projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 1dcf666d RD |
1 | // Scintilla source code edit control |
| 2 | /** @file LexerModule.h | |
| 3 | ** Colourise for particular languages. | |
| 4 | **/ | |
| 5 | // Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org> | |
| 6 | // The License.txt file describes the conditions under which this software may be distributed. | |
| 7 | ||
| 8 | #ifndef LEXERMODULE_H | |
| 9 | #define LEXERMODULE_H | |
| 10 | ||
| 11 | #ifdef SCI_NAMESPACE | |
| 12 | namespace Scintilla { | |
| 13 | #endif | |
| 14 | ||
| 15 | class Accessor; | |
| 16 | class WordList; | |
| 17 | ||
| 18 | typedef void (*LexerFunction)(unsigned int startPos, int lengthDoc, int initStyle, | |
| 19 | WordList *keywordlists[], Accessor &styler); | |
| 20 | typedef ILexer *(*LexerFactoryFunction)(); | |
| 21 | ||
| 22 | /** | |
| 23 | * A LexerModule is responsible for lexing and folding a particular language. | |
| 24 | * The class maintains a list of LexerModules which can be searched to find a | |
| 25 | * module appropriate to a particular language. | |
| 26 | */ | |
| 27 | class LexerModule { | |
| 28 | protected: | |
| 29 | int language; | |
| 30 | LexerFunction fnLexer; | |
| 31 | LexerFunction fnFolder; | |
| 32 | LexerFactoryFunction fnFactory; | |
| 33 | const char * const * wordListDescriptions; | |
| 34 | int styleBits; | |
| 35 | ||
| 36 | public: | |
| 37 | const char *languageName; | |
| 38 | LexerModule(int language_, | |
| 39 | LexerFunction fnLexer_, | |
| 40 | const char *languageName_=0, | |
| 41 | LexerFunction fnFolder_=0, | |
| 42 | const char * const wordListDescriptions_[] = NULL, | |
| 43 | int styleBits_=5); | |
| 44 | LexerModule(int language_, | |
| 45 | LexerFactoryFunction fnFactory_, | |
| 46 | const char *languageName_, | |
| 47 | const char * const wordListDescriptions_[] = NULL, | |
| 48 | int styleBits_=8); | |
| 49 | virtual ~LexerModule() { | |
| 50 | } | |
| 51 | int GetLanguage() const { return language; } | |
| 52 | ||
| 53 | // -1 is returned if no WordList information is available | |
| 54 | int GetNumWordLists() const; | |
| 55 | const char *GetWordListDescription(int index) const; | |
| 56 | ||
| 57 | int GetStyleBitsNeeded() const; | |
| 58 | ||
| 59 | ILexer *Create() const; | |
| 60 | ||
| 61 | virtual void Lex(unsigned int startPos, int length, int initStyle, | |
| 62 | WordList *keywordlists[], Accessor &styler) const; | |
| 63 | virtual void Fold(unsigned int startPos, int length, int initStyle, | |
| 64 | WordList *keywordlists[], Accessor &styler) const; | |
| 65 | ||
| 66 | friend class Catalogue; | |
| 67 | }; | |
| 68 | ||
| 69 | inline int Maximum(int a, int b) { | |
| 70 | return (a > b) ? a : b; | |
| 71 | } | |
| 72 | ||
| 73 | // Shut up annoying Visual C++ warnings: | |
| 74 | #ifdef _MSC_VER | |
| 75 | #pragma warning(disable: 4244 4309 4514 4710) | |
| 76 | #endif | |
| 77 | ||
| 78 | #ifdef SCI_NAMESPACE | |
| 79 | } | |
| 80 | #endif | |
| 81 | ||
| 82 | #endif |