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Unified Diff: third_party/libxml/src/python/libxml.c

Issue 1193533007: Upgrade to libxml 2.9.2 and libxslt 1.1.28 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: remove suppressions, have landed in blink now Created 5 years, 6 months ago
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Index: third_party/libxml/src/python/libxml.c
diff --git a/third_party/libxml/src/python/libxml.c b/third_party/libxml/src/python/libxml.c
new file mode 100644
index 0000000000000000000000000000000000000000..30b71f36d5356707d4de3f49dca35d9b6e53213a
--- /dev/null
+++ b/third_party/libxml/src/python/libxml.c
@@ -0,0 +1,3934 @@
+/*
+ * 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/c14n.h>
+#include <libxml/xmlreader.h>
+#include <libxml/xmlsave.h>
+#include "libxml_wrap.h"
+#include "libxml2-py.h"
+
+#if 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 */
+
+#if PY_MAJOR_VERSION >= 3
+PyObject *PyInit_libxml2mod(void);
+
+#define PY_IMPORT_STRING_SIZE PyUnicode_FromStringAndSize
+#define PY_IMPORT_STRING PyUnicode_FromString
+#else
+void initlibxml2mod(void);
+#define PY_IMPORT_STRING_SIZE PyString_FromStringAndSize
+#define PY_IMPORT_STRING PyString_FromString
+#endif
+
+
+/**
+ * TODO:
+ *
+ * macro to flag unimplemented blocks
+ */
+#define TODO \
+ xmlGenericError(xmlGenericErrorContext, \
+ "Unimplemented block at %s:%d\n", \
+ __FILE__, __LINE__);
+/*
+ * the following vars are used for XPath extensions, but
+ * are also referenced within the parser cleanup routine.
+ */
+static int libxml_xpathCallbacksInitialized = 0;
+
+typedef struct libxml_xpathCallback {
+ xmlXPathContextPtr ctx;
+ xmlChar *name;
+ xmlChar *ns_uri;
+ PyObject *function;
+} libxml_xpathCallback, *libxml_xpathCallbackPtr;
+typedef libxml_xpathCallback libxml_xpathCallbackArray[];
+static int libxml_xpathCallbacksAllocd = 10;
+static libxml_xpathCallbackArray *libxml_xpathCallbacks = NULL;
+static int libxml_xpathCallbacksNb = 0;
+
+/************************************************************************
+ * *
+ * 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;
+
+static void
+libxml_xmlErrorInitialize(void); /* forward declare */
+
+PyObject *
+libxml_xmlMemoryUsed(PyObject * self ATTRIBUTE_UNUSED,
+ PyObject * args ATTRIBUTE_UNUSED)
+{
+ long ret;
+ PyObject *py_retval;
+
+ ret = xmlMemUsed();
+
+ py_retval = libxml_longWrap(ret);
+ return (py_retval);
+}
+
+PyObject *
+libxml_xmlDebugMemory(PyObject * self ATTRIBUTE_UNUSED, 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 {
+ /*
+ * cleanup first, because some memory has been
+ * allocated with the non-debug malloc in xmlInitParser
+ * when the python module was imported
+ */
+ xmlCleanupParser();
+ ret = (long) xmlMemSetup(xmlMemFree, xmlMemMalloc,
+ xmlMemRealloc, xmlMemoryStrdup);
+ if (ret < 0)
+ goto error;
+ libxmlMemoryAllocatedBase = xmlMemUsed();
+ /* reinitialize */
+ xmlInitParser();
+ libxml_xmlErrorInitialize();
+ }
+ 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_xmlPythonCleanupParser(PyObject *self ATTRIBUTE_UNUSED,
+ PyObject *args ATTRIBUTE_UNUSED) {
+
+ int ix;
+ long freed = -1;
+
+ if (libxmlMemoryDebug) {
+ freed = xmlMemUsed();
+ }
+
+ xmlCleanupParser();
+ /*
+ * Need to confirm whether we really want to do this (required for
+ * memcheck) in all cases...
+ */
+
+ if (libxml_xpathCallbacks != NULL) { /* if ext funcs declared */
+ for (ix=0; ix<libxml_xpathCallbacksNb; ix++) {
+ if ((*libxml_xpathCallbacks)[ix].name != NULL)
+ xmlFree((*libxml_xpathCallbacks)[ix].name);
+ if ((*libxml_xpathCallbacks)[ix].ns_uri != NULL)
+ xmlFree((*libxml_xpathCallbacks)[ix].ns_uri);
+ }
+ libxml_xpathCallbacksNb = 0;
+ xmlFree(libxml_xpathCallbacks);
+ libxml_xpathCallbacks = NULL;
+ }
+
+ if (libxmlMemoryDebug) {
+ freed -= xmlMemUsed();
+ libxmlMemoryAllocatedBase -= freed;
+ if (libxmlMemoryAllocatedBase < 0)
+ libxmlMemoryAllocatedBase = 0;
+ }
+
+ Py_INCREF(Py_None);
+ return(Py_None);
+}
+
+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 (PyBytes_Check(ret)) {
+ lenread = PyBytes_Size(ret);
+ data = PyBytes_AsString(ret);
+#ifdef PyUnicode_Check
+ } else if PyUnicode_Check (ret) {
+#if PY_VERSION_HEX >= 0x03030000
+ Py_ssize_t size;
+ const char *tmp;
+
+ /* tmp doesn't need to be deallocated */
+ tmp = PyUnicode_AsUTF8AndSize(ret, &size);
+
+ lenread = (int) size;
+ data = (char *) tmp;
+#else
+ PyObject *b;
+ b = PyUnicode_AsUTF8String(ret);
+ if (b == NULL) {
+ printf("xmlPythonFileReadRaw: failed to convert to UTF-8\n");
+ return(-1);
+ }
+ lenread = PyBytes_Size(b);
+ data = PyBytes_AsString(b);
+ Py_DECREF(b);
+#endif
+#endif
+ } else {
+ printf("xmlPythonFileReadRaw: result is not a String\n");
+ Py_DECREF(ret);
+ return(-1);
+ }
+ if (lenread > len)
+ memcpy(buffer, data, len);
+ else
+ memcpy(buffer, data, lenread);
+ 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 (PyBytes_Check(ret)) {
+ lenread = PyBytes_Size(ret);
