private System.String normalizeSpace(VTDNav vn)
{
if (argCount1 == 0)
{
String s = null;
try
{
if (vn.atTerminal)
{
int ttype = vn.getTokenType(vn.LN);
if (ttype == VTDNav.TOKEN_CDATA_VAL)
s = vn.toRawString(vn.LN);
else if (ttype == VTDNav.TOKEN_ATTR_NAME ||
ttype == VTDNav.TOKEN_ATTR_NS)
{
s = vn.toString(vn.LN + 1);
}
else
s = vn.toString(vn.LN);
}
else
{
int i = vn.getCurrentIndex();
int t = vn.getTokenType(i);
if (t == VTDNav.TOKEN_STARTING_TAG || t == VTDNav.TOKEN_DOCUMENT)
{
s = vn.toNormalizedXPathString(i);
}
else
s = vn.toNormalizedString(i);
}
return normalize(s);
}
catch (NavException e)
{
return ""; // this will almost never occur
}
}
else if (argCount1 == 1)
{
String s = "";
if (argumentList.e.NodeSet)
{
//boolean b = false;
int a = evalFirstArgumentListNodeSet(vn);
if (a == -1)
return "";
else
{
try
{
int t = vn.getTokenType(a);
if (t == VTDNav.TOKEN_STARTING_TAG || t == VTDNav.TOKEN_DOCUMENT)
{
s = vn.toNormalizedXPathString(a);
}
else
s = vn.toNormalizedString(a);
}
catch (Exception e)
{
}
return s;
}
}
else
{
s = argumentList.e.evalString(vn);
return normalize(s);
}
}
throw new System.ArgumentException("normalize-space()'s argument count is invalid");
//return null;
}
