source: trunk/tools/qdoc3/codechunk.cpp@ 349

Last change on this file since 349 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 5.6 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information (qt-info@nokia.com)
5**
6** This file is part of the tools applications of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at qt-sales@nokia.com.
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42/*
43 codechunk.cpp
44*/
45
46#include <qregexp.h>
47#include <qstringlist.h>
48
49#include "codechunk.h"
50
51QT_BEGIN_NAMESPACE
52
53enum { Other, Alnum, Gizmo, Comma, LParen, RParen, RAngle, Colon };
54
55// entries 128 and above are Other
56static const int charCategory[256] = {
57 Other, Other, Other, Other, Other, Other, Other, Other,
58 Other, Other, Other, Other, Other, Other, Other, Other,
59 Other, Other, Other, Other, Other, Other, Other, Other,
60 Other, Other, Other, Other, Other, Other, Other, Other,
61// ! " # $ % & '
62 Other, Other, Other, Other, Other, Gizmo, Gizmo, Other,
63// ( ) * + , - . /
64 LParen, RParen, Gizmo, Gizmo, Comma, Other, Other, Gizmo,
65// 0 1 2 3 4 5 6 7
66 Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum,
67// 8 9 : ; < = > ?
68 Alnum, Alnum, Colon, Other, Other, Gizmo, RAngle, Gizmo,
69// @ A B C D E F G
70 Other, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum,
71// H I J K L M N O
72 Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum,
73// P Q R S T U V W
74 Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum,
75// X Y Z [ \ ] ^ _
76 Alnum, Alnum, Alnum, Other, Other, Other, Gizmo, Alnum,
77// ` a b c d e f g
78 Other, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum,
79// h i j k l m n o
80 Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum,
81// p q r s t u v w
82 Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum,
83// x y z { | } ~
84 Alnum, Alnum, Alnum, LParen, Gizmo, RParen, Other, Other
85};
86
87static const bool needSpace[8][8] = {
88 /* [ a + , ( ) > : */
89 /* [ */ { false, false, false, false, false, true, false, false },
90 /* a */ { false, true, true, false, false, true, false, false },
91 /* + */ { false, true, false, false, false, true, false, true },
92 /* , */ { true, true, true, true, true, true, true, true },
93 /* ( */ { true, true, true, false, true, false, true, true },
94 /* ) */ { true, true, true, false, true, true, true, true },
95 /* > */ { true, true, true, false, true, true, true, false },
96 /* : */ { false, false, true, true, true, true, true, false }
97};
98
99static int category( QChar ch )
100{
101 return charCategory[(int)ch.toLatin1()];
102}
103
104CodeChunk::CodeChunk()
105 : hotspot( -1 )
106{
107}
108
109CodeChunk::CodeChunk( const QString& str )
110 : s( str ), hotspot( -1 )
111{
112}
113
114void CodeChunk::append( const QString& lexeme )
115{
116 if ( !s.isEmpty() && !lexeme.isEmpty() ) {
117 /*
118 Should there be a space or not between the code chunk so far and the
119 new lexeme?
120 */
121 int cat1 = category(s.at(s.size() - 1));
122 int cat2 = category(lexeme[0]);
123 if ( needSpace[cat1][cat2] )
124 s += QLatin1Char( ' ' );
125 }
126 s += lexeme;
127}
128
129void CodeChunk::appendHotspot()
130{
131 /*
132 The first hotspot is the right one.
133 */
134 if ( hotspot == -1 )
135 hotspot = s.length();
136}
137
138QString CodeChunk::toString() const
139{
140 return s;
141}
142
143QStringList CodeChunk::toPath() const
144{
145 QString t = s;
146 t.remove(QRegExp(QLatin1String("<([^<>]|<([^<>]|<[^<>]*>)*>)*>")));
147 return t.split(QLatin1String("::"));
148}
149
150QT_END_NAMESPACE
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