156 lines
4.9 KiB
C++
156 lines
4.9 KiB
C++
#ifndef SYNHIGHLIGTERBASE_H
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#define SYNHIGHLIGTERBASE_H
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#include <QColor>
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#include <QObject>
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#include <memory>
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#include <QMap>
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#include <QSet>
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#include <QVector>
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#include <QVector>
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#include "../Types.h"
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constexpr QChar BraceIndentType('{');
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constexpr QChar ParenthesisIndentType('(');
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constexpr QChar BracketIndentType('[');
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constexpr QChar StatementIndentType('S');
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struct SynRangeState {
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int state; // current syntax parsing state
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int spaceState; // the last syntax parsing state before meeting space
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int braceLevel; // current braces embedding level (needed by rainbow color)
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int bracketLevel; // current brackets embedding level (needed by rainbow color)
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int parenthesisLevel; // current parenthesis embedding level (needed by rainbow color)
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int leftBraces; // unpairing left braces in the current line ( needed by block folding)
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int rightBraces; // unparing right braces in the current line (needed by block folding)
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QString indents; // indents stack (each char represents an indent) (needed by auto indent)
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int firstIndentThisLine; /* index of first indent that appended to the indents
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* stack at this line ( need by auto indent) */
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QString matchingIndents; /* the indent matched ( and removed )
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but not started at this line
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(need by auto indent) */
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bool operator==(const SynRangeState& s2);
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QChar getLastIndent();
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};
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typedef int SynTokenKind;
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enum class SynHighlighterTokenType {
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Default, Space, Comment,
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PreprocessDirective, String, StringEscapeSequence,
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Identifier, Symbol,
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Character, Keyword, Number};
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enum class SynHighlighterClass {
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Composition,
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CppHighlighter,
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AsmHighlighter
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};
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enum class SynHighlighterLanguage {
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Asssembly,
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Cpp,
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};
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class SynHighlighterAttribute {
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public:
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explicit SynHighlighterAttribute(const QString& name);
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QString name() const;
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void setName(const QString &name);
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SynFontStyles styles() const;
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void setStyles(const SynFontStyles &styles);
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QColor foreground() const;
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void setForeground(const QColor &color);
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QColor background() const;
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void setBackground(const QColor &background);
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private:
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QColor mForeground;
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QColor mBackground;
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QString mName;
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SynFontStyles mStyles;
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};
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typedef std::shared_ptr<SynHighlighterAttribute> PSynHighlighterAttribute;
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using SynHighlighterAttributeList = QVector<PSynHighlighterAttribute>;
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class SynHighlighter {
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public:
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explicit SynHighlighter();
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const QMap<QString, PSynHighlighterAttribute>& attributes() const;
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const QSet<QChar>& wordBreakChars() const;
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PSynHighlighterAttribute commentAttribute() const;
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PSynHighlighterAttribute identifierAttribute() const;
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PSynHighlighterAttribute keywordAttribute() const;
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PSynHighlighterAttribute stringAttribute() const;
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PSynHighlighterAttribute whitespaceAttribute() const;
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PSynHighlighterAttribute symbolAttribute() const;
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virtual bool isIdentChar(const QChar& ch) const;
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virtual SynHighlighterClass getClass() const = 0;
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virtual QString getName() const = 0;
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virtual bool getTokenFinished() const = 0;
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virtual bool isLastLineCommentNotFinished(int state) const = 0;
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virtual bool isLastLineStringNotFinished(int state) const = 0;
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virtual bool eol() const = 0;
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virtual SynRangeState getRangeState() const = 0;
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virtual QString getToken() const=0;
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virtual PSynHighlighterAttribute getTokenAttribute() const=0;
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virtual SynHighlighterTokenType getTokenType();
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virtual SynTokenKind getTokenKind() = 0;
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virtual int getTokenPos() = 0;
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virtual bool isKeyword(const QString& word);
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virtual void next() = 0;
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virtual void nextToEol();
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virtual void setState(const SynRangeState& rangeState) = 0;
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virtual void setLine(const QString& newLine, int lineNumber) = 0;
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virtual void resetState() = 0;
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virtual QString languageName() = 0;
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virtual SynHighlighterLanguage language() = 0;
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virtual bool isSpaceChar(const QChar& ch);
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virtual bool isWordBreakChar(const QChar& ch);
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bool enabled() const;
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void setEnabled(bool value);
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virtual PSynHighlighterAttribute getAttribute(const QString& name) const;
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protected:
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PSynHighlighterAttribute mCommentAttribute;
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PSynHighlighterAttribute mIdentifierAttribute;
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PSynHighlighterAttribute mKeywordAttribute;
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PSynHighlighterAttribute mStringAttribute;
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PSynHighlighterAttribute mWhitespaceAttribute;
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PSynHighlighterAttribute mSymbolAttribute;
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void addAttribute(PSynHighlighterAttribute attribute);
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void clearAttributes();
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virtual int attributesCount() const;
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private:
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QMap<QString,PSynHighlighterAttribute> mAttributes;
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bool mEnabled;
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QSet<QChar> mWordBreakChars;
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};
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using PSynHighlighter = std::shared_ptr<SynHighlighter>;
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using SynHighlighterList = QVector<PSynHighlighter>;
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#endif // SYNHIGHLIGTERBASE_H
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