+ data = PyBytes_AsString(ret);
+#ifdef PyUnicode_Check
+ } else if PyUnicode_Check (ret) {
+#if PY_VERSION_HEX >= 0x03030000
+ Py_ssize_t size;
+ const char *tmp;
+
+ /* tmp doesn't need to be deallocated */
+ tmp = PyUnicode_AsUTF8AndSize(ret, &size);
+
+ lenread = (int) size;
+ data = (char *) tmp;
+#else
+ PyObject *b;
+ b = PyUnicode_AsUTF8String(ret);
+ if (b == NULL) {
+ printf("xmlPythonFileRead: failed to convert to UTF-8\n");
+ return(-1);
+ }
+ lenread = PyBytes_Size(b);
+ data = PyBytes_AsString(b);
+ Py_DECREF(b);
+#endif
+#endif
+ } else {
+ printf("xmlPythonFileRead: result is not a String\n");
+ Py_DECREF(ret);
+ return(-1);
+ }
+ if (lenread > len)
+ memcpy(buffer, data, len);
+ else
+ memcpy(buffer, data, lenread);
+ 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 = PY_IMPORT_STRING_SIZE(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 (PyLong_Check(ret)) {
+ written = (int) PyLong_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);
+}
+
+static 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);
+ /* Buffer may already have been destroyed elsewhere. This is harmless. */
+ if (out == NULL) {
+ Py_INCREF(Py_None);
+ return(Py_None);
+ }
+
+ c_retval = xmlOutputBufferClose(out);
+ py_retval = libxml_intWrap((int) c_retval);
+ return(py_retval);
+}
+
+static 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);
+}
+
+static PyObject *
+libxml_xmlSaveFileTo(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
+ PyObject *py_retval;
+ int c_retval;
+ xmlOutputBufferPtr buf;
+ PyObject *pyobj_buf;
+ xmlDocPtr cur;
+ PyObject *pyobj_cur;
+ char * encoding;
+
+ if (!PyArg_ParseTuple(args, (char *)"OOz:xmlSaveFileTo", &pyobj_buf, &pyobj_cur, &encoding))
+ return(NULL);
+ buf = (xmlOutputBufferPtr) PyoutputBuffer_Get(pyobj_buf);
+ cur = (xmlDocPtr) PyxmlNode_Get(pyobj_cur);
+
+ c_retval = xmlSaveFileTo(buf, cur, encoding);
+ /* xmlSaveTo() freed the memory pointed to by buf, so record that in the
+ * Python object. */
+ ((PyoutputBuffer_Object *)(pyobj_buf))->obj = NULL;
+ py_retval = libxml_intWrap((int) c_retval);
+ return(py_retval);
+}
+
+static PyObject *
+libxml_xmlSaveFormatFileTo(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
+ PyObject *py_retval;
+ int c_retval;
+ xmlOutputBufferPtr buf;
+ PyObject *pyobj_buf;
+ xmlDocPtr cur;
+ PyObject *pyobj_cur;
+ char * encoding;
+ int format;
+
+ if (!PyArg_ParseTuple(args, (char *)"OOzi:xmlSaveFormatFileTo", &pyobj_buf, &pyobj_cur, &encoding, &format))
+ return(NULL);
+ buf = (xmlOutputBufferPtr) PyoutputBuffer_Get(pyobj_buf);
+ cur = (xmlDocPtr) PyxmlNode_Get(pyobj_cur);
+
+ c_retval = xmlSaveFormatFileTo(buf, cur, encoding, format);
+ /* xmlSaveFormatFileTo() freed the memory pointed to by buf, so record that
+ * in the Python object */
+ ((PyoutputBuffer_Object *)(pyobj_buf))->obj = NULL;
+ 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, stdout, 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);
+ }
+#if 0
+ } else {
+ if (URL != NULL)
+ printf("pythonExternalEntityLoader: can't read %s\n",
+ URL);
+#endif
+ }
+ 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);
+
+ if (!PyCallable_Check(loader)) {
+ PyErr_SetString(PyExc_ValueError, "entity loader is not callable");
+ return(NULL);
+ }
+
+#ifdef DEBUG_LOADER
+ printf("libxml_xmlSetEntityLoader\n");
+#endif
+ if (defaultExternalEntityLoader == NULL)
+ defaultExternalEntityLoader = xmlGetExternalEntityLoader();
+
+ Py_XDECREF(pythonExternalEntityLoaderObjext);
+ pythonExternalEntityLoaderObjext = loader;
+ Py_XINCREF(pythonExternalEntityLoaderObjext);
+ xmlSetExternalEntityLoader(pythonExternalEntityLoader);
+
+ py_retval = PyLong_FromLong(0);
+ return(py_retval);
+}
+
+/************************************************************************
+ * *
+ * Input callback registration *
+ * *
+ ************************************************************************/
+static PyObject *pythonInputOpenCallbackObject;
+static int pythonInputCallbackID = -1;
+
+static int
+pythonInputMatchCallback(ATTRIBUTE_UNUSED const char *URI)
+{
+ /* Always return success, real decision whether URI is supported will be
+ * made in open callback. */
+ return 1;
+}
+
+static void *
+pythonInputOpenCallback(const char *URI)
+{
+ PyObject *ret;
+
+ ret = PyObject_CallFunction(pythonInputOpenCallbackObject,
+ (char *)"s", URI);
+ if (ret == Py_None) {
+ Py_DECREF(Py_None);
+ return NULL;
+ }
+ return ret;
+}
+
+PyObject *
+libxml_xmlRegisterInputCallback(ATTRIBUTE_UNUSED PyObject *self,
+ PyObject *args) {
+ PyObject *cb;
+
+ if (!PyArg_ParseTuple(args,
+ (const char *)"O:libxml_xmlRegisterInputCallback", &cb))
+ return(NULL);
+
+ if (!PyCallable_Check(cb)) {
+ PyErr_SetString(PyExc_ValueError, "input callback is not callable");
+ return(NULL);
+ }
+
+ /* Python module registers a single callback and manages the list of
+ * all callbacks internally. This is necessitated by xmlInputMatchCallback
