diff options
Diffstat (limited to 'kopete/protocols/gadu/gadurichtextformat.cpp')
| -rw-r--r-- | kopete/protocols/gadu/gadurichtextformat.cpp | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/kopete/protocols/gadu/gadurichtextformat.cpp b/kopete/protocols/gadu/gadurichtextformat.cpp new file mode 100644 index 00000000..a93b95fd --- /dev/null +++ b/kopete/protocols/gadu/gadurichtextformat.cpp @@ -0,0 +1,291 @@ +// -*- Mode: c++-mode; c-basic-offset: 2; indent-tabs-mode: t; tab-width: 2; -*- +// +// Copyright (C) 2004 Grzegorz Jaskiewicz <gj at pointblue.com.pl> +// +// gadurichtextformat.cpp +// +// 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., 59 Temple Place - Suite 330, Boston, MA +// 02111-1307, USA. + +#include <knotifyclient.h> +#include <kdebug.h> +#include <kopetemessage.h> + +#include "gadurichtextformat.h" +#include "gadusession.h" + +#include <qstring.h> +#include <qregexp.h> + +GaduRichTextFormat::GaduRichTextFormat() +{ +} + +GaduRichTextFormat::~GaduRichTextFormat() +{ +} + +QString +GaduRichTextFormat::convertToHtml( const QString& msg, unsigned int formats, void* formatStructure) +{ + QString tmp, nb; + gg_msg_richtext_format *format; + char *pointer = (char*) formatStructure; + + unsigned int i,j; + int r, g, b; + r = g = b = 0; + bool opened = false; + + if ( formatStructure == NULL || formats == 0 ) { + tmp = msg; + escapeBody( tmp ); + return tmp; + } + + for ( i = 0, j = 0 ; i < formats ; ) { + format = (gg_msg_richtext_format*) pointer; + unsigned int position = format->position; + char font = format->font; + QString style; + + if ( position < j || position > msg.length() ) { + break; + } + + if ( font & GG_FONT_IMAGE ) { + i += sizeof( gg_msg_richtext_image ); + pointer += sizeof( gg_msg_richtext_image ); + tmp += "<b>[this should be a picture, not yet implemented]</b>"; + } + else { + nb = msg.mid( j, position - j ); + tmp += escapeBody( nb ); + + j = position; + + // add message bit between formating + if ( opened ) { + tmp += formatClosingTag("span"); + opened = false; + } + // set font attributes + if ( font & GG_FONT_BOLD ) { + style += (" font-weight:bold; "); + } + if ( font & GG_FONT_ITALIC ) { + style += (" font-style:italic; "); + } + if ( font & GG_FONT_UNDERLINE ) { + style += (" text-decoration:underline; "); + } + // add color + if ( font & GG_FONT_COLOR ) { + pointer += sizeof( gg_msg_richtext_format ); + i += sizeof( gg_msg_richtext_format ); + gg_msg_richtext_color *color = (gg_msg_richtext_color*)( pointer ); + r = (int)color->red; + g = (int)color->green; + b = (int)color->blue; + } + style += QString(" color: rgb( %1, %2, %3 ); ").arg( r ).arg( g ).arg( b ); + + tmp += formatOpeningTag( QString::fromLatin1("span"), QString::fromLatin1("style=\"%1\"").arg( style ) ); + opened = true; + + } + + // advance to next structure in row + pointer += sizeof( gg_msg_richtext_format ); + i += sizeof( gg_msg_richtext_format ); + } + + nb = msg.mid( j, msg.length() ); + tmp += escapeBody( nb ); + if ( opened ) { + tmp += formatClosingTag("span"); + } + + return tmp; +} + +QString +GaduRichTextFormat::formatOpeningTag( const QString& tag, const QString& attributes ) +{ + QString res = "<" + tag; + if(!attributes.isEmpty()) + res.append(" " + attributes); + return res + ">"; +} + +QString +GaduRichTextFormat::formatClosingTag( const QString& tag ) +{ + return "</" + tag + ">"; +} + +// the initial idea stolen from IRC plugin +KGaduMessage* +GaduRichTextFormat::convertToGaduMessage( const Kopete::Message& message ) +{ + QString htmlString = message.escapedBody(); + KGaduMessage* output = new KGaduMessage; + rtcs.blue = rtcs.green = rtcs.red = 0; + color = QColor(); + int position = 0; + + rtf.resize( sizeof( gg_msg_richtext) ); + output->rtf.resize(0); + + // test first if there is any HTML formating in it + if( htmlString.find( QString::fromLatin1("</span") ) > -1 ) { + QRegExp findTags( QString::fromLatin1("<span style=\"(.