473 lines
14 KiB
C++
473 lines
14 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 BOOTSTRP_XMLPARSE_HXX
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#define BOOTSTRP_XMLPARSE_HXX
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#include "sal/config.h"
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#include <cstddef>
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#include <vector>
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#include <signal.h>
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#include <libxml/xmlexports.h> // define XMLCALL so expat.h does not redefine it
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#include <expat.h>
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#include <rtl/ustring.hxx>
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#include <rtl/ustrbuf.hxx>
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#include "boost/unordered_map.hpp"
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#include "export.hxx"
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class XMLParentNode;
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class XMLElement;
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using namespace ::rtl;
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using namespace std;
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#define XML_NODE_TYPE_FILE 0x001
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#define XML_NODE_TYPE_ELEMENT 0x002
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#define XML_NODE_TYPE_DATA 0x003
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#define XML_NODE_TYPE_COMMENT 0x004
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#define XML_NODE_TYPE_DEFAULT 0x005
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//-------------------------------------------------------------------------
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/** Holds data of Attributes
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*/
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class XMLAttribute
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{
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private:
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rtl::OUString sName;
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rtl::OUString sValue;
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public:
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/// creates an attribute
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XMLAttribute(
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const rtl::OUString &rName, // attributes name
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const rtl::OUString &rValue // attributes data
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)
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: sName( rName ), sValue( rValue ) {}
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rtl::OUString GetName() const { return sName; }
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rtl::OUString GetValue() const { return sValue; }
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void setValue(const rtl::OUString &rValue){sValue=rValue;}
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/// returns true if two attributes are equal and have the same value
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sal_Bool IsEqual(
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const XMLAttribute &rAttribute // the attribute which has to be equal
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)
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{
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return (( rAttribute.sName == sName ) && ( rAttribute.sValue == sValue ));
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}
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};
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typedef std::vector< XMLAttribute* > XMLAttributeList;
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//-------------------------------------------------------------------------
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/** Virtual base to handle different kinds of XML nodes
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*/
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class XMLNode
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{
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protected:
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XMLNode() {}
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public:
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virtual sal_uInt16 GetNodeType() = 0;
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virtual ~XMLNode() {}
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};
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//-------------------------------------------------------------------------
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/** Virtual base to handle different kinds of child nodes
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*/
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class XMLChildNode : public XMLNode
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{
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private:
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XMLParentNode *pParent;
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protected:
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XMLChildNode( XMLParentNode *pPar );
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XMLChildNode():pParent( NULL ){};
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XMLChildNode( const XMLChildNode& obj);
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XMLChildNode& operator=(const XMLChildNode& obj);
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public:
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virtual sal_uInt16 GetNodeType() = 0;
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/// returns the parent of this node
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XMLParentNode *GetParent() { return pParent; }
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virtual ~XMLChildNode(){};
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};
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typedef std::vector< XMLChildNode* > XMLChildNodeList;
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//-------------------------------------------------------------------------
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/** Virtual base to handle different kinds of parent nodes
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*/
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class XMLData;
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class XMLParentNode : public XMLChildNode
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{
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private:
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XMLChildNodeList* pChildList;
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static int dbgcnt;
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protected:
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XMLParentNode( XMLParentNode *pPar )
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: XMLChildNode( pPar ), pChildList( NULL )
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{
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}
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XMLParentNode(): pChildList(NULL){
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}
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/// Copyconstructor
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XMLParentNode( const XMLParentNode& );
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XMLParentNode& operator=(const XMLParentNode& obj);
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virtual ~XMLParentNode();
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public:
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virtual sal_uInt16 GetNodeType() = 0;
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/// returns child list of this node
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XMLChildNodeList *GetChildList() { return pChildList; }
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/// adds a new child
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void AddChild(
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XMLChildNode *pChild /// the new child
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);
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void RemoveAndDeleteAllChildren();
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};
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//-------------------------------------------------------------------------
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/// Mapping numeric Language code <-> XML Element
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typedef boost::unordered_map<rtl::OString, XMLElement*, rtl::OStringHash> LangHashMap;
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/// Mapping XML Element string identifier <-> Language Map
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typedef boost::unordered_map<rtl::OString, LangHashMap*, rtl::OStringHash> XMLHashMap;
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/// Mapping iso alpha string code <-> iso numeric code
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typedef boost::unordered_map<rtl::OString, int, rtl::OStringHash> HashMap;
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/// Mapping XML tag names <-> have localizable strings
