1 // Scintilla source code edit control 2 /** @file LexerBase.h 3 ** A simple lexer with no state. 4 **/ 5 // Copyright 1998-2010 by Neil Hodgson <neilh@scintilla.org> 6 // The License.txt file describes the conditions under which this software may be distributed. 7 8 #ifndef LEXERBASE_H 9 #define LEXERBASE_H 10 11 namespace Scintilla { 12 13 // A simple lexer with no state 14 class LexerBase : public ILexerWithMetaData { 15 protected: 16 const LexicalClass *lexClasses; 17 size_t nClasses; 18 PropSetSimple props; 19 enum {numWordLists=KEYWORDSET_MAX+1}; 20 WordList *keyWordLists[numWordLists+1]; 21 public: 22 LexerBase(const LexicalClass *lexClasses_=nullptr, size_t nClasses_=0); 23 virtual ~LexerBase(); 24 void SCI_METHOD Release() override; 25 int SCI_METHOD Version() const override; 26 const char * SCI_METHOD PropertyNames() override; 27 int SCI_METHOD PropertyType(const char *name) override; 28 const char * SCI_METHOD DescribeProperty(const char *name) override; 29 Sci_Position SCI_METHOD PropertySet(const char *key, const char *val) override; 30 const char * SCI_METHOD DescribeWordListSets() override; 31 Sci_Position SCI_METHOD WordListSet(int n, const char *wl) override; 32 void SCI_METHOD Lex(Sci_PositionU startPos, Sci_Position lengthDoc, int initStyle, IDocument *pAccess) override = 0; 33 void SCI_METHOD Fold(Sci_PositionU startPos, Sci_Position lengthDoc, int initStyle, IDocument *pAccess) override = 0; 34 void * SCI_METHOD PrivateCall(int operation, void *pointer) override; 35 int SCI_METHOD LineEndTypesSupported() override; 36 int SCI_METHOD AllocateSubStyles(int styleBase, int numberStyles) override; 37 int SCI_METHOD SubStylesStart(int styleBase) override; 38 int SCI_METHOD SubStylesLength(int styleBase) override; 39 int SCI_METHOD StyleFromSubStyle(int subStyle) override; 40 int SCI_METHOD PrimaryStyleFromStyle(int style) override; 41 void SCI_METHOD FreeSubStyles() override; 42 void SCI_METHOD SetIdentifiers(int style, const char *identifiers) override; 43 int SCI_METHOD DistanceToSecondaryStyles() override; 44 const char * SCI_METHOD GetSubStyleBases() override; 45 int SCI_METHOD NamedStyles() override; 46 const char * SCI_METHOD NameOfStyle(int style) override; 47 const char * SCI_METHOD TagsOfStyle(int style) override; 48 const char * SCI_METHOD DescriptionOfStyle(int style) override; 49 }; 50 51 } 52 53 #endif 54