+ * API, which does not allow for passing of data objects to discriminate
+ * different Python methods. */
+ if (pythonInputCallbackID == -1) {
+ pythonInputCallbackID = xmlRegisterInputCallbacks(
+ pythonInputMatchCallback, pythonInputOpenCallback,
+ xmlPythonFileReadRaw, xmlPythonFileCloseRaw);
+ if (pythonInputCallbackID == -1)
+ return PyErr_NoMemory();
+ pythonInputOpenCallbackObject = cb;
+ Py_INCREF(pythonInputOpenCallbackObject);
+ }
+
+ Py_INCREF(Py_None);
+ return(Py_None);
+}
+
+PyObject *
+libxml_xmlUnregisterInputCallback(ATTRIBUTE_UNUSED PyObject *self,
+ ATTRIBUTE_UNUSED PyObject *args) {
+ int ret;
+
+ ret = xmlPopInputCallbacks();
+ if (pythonInputCallbackID != -1) {
+ /* Assert that the right input callback was popped. libxml's API does not
+ * allow removal by ID, so all that could be done is an assert. */
+ if (pythonInputCallbackID == ret) {
+ pythonInputCallbackID = -1;
+ Py_DECREF(pythonInputOpenCallbackObject);
+ pythonInputOpenCallbackObject = NULL;
+ } else {
+ PyErr_SetString(PyExc_AssertionError, "popped non-python input callback");
+ return(NULL);
+ }
+ } else if (ret == -1) {
+ /* No more callbacks to pop */
+ PyErr_SetString(PyExc_IndexError, "no input callbacks to pop");
+ return(NULL);
+ }
+
+ Py_INCREF(Py_None);
+ return(Py_None);
+}
+
+/************************************************************************
+ * *
+ * 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 = PY_IMPORT_STRING((char *) attrs[i]);
+ i++;
+ if (attrs[i] != NULL) {
+ attrvalue = PY_IMPORT_STRING((char *) attrs[i]);
+ } else {
+ Py_XINCREF(Py_None);
+ attrvalue = Py_None;
+ }
+ PyDict_SetItem(dict, attrname, attrvalue);
+ Py_DECREF(attrname);
+ Py_DECREF(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 = PY_IMPORT_STRING((char *) node->name);
+ PyList_SetItem(nameList, count, newName);
+ Py_DECREF(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)
+{
+#ifdef LIBXML_HTML_ENABLED
+ 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);
+#else
+ Py_INCREF(Py_None);
+ return (Py_None);
+#endif /* LIBXML_HTML_ENABLED */
+}
+
+PyObject *
+libxml_xmlSAXParseFile(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
+{
+#ifdef LIBXML_SAX1_ENABLED
+ 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() */
+ xmlSAXUserParseFile(SAX, pyobj_SAX, URI);
+#endif /* LIBXML_SAX1_ENABLED */
+ Py_INCREF(Py_None);
+ return (Py_None);
+}
+
+PyObject *
+libxml_htmlSAXParseFile(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
+{
+#ifdef LIBXML_HTML_ENABLED
+ 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);
+#else
+ Py_INCREF(Py_None);
+ return (Py_None);
+#endif /* LIBXML_HTML_ENABLED */
+}
+
+/************************************************************************
+ * *
+ * 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 */
+/*
+ * disabled the loop, the repeated call to vsnprintf without reset of ap
+ * in case the initial buffer was too small segfaulted on x86_64
+ * we now directly vsnprintf on a large buffer.
+ */
+static char *
+libxml_buildMessage(const char *msg, va_list ap)
+{
+ int chars;
+ char *str;
+
+ str = (char *) xmlMalloc(1000);
+ if (str == NULL)
+ return NULL;
+
+ chars = vsnprintf(str, 999, msg, ap);
+ if (chars >= 998)
+ str[999] = 0;
+
+ return str;
+}
+
+static void
+libxml_xmlErrorFuncHandler(ATTRIBUTE_UNUSED void *ctx, const char *msg,
+ ...)
+{
+ va_list ap;
+ PyObject *list;
+ PyObject *message;
+ PyObject *result;
+ char str[1000];
+
+#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);
+ if (vsnprintf(str, 999, msg, ap) >= 998)
+ str[999] = 0;
+ va_end(ap);
+
+ list = PyTuple_New(2);
+ PyTuple_SetItem(list, 0, libxml_xmlPythonErrorFuncCtxt);
+ Py_XINCREF(libxml_xmlPythonErrorFuncCtxt);
+ message = libxml_charPtrConstWrap(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_xmlRegisterErrorHandler(%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, str);
+#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);
+}
+
+/***
+ * xmlValidCtxt stuff
+ */
+
+typedef struct
+{
+ PyObject *warn;
+ PyObject *error;
+ PyObject *arg;
+} xmlValidCtxtPyCtxt;
+typedef xmlValidCtxtPyCtxt *xmlValidCtxtPyCtxtPtr;
+
+static void
+libxml_xmlValidCtxtGenericErrorFuncHandler(void *ctx, ATTRIBUTE_UNUSED int severity, char *str)
+{
+ PyObject *list;
+ PyObject *result;
+ xmlValidCtxtPyCtxtPtr pyCtxt;
+
+#ifdef DEBUG_ERROR
+ printf("libxml_xmlValidCtxtGenericErrorFuncHandler(%p, %d, %s, ...) called\n", ctx, severity, str);
+#endif
+
+ pyCtxt = (xmlValidCtxtPyCtxtPtr)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_xmlValidCtxtGenericWarningFuncHandler(void *ctx, ATTRIBUTE_UNUSED int severity, char *str)
+{
+ PyObject *list;
+ PyObject *result;
+ xmlValidCtxtPyCtxtPtr pyCtxt;
+
+#ifdef DEBUG_ERROR
+ printf("libxml_xmlValidCtxtGenericWarningFuncHandler(%p, %d, %s, ...) called\n", ctx, severity, str);
+#endif
+
+ pyCtxt = (xmlValidCtxtPyCtxtPtr)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_xmlValidCtxtErrorFuncHandler(void *ctx, const char *msg, ...)
