自学教程：C++ strPatternSubst函数代码示例

ALERROR CSingleItem::LoadFromXML (SDesignLoadCtx &Ctx, CXMLElement *pDesc)//	LoadFromXML////	Load from XML	{	ALERROR error;	if (error = m_pItemType.LoadUNID(Ctx, pDesc->GetAttribute(ITEM_ATTRIB)))		return error;	m_iDamaged = pDesc->GetAttributeInteger(DAMAGED_ATTRIB);	m_bDebugOnly = pDesc->GetAttributeBool(DEBUG_ONLY_ATTRIB);	if (m_pItemType.GetUNID() == 0)		{		CString sUNID = pDesc->GetAttribute(ITEM_ATTRIB);		if (sUNID.IsBlank())			Ctx.sError = strPatternSubst(CONSTLIT("<Item> element missing item attribute."));		else			Ctx.sError = strPatternSubst(CONSTLIT("Invalid item UNID: %s"), sUNID);		return ERR_FAIL;		}	if (error = m_Enhanced.InitFromXML(Ctx, pDesc))		return error;	return NOERROR;	}

CString CDeviceClass::GetReferencePower (CItemCtx &Ctx)//	GetReferencePower////	Returns a string for the reference relating to the power required for//	this device.	{	int iPower = GetPowerRating(Ctx);	//	Compute the power units	CString sUnit;	if (iPower == 0)		return NULL_STR;	else if (iPower >= 10000)		{		sUnit = CONSTLIT("GW");		iPower = iPower / 1000;		}	else		sUnit = CONSTLIT("MW");	//	Decimal	int iMW = iPower / 10;	int iMWDecimal = iPower % 10;	if (iMW >= 100 || iMWDecimal == 0)		return strPatternSubst(CONSTLIT("%d %s"), iMW, sUnit);	else		return strPatternSubst(CONSTLIT("%d.%d %s"), iMW, iMWDecimal, sUnit);	}

void CUIHelper::CreateClassInfoCargo (CShipClass *pClass, const CDeviceDescList &Devices, int x, int y, int cxWidth, DWORD dwOptions, int *retcyHeight, IAnimatron **retpInfo) const//	CreateClassInfoCargo////	Creates info about the ship class' cargo	{	const CVisualPalette &VI = m_HI.GetVisuals();	CDeviceClass *pCargoExtension = Devices.GetNamedDevice(devCargo);	int iCargoSpace = pClass->GetCargoSpace();	if (pCargoExtension)		iCargoSpace += pCargoExtension->GetCargoSpace();	//	Icon	CItemType *pItemIcon = (pCargoExtension ? pCargoExtension->GetItemType() : g_pUniverse->FindItemType(CARGO_HOLD_EXPANSION_UNID));	//	Text	CString sText = strPatternSubst(CONSTLIT("{/rtf {/f:LargeBold;/c:%d; %s} {/f:MediumBold;/c:%d; %s}/n{/f:Medium;/c:%d; %s}}"),			CG16bitImage::RGBFromPixel(VI.GetColor(colorTextDialogLabel)),			strFromInt(iCargoSpace, TRUE),			CG16bitImage::RGBFromPixel(VI.GetColor(colorTextDialogInput)),			(pCargoExtension ? strPatternSubst(CONSTLIT("ton %s"), CTextBlock::Escape(pCargoExtension->GetItemType()->GetNounPhrase(nounActual))) : CONSTLIT("ton cargo hold")),			CG16bitImage::RGBFromPixel(VI.GetColor(colorTextDialogLabel)),			(iCargoSpace < pClass->GetMaxCargoSpace() ? strPatternSubst(CONSTLIT("optional expansion up to %d tons"), pClass->GetMaxCargoSpace()) : CONSTLIT("cargo space cannot be expanded")));	CreateClassInfoSpecialItem(pItemIcon, sText, x, y, cxWidth, dwOptions, retcyHeight, retpInfo);	}

CString CCInteger::Print (CCodeChain *pCC, DWORD dwFlags)//	Print////	Returns a text representation of this item	{	//	If this is an error code, translate it	if (IsError())		{		switch (m_iValue)			{			case CCRESULT_NOTFOUND:				return strPatternSubst(LITERAL("[%d] Item not found."), m_iValue);			case CCRESULT_CANCEL:				return strPatternSubst(LITERAL("[%d] Operation canceled."), m_iValue);			case CCRESULT_DISKERROR:				return strPatternSubst(LITERAL("[%d] Disk error."), m_iValue);			default:				return strPatternSubst(LITERAL("[%d] Unknown error."), m_iValue);			}		}	//	Otherwise, just print the integer value	else		return strFromInt(m_iValue, TRUE);	}

ALERROR CDesignCollection::AddEntry (SDesignLoadCtx &Ctx, CDesignType *pEntry)//	AddEntry////	Adds an entry to the collection	{	ALERROR error;	DWORD dwUNID = pEntry->GetUNID();	//	If this is an extension, then add to the appropriate extension	CDesignTable *pTable = NULL;	if (Ctx.pExtension)		{		pTable = &Ctx.pExtension->Table;		//	If the UNID of the entry does not belong to the extension, then make sure it		//	overrides a valid base entry		if (!Ctx.pExtension->bRegistered				&& (dwUNID & UNID_DOMAIN_AND_MODULE_MASK) != (Ctx.pExtension->dwUNID & UNID_DOMAIN_AND_MODULE_MASK))			{			//	Cannot override AdventureDesc			if (pEntry->GetType() == designAdventureDesc)				{				Ctx.sError = CONSTLIT("<AdventureDesc> UNID must be part of extension.");				return ERR_FAIL;				}			//	Make sure we override a base type			else if (m_Base.FindByUNID(dwUNID) == NULL)				{				Ctx.sError = strPatternSubst(CONSTLIT("Invalid UNID: %x [does not match extension UNID or override base type]"), dwUNID);				return ERR_FAIL;				}			}		}	//	Otherwise, add to the base design types	else		pTable = &m_Base;	//	Add	if (error = pTable->AddEntry(pEntry))		{		if (pTable->FindByUNID(dwUNID))			Ctx.sError = strPatternSubst(CONSTLIT("Duplicate UNID: %x"), dwUNID);		else			Ctx.sError = strPatternSubst(CONSTLIT("Error adding design entry UNID: %x"), dwUNID);		return error;		}	return NOERROR;	}

