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Viewing File: /opt/imunify360/venv/lib/python3.11/site-packages/lxml/parsertarget.pxi
# Parser target context (ET target interface)
cdef object inspect_getargspec
try:
from inspect import getfullargspec as inspect_getargspec
except ImportError:
from inspect import getargspec as inspect_getargspec
class _TargetParserResult(Exception):
# Admittedly, this is somewhat ugly, but it's the easiest way
# to push the Python level parser result through the parser
# machinery towards the API level functions
def __init__(self, result):
self.result = result
@cython.final
@cython.internal
cdef class _PythonSaxParserTarget(_SaxParserTarget):
cdef object _target_start
cdef object _target_end
cdef object _target_data
cdef object _target_start_ns
cdef object _target_end_ns
cdef object _target_doctype
cdef object _target_pi
cdef object _target_comment
cdef bint _start_takes_nsmap
def __cinit__(self, target):
cdef int event_filter
event_filter = 0
self._start_takes_nsmap = 0
try:
self._target_start = target.start
if self._target_start is not None:
event_filter |= SAX_EVENT_START
except AttributeError:
pass
else:
try:
arguments = inspect_getargspec(self._target_start)
if len(arguments[0]) > 3 or arguments[1] is not None:
self._start_takes_nsmap = 1
except TypeError:
pass
try:
self._target_end = target.end
if self._target_end is not None:
event_filter |= SAX_EVENT_END
except AttributeError:
pass
try:
self._target_start_ns = target.start_ns
if self._target_start_ns is not None:
event_filter |= SAX_EVENT_START_NS
except AttributeError:
pass
try:
self._target_end_ns = target.end_ns
if self._target_end_ns is not None:
event_filter |= SAX_EVENT_END_NS
except AttributeError:
pass
try:
self._target_data = target.data
if self._target_data is not None:
event_filter |= SAX_EVENT_DATA
except AttributeError:
pass
try:
self._target_doctype = target.doctype
if self._target_doctype is not None:
event_filter |= SAX_EVENT_DOCTYPE
except AttributeError:
pass
try:
self._target_pi = target.pi
if self._target_pi is not None:
event_filter |= SAX_EVENT_PI
except AttributeError:
pass
try:
self._target_comment = target.comment
if self._target_comment is not None:
event_filter |= SAX_EVENT_COMMENT
except AttributeError:
pass
self._sax_event_filter = event_filter
cdef _handleSaxStart(self, tag, attrib, nsmap):
if self._start_takes_nsmap:
return self._target_start(tag, attrib, nsmap)
else:
return self._target_start(tag, attrib)
cdef _handleSaxEnd(self, tag):
return self._target_end(tag)
cdef _handleSaxStartNs(self, prefix, uri):
return self._target_start_ns(prefix, uri)
cdef _handleSaxEndNs(self, prefix):
return self._target_end_ns(prefix)
cdef int _handleSaxData(self, data) except -1:
self._target_data(data)
cdef int _handleSaxDoctype(self, root_tag, public_id, system_id) except -1:
self._target_doctype(root_tag, public_id, system_id)
cdef _handleSaxPi(self, target, data):
return self._target_pi(target, data)
cdef _handleSaxComment(self, comment):
return self._target_comment(comment)
@cython.final
@cython.internal
@cython.no_gc_clear # Required because parent class uses it - Cython bug.
cdef class _TargetParserContext(_SaxParserContext):
u"""This class maps SAX2 events to the ET parser target interface.
"""
cdef object _python_target
cdef int _setTarget(self, target) except -1:
self._python_target = target
if not isinstance(target, _SaxParserTarget) or \
hasattr(target, u'__dict__'):
target = _PythonSaxParserTarget(target)
self._setSaxParserTarget(target)
return 0
cdef _ParserContext _copy(self):
cdef _TargetParserContext context
context = _ParserContext._copy(self)
context._setTarget(self._python_target)
return context
cdef void _cleanupTargetParserContext(self, xmlDoc* result):
if self._c_ctxt.myDoc is not NULL:
if self._c_ctxt.myDoc is not result and \
self._c_ctxt.myDoc._private is NULL:
# no _Document proxy => orphen
tree.xmlFreeDoc(self._c_ctxt.myDoc)
self._c_ctxt.myDoc = NULL
cdef object _handleParseResult(self, _BaseParser parser, xmlDoc* result,
filename):
cdef bint recover
recover = parser._parse_options & xmlparser.XML_PARSE_RECOVER
try:
if self._has_raised():
self._cleanupTargetParserContext(result)
self._raise_if_stored()
if not self._c_ctxt.wellFormed and not recover:
_raiseParseError(self._c_ctxt, filename, self._error_log)
except:
if python.IS_PYTHON2:
exc = sys.exc_info()
# Python 2 can't chain exceptions
try: self._python_target.close()
except: pass
raise exc[0], exc[1], exc[2]
else:
self._python_target.close()
raise
return self._python_target.close()
cdef xmlDoc* _handleParseResultDoc(self, _BaseParser parser,
xmlDoc* result, filename) except NULL:
cdef bint recover
recover = parser._parse_options & xmlparser.XML_PARSE_RECOVER
if result is not NULL and result._private is NULL:
# no _Document proxy => orphen
tree.xmlFreeDoc(result)
try:
self._cleanupTargetParserContext(result)
self._raise_if_stored()
if not self._c_ctxt.wellFormed and not recover:
_raiseParseError(self._c_ctxt, filename, self._error_log)
except:
if python.IS_PYTHON2:
exc = sys.exc_info()
# Python 2 can't chain exceptions
try: self._python_target.close()
except: pass
raise exc[0], exc[1], exc[2]
else:
self._python_target.close()
raise
parse_result = self._python_target.close()
raise _TargetParserResult(parse_result)
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