+{
+ va_list ap;
+
+ va_start(ap, msg);
+ libxml_xmlValidCtxtGenericErrorFuncHandler(ctx,XML_PARSER_SEVERITY_VALIDITY_ERROR,libxml_buildMessage(msg,ap));
+ va_end(ap);
+}
+
+static void
+libxml_xmlValidCtxtWarningFuncHandler(void *ctx, const char *msg, ...)
+{
+ va_list ap;
+
+ va_start(ap, msg);
+ libxml_xmlValidCtxtGenericWarningFuncHandler(ctx,XML_PARSER_SEVERITY_VALIDITY_WARNING,libxml_buildMessage(msg,ap));
+ va_end(ap);
+}
+
+static PyObject *
+libxml_xmlSetValidErrors(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
+{
+ PyObject *py_retval;
+ PyObject *pyobj_error;
+ PyObject *pyobj_warn;
+ PyObject *pyobj_ctx;
+ PyObject *pyobj_arg = Py_None;
+ xmlValidCtxtPtr ctxt;
+ xmlValidCtxtPyCtxtPtr pyCtxt;
+
+ if (!PyArg_ParseTuple
+ (args, (char *) "OOO|O:xmlSetValidErrors", &pyobj_ctx, &pyobj_error, &pyobj_warn, &pyobj_arg))
+ return (NULL);
+
+#ifdef DEBUG_ERROR
+ printf("libxml_xmlSetValidErrors(%p, %p, %p) called\n", pyobj_ctx, pyobj_error, pyobj_warn);
+#endif
+
+ ctxt = PyValidCtxt_Get(pyobj_ctx);
+ pyCtxt = xmlMalloc(sizeof(xmlValidCtxtPyCtxt));
+ if (pyCtxt == NULL) {
+ py_retval = libxml_intWrap(-1);
+ return(py_retval);
+ }
+ memset(pyCtxt, 0, sizeof(xmlValidCtxtPyCtxt));
+
+
+ /* 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;
+
+ ctxt->error = libxml_xmlValidCtxtErrorFuncHandler;
+ ctxt->warning = libxml_xmlValidCtxtWarningFuncHandler;
+ ctxt->userData = pyCtxt;
+
+ py_retval = libxml_intWrap(1);
+ return (py_retval);
+}
+
+
+static PyObject *
+libxml_xmlFreeValidCtxt(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
+ xmlValidCtxtPtr cur;
+ xmlValidCtxtPyCtxtPtr pyCtxt;
+ PyObject *pyobj_cur;
+
+ if (!PyArg_ParseTuple(args, (char *)"O:xmlFreeValidCtxt", &pyobj_cur))
+ return(NULL);
+ cur = (xmlValidCtxtPtr) PyValidCtxt_Get(pyobj_cur);
+
+ pyCtxt = (xmlValidCtxtPyCtxtPtr)(cur->userData);
+ if (pyCtxt != NULL)
+ {
+ Py_XDECREF(pyCtxt->error);
+ Py_XDECREF(pyCtxt->warn);
+ Py_XDECREF(pyCtxt->arg);
+ xmlFree(pyCtxt);
+ }
+
+ xmlFreeValidCtxt(cur);
+ Py_INCREF(Py_None);
+ return(Py_None);
+}
+
+#ifdef LIBXML_READER_ENABLED
+/************************************************************************
+ * *
+ * 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 (!PyCapsule_CheckExact(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);
+}
+#endif
+
+/************************************************************************
+ * *
+ * XPath extensions *
+ * *
+ ************************************************************************/
+
+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
+ libxml_xpathCallbacks = (libxml_xpathCallbackArray*)xmlMalloc(
+ libxml_xpathCallbacksAllocd*sizeof(libxml_xpathCallback));
+
+ for (i = 0; i < libxml_xpathCallbacksAllocd; 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_xpathCallbacksAllocd) {
+ libxml_xpathCallbacksAllocd+=10;
+ libxml_xpathCallbacks = (libxml_xpathCallbackArray*)xmlRealloc(
+ libxml_xpathCallbacks,
+ libxml_xpathCallbacksAllocd*sizeof(libxml_xpathCallback));
+ }
+ 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);
+}
+
+PyObject *
+libxml_xmlXPathRegisterVariable(ATTRIBUTE_UNUSED PyObject * self,
+ PyObject * args)
+{
+ PyObject *py_retval;
+ int c_retval = 0;
+ xmlChar *name;
+ xmlChar *ns_uri;
+ xmlXPathContextPtr ctx;
+ xmlXPathObjectPtr val;
+ PyObject *pyobj_ctx;
+ PyObject *pyobj_value;
+
+ if (!PyArg_ParseTuple
+ (args, (char *) "OszO:xpathRegisterVariable", &pyobj_ctx, &name,
+ &ns_uri, &pyobj_value))
+ return (NULL);
+
+ ctx = (xmlXPathContextPtr) PyxmlXPathContext_Get(pyobj_ctx);
+ val = libxml_xmlXPathObjectPtrConvert(pyobj_value);
+
+ c_retval = xmlXPathRegisterVariableNS(ctx, name, ns_uri, val);
+ py_retval = libxml_intWrap(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;
+ xmlAttrPtr res;
+
+ if (!PyArg_ParseTuple(args, (char *) "O:properties", &obj))
+ return NULL;
+ cur = PyxmlNode_Get(obj);
+ if ((cur != NULL) && (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;
+ }
+ break;
+ 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;
+ break;
+ }
+ 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;
+ }
