/**
* Gets value of specified attribute out of some HTML Tag
* @param pElem HTML element pointer
* @param bstrText Name of the attribute
* @param sValue Reference of the string that will hold the value
* @return true if attribute is present false otherwise
*/
bool COfflineBrowser::GetAttribute(MSHTML::IHTMLElementPtr pElem, BSTR bstrText, std::string& sValue)
{
try
{
CComVariant var = pElem->getAttribute(bstrText, 0);
USES_CONVERSION;
if (var.vt == VT_BSTR && var.bstrVal != NULL)
sValue = (LPCTSTR)OLE2T(var.bstrVal);
else
sValue = "";
}
//Attribute not present
catch (_com_error e)
{
sValue = "";
}
//Special condition for about:blank, keep remember it
int nIndex = sValue.find("about:blank");
if(nIndex == 0)
{
int nLen = strlen("about:blank");
sValue = sValue.substr(nLen, sValue.length()-nLen);
}
return sValue.length() ? true : false;
}
