/// <summary>
///
/// </summary>
/// <param name="vn"></param>
/// <param name="s"></param>
/// <returns></returns>
private bool lang(VTDNav vn, String s)
{
// check the length of s
bool b = false;
vn.push2();
try
{
while (vn.getCurrentDepth() >= 0)
{
int i = vn.getAttrVal("xml:lang");
if (i != -1)
{
b = vn.matchTokenString(i, s);
break;
}
vn.toElement(VTDNav.P);
}
}
catch (NavException e)
{
}
vn.pop2();
return(b);
}
/// <summary> This method implements the attribute axis for XPath</summary>
/// <returns> the integer of the selected VTD index for attribute name
/// </returns>
/// <throws> PilotException </throws>
public int iterateAttr()
{
switch (iter_type)
{
case ATTR:
if (String.CompareOrdinal(name, "*") == 0)
{
if (ft != false)
{
ft = false;
index = vn.getCurrentIndex2() + 1;
}
else
{
index += 2;
}
if (vn.ns == false)
{
while (index < size)
{
int type = vn.getTokenType(index);
if (type == VTDNav.TOKEN_ATTR_NAME || type == VTDNav.TOKEN_ATTR_NS)
{
//vn.LN = index;
return(index);
}
else
{
return(-1);
}
}
return(-1);
}
else
{
while (index < size)
{
int type = vn.getTokenType(index);
if (type == VTDNav.TOKEN_ATTR_NAME || type == VTDNav.TOKEN_ATTR_NS)
{
if (type == VTDNav.TOKEN_ATTR_NAME)
{
//vn.LN = index;
return(index);
}
else
{
index += 2;
}
}
else
{
return(-1);
}
}
return(-1);
}
}
else
{
if (ft == false)
{
return(-1);
}
else
{
ft = false;
int i = vn.getAttrVal(name);
if (i != -1)
{
//vn.LN = i - 1;
return(i - 1);
}
else
{
return(-1);
}
}
}
//goto case ATTR_NS;
case ATTR_NS:
if (ft == false)
{
return(-1);
}
else
{
ft = false;
int i = vn.getAttrValNS(URL, localName);
if (i != -1)
{
//vn.LN = i - 1;
return(i - 1);
}
else
{
return(-1);
}
}
//goto default;
default:
throw new PilotException("invalid iteration type");
}
}