+ break;
+ 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);
+ if (cur == NULL) {
+ Py_INCREF(Py_None);
+ return (Py_None);
+ }
+
+#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_xmlNodeRemoveNsDef(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
+{
+ PyObject *py_retval;
+ xmlNsPtr ns, prev;
+ xmlNodePtr node;
+ PyObject *pyobj_node;
+ xmlChar *href;
+ xmlNsPtr c_retval;
+
+ if (!PyArg_ParseTuple
+ (args, (char *) "Oz:xmlNodeRemoveNsDef", &pyobj_node, &href))
+ return (NULL);
+ node = (xmlNodePtr) PyxmlNode_Get(pyobj_node);
+ ns = NULL;
+
+ if ((node == NULL) || (node->type != XML_ELEMENT_NODE)) {
+ Py_INCREF(Py_None);
+ return (Py_None);
+ }
+
+ if (href == NULL) {
+ ns = node->nsDef;
+ node->nsDef = NULL;
+ c_retval = 0;
+ }
+ else {
+ prev = NULL;
+ ns = node->nsDef;
+ while (ns != NULL) {
+ if (xmlStrEqual(ns->href, href)) {
+ if (prev != NULL)
+ prev->next = ns->next;
+ else
+ node->nsDef = ns->next;
+ ns->next = NULL;
+ c_retval = 0;
+ break;
+ }
+ prev = ns;
+ ns = ns->next;
+ }
+ }
+
+ c_retval = ns;
+ 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;
+ xmlSaveCtxtPtr ctxt;
+ xmlBufferPtr buf;
+ int options = 0;
+
+ 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;
+ node = NULL;
+#ifdef LIBXML_HTML_ENABLED
+ } else if (node->type == XML_HTML_DOCUMENT_NODE) {
+ doc = (xmlDocPtr) node;
+ node = NULL;
+#endif
+ } else {
+ if (node->type == XML_NAMESPACE_DECL)
+ doc = NULL;
+ else
+ doc = node->doc;
+ if ((doc == NULL) || (doc->type == XML_DOCUMENT_NODE)) {
+#ifdef LIBXML_HTML_ENABLED
+ } else if (doc->type == XML_HTML_DOCUMENT_NODE) {
+#endif /* LIBXML_HTML_ENABLED */
+ } else {
+ Py_INCREF(Py_None);
+ return (Py_None);
+ }
+ }
+
+
+ buf = xmlBufferCreate();
+ if (buf == NULL) {
+ Py_INCREF(Py_None);
+ return (Py_None);
+ }
+ if (format) options |= XML_SAVE_FORMAT;
+ ctxt = xmlSaveToBuffer(buf, encoding, options);
+ if (ctxt == NULL) {
+ xmlBufferFree(buf);
+ Py_INCREF(Py_None);
+ return (Py_None);
+ }
+ if (node == NULL)
+ xmlSaveDoc(ctxt, doc);
+ else
+ xmlSaveTree(ctxt, node);
+ xmlSaveClose(ctxt);
+
+ c_retval = buf->content;
+ buf->content = NULL;
+
+ xmlBufferFree(buf);
+ py_retval = libxml_charPtrWrap((char *) c_retval);
+
+ 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 (PyLong_FromLong((long) -1));
+ }
+ output = PyFile_Get(py_file);
+ if (output == NULL) {
+ return (PyLong_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;
+ }
+#ifdef LIBXML_HTML_ENABLED
+ if (doc->type == XML_HTML_DOCUMENT_NODE) {
+ if (encoding == NULL)
+ encoding = (const char *) htmlGetMetaEncoding(doc);
+ }
+#endif /* LIBXML_HTML_ENABLED */
+ if (encoding != NULL) {
+ handler = xmlFindCharEncodingHandler(encoding);
+ if (handler == NULL) {
+ return (PyLong_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);
+#ifdef LIBXML_HTML_ENABLED
+ } 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);
+#endif /* LIBXML_HTML_ENABLED */
+ } else {
+ xmlNodeDumpOutput(buf, doc, node, 0, format, encoding);
+ len = xmlOutputBufferClose(buf);
+ }
+ PyFile_Release(output);
+ return (PyLong_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);
+}
+
+typedef struct
+{
+ PyObject *warn;
+ PyObject *error;
+ PyObject *arg;
+} xmlSchemaValidCtxtPyCtxt;
+typedef xmlSchemaValidCtxtPyCtxt *xmlSchemaValidCtxtPyCtxtPtr;
+
+static void
+libxml_xmlSchemaValidityGenericErrorFuncHandler(void *ctx, char *str)
+{
+ PyObject *list;
+ PyObject *result;
+ xmlSchemaValidCtxtPyCtxtPtr pyCtxt;
+
+#ifdef DEBUG_ERROR
+ printf("libxml_xmlSchemaValiditiyGenericErrorFuncHandler(%p, %s, ...) called\n", ctx, str);
+#endif
+
+ pyCtxt = (xmlSchemaValidCtxtPyCtxtPtr) 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_xmlSchemaValidityGenericWarningFuncHandler(void *ctx, char *str)
+{
+ PyObject *list;
+ PyObject *result;
+ xmlSchemaValidCtxtPyCtxtPtr pyCtxt;
+
+#ifdef DEBUG_ERROR
+ printf("libxml_xmlSchemaValidityGenericWarningFuncHandler(%p, %s, ...) called\n", ctx, str);
+#endif
+
+ pyCtxt = (xmlSchemaValidCtxtPyCtxtPtr) 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_xmlSchemaValidityErrorFunc(void *ctx, const char *msg, ...)
