qtdeclarative/examples/quick/quickwidgets/qmlpreviewer/utility/syntaxhighlighter.cpp

57 lines
1.8 KiB
C++

// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "syntaxhighlighter.h"
#include <QRegularExpression>
SyntaxHighlighter::SyntaxHighlighter(QObject *parent)
: QSyntaxHighlighter{parent}
{}
void SyntaxHighlighter::highlightBlock(const QString &text)
{
// Default
setFormat(0, text.length(), QColor{214, 207 , 154});
// import keyword
QRegularExpression regex{"^\\bimport\\b||^\\s*property\\b"};
QRegularExpressionMatchIterator it = regex.globalMatchView(text);
while (it.hasNext()) {
QRegularExpressionMatch match = it.next();
setFormat(match.capturedStart(), match.capturedLength(), QColor{69, 198, 214});
}
// Type name
regex.setPattern("\\b[A-Z][a-zA-Z0-9_]*\\b");
it = regex.globalMatchView(text);
while (it.hasNext()) {
QRegularExpressionMatch match = it.next();
setFormat(match.capturedStart(), match.capturedLength(), QColor{102, 163, 52});
}
// Property in binding
regex.setPattern("\\b([a-zA-Z_]*.?[a-z_][a-zA-Z0-9_]*)\\s*:");
it = regex.globalMatchView(text);
while (it.hasNext()) {
QRegularExpressionMatch match = it.next();
setFormat(match.capturedStart(), match.capturedLength(), QColor{255, 106, 173});
}
// Text
regex.setPattern("\"([^\"]*)\"");
it = regex.globalMatchView(text);
while (it.hasNext()) {
QRegularExpressionMatch match = it.next();
setFormat(match.capturedStart(), match.capturedLength(), QColor{214, 149, 69});
}
// Comment
regex.setPattern("//*([^/]*)");
it = regex.globalMatchView(text);
while (it.hasNext()) {
QRegularExpressionMatch match = it.next();
setFormat(match.capturedStart(), match.capturedLength(), QColor{168, 171, 176});
}
}