diff options
Diffstat (limited to 'src/ExternalLexer.cxx')
-rw-r--r-- | src/ExternalLexer.cxx | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/ExternalLexer.cxx b/src/ExternalLexer.cxx index 0326f19de..308846628 100644 --- a/src/ExternalLexer.cxx +++ b/src/ExternalLexer.cxx @@ -27,6 +27,66 @@ using namespace Scintilla; +#if PLAT_WIN +#define EXT_LEXER_DECL __stdcall +#else +#define EXT_LEXER_DECL +#endif + +namespace { + +typedef int (EXT_LEXER_DECL *GetLexerCountFn)(); +typedef void (EXT_LEXER_DECL *GetLexerNameFn)(unsigned int Index, char *name, int buflength); +typedef LexerFactoryFunction(EXT_LEXER_DECL *GetLexerFactoryFunction)(unsigned int Index); + +/// Sub-class of LexerModule to use an external lexer. +class ExternalLexerModule : public LexerModule { +protected: + GetLexerFactoryFunction fneFactory; + std::string name; +public: + ExternalLexerModule(int language_, LexerFunction fnLexer_, + const char *languageName_=nullptr, LexerFunction fnFolder_=nullptr) : + LexerModule(language_, fnLexer_, nullptr, fnFolder_), + fneFactory(nullptr), name(languageName_){ + languageName = name.c_str(); + } + virtual void SetExternal(GetLexerFactoryFunction fFactory, int index); +}; + +/// LexerLibrary exists for every External Lexer DLL, contains ExternalLexerModules. +class LexerLibrary { + std::unique_ptr<DynamicLibrary> lib; + std::vector<std::unique_ptr<ExternalLexerModule>> modules; +public: + explicit LexerLibrary(const char *moduleName_); + ~LexerLibrary(); + + std::string moduleName; +}; + +/// LexerManager manages external lexers, contains LexerLibrarys. +class LexerManager { +public: + ~LexerManager(); + + static LexerManager *GetInstance(); + static void DeleteInstance(); + + void Load(const char *path); + void Clear(); + +private: + LexerManager(); + static std::unique_ptr<LexerManager> theInstance; + std::vector<std::unique_ptr<LexerLibrary>> libraries; +}; + +class LMMinder { +public: + ~LMMinder(); +}; + std::unique_ptr<LexerManager> LexerManager::theInstance; //------------------------------------------ @@ -133,3 +193,13 @@ LMMinder::~LMMinder() { } LMMinder minder; + +} + +namespace Scintilla { + +void ExternalLexerLoad(const char *path) { + LexerManager::GetInstance()->Load(path); +} + +} |