C++ KviCString::trim方法代码示例

	void bufferFromBlock(KviCString & szBuffer)
	{
		szBuffer.trim();

		if((*(szBuffer.ptr()) == '{') && szBuffer.lastCharIs('}'))
		{
			// leading and trailing { must be stripped
			szBuffer.cutLeft(1);
			szBuffer.cutRight(1);
		}

		unindent(szBuffer);

		szBuffer.trim();
	}

	bool hasLeadingChars(KviCString ** pszArray, char c)
	{
		if(!(*pszArray))
			return false; // can't have more leading chars

		bool bGotIt = false;
		while(*pszArray)
		{
			if(*((*pszArray)->ptr()) == c)
			{
				// found at least one such leading char
				bGotIt = true;
			} else {
				// we pretend this line to be empty
				KviCString szTmp = *(*pszArray);
				szTmp.trim();
				if(szTmp.hasData())
					return false;
				*(*pszArray) = ""; // set it to empty also in the main buffer
			}
			pszArray++;
		}
		return bGotIt;
	}

bool KviHttpRequest::processHeader(KviCString &szHeader)
{
	int idx = szHeader.findFirstIdx("\r\n");
	KviCString szResponse;
	if(idx != -1)
	{
		szResponse = szHeader.left(idx);
		szHeader.cutLeft(idx + 2);
	} else {
		szResponse = szHeader;
		szHeader = "";
	}

	szResponse.trim();

	bool bValid = false;

	unsigned int uStatus = 0;

	// check the response value
	if(kvi_strEqualCSN(szResponse.ptr(),"HTTP",4))
	{
		KviCString szR = szResponse;
		szR.cutToFirst(' ');
		szR.trim();
		int idx = szR.findFirstIdx(' ');
		KviCString szNumber;
		if(idx != -1)szNumber = szR.left(idx);
		else szNumber = szR;
		bool bOk;
		uStatus = szNumber.toUInt(&bOk);
		if(bOk)bValid = true;
	}

	QString szUniResponse = QString::fromUtf8(szResponse.ptr());

	if(!bValid)
	{
		// the response is invalid ?
		resetInternalStatus();
		m_szLastError = __tr2qs("Invalid HTTP response: %1").arg(szUniResponse);
		emit terminated(false);
		return false;
	}

	emit status(__tr2qs("Received HTTP response: %1").arg(szUniResponse));

	KviPointerList<KviCString> hlist;
	hlist.setAutoDelete(true);

	idx = szHeader.findFirstIdx("\r\n");
	while(idx != -1)
	{
		if(idx > 0)
		{
			hlist.append(new KviCString(szHeader.ptr(),idx));
			szHeader.cutLeft(idx + 2);
		}
		idx = szHeader.findFirstIdx("\r\n");
	}
	if(szHeader.hasData())hlist.append(new KviCString(szHeader));

	KviPointerHashTable<const char *,KviCString> hdr(11,false,true);
	hdr.setAutoDelete(true);

	for(KviCString * s = hlist.first();s;s = hlist.next())
	{
		idx = s->findFirstIdx(":");
		if(idx != -1)
		{
			KviCString szName = s->left(idx);
			s->cutLeft(idx + 1);
			s->trim();
			hdr.replace(szName.ptr(),new KviCString(*s));
			//qDebug("FOUND HEADER (%s)=(%s)",szName.ptr(),s->ptr());
		}
	}

	KviCString * size = hdr.find("Content-length");
	if(size)
	{
		bool bOk;
		m_uTotalSize = size->toUInt(&bOk);
		if(!bOk)m_uTotalSize = 0;
	}

	KviCString * contentEncoding = hdr.find("Content-encoding");
	if(contentEncoding)
	{
		m_bGzip = contentEncoding->equalsCI("gzip");
	}

	KviCString * transferEncoding = hdr.find("Transfer-Encoding");
	if(transferEncoding)
	{
		if(kvi_strEqualCI(transferEncoding->ptr(),"chunked"))
		{
			// be prepared to handle the chunked transfer encoding as required by HTTP/1.1
			m_bChunkedTransferEncoding = true;
			m_uRemainingChunkSize = 0;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
		KviMemory::free(pcBuffer);
		f.close();
		return false;
	}

