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game/shared/econ/localization_provider.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: provide a layer of abstraction between GC and vgui localization systems
+//
+//=============================================================================
+
+#ifndef LOCALIZATION_PROVIDER_H
+#define LOCALIZATION_PROVIDER_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "language.h"
+#include "ilocalize.h"
+
+
+// interface matches a subset of VGUI functions
+class CLocalizationProvider
+{
+public:
+	virtual locchar_t *Find( const char *pchKey ) const = 0;
+	locchar_t* FindSafe( const char* pchKey ) const;
+
+	// new interface
+	virtual void ConvertLoccharToANSI	( const locchar_t *loc_In, CUtlConstString *out_ansi ) const = 0;
+	virtual void ConvertLoccharToUnicode( const locchar_t *loc_In, CUtlConstWideString *out_unicode ) const = 0;
+	virtual void ConvertUTF8ToLocchar	( const char *utf8_In, CUtlConstStringBase<locchar_t> *out_loc ) const = 0;
+	
+	// old C-style interface
+	virtual int ConvertLoccharToANSI( const locchar_t *loc, OUT_Z_BYTECAP(ansiBufferSize) char *ansi, int ansiBufferSize ) const = 0;
+	virtual int ConvertLoccharToUnicode( const locchar_t *loc, OUT_Z_BYTECAP(unicodeBufferSize) wchar_t *unicode, int unicodeBufferSize ) const = 0;
+
+	virtual void ConvertUTF8ToLocchar( const char *utf8, OUT_Z_BYTECAP(loccharBufferSize) locchar_t *locchar, int loccharBufferSize ) const = 0;
+
+	virtual ELanguage GetELang() const = 0;
+};
+CLocalizationProvider *GLocalizationProvider();
+
+#ifdef GC 
+// GC localization is handled by the GC itself
+class CGCLocalizationProvider : public CLocalizationProvider
+{
+public:
+	CGCLocalizationProvider( CGCGameBase *pGC, ELanguage eLang = k_Lang_English )
+	{
+		m_pGC = pGC;
+		m_eLang = eLang;
+	}
+
+	static bool BEnsureCleanUTF8Truncation( char *unicodeOutput );
+
+	virtual locchar_t *Find( const char *pchKey ) const;
+
+	// new interface
+	virtual void ConvertLoccharToANSI	( const locchar_t *loc_In, CUtlConstString *out_ansi ) const;
+	virtual void ConvertLoccharToUnicode( const locchar_t *loc_In, CUtlConstWideString *out_unicode ) const;
+	virtual void ConvertUTF8ToLocchar	( const char *utf8_In, CUtlConstStringBase<locchar_t> *out_loc ) const;
+
+	// old C-style interface
+	virtual int ConvertLoccharToANSI( const locchar_t *loc, char *ansi, int ansiBufferSize ) const;
+	virtual int ConvertLoccharToUnicode( const locchar_t *loc, wchar_t *unicode, int unicodeBufferSize ) const;
+
+	virtual void ConvertUTF8ToLocchar( const char *utf8, locchar_t *locchar, int loccharBufferSize ) const;
+
+	virtual ELanguage GetELang() const { return m_eLang; }
+
+private:
+	CGCGameBase		*m_pGC;
+	ELanguage		m_eLang;
+};
+
+
+#else
+
+#include "vgui/ILocalize.h"
+extern vgui::ILocalize				*g_pVGuiLocalize;
+
+// Game localization is handled by vgui
+class CVGUILocalizationProvider : public CLocalizationProvider
+{
+public:
+	CVGUILocalizationProvider();
+
+	virtual locchar_t *Find( const char *pchKey ) const;
+	
+	// new interface
+	virtual void ConvertLoccharToANSI	( const locchar_t *loc_In, CUtlConstString *out_ansi ) const;
+	virtual void ConvertLoccharToUnicode( const locchar_t *loc_In, CUtlConstWideString *out_unicode ) const;
+	virtual void ConvertUTF8ToLocchar	( const char *utf8_In, CUtlConstStringBase<locchar_t> *out_loc ) const;
+
+	// old C-style interface
+	virtual int ConvertLoccharToANSI( const locchar_t *loc, char *ansi, int ansiBufferSize ) const;
+	virtual int ConvertLoccharToUnicode( const locchar_t *loc, wchar_t *unicode, int unicodeBufferSize ) const;
+
+	virtual void ConvertUTF8ToLocchar( const char *utf8, locchar_t *locchar, int loccharBufferSize ) const;
+
+	virtual ELanguage GetELang() const { return k_Lang_None; }
+
+};
+#endif
+
+#endif // LOCALIZATION_PROVIDER_H