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/* 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.
*/
/*
Color parser code courtesy of ksirc <http://www.kde.org>
Modified by Jason Keirstead <jason@keirstead.org>
*/
#include <knotifyclient.h>
#include <kdebug.h>
#include <tqbuffer.h>
#include <tqdatastream.h>
#include <tqstylesheet.h>
#include "ksparser.h"
#include <stdlib.h>
KSParser KSParser::m_parser;
const TQColor KSParser::IRC_Colors[17]=
{
TQt::white,
TQt::black,
TQt::darkBlue,
TQt::darkGreen,
TQt::red,
TQt::darkRed,
TQt::darkMagenta,
TQt::darkYellow,
TQt::yellow,
TQt::green,
TQt::darkCyan,
TQt::cyan,
TQt::blue,
TQt::magenta,
TQt::darkGray,
TQt::gray,
TQColor() // default invalid color, must be the last
};
const TQRegExp KSParser::sm_colorsModeRegexp("(\\d{1,2})(?:,(\\d{1,2}))?");
template <typename _TYPE_>
inline void swap(_TYPE_ &o1, _TYPE_ &o2)
{
_TYPE_ tmp = o1;
o1 = o2;
o2 = tmp;
}
KSParser::KSParser()
{
kdDebug(14120) << k_funcinfo << endl;
}
KSParser::~KSParser()
{
kdDebug(14120) << k_funcinfo << endl;
}
/* NOTE: If thread corruption are seen simply ad a qlock here */
TQCString KSParser::parse(const TQCString &message)
{
return m_parser._parse(message);
}
TQCString KSParser::_parse(const TQCString &message)
{
TQCString data( message.size() * 2 );
TQBuffer buff( data );
buff.open( IO_WriteOnly );
m_tags.clear();
m_attributes.clear();
TQRegExp colorsModeRegexp(sm_colorsModeRegexp);
// should be set to the current default colors ....
TQColor fgColor; /*KopeteMesage::fg().name()*/
TQColor bgColor; /*KopeteMesage::bg().name()*/
uint chars = 0;
for(uint i = 0; i < message.length(); ++i)
{
const TQChar &cur = message[i];
TQString toAppend;
switch (cur)
{
case 0x02: //Bold: ^B
toAppend= toggleTag("b");
break;
case 0x03: //Color code: ^C
if (colorsModeRegexp.search(message, i+1) == (int)i+1)
{
i += colorsModeRegexp.matchedLength(); // + 1 will be added by ++
TQString tagStyle;
fgColor = ircColor(colorsModeRegexp.cap(1));
bgColor = ircColor(colorsModeRegexp.cap(2));
toAppend = pushColorTag(fgColor, bgColor);
}
else
{
toAppend = popTag(TQString::fromLatin1("span"));
}
break;
case 0x07: //System bell: ^G
KNotifyClient::beep( TQString::fromLatin1("IRC beep event received in a message") );
break;
case '\t': // 0x09
toAppend = TQString::fromLatin1(" ");
break;
case '\n': // 0x0D
toAppend= TQString::fromLatin1("<br/>");
break;
case 0x0D: // Italics: ^N
toAppend = toggleTag("i");
break;
case 0x0F: //Plain Text, close all tags: ^O
toAppend = popAll();
break;
// case 0x12: // Reverse original text colors: ^R
// break;
case 0x16: //Invert Colors: ^V
swap(fgColor, bgColor);
toAppend = pushColorTag(fgColor, bgColor);
break;
case 0x1F: //Underline
toAppend = toggleTag("u");
break;
case '<':
toAppend = TQString::fromLatin1("<");
break;
case '>':
toAppend = TQString::fromLatin1(">");
break;
default:
if (cur < TQChar(' ')) // search for control characters
toAppend = TQString::fromLatin1("<%1>").arg(cur, 2, 16).upper();
else
toAppend = TQStyleSheet::escape(cur);
}
chars += toAppend.length();
buff.writeBlock( toAppend.latin1(), toAppend.length() );
}
TQString toAppend = popAll();
chars += toAppend.length();
buff.writeBlock( toAppend.latin1(), toAppend.length() );
// Make sure we have enough room for NULL character.
if (data.size() < chars+1)
data.resize(chars+1);
data[chars] = '\0';
return data;
}
TQString KSParser::pushTag(const TQString &tag, const TQString &attributes)
{
TQString 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 + ">";
}
TQString KSParser::pushColorTag(const TQColor &fgColor, const TQColor &bgColor)
{
TQString tagStyle;
if (fgColor.isValid())
tagStyle += TQString::fromLatin1("color:%1;").arg(fgColor.name());
if (bgColor.isValid())
tagStyle += TQString::fromLatin1("background-color:%1;").arg(bgColor.name());
if(!tagStyle.isEmpty())
tagStyle = TQString::fromLatin1("style=\"%1\"").arg(tagStyle);
return pushTag(TQString::fromLatin1("span"), tagStyle);;
}
TQString KSParser::popTag(const TQString &tag)
{
if (!m_tags.contains(tag))
return TQString();
TQString res;
TQValueStack<TQString> 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;
}
TQString KSParser::toggleTag(const TQString &tag)
{
return m_attributes.contains(tag)?popTag(tag):pushTag(tag);
}
TQString KSParser::popAll()
{
TQString res;
while(!m_tags.isEmpty())
res.append("</" + m_tags.pop() + ">");
m_attributes.clear();
return res;
}
TQColor KSParser::ircColor(const TQString &color)
{
bool success;
unsigned int intColor = color.toUInt(&success);
if (success)
return ircColor(intColor);
else
return TQColor();
}
TQColor KSParser::ircColor(unsigned int color)
{
unsigned int maxcolor = sizeof(IRC_Colors)/sizeof(TQColor);
return color<=maxcolor?IRC_Colors[color]:IRC_Colors[maxcolor];
}
int KSParser::colorForHTML(const TQString &html)
{
TQColor color(html);
for(uint i=0; i<sizeof(IRC_Colors)/sizeof(TQColor); i++)
{
if(IRC_Colors[i] == color)
return i;
}
return -1;
}
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