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Public.Parser.XML2
Viewing contents of Public_Parser_XML2-1.22/XMLReader.cmod
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: XMLReader.cmod,v 1.16 2005/07/15 18:15:36 hww3 Exp $
*/
/*
* File licensing and authorship information block.
*
* Version: MPL 1.1/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Initial Developer of the Original Code is
*
* Bill Welliver
*
* Portions created by the Initial Developer are Copyright (C) Bill Welliver
* All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of the LGPL, and not to allow others to use your version
* of this file under the terms of the MPL, indicate your decision by
* deleting the provisions above and replace them with the notice
* and other provisions required by the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL or the LGPL.
*
* Significant Contributors to this file are:
*
*
*/
#define THIS_IS_XML2_XMLREADER 1
#include "xml2.h"
/*! @module Public
*/
/*! @module Parser
*/
/*! @module XML2
*/
/*! @class XMLReader
*!
*! A simplified parser for XML documents. Similar to the C# XMLReader
*! class.
*/
#ifdef HAVE_LIBXML_XMLREADER_H
PIKECLASS XMLReader
program_flags PROGRAM_USES_PARENT;
{
CVAR XMLREADER_OBJECT_DATA *object_data;
PIKEFUN string _sprintf(int type, mixed t)
{
char * desc;
push_text("XMLReader()");
}
/*! @decl int read()
*!
*! reads the next node of the document and loads its data.
*!
*! returns 1 if a node was read, 0 if no additional nodes are available,
*! and throws an error if a parse error occurred.
*/
PIKEFUN int read()
{
int res;
if(THIS->object_data == NULL || THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
res = xmlTextReaderRead(THIS->object_data->reader);
if(res == 1) /* we got data to process! */
{
push_int(1);
return;
}
else if (res == 0)
{
push_int(0);
return;
}
else
{
Pike_error("unable to parse, result code: %d!\n", res);
}
}
/*! @decl int node_type()
*!
*! returns the type of the current node. Types are described here:
*! http://dotgnu.org/pnetlib-doc/System/Xml/XmlNodeType.html
*/
PIKEFUN int node_type()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderNodeType(THIS->object_data->reader);
}
/*! @decl Node expand()
*!
*/
PIKEFUN object expand()
{
xmlNodePtr node;
struct object * xnode;
struct Node_struct * ns;
NODE_OBJECT_DATA * od;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
node = xmlTextReaderExpand(THIS->object_data->reader);
if(node == NULL)
{
Pike_error("error expanding node!\n");
}
xnode = NEW_NODE();
ns = OBJ2_NODE((xnode));
od = (NODE_OBJECT_DATA *)(ns->object_data);
od->transient = 1;
od->refs = malloc(sizeof(INT32));
(* od->refs)=1;
od->node = node;
push_object(xnode);
}
/*! @decl int depth()
*!
*! returns the depth of the current node within the tree.
*/
PIKEFUN int depth()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderDepth(THIS->object_data->reader);
}
/*! @decl int has_attributes()
*!
*! Does the node have attributes?
*/
PIKEFUN int has_attributes()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderHasAttributes(THIS->object_data->reader);
}
/*! @decl int attribute_count()
*!
*! returns the number of attributes associated with the current node.
*/
PIKEFUN int attribute_count()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderAttributeCount(THIS->object_data->reader);
}
/*! @decl int next_sibling()
*!
*/
PIKEFUN int next_sibling()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderNextSibling(THIS->object_data->reader);
}
/*! @decl int next()
*!
*/
PIKEFUN int next()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderNext(THIS->object_data->reader);
}
/*! @decl int element()
*!
*/
PIKEFUN int element()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderMoveToElement(THIS->object_data->reader);
}
/*! @decl int first_attribute()
*!
*/
PIKEFUN int first_attribute()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderMoveToFirstAttribute(THIS->object_data->reader);
}
/*! @decl int next_attribute()
*!
*/
PIKEFUN int next_attribute()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderMoveToNextAttribute(THIS->object_data->reader);
}
/*! @decl int attribute_no()
*!
*/
PIKEFUN int attribute_no(int no)
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderMoveToAttributeNo(THIS->object_data->reader, no);
}
/*! @decl int attribute_ns(string localName, string namespaceURI)
*!
*/
PIKEFUN int attribute_ns(string localName, string namespaceURI)
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
f_rconvert_string_utf8(1);
namespaceURI = Pike_sp[-1].u.string;
stack_swap_n(2);
localName = Pike_sp[-1].u.string;
f_rconvert_string_utf8(1);
RETURN xmlTextReaderMoveToAttributeNs(THIS->object_data->reader,
(const xmlChar *)localName->str, (const xmlChar *)namespaceURI->str);
}
/*! @decl int attribute(string name)
*!
