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libxml2/python/types.c
Chun-wei Fan 6e169c1490 python: Port python 3.x module to Windows 
On Windows, we don't have fcntl() which helps us to find out how a file was
opened, so we need to resort to the Windows API NtQueryInformationFile() in
ntdll.dll to help us, and compare the file access modes as appropriate to
deduce the modes we want to pass into fdopen().

As all official Python 3.x releases are built against newer Windows CRTs that
toughen checks on the validity of the file descriptor when we convert the fd to
a native Windows File Handle using _get_osfhandle(), we need to define an empty
handler so that the program does not abort if the fd that was passed in was
invalid; instead, we just return NULL if _get_osfhandle() could not return us a
valid Windows File Handle.
2022-01-16 15:18:06 +01:00

1080 lines
25 KiB
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Raw Blame History

/*
* types.c: converter functions between the internal representation
* and the Python objects
*
* See Copyright for the status of this software.
*
* daniel@veillard.com
*/
#include "libxml_wrap.h"
#include <libxml/xpathInternals.h>
#if PY_MAJOR_VERSION >= 3
#define PY_IMPORT_STRING_SIZE PyUnicode_FromStringAndSize
#define PY_IMPORT_STRING PyUnicode_FromString
#define PY_IMPORT_INT PyLong_FromLong
#else
#define PY_IMPORT_STRING_SIZE PyString_FromStringAndSize
#define PY_IMPORT_STRING PyString_FromString
#define PY_IMPORT_INT PyInt_FromLong
#endif
#if PY_MAJOR_VERSION >= 3
#include <stdio.h>
#include <stdint.h>
#ifdef _WIN32
#include <windows.h>
#include <crtdbg.h>
/* Taken from info on MSDN site, as we may not have the Windows WDK/DDK headers */
typedef struct _IO_STATUS_BLOCK {
union {
NTSTATUS Status;
PVOID Pointer;
} DUMMYUNIONNAME;
ULONG_PTR Information;
} IO_STATUS_BLOCK;
typedef struct _FILE_ACCESS_INFORMATION {
ACCESS_MASK AccessFlags;
} FILE_ACCESS_INFORMATION;
typedef NTSTATUS (*t_NtQueryInformationFile) (HANDLE FileHandle,
IO_STATUS_BLOCK *IoStatusBlock,
PVOID FileInformation,
ULONG Length,
int FileInformationClass); /* this is an Enum */
#if (defined (_MSC_VER) && _MSC_VER >= 1400)
/*
* This is the (empty) invalid parameter handler
* that is used for Visual C++ 2005 (and later) builds
* so that we can use this instead of the system automatically
* aborting the process.
*
* This is necessary as we use _get_oshandle() to check the validity
* of the file descriptors as we close them, so when an invalid file
* descriptor is passed into that function as we check on it, we get
* -1 as the result, instead of the gspawn helper program aborting.
*
* Please see http://msdn.microsoft.com/zh-tw/library/ks2530z6%28v=vs.80%29.aspx
* for an explanation on this.
