134 lines
4.4 KiB
C++
134 lines
4.4 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef _XML_PARSER_HXX_
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#define _XML_PARSER_HXX_
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#include <expat.h>
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#include <stdexcept>
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//-----------------------------------------------------
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class xml_parser_exception : public std::runtime_error
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{
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public:
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xml_parser_exception(
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const std::string& error_msg,
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int error_code,
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int line_number,
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int column_number,
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long byte_index) :
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std::runtime_error(error_msg),
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error_code_(error_code),
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line_number_(line_number),
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column_number_(column_number),
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byte_index_(byte_index)
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{}
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int error_code_;
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int line_number_;
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int column_number_;
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long byte_index_;
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};
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//-----------------------------------------------------
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// Simple wrapper around expat, the xml parser library
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// created by James Clark
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//-----------------------------------------------------
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class i_xml_parser_event_handler;
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class xml_parser
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{
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public:
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//########################################################
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xml_parser(const XML_Char* EncodingName = 0);
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//########################################################
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~xml_parser();
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//########################################################
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/** Parse a XML data stream
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@param pXmlData
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Pointer to a buffer containing the xml data
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@param Length
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Length of the buffer containing the xml data
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@param IsFinal
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Indicates whether these are the last xml data
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of an xml document to parse. For very large
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xml documents it may be usefull to read and
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parse the document partially.
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@precond XmlData must not be null
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@throws SaxException
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If the used Sax parser returns an error. The SaxException
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contains detailed information about the error. */
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void parse(const char* XmlData, size_t Length, bool IsFinal = true);
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//########################################################
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/** Set a document handler
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@descr A document handler implements the interface i_xml_parser_event_handler.
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The document handler receive notifications of various events
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from the sax parser for instance "start_document".
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The client is responsible for the life time management of
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the given document handler, that means the document handler
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instance must exist until a new one was set or until the parser
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no longer exist.
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@param SaxDocumentHandler
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The new document handler, may be null if not interessted in
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sax parser events.
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@postcond currently used document handler == pSaxDocumentHandler */
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void set_document_handler(i_xml_parser_event_handler* event_handler);
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//########################################################
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/** Returns the currently used document handler or null if
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no document handler was set before. */
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i_xml_parser_event_handler* get_document_handler() const;
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private:
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void init();
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private:
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i_xml_parser_event_handler* document_handler_;
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XML_Parser xml_parser_;
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// prevent copy and assignment
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private:
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xml_parser(const xml_parser&);
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xml_parser& operator=(const xml_parser&);
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};
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#endif
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