*/
PIKEFUN int attribute(string name)
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
f_rconvert_string_utf8(1);
name = Pike_sp[-1].u.string;
RETURN xmlTextReaderMoveToAttribute(THIS->object_data->reader,
(const xmlChar *)name->str);
}
/*! @decl int has_value()
*!
*/
PIKEFUN int has_value()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderHasValue(THIS->object_data->reader);
}
/*! @decl int is_default()
*!
*/
PIKEFUN int is_default()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderIsDefault(THIS->object_data->reader);
}
/*! @decl int is_namespace_decl()
*!
*/
PIKEFUN int is_namespace_decl()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderIsNamespaceDecl(THIS->object_data->reader);
}
/*! @decl int is_empty_element()
*!
*/
PIKEFUN int is_empty_element()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderIsEmptyElement(THIS->object_data->reader);
}
/*! @decl int is_valid()
*!
*/
PIKEFUN int is_valid()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderIsValid(THIS->object_data->reader);
}
/*! @decl int parser_column_number()
*!
*/
PIKEFUN int parser_column_number()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderGetParserColumnNumber(THIS->object_data->reader);
}
/*! @decl int parser_line_number()
*!
*/
PIKEFUN int parser_line_number()
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderGetParserLineNumber(THIS->object_data->reader);
}
/*! @decl int get_parser_prop(int prop)
*!
*! @param prop
*! the property to get
*/
PIKEFUN int get_parser_prop(int prop)
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderGetParserProp(THIS->object_data->reader, prop);
}
/*! @decl int set_parser_prop(int prop, int value)
*!
*! @param prop
*! the property to set
*!
*! @param value
*! the value to set
*/
PIKEFUN int set_parser_prop(int prop, int value)
{
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
RETURN xmlTextReaderSetParserProp(THIS->object_data->reader, prop, value);
}
/*! @decl string name()
*!
*/
PIKEFUN string name()
{
xmlChar * c;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
c = xmlTextReaderName(THIS->object_data->reader);
if(c != NULL)
{
push_text(c);
xmlFree(c);
}
else
push_int(0);
}
/*! @decl string get_attribute(string name)
*!
*/
PIKEFUN string get_attribute(string name)
{
xmlChar * c;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
f_rconvert_string_utf8(1);
name = Pike_sp[-1].u.string;
c = xmlTextReaderGetAttribute(THIS->object_data->reader, name->str);
if(c != NULL)
{
push_text(c);
xmlFree(c);
}
else
push_int(0);
}
/*! @decl string get_attribute_no(int no)
*!
*/
PIKEFUN string get_attribute_no(int no)
{
xmlChar * c;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
c = xmlTextReaderGetAttributeNo(THIS->object_data->reader, no);
if(c != NULL)
{
push_text(c);
xmlFree(c);
}
else
push_int(0);
}
/*! @decl string get_attribute_ns(string localName, string namespaceURI)
*!
*/
PIKEFUN string get_attribute(string localName, string namespaceURI)
{
xmlChar * c;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
f_rconvert_string_utf8(1);
namespaceURI = Pike_sp[-1].u.string;
stack_swap_n(2);
f_rconvert_string_utf8(1);
localName = Pike_sp[-1].u.string;
c = xmlTextReaderGetAttributeNs(THIS->object_data->reader,
localName->str, namespaceURI->str);
if(c != NULL)
{
push_text(c);
xmlFree(c);
}
else
push_int(0);
}
/*! @decl string lookup_namespace(string|void prefix)
*!
*/
PIKEFUN string lookup_namespace(string prefix)
{
xmlChar * c;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
f_rconvert_string_utf8(1);
prefix = Pike_sp[-1].u.string;
c = xmlTextReaderLookupNamespace(THIS->object_data->reader, prefix->str);
if(c != NULL)
{
push_text(c);
xmlFree(c);
}
else
push_int(0);
}
PIKEFUN string lookup_namespace()
{
xmlChar * c;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
c = xmlTextReaderLookupNamespace(THIS->object_data->reader, NULL);
if(c != NULL)
{
push_text(c);
xmlFree(c);
}
else
push_int(0);
}
/*! @decl string xml_lang()
*!
*/
PIKEFUN string xml_lang()
{
xmlChar * c;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
c = xmlTextReaderXmlLang(THIS->object_data->reader);
if(c != NULL)
{
push_text(c);
xmlFree(c);
}
else
push_int(0);
}
/*! @decl string prefix()
*!
*/
PIKEFUN string prefix()
{
xmlChar * c;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
c = xmlTextReaderPrefix(THIS->object_data->reader);
if(c != NULL)
{
push_text(c);
xmlFree(c);
}
else
push_int(0);
}
/*! @decl string namespaceuri()
*!