*/
void
myInvalidParameterHandler(const wchar_t *expression,
const wchar_t *function,
const wchar_t *file,
unsigned int line,
uintptr_t pReserved)
{
}
#endif
#else
#include <unistd.h>
#include <fcntl.h>
#endif
FILE *
libxml_PyFileGet(PyObject *f) {
int flags;
FILE *res;
const char *mode;
int fd = PyObject_AsFileDescriptor(f);
intptr_t w_fh = -1;
#ifdef _WIN32
HMODULE hntdll = NULL;
IO_STATUS_BLOCK status_block;
FILE_ACCESS_INFORMATION ai;
t_NtQueryInformationFile NtQueryInformationFile;
BOOL is_read = FALSE;
BOOL is_write = FALSE;
BOOL is_append = FALSE;
#if (defined (_MSC_VER) && _MSC_VER >= 1400)
/* set up our empty invalid parameter handler */
_invalid_parameter_handler oldHandler, newHandler;
newHandler = myInvalidParameterHandler;
oldHandler = _set_invalid_parameter_handler(newHandler);
/* Disable the message box for assertions. */
_CrtSetReportMode(_CRT_ASSERT, 0);
#endif
w_fh = _get_osfhandle(fd);
if (w_fh == -1)
return(NULL);
hntdll = GetModuleHandleW(L"ntdll.dll");
if (hntdll == NULL)
return(NULL);
NtQueryInformationFile = (t_NtQueryInformationFile)GetProcAddress(hntdll, "NtQueryInformationFile");
if (NtQueryInformationFile != NULL &&
(NtQueryInformationFile((HANDLE)w_fh,
&status_block,
&ai,
sizeof(FILE_ACCESS_INFORMATION),
8) == 0)) /* 8 means "FileAccessInformation" */
{
if (ai.AccessFlags & FILE_READ_DATA)
is_read = TRUE;
if (ai.AccessFlags & FILE_WRITE_DATA)
is_write = TRUE;
if (ai.AccessFlags & FILE_APPEND_DATA)
is_append = TRUE;
if (is_write && is_read)
if (is_append)
mode = "a+";
else
mode = "rw";
if (!is_write && is_read)
if (is_append)
mode = "r+";
else
mode = "r";
if (is_write && !is_read)
if (is_append)
mode = "a";
else
mode = "w";
}
FreeLibrary(hntdll);
if (!is_write && !is_read) /* also happens if we did not load or run NtQueryInformationFile() successfully */
return(NULL);
#else
/*
* Get the flags on the fd to understand how it was opened
*/
flags = fcntl(fd, F_GETFL, 0);
switch (flags & O_ACCMODE) {
case O_RDWR:
if (flags & O_APPEND)
mode = "a+";
else
mode = "rw";
break;
case O_RDONLY:
if (flags & O_APPEND)
mode = "r+";
else
mode = "r";
break;
case O_WRONLY:
if (flags & O_APPEND)
mode = "a";
else
mode = "w";
break;
default:
return(NULL);
}
#endif
/*
* the FILE struct gets a new fd, so that it can be closed
* independently of the file descriptor given. The risk though is
* lack of sync. So at the python level sync must be implemented
* before and after a conversion took place. No way around it
* in the Python3 infrastructure !
* The duplicated fd and FILE * will be released in the subsequent
* call to libxml_PyFileRelease() which must be generated accordingly
*/
fd = dup(fd);
if (fd == -1)
return(NULL);
res = fdopen(fd, mode);
if (res == NULL) {
close(fd);
return(NULL);
}
return(res);
}
void libxml_PyFileRelease(FILE *f) {
if (f != NULL)
fclose(f);
}
#endif
PyObject *
libxml_intWrap(int val)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_intWrap: val = %d\n", val);
#endif
ret = PY_IMPORT_INT((long) val);
return (ret);
}
PyObject *
libxml_longWrap(long val)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_longWrap: val = %ld\n", val);
#endif
ret = PyLong_FromLong(val);
return (ret);
}
PyObject *
libxml_doubleWrap(double val)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_doubleWrap: val = %f\n", val);
#endif
ret = PyFloat_FromDouble((double) val);
return (ret);
}
PyObject *
libxml_charPtrWrap(char *str)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlcharPtrWrap: str = %s\n", str);
#endif
if (str == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PY_IMPORT_STRING(str);
xmlFree(str);
return (ret);
}
PyObject *
libxml_charPtrConstWrap(const char *str)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlcharPtrWrap: str = %s\n", str);
#endif
if (str == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PY_IMPORT_STRING(str);
return (ret);
}
PyObject *
libxml_xmlCharPtrWrap(xmlChar * str)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlCharPtrWrap: str = %s\n", str);
#endif
if (str == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PY_IMPORT_STRING((char *) str);
xmlFree(str);
return (ret);
