evahtmlparser.cpp

linux下的eva源代码

	QChar dot = imgName.at(imgName.length() - 4);
	args->type = 32;
	args->fileName = imgName.left(imgName.length() - ((dot=='.')?0:2));
	//printf("EvaHtmlParser::processPic32 -- args->fileName: %s\n", args->fileName.ascii());
	QFile file(absCustomCachesPath + "/" + imgName);
	if(file.exists()){
		args->tmpFileName = absCustomCachesPath + "/" + imgName;
		args->isExisted = true;
	}else
		args->tmpFileName = "/t_" + imgName;
	
	return "<img src=\"" + args->tmpFileName + "\">";
}

// for 33, only fileName and shortCutName are useful.
QString EvaHtmlParser::processPic33( const QString &src, CustomizedPic * args )
{
	QString contents = src.mid(9, src.length()-9-11);
	//args->isExisted = true;
	args->type = 33;
	args->fileName = contents.mid(0, 36);
	args->shortCutName = contents.right(contents.length() - 36);
	args->tmpFileName = ((absCustomCachesPath)?absCustomCachesPath:"~/.eva/customCaches") + "/" + "tmp" + QString::number(tmpNum) + ".png";
	QString ret =  "<img src=\"" + args->tmpFileName +"\">";
	return ret;
}

QString EvaHtmlParser::processPic34( const QString &src)
{
	QString contents = src.mid(9, src.length()-9-11);

	int occurredIndex = contents.latin1()[0] - 'A'; 
	if(occurredIndex >= (int)(picList.size())){
		return "<img src=\"" + ((absCustomCachesPath)?absCustomCachesPath:"~/.eva/customCaches") + "/unknown.png\">";
	}
	int index=0;
	std::list< CustomizedPic >::iterator iter;
	for(iter=picList.begin(); iter!=picList.end(); ++iter){
		if(index == occurredIndex){
			return "<img src=\"" + iter->tmpFileName + "\">";
		}
		index++;
	}
	return "<img src=\"" + ((absCustomCachesPath)?absCustomCachesPath:"~/.eva/customCaches") + "/unknown.png\">";
}

QString EvaHtmlParser::processPic36( const QString &src, CustomizedPic * args )
{
	QString contents = src.mid(10, src.length()-9-11-1);// cause this always be first, so ignore first 'e'
	//args->isFirst = true;
	args->type = 36;
	uint pos = 0;
	Q_UINT8 shortLen = contents.latin1()[pos++] - 'A';
	
	// start getting session key,  it's 4 bytes long but represented in ascii expression of hex with 8 bytes long
	bool ok;
	Q_UINT16 sessionLen = contents.mid(pos, 2).toInt(&ok, 16) - 16 - 2; // we have to minus 2, because we need get rid ot these 2 bytes. 16 is ip(8 bytes) & port(8 bytes)
	pos+=2;
	if(!ok){
		args->type = 0;
		return "<img src=\"" + ((absCustomCachesPath)?absCustomCachesPath:"~/.eva/customCaches") +"/unknown_sessionLen2int.png\">";
	}
	// FIXME: we should use sessionLen to get the session string not fix value 8
	QString strSession = contents.mid(pos, 8);
	uint tmp4 = strSession.stripWhiteSpace().toInt(&ok, 16);
	if(!ok){
		args->type = 0;
		return "<img src=\"" + ((absCustomCachesPath)?absCustomCachesPath:"~/.eva/customCaches") + "/unknown_session2int.png\">";
	}
	args->sessionID = tmp4;
	pos+=8;// note sessionLen is 8 
	
	// we sort ip out now
	QString strIP = contents.mid(pos, 8);
	strIP.replace(' ', '0'); // in the case of "10.0.0.1", which these 0s are presented as white spaces
	args->ip = htonl(strIP.toUInt(&ok, 16));
	if(!ok){
		args->type = 0;
		return "<img src=\"" + ((absCustomCachesPath)?absCustomCachesPath:"~/.eva/customCaches") + "/unknown_ip2int.png\">";
	}
	pos+=8;
	// port 
	QString strPort = contents.mid(pos, 8).stripWhiteSpace();
	args->port = strPort.toInt(&ok, 16) & 0xffff; 
	if(!ok){
		args->type = 0;
		return "<img src=\"" + ((absCustomCachesPath)?absCustomCachesPath:"~/.eva/customCaches") + "/unknown_port2int.png\">";
	}
	pos+=8;
	