*/
PIKEFUN string namespaceuri()
{
xmlChar * c;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
c = xmlTextReaderNamespaceUri(THIS->object_data->reader);
if(c != NULL)
{
push_text(c);
xmlFree(c);
}
else
push_int(0);
}
/*! @decl string baseuri()
*!
*/
PIKEFUN string baseuri()
{
xmlChar * c;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
c = xmlTextReaderBaseUri(THIS->object_data->reader);
if(c != NULL)
{
push_text(c);
xmlFree(c);
}
else
push_int(0);
}
/*! @decl string localname()
*!
*/
PIKEFUN string localname()
{
xmlChar * c;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
c = xmlTextReaderLocalName(THIS->object_data->reader);
if(c != NULL)
{
push_text(c);
xmlFree(c);
}
else
push_int(0);
}
/*! @decl string value()
*!
*/
PIKEFUN string value()
{
xmlChar * c;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
c = xmlTextReaderValue(THIS->object_data->reader);
if(c != NULL)
{
push_text(c);
xmlFree(c);
}
else
push_int(0);
}
/*! @decl string string()
*!
*/
PIKEFUN string string()
{
xmlChar * c;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
c = xmlTextReaderReadString(THIS->object_data->reader);
if(c != NULL)
{
push_text(c);
xmlFree(c);
}
else
push_int(0);
}
/*! @decl string inner_xml()
*!
*/
PIKEFUN string inner_xml()
{
xmlChar * c;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
c = xmlTextReaderReadInnerXml(THIS->object_data->reader);
if(c != NULL)
{
push_text(c);
xmlFree(c);
}
else
push_int(0);
}
/*! @decl string outer_xml()
*!
*/
PIKEFUN string outer_xml()
{
xmlChar * c;
if(THIS->object_data->reader == NULL)
{
Pike_error("no xmlReader!\n");
}
c = xmlTextReaderReadOuterXml(THIS->object_data->reader);
if(c != NULL)
{
push_text(c);
xmlFree(c);
}
else
push_int(0);
}
/*! @decl void create(string xml, string|void url, int|void options, string encoding)
*!
*! note that xml is expected to be encoded according to the encoding directive in the
*! xml file, or as UTF-8. All other strings may be in Pike standard string format.
*/
PIKEFUN void create(string xml, string url, int options, string encoding)
{
xmlTextReaderPtr reader;
/*
xmlParserCtxtPtr ctxt;
xmlSAXHandlerPtr sax;
*/
stack_swap_n(2);
f_rconvert_string_utf8(1);
url = Pike_sp[-1].u.string;
stack_swap_n(4);
f_rconvert_string_utf8(1);
encoding = Pike_sp[-1].u.string;
reader = xmlReaderForMemory(xml->str, xml->len, url->str,
encoding->str, options);
if(reader == NULL)
{
Pike_error("unable to get xmlReader\n");
}
/*
ctxt = (struct _xmlTextReader)reader->ctxt;
sax = ctxt->sax;
//->getEntity = my_xml_getent;
*/
THIS->object_data->reader = reader;
pop_n_elems(args);
}
PIKEFUN void create(string xml, string url, int options)
{
xmlTextReaderPtr reader;
stack_swap_n(2);
f_rconvert_string_utf8(1);
url = Pike_sp[-1].u.string;
reader = xmlReaderForMemory(xml->str, xml->len, url->str,
NULL, options);
if(reader == NULL)
{
Pike_error("unable to get xmlReader\n");
}
THIS->object_data->reader = reader;
pop_n_elems(args);
}
PIKEFUN void create(string xml)
{
push_text("noname.xml");
push_int(0);
f_XMLReader_create(3);
}
INIT
{
XMLREADER_OBJECT_DATA * dta;
dta =
(XMLREADER_OBJECT_DATA*)malloc(sizeof(XMLREADER_OBJECT_DATA));
if (!dta)
Pike_error("init_xmlreader: Out of memory!\n");
dta->reader = NULL;
THIS->object_data = dta;
}
EXIT
{
if(THIS->object_data->reader != NULL)
{
xmlFreeTextReader(THIS->object_data->reader);
THIS->object_data->reader = NULL;
}
if(THIS->object_data)
{
free(THIS->object_data);
THIS->object_data = NULL;
}
}
}
#endif /* HAVE_LIBXML_XMLREADER_H */
/*! @endclass
*/
/*! @endmodule
*/
/*! @endmodule
*/
/*! @endmodule
*/
void pike_init_xml2_xmlreader()
{
INIT
}
void pike_exit_xml2_xmlreader()
{
EXIT
}
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