lyx_mirror/src/trans_mgr.h

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// -*- C++ -*-
#ifndef _Trans_Manager_h_
#define _Trans_Manager_h_
#ifdef __GNUG__
#pragma interface
#endif
#include "tex-accent.h"
#include "trans_decl.h"
class LyXText;
class LString;
class CharacterSet;
class Trans;
/// Translation State
class TransState {
public:
///
virtual ~TransState();
///
virtual string normalkey(char,char*)=0;
///
virtual bool backspace()=0;
///
virtual string deadkey(char,KmodInfo)=0;
///
static const char TOKEN_SEP;
};
/// Translation FSM
class TransFSMData {
protected:
///
virtual ~TransFSMData()
{}
///
char deadkey_;
///
KmodInfo deadkey_info_;
///
char deadkey2_;
///
KmodInfo deadkey2_info_;
///
KmodException comb_info_;
///
TransState* init_state_;
///
TransState* deadkey_state_;
///
TransState* combined_state_;
///
public:
///
TransFSMData();
///
TransState* currentState;
};
/// Init State
class TransInitState:
virtual public TransFSMData,
public TransState {
public:
///
TransInitState();
///
virtual string normalkey(char,char*);
///
virtual bool backspace() { return true; }
///
virtual string deadkey(char,KmodInfo);
};
/// Deadkey State
class TransDeadkeyState:
virtual public TransFSMData,
public TransState {
public:
///
TransDeadkeyState();
///
virtual string normalkey(char,char*);
///
virtual bool backspace()
{
currentState=init_state_;
return false;
}
///
virtual string deadkey(char,KmodInfo);
};
/// Combined State
class TransCombinedState:
virtual public TransFSMData,
public TransState {
public:
///
TransCombinedState();
///
virtual string normalkey(char,char*);
///
virtual bool backspace()
{
// cancel the second deadkey
deadkey2_=0;
deadkey2_info_.accent=TEX_NOACCENT;
currentState=deadkey_state_;
return false;
}
///
virtual string deadkey(char,KmodInfo);
};
///
class TransFSM:
virtual public TransFSMData,
public TransInitState,
public TransDeadkeyState,
public TransCombinedState
{
public:
///
TransFSM();
};
///
class TransManager
{
private:
///
TransFSM trans_fsm_;
///
Trans* active_;
///
Trans* t1_;
///
Trans* t2_;
///
static Trans* default_;
///
CharacterSet* chset_;
///
void insert(string,LyXText*);
///
void insertVerbatim(const string&,LyXText*);
public:
///
TransManager();
///
virtual ~TransManager();
///
int SetPrimary(string const &);
///
int SetSecondary(string const &);
///
void EnablePrimary();
///
void EnableSecondary();
///
void DisableKeymap();
///
bool setCharset(const char*);
///
bool backspace()
{
return trans_fsm_.currentState->backspace();
}
///
void TranslateAndInsert(char,LyXText*);
///
inline string deadkey(char,KmodInfo);
///
inline string normalkey(char,char*);
///
void deadkey(char,tex_accent,LyXText*);
};
string TransManager::normalkey(char c,char *t)
{
return trans_fsm_.currentState->normalkey(c,t);
}
string TransManager::deadkey(char c,KmodInfo t)
{
return trans_fsm_.currentState->deadkey(c,t);
}
#endif