private double sum(VTDNav vn)
{
double d = 0;
/*if (argCount() != 1 || argumentList.e.NodeSet == false)
throw new System.ArgumentException("sum()'s argument count is invalid");*/
vn.push2();
try
{
a = 0;
int i1;
while ((a = argumentList.e.evalNodeSet(vn)) != -1)
{
int t = vn.getTokenType(a);
if (t == VTDNav.TOKEN_STARTING_TAG)
{
i1 = vn.getText();
if (i1 != -1)
d = d + vn.parseDouble(i1);
if (System.Double.IsNaN(d))
break;
}
else if (t == VTDNav.TOKEN_ATTR_NAME || t == VTDNav.TOKEN_ATTR_NS)
{
d = d + vn.parseDouble(a + 1);
if (System.Double.IsNaN(d))
break;
}
else if (t == VTDNav.TOKEN_CHARACTER_DATA
|| t == VTDNav.TOKEN_CDATA_VAL
|| t == VTDNav.TOKEN_COMMENT)
{
d = d + vn.parseDouble(a);
if (System.Double.IsNaN(d))
break;
}
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 = Double.NaN;
break;
}
}
// fib1.append(i);
}
argumentList.e.reset(vn);
vn.pop2();
return d;
}
catch (System.Exception e)
{
argumentList.e.reset(vn);
vn.pop2();
return System.Double.NaN;
}
}
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;
}
/// <summary>
///
/// </summary>
/// <param name="vn"></param>
/// <returns></returns>
public override double evalNumber(VTDNav vn)
{
double d = Double.NaN;
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);
if (t == VTDNav.TOKEN_ATTR_NAME)
{
d = vn.parseDouble(a + 1);
}
else if (t == VTDNav.TOKEN_STARTING_TAG || t == VTDNav.TOKEN_DOCUMENT)
{
d = vn.XPathStringVal2Double(a);//Double.parseDouble(s);
}
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);
d = vn.parseDouble(a + 1);
else
d = Double.NaN;
}
else
d = vn.parseDouble(a);
}
}
catch (Exception e)
{
}
vn.contextStack2.size = size;
reset(vn);
vn.pop2();
//return s;
return d;
}
private bool compareVNumber2(int k, VTDNav vn, double d, int op)
{
double d1;
int t = vn.getTokenType(k);
if (t == VTDNav.TOKEN_STARTING_TAG || t == VTDNav.TOKEN_DOCUMENT)
{
d1 = vn.XPathStringVal2Double(k);
}
else
{
k = getStringVal(vn, k);
d1 = vn.parseDouble(k);
}
switch (op)
{
case EQ:
return d1 == d;
case NE:
return d1 != d;
case GE:
return d1 >= d;
case LE:
return d1 <= d;
case GT:
return d1 > d;
default:
return d1 < d;
}
}
public override double evalNumber(VTDNav vn)
{
//double d;
int a = - 1;
vn.push2();
int size = vn.contextStack2.size;
try
{
a = evalNodeSet(vn);
if (a != - 1)
{
if (vn.getTokenType(a) == VTDNav.TOKEN_ATTR_NAME)
{
a++;
}
else if (vn.getTokenType(a) == VTDNav.TOKEN_STARTING_TAG)
{
a = vn.getText();
}
}
}
catch (System.Exception e)
{
}
vn.contextStack2.size = size;
reset(vn);
vn.pop2();
try
{
if (a != - 1)
return vn.parseDouble(a);
}
catch (NavException e)
{
}
return System.Double.NaN;
}
private bool compareVNumber2(int k, VTDNav vn, double d, int op)
{
double d1 = vn.parseDouble(k);
switch (op)
{
case EQ:
return d1 == d;
case NE:
return d1 != d;
case GE:
return d1 >= d;
case LE:
return d1 <= d;
case GT:
return d1 > d;
default:
return d1 < d;
}
}
private bool compareVNumber1(int k, VTDNav vn, double d, int op)
{
double d1 = vn.parseDouble(k);
switch (op)
{
case EQ:
return d == d1;
case NE:
return d != d1;
case GE:
return d >= d1;
case LE:
return d <= d1;
case GT:
return d > d1;
default:
return d < d1;
}
}
