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128 lines
4.9 KiB
128 lines
4.9 KiB
/***************************************************************************
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* Copyright (C) 2003 by Gulmini Luciano *
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* gulmini.luciano@student.unife.it *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program 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 General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#include "cssshpropertyparser.h"
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#include <qregexp.h>
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//#include <kdebug.h>
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CSSSHPropertyParser::CSSSHPropertyParser(const QString& s){
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QStringList l1,
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l2=QStringList::split(",",s);
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for ( QStringList::Iterator it = l2.begin(); it != l2.end(); ++it ) {
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QString temp;
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temp=removeBeginningWhiteSpaces((*it));
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temp=removeEndingWhiteSpaces(temp);
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l1.append(temp);
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}
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m_propertyToParse = l1.join(",");// we eliminte blanks before after a comma in things like "something" , something , serif
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}
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CSSSHPropertyParser::~CSSSHPropertyParser(){}
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QString CSSSHPropertyParser::removeEndingWhiteSpaces(const QString& s){
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int index = s.length()-1;
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while(s[index] == ' ' ) index--;
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return s.left(index+1);
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}
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QString CSSSHPropertyParser::removeBeginningWhiteSpaces(const QString& s){
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int index = 0;
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while(s[index] == ' ' ) index++;
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return s.right(s.length()-index);
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}
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QString CSSSHPropertyParser::extractFunctionList(){
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QRegExp functionListPattern("\\s*([a-zA-Z0-9_]*\\([\\W\\w]*\\))\\s*");
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functionListPattern.search(m_propertyToParse);
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return functionListPattern.cap(1);
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}
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QString CSSSHPropertyParser::extractQuotedStringList(){
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QString temp;
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bool stop = false;
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unsigned int i=0;
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while(!stop && i<m_propertyToParse.length() ){
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if( m_propertyToParse[i] == ' ' ){
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if( ( temp.contains("\"") + temp.contains("\'") )%2 == 0 ) stop = true;
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else temp += m_propertyToParse[i];
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}
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else temp += m_propertyToParse[i];
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i++;
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}
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return temp;
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}
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QString CSSSHPropertyParser::extractURIList(){//extract things like url('...') or url("..") or url("..."), url(.....
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//kdDebug(24000) << "\n\n\nextractURIList()\n\n\n";
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QRegExp URIListPattern("\\s*(url\\([\\W\\w]*\\))\\s*");
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URIListPattern.search(m_propertyToParse);
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return URIListPattern.cap(1);
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}
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QStringList CSSSHPropertyParser::parse(){
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QStringList tokenList;
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bool stop = false;
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m_propertyToParse = removeBeginningWhiteSpaces(m_propertyToParse);
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while(!stop){
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QString temp;
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for(unsigned int i=0;i<m_propertyToParse.length() ;i++){
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if(m_propertyToParse[i] == ' ') break;// tokens are delimited by a blank
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temp+=m_propertyToParse[i];
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}
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if(temp.contains("url(") !=0 ){
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QString foundURIList = extractURIList();
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m_propertyToParse = removeBeginningWhiteSpaces(m_propertyToParse.remove(foundURIList));
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tokenList.append(foundURIList);
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}
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else
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if(temp.contains("(")!=0){
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QString foundFunctionList = extractFunctionList();
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m_propertyToParse = removeBeginningWhiteSpaces(m_propertyToParse.remove(foundFunctionList));
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tokenList.append(foundFunctionList);
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}
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else
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if(temp.contains("'")!=0 || temp.contains("\"")!=0 || temp.contains(",")!=0){
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QString foundQuotedStringList = extractQuotedStringList();
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m_propertyToParse = removeBeginningWhiteSpaces(m_propertyToParse.remove(foundQuotedStringList));
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tokenList.append(foundQuotedStringList);
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}
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else
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if(temp.contains("/")!=0){ //treat the presence of line-height in font shorthand form
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m_propertyToParse = removeBeginningWhiteSpaces(m_propertyToParse.remove(temp));
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tokenList.append(temp.section("/",0,0));
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tokenList.append("/"+temp.section("/",1,1));
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}
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else {
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tokenList.append(temp);
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int tempPos = m_propertyToParse.find(temp);
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m_propertyToParse = removeBeginningWhiteSpaces(m_propertyToParse.remove(tempPos,temp.length()));
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}
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if( m_propertyToParse.isEmpty() ) stop = true;
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}
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return tokenList;
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}
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