--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/designer/src/lib/shared/htmlhighlighter.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,198 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/QTextStream>
+
+#include "htmlhighlighter_p.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace qdesigner_internal {
+
+HtmlHighlighter::HtmlHighlighter(QTextEdit *textEdit)
+ : QSyntaxHighlighter(textEdit)
+{
+ QTextCharFormat entityFormat;
+ entityFormat.setForeground(Qt::red);
+ setFormatFor(Entity, entityFormat);
+
+ QTextCharFormat tagFormat;
+ tagFormat.setForeground(Qt::darkMagenta);
+ tagFormat.setFontWeight(QFont::Bold);
+ setFormatFor(Tag, tagFormat);
+
+ QTextCharFormat commentFormat;
+ commentFormat.setForeground(Qt::gray);
+ commentFormat.setFontItalic(true);
+ setFormatFor(Comment, commentFormat);
+
+ QTextCharFormat attributeFormat;
+ attributeFormat.setForeground(Qt::black);
+ attributeFormat.setFontWeight(QFont::Bold);
+ setFormatFor(Attribute, attributeFormat);
+
+ QTextCharFormat valueFormat;
+ valueFormat.setForeground(Qt::blue);
+ setFormatFor(Value, valueFormat);
+}
+
+void HtmlHighlighter::setFormatFor(Construct construct,
+ const QTextCharFormat &format)
+{
+ m_formats[construct] = format;
+ rehighlight();
+}
+
+void HtmlHighlighter::highlightBlock(const QString &text)
+{
+ static const QLatin1Char tab = QLatin1Char('\t');
+ static const QLatin1Char space = QLatin1Char(' ');
+ static const QLatin1Char amp = QLatin1Char('&');
+ static const QLatin1Char startTag = QLatin1Char('<');
+ static const QLatin1Char endTag = QLatin1Char('>');
+ static const QLatin1Char quot = QLatin1Char('"');
+ static const QLatin1Char apos = QLatin1Char('\'');
+ static const QLatin1Char semicolon = QLatin1Char(';');
+ static const QLatin1Char equals = QLatin1Char('=');
+ static const QLatin1String startComment = QLatin1String("<!--");
+ static const QLatin1String endComment = QLatin1String("-->");
+ static const QLatin1String endElement = QLatin1String("/>");
+
+ int state = previousBlockState();
+ int len = text.length();
+ int start = 0;
+ int pos = 0;
+
+ while (pos < len) {
+ switch (state) {
+ case NormalState:
+ default:
+ while (pos < len) {
+ QChar ch = text.at(pos);
+ if (ch == startTag) {
+ if (text.mid(pos, 4) == startComment) {
+ state = InComment;
+ } else {
+ state = InTag;
+ start = pos;
+ while (pos < len && text.at(pos) != space
+ && text.at(pos) != endTag
+ && text.at(pos) != tab
+ && text.mid(pos, 2) != endElement)
+ ++pos;
+ if (text.mid(pos, 2) == endElement)
+ ++pos;
+ setFormat(start, pos - start,
+ m_formats[Tag]);
+ break;
+ }
+ break;
+ } else if (ch == amp) {
+ start = pos;
+ while (pos < len && text.at(pos++) != semicolon)
+ ;
+ setFormat(start, pos - start,
+ m_formats[Entity]);
+ } else {
+ // No tag, comment or entity started, continue...
+ ++pos;
+ }
+ }
+ break;
+ case InComment:
+ start = pos;
+ while (pos < len) {
+ if (text.mid(pos, 3) == endComment) {
+ pos += 3;
+ state = NormalState;
+ break;
+ } else {
+ ++pos;
+ }
+ }
+ setFormat(start, pos - start, m_formats[Comment]);
+ break;
+ case InTag:
+ QChar quote = QChar::Null;
+ while (pos < len) {
+ QChar ch = text.at(pos);
+ if (quote.isNull()) {
+ start = pos;
+ if (ch == apos || ch == quot) {
+ quote = ch;
+ } else if (ch == endTag) {
+ ++pos;
+ setFormat(start, pos - start, m_formats[Tag]);
+ state = NormalState;
+ break;
+ } else if (text.mid(pos, 2) == endElement) {
+ pos += 2;
+ setFormat(start, pos - start, m_formats[Tag]);
+ state = NormalState;
+ break;
+ } else if (ch != space && text.at(pos) != tab) {
+ // Tag not ending, not a quote and no whitespace, so
+ // we must be dealing with an attribute.
+ ++pos;
+ while (pos < len && text.at(pos) != space
+ && text.at(pos) != tab
+ && text.at(pos) != equals)
+ ++pos;
+ setFormat(start, pos - start, m_formats[Attribute]);
+ start = pos;
+ }
+ } else if (ch == quote) {
+ quote = QChar::Null;
+
+ // Anything quoted is a value
+ setFormat(start, pos - start, m_formats[Value]);
+ }
+ ++pos;
+ }
+ break;
+ }
+ }
+ setCurrentBlockState(state);
+}
+
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE