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c8d9745253
peg-markdown-highlight can't hanlde code blocks with "#" correctly. Use regular expression to fix it to avoid mis-interpret the "#" line as a heading. Signed-off-by: Le Tan <tamlokveer@gmail.com>
83 lines
1.8 KiB
C++
83 lines
1.8 KiB
C++
/* PEG Markdown Highlight
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* Copyright 2011-2016 Ali Rantakari -- http://hasseg.org
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* Licensed under the GPL2+ and MIT licenses (see LICENSE for more info).
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*
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* highlighter.h
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*
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* Qt 4.7 example for highlighting a rich text widget.
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*/
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#ifndef HGMARKDOWNHIGHLIGHTER_H
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#define HGMARKDOWNHIGHLIGHTER_H
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#include <QTextCharFormat>
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#include <QThread>
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extern "C" {
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#include "utils/peg-highlight/pmh_parser.h"
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}
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QT_BEGIN_NAMESPACE
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class QTextDocument;
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QT_END_NAMESPACE
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class WorkerThread : public QThread
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{
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public:
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WorkerThread();
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~WorkerThread();
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void prepareAndStart(const char *data);
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pmh_element** retriveResult();
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protected:
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void run();
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private:
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void resizeBuffer(unsigned int newCap);
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char *content;
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unsigned int capacity;
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pmh_element **result;
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static const unsigned int initCapacity;
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};
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struct HighlightingStyle
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{
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pmh_element_type type;
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QTextCharFormat format;
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};
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class HGMarkdownHighlighter : public QObject
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{
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Q_OBJECT
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public:
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HGMarkdownHighlighter(const QVector<HighlightingStyle> &styles,
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QTextDocument *parent = 0, int aWaitInterval = 2000);
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~HGMarkdownHighlighter();
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void setStyles(const QVector<HighlightingStyle> &styles);
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int waitInterval;
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private slots:
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void handleContentsChange(int position, int charsRemoved, int charsAdded);
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void threadFinished();
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void timerTimeout();
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private:
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QTimer *timer;
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QTextDocument *document;
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WorkerThread *workerThread;
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bool parsePending;
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pmh_element **cached_elements;
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QVector<HighlightingStyle> highlightingStyles;
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void clearFormatting();
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void highlight();
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void highlightOneRegion(const HighlightingStyle &style, unsigned long pos,
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unsigned long end, bool clearBeforeHighlight = false);
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void highlightCodeBlock();
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void parse();
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};
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#endif
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