1 | /****************************************************************************
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2 | ** $Id: jprocess.h,v 1.5 2003/06/05 02:56:56 justin Exp $
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3 | **
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4 | ** Implementation of QProcess class
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5 | **
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6 | ** Created : 20000905
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7 | **
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8 | ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
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9 | **
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10 | ** This file is part of the kernel module of the Qt GUI Toolkit.
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11 | **
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12 | ** This file may be distributed under the terms of the Q Public License
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13 | ** as defined by Trolltech AS of Norway and appearing in the file
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14 | ** LICENSE.QPL included in the packaging of this file.
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15 | **
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16 | ** This file may be distributed and/or modified under the terms of the
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17 | ** GNU General Public License version 2 as published by the Free Software
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18 | ** Foundation and appearing in the file LICENSE.GPL included in the
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19 | ** packaging of this file.
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20 | **
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21 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
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22 | ** licenses may use this file in accordance with the Qt Commercial License
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23 | ** Agreement provided with the Software.
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24 | **
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25 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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26 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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27 | **
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28 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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29 | ** information about Qt Commercial License Agreements.
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30 | ** See http://www.trolltech.com/qpl/ for QPL licensing information.
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31 | ** See http://www.trolltech.com/gpl/ for GPL licensing information.
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32 | **
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33 | ** Contact info@trolltech.com if any conditions of this licensing are
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34 | ** not clear to you.
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35 | **
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36 | **********************************************************************/
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37 |
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38 | #ifndef JPROCESS_H
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39 | #define JPROCESS_H
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40 |
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41 | #ifndef QT_H
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42 | #include "qobject.h"
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43 | #include "qstringlist.h"
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44 | #include "qdir.h"
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45 | #endif // QT_H
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46 |
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47 | #ifndef QT_NO_PROCESS
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48 |
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49 | class JProcessPrivate;
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50 |
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51 |
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52 | class Q_EXPORT JProcess : public QObject
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53 | {
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54 | Q_OBJECT
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55 | public:
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56 | JProcess( QObject *parent=0, const char *name=0 );
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57 | JProcess( const QString& arg0, QObject *parent=0, const char *name=0 );
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58 | JProcess( const QStringList& args, QObject *parent=0, const char *name=0 );
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59 | ~JProcess();
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60 |
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61 | // set and get the arguments and working directory
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62 | QStringList arguments() const;
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63 | void clearArguments();
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64 | virtual void setArguments( const QStringList& args );
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65 | virtual void addArgument( const QString& arg );
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66 | #ifndef QT_NO_DIR
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67 | QDir workingDirectory() const;
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68 | virtual void setWorkingDirectory( const QDir& dir );
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69 | #endif
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70 |
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71 | // set and get the comms wanted
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72 | enum Communication { Stdin=0x01, Stdout=0x02, Stderr=0x04, DupStderr=0x08 };
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73 | void setCommunication( int c );
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74 | int communication() const;
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75 |
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76 | // start the execution
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77 | virtual bool start( QStringList *env=0 );
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78 | virtual bool launch( const QString& buf, QStringList *env=0 );
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79 | virtual bool launch( const QByteArray& buf, QStringList *env=0 );
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80 |
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81 | // inquire the status
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82 | bool isRunning() const;
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83 | bool normalExit() const;
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84 | int exitStatus() const;
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85 |
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86 | // reading
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87 | virtual QByteArray readStdout();
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88 | virtual QByteArray readStderr();
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89 | bool canReadLineStdout() const;
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90 | bool canReadLineStderr() const;
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91 | virtual QString readLineStdout();
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92 | virtual QString readLineStderr();
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93 |
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94 | // get platform dependent process information
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95 | #if defined(Q_OS_WIN32)
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96 | typedef void* PID;
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97 | #else
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98 | typedef Q_LONG PID;
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99 | void setChildStartingHandler(void (*childStarting)(JProcess *));
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100 | #endif
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101 | PID processIdentifier();
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102 |
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103 | void flushStdin();
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104 |
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105 | signals:
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106 | void readyReadStdout();
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107 | void readyReadStderr();
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108 | void processExited();
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109 | void wroteToStdin();
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110 | void launchFinished();
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111 |
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112 | public slots:
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113 | // end the execution
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114 | void tryTerminate() const;
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115 | void kill() const;
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116 |
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117 | // input
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118 | virtual void writeToStdin( const QByteArray& buf );
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119 | virtual void writeToStdin( const QString& buf );
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120 | virtual void closeStdin();
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121 |
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122 | protected: // ### or private?
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123 | void connectNotify( const char * signal );
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124 | void disconnectNotify( const char * signal );
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125 | private:
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126 | void setIoRedirection( bool value );
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127 | void setNotifyOnExit( bool value );
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128 | void setWroteStdinConnected( bool value );
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129 |
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130 | void init();
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131 | void reset();
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132 | #if defined(Q_OS_WIN32)
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133 | uint readStddev( HANDLE dev, char *buf, uint bytes );
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134 | #endif
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135 | bool scanNewline( bool stdOut, QByteArray *store );
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136 |
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137 | QByteArray* bufStdout();
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138 | QByteArray* bufStderr();
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139 | void consumeBufStdout( int consume );
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140 | void consumeBufStderr( int consume );
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141 |
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142 | private slots:
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143 | void socketRead( int fd );
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144 | void socketWrite( int fd );
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145 | void timeout();
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146 | void closeStdinLaunch();
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147 |
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148 | private:
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149 | JProcessPrivate *d;
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150 | #ifndef QT_NO_DIR
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151 | QDir workingDir;
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152 | #endif
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153 | QStringList _arguments;
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154 |
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155 | int exitStat; // exit status
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156 | bool exitNormal; // normal exit?
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157 | bool ioRedirection; // automatically set be (dis)connectNotify
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158 | bool notifyOnExit; // automatically set be (dis)connectNotify
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159 | bool wroteToStdinConnected; // automatically set be (dis)connectNotify
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160 |
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161 | bool readStdoutCalled;
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162 | bool readStderrCalled;
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163 | int comms;
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164 |
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165 | friend class JProcessPrivate;
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166 | #if defined(Q_OS_UNIX)
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167 | friend class JProcessManager;
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168 | friend class JProc;
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169 | #endif
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170 |
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171 | #if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
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172 | JProcess( const JProcess & );
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173 | JProcess &operator=( const JProcess & );
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174 | #endif
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175 | };
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176 |
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177 | #endif // QT_NO_PROCESS
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178 |
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179 | #endif // QPROCESS_H
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