/**

 * ===============================================================

 * SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.

 * ===============================================================

 *

 * This file is not open source and may not be copied without explicit

 * written permission of AlliedModders LLC.  This file may not be redistributed 

 * in whole or significant part.

 * For information, see LICENSE.txt or http://www.sourcemod.net/license.php

 *

 * Version: $Id$

 */

#ifndef _INCLUDE_SOURCEMOD_TRANSLATOR_H_

#define _INCLUDE_SOURCEMOD_TRANSLATOR_H_

#include "sm_trie.h"

#include <sh_string.h>

#include <sh_vector.h>

#include "sm_globals.h"

#include "sm_memtable.h"

#include "ITextParsers.h"

#define MAX_TRANSLATE_PARAMS		32

/* :TODO: write a templatized version of tries? */

using namespace SourceHook;

class CTranslator;

enum PhraseParseState

{

	PPS_None = 0,

	PPS_Phrases,

	PPS_InPhrase,

};

struct Language

{

	char m_code2[3];

	int m_FullName;

};

struct Translation

{

	const char *szPhrase;		/**< Translated phrase. */

	unsigned int fmt_count;		/**< Number of format parameters. */

	int *fmt_order;				/**< Format phrase order. */

};

enum TransError

{

	Trans_Okay = 0,

	Trans_BadLanguage = 1,

	Trans_BadPhrase = 2,

	Trans_BadPhraseLanguage = 3,

	Trans_BadPhraseFile = 4,

};

class CPhraseFile : public ITextListener_SMC

{

public:

	CPhraseFile(CTranslator *pTranslator, const char *file);

	~CPhraseFile();

public:

	void ReparseFile();

	const char *GetFilename();

	TransError GetTranslation(const char *szPhrase, unsigned int lang_id, Translation *pTrans);

public: //ITextListener_SMC

	void ReadSMC_ParseStart();

	void ReadSMC_ParseEnd(bool halted, bool failed);

	SMCParseResult ReadSMC_NewSection(const char *name, bool opt_quotes);

	SMCParseResult ReadSMC_KeyValue(const char *key, const char *value, bool key_quotes, bool value_quotes);

	SMCParseResult ReadSMC_LeavingSection();

	SMCParseResult ReadSMC_RawLine(const char *line, unsigned int curline);

private:

	void ParseError(const char *message, ...);

	void ParseWarning(const char *message, ...);

private:

	Trie *m_pPhraseLookup;

	String m_File;

	CTranslator *m_pTranslator;

	PhraseParseState m_ParseState;

	int m_CurPhrase;

	BaseMemTable *m_pMemory;

	BaseStringTable *m_pStringTab;

	unsigned int m_LangCount;

	String m_ParseError;

	String m_LastPhraseString;

	unsigned int m_CurLine;

	bool m_FileLogged;

};

class CTranslator : 

	public ITextListener_SMC,

	public SMGlobalClass

{

public:

	CTranslator();

	~CTranslator();

public: //SMGlobalClass

	void OnSourceModAllInitialized();

public: //ITextListener_SMC

	void ReadSMC_ParseStart();

	SMCParseResult ReadSMC_NewSection(const char *name, bool opt_quotes);

	SMCParseResult ReadSMC_KeyValue(const char *key, const char *value, bool key_quotes, bool value_quotes);

	SMCParseResult ReadSMC_LeavingSection();

public:

	void RebuildLanguageDatabase(const char *lang_header_file);

	unsigned int FindOrAddPhraseFile(const char *phrase_file);

	BaseStringTable *GetStringTable();

	unsigned int GetLanguageCount();

	bool GetLanguageByCode(const char *code, unsigned int *index);

	size_t Translate(char *buffer, size_t maxlength, void **params, const Translation *pTrans);

	CPhraseFile *GetFileByIndex(unsigned int index);

	TransError CoreTrans(int client, 

						 char *buffer, 

						 size_t maxlength, 

						 const char *phrase, 

						 void **params, 

						 size_t *outlen=NULL);

private:

	bool AddLanguage(const char *langcode, const char *description);

private:

	CVector<Language *> m_Languages;

	CVector<CPhraseFile *> m_Files;

	BaseStringTable *m_pStringTab;

	Trie *m_pLCodeLookup;

	bool m_InLanguageSection;

	String m_CustomError;

};

extern CPhraseFile *g_pCorePhrases;

extern CTranslator g_Translator;

#endif //_INCLUDE_SOURCEMOD_TRANSLATOR_H_