}
PyObject *
libxml_xmlCharPtrConstWrap(const xmlChar * str)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlCharPtrWrap: str = %s\n", str);
#endif
if (str == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PY_IMPORT_STRING((char *) str);
return (ret);
}
PyObject *
libxml_constcharPtrWrap(const char *str)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlcharPtrWrap: str = %s\n", str);
#endif
if (str == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PY_IMPORT_STRING(str);
return (ret);
}
PyObject *
libxml_constxmlCharPtrWrap(const xmlChar * str)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlCharPtrWrap: str = %s\n", str);
#endif
if (str == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PY_IMPORT_STRING((char *) str);
return (ret);
}
PyObject *
libxml_xmlDocPtrWrap(xmlDocPtr doc)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlDocPtrWrap: doc = %p\n", doc);
#endif
if (doc == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
/* TODO: look at deallocation */
ret = PyCapsule_New((void *) doc, (char *) "xmlDocPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlNodePtrWrap(xmlNodePtr node)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlNodePtrWrap: node = %p\n", node);
#endif
if (node == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PyCapsule_New((void *) node, (char *) "xmlNodePtr", NULL);
return (ret);
}
PyObject *
libxml_xmlURIPtrWrap(xmlURIPtr uri)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlURIPtrWrap: uri = %p\n", uri);
#endif
if (uri == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PyCapsule_New((void *) uri, (char *) "xmlURIPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlNsPtrWrap(xmlNsPtr ns)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlNsPtrWrap: node = %p\n", ns);
#endif
if (ns == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PyCapsule_New((void *) ns, (char *) "xmlNsPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlAttrPtrWrap(xmlAttrPtr attr)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlAttrNodePtrWrap: attr = %p\n", attr);
#endif
if (attr == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PyCapsule_New((void *) attr, (char *) "xmlAttrPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlAttributePtrWrap(xmlAttributePtr attr)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlAttributePtrWrap: attr = %p\n", attr);
#endif
if (attr == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PyCapsule_New((void *) attr, (char *) "xmlAttributePtr", NULL);
return (ret);
}
PyObject *
libxml_xmlElementPtrWrap(xmlElementPtr elem)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlElementNodePtrWrap: elem = %p\n", elem);
#endif
if (elem == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PyCapsule_New((void *) elem, (char *) "xmlElementPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlXPathContextPtrWrap(xmlXPathContextPtr ctxt)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlXPathContextPtrWrap: ctxt = %p\n", ctxt);
#endif
if (ctxt == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PyCapsule_New((void *) ctxt, (char *) "xmlXPathContextPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlXPathParserContextPtrWrap(xmlXPathParserContextPtr ctxt)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlXPathParserContextPtrWrap: ctxt = %p\n", ctxt);
#endif
if (ctxt == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PyCapsule_New((void *)ctxt, (char *)"xmlXPathParserContextPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlParserCtxtPtrWrap(xmlParserCtxtPtr ctxt)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlParserCtxtPtrWrap: ctxt = %p\n", ctxt);
#endif
if (ctxt == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PyCapsule_New((void *) ctxt, (char *) "xmlParserCtxtPtr", NULL);
return (ret);
}
/**
* libxml_xmlXPathDestructNsNode:
* cap: xmlNsPtr namespace node capsule object
*
* This function is called if and when a namespace node returned in
* an XPath node set is to be destroyed. That's the only kind of
* object returned in node set not directly linked to the original
* xmlDoc document, see xmlXPathNodeSetDupNs.
