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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the tools applications of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 /* |
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43 codechunk.cpp |
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44 */ |
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45 |
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46 #include <qregexp.h> |
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47 #include <qstringlist.h> |
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48 |
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49 #include "codechunk.h" |
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50 |
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51 QT_BEGIN_NAMESPACE |
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52 |
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53 enum { Other, Alnum, Gizmo, Comma, LParen, RParen, RAngle, Colon }; |
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54 |
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55 // entries 128 and above are Other |
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56 static const int charCategory[256] = { |
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57 Other, Other, Other, Other, Other, Other, Other, Other, |
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58 Other, Other, Other, Other, Other, Other, Other, Other, |
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59 Other, Other, Other, Other, Other, Other, Other, Other, |
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60 Other, Other, Other, Other, Other, Other, Other, Other, |
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61 // ! " # $ % & ' |
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62 Other, Other, Other, Other, Other, Gizmo, Gizmo, Other, |
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63 // ( ) * + , - . / |
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64 LParen, RParen, Gizmo, Gizmo, Comma, Other, Other, Gizmo, |
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65 // 0 1 2 3 4 5 6 7 |
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66 Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, |
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67 // 8 9 : ; < = > ? |
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68 Alnum, Alnum, Colon, Other, Other, Gizmo, RAngle, Gizmo, |
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69 // @ A B C D E F G |
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70 Other, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, |
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71 // H I J K L M N O |
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72 Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, |
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73 // P Q R S T U V W |
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74 Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, |
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75 // X Y Z [ \ ] ^ _ |
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76 Alnum, Alnum, Alnum, Other, Other, Other, Gizmo, Alnum, |
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77 // ` a b c d e f g |
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78 Other, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, |
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79 // h i j k l m n o |
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80 Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, |
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81 // p q r s t u v w |
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82 Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, |
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83 // x y z { | } ~ |
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84 Alnum, Alnum, Alnum, LParen, Gizmo, RParen, Other, Other |
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85 }; |
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86 |
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87 static const bool needSpace[8][8] = { |
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88 /* [ a + , ( ) > : */ |
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89 /* [ */ { false, false, false, false, false, true, false, false }, |
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90 /* a */ { false, true, true, false, false, true, false, false }, |
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91 /* + */ { false, true, false, false, false, true, false, true }, |
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92 /* , */ { true, true, true, true, true, true, true, true }, |
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93 /* ( */ { true, true, true, false, true, false, true, true }, |
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94 /* ) */ { true, true, true, false, true, true, true, true }, |
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95 /* > */ { true, true, true, false, true, true, true, false }, |
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96 /* : */ { false, false, true, true, true, true, true, false } |
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97 }; |
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98 |
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99 static int category( QChar ch ) |
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100 { |
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101 return charCategory[(int)ch.toLatin1()]; |
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102 } |
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103 |
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104 CodeChunk::CodeChunk() |
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105 : hotspot( -1 ) |
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106 { |
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107 } |
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108 |
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109 CodeChunk::CodeChunk( const QString& str ) |
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110 : s( str ), hotspot( -1 ) |
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111 { |
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112 } |
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113 |
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114 void CodeChunk::append( const QString& lexeme ) |
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115 { |
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116 if ( !s.isEmpty() && !lexeme.isEmpty() ) { |
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117 /* |
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118 Should there be a space or not between the code chunk so far and the |
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119 new lexeme? |
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120 */ |
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121 int cat1 = category(s.at(s.size() - 1)); |
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122 int cat2 = category(lexeme[0]); |
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123 if ( needSpace[cat1][cat2] ) |
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124 s += QLatin1Char( ' ' ); |
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125 } |
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126 s += lexeme; |
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127 } |
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128 |
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129 void CodeChunk::appendHotspot() |
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130 { |
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131 /* |
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132 The first hotspot is the right one. |
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133 */ |
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134 if ( hotspot == -1 ) |
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135 hotspot = s.length(); |
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136 } |
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137 |
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138 QString CodeChunk::toString() const |
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139 { |
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140 return s; |
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141 } |
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142 |
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143 QStringList CodeChunk::toPath() const |
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144 { |
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145 QString t = s; |
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146 t.remove(QRegExp(QLatin1String("<([^<>]|<([^<>]|<[^<>]*>)*>)*>"))); |
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147 return t.split(QLatin1String("::")); |
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148 } |
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149 |
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150 QT_END_NAMESPACE |