	QString strFileAgentKey = contents.mid(pos, 16);
	memcpy(args->fileAgentKey, strFileAgentKey.latin1(), 16);
	pos+=16;
	
	args->fileName = contents.mid(pos, strlen(contents.ascii()) - pos - shortLen - 1); // we have to minus the short cut and the last byte 
	
	pos+=strlen(args->fileName.ascii());

	args->shortCutName = contents.mid(pos, shortLen);
	// if file already existed/downloaded just display it :)
	if(absCustomCachesPath){
		QFile file(absCustomCachesPath + "/" + args->fileName);
		if(file.exists()){
			args->tmpFileName = absCustomCachesPath + "/" + args->fileName;
			args->isExisted = true;
		}else
			args->tmpFileName = absCustomCachesPath + "/tmp" + QString::number(tmpNum) + ".png";
	}else
		args->tmpFileName = "~/.eva/customCaches/tmp" + QString::number(tmpNum) + ".png";
	//args->tmpFileName = ((absCustomCachesPath)?absCustomCachesPath:"~/.eva/customCaches") + "/" + "tmp" + QString::number(tmpNum) + ".png";
	QString ret =  "<img src=\"" + args->tmpFileName +"\">";
	return ret;
}

QString EvaHtmlParser::processPic37( const QString &src)
{
	QString contents = src.mid(9, src.length()-9-11);
	uint pos = 0;
	int occurredIndex = contents.latin1()[pos++] - 'A'; 
	
	//Q_UINT8 shortLen = contents.latin1()[pos++] - 'A';
	
	if(occurredIndex >= (int)picList.size()){
		return "<img src=\"" + ((absCustomCachesPath)?absCustomCachesPath:"~/.eva/customCaches") + "/unknown.png\">";
	}
	int index = 0;
	std::list< CustomizedPic >::iterator iter;
	for(iter=picList.begin(); iter!=picList.end(); ++iter){
		if(index == occurredIndex){
			return "<img src=\"" + iter->tmpFileName + "\">";
		}
		index++;
	}
	return "<img src=\"" + ((absCustomCachesPath)?absCustomCachesPath:"~/.eva/customCaches") + "/unknown.png\">";
}

void EvaHtmlParser::convertToPlainTxt( QString & html, const unsigned int agentSessionID, 
						const unsigned int agentIP, const unsigned short agentPort )
{
	QRegExp rx("<img src=\\d\\d?\\.gif >");
	QRegExp rx1("\\d\\d?");
	QRegExp picRx("<img src=[a-zA-Z0-9_/\\.\\s\\-\\{\\}\\[\\]\\(\\)]{10,100}\\.(jpg|JPG|gif|GIF|bmp|BMP|jpeg|JPEG) >");
	QRegExp picRx1("[a-zA-Z0-9_\\.\\s\\-\\{\\}\\[\\]\\(\\)]{10,100}\\.(jpg|JPG|gif|GIF|bmp|BMP|jpeg|JPEG)");
	int pos=0;
	QString imgTxt, strFile, smiley;
	int fileIndex, len;
	
	while(pos>=0){
		pos = rx.search(html, pos);
		if (pos > -1) {
			imgTxt = rx.cap(0);
			len = rx.matchedLength();
			int p=0;
			p = rx1.search(imgTxt, 0);
			if(p>-1) 
				strFile = rx1.cap(0);
			fileIndex = strFile.toInt();
			if(fileIndex<0 || fileIndex > 95) {
				pos += len;
				continue;
			}
			smiley = QString(EvaUtil::fileIndexToText(fileIndex).c_str()) + " ";
			html.replace(imgTxt, smiley);
			pos += imgTxt.length();
		}
	}
	
	pos =0;
	while(pos>=0){
		pos = picRx.search(html, pos);
		if(pos > -1) {
			imgTxt = picRx.cap(0);
			len = picRx.matchedLength();
			int p=0;
			p = picRx1.search(imgTxt, 0);
			if(p>-1){
				strFile = picRx1.cap(0);
			}
			smiley = generateSendFormat(strFile, agentSessionID, agentIP, agentPort);
			html.replace(imgTxt, smiley);
			pos += smiley.length();
		}
	}
	
	QString start = "<p>";
	pos = html.find(start, 0);
	if(pos!= -1){
		html = html.right(html.length() - pos - start.length());
	}
	html.replace("<br /></p>\n</body></html>", "");
	html.replace("</p>\n</body></html>", "");
	html.replace("\n","");
	html.replace("<br>", "\n");
	html.replace("<p>", "");
	html.replace("<br />","\n");
	html.replace("</p>", "\n");
	html.replace("&amp;", "&");
	html.replace("&lt;", "<");
	html.replace("&gt;", ">");
	html.replace("&quot;", "\"");
}