*/
#if PY_VERSION_HEX < 0x02070000
static void
libxml_xmlXPathDestructNsNode(void *cap, void *desc ATTRIBUTE_UNUSED)
#else
static void
libxml_xmlXPathDestructNsNode(PyObject *cap)
#endif
{
#ifdef DEBUG
fprintf(stderr, "libxml_xmlXPathDestructNsNode called %p\n", cap);
#endif
#if PY_VERSION_HEX < 0x02070000
xmlXPathNodeSetFreeNs((xmlNsPtr) cap);
#else
xmlXPathNodeSetFreeNs((xmlNsPtr) PyCapsule_GetPointer(cap, "xmlNsPtr"));
#endif
}
PyObject *
libxml_xmlXPathObjectPtrWrap(xmlXPathObjectPtr obj)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlXPathObjectPtrWrap: ctxt = %p\n", obj);
#endif
if (obj == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
switch (obj->type) {
case XPATH_XSLT_TREE: {
if ((obj->nodesetval == NULL) ||
(obj->nodesetval->nodeNr == 0) ||
(obj->nodesetval->nodeTab == NULL)) {
ret = PyList_New(0);
} else {
int i, len = 0;
xmlNodePtr node;
node = obj->nodesetval->nodeTab[0]->children;
while (node != NULL) {
len++;
node = node->next;
}
ret = PyList_New(len);
node = obj->nodesetval->nodeTab[0]->children;
for (i = 0;i < len;i++) {
PyList_SetItem(ret, i, libxml_xmlNodePtrWrap(node));
node = node->next;
}
}
/*
* Return now, do not free the object passed down
*/
return (ret);
}
case XPATH_NODESET:
if ((obj->nodesetval == NULL)
|| (obj->nodesetval->nodeNr == 0)) {
ret = PyList_New(0);
} else {
int i;
xmlNodePtr node;
ret = PyList_New(obj->nodesetval->nodeNr);
for (i = 0; i < obj->nodesetval->nodeNr; i++) {
node = obj->nodesetval->nodeTab[i];
if (node->type == XML_NAMESPACE_DECL) {
PyObject *ns = PyCapsule_New((void *) node,
(char *) "xmlNsPtr",
libxml_xmlXPathDestructNsNode);
PyList_SetItem(ret, i, ns);
/* make sure the xmlNsPtr is not destroyed now */
obj->nodesetval->nodeTab[i] = NULL;
} else {
PyList_SetItem(ret, i, libxml_xmlNodePtrWrap(node));
}
}
}
break;
case XPATH_BOOLEAN:
ret = PY_IMPORT_INT((long) obj->boolval);
break;
case XPATH_NUMBER:
ret = PyFloat_FromDouble(obj->floatval);
break;
case XPATH_STRING:
ret = PY_IMPORT_STRING((char *) obj->stringval);
break;
case XPATH_POINT:
{
PyObject *node;
PyObject *indexIntoNode;
PyObject *tuple;
node = libxml_xmlNodePtrWrap(obj->user);
indexIntoNode = PY_IMPORT_INT((long) obj->index);
tuple = PyTuple_New(2);
PyTuple_SetItem(tuple, 0, node);
PyTuple_SetItem(tuple, 1, indexIntoNode);
ret = tuple;
break;
}
case XPATH_RANGE:
{
unsigned short bCollapsedRange;
bCollapsedRange = ( (obj->user2 == NULL) ||
((obj->user2 == obj->user) && (obj->index == obj->index2)) );
if ( bCollapsedRange ) {
PyObject *node;
PyObject *indexIntoNode;
PyObject *tuple;
PyObject *list;
list = PyList_New(1);
node = libxml_xmlNodePtrWrap(obj->user);
indexIntoNode = PY_IMPORT_INT((long) obj->index);
tuple = PyTuple_New(2);
PyTuple_SetItem(tuple, 0, node);
PyTuple_SetItem(tuple, 1, indexIntoNode);
PyList_SetItem(list, 0, tuple);
ret = list;
} else {
PyObject *node;
PyObject *indexIntoNode;
PyObject *tuple;
PyObject *list;
list = PyList_New(2);
node = libxml_xmlNodePtrWrap(obj->user);
indexIntoNode = PY_IMPORT_INT((long) obj->index);
tuple = PyTuple_New(2);
PyTuple_SetItem(tuple, 0, node);
PyTuple_SetItem(tuple, 1, indexIntoNode);
PyList_SetItem(list, 0, tuple);
node = libxml_xmlNodePtrWrap(obj->user2);
indexIntoNode = PY_IMPORT_INT((long) obj->index2);
tuple = PyTuple_New(2);
PyTuple_SetItem(tuple, 0, node);
PyTuple_SetItem(tuple, 1, indexIntoNode);
PyList_SetItem(list, 1, tuple);
ret = list;
}
break;
}
case XPATH_LOCATIONSET:
{
xmlLocationSetPtr set;
set = obj->user;
if ( set && set->locNr > 0 ) {
int i;
PyObject *list;
list = PyList_New(set->locNr);
for (i=0; i<set->locNr; i++) {
xmlXPathObjectPtr setobj;
PyObject *pyobj;
setobj = set->locTab[i]; /*xmlXPathObjectPtr setobj*/
pyobj = libxml_xmlXPathObjectPtrWrap(setobj);