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typedef boost::unordered_map<rtl::OString, sal_Bool, rtl::OStringHash> TagMap;
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/** Holds information of a XML file, is root node of tree
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*/
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class XMLFile : public XMLParentNode
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{
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public:
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XMLFile(
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const rtl::OUString &rFileName // the file name, empty if created from memory stream
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);
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XMLFile( const XMLFile& obj ) ;
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~XMLFile();
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void Print( XMLNode *pCur = NULL, sal_uInt16 nLevel = 0 );
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virtual void SearchL10NElements( XMLParentNode *pCur, int pos = 0 );
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void Extract( XMLFile *pCur = NULL );
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XMLHashMap* GetStrings(){return XMLStrings;}
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void Write( rtl::OString const &rFilename );
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sal_Bool Write( ofstream &rStream , XMLNode *pCur = NULL );
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bool CheckExportStatus( XMLParentNode *pCur = NULL );// , int pos = 0 );
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XMLFile& operator=(const XMLFile& obj);
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virtual sal_uInt16 GetNodeType();
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/// returns file name
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rtl::OUString GetName() { return sFileName; }
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void SetName( const rtl::OUString &rFilename ) { sFileName = rFilename; }
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const std::vector<rtl::OString> getOrder(){ return order; }
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protected:
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// writes a string as UTF8 with dos line ends to a given stream
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void WriteString( ofstream &rStream, const rtl::OUString &sString );
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void InsertL10NElement( XMLElement* pElement);
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// DATA
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rtl::OUString sFileName;
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const rtl::OString ID, OLDREF, XML_LANG;
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TagMap nodes_localize;
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XMLHashMap* XMLStrings;
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std::vector <rtl::OString> order;
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};
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/// An Utility class for XML
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/// See RFC 3066 / #i8252# for ISO codes
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class XMLUtil{
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public:
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/// Quot the XML characters and replace \n \t
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static void QuotHTML( rtl::OUString &rString );
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/// UnQuot the XML characters and restore \n \t
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static void UnQuotHTML ( rtl::OUString &rString );
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};
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//-------------------------------------------------------------------------
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/** Hold information of an element node
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*/
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class XMLElement : public XMLParentNode
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{
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private:
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rtl::OUString sElementName;
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XMLAttributeList *pAttributes;
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rtl::OString project,
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filename,
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id,
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sOldRef,
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resourceType,
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languageId;
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int nPos;
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protected:
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void Print(XMLNode *pCur, OUStringBuffer& buffer , bool rootelement);
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public:
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/// create a element node
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XMLElement(){}
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XMLElement(
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const rtl::OUString &rName, // the element name
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XMLParentNode *Parent // parent node of this element
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): XMLParentNode( Parent ),
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sElementName( rName ),
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pAttributes( NULL ),
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project(""),
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filename(""),
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id(""),
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sOldRef(""),
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resourceType(""),
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languageId(""),
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nPos(0)
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{
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}
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~XMLElement();
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XMLElement(const XMLElement&);
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XMLElement& operator=(const XMLElement& obj);
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/// returns node type XML_NODE_ELEMENT
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virtual sal_uInt16 GetNodeType();
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/// returns element name
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rtl::OUString GetName() { return sElementName; }
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/// returns list of attributes of this element
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XMLAttributeList *GetAttributeList() { return pAttributes; }
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/// adds a new attribute to this element, typically used by parser
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void AddAttribute( const rtl::OUString &rAttribute, const rtl::OUString &rValue );
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void ChangeLanguageTag( const rtl::OUString &rValue );
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// Return a Unicode String representation of this object
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OUString ToOUString();
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void SetProject ( rtl::OString const & prj ){ project = prj; }
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void SetFileName ( rtl::OString const & fn ){ filename = fn; }
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void SetId ( rtl::OString const & theId ){ id = theId; }
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void SetResourceType ( rtl::OString const & rt ){ resourceType = rt; }
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void SetLanguageId ( rtl::OString const & lid ){ languageId = lid; }
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void SetPos ( int nPos_in ){ nPos = nPos_in; }
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void SetOldRef ( rtl::OString const & sOldRef_in ){ sOldRef = sOldRef_in; }
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virtual int GetPos() { return nPos; }
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rtl::OString GetProject() { return project; }
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rtl::OString GetFileName() { return filename; }
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rtl::OString GetId() { return id; }
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rtl::OString GetOldref() { return sOldRef; }
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rtl::OString GetResourceType(){ return resourceType; }
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rtl::OString GetLanguageId() { return languageId; }
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};
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//-------------------------------------------------------------------------
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/** Holds character data
