public override double evalNumber(VTDNav vn)
{
double d = Double.NaN;
int a = -1;
vn.push2();
int size = vn.contextStack2.size;
try
{
a = evalNodeSet(vn);
if (a != -1)
{
int t = vn.getTokenType(a);
if (t == VTDNav.TOKEN_ATTR_NAME)
{
d = vn.parseDouble(a + 1);
}
else if (t == VTDNav.TOKEN_STARTING_TAG || t == VTDNav.TOKEN_DOCUMENT)
{
String s = vn.getXPathStringVal();
d = Double.Parse(s);
}
else if (t == VTDNav.TOKEN_PI_NAME)
{
if (a + 1 < vn.vtdSize || vn.getTokenType(a + 1) == VTDNav.TOKEN_PI_VAL)
d = vn.parseDouble(a + 1);
}
else
d = vn.parseDouble(a);
}
}
catch (Exception e)
{
}
vn.contextStack2.size = size;
reset(vn);
vn.pop2();
//return s;
return d;
}
/*
* (non-Javadoc)
*
* @see com.ximpleware.xpath.Expr#evalString(com.ximpleware.VTDNav)
*/
public override System.String evalString(VTDNav vn)
{
if (e.NodeSet == false)
return e.evalString(vn);
else
{
String s = "";
int a = -1;
vn.push2();
int size = vn.contextStack2.size;
try
{
a = evalNodeSet(vn);
if (a != -1)
{
int t = vn.getTokenType(a);
switch (t)
{
case VTDNav.TOKEN_STARTING_TAG:
case VTDNav.TOKEN_DOCUMENT:
s = vn.getXPathStringVal();
break;
case VTDNav.TOKEN_ATTR_NAME:
s = vn.toString(a + 1);
break;
case VTDNav.TOKEN_PI_NAME:
//if (a + 1 < vn.vtdSize
// || vn.getTokenType(a + 1) == VTDNav.TOKEN_PI_VAL)
s = vn.toString(a + 1);
break;
default:
s = vn.toString(a);
break;
}
/*if (t == VTDNav.TOKEN_ATTR_NAME) {
s = vn.toString(a + 1);
} else if (t == VTDNav.TOKEN_STARTING_TAG
|| t == VTDNav.TOKEN_DOCUMENT) {
s = vn.getXPathStringVal();
} else if (t == VTDNav.TOKEN_PI_NAME) {
if (a + 1 < vn.vtdSize
|| vn.getTokenType(a + 1) == VTDNav.TOKEN_PI_VAL)
s = vn.toString(a + 1);
// s = vn.toString(a+1);
} else
s = vn.toString(a);*/
}
}
catch (Exception ee)
{
}
vn.contextStack2.size = size;
reset(vn);
vn.pop2();
return s;
}
}
private String getString(VTDNav vn)
{
if (argCount1 == 0)
try
{
if (vn.atTerminal)
{
if (vn.getTokenType(vn.LN) == VTDNav.TOKEN_CDATA_VAL)
return vn.toRawString(vn.LN);
return vn.toString(vn.LN);
}
return vn.getXPathStringVal();
}
catch (NavException e)
{
return null; // this will almost never occur
}
else if (argCount1 == 1)
{
return argumentList.e.evalString(vn);
}
else
throw new System.ArgumentException("String()'s argument count is invalid");
}
/// <summary>
///
/// </summary>
/// <param name="vn"></param>
/// <returns></returns>
public override System.String evalString(VTDNav vn)
{
String s = "";
int a = 0x7fffffff, k = -1;
vn.push2();
int size = vn.contextStack2.size;
try
{
while ((k = evalNodeSet(vn)) != -1)
{
//a = evalNodeSet(vn);
if (k < a)
a = k;
}
if (a == 0x7fffffff)
a = -1;
if (a != -1)
{
int t = vn.getTokenType(a);
switch (t)
{
case VTDNav.TOKEN_STARTING_TAG:
case VTDNav.TOKEN_DOCUMENT:
s = vn.getXPathStringVal();
break;
case VTDNav.TOKEN_ATTR_NAME:
s = vn.toString(a + 1);
break;
case VTDNav.TOKEN_PI_NAME:
//if (a + 1 < vn.vtdSize
// || vn.getTokenType(a + 1) == VTDNav.TOKEN_PI_VAL)
s = vn.toString(a + 1);
break;
default:
s = vn.toString(a);
break;
}
}
}
catch (Exception e)
{
}
vn.contextStack2.size = size;
reset(vn);
vn.pop2();
return s;
}