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// Scintilla source code edit control
/** @file ExternalLexer.h
** Support external lexers in DLLs or shared libraries.
**/
// Copyright 2001 Simon Steele <ss@pnotepad.org>, portions copyright Neil Hodgson.
// The License.txt file describes the conditions under which this software may be distributed.
#ifndef EXTERNALLEXER_H
#define EXTERNALLEXER_H
#if PLAT_WIN
#define EXT_LEXER_DECL __stdcall
#else
#define EXT_LEXER_DECL
#endif
namespace Scintilla {
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();
};
}
#endif
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