--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/qdoc3/codechunk.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,150 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@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