*)\">(.*)</span>") ); + findTags.setMinimal( true ); + int pos = 0; + int lastpos = 0; + + while ( pos >= 0 ){ + pos = findTags.search( htmlString ); + rtfs.font = 0; + if ( pos != lastpos ) { + QString tmp; + if ( pos < 0 ) { + tmp = htmlString.mid( lastpos ); + } + else { + tmp = htmlString.mid( lastpos, pos - lastpos ); + } + if ( !tmp.isEmpty() ) { + color.setRgb( 0, 0, 0 ); + if ( insertRtf( position ) == false ) { + delete output; + return NULL; + } + tmp = unescapeGaduMessage( tmp ); + output->message += tmp; + position += tmp.length(); + } + } + + if ( pos > -1 ) { + QString styleHTML = findTags.cap(1); + QString replacement = findTags.cap(2); + QStringList styleAttrs = QStringList::split( ';', styleHTML ); + rtfs.font = 0; + + lastpos = pos + replacement.length(); + + for( QStringList::Iterator attrPair = styleAttrs.begin(); attrPair != styleAttrs.end(); ++attrPair ) { + QString attribute = (*attrPair).section(':',0,0); + QString value = (*attrPair).section(':',1); + parseAttributes( attribute, value ); + } + + if ( insertRtf( position ) == false ) { + delete output; + return NULL; + } + + QString rep = QString("<span style=\"%1\">%2</span>" ).arg( styleHTML ).arg( replacement ); + htmlString.replace( findTags.pos( 0 ), rep.length(), replacement ); + + replacement = unescapeGaduMessage( replacement ); + output->message += replacement; + position += replacement.length(); + } + + } + output->rtf = rtf; + // this is sick, but that's the way libgadu is designed + // here I am adding network header !, should sit in libgadu IMO + header = (gg_msg_richtext*) output->rtf.data(); + header->length = output->rtf.size() - sizeof( gg_msg_richtext ); + header->flag = 2; + } + else { + output->message = message.escapedBody(); + output->message = unescapeGaduMessage( output->message ); + } + + return output; + +} + +void +GaduRichTextFormat::parseAttributes( const QString attribute, const QString value ) +{ + if( attribute == QString::fromLatin1("color") ) { + color.setNamedColor( value ); + } + if( attribute == QString::fromLatin1("font-weight") && value == QString::fromLatin1("600") ) { + rtfs.font |= GG_FONT_BOLD; + } + if( attribute == QString::fromLatin1("text-decoration") && value == QString::fromLatin1("underline") ) { + rtfs.font |= GG_FONT_UNDERLINE ; + } + if( attribute == QString::fromLatin1("font-style") && value == QString::fromLatin1("italic") ) { + rtfs.font |= GG_FONT_ITALIC; + } +} + +QString +GaduRichTextFormat::unescapeGaduMessage( QString& ns ) +{ + QString s; + s = Kopete::Message::unescape( ns ); + s.replace( QString::fromAscii( "\n" ), QString::fromAscii( "\r\n" ) ); + return s; +} + +bool +GaduRichTextFormat::insertRtf( uint position) +{ + if ( color != QColor( rtcs.red, rtcs.green, rtcs.blue ) ) { + rtcs.red = color.red(); + rtcs.green = color.green(); + rtcs.blue = color.blue(); + rtfs.font |= GG_FONT_COLOR; + } + + if ( rtfs.font ) { + // append font description + rtfs.position = position; + uint csize = rtf.size(); + if ( rtf.resize( csize + sizeof( gg_msg_richtext_format ) ) == FALSE ) { + return false; + }; + memcpy( rtf.data() + csize, &rtfs, sizeof( rtfs ) ); + // append color description, if color has changed + if ( rtfs.font & GG_FONT_COLOR ) { + csize = rtf.size(); + if ( rtf.resize( csize + sizeof( gg_msg_richtext_color ) ) == FALSE ) { + return false; + }; + memcpy( rtf.data() + csize, &rtcs, sizeof( rtcs ) ); + } + } + return true; +} + +QString +GaduRichTextFormat::escapeBody( QString& input ) +{ + input.replace( '<', QString::fromLatin1("<") ); + input.replace( '>', QString::fromLatin1(">") ); + input.replace( '\n', QString::fromLatin1( "<br />" ) ); + input.replace( '\t', QString::fromLatin1( " " ) ); + input.replace( QRegExp( QString::fromLatin1( "\\s\\s" ) ), QString::fromLatin1( " " ) ); + return input; +} |