RedPanda-CPP/RedPandaIDE/qsynedit/highlighter/base.h

156 lines
4.9 KiB
C++

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