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/*
* ConvertingAlphMgr.cpp
* Dasher
*
* Created by Alan Lawrence on 06/08/2010.
* Copyright 2010 Cavendish Laboratory. All rights reserved.
*
*/
#include "ConvertingAlphMgr.h"
#include "NodeCreationManager.h"
using namespace Dasher;
CConvertingAlphMgr::CConvertingAlphMgr(CSettingsUser *pCreateFrom, CDasherInterfaceBase *pInterface, CNodeCreationManager *pNCManager, CConversionManager *pConvMgr, const CAlphInfo *pAlphabet)
: CAlphabetManager(pCreateFrom, pInterface, pNCManager, pAlphabet), m_pConvMgr(pConvMgr) {
}
void CConvertingAlphMgr::MakeLabels(CDasherScreen *pScreen) {
CAlphabetManager::MakeLabels(pScreen);
m_pConvMgr->ChangeScreen(pScreen);
}
CConvertingAlphMgr::~CConvertingAlphMgr() {
}
CDasherNode *CConvertingAlphMgr::CreateSymbolNode(CAlphNode *pParent, symbol iSymbol) {
//int i=m_pAlphabet->iEnd;
if (iSymbol == m_pAlphabet->iEnd) {
vector<unsigned int> *pCProb(pParent->GetProbInfo());
DASHER_ASSERT(pCProb->size() == m_pAlphabet->iEnd+1);//initial 0, final conversion prob
//this used to be the "CloneAlphContext" method. Why it uses the
// ConversionManager's LM to clone a context from an Alphabet Node,
// I don't know - not sure how LanguageModelling WRT conversion
// is supposed to work...
CLanguageModel::Context iContext = (pParent->iContext)
? m_pConvMgr->m_pLanguageModel->CloneContext(pParent->iContext)
: m_pConvMgr->m_pLanguageModel->CreateEmptyContext();
//ACL setting m_iOffset+1 for consistency with "proper" symbol nodes...
return m_pConvMgr->GetRoot(pParent->offset()+1, iContext);
//Note: previous code used (*pCProb)[i-1] and (*pCProb)[i] instead of
// iLbnd and iHbnd passed in; presumably these must have been the same?
} else {
return CAlphabetManager::CreateSymbolNode(pParent, iSymbol);
}
}
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