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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 ** Contact: Qt Software Information (qt-info@nokia.com)
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5 **
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6 ** This file is part of the QtCore module of the Qt Toolkit.
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7 **
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8 ** $QT_BEGIN_LICENSE:LGPL$
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9 ** Commercial Usage
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10 ** Licensees holding valid Qt Commercial licenses may use this file in
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11 ** accordance with the Qt Commercial License Agreement provided with the
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12 ** Software or, alternatively, in accordance with the terms contained in
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13 ** a written agreement between you and Nokia.
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14 **
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15 ** GNU Lesser General Public License Usage
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16 ** Alternatively, this file may be used under the terms of the GNU Lesser
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17 ** General Public License version 2.1 as published by the Free Software
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18 ** Foundation and appearing in the file LICENSE.LGPL included in the
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19 ** packaging of this file. Please review the following information to
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20 ** ensure the GNU Lesser General Public License version 2.1 requirements
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21 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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22 **
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23 ** In addition, as a special exception, Nokia gives you certain
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24 ** additional rights. These rights are described in the Nokia Qt LGPL
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25 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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26 ** package.
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27 **
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28 ** GNU General Public License Usage
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29 ** Alternatively, this file may be used under the terms of the GNU
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30 ** General Public License version 3.0 as published by the Free Software
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31 ** Foundation and appearing in the file LICENSE.GPL included in the
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32 ** packaging of this file. Please review the following information to
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33 ** ensure the GNU General Public License version 3.0 requirements will be
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34 ** met: http://www.gnu.org/copyleft/gpl.html.
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35 **
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36 ** If you are unsure which license is appropriate for your use, please
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37 ** contact the sales department at qt-sales@nokia.com.
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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 #ifndef QCORECMDLINEARGS_P_H
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43 #define QCORECMDLINEARGS_P_H
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44
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45 //
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46 // W A R N I N G
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47 // -------------
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48 //
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49 // This file is not part of the Qt API. It exists purely as an
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50 // implementation detail. This header file may change from version to
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51 // version without notice, or even be removed.
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52 //
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53 // We mean it.
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54 //
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55
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56 #include "QtCore/qstring.h"
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57 #include "QtCore/qstringlist.h"
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58
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59 QT_BEGIN_NAMESPACE
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60
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61 #if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
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62
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63 QT_BEGIN_INCLUDE_NAMESPACE
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64 #include "QtCore/qvector.h"
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65 #include "qt_windows.h"
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66 QT_END_INCLUDE_NAMESPACE
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67
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68 // template implementation of the parsing algorithm
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69 // this is used from qcoreapplication_win.cpp and the tools (rcc, uic...)
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70
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71 template<typename Char>
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72 static QVector<Char*> qWinCmdLine(Char *cmdParam, int length, int &argc)
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73 {
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74 QVector<Char*> argv(8);
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75 Char *p = cmdParam;
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76 Char *p_end = p + length;
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77
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78 argc = 0;
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79
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80 while (*p && p < p_end) { // parse cmd line arguments
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81 while (QChar((short)(*p)).isSpace()) // skip white space
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82 p++;
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83 if (*p && p < p_end) { // arg starts
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84 int quote;
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85 Char *start, *r;
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86 if (*p == Char('\"') || *p == Char('\'')) { // " or ' quote
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87 quote = *p;
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88 start = ++p;
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89 } else {
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90 quote = 0;
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91 start = p;
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92 }
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93 r = start;
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94 while (*p && p < p_end) {
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95 if (quote) {
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96 if (*p == quote) {
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97 p++;
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98 if (QChar((short)(*p)).isSpace())
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99 break;
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100 quote = 0;
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101 }
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102 }
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103 if (*p == '\\') { // escape char?
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104 p++;
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105 if (*p == Char('\"') || *p == Char('\''))
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106 ; // yes
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107 else
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108 p--; // treat \ literally
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109 } else {
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110 if (!quote && (*p == Char('\"') || *p == Char('\''))) { // " or ' quote
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111 quote = *p++;
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112 continue;
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113 } else if (QChar((short)(*p)).isSpace() && !quote)
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114 break;
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115 }
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116 if (*p)
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117 *r++ = *p++;
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118 }
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119 if (*p && p < p_end)
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120 p++;
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121 *r = Char('\0');
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122
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123 if (argc >= (int)argv.size()-1) // expand array
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124 argv.resize(argv.size()*2);
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125 argv[argc++] = start;
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126 }
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127 }
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128 argv[argc] = 0;
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129
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130 return argv;
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131 }
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132
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133 static inline QStringList qWinCmdArgs(QString cmdLine) // not const-ref: this might be modified
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134 {
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135 QStringList args;
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136
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137 int argc = 0;
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138 QVector<ushort*> argv = qWinCmdLine<ushort>((ushort*)cmdLine.utf16(), cmdLine.length(), argc);
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139 for (int a = 0; a < argc; ++a) {
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140 args << QString::fromUtf16(argv[a]);
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141 }
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142
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143 return args;
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144 }
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145
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146 static inline QStringList qCmdLineArgs(int argc, char *argv[])
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147 {
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148 Q_UNUSED(argc)
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149 Q_UNUSED(argv)
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150 QString cmdLine = QT_WA_INLINE(
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151 QString::fromUtf16((unsigned short*)GetCommandLineW()),
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152 QString::fromLocal8Bit(GetCommandLineA())
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153 );
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154 return qWinCmdArgs(cmdLine);
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155 }
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156
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157 #else // !Q_OS_WIN
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158
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159 static inline QStringList qCmdLineArgs(int argc, char *argv[])
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160 {
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161 QStringList args;
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162 for (int i = 0; i != argc; ++i)
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163 args += QString::fromLocal8Bit(argv[i]);
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164 return args;
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165 }
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166
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167 #endif // Q_OS_WIN
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168
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169 QT_END_NAMESPACE
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170
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171 #endif // QCORECMDLINEARGS_WIN_P_H
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