1 // Scintilla source code edit control 2 /** @file DefaultLexer.h 3 ** A lexer base class with default empty implementations of methods. 4 ** For lexers that do not support all features so do not need real implementations. 5 ** Does have real implementation for style metadata. 6 **/ 7 // Copyright 2017 by Neil Hodgson <[email protected]> 8 // The License.txt file describes the conditions under which this software may be distributed. 9 10 #ifndef DEFAULTLEXER_H 11 #define DEFAULTLEXER_H 12 13 namespace Scintilla { 14 15 // A simple lexer with no state 16 class DefaultLexer : public ILexer5 { 17 const char *languageName; 18 int language; 19 const LexicalClass *lexClasses; 20 size_t nClasses; 21 public: 22 DefaultLexer(const char *languageName_, int language_, 23 const LexicalClass *lexClasses_ = nullptr, size_t nClasses_ = 0); 24 virtual ~DefaultLexer(); 25 void SCI_METHOD Release() override; 26 int SCI_METHOD Version() const override; 27 const char * SCI_METHOD PropertyNames() override; 28 int SCI_METHOD PropertyType(const char *name) override; 29 const char * SCI_METHOD DescribeProperty(const char *name) override; 30 Sci_Position SCI_METHOD PropertySet(const char *key, const char *val) override; 31 const char * SCI_METHOD DescribeWordListSets() override; 32 Sci_Position SCI_METHOD WordListSet(int n, const char *wl) override; 33 void SCI_METHOD Lex(Sci_PositionU startPos, Sci_Position lengthDoc, int initStyle, IDocument *pAccess) override = 0; 34 void SCI_METHOD Fold(Sci_PositionU startPos, Sci_Position lengthDoc, int initStyle, IDocument *pAccess) override; 35 void * SCI_METHOD PrivateCall(int operation, void *pointer) override; 36 int SCI_METHOD LineEndTypesSupported() override; 37 int SCI_METHOD AllocateSubStyles(int styleBase, int numberStyles) override; 38 int SCI_METHOD SubStylesStart(int styleBase) override; 39 int SCI_METHOD SubStylesLength(int styleBase) override; 40 int SCI_METHOD StyleFromSubStyle(int subStyle) override; 41 int SCI_METHOD PrimaryStyleFromStyle(int style) override; 42 void SCI_METHOD FreeSubStyles() override; 43 void SCI_METHOD SetIdentifiers(int style, const char *identifiers) override; 44 int SCI_METHOD DistanceToSecondaryStyles() override; 45 const char * SCI_METHOD GetSubStyleBases() override; 46 int SCI_METHOD NamedStyles() override; 47 const char * SCI_METHOD NameOfStyle(int style) override; 48 const char * SCI_METHOD TagsOfStyle(int style) override; 49 const char * SCI_METHOD DescriptionOfStyle(int style) override; 50 // ILexer5 methods 51 const char * SCI_METHOD GetName() override; 52 int SCI_METHOD GetIdentifier() override; 53 }; 54 55 } 56 57 #endif 58