/* xmlXPathFreeObject(setobj) is called */
set->locTab[i] = NULL;
PyList_SetItem(list, i, pyobj);
}
set->locNr = 0;
ret = list;
} else {
Py_INCREF(Py_None);
ret = Py_None;
}
break;
}
default:
#ifdef DEBUG
printf("Unable to convert XPath object type %d\n", obj->type);
#endif
Py_INCREF(Py_None);
ret = Py_None;
}
xmlXPathFreeObject(obj);
return (ret);
}
xmlXPathObjectPtr
libxml_xmlXPathObjectPtrConvert(PyObject *obj)
{
xmlXPathObjectPtr ret = NULL;
#ifdef DEBUG
printf("libxml_xmlXPathObjectPtrConvert: obj = %p\n", obj);
#endif
if (obj == NULL) {
return (NULL);
}
if (PyFloat_Check (obj)) {
ret = xmlXPathNewFloat((double) PyFloat_AS_DOUBLE(obj));
} else if (PyLong_Check(obj)) {
#ifdef PyLong_AS_LONG
ret = xmlXPathNewFloat((double) PyLong_AS_LONG(obj));
#else
ret = xmlXPathNewFloat((double) PyInt_AS_LONG(obj));
#endif
#ifdef PyBool_Check
} else if (PyBool_Check (obj)) {
if (obj == Py_True) {
ret = xmlXPathNewBoolean(1);
}
else {
ret = xmlXPathNewBoolean(0);
}
#endif
} else if (PyBytes_Check (obj)) {
xmlChar *str;
str = xmlStrndup((const xmlChar *) PyBytes_AS_STRING(obj),
PyBytes_GET_SIZE(obj));
ret = xmlXPathWrapString(str);
#ifdef PyUnicode_Check
} else if (PyUnicode_Check (obj)) {
#if PY_VERSION_HEX >= 0x03030000
xmlChar *str;
const char *tmp;
Py_ssize_t size;
/* tmp doesn't need to be deallocated */
tmp = PyUnicode_AsUTF8AndSize(obj, &size);
str = xmlStrndup((const xmlChar *) tmp, (int) size);
ret = xmlXPathWrapString(str);
#else
xmlChar *str = NULL;
PyObject *b;
b = PyUnicode_AsUTF8String(obj);
if (b != NULL) {
str = xmlStrndup((const xmlChar *) PyBytes_AS_STRING(b),
PyBytes_GET_SIZE(b));
Py_DECREF(b);
}
ret = xmlXPathWrapString(str);
#endif
#endif
} else if (PyList_Check (obj)) {
int i;
PyObject *node;
xmlNodePtr cur;
xmlNodeSetPtr set;
set = xmlXPathNodeSetCreate(NULL);
for (i = 0; i < PyList_Size(obj); i++) {
node = PyList_GetItem(obj, i);
if ((node == NULL) || (node->ob_type == NULL))
continue;
cur = NULL;
if (PyCapsule_CheckExact(node)) {
#ifdef DEBUG
printf("Got a Capsule\n");
#endif
cur = PyxmlNode_Get(node);
} else if ((PyObject_HasAttrString(node, (char *) "_o")) &&
(PyObject_HasAttrString(node, (char *) "get_doc"))) {
PyObject *wrapper;
wrapper = PyObject_GetAttrString(node, (char *) "_o");
if (wrapper != NULL)
cur = PyxmlNode_Get(wrapper);
} else {
#ifdef DEBUG
printf("Unknown object in Python return list\n");
#endif
}
if (cur != NULL) {
xmlXPathNodeSetAdd(set, cur);
}
}
ret = xmlXPathWrapNodeSet(set);
} else {
#ifdef DEBUG
printf("Unable to convert Python Object to XPath");
#endif
}
return (ret);
}
PyObject *
libxml_xmlValidCtxtPtrWrap(xmlValidCtxtPtr valid)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlValidCtxtPtrWrap: valid = %p\n", valid);
#endif
if (valid == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret =
PyCapsule_New((void *) valid,
(char *) "xmlValidCtxtPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlCatalogPtrWrap(xmlCatalogPtr catal)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlNodePtrWrap: catal = %p\n", catal);
#endif
if (catal == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret =
PyCapsule_New((void *) catal,
(char *) "xmlCatalogPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlOutputBufferPtrWrap(xmlOutputBufferPtr buffer)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlOutputBufferPtrWrap: buffer = %p\n", buffer);
#endif
if (buffer == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret =
PyCapsule_New((void *) buffer,
(char *) "xmlOutputBufferPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlParserInputBufferPtrWrap(xmlParserInputBufferPtr buffer)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlParserInputBufferPtrWrap: buffer = %p\n", buffer);
