warlngtextengine.cpp

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#include "StdAfx.h"
#include "WarLngTextEngine.h"   // class implemented

#ifndef WAR_AUTO_LOCK_H
#   include "WarAutoLock.h"
#endif

#define AUTO_LOCK WarAutoLock my_lock(mLock);

/////////////////////////////// PUBLIC ///////////////////////////////////////

//============================= LIFECYCLE ====================================

WarLngTextEngine::WarLngTextEngine()
{
	assert(NULL == mpEngine);
	mpEngine = this;
}// WarLngTextEngine

WarLngTextEngine::~WarLngTextEngine()
{
	assert(mpEngine == this);
	mpEngine = NULL;
}// ~WarLngTextEngine


//============================= OPERATORS ====================================

//============================= OPERATIONS ===================================

void WarLngTextEngine::AddLngHandler(war_lngtext_ptr_t& lngPtr)
{
	AUTO_LOCK;

	mLngHandlers.insert(lngPtr);
}

war_lngtext_ptr_t 
WarLngTextEngine::GetLngText(war_ccstr_t name, 
							 war_ccstr_t lngCode)
							 throw(WarException)
{
	AUTO_LOCK;

	war_lngtext_ptr_t key = new WarLngText(name, lngCode);
	lngtext_set_t::iterator P = mLngHandlers.find(key);
    if (P == mLngHandlers.end())
    {
        if (NULL != lngCode)
        {
            if (strlen(lngCode) > 2)
            {
                // Try another variant of the same language
                char code_buf[4];
                code_buf[0] = lngCode[0];
                code_buf[1] = lngCode[1];
                code_buf[2] = '*';
                code_buf[3] = 0;
                
                key = new WarLngText(name, code_buf);
                P = mLngHandlers.find(key);
            }
        }
        
        if (P == mLngHandlers.end())
        {
            // Try default implementation
            key = new WarLngText(name, NULL);
            P = mLngHandlers.find(key);
        }
        
        if (P == mLngHandlers.end())
            WarThrow(WarError(WAR_ERR_OBJECT_NOT_FOUND), NULL);   
    }

	return *P;
}

//============================= CALLBACK   ===================================
//============================= ACCESS     ===================================

WarLngTextEngine& WarLngTextEngine::GetEngine()
{
	assert(NULL != mpEngine);
	return *mpEngine;
}

//============================= INQUIRY    ===================================
/////////////////////////////// PROTECTED  ///////////////////////////////////

/////////////////////////////// PRIVATE    ///////////////////////////////////

WarLngTextEngine * WarLngTextEngine::mpEngine;