C++ (Cpp) ICCItem::IsQuoted Examples

Example #1

File: Functions.cpp Project: alanhorizon/Transport

ICCItem *fnLogical (CEvalContext *pCtx, ICCItem *pArguments, DWORD dwData)

//	fnLogical
//
//	Logical operators
//
//	(and exp1 exp2 ... expn)
//	(or exp1 exp2 ... expn)

	{
	CCodeChain *pCC = pCtx->pCC;
	int i;

	//	Loop over all arguments

	for (i = 0; i < pArguments->GetCount(); i++)
		{
		ICCItem *pResult;
		ICCItem *pArg = pArguments->GetElement(i);

		//	Evaluate the item

		if (pArg->IsQuoted())
			pResult = pArg->Reference();
		else
			{
			pResult = pCC->Eval(pCtx, pArg);

			if (pResult->IsError())
				return pResult;
			}

		//	If we are evaluating NOT then reverse the value

		if (dwData == FN_LOGICAL_NOT)
			{
			if (pResult->IsNil())
				{
				pResult->Discard(pCC);
				return pCC->CreateTrue();
				}
			else
				{
				pResult->Discard(pCC);
				return pCC->CreateNil();
				}
			}

		//	If we are evaluating AND and we've got Nil, then
		//	we can guarantee that the expression is Nil

		else if (dwData == FN_LOGICAL_AND && pResult->IsNil())
			return pResult;

		//	Otherwise, if we're evaluating OR and we've got non-Nil,
		//	then we can guarantee that the expression is True

		else if (dwData == FN_LOGICAL_OR && !pResult->IsNil())
			{
			pResult->Discard(pCC);
			return pCC->CreateTrue();
			}

		//	Otherwise, we continue

		pResult->Discard(pCC);
		}

	//	If we get here then all the operands are the same (either all
	//	True or all Nil depending)

	if (dwData == FN_LOGICAL_AND)
		return pCC->CreateTrue();
	else
		return pCC->CreateNil();
	}

Example #2

File: CLanguageDataBlock.cpp Project: smileyninja/Transcendence

ALERROR CLanguageDataBlock::InitFromXML (SDesignLoadCtx &Ctx, CXMLElement *pDesc)

//	InitFromXML
//
//	Initializes from an XML block

	{
	int i;

	for (i = 0; i < pDesc->GetContentElementCount(); i++)
		{
		CXMLElement *pItem = pDesc->GetContentElement(i);
		CString sID = pItem->GetAttribute(ID_ATTRIB);
		if (sID.IsBlank())
			{
			Ctx.sError = strPatternSubst(CONSTLIT("Invalid id in <Language> block"));
			return ERR_FAIL;
			}

		if (strEquals(pItem->GetTag(), TEXT_TAG))
			{
			//	Link the code

			CCodeChainCtx CCCtx;
			ICCItem *pCode = CCCtx.Link(pItem->GetContentText(0), 0, NULL);
			if (pCode->IsError())
				{
				Ctx.sError = strPatternSubst(CONSTLIT("Language id: %s : %s"), sID, pCode->GetStringValue());
				return ERR_FAIL;
				}

			//	Add an entry

			bool bIsNew;
			SEntry *pEntry = m_Data.SetAt(sID, &bIsNew);
			if (!bIsNew)
				{
				Ctx.sError = strPatternSubst(CONSTLIT("Duplicate <Language> element: %s"), sID);
				return ERR_FAIL;
				}

			//	If pCode is a string and not an identifier, then we can just
			//	store it directly.

			if (pCode->IsIdentifier() && pCode->IsQuoted())
				{
				pEntry->pCode = NULL;
				pEntry->sText = pCode->GetStringValue();
				}

			//	Otherwise we store the code

			else
				pEntry->pCode = pCode->Reference();

			//	Done

			CCCtx.Discard(pCode);
			}
		else if (strEquals(pItem->GetTag(), MESSAGE_TAG))
			{
			//	Add an entry

			bool bIsNew;
			SEntry *pEntry = m_Data.SetAt(sID, &bIsNew);
			if (!bIsNew)
				{
				Ctx.sError = strPatternSubst(CONSTLIT("Duplicate <Language> element: %s"), sID);
				return ERR_FAIL;
				}

			//	Set the text

			pEntry->pCode = NULL;
			pEntry->sText = pItem->GetAttribute(TEXT_ATTRIB);
			}
		else
			{
			Ctx.sError = strPatternSubst(CONSTLIT("Invalid element in <Language> block: <%s>"), pItem->GetTag());
			return ERR_FAIL;
			}
		}

	return NOERROR;
	}