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tdenetwork/ksirc/ksparser.cpp

193 lines
5.2 KiB

/* This file is part of ksirc
Copyright (c) 2001 Malte Starostik <malte@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
// $Id$
#include <qstring.h>
#include <qcolor.h>
#include <qregexp.h>
#include <kdebug.h>
#include "ksopts.h"
#include "ksparser.h"
QString KSParser::parse( const QString &message )
{
QString res;
m_tags.clear();
m_attributes.clear();
m_beeped = false;
for (unsigned int i = 0; i < message.length();)
{
QChar ch = message[i++];
if (ch.latin1() == 0x03 || ch == '~' && i < message.length())
{
QChar next = message[ i++ ];
if (next.latin1() >= 0x30 && next.latin1() <= 0x39)
{
int fg = -1, len;
int bg = -1;
QRegExp colorRex("^[0-9]+");
if (colorRex.search(message.mid(--i)) >= 0)
{
len = colorRex.matchedLength();
fg = message.mid(i, len).toInt();
i += len;
}
if (message[i] == ',')
{
if (colorRex.search(message.mid(++i)) >= 0)
{
len = colorRex.matchedLength();
bg = message.mid(i, len).toInt();
i += len;
}
}
QString at;
QColor c = ircColor(fg);
if ( c.isValid() ) {
at += QString( "color=\"%1\" " ).arg( c.name() );
}
c = ircColor(bg);
if ( c.isValid() ) {
at += QString( "bgcolor=\"%1\" " ).arg( c.name() );
}
if(at.length() > 0){
res += pushTag( "font", at );
}
}
else if (ch.latin1() == 0x03) {
res += popTag( "font" );
/*
* We moved it forward looking for the number, back
* up or we miss a character. Don't do
* res += next since we need to actaully parse that one
*/
--i;
}
else if (ch == '~')
{
switch (next)
{
case 'c':
res += popTag( "font" );
break;
case 'C':
res += popAll();
break;
case 'r':
res += toggleTag( "r" );
break;
case 's': break;
case 'b':
res += toggleTag( "b" );
break;
case 'g':
m_beeped = true;
break;
case 'u':
res += toggleTag( "u" );
break;
case 'n':
res += toggleTag( "font", QString( "color=\"%1\"" ).arg( ksopts->nickForeground.name() ) );
break;
case 'o':
res += pushTag( "font", QString( "color=\"%1\"" ).arg( ksopts->msgContainNick.name() ) );
break;
case '#':
res += pushTag( "font", QString( "color=\"#%1\"" ).arg( message.mid(i, 6) ));
i+=6;
break;
case '~':
res += ch;
break;
default:
res += ch;
res += next;
break;
}
}
}
else
res += ch;
}
res.append( popAll() );
return res;
}
QString KSParser::pushTag(const QString &tag, const QString &attributes)
{
QString res;
m_tags.push(tag);
if (!m_attributes.contains(tag))
m_attributes.insert(tag, attributes);
else if (!attributes.isEmpty())
m_attributes.replace(tag, attributes);
res.append("<" + tag);
if (!m_attributes[tag].isEmpty())
res.append(" " + m_attributes[tag]);
return res + ">";
}
QString KSParser::popTag(const QString &tag)
{
if (!m_tags.contains(tag))
return QString::null;
QString res;
QValueStack<QString> savedTags;
while (m_tags.top() != tag)
{
savedTags.push(m_tags.pop());
res.append("</" + savedTags.top() + ">");
}
res.append("</" + m_tags.pop() + ">");
m_attributes.remove(tag);
while (!savedTags.isEmpty())
res.append(pushTag(savedTags.pop()));
return res;
}
QString KSParser::toggleTag(const QString &tag, const QString &attributes)
{
return m_attributes.contains(tag) ? popTag(tag) : pushTag(tag, attributes);
}
QString KSParser::popAll()
{
QString res;
while (!m_tags.isEmpty())
res.append("</" + m_tags.pop() + ">");
m_attributes.clear();
return res;
}
QColor KSParser::ircColor(int code)
{
if (code >= 0 && code < 16)
return ksopts->ircColors[code];
return QColor();
}