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/*
SPDX-FileCopyrightText: 2016 Volker Krause <vkrause@kde.org>
SPDX-FileCopyrightText: 2020 Jonathan Poelen <jonathan.poelen@gmail.com>
SPDX-License-Identifier: MIT
*/
#ifndef KSYNTAXHIGHLIGHTING_RULE_P_H
#define KSYNTAXHIGHLIGHTING_RULE_P_H
#include "contextswitch_p.h"
#include "definitionref_p.h"
#include "foldingregion.h"
#include "format.h"
#include "highlightingdata_p.hpp"
#include "keywordlist_p.h"
#include "matchresult_p.h"
#include "worddelimiters_p.h"
#include <QRegularExpression>
#include <QString>
#include <memory>
namespace KSyntaxHighlighting
{
class WordDelimiters;
class DefinitionData;
class IncludeRules;
class DynamicRegexpCache;
class Rule
{
public:
Rule() = default;
virtual ~Rule();
typedef std::shared_ptr<Rule> Ptr;
const Format &attributeFormat() const
{
return m_attributeFormat;
}
const ContextSwitch &context() const
{
return m_context;
}
bool isLookAhead() const
{
return m_lookAhead;
}
bool isDynamic() const
{
return m_dynamic;
}
bool firstNonSpace() const
{
return m_firstNonSpace;
}
int requiredColumn() const
{
return m_column;
}
const FoldingRegion &beginRegion() const
{
return m_beginRegion;
}
const FoldingRegion &endRegion() const
{
return m_endRegion;
}
const IncludeRules *castToIncludeRules() const;
bool isLineContinue() const
{
return m_type == Type::LineContinue;
}
// If true, then the rule uses the skipOffset parameter of MatchResult.
// This is used by AbstractHighlighter::highlightLine() to look for a rule
// in the skipOffsets cache only if it can be found there.
bool hasSkipOffset() const
{
return m_hasSkipOffset;
}
virtual MatchResult doMatch(QStringView text, int offset, const QStringList &captures, DynamicRegexpCache &dynamicRegexpCache) const = 0;
static Rule::Ptr create(DefinitionData &def, const HighlightingContextData::Rule &ruleData, QStringView lookupContextName);
private:
Q_DISABLE_COPY(Rule)
bool resolveCommon(DefinitionData &def, const HighlightingContextData::Rule &ruleData, QStringView lookupContextName);
enum class Type : quint8 {
OtherRule,
LineContinue,
IncludeRules,
};
private:
Format m_attributeFormat;
ContextSwitch m_context;
int m_column = -1;
FoldingRegion m_beginRegion;
FoldingRegion m_endRegion;
Type m_type;
bool m_firstNonSpace = false;
bool m_lookAhead = false;
protected:
bool m_hasSkipOffset = false;
bool m_dynamic = false;
};
class AnyChar final : public Rule
{
public:
AnyChar(const HighlightingContextData::Rule::AnyChar &data);
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
WordDelimiters m_chars;
};
class DetectChar final : public Rule
{
public:
DetectChar(const HighlightingContextData::Rule::DetectChar &data);
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
QChar m_char;
int m_captureIndex = 0;
};
class Detect2Chars final : public Rule
{
public:
Detect2Chars(const HighlightingContextData::Rule::Detect2Chars &data);
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
QChar m_char1;
QChar m_char2;
};
class DetectIdentifier final : public Rule
{
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
};
class DetectSpaces final : public Rule
{
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
};
class Float final : public Rule
{
public:
Float(DefinitionData &def, const HighlightingContextData::Rule::Float &data);
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
WordDelimiters m_wordDelimiters;
};
class IncludeRules final : public Rule
{
public:
IncludeRules(const HighlightingContextData::Rule::IncludeRules &data);
const QString &contextName() const
{
return m_contextName;
}
bool includeAttribute() const
{
return m_includeAttribute;
}
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
QString m_contextName;
bool m_includeAttribute;
};
class Int final : public Rule
{
public:
Int(DefinitionData &def, const HighlightingContextData::Rule::Int &data);
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
WordDelimiters m_wordDelimiters;
};
class HlCChar final : public Rule
{
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
};
class HlCHex final : public Rule
{
public:
HlCHex(DefinitionData &def, const HighlightingContextData::Rule::HlCHex &data);
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
WordDelimiters m_wordDelimiters;
};
class HlCOct final : public Rule
{
public:
HlCOct(DefinitionData &def, const HighlightingContextData::Rule::HlCOct &data);
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
WordDelimiters m_wordDelimiters;
};
class HlCStringChar final : public Rule
{
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
};
class KeywordListRule final : public Rule
{
public:
KeywordListRule(const KeywordList &keywordList, DefinitionData &def, const HighlightingContextData::Rule::Keyword &data);
static Rule::Ptr create(DefinitionData &def, const HighlightingContextData::Rule::Keyword &data, QStringView lookupContextName);
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
WordDelimiters m_wordDelimiters;
const KeywordList &m_keywordList;
Qt::CaseSensitivity m_caseSensitivity;
};
class LineContinue final : public Rule
{
public:
LineContinue(const HighlightingContextData::Rule::LineContinue &data);
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
QChar m_char;
};
class RangeDetect final : public Rule
{
public:
RangeDetect(const HighlightingContextData::Rule::RangeDetect &data);
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
QChar m_begin;
QChar m_end;
};
class RegExpr final : public Rule
{
public:
RegExpr(const HighlightingContextData::Rule::RegExpr &data);
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
void resolve();
QRegularExpression m_regexp;
bool m_isResolved = false;
};
class DynamicRegExpr final : public Rule
{
public:
DynamicRegExpr(const HighlightingContextData::Rule::RegExpr &data);
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
void resolve();
QString m_pattern;
QRegularExpression::PatternOptions m_patternOptions;
bool m_isResolved = false;
};
class StringDetect final : public Rule
{
public:
StringDetect(const HighlightingContextData::Rule::StringDetect &data);
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
QString m_string;
Qt::CaseSensitivity m_caseSensitivity;
};
class DynamicStringDetect final : public Rule
{
public:
DynamicStringDetect(const HighlightingContextData::Rule::StringDetect &data);
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
QString m_string;
Qt::CaseSensitivity m_caseSensitivity;
};
class WordDetect final : public Rule
{
public:
WordDetect(DefinitionData &def, const HighlightingContextData::Rule::WordDetect &data);
protected:
MatchResult doMatch(QStringView text, int offset, const QStringList &, DynamicRegexpCache &) const override;
private:
WordDelimiters m_wordDelimiters;
QString m_word;
Qt::CaseSensitivity m_caseSensitivity;
};
}
#endif // KSYNTAXHIGHLIGHTING_RULE_P_H
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