hyperion.ng/libsrc/commandline/ColorsOption.cpp

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#include <QRegularExpression>
#include "commandline/ColorsOption.h"
#include "commandline/Parser.h"
using namespace commandline;
bool ColorsOption::validate(Parser & parser, QString & value)
{
// Clear any old results
_colors.clear();
// Check if we can create the color by name
QColor color(value);
if (color.isValid())
{
_colors.push_back(color);
return true;
}
// check if we can create the colors by hex RRGGBB getColors
QRegularExpression re("(([A-F0-9]){6})(?=(?:..)*)");
QRegularExpressionMatchIterator i = re.globalMatch(value);
while (i.hasNext()) {
QRegularExpressionMatch match = i.next();
QString captured = match.captured(1);
_colors.push_back(QColor(QString("#%1").arg(captured)));
}
if (!_colors.isEmpty() && (_colors.size() * 6) == value.length())
{
return true;
}
if(!parser.isSet(*this))
{
// Return true if no value is available
return true;
}
_error = QString("Invalid color. A color is specified by a six lettered RRGGBB hex getColors or one of the following names:\n\t- %1").arg(QColor::colorNames().join("\n\t- "));
return false;
}