#endif
if (buffer == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret =
PyCapsule_New((void *) buffer,
(char *) "xmlParserInputBufferPtr", NULL);
return (ret);
}
#ifdef LIBXML_REGEXP_ENABLED
PyObject *
libxml_xmlRegexpPtrWrap(xmlRegexpPtr regexp)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlRegexpPtrWrap: regexp = %p\n", regexp);
#endif
if (regexp == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret =
PyCapsule_New((void *) regexp,
(char *) "xmlRegexpPtr", NULL);
return (ret);
}
#endif /* LIBXML_REGEXP_ENABLED */
#ifdef LIBXML_READER_ENABLED
PyObject *
libxml_xmlTextReaderPtrWrap(xmlTextReaderPtr reader)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlTextReaderPtrWrap: reader = %p\n", reader);
#endif
if (reader == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret =
PyCapsule_New((void *) reader,
(char *) "xmlTextReaderPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlTextReaderLocatorPtrWrap(xmlTextReaderLocatorPtr locator)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlTextReaderLocatorPtrWrap: locator = %p\n", locator);
#endif
if (locator == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret =
PyCapsule_New((void *) locator,
(char *) "xmlTextReaderLocatorPtr", NULL);
return (ret);
}
#endif /* LIBXML_READER_ENABLED */
#ifdef LIBXML_SCHEMAS_ENABLED
PyObject *
libxml_xmlRelaxNGPtrWrap(xmlRelaxNGPtr ctxt)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlRelaxNGPtrWrap: ctxt = %p\n", ctxt);
#endif
if (ctxt == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret =
PyCapsule_New((void *) ctxt,
(char *) "xmlRelaxNGPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlRelaxNGParserCtxtPtrWrap(xmlRelaxNGParserCtxtPtr ctxt)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlRelaxNGParserCtxtPtrWrap: ctxt = %p\n", ctxt);
#endif
if (ctxt == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret =
PyCapsule_New((void *) ctxt,
(char *) "xmlRelaxNGParserCtxtPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlRelaxNGValidCtxtPtrWrap(xmlRelaxNGValidCtxtPtr valid)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlRelaxNGValidCtxtPtrWrap: valid = %p\n", valid);
#endif
if (valid == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret =
PyCapsule_New((void *) valid,
(char *) "xmlRelaxNGValidCtxtPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlSchemaPtrWrap(xmlSchemaPtr ctxt)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlSchemaPtrWrap: ctxt = %p\n", ctxt);
#endif
if (ctxt == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret =
PyCapsule_New((void *) ctxt,
(char *) "xmlSchemaPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlSchemaParserCtxtPtrWrap(xmlSchemaParserCtxtPtr ctxt)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlSchemaParserCtxtPtrWrap: ctxt = %p\n", ctxt);
#endif
if (ctxt == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret =
PyCapsule_New((void *) ctxt,
(char *) "xmlSchemaParserCtxtPtr", NULL);
return (ret);
}
PyObject *
libxml_xmlSchemaValidCtxtPtrWrap(xmlSchemaValidCtxtPtr valid)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlSchemaValidCtxtPtrWrap: valid = %p\n", valid);
#endif
if (valid == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret =
PyCapsule_New((void *) valid,
(char *) "xmlSchemaValidCtxtPtr", NULL);
return (ret);
}
#endif /* LIBXML_SCHEMAS_ENABLED */
PyObject *
libxml_xmlErrorPtrWrap(xmlErrorPtr error)
{
PyObject *ret;
#ifdef DEBUG
printf("libxml_xmlErrorPtrWrap: error = %p\n", error);
#endif
if (error == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret = PyCapsule_New((void *) error, (char *) "xmlErrorPtr", NULL);
return (ret);
}
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