
}
xmlRelaxNGFreeValidCtxt(ctxt);
Py_INCREF(Py_None);
return(Py_None);
}
#endif
/************************************************************************
* *
* The registration stuff *
* *
************************************************************************/
static PyMethodDef libxmlMethods[] = {
#include "libxml2-export.c"
{(char *) "name", libxml_name, METH_VARARGS, NULL},
{(char *) "children", libxml_children, METH_VARARGS, NULL},
{(char *) "properties", libxml_properties, METH_VARARGS, NULL},
{(char *) "last", libxml_last, METH_VARARGS, NULL},
{(char *) "prev", libxml_prev, METH_VARARGS, NULL},
{(char *) "next", libxml_next, METH_VARARGS, NULL},
{(char *) "parent", libxml_parent, METH_VARARGS, NULL},
{(char *) "type", libxml_type, METH_VARARGS, NULL},
{(char *) "doc", libxml_doc, METH_VARARGS, NULL},
{(char *) "xmlNewNode", libxml_xmlNewNode, METH_VARARGS, NULL},
#ifdef LIBXML_OUTPUT_ENABLED
{(char *) "serializeNode", libxml_serializeNode, METH_VARARGS, NULL},
{(char *) "saveNodeTo", libxml_saveNodeTo, METH_VARARGS, NULL},
{(char *) "outputBufferCreate", libxml_xmlCreateOutputBuffer, METH_VARARGS, NULL},
{(char *) "outputBufferGetPythonFile", libxml_outputBufferGetPythonFile, METH_VARARGS, NULL},
{(char *) "xmlOutputBufferClose", libxml_xmlOutputBufferClose, METH_VARARGS, NULL},
{ (char *)"xmlOutputBufferFlush", libxml_xmlOutputBufferFlush, METH_VARARGS, NULL },
#endif /* LIBXML_OUTPUT_ENABLED */
{(char *) "inputBufferCreate", libxml_xmlCreateInputBuffer, METH_VARARGS, NULL},
{(char *) "setEntityLoader", libxml_xmlSetEntityLoader, METH_VARARGS, NULL},
{(char *)"xmlRegisterErrorHandler", libxml_xmlRegisterErrorHandler, METH_VARARGS, NULL },
{(char *)"xmlParserCtxtSetErrorHandler", libxml_xmlParserCtxtSetErrorHandler, METH_VARARGS, NULL },
{(char *)"xmlParserCtxtGetErrorHandler", libxml_xmlParserCtxtGetErrorHandler, METH_VARARGS, NULL },
{(char *)"xmlFreeParserCtxt", libxml_xmlFreeParserCtxt, METH_VARARGS, NULL },
{(char *)"xmlTextReaderSetErrorHandler", libxml_xmlTextReaderSetErrorHandler, METH_VARARGS, NULL },
{(char *)"xmlTextReaderGetErrorHandler", libxml_xmlTextReaderGetErrorHandler, METH_VARARGS, NULL },
{(char *)"xmlFreeTextReader", libxml_xmlFreeTextReader, METH_VARARGS, NULL },
{(char *)"addLocalCatalog", libxml_addLocalCatalog, METH_VARARGS, NULL },
#ifdef LIBXML_SCHEMAS_ENABLED
{(char *)"xmlRelaxNGSetValidErrors", libxml_xmlRelaxNGSetValidErrors, METH_VARARGS, NULL},
{(char *)"xmlRelaxNGFreeValidCtxt", libxml_xmlRelaxNGFreeValidCtxt, METH_VARARGS, NULL},
#endif
{NULL, NULL, 0, NULL}
};
#ifdef MERGED_MODULES
extern void initlibxsltmod(void);
#endif
void
initlibxml2mod(void)
{
static int initialized = 0;
PyObject *m;
if (initialized != 0)
return;
/* XXX xmlInitParser does much more than this */
xmlInitGlobals();
#ifdef LIBXML_OUTPUT_ENABLED
xmlRegisterDefaultOutputCallbacks();
#endif /* LIBXML_OUTPUT_ENABLED */
xmlRegisterDefaultInputCallbacks();
m = Py_InitModule((char *) "libxml2mod", libxmlMethods);
initialized = 1;
libxml_xmlErrorInitialize();
#ifdef MERGED_MODULES
initlibxsltmod();
#endif
}
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