/* ----------------------------------------------------------------------
   LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
   https://www.lammps.org/, Sandia National Laboratories
   LAMMPS development team: developers@lammps.org

   Copyright (2003) Sandia Corporation.  Under the terms of Contract
   DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
   certain rights in this software.  This software is distributed under
   the GNU General Public License.

   See the README file in the top-level LAMMPS directory.
------------------------------------------------------------------------- */

#include "flagwarnings.h"

#include "helpers.h"

#include <QColor>
#include <QFont>

// workaround for Qt-5.12
#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
namespace QColorConstants {
const QColor Red     = QColor::fromRgb(0xff, 0x00, 0x00);
} // namespace QColorConstants
#endif

FlagWarnings::FlagWarnings(QTextDocument *parent) :
    QSyntaxHighlighter(parent), isWarning(QStringLiteral("^(ERROR|WARNING).*$"))
{
    formatWarning.setForeground(QColorConstants::Red);
    formatWarning.setFontWeight(QFont::Bold);
}

void FlagWarnings::highlightBlock(const QString &text)
{
    // nothing to do for empty lines
    if (text.isEmpty()) return;

    auto match = isWarning.match(text);
    if (match.hasMatch()) {
        setFormat(match.capturedStart(0), match.capturedLength(0), formatWarning);
    }
}