C++ (Cpp) ParserDom::getTree Beispiele

Beispiel #1

Datei: htmlcxx.cpp Projekt: gaozan198912/myproject

bool ParseHtml(const char *phtml,pelem_feature pelemfeature,plist_result presult)
{
	if(!phtml || NULL==pelemfeature || pelemfeature->tagname.size() == 0 || NULL==presult) return false;

	tree<HTML::Node> tr;
	std::string html(phtml);
	HTML::ParserDom parser;
	parser.parse(html);
	tr = parser.getTree();

	makelower(pelemfeature->tagname);

	hash_map_alone dataalone;

	for (tree<HTML::Node>::iterator it = tr.begin();it!=tr.end();it++)
	{
		//比较tagname
		std::string tagname = it->tagName();
		makelower(tagname);
		if (tagname != pelemfeature->tagname)
		{
			continue;
		}

		//比较标签文本
		bool bctxtextmatch = true;
		if( pelemfeature->sub_contenttext.size() > 0  )
		{
			bctxtextmatch = stringcheck(it->mContentText,pelemfeature->sub_contenttext);
		}

		if ( false == bctxtextmatch )
		{
			continue;
		}
		
		//比较属性

		it->parseAttributes();

		bool battributematch = true;

		std::pair<bool,std::string> attrpair = it->attribute(pelemfeature->strattributename);

		if( false == stringcheck(attrpair.second,pelemfeature->sub_attributevalue) )
		{
			battributematch = false;
		}

		if ( false == battributematch)
		{
			continue;
		}

		if (pelemfeature->attributequery.size() != 0 && pelemfeature->attributequery != pelemfeature->strattributename)
		{
			attrpair = it->attribute(pelemfeature->attributequery);
		}

		DWORD dwchksum = CRC32((void *)(attrpair.second.c_str()),attrpair.second.size());
		if(dataalone.find(dwchksum) == dataalone.end())
		{
			dataalone[dwchksum]='0';
			presult->push_back(attrpair.second);
		}
		else
		{
			int a=0;
		}
		
	}

	return true;
}