QProcess::ProcessChannel QProcessProto::readChannel() const
{
QProcess *item = qscriptvalue_cast<QProcess*>(thisObject());
if (item)
return item->readChannel();
return QProcess::ProcessChannel();
}
// Static utilities: Keep running as long as it gets data.
bool SynchronousProcess::readDataFromProcess(QProcess &p, int timeOutMS,
QByteArray *stdOut, QByteArray *stdErr,
bool showTimeOutMessageBox)
{
if (syncDebug)
qDebug() << ">readDataFromProcess" << timeOutMS;
if (p.state() != QProcess::Running) {
qWarning("readDataFromProcess: Process in non-running state passed in.");
return false;
}
QTC_ASSERT(p.readChannel() == QProcess::StandardOutput, return false)
// Keep the process running until it has no longer has data
bool finished = false;
bool hasData = false;
do {
finished = p.waitForFinished(timeOutMS);
hasData = false;
// First check 'stdout'
if (p.bytesAvailable()) { // applies to readChannel() only
hasData = true;
const QByteArray newStdOut = p.readAllStandardOutput();
if (stdOut)
stdOut->append(newStdOut);
}
// Check 'stderr' separately. This is a special handling
// for 'git pull' and the like which prints its progress on stderr.
const QByteArray newStdErr = p.readAllStandardError();
if (!newStdErr.isEmpty()) {
hasData = true;
if (stdErr)
stdErr->append(newStdErr);
}
// Prompt user, pretend we have data if says 'No'.
const bool hang = !hasData && !finished;
if (hang && showTimeOutMessageBox) {
if (!askToKill())
hasData = true;
}
} while (hasData && !finished);
if (syncDebug)
qDebug() << "<readDataFromProcess" << finished;
return finished;
}
void Area::saveEdit(int del){
//temporary file for the text edition
QFile newph("temp.ph");
newph.open(QIODevice::WriteOnly | QIODevice::Truncate);
QTextStream flux(&newph);
flux.setCodec("UTF-8");
QString *file = new QString("temp.ph");
QString fileXML("tempXML.xml");
std::string phFile = file->toStdString();
try{
//Save new text into new file
if(this->textArea->toPlainText().isEmpty()){
throw textAreaEmpty_exception();
}
flux << this->textArea->toPlainText() << endl;
newph.close();
if(del == 0){
emit makeTempXML();
}
// render graph
PHPtr myPHPtr = PHIO::parseFile(phFile);
this->myArea->setPHPtr(myPHPtr);
myPHPtr->render();
PHScenePtr scene = myPHPtr->getGraphicsScene();
this->myArea->setScene(&*scene);
// delete the current sortsTree and groupsTree
this->treeArea->sortsTree->clear();
//this->treeArea->groupsTree->clear();
// set the pointer of the treeArea
this->treeArea->myPHPtr = myPHPtr;
//set the pointer of the treeArea
this->treeArea->myArea = this->myArea;
// build the tree in the treeArea
this->treeArea->build();
this->indicatorEdit->setVisible(false);
this->saveTextEdit->setDefault(false);
this->textArea->incrementeNberTextChange();
this->typeOfCancel = 0;
this->saveTextEdit->setEnabled(false);
this->textArea->setNberEdit(0);
this->cancelTextEdit->setShortcut(QKeySequence());
this->setOldText();
newph.remove();
this->mainWindow->importXMLMetadata(fileXML);
}
catch(textAreaEmpty_exception & e){
QMessageBox::critical(this, "Error !", "You cannot update from an empty text area !");
}
catch(ph_parse_error & argh){
//Catch a parsing error !
//Put the exception into a QMessageBox critical
QString phc = "phc";
QStringList args;
args << "-l" << "dump" << "-i" << QString::fromUtf8(phFile.c_str()) << "--no-debug";
QProcess *phcProcess = new QProcess();
phcProcess->start(phc, args);
if (!phcProcess->waitForStarted())
throw pint_program_not_found() << file_info("phc");
phcProcess->readChannel();
// read result
QByteArray stderr;
QByteArray stdout;
while (!phcProcess->waitForFinished()) {
stderr += phcProcess->readAllStandardError();
stdout += phcProcess->readAllStandardOutput();
}
stderr += phcProcess->readAllStandardError();
stdout += phcProcess->readAllStandardOutput();
delete phcProcess;
//Use split function to only keep the line number
QStringList list = QString(stderr).split('"');
QStringList list2 = list[1].split(":");
QStringList list3 = list2[0].split(" ");
//One or more of your expressions are wrong !
newph.remove();
QMessageBox::critical(this, "Syntax error !", "One or more of your expressions are wrong !\nNear "+list3[0]+" "+list3[1]+" of dump");
//return NULL;
}
catch(sort_not_found& sort){
//Catch a error if the user delete a sort before associated actions !
QMessageBox::critical(this, "Error !", "Delete the associated actions before the process !");
}
}
