X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FTrans.h;h=92cad9b0dcde38272effea467e4f1a80f4d4aafd;hb=6a8b25ba5110a1d4e19206f9f42d3b04312e6728;hp=8677df4f0753ec71c0aa7737f885c1234b48c59a;hpb=39e79d8602920eefe36e898c9f415afb979521b2;p=lyx.git

diff --git a/src/Trans.h b/src/Trans.h
index 8677df4f07..92cad9b0dc 100644
--- a/src/Trans.h
+++ b/src/Trans.h
@@ -14,34 +14,125 @@
 #ifndef TRANS_H
 #define TRANS_H
 
-#include "KmodInfo.h"
+#include "lfuns.h"
+#include "support/docstring.h"
 
+#include <boost/scoped_ptr.hpp>
+
+#include <list>
 #include <map>
 
 
 namespace lyx {
 
-
+class Cursor;
+class Text;
 class Lexer;
-
 class TransManager;
 
-/**
-  Trans: holds a .kmap file
-  */
+///
+enum tex_accent {
+	///
+	TEX_NOACCENT = 0,
+	///
+	TEX_ACUTE,
+	///
+	TEX_GRAVE,
+	///
+	TEX_MACRON,
+	///
+	TEX_TILDE,
+	///
+	TEX_UNDERBAR,
+	///
+	TEX_CEDILLA,
+	///
+	TEX_UNDERDOT,
+	///
+	TEX_CIRCUMFLEX,
+	///
+	TEX_CIRCLE,
+	///
+	TEX_TIE,
+	///
+	TEX_BREVE,
+	///
+	TEX_CARON,
+//  TEX_SPECIAL_CARON,
+	///
+	TEX_HUNGUML,
+	///
+	TEX_UMLAUT,
+	///
+	TEX_DOT,
+	///
+	TEX_OGONEK,
+	///
+	TEX_MAX_ACCENT = TEX_OGONEK
+};
+
+
+struct tex_accent_struct {
+	///
+	tex_accent accent;
+	/// UCS4 code point of this accent
+	char_type ucs4;
+	///
+	char const * name;
+	///
+	kb_action action;
+};
+
+///
+extern tex_accent_struct get_accent(kb_action action);
+
+
+///
+struct Keyexc {
+	/// character to make exception
+	char_type c;
+	/// exception data
+	docstring data;
+	/// Combination with another deadkey
+	bool combined;
+	/// The accent comined with
+	tex_accent accent;
+};
+
+///
+typedef std::list<Keyexc> KmodException;
+
+///
+class KmodInfo {
+public:
+	///
+	docstring data;
+	///
+	tex_accent accent;
+	///
+	KmodException exception_list;
+};
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// Trans: holds a .kmap file
+//
+/////////////////////////////////////////////////////////////////////
+
 class Trans {
 public:
 	///
-	Trans();
+	Trans() {}
 	///
-	~Trans();
+	~Trans() { freeKeymap(); }
 
 	///
 	int load(std::string const & language);
 	///
 	bool isDefined() const;
 	///
-	std::string const & getName() const;
+	std::string const & getName() const { return name_; }
 	///
 	docstring const process(char_type, TransManager &);
 	///
@@ -58,7 +149,7 @@ private:
 	docstring const & match(char_type c);
 	///
 	void insertException(KmodException & exclist, char_type c,
-	                     docstring const & data, bool = false,
+			     docstring const & data, bool = false,
 			     tex_accent = TEX_NOACCENT);
 	///
 	void freeException(KmodException & exclist);
@@ -85,6 +176,171 @@ docstring const & Trans::match(char_type c)
 }
 
 
+/////////////////////////////////////////////////////////////////////
+//
+// TransState
+//
+/////////////////////////////////////////////////////////////////////
+
+/// Translation state
+class TransState {
+public:
+	///
+	virtual ~TransState() {}
+	///
+	virtual docstring const normalkey(char_type) = 0;
+	///
+	virtual bool backspace() = 0;
+	///
+	virtual docstring const deadkey(char_type, KmodInfo) = 0;
+	///
+	static char_type const TOKEN_SEP;
+};
+
+
+/// Translation FSM
+class TransFSMData {
+protected:
+	///
+	virtual ~TransFSMData() {}
+	///
+	char_type deadkey_;
+	///
+	KmodInfo deadkey_info_;
+	///
+	char_type deadkey2_;
+	///
+	KmodInfo deadkey2_info_;
+	///
+	Keyexc 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 docstring const normalkey(char_type);
+	///
+	virtual bool backspace() { return true; }
+	///
+	virtual docstring const deadkey(char_type, KmodInfo);
+};
+
+
+/// Deadkey State
+class TransDeadkeyState : virtual public TransFSMData, public TransState {
+public:
+	///
+	TransDeadkeyState();
+	///
+	virtual docstring const normalkey(char_type);
+	///
+	virtual bool backspace() {
+		currentState = init_state_;
+		return false;
+	}
+	///
+	virtual docstring const deadkey(char_type, KmodInfo);
+};
+
+
+/// Combined State
+class TransCombinedState : virtual public TransFSMData, public TransState {
+public:
+	///
+	TransCombinedState();
+	///
+	virtual docstring const normalkey(char_type);
+	///
+	virtual bool backspace() {
+		// cancel the second deadkey
+		deadkey2_ = 0;
+		deadkey2_info_.accent = TEX_NOACCENT;
+		currentState = deadkey_state_;
+
+		return false;
+	}
+	///
+	virtual docstring const deadkey(char_type, KmodInfo);
+};
+
+
+///
+class TransFSM : virtual public TransFSMData,
+		 public TransInitState,
+		 public TransDeadkeyState,
+		 public TransCombinedState {
+public:
+	///
+	TransFSM();
+};
+
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// TransManager
+//
+/////////////////////////////////////////////////////////////////////
+
+class TransManager {
+private:
+	///
+	TransFSM trans_fsm_;
+	///
+	Trans * active_;
+	///
+	boost::scoped_ptr<Trans> t1_;
+	///
+	boost::scoped_ptr<Trans> t2_;
+	///
+	static Trans default_;
+	///
+	void insert(docstring const &, Text *, Cursor & cur);
+public:
+	///
+	TransManager();
+	///
+	~TransManager();
+	///
+	int setPrimary(std::string const &);
+	///
+	int setSecondary(std::string const &);
+	///
+	void enablePrimary();
+	///
+	void enableSecondary();
+	///
+	void disableKeymap();
+	///
+	bool backspace() { return trans_fsm_.currentState->backspace(); }
+	///
+	void translateAndInsert(char_type, Text *, Cursor &);
+	///
+	docstring const deadkey(char_type c, KmodInfo t)
+		{ return trans_fsm_.currentState->deadkey(c, t); }
+	///
+	docstring const normalkey(char_type c)
+		{ return trans_fsm_.currentState->normalkey(c); }
+	///
+	void deadkey(char_type, tex_accent, Text *, Cursor &);
+};
+
 } // namespace lyx
 
 #endif // TRANS_H