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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