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/*

  command.cpp

*/

#include <QProcess>

#include "command.h"

QT_BEGIN_NAMESPACE

void executeCommand(const Location& location,

                    const QString& format,

                    const QStringList& args)

{

    QString actualCommand;

    for (int i = 0; i < (int) format.length(); i++) {

	int ch = format[i].unicode();

	if (ch > 0 && ch < 8) {

	    actualCommand += args[ch - 1];

	}

        else {

	    actualCommand += format[i];

	}

    }

    QString toolName = actualCommand;

    int space = toolName.indexOf(QLatin1Char(' '));

    if (space != -1)

	toolName.truncate(space);

    QProcess process;

    process.start(QLatin1String("sh"),

        QStringList() << QLatin1String("-c") << actualCommand);

    process.waitForFinished();

    if (process.exitCode() == 127)

	location.fatal(tr("Couldn't launch the '%1' tool")

                       .arg(toolName),

                       tr("Make sure the tool is installed and in the"

                          " path."));

    QString errors = QString::fromLocal8Bit(process.readAllStandardError());

    while (errors.endsWith(QLatin1Char('\n')))

        errors.truncate(errors.length() - 1);

    if (!errors.isEmpty())

	location.fatal(tr("The '%1' tool encountered some problems")

                       .arg(toolName),

                       tr("The tool was invoked like this:\n%1\n"

                          "It emitted these errors:\n%2")

                       .arg(actualCommand).arg(errors));

}

QT_END_NAMESPACE