ALERROR CMarkovWordGenerator::WriteAsXML (IWriteStream *pOutput)//	WriteAsXML////	Writes out the Markov chain data to an XML element	{	ALERROR error;	int i;	//	Open tag	CString sData;	sData = CONSTLIT("/t<WordGenerator>/r/n");	if (error = pOutput->Write(sData.GetPointer(), sData.GetLength(), NULL))		return error;	//	Fragments	for (i = 0; i < m_Table.GetCount(); i++)		{		sData = CONSTLIT("/t/t<Syl>");		if (error = pOutput->Write(sData.GetPointer(), sData.GetLength(), NULL))			return error;		sData = strPatternSubst(CONSTLIT("%s;%d;%d;"), strToXMLText(CString(m_Table[i]->sFrag)), m_Table[i]->dwCount, m_Table[i]->dwFlags);		if (error = pOutput->Write(sData.GetPointer(), sData.GetLength(), NULL))			return error;		SChainChar *pChain = GetChain(m_Table[i]);		while ((*(DWORD *)pChain) != 0)			{			char chChar[2];			chChar[0] = pChain->chChar;			chChar[1] = '/0';			CString sChar = strToXMLText(CString(chChar, 1, true));			sData = strPatternSubst(CONSTLIT("%s;%d;"), sChar, pChain->dwCount);			if (error = pOutput->Write(sData.GetPointer(), sData.GetLength(), NULL))				return error;			pChain++;			}		sData = CONSTLIT("</Syl>/r/n");		if (error = pOutput->Write(sData.GetPointer(), sData.GetLength(), NULL))			return error;		}	//	Done	//	Close tag	sData = CONSTLIT("/t</WordGenerator>/r/n");	if (error = pOutput->Write(sData.GetPointer(), sData.GetLength(), NULL))		return error;	return NOERROR;	}

bool arcDecompressFile (const CString &sArchive, const CString &sFilename, IWriteStream &Output, CString *retsError)//	arcDecompressFile////	Unzips to a stream.	{	unzFile theZipFile = unzOpen(sArchive.GetASCIIZPointer());	if (theZipFile == NULL)		{		*retsError = strPatternSubst(CONSTLIT("Unable to open file: %s."), sArchive);		return false;		}	if (unzLocateFile(theZipFile, sFilename.GetASCIIZPointer(), 0) != UNZ_OK)		{		unzClose(theZipFile);		*retsError = strPatternSubst(CONSTLIT("Unable to find file in archive: %s."), sFilename);		return false;		}	if (unzOpenCurrentFile(theZipFile) != UNZ_OK)		{		unzClose(theZipFile);		*retsError = strPatternSubst(CONSTLIT("Unable to open file in archive: %s."), sFilename);		return false;		}	while (true)		{		char szBuffer[BUFFER_SIZE];		int iRead = unzReadCurrentFile(theZipFile, szBuffer, BUFFER_SIZE);		if (iRead == 0)			break;		else if (iRead < 0)			{			unzCloseCurrentFile(theZipFile);			unzClose(theZipFile);			*retsError = CONSTLIT("Error reading archive.");			return false;			}		Output.Write(szBuffer, iRead);		}	//	Returns UNZ_CRCERROR if the file failed its CRC check.	if (unzCloseCurrentFile(theZipFile) != UNZ_OK)		{		unzClose(theZipFile);		*retsError = strPatternSubst(CONSTLIT("File in archive corrupted: %s."), sArchive);		return false;		}	unzClose(theZipFile);	return true;	}

CString GetTypeDesc (CDesignType *pType)	{	CString sName = pType->GetTypeName();	if (sName.IsBlank())		return strPatternSubst(CONSTLIT("%08x: [%s]"), pType->GetUNID(), pType->GetTypeClassName());	else		return strPatternSubst(CONSTLIT("%08x: %s [%s]"), pType->GetUNID(), sName, pType->GetTypeClassName());	}

CString CShieldClass::GetReference (CItemCtx &Ctx, int iVariant, DWORD dwFlags)//	GetReference////	Returns a string that describes the basic attributes//	of this shield////	Example:////		20 hp (average regen); 100MW	{	int i;	CString sReference;	CString sRegeneration;	const CItemEnhancement &Mods = Ctx.GetMods();	//	Compute the strength string	int iMin, iMax;	CalcMinMaxHP(Ctx, m_iMaxCharges, 0, 0, &iMin, &iMax);	//	Compute the regeneration	if (m_iRegenHP > 0)		{		int iRate = (int)((10.0 * g_TicksPerSecond * m_iRegenHP / m_iRegenRate) + 0.5);		if (iRate == 0)			sRegeneration = CONSTLIT("<0.1 hp/sec");		else if ((iRate % 10) == 0)			sRegeneration = strPatternSubst(CONSTLIT("%d hp/sec"), iRate / 10);		else			sRegeneration = strPatternSubst(CONSTLIT("%d.%d hp/sec"), iRate / 10, iRate % 10);		}	else		sRegeneration = CONSTLIT("none");	sReference = strPatternSubst("%s 
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