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https://github.com/moparisthebest/SickRage
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65 lines
2.3 KiB
Cython
65 lines
2.3 KiB
Cython
# XInclude processing
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from lxml.includes cimport xinclude
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class XIncludeError(LxmlError):
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u"""Error during XInclude processing.
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"""
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pass
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cdef class XInclude:
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u"""XInclude(self)
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XInclude processor.
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Create an instance and call it on an Element to run XInclude
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processing.
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"""
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cdef _ErrorLog _error_log
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def __init__(self):
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self._error_log = _ErrorLog()
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property error_log:
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def __get__(self):
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assert self._error_log is not None, "XInclude instance not initialised"
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return self._error_log.copy()
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def __call__(self, _Element node not None):
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u"__call__(self, node)"
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# We cannot pass the XML_PARSE_NOXINCNODE option as this would free
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# the XInclude nodes - there may still be Python references to them!
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# Therefore, we allow XInclude nodes to be converted to
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# XML_XINCLUDE_START nodes. XML_XINCLUDE_END nodes are added as
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# siblings. Tree traversal will simply ignore them as they are not
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# typed as elements. The included fragment is added between the two,
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# i.e. as a sibling, which does not conflict with traversal.
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cdef int result
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_assertValidNode(node)
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assert self._error_log is not None, "XInclude processor not initialised"
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if node._doc._parser is not None:
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parse_options = node._doc._parser._parse_options
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context = node._doc._parser._getParserContext()
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c_context = <void*>context
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else:
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parse_options = 0
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context = None
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c_context = NULL
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self._error_log.connect()
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if tree.LIBXML_VERSION < 20704 or not c_context:
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__GLOBAL_PARSER_CONTEXT.pushImpliedContext(context)
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with nogil:
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if c_context:
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result = xinclude.xmlXIncludeProcessTreeFlagsData(
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node._c_node, parse_options, c_context)
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else:
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result = xinclude.xmlXIncludeProcessTree(node._c_node)
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if tree.LIBXML_VERSION < 20704 or not c_context:
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__GLOBAL_PARSER_CONTEXT.popImpliedContext()
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self._error_log.disconnect()
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if result == -1:
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raise XIncludeError(
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self._error_log._buildExceptionMessage(
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u"XInclude processing failed"),
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self._error_log)
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