1 files changed, 161 insertions, 0 deletions
diff --git a/src/libs/3rdparty/syntax-highlighting/src/lib/htmlhighlighter.cpp b/src/libs/3rdparty/syntax-highlighting/src/lib/htmlhighlighter.cpp
new file mode 100644
index 0000000000..4ebd465b77
--- /dev/null
+++ b/src/libs/3rdparty/syntax-highlighting/src/lib/htmlhighlighter.cpp
@@ -0,0 +1,161 @@
+/*
+    Copyright (C) 2016 Volker Krause <vkrause@kde.org>
+    Copyright (C) 2018 Christoph Cullmann <cullmann@kde.org>
+
+    Permission is hereby granted, free of charge, to any person obtaining
+    a copy of this software and associated documentation files (the
+    "Software"), to deal in the Software without restriction, including
+    without limitation the rights to use, copy, modify, merge, publish,
+    distribute, sublicense, and/or sell copies of the Software, and to
+    permit persons to whom the Software is furnished to do so, subject to
+    the following conditions:
+
+    The above copyright notice and this permission notice shall be included
+    in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+    IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+    CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+    TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+    SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "htmlhighlighter.h"
+#include "definition.h"
+#include "format.h"
+#include "state.h"
+#include "theme.h"
+#include "ksyntaxhighlighting_logging.h"
+
+#include <QDebug>
+#include <QFile>
+#include <QFileInfo>
+#include <QTextStream>
+#include <QVarLengthArray>
+
+using namespace KSyntaxHighlighting;
+
+class KSyntaxHighlighting::HtmlHighlighterPrivate
+{
+public:
+    std::unique_ptr<QTextStream> out;
+    std::unique_ptr<QFile> file;
+    QString currentLine;
+};
+
+HtmlHighlighter::HtmlHighlighter()
+    : d(new HtmlHighlighterPrivate())
+{
+}
+
+HtmlHighlighter::~HtmlHighlighter()
+{
+}
+
+void HtmlHighlighter::setOutputFile(const QString& fileName)
+{
+    d->file.reset(new QFile(fileName));
+    if (!d->file->open(QFile::WriteOnly | QFile::Truncate)) {
+        qCWarning(Log) << "Failed to open output file" << fileName << ":" << d->file->errorString();
+        return;
+    }
+    d->out.reset(new QTextStream(d->file.get()));
+    d->out->setCodec("UTF-8");
+}
+
+void HtmlHighlighter::setOutputFile(FILE *fileHandle)
+{
+    d->out.reset(new QTextStream(fileHandle, QIODevice::WriteOnly));
+    d->out->setCodec("UTF-8");
+}
+
+void HtmlHighlighter::highlightFile(const QString& fileName, const QString& title)
+{
+    QFileInfo fi(fileName);
+    QFile f(fileName);
+    if (!f.open(QFile::ReadOnly)) {
+        qCWarning(Log) << "Failed to open input file" << fileName << ":" << f.errorString();
+        return;
+    }
+
+    if (title.isEmpty())
+        highlightData(&f, fi.fileName());
+    else
+        highlightData(&f, title);
+}
+
+void HtmlHighlighter::highlightData(QIODevice *dev, const QString& title)
+{
+    if (!d->out) {
+        qCWarning(Log) << "No output stream defined!";
+        return;
+    }
+
+    QString htmlTitle;
+    if (title.isEmpty())
+        htmlTitle = QStringLiteral("Kate Syntax Highlighter");
+    else
+        htmlTitle = title.toHtmlEscaped();
+
+    State state;
+    *d->out << "<!DOCTYPE html>\n";
+    *d->out << "<html><head>\n";
+    *d->out << "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\"/>\n";
+    *d->out << "<title>" << htmlTitle << "</title>\n";
+    *d->out << "<meta name=\"generator\" content=\"KF5::SyntaxHighlighting (" << definition().name() << ")\"/>\n";
+    *d->out << "</head><body";
+    if (theme().textColor(Theme::Normal))
+        *d->out << " style=\"color:" << QColor(theme().textColor(Theme::Normal)).name() << "\"";
+    *d->out << "><pre>\n";
+
+    QTextStream in(dev);
+    in.setCodec("UTF-8");
+    while (!in.atEnd()) {
+        d->currentLine = in.readLine();
+        state = highlightLine(d->currentLine, state);
+        *d->out << "\n";
+    }
+
+    *d->out << "</pre></body></html>\n";
+    d->out->flush();
+
+    d->out.reset();
+    d->file.reset();
+}
+
+void HtmlHighlighter::applyFormat(int offset, int length, const Format& format)
+{
+    if (length == 0)
+        return;
+
+    // collect potential output, cheaper than thinking about "is there any?"
+    QVarLengthArray<QString, 16> formatOutput;
+    if (format.hasTextColor(theme()))
+        formatOutput << QStringLiteral("color:") << format.textColor(theme()).name() << QStringLiteral(";");
+    if (format.hasBackgroundColor(theme()))
+        formatOutput << QStringLiteral("background-color:") << format.backgroundColor(theme()).name() << QStringLiteral(";");
+    if (format.isBold(theme()))
+        formatOutput << QStringLiteral("font-weight:bold;");
+    if (format.isItalic(theme()))
+        formatOutput << QStringLiteral("font-style:italic;");
+    if (format.isUnderline(theme()))
+        formatOutput << QStringLiteral("text-decoration:underline;");
+    if (format.isStrikeThrough(theme()))
+        formatOutput << QStringLiteral("text-decoration:line-through;");
+
+    if (!formatOutput.isEmpty()) {
+        *d->out << "<span style=\"";
+        for (const auto &out : qAsConst(formatOutput)) {
+            *d->out << out;
+        }
+        *d->out << "\">";
+    }
+
+    *d->out << d->currentLine.mid(offset, length).toHtmlEscaped();
+
+    if (!formatOutput.isEmpty()) {
+        *d->out << "</span>";
+    }
+}