	// Check for broken *.mo files
	if(uSize < (24 + (sizeof(GnuMoStringDescriptor) * iStringsNum)))
	{
		qDebug("KviLocale: Broken translation file %s (too small for all descriptors)",szCatalogueFile.toUtf8().data());
		KviMemory::free(pcBuffer);
		f.close();
		return false;
	}

	GnuMoStringDescriptor * pOrigDescriptor  = (GnuMoStringDescriptor *)(pcBuffer + KVI_SWAP_IF_NEEDED(bMustSwap,hdr.orig_tab_offset));
	GnuMoStringDescriptor * pTransDescriptor = (GnuMoStringDescriptor *)(pcBuffer + KVI_SWAP_IF_NEEDED(bMustSwap,hdr.trans_tab_offset));

	// Check again for broken *.mo files
	int iExpectedFileSize = KVI_SWAP_IF_NEEDED(bMustSwap,pTransDescriptor[iStringsNum - 1].offset) +
			KVI_SWAP_IF_NEEDED(bMustSwap,pTransDescriptor[iStringsNum - 1].length);

	if(uSize < (unsigned int)iExpectedFileSize)
	{
		qDebug("KviLocale: Broken translation file %s (too small for all the message strings)",szCatalogueFile.toUtf8().data());
		KviMemory::free(pcBuffer);
		f.close();
		return false;
	}

	// Ok...we can run now

	int iDictSize = kvi_getFirstBiggerPrime(iStringsNum);
	if(m_pMessages)
		delete m_pMessages;
	m_pMessages = new KviPointerHashTable<const char *,KviTranslationEntry>(iDictSize,true,false); // dictSize, case sensitive, don't copy keys
	m_pMessages->setAutoDelete(true);

	KviCString szHeader;

	for(int i = 0; i < iStringsNum; i++)
	{
		// FIXME: "Check for NULL inside strings here ?"
		//qDebug("original seems to be at %u and %u byttes long",KVI_SWAP_IF_NEEDED(bMustSwap,pOrigDescriptor[i].offset),
		//	KVI_SWAP_IF_NEEDED(bMustSwap,pOrigDescriptor[i].length));
		//qDebug("translated seems to be at %u and %u byttes long",KVI_SWAP_IF_NEEDED(bMustSwap,pTransDescriptor[i].offset),
		//	KVI_SWAP_IF_NEEDED(bMustSwap,pTransDescriptor[i].length));

		KviTranslationEntry * e = new KviTranslationEntry(
			(char *)(pcBuffer + KVI_SWAP_IF_NEEDED(bMustSwap,pOrigDescriptor[i].offset)),
			KVI_SWAP_IF_NEEDED(bMustSwap,pOrigDescriptor[i].length),
			(char *)(pcBuffer + KVI_SWAP_IF_NEEDED(bMustSwap,pTransDescriptor[i].offset)),
			KVI_SWAP_IF_NEEDED(bMustSwap,pTransDescriptor[i].length));

		// In some (or all?) *.mo files the first string
		// is zero bytes long and the translated one contains
		// information about the translation
		if(e->m_szKey.len() == 0)
		{
			szHeader = e->m_szEncodedTranslation;
			delete e;
			continue;
		}

		m_pMessages->insert(e->m_szKey.ptr(),e);
	}

	KviMemory::free(pcBuffer);
	f.close();

	m_pTextCodec = 0;

	// find out the text encoding, if possible
	if(szHeader.hasData())
	{
		// find "charset=*\n"
		int iIdx = szHeader.findFirstIdx("charset=");
		if(iIdx != -1)
		{
			szHeader.cutLeft(iIdx + 8);
			szHeader.cutFromFirst('\n');
			szHeader.trim();
			m_pTextCodec = KviLocale::instance()->codecForName(szHeader.ptr());
			if(!m_pTextCodec)
			{
				qDebug("Can't find the codec for charset=%s",szHeader.ptr());
				qDebug("Falling back to codecForLocale()");
				m_pTextCodec = QTextCodec::codecForLocale();
			}
		}
	}

	if(!m_pTextCodec)
	{
		qDebug("The message catalogue does not have a \"charset\" header");
		qDebug("Assuming utf8"); // FIXME: or codecForLocale() ?
		m_pTextCodec = QTextCodec::codecForName("UTF-8");
	}

	return true;
}