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44257913f7
In edit mode, highlight code blocks via parsing the result of HighlightJS. We only highlight fenced code blocks by token-matching. Support custom style in MDHL file.
50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
#ifndef VCODEBLOCKHIGHLIGHTHELPER_H
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#define VCODEBLOCKHIGHLIGHTHELPER_H
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#include <QObject>
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#include <QList>
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#include <QAtomicInteger>
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#include <QXmlStreamReader>
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#include "vconfigmanager.h"
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class VDocument;
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class VCodeBlockHighlightHelper : public QObject
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{
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Q_OBJECT
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public:
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VCodeBlockHighlightHelper(HGMarkdownHighlighter *p_highlighter,
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VDocument *p_vdoc, MarkdownConverterType p_type);
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signals:
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private slots:
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void handleCodeBlocksUpdated(const QList<VCodeBlock> &p_codeBlocks);
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void handleTextHighlightResult(const QString &p_html, int p_id, int p_timeStamp);
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private:
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void parseHighlightResult(int p_timeStamp, int p_idx, const QString &p_html);
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// @p_startPos: the global position of the start of the code block;
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// @p_text: the raw text of the code block;
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// @p_index: the start index of the span element within @p_text;
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// @p_units: all the highlight units of this code block;
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bool parseSpanElement(QXmlStreamReader &p_xml, int p_startPos,
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const QString &p_text, int &p_index,
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QList<HLUnitPos> &p_units);
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// @p_text: text of fenced code block.
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// Get the indent level of the first line (fence) and unindent the whole block
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// to make the fence at the highest indent level.
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// This operation is to make sure JS could handle the code block correctly
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// without any context.
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QString unindentCodeBlock(const QString &p_text);
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HGMarkdownHighlighter *m_highlighter;
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VDocument *m_vdocument;
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MarkdownConverterType m_type;
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QAtomicInteger<int> m_timeStamp;
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QList<VCodeBlock> m_codeBlocks;
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};
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#endif // VCODEBLOCKHIGHLIGHTHELPER_H
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