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This file is part of Konsole, an X terminal.
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Copyright 2006-2008 by Robert Knight <robertknight@gmail.com>
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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 Lesser 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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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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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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#include "TerminalCharacterDecoder.h"
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#include <QTextStream>
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#include "konsole_wcwidth.h"
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using namespace Konsole;
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PlainTextDecoder::PlainTextDecoder()
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, _includeTrailingWhitespace(true)
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, _recordLinePositions(false)
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void PlainTextDecoder::setTrailingWhitespace(bool enable)
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_includeTrailingWhitespace = enable;
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bool PlainTextDecoder::trailingWhitespace() const
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return _includeTrailingWhitespace;
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void PlainTextDecoder::begin(QTextStream* output)
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if (!_linePositions.isEmpty())
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_linePositions.clear();
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void PlainTextDecoder::end()
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void PlainTextDecoder::setRecordLinePositions(bool record)
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_recordLinePositions = record;
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QList<int> PlainTextDecoder::linePositions() const
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return _linePositions;
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void PlainTextDecoder::decodeLine(const Character* const characters, int count, LineProperty /*properties*/
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if (_recordLinePositions && _output->string())
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int pos = _output->string()->count();
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_linePositions << pos;
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//TODO should we ignore or respect the LINE_WRAPPED line property?
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//note: we build up a QString and send it to the text stream rather writing into the text
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//stream a character at a time because it is more efficient.
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//(since QTextStream always deals with QStrings internally anyway)
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plainText.reserve(count);
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int outputCount = count;
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// if inclusion of trailing whitespace is disabled then find the end of the
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if ( !_includeTrailingWhitespace )
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for (int i = count-1 ; i >= 0 ; i--)
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if ( characters[i].character != ' ' )
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for (int i=0;i<outputCount;)
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plainText.append( QChar(characters[i].character) );
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i += qMax(1,konsole_wcwidth(characters[i].character));
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*_output << plainText;
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HTMLDecoder::HTMLDecoder() :
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,_colorTable(base_color_table)
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,_innerSpanOpen(false)
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,_lastRendition(DEFAULT_RENDITION)
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void HTMLDecoder::begin(QTextStream* output)
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//open monospace span
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openSpan(text,"font-family:monospace");
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void HTMLDecoder::end()
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//TODO: Support for LineProperty (mainly double width , double height)
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void HTMLDecoder::decodeLine(const Character* const characters, int count, LineProperty /*properties*/
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for (int i=0;i<count;i++)
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QChar ch(characters[i].character);
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//check if appearance of character is different from previous char
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if ( characters[i].rendition != _lastRendition ||
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characters[i].foregroundColor != _lastForeColor ||
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characters[i].backgroundColor != _lastBackColor )
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if ( _innerSpanOpen )
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_lastRendition = characters[i].rendition;
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_lastForeColor = characters[i].foregroundColor;
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_lastBackColor = characters[i].backgroundColor;
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//build up style string
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ColorEntry::FontWeight weight = characters[i].fontWeight(_colorTable);
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if (weight == ColorEntry::UseCurrentFormat)
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useBold = _lastRendition & RE_BOLD;
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useBold = weight == ColorEntry::Bold;
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style.append("font-weight:bold;");
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if ( _lastRendition & RE_UNDERLINE )
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style.append("font-decoration:underline;");
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//colours - a colour table must have been defined first
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style.append( QString("color:%1;").arg(_lastForeColor.color(_colorTable).name() ) );
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if (!characters[i].isTransparent(_colorTable))
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style.append( QString("background-color:%1;").arg(_lastBackColor.color(_colorTable).name() ) );
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//open the span with the current style
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openSpan(text,style);
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_innerSpanOpen = true;
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//output current character
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//escape HTML tag characters and just display others as they are
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text.append(" "); //HTML truncates multiple spaces, so use a space marker instead
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//close any remaining open inner spans
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if ( _innerSpanOpen )
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void HTMLDecoder::openSpan(QString& text , const QString& style)
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text.append( QString("<span style=\"%1\">").arg(style) );
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void HTMLDecoder::closeSpan(QString& text)
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text.append("</span>");
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void HTMLDecoder::setColorTable(const ColorEntry* table)