QString EvaHtmlParser::generateSendFormat( QString & fileName, const unsigned int agentSessionID, 
			const unsigned int agentIP, const unsigned short agentPort )
{
	QString shortcutStr = "";
	if(!fileName.startsWith("{"))
		shortcutStr = (strlen(fileName.ascii()) > 7)?(fileName.mid(1,6)):(fileName);
	//QString shortcutStr = "abc";
	QString lenStr;
	lenStr.sprintf("%3d",strlen(fileName.ascii()) + 50 + strlen(shortcutStr.ascii()));
	
	QString sessionStr;
	sessionStr.sprintf("%8x", agentSessionID);
	
	QString ipStr;
	QString tmpStr;
	char *tmp = new char[4];
	memcpy(tmp, &agentIP, 4);
	for(int i = 0; i <4; i++){
		tmpStr.sprintf("%2x", (Q_UINT8)tmp[i]);
		ipStr+=tmpStr;
	}
	delete tmp;
	
	QString portStr;
	portStr.sprintf("%8x", agentPort);
	
	QString contents = "[36]";
	contents+="e"; // new pic
	int scLen = strlen(shortcutStr.ascii());
	char scCh = 'A' + scLen;
	contents+=scCh; // length of short cut.
	contents+="1A"; // following length
	contents+=sessionStr;
	contents+=ipStr;
	contents+=portStr;
	tmp = new char[17];
	memcpy(tmp, Packet::getFileAgentKey(), 16);
	tmp[16]=0x00;
	contents+=QString(tmp);
	delete tmp;
	contents+=fileName;
	contents+=shortcutStr;
	contents+="A";
	
	return "[ZDY]"+contents+"[/36][/ZDY]";
}

void EvaHtmlParser::parseToAbsPath( QString & html, const QString absPath )
{
	QRegExp rx("<img src=\\d\\d?\\.gif >");
	QRegExp rx1("\\d\\d?");
	QRegExp picRx("<img src=[a-zA-Z0-9_/\\.\\s\\-\\{\\}\\[\\]\\(\\)]+\\.(jpg|JPG|gif|GIF|bmp|BMP|jpeg|JPEG) >");
	QRegExp picRx1("[a-zA-Z0-9_\\.\\s\\-\\{\\}\\[\\]\\(\\)]+\\.(jpg|JPG|gif|GIF|bmp|BMP|jpeg|JPEG)");
	int pos=0, len = 0, fileIndex = 0;
	QString imgTxt, strFile, smiley;
	
	while(pos>=0){
		pos = rx.search(html, pos);
		if (pos > -1) {
			imgTxt = rx.cap(0);
			len = rx.matchedLength();
			int p=0;
			p = rx1.search(imgTxt, 0);
			if(p>-1) 
				strFile = rx1.cap(0);
			smiley = "<img src=\"" + absImagePath + "/" + strFile + ".gif\">";
			html.replace(imgTxt, smiley);
			pos += smiley.length();
		}
	}
	pos = 0;
	while(pos>=0){
		pos = picRx.search(html, pos);
		if(pos > -1) {
			imgTxt = picRx.cap(0);
			int p=0;
			p = picRx1.search(imgTxt, 0);
			if(p>-1)
				strFile = picRx1.cap(0);
			smiley = absPath + "/" + strFile;
			html.replace(strFile, smiley);
			pos += smiley.length();
		}
	}
	QString start = "<p>";
	pos = html.find(start, 0);
	if(pos!= -1){
		html = html.right(html.length() - pos - start.length());
	}
	html.replace("<br /></p>\n</body></html>", "");
	html.replace("</p>\n</body></html>", "");
}

std::list< QString > EvaHtmlParser::getCustomImages( const QString html )
{
	std::list<QString> picList;
	QRegExp picRx("<img src=[a-zA-Z0-9_\\.\\s\\-\\{\\}\\[\\]\\(\\)]{10,100}\\.(jpg|JPG|gif|GIF|bmp|BMP|jpeg|JPEG) >");
	QRegExp picRx1("[a-zA-Z0-9_\\.\\s\\-\\{\\}\\[\\]\\(\\)]{10,100}\\.(jpg|JPG|gif|GIF|bmp|BMP|jpeg|JPEG)");
	int pos=0;
	QString imgTxt, strFile, smiley;
	while(pos>=0){
		pos = picRx.search(html, pos);
		if(pos > -1) {
			imgTxt = picRx.cap(0);
			int p=0;
			p = picRx1.search(imgTxt, 0);
			if(p>-1){
				strFile = picRx1.cap(0);
				picList.push_back(strFile);
			}
			pos += strFile.length();
		}
	}
	return picList;
}