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Add escape sequence support to GUI

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Also ensures that CR/LF formatted files remain unaltered when importing
Fixes #72 reported by Siniša Sudec
This commit is contained in:
Robin Stuart 2017-10-22 10:55:50 +01:00
parent 0314ca65a8
commit 29dbb49325
3 changed files with 25 additions and 7 deletions
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24
frontend_qt/datawindow.cpp
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@ -77,7 +77,8 @@ void DataWindow::from_file()
QString filename;
QFile file;
QByteArray outstream;
QString escape_string;
open_dialog.setWindowTitle("Open File");
open_dialog.setDirectory(settings.value("studio/default_dir", QDir::toNativeSeparators(QDir::homePath())).toString());
@ -92,10 +93,27 @@ void DataWindow::from_file()
QMessageBox::critical(this, tr("Open Error"), tr("Could not open selected file."));
return;
}
outstream = file.readAll();
txtDataInput->setPlainText(QString(outstream));
/* Allow some non-printing (control) characters to be read from file
by converting them to escape sequences */
escape_string.clear();
escape_string.append(QString(outstream));
escape_string.replace((QChar)'\\', (QString)"\\\\", Qt::CaseInsensitive);
escape_string.replace((QChar)0x04, (QString)"\\E", Qt::CaseInsensitive); /* End of Transmission */
escape_string.replace((QChar)'\a', (QString)"\\a", Qt::CaseInsensitive); /* Bell */
escape_string.replace((QChar)'\b', (QString)"\\b", Qt::CaseInsensitive); /* Backspace */
escape_string.replace((QChar)'\t', (QString)"\\t", Qt::CaseInsensitive); /* Horizontal tab */
escape_string.replace((QChar)'\v', (QString)"\\v", Qt::CaseInsensitive); /* Vertical tab */
escape_string.replace((QChar)'\f', (QString)"\\f", Qt::CaseInsensitive); /* Form feed */
escape_string.replace((QChar)'\r', (QString)"\\r", Qt::CaseInsensitive); /* Carriage return */
escape_string.replace((QChar)0x1b, (QString)"\\e", Qt::CaseInsensitive); /* Escape */
escape_string.replace((QChar)0x1d, (QString)"\\G", Qt::CaseInsensitive); /* Group Separator */
escape_string.replace((QChar)0x1e, (QString)"\\R", Qt::CaseInsensitive); /* Record Separator */
txtDataInput->setPlainText(QString(escape_string));
file.close();
settings.setValue("studio/default_dir", filename.mid(0, filename.lastIndexOf(QDir::separator())));