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/***************************************************************************
* Copyright (C) 2003 by Gulmini Luciano *
* gulmini.luciano@student.unife.it *
* *
* 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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "cssshpropertyparser.h"
#include <tqregexp.h>
//#include <kdebug.h>
CSSSHPropertyParser::CSSSHPropertyParser(const TQString& s){
TQStringList l1,
l2=TQStringList::split(",",s);
for ( TQStringList::Iterator it = l2.begin(); it != l2.end(); ++it ) {
TQString temp;
temp=removeBeginningWhiteSpaces((*it));
temp=removeEndingWhiteSpaces(temp);
l1.append(temp);
}
m_propertyToParse = l1.join(",");// we eliminte blanks before after a comma in things like "something" , something , serif
}
CSSSHPropertyParser::~CSSSHPropertyParser(){}
TQString CSSSHPropertyParser::removeEndingWhiteSpaces(const TQString& s){
int index = s.length()-1;
while(s[index] == ' ' ) index--;
return s.left(index+1);
}
TQString CSSSHPropertyParser::removeBeginningWhiteSpaces(const TQString& s){
int index = 0;
while(s[index] == ' ' ) index++;
return s.right(s.length()-index);
}
TQString CSSSHPropertyParser::extractFunctionList(){
TQRegExp functionListPattern("\\s*([a-zA-Z0-9_]*\\([\\W\\w]*\\))\\s*");
functionListPattern.search(m_propertyToParse);
return functionListPattern.cap(1);
}
TQString CSSSHPropertyParser::extractQuotedStringList(){
TQString temp;
bool stop = false;
unsigned int i=0;
while(!stop && i<m_propertyToParse.length() ){
if( m_propertyToParse[i] == ' ' ){
if( ( temp.tqcontains("\"") + temp.tqcontains("\'") )%2 == 0 ) stop = true;
else temp += m_propertyToParse[i];
}
else temp += m_propertyToParse[i];
i++;
}
return temp;
}
TQString CSSSHPropertyParser::extractURIList(){//extract things like url('...') or url("..") or url("..."), url(.....
//kdDebug(24000) << "\n\n\nextractURIList()\n\n\n";
TQRegExp URIListPattern("\\s*(url\\([\\W\\w]*\\))\\s*");
URIListPattern.search(m_propertyToParse);
return URIListPattern.cap(1);
}
TQStringList CSSSHPropertyParser::parse(){
TQStringList tokenList;
bool stop = false;
m_propertyToParse = removeBeginningWhiteSpaces(m_propertyToParse);
while(!stop){
TQString temp;
for(unsigned int i=0;i<m_propertyToParse.length() ;i++){
if(m_propertyToParse[i] == ' ') break;// tokens are delimited by a blank
temp+=m_propertyToParse[i];
}
if(temp.tqcontains("url(") !=0 ){
TQString foundURIList = extractURIList();
m_propertyToParse = removeBeginningWhiteSpaces(m_propertyToParse.remove(foundURIList));
tokenList.append(foundURIList);
}
else
if(temp.tqcontains("(")!=0){
TQString foundFunctionList = extractFunctionList();
m_propertyToParse = removeBeginningWhiteSpaces(m_propertyToParse.remove(foundFunctionList));
tokenList.append(foundFunctionList);
}
else
if(temp.tqcontains("'")!=0 || temp.tqcontains("\"")!=0 || temp.tqcontains(",")!=0){
TQString foundQuotedStringList = extractQuotedStringList();
m_propertyToParse = removeBeginningWhiteSpaces(m_propertyToParse.remove(foundQuotedStringList));
tokenList.append(foundQuotedStringList);
}
else
if(temp.tqcontains("/")!=0){ //treat the presence of line-height in font shorthand form
m_propertyToParse = removeBeginningWhiteSpaces(m_propertyToParse.remove(temp));
tokenList.append(temp.section("/",0,0));
tokenList.append("/"+temp.section("/",1,1));
}
else {
tokenList.append(temp);
int tempPos = m_propertyToParse.tqfind(temp);
m_propertyToParse = removeBeginningWhiteSpaces(m_propertyToParse.remove(tempPos,temp.length()));
}
if( m_propertyToParse.isEmpty() ) stop = true;
}
return tokenList;
}
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