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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
/*
codechunk.cpp
*/
#include <qregexp.h>
#include <qstringlist.h>
#include "codechunk.h"
QT_BEGIN_NAMESPACE
enum { Other, Alnum, Gizmo, Comma, LParen, RParen, RAngle, Colon };
// entries 128 and above are Other
static const int charCategory[256] = {
Other, Other, Other, Other, Other, Other, Other, Other,
Other, Other, Other, Other, Other, Other, Other, Other,
Other, Other, Other, Other, Other, Other, Other, Other,
Other, Other, Other, Other, Other, Other, Other, Other,
// ! " # $ % & '
Other, Other, Other, Other, Other, Gizmo, Gizmo, Other,
// ( ) * + , - . /
LParen, RParen, Gizmo, Gizmo, Comma, Other, Other, Gizmo,
// 0 1 2 3 4 5 6 7
Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum,
// 8 9 : ; < = > ?
Alnum, Alnum, Colon, Other, Other, Gizmo, RAngle, Gizmo,
// @ A B C D E F G
Other, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum,
// H I J K L M N O
Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum,
// P Q R S T U V W
Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum,
// X Y Z [ \ ] ^ _
Alnum, Alnum, Alnum, Other, Other, Other, Gizmo, Alnum,
// ` a b c d e f g
Other, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum,
// h i j k l m n o
Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum,
// p q r s t u v w
Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum,
// x y z { | } ~
Alnum, Alnum, Alnum, LParen, Gizmo, RParen, Other, Other
};
static const bool needSpace[8][8] = {
/* [ a + , ( ) > : */
/* [ */ { false, false, false, false, false, true, false, false },
/* a */ { false, true, true, false, false, true, false, false },
/* + */ { false, true, false, false, false, true, false, true },
/* , */ { true, true, true, true, true, true, true, true },
/* ( */ { true, true, true, false, true, false, true, true },
/* ) */ { true, true, true, false, true, true, true, true },
/* > */ { true, true, true, false, true, true, true, false },
/* : */ { false, false, true, true, true, true, true, false }
};
static int category( QChar ch )
{
return charCategory[(int)ch.toLatin1()];
}
CodeChunk::CodeChunk()
: hotspot( -1 )
{
}
CodeChunk::CodeChunk( const QString& str )
: s( str ), hotspot( -1 )
{
}
void CodeChunk::append( const QString& lexeme )
{
if ( !s.isEmpty() && !lexeme.isEmpty() ) {
/*
Should there be a space or not between the code chunk so far and the
new lexeme?
*/
int cat1 = category(s.at(s.size() - 1));
int cat2 = category(lexeme[0]);
if ( needSpace[cat1][cat2] )
s += QLatin1Char( ' ' );
}
s += lexeme;
}
void CodeChunk::appendHotspot()
{
/*
The first hotspot is the right one.
*/
if ( hotspot == -1 )
hotspot = s.length();
}
QString CodeChunk::toString() const
{
return s;
}
QStringList CodeChunk::toPath() const
{
QString t = s;
t.remove(QRegExp(QLatin1String("<([^<>]|<([^<>]|<[^<>]*>)*>)*>")));
return t.split(QLatin1String("::"));
}
QT_END_NAMESPACE
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