+{
+ va_list ap;
+
+ va_start(ap, msg);
+ libxml_xmlSchemaValidityGenericErrorFuncHandler(ctx, libxml_buildMessage(msg, ap));
+ va_end(ap);
+}
+
+static void
+libxml_xmlSchemaValidityWarningFunc(void *ctx, const char *msg, ...)
+{
+ va_list ap;
+
+ va_start(ap, msg);
+ libxml_xmlSchemaValidityGenericWarningFuncHandler(ctx, libxml_buildMessage(msg, ap));
+ va_end(ap);
+}
+
+PyObject *
+libxml_xmlSchemaSetValidErrors(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
+{
+ PyObject *py_retval;
+ PyObject *pyobj_error;
+ PyObject *pyobj_warn;
+ PyObject *pyobj_ctx;
+ PyObject *pyobj_arg = Py_None;
+ xmlSchemaValidCtxtPtr ctxt;
+ xmlSchemaValidCtxtPyCtxtPtr pyCtxt;
+
+ if (!PyArg_ParseTuple
+ (args, (char *) "OOO|O:xmlSchemaSetValidErrors", &pyobj_ctx, &pyobj_error, &pyobj_warn, &pyobj_arg))
+ return (NULL);
+
+#ifdef DEBUG_ERROR
+ printf("libxml_xmlSchemaSetValidErrors(%p, %p, %p) called\n", pyobj_ctx, pyobj_error, pyobj_warn);
+#endif
+
+ ctxt = PySchemaValidCtxt_Get(pyobj_ctx);
+ if (xmlSchemaGetValidErrors(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(xmlSchemaValidCtxtPyCtxt));
+ if (pyCtxt == NULL) {
+ py_retval = libxml_intWrap(-1);
+ return(py_retval);
+ }
+ memset(pyCtxt, 0, sizeof(xmlSchemaValidCtxtPyCtxt));
+ }
+
+ /* 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;
+
+ xmlSchemaSetValidErrors(ctxt, &libxml_xmlSchemaValidityErrorFunc, &libxml_xmlSchemaValidityWarningFunc, pyCtxt);
+
+ py_retval = libxml_intWrap(1);
+ return(py_retval);
+}
+
+static PyObject *
+libxml_xmlSchemaFreeValidCtxt(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
+{
+ xmlSchemaValidCtxtPtr ctxt;
+ xmlSchemaValidCtxtPyCtxtPtr pyCtxt;
+ PyObject *pyobj_ctxt;
+
+ if (!PyArg_ParseTuple(args, (char *)"O:xmlSchemaFreeValidCtxt", &pyobj_ctxt))
+ return(NULL);
+ ctxt = (xmlSchemaValidCtxtPtr) PySchemaValidCtxt_Get(pyobj_ctxt);
+
+ if (xmlSchemaGetValidErrors(ctxt, NULL, NULL, (void **) &pyCtxt) == 0)
+ {
+ if (pyCtxt != NULL)
+ {
+ Py_XDECREF(pyCtxt->error);
+ Py_XDECREF(pyCtxt->warn);
+ Py_XDECREF(pyCtxt->arg);
+ xmlFree(pyCtxt);
+ }
+ }
+
+ xmlSchemaFreeValidCtxt(ctxt);
+ Py_INCREF(Py_None);
+ return(Py_None);
+}
+
+#endif
+
+#ifdef LIBXML_C14N_ENABLED
+#ifdef LIBXML_OUTPUT_ENABLED
+
+/************************************************************************
+ * *
+ * XML Canonicalization c14n *
+ * *
+ ************************************************************************/
+
+static int
+PyxmlNodeSet_Convert(PyObject *py_nodeset, xmlNodeSetPtr *result)
+{
+ xmlNodeSetPtr nodeSet;
+ int is_tuple = 0;
+
+ if (PyTuple_Check(py_nodeset))
+ is_tuple = 1;
+ else if (PyList_Check(py_nodeset))
+ is_tuple = 0;
+ else if (py_nodeset == Py_None) {
+ *result = NULL;
+ return 0;
+ }
+ else {
+ PyErr_SetString(PyExc_TypeError,
+ "must be a tuple or list of nodes.");
+ return -1;
+ }
+
+ nodeSet = (xmlNodeSetPtr) xmlMalloc(sizeof(xmlNodeSet));
+ if (nodeSet == NULL) {
+ PyErr_SetString(PyExc_MemoryError, "");
+ return -1;
+ }
+
+ nodeSet->nodeNr = 0;
+ nodeSet->nodeMax = (is_tuple
+ ? PyTuple_GET_SIZE(py_nodeset)
+ : PyList_GET_SIZE(py_nodeset));
+ nodeSet->nodeTab
+ = (xmlNodePtr *) xmlMalloc (nodeSet->nodeMax
+ * sizeof(xmlNodePtr));
+ if (nodeSet->nodeTab == NULL) {
+ xmlFree(nodeSet);
+ PyErr_SetString(PyExc_MemoryError, "");
+ return -1;
+ }
+ memset(nodeSet->nodeTab, 0 ,
+ nodeSet->nodeMax * sizeof(xmlNodePtr));
+
+ {
+ int idx;
+ for (idx=0; idx < nodeSet->nodeMax; ++idx) {
+ xmlNodePtr pynode =
+ PyxmlNode_Get (is_tuple
+ ? PyTuple_GET_ITEM(py_nodeset, idx)
+ : PyList_GET_ITEM(py_nodeset, idx));
+ if (pynode)
+ nodeSet->nodeTab[nodeSet->nodeNr++] = pynode;
+ }
+ }
+ *result = nodeSet;
+ return 0;
+}
+
+static int
+PystringSet_Convert(PyObject *py_strings, xmlChar *** result)
+{
+ /* NOTE: the array should be freed, but the strings are shared
+ with the python strings and so must not be freed. */
+
+ xmlChar ** strings;
+ int is_tuple = 0;
+ int count;
+ int init_index = 0;
+
+ if (PyTuple_Check(py_strings))
+ is_tuple = 1;
+ else if (PyList_Check(py_strings))
+ is_tuple = 0;
