Moved engine from yat to konsole and refactored the project. Not everything works yet.

2014-03-20 11:29:29 +01:00
parent 36e755ea70
commit 926ce767f8
199 changed files with 29957 additions and 14929 deletions
@@ -0,0 +1,251 @@
+/*
+    This file is part of Konsole, an X terminal.
+    
+    Copyright 2006-2008 by Robert Knight <robertknight@gmail.com>
+    
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU Lesser 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 Lesser 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.
+*/
+
+// Own
+#include "TerminalCharacterDecoder.h"
+
+// Qt
+#include <QtCore/QTextStream>
+
+// KDE
+//#include <kdebug.h>
+
+// Konsole
+#include "konsole_wcwidth.h"
+
+
+PlainTextDecoder::PlainTextDecoder()
+ : _output(0)
+ , _includeTrailingWhitespace(true)
+ , _recordLinePositions(false)
+{
+
+}
+void PlainTextDecoder::setTrailingWhitespace(bool enable)
+{
+    _includeTrailingWhitespace = enable;
+}
+bool PlainTextDecoder::trailingWhitespace() const
+{
+    return _includeTrailingWhitespace;
+}
+void PlainTextDecoder::begin(QTextStream* output)
+{
+   _output = output;
+   if (!_linePositions.isEmpty())
+       _linePositions.clear();
+}
+void PlainTextDecoder::end()
+{
+    _output = 0;
+}
+
+void PlainTextDecoder::setRecordLinePositions(bool record)
+{
+    _recordLinePositions = record;
+}
+QList<int> PlainTextDecoder::linePositions() const
+{
+    return _linePositions;
+}
+void PlainTextDecoder::decodeLine(const Character* const characters, int count, LineProperty /*properties*/
+                             )
+{
+    Q_ASSERT( _output );
+
+    if (_recordLinePositions && _output->string())
+    {
+        int pos = _output->string()->count();
+        _linePositions << pos;
+    }
+
+    //TODO should we ignore or respect the LINE_WRAPPED line property?
+
+    //note:  we build up a QString and send it to the text stream rather writing into the text
+    //stream a character at a time because it is more efficient.
+    //(since QTextStream always deals with QStrings internally anyway)
+    QString plainText;
+    plainText.reserve(count);
+   
+    int outputCount = count;
+
+    // if inclusion of trailing whitespace is disabled then find the end of the
+    // line
+    if ( !_includeTrailingWhitespace )
+    {
+        for (int i = count-1 ; i >= 0 ; i--)
+        {
+            if ( characters[i].character != ' '  )
+                break;
+            else
+                outputCount--;
+        }
+    }
+    
+    for (int i=0;i<outputCount;)
+    {
+        plainText.append( QChar(characters[i].character) );
+        i += qMax(1,konsole_wcwidth(characters[i].character));
+    }
+    *_output << plainText;
+}
+
+HTMLDecoder::HTMLDecoder() :
+        _output(0)
+    ,_colorTable(base_color_table)
+       ,_innerSpanOpen(false)
+       ,_lastRendition(DEFAULT_RENDITION)
+{
+    
+}
+
+void HTMLDecoder::begin(QTextStream* output)
+{
+    _output = output;
+
+    QString text;
+
+    //open monospace span
+    openSpan(text,"font-family:monospace");
+
+    *output << text;
+}
+
+void HTMLDecoder::end()
+{
+    Q_ASSERT( _output );
+
+    QString text;
+
+    closeSpan(text);
+
+    *_output << text;
+
+    _output = 0;
+
+}
+
+//TODO: Support for LineProperty (mainly double width , double height)
+void HTMLDecoder::decodeLine(const Character* const characters, int count, LineProperty /*properties*/
+                            )
+{
+    Q_ASSERT( _output );
+
+    QString text;
+
+    int spaceCount = 0;
+        
+    for (int i=0;i<count;i++)
+    {
+        QChar ch(characters[i].character);
+
+        //check if appearance of character is different from previous char
+        if ( characters[i].rendition != _lastRendition  ||
+             characters[i].foregroundColor != _lastForeColor  ||
+             characters[i].backgroundColor != _lastBackColor )
+        {
+            if ( _innerSpanOpen )
+                    closeSpan(text);
+
+            _lastRendition = characters[i].rendition;
+            _lastForeColor = characters[i].foregroundColor;
+            _lastBackColor = characters[i].backgroundColor;
+            
+            //build up style string
+            QString style;
+
+            bool useBold;
+            ColorEntry::FontWeight weight = characters[i].fontWeight(_colorTable);
+            if (weight == ColorEntry::UseCurrentFormat)
+                useBold = _lastRendition & RE_BOLD;
+            else
+                useBold = weight == ColorEntry::Bold;
+            
+            if (useBold)
+                style.append("font-weight:bold;");
+
+            if ( _lastRendition & RE_UNDERLINE )
+                    style.append("font-decoration:underline;");
+        
+            //colours - a colour table must have been defined first
+            if ( _colorTable )    
+            {
+                style.append( QString("color:%1;").arg(_lastForeColor.color(_colorTable).name() ) );
+
+                if (!characters[i].isTransparent(_colorTable))
+                {
+                    style.append( QString("background-color:%1;").arg(_lastBackColor.color(_colorTable).name() ) );
+                }
+            }
+        
+            //open the span with the current style    
+            openSpan(text,style);
+            _innerSpanOpen = true;
+        }
+
+        //handle whitespace
+        if (ch.isSpace())
+            spaceCount++;
+        else
+            spaceCount = 0;
+        
+
+        //output current character
+        if (spaceCount < 2)
+        {
+            //escape HTML tag characters and just display others as they are
+            if ( ch == '<' )
+                text.append("&lt;");
+            else if (ch == '>')
+                    text.append("&gt;");
+            else    
+                    text.append(ch);
+        }
+        else
+        {
+            text.append("&nbsp;"); //HTML truncates multiple spaces, so use a space marker instead
+        }
+        
+    }
+
+    //close any remaining open inner spans
+    if ( _innerSpanOpen )
+        closeSpan(text);
+
+    //start new line
+    text.append("<br>");
+    
+    *_output << text;
+}
+void HTMLDecoder::openSpan(QString& text , const QString& style)
+{
+    text.append( QString("<span style=\"%1\">").arg(style) );
+}
+
+void HTMLDecoder::closeSpan(QString& text)
+{
+    text.append("</span>");
+}
+
+void HTMLDecoder::setColorTable(const ColorEntry* table)
+{
+    _colorTable = table;
+}