processcall.cpp

/**************
FILE          : processcall.cpp
***************
PROJECT       : SaX2 - library interface
              :
AUTHOR        : Marcus Schäfer <ms@suse.de>
              :
BELONGS TO    : SaX2 - SuSE advanced X11 configuration 
              : 
              :
DESCRIPTION   : native C++ class library to access SaX2
              : functionality. Easy to use interface for
              : //.../
              : - importing/exporting X11 configurations
              : - modifying/creating X11 configurations 
              : ---
              :
              :
STATUS        : Status: Development
**************/
#include "processcall.h"
    
namespace SaX {
//====================================
// Constructor...
//------------------------------------
SaXProcessCall::SaXProcessCall ( void ) {
        mExitCode  = -1;
}

//====================================
// addArgument
//------------------------------------
void SaXProcessCall::addArgument ( const QString& arg ) {
        QString* argument = new QString;
        QTextOStream (argument) << "'" << arg << "'";
        mArguments.append ( argument );
}

//====================================
// addArgument
//------------------------------------
void SaXProcessCall::addArgument ( int arg ) {
        QString argString;
        QTextOStream (&argString) << arg;
        addArgument ( argString );
}

//====================================
// clearArguments
//------------------------------------
void SaXProcessCall::clearArguments ( void ) {
        mArguments.clear();
        mExitCode  = -1;
}

//====================================
// exitStatus
//------------------------------------
int SaXProcessCall::exitStatus ( void ) {
        return mExitCode;
}

//====================================
// start
//------------------------------------
bool SaXProcessCall::start ( void ) {
        //====================================
        // create program call string
        //------------------------------------
        QString program;
        QListIterator<QString> it ( mArguments );
        for (; it.current(); ++it ) {
                program.append (*it.current() + " ");
        }
        //====================================
        // start program and connect stream
        //------------------------------------
        char buf[LINESIZE];
        FILE* fp = popen (program.ascii(),"r");
        if ( ! fp ) {
                return false;
        }
        while (NULL != (fgets(buf,sizeof(buf)-1,fp))) {
                int line = strlen(buf)-1;
                buf[line] = 0;
                mData.append (new QString(buf));
        }
        mExitCode = pclose(fp);
        return true;
}

//====================================
// readStdout
//------------------------------------
QList<QString> SaXProcessCall::readStdout ( void ) {
        return mData;
}
} // end namespace

---