+ else if (py_strings == Py_None) {
+ *result = NULL;
+ return 0;
+ }
+ else {
+ PyErr_SetString(PyExc_TypeError,
+ "must be a tuple or list of strings.");
+ return -1;
+ }
+
+ count = (is_tuple
+ ? PyTuple_GET_SIZE(py_strings)
+ : PyList_GET_SIZE(py_strings));
+
+ strings = (xmlChar **) xmlMalloc(sizeof(xmlChar *) * count);
+
+ if (strings == NULL) {
+ PyErr_SetString(PyExc_MemoryError, "");
+ return -1;
+ }
+
+ memset(strings, 0 , sizeof(xmlChar *) * count);
+
+ {
+ int idx;
+ for (idx=0; idx < count; ++idx) {
+ char* s = PyBytes_AsString
+ (is_tuple
+ ? PyTuple_GET_ITEM(py_strings, idx)
+ : PyList_GET_ITEM(py_strings, idx));
+ if (s)
+ strings[init_index++] = (xmlChar *)s;
+ else {
+ xmlFree(strings);
+ PyErr_SetString(PyExc_TypeError,
+ "must be a tuple or list of strings.");
+ return -1;
+ }
+ }
+ }
+
+ *result = strings;
+ return 0;
+}
+
+static PyObject *
+libxml_C14NDocDumpMemory(ATTRIBUTE_UNUSED PyObject * self,
+ PyObject * args)
+{
+ PyObject *py_retval = NULL;
+
+ PyObject *pyobj_doc;
+ PyObject *pyobj_nodes;
+ int exclusive;
+ PyObject *pyobj_prefixes;
+ int with_comments;
+
+ xmlDocPtr doc;
+ xmlNodeSetPtr nodes;
+ xmlChar **prefixes = NULL;
+ xmlChar *doc_txt;
+
+ int result;
+
+ if (!PyArg_ParseTuple(args, (char *) "OOiOi:C14NDocDumpMemory",
+ &pyobj_doc,
+ &pyobj_nodes,
+ &exclusive,
+ &pyobj_prefixes,
+ &with_comments))
+ return (NULL);
+
+ doc = (xmlDocPtr) PyxmlNode_Get(pyobj_doc);
+ if (!doc) {
+ PyErr_SetString(PyExc_TypeError, "bad document.");
+ return NULL;
+ }
+
+ result = PyxmlNodeSet_Convert(pyobj_nodes, &nodes);
+ if (result < 0) return NULL;
+
+ if (exclusive) {
+ result = PystringSet_Convert(pyobj_prefixes, &prefixes);
+ if (result < 0) {
+ if (nodes) {
+ xmlFree(nodes->nodeTab);
+ xmlFree(nodes);
+ }
+ return NULL;
+ }
+ }
+
+ result = xmlC14NDocDumpMemory(doc,
+ nodes,
+ exclusive,
+ prefixes,
+ with_comments,
+ &doc_txt);
+
+ if (nodes) {
+ xmlFree(nodes->nodeTab);
+ xmlFree(nodes);
+ }
+ if (prefixes) {
+ xmlChar ** idx = prefixes;
+ while (*idx) xmlFree(*(idx++));
+ xmlFree(prefixes);
+ }
+
+ if (result < 0) {
+ PyErr_SetString(PyExc_Exception,
+ "libxml2 xmlC14NDocDumpMemory failure.");
+ return NULL;
+ }
+ else {
+ py_retval = PY_IMPORT_STRING_SIZE((const char *) doc_txt,
+ result);
+ xmlFree(doc_txt);
+ return py_retval;
+ }
+}
+
+static PyObject *
+libxml_C14NDocSaveTo(ATTRIBUTE_UNUSED PyObject * self,
+ PyObject * args)
+{
+ PyObject *pyobj_doc;
+ PyObject *py_file;
+ PyObject *pyobj_nodes;
+ int exclusive;
+ PyObject *pyobj_prefixes;
+ int with_comments;
+
+ xmlDocPtr doc;
+ xmlNodeSetPtr nodes;
+ xmlChar **prefixes = NULL;
+ FILE * output;
+ xmlOutputBufferPtr buf;
+
+ int result;
+ int len;
+
+ if (!PyArg_ParseTuple(args, (char *) "OOiOiO:C14NDocSaveTo",
+ &pyobj_doc,
+ &pyobj_nodes,
+ &exclusive,
+ &pyobj_prefixes,
+ &with_comments,
+ &py_file))
+ return (NULL);
+
+ doc = (xmlDocPtr) PyxmlNode_Get(pyobj_doc);
+ if (!doc) {
+ PyErr_SetString(PyExc_TypeError, "bad document.");
+ return NULL;
+ }
+
+ output = PyFile_Get(py_file);
+ if (output == NULL) {
+ PyErr_SetString(PyExc_TypeError, "bad file.");
+ return NULL;
+ }
+ buf = xmlOutputBufferCreateFile(output, NULL);
+
+ result = PyxmlNodeSet_Convert(pyobj_nodes, &nodes);
+ if (result < 0) return NULL;
+
+ if (exclusive) {
+ result = PystringSet_Convert(pyobj_prefixes, &prefixes);
+ if (result < 0) {
+ if (nodes) {
+ xmlFree(nodes->nodeTab);
+ xmlFree(nodes);
+ }
+ return NULL;
+ }
+ }
+
+ result = xmlC14NDocSaveTo(doc,
+ nodes,
+ exclusive,
+ prefixes,
+ with_comments,
+ buf);
+
+ if (nodes) {
+ xmlFree(nodes->nodeTab);
+ xmlFree(nodes);
+ }
+ if (prefixes) {
+ xmlChar ** idx = prefixes;
+ while (*idx) xmlFree(*(idx++));
+ xmlFree(prefixes);
+ }
+
+ PyFile_Release(output);
+ len = xmlOutputBufferClose(buf);
+
+ if (result < 0) {
+ PyErr_SetString(PyExc_Exception,
+ "libxml2 xmlC14NDocSaveTo failure.");
+ return NULL;
+ }
+ else
+ return PyLong_FromLong((long) len);
+}
+
+#endif
+#endif
+
+static PyObject *
+libxml_getObjDesc(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