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*/
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class XMLData : public XMLChildNode
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{
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private:
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rtl::OUString sData;
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bool isNewCreated;
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public:
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/// create a data node
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XMLData(
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const rtl::OUString &rData, // the initial data
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XMLParentNode *Parent // the parent node of this data, typically a element node
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)
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: XMLChildNode( Parent ), sData( rData ) , isNewCreated ( false ){}
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XMLData(
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const rtl::OUString &rData, // the initial data
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XMLParentNode *Parent, // the parent node of this data, typically a element node
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bool newCreated
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)
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: XMLChildNode( Parent ), sData( rData ) , isNewCreated ( newCreated ){}
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XMLData(const XMLData& obj);
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XMLData& operator=(const XMLData& obj);
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virtual sal_uInt16 GetNodeType();
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/// returns the data
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rtl::OUString GetData() { return sData; }
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bool isNew() { return isNewCreated; }
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/// adds new character data to the existing one
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void AddData(
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const rtl::OUString &rData // the new data
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);
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};
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//-------------------------------------------------------------------------
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/** Holds comments
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*/
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class XMLComment : public XMLChildNode
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{
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private:
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rtl::OUString sComment;
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public:
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/// create a comment node
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XMLComment(
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const rtl::OUString &rComment, // the comment
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XMLParentNode *Parent // the parent node of this comemnt, typically a element node
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)
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: XMLChildNode( Parent ), sComment( rComment ) {}
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virtual sal_uInt16 GetNodeType();
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XMLComment( const XMLComment& obj );
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XMLComment& operator=(const XMLComment& obj);
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/// returns the comment
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rtl::OUString GetComment() { return sComment; }
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};
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//-------------------------------------------------------------------------
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/** Holds additional file content like those for which no handler exists
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*/
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class XMLDefault : public XMLChildNode
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{
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private:
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rtl::OUString sDefault;
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public:
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/// create a comment node
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XMLDefault(
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const rtl::OUString &rDefault, // the comment
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XMLParentNode *Parent // the parent node of this comemnt, typically a element node
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)
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: XMLChildNode( Parent ), sDefault( rDefault ) {}
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XMLDefault(const XMLDefault& obj);
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XMLDefault& operator=(const XMLDefault& obj);
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/// returns node type XML_NODE_TYPE_COMMENT
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virtual sal_uInt16 GetNodeType();
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/// returns the comment
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rtl::OUString GetDefault() { return sDefault; }
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};
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//-------------------------------------------------------------------------
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/** struct for error information, used by class SimpleXMLParser
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*/
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struct XMLError {
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XML_Error eCode; // the error code
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std::size_t nLine; // error line number
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std::size_t nColumn; // error column number
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rtl::OUString sMessage; // readable error message
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};
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//-------------------------------------------------------------------------
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/** validating xml parser, creates a document tree with xml nodes
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*/
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class SimpleXMLParser
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{
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private:
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XML_Parser aParser;
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XMLError aErrorInformation;
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XMLFile *pXMLFile;
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XMLParentNode *pCurNode;
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XMLData *pCurData;
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static void StartElementHandler( void *userData, const XML_Char *name, const XML_Char **atts );
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static void EndElementHandler( void *userData, const XML_Char *name );
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static void CharacterDataHandler( void *userData, const XML_Char *s, int len );
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static void CommentHandler( void *userData, const XML_Char *data );
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static void DefaultHandler( void *userData, const XML_Char *s, int len );
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void StartElement( const XML_Char *name, const XML_Char **atts );
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void EndElement( const XML_Char *name );
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void CharacterData( const XML_Char *s, int len );
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void Comment( const XML_Char *data );
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void Default( const XML_Char *s, int len );
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public:
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/// creates a new parser
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SimpleXMLParser();
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~SimpleXMLParser();
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/// parse a file, returns NULL on criticall errors
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XMLFile *Execute(
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const rtl::OUString &rFileName, // the file name
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XMLFile *pXMLFileIn // the XMLFile
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);
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/// returns an error struct
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const XMLError &GetError() { return aErrorInformation; }
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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