184a00b962
Change-Id: I42119f656ca528286fb25d2d36c0af54b7d04a6b
122 lines
3.9 KiB
C++
122 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SHELL_INC_INTERNAL_XML_PARSER_HXX
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#define INCLUDED_SHELL_INC_INTERNAL_XML_PARSER_HXX
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#include <expat.h>
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#include <stdexcept>
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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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// Simple wrapper around expat, the xml parser library
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// created by James Clark
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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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xml_parser(const XML_Char* EncodingName = 0);
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~xml_parser();
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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 useful 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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/** 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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/** 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 { return document_handler_;}
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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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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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