+
+ PyObject *obj;
+ char *str;
+
+ if (!PyArg_ParseTuple(args, (char *)"O:getObjDesc", &obj))
+ return NULL;
+ str = PyCapsule_GetPointer(obj, PyCapsule_GetName(obj));
+ return Py_BuildValue((char *)"s", str);
+}
+
+static PyObject *
+libxml_compareNodesEqual(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
+
+ PyObject *py_node1, *py_node2;
+ xmlNodePtr node1, node2;
+
+ if (!PyArg_ParseTuple(args, (char *)"OO:compareNodesEqual",
+ &py_node1, &py_node2))
+ return NULL;
+ /* To compare two node objects, we compare their pointer addresses */
+ node1 = PyxmlNode_Get(py_node1);
+ node2 = PyxmlNode_Get(py_node2);
+ if ( node1 == node2 )
+ return Py_BuildValue((char *)"i", 1);
+ else
+ return Py_BuildValue((char *)"i", 0);
+
+}
+
+static PyObject *
+libxml_nodeHash(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
+
+ PyObject *py_node1;
+ xmlNodePtr node1;
+
+ if (!PyArg_ParseTuple(args, (char *)"O:nodeHash", &py_node1))
+ return NULL;
+ /* For simplicity, we use the node pointer address as a hash value */
+ node1 = PyxmlNode_Get(py_node1);
+
+ return PyLong_FromVoidPtr(node1);
+
+}
+
+/************************************************************************
+ * *
+ * 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},
+ {(char *) "xmlNodeRemoveNsDef", libxml_xmlNodeRemoveNsDef, METH_VARARGS, NULL},
+ {(char *)"xmlSetValidErrors", libxml_xmlSetValidErrors, METH_VARARGS, NULL},
+ {(char *)"xmlFreeValidCtxt", libxml_xmlFreeValidCtxt, 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 },
+ { (char *)"xmlSaveFileTo", libxml_xmlSaveFileTo, METH_VARARGS, NULL },
+ { (char *)"xmlSaveFormatFileTo", libxml_xmlSaveFormatFileTo, 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 },
+#ifdef LIBXML_READER_ENABLED
+ {(char *)"xmlTextReaderSetErrorHandler", libxml_xmlTextReaderSetErrorHandler, METH_VARARGS, NULL },
+ {(char *)"xmlTextReaderGetErrorHandler", libxml_xmlTextReaderGetErrorHandler, METH_VARARGS, NULL },
+ {(char *)"xmlFreeTextReader", libxml_xmlFreeTextReader, METH_VARARGS, NULL },
+#endif
+ {(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},
+ {(char *)"xmlSchemaSetValidErrors", libxml_xmlSchemaSetValidErrors, METH_VARARGS, NULL},
+ {(char *)"xmlSchemaFreeValidCtxt", libxml_xmlSchemaFreeValidCtxt, METH_VARARGS, NULL},
+#endif
+#ifdef LIBXML_C14N_ENABLED
+#ifdef LIBXML_OUTPUT_ENABLED
+ {(char *)"xmlC14NDocDumpMemory", libxml_C14NDocDumpMemory, METH_VARARGS, NULL},
+ {(char *)"xmlC14NDocSaveTo", libxml_C14NDocSaveTo, METH_VARARGS, NULL},
+#endif
+#endif
+ {(char *) "getObjDesc", libxml_getObjDesc, METH_VARARGS, NULL},
+ {(char *) "compareNodesEqual", libxml_compareNodesEqual, METH_VARARGS, NULL},
+ {(char *) "nodeHash", libxml_nodeHash, METH_VARARGS, NULL},
+ {(char *) "xmlRegisterInputCallback", libxml_xmlRegisterInputCallback, METH_VARARGS, NULL},
+ {(char *) "xmlUnregisterInputCallback", libxml_xmlUnregisterInputCallback, METH_VARARGS, NULL},
+ {NULL, NULL, 0, NULL}
+};
+
+#if PY_MAJOR_VERSION >= 3
+#define INITERROR return NULL
+
+static struct PyModuleDef moduledef = {
+ PyModuleDef_HEAD_INIT,
+ "libxml2mod",
+ NULL,
+ -1,
+ libxmlMethods,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+};
+
+#else
+#define INITERROR return
+
+#ifdef MERGED_MODULES
+extern void initlibxsltmod(void);
+#endif
+
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+PyObject *PyInit_libxml2mod(void)
+#else
+void initlibxml2mod(void)
+#endif
+{
+ PyObject *module;
+
+#if PY_MAJOR_VERSION >= 3
+ module = PyModule_Create(&moduledef);
+#else
+ /* intialize the python extension module */
+ module = Py_InitModule((char *) "libxml2mod", libxmlMethods);
+#endif
+ if (module == NULL)
+ INITERROR;
+
+ /* initialize libxml2 */
+ xmlInitParser();
+ /* TODO this probably need to be revamped for Python3 */
+ libxml_xmlErrorInitialize();
+
+#if PY_MAJOR_VERSION < 3
+#ifdef MERGED_MODULES
+ initlibxsltmod();
+#endif
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+ return module;
+#endif
+}
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