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/*
* Copyright (c) 2002-2003 Jesper K. Pedersen <blackie@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.
**/
#ifdef QT_ONLY
#include "compat.h"
#else
#include <kmessagebox.h>
#endif
#include "widgetfactory.h"
#include "repeatwidget.h"
#include "textwidget.h"
#include "characterswidget.h"
#include "altnwidget.h"
#include "zerowidgets.h"
#include "compoundwidget.h"
#include "concwidget.h"
#include "lookaheadwidget.h"
#include "textregexp.h"
#include "textrangeregexp.h"
#include "repeatregexp.h"
#include "lookaheadregexp.h"
#include "concregexp.h"
#include "altnregexp.h"
#include "positionregexp.h"
#include "dotregexp.h"
#include "kregexpeditorgui.h"
bool WidgetFactory::isContainer( RegExpType tp )
{
return ( tp == REPEAT || tp == ALTN || tp == COMPOUND );
}
RegExpWidget* WidgetFactory::createWidget( RegExpEditorWindow* win, QWidget* parent,
RegExpType type )
{
RegExpWidget* widget = 0;
switch (type) {
case TEXT:
return new TextWidget( win, parent ); break;
case ALTN:
return new AltnWidget( win, parent ); break;
case DOT:
return new AnyCharWidget( win, parent ); break;
case BEGLINE:
return new BegLineWidget( win, parent ); break;
case ENDLINE:
return new EndLineWidget( win, parent ); break;
case WORDBOUNDARY:
return new WordBoundaryWidget( win, parent ); break;
case NONWORDBOUNDARY:
return new NonWordBoundaryWidget( win, parent ); break;
case POSLOOKAHEAD:
case NEGLOOKAHEAD:
return new LookAheadWidget( win, type, parent ); break;
case REPEAT:
widget = new RepeatWidget( win, parent ); break;
case CHARSET:
widget = new CharactersWidget( win, parent ); break;
case COMPOUND:
widget = new CompoundWidget( win, parent ); break;
default:
qFatal("It should not be possible to get here!");
return 0;
}
if ( widget->edit() == QDialog::Rejected ) {
delete widget;
return 0;
}
return widget;
}
RegExpWidget* WidgetFactory::createWidget( RegExp* regexp, RegExpEditorWindow* editorWindow,
QWidget* parent )
{
if ( regexp == 0 ) {
qFatal("%s:%d Regexp is 0", __FILE__, __LINE__ );
}
else if ( TextRegExp* reg = dynamic_cast<TextRegExp*>( regexp ) )
return new TextWidget( reg, editorWindow, parent );
else if ( TextRangeRegExp* reg = dynamic_cast<TextRangeRegExp*>( regexp ) )
return new CharactersWidget( reg, editorWindow, parent );
else if ( RepeatRegExp* reg = dynamic_cast<RepeatRegExp*>( regexp ) )
return new RepeatWidget( reg, editorWindow, parent );
else if ( LookAheadRegExp* reg = dynamic_cast<LookAheadRegExp*>( regexp ) ) {
if ( reg->lookAheadType() == LookAheadRegExp::POSITIVE )
return new LookAheadWidget( reg, editorWindow, POSLOOKAHEAD, parent );
else
return new LookAheadWidget( reg, editorWindow, NEGLOOKAHEAD, parent );
}
else if ( ConcRegExp* reg = dynamic_cast<ConcRegExp*>( regexp ) )
return new ConcWidget( reg, editorWindow, parent );
else if ( AltnRegExp* reg = dynamic_cast<AltnRegExp*>( regexp ) )
return new AltnWidget( reg, editorWindow, parent );
else if ( PositionRegExp* reg = dynamic_cast<PositionRegExp*>( regexp ) ) {
switch ( reg->position() ) {
case PositionRegExp::BEGLINE:
return new BegLineWidget( editorWindow, parent );
case PositionRegExp::ENDLINE:
return new EndLineWidget( editorWindow, parent );
case PositionRegExp::WORDBOUNDARY:
return new WordBoundaryWidget( editorWindow, parent );
case PositionRegExp::NONWORDBOUNDARY:
return new NonWordBoundaryWidget( editorWindow, parent );
}
}
else if ( dynamic_cast<DotRegExp*>( regexp ) )
return new AnyCharWidget( editorWindow, parent );
else if ( CompoundRegExp* reg = dynamic_cast<CompoundRegExp*>( regexp ) )
return new CompoundWidget( reg, editorWindow, parent );
else {
qFatal("%s:%d Internal Error: Unknown RegExp type", __FILE__, __LINE__);
}
return 0;
}
RegExp* WidgetFactory::createRegExp( QDomElement node, const QString& version )
{
QString tag = node.tagName();
RegExp* regexp;
if ( tag == QString::fromLocal8Bit( "TextRange" ) )
regexp = new TextRangeRegExp( false );
else if ( tag == QString::fromLocal8Bit( "Text" ) )
regexp = new TextRegExp( false );
else if ( tag == QString::fromLocal8Bit( "Concatenation" ) )
regexp = new ConcRegExp( false );
else if ( tag == QString::fromLocal8Bit( "Alternatives" ) )
regexp = new AltnRegExp( false );
else if ( tag == QString::fromLocal8Bit( "BegLine" ) )
regexp = new PositionRegExp( false, PositionRegExp::BEGLINE );
else if ( tag == QString::fromLocal8Bit( "EndLine" ) )
regexp = new PositionRegExp( false, PositionRegExp::ENDLINE );
else if ( tag == QString::fromLocal8Bit( "WordBoundary" ) )
regexp = new PositionRegExp( false, PositionRegExp::WORDBOUNDARY );
else if ( tag == QString::fromLocal8Bit( "NonWordBoundary" ) )
regexp = new PositionRegExp( false, PositionRegExp::NONWORDBOUNDARY );
else if ( tag == QString::fromLocal8Bit( "PositiveLookAhead" ) )
regexp = new LookAheadRegExp( false, LookAheadRegExp::POSITIVE );
else if ( tag == QString::fromLocal8Bit( "NegativeLookAhead" ) )
regexp = new LookAheadRegExp( false, LookAheadRegExp::NEGATIVE );
else if ( tag == QString::fromLocal8Bit( "Compound" ) )
regexp = new CompoundRegExp( false );
else if ( tag == QString::fromLocal8Bit( "AnyChar" ) )
regexp = new DotRegExp( false );
else if ( tag == QString::fromLocal8Bit( "Repeat" ) )
regexp = new RepeatRegExp( false );
else {
KMessageBox::sorry( 0, i18n("<p>Unknown tag while reading XML. Tag was <b>%1</b></p>").arg(tag),
i18n("Error While Loading From XML File") ) ;
return 0;
}
bool ok = regexp->load( node, version );
if (ok)
return regexp;
else {
delete regexp;
return 0;
}
return 0;
}
RegExp* WidgetFactory::createRegExp( QString str )
{
QDomDocument doc;
bool ok = doc.setContent( str );
if ( !ok ) {
KMessageBox::sorry( 0, i18n("Error while loading regular expression from XML. Most probably the regular expression had unmatched tags."),
i18n("Error While Loading Regular Expression From XML") ) ;
}
// Read the RegularExpression element, and extract the version.
QDomElement top = doc.documentElement();
if (! (top.tagName() == QString::fromLocal8Bit("RegularExpression")) ) {
KMessageBox::sorry( 0, i18n("<p>XML file did not contain a <b>%1</b> tag.</p>").arg(QString::fromLatin1("RegularExpression")),
i18n("Error While Loading From XML File") ) ;
}
QString version = top.attribute( QString::fromLocal8Bit("version"), KRegExpEditorGUI::version );
QDomNode child = top.firstChild();
if ( ! child.isElement() ) {
KMessageBox::sorry( 0, i18n("<p>Error while reading XML file. The element just below the tag "
"<b>%1</b> was not an element.</p>").arg(QString::fromLatin1("RegularExpression")),
i18n("Error While Loading From XML File") ) ;
}
RegExp* regexp = WidgetFactory::createRegExp( child.toElement(), version );
return regexp;
}
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