File indexing completed on 2024-11-03 04:35:41
0001 /* 0002 SPDX-FileCopyrightText: 2018-2024 Laurent Montel <montel@kde.org> 0003 0004 SPDX-License-Identifier: LGPL-2.0-or-later 0005 */ 0006 0007 #include "texthighlighter.h" 0008 0009 #include <KSyntaxHighlighting/Format> 0010 #include <KSyntaxHighlighting/State> 0011 #include <KSyntaxHighlighting/Theme> 0012 0013 #include <QTextStream> 0014 0015 TextHighlighter::TextHighlighter(QTextStream *stream) 0016 : mStream(stream) 0017 { 0018 } 0019 0020 void TextHighlighter::highlight(const QString &str) 0021 { 0022 *mStream << QStringLiteral("<code>"); 0023 0024 KSyntaxHighlighting::State state; 0025 0026 int lineStart = 0; 0027 int lineEnd = str.indexOf(QLatin1Char('\n')); 0028 0029 for (; lineEnd != -1; lineStart = lineEnd + 1, lineEnd = str.indexOf(QLatin1Char('\n'), lineStart)) { 0030 mCurrentLine = str.mid(lineStart, lineEnd - lineStart); 0031 state = highlightLine(mCurrentLine, state); 0032 *mStream << QStringLiteral("<br>"); 0033 } 0034 if (lineStart < str.size()) { // remaining content if str isn't ending with a newline 0035 mCurrentLine = str.mid(lineStart); 0036 state = highlightLine(mCurrentLine, state); 0037 } 0038 *mStream << QLatin1String("</code>"); 0039 } 0040 0041 void TextHighlighter::applyFormat(int offset, int length, const KSyntaxHighlighting::Format &format) 0042 { 0043 if (!format.isDefaultTextStyle(theme())) { 0044 *mStream << QStringLiteral("<span style=\""); 0045 if (format.hasTextColor(theme())) { 0046 *mStream << QStringLiteral("color:") << format.textColor(theme()).name() << QStringLiteral(";"); 0047 } 0048 if (format.hasBackgroundColor(theme())) { 0049 *mStream << QStringLiteral("background-color:") << format.backgroundColor(theme()).name() << QStringLiteral(";"); 0050 } 0051 if (format.isBold(theme())) { 0052 *mStream << QStringLiteral("font-weight:bold;"); 0053 } 0054 if (format.isItalic(theme())) { 0055 *mStream << QStringLiteral("font-style:italic;"); 0056 } 0057 if (format.isUnderline(theme())) { 0058 *mStream << QStringLiteral("text-decoration:underline;"); 0059 } 0060 if (format.isStrikeThrough(theme())) { 0061 *mStream << QStringLiteral("text-decoration:line-through;"); 0062 } 0063 *mStream << QStringLiteral("\">"); 0064 } 0065 0066 *mStream << mCurrentLine.mid(offset, length).toHtmlEscaped().replace(QLatin1Char(' '), QLatin1String(" ")); 0067 0068 if (!format.isDefaultTextStyle(theme())) { 0069 *mStream << QStringLiteral("</span>"); 0070 } 0071 }