libxml-xpath.html

xml开源解析代码.版本为libxml2-2.6.29,可支持GB3212.网络消息发送XML时很有用.

    int	xptr	: is this an XPointer context?
    <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a>	here	: for here()
    <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a>	origin	: for origin() the set of namespace decla
    <a href="libxml-hash.html#xmlHashTablePtr">xmlHashTablePtr</a>	nsHash	: The namespaces hash table
    <a href="libxml-xpath.html#xmlXPathVariableLookupFunc">xmlXPathVariableLookupFunc</a>	varLookupFunc	: variable lookup func
    void *	varLookupData	: variable lookup data Possibility to lin
    void *	extra	: needed for XSLT The function name and U
    const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *	function
    const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *	functionURI	: function lookup function and data
    <a href="libxml-xpath.html#xmlXPathFuncLookupFunc">xmlXPathFuncLookupFunc</a>	funcLookupFunc	: function lookup func
    void *	funcLookupData	: function lookup data temporary namespac
    <a href="libxml-tree.html#xmlNsPtr">xmlNsPtr</a> *	tmpNsList	: Array of namespaces
    int	tmpNsNr	: number of namespaces in scope error rep
    void *	userData	: user specific data block
    <a href="libxml-xmlerror.html#xmlStructuredErrorFunc">xmlStructuredErrorFunc</a>	error	: the callback in case of errors
    <a href="libxml-xmlerror.html#xmlError">xmlError</a>	lastError	: the last error
    <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a>	debugNode	: the source node XSLT dictionary
    <a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a>	dict	: dictionary if any
    int	flags	: flags to control compilation Cache for
    void *	cache
}</pre><h3>Enum <a name="xmlXPathError" id="xmlXPathError">xmlXPathError</a></h3><pre class="programlisting">Enum xmlXPathError {
    <a name="XPATH_EXPRESSION_OK" id="XPATH_EXPRESSION_OK">XPATH_EXPRESSION_OK</a> = 0
    <a name="XPATH_NUMBER_ERROR" id="XPATH_NUMBER_ERROR">XPATH_NUMBER_ERROR</a> = 1
    <a name="XPATH_UNFINISHED_LITERAL_ERROR" id="XPATH_UNFINISHED_LITERAL_ERROR">XPATH_UNFINISHED_LITERAL_ERROR</a> = 2
    <a name="XPATH_START_LITERAL_ERROR" id="XPATH_START_LITERAL_ERROR">XPATH_START_LITERAL_ERROR</a> = 3
    <a name="XPATH_VARIABLE_REF_ERROR" id="XPATH_VARIABLE_REF_ERROR">XPATH_VARIABLE_REF_ERROR</a> = 4
    <a name="XPATH_UNDEF_VARIABLE_ERROR" id="XPATH_UNDEF_VARIABLE_ERROR">XPATH_UNDEF_VARIABLE_ERROR</a> = 5
    <a name="XPATH_INVALID_PREDICATE_ERROR" id="XPATH_INVALID_PREDICATE_ERROR">XPATH_INVALID_PREDICATE_ERROR</a> = 6
    <a name="XPATH_EXPR_ERROR" id="XPATH_EXPR_ERROR">XPATH_EXPR_ERROR</a> = 7
    <a name="XPATH_UNCLOSED_ERROR" id="XPATH_UNCLOSED_ERROR">XPATH_UNCLOSED_ERROR</a> = 8
    <a name="XPATH_UNKNOWN_FUNC_ERROR" id="XPATH_UNKNOWN_FUNC_ERROR">XPATH_UNKNOWN_FUNC_ERROR</a> = 9
    <a name="XPATH_INVALID_OPERAND" id="XPATH_INVALID_OPERAND">XPATH_INVALID_OPERAND</a> = 10
    <a name="XPATH_INVALID_TYPE" id="XPATH_INVALID_TYPE">XPATH_INVALID_TYPE</a> = 11
    <a name="XPATH_INVALID_ARITY" id="XPATH_INVALID_ARITY">XPATH_INVALID_ARITY</a> = 12
    <a name="XPATH_INVALID_CTXT_SIZE" id="XPATH_INVALID_CTXT_SIZE">XPATH_INVALID_CTXT_SIZE</a> = 13
    <a name="XPATH_INVALID_CTXT_POSITION" id="XPATH_INVALID_CTXT_POSITION">XPATH_INVALID_CTXT_POSITION</a> = 14
    <a name="XPATH_MEMORY_ERROR" id="XPATH_MEMORY_ERROR">XPATH_MEMORY_ERROR</a> = 15
    <a name="XPTR_SYNTAX_ERROR" id="XPTR_SYNTAX_ERROR">XPTR_SYNTAX_ERROR</a> = 16
    <a name="XPTR_RESOURCE_ERROR" id="XPTR_RESOURCE_ERROR">XPTR_RESOURCE_ERROR</a> = 17
    <a name="XPTR_SUB_RESOURCE_ERROR" id="XPTR_SUB_RESOURCE_ERROR">XPTR_SUB_RESOURCE_ERROR</a> = 18
    <a name="XPATH_UNDEF_PREFIX_ERROR" id="XPATH_UNDEF_PREFIX_ERROR">XPATH_UNDEF_PREFIX_ERROR</a> = 19
    <a name="XPATH_ENCODING_ERROR" id="XPATH_ENCODING_ERROR">XPATH_ENCODING_ERROR</a> = 20
    <a name="XPATH_INVALID_CHAR_ERROR" id="XPATH_INVALID_CHAR_ERROR">XPATH_INVALID_CHAR_ERROR</a> = 21
    <a name="XPATH_INVALID_CTXT" id="XPATH_INVALID_CTXT">XPATH_INVALID_CTXT</a> = 22
}
</pre><h3><a name="xmlXPathFunct" id="xmlXPathFunct">Structure xmlXPathFunct</a></h3><pre class="programlisting">Structure xmlXPathFunct<br />struct _xmlXPathFunct {
    const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *	name	: the function name
    <a href="libxml-xpath.html#xmlXPathEvalFunc">xmlXPathEvalFunc</a>	func	: the evaluation function
}</pre><h3><a name="xmlXPathObject" id="xmlXPathObject">Structure xmlXPathObject</a></h3><pre class="programlisting">Structure xmlXPathObject<br />struct _xmlXPathObject {
    <a href="libxml-xpath.html#xmlXPathObjectType">xmlXPathObjectType</a>	type
    <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a>	nodesetval
    int	boolval
    double	floatval
    <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *	stringval
    void *	user
    int	index
    void *	user2
    int	index2
}</pre><h3>Enum <a name="xmlXPathObjectType" id="xmlXPathObjectType">xmlXPathObjectType</a></h3><pre class="programlisting">Enum xmlXPathObjectType {
    <a name="XPATH_UNDEFINED" id="XPATH_UNDEFINED">XPATH_UNDEFINED</a> = 0
    <a name="XPATH_NODESET" id="XPATH_NODESET">XPATH_NODESET</a> = 1
    <a name="XPATH_BOOLEAN" id="XPATH_BOOLEAN">XPATH_BOOLEAN</a> = 2