/// <summary> Select the element name before iterating.
/// "*" matches every element
/// Creation date: (12/4/03 5:51:31 PM)
/// </summary>
/// <param name="en">java.lang.String
/// </param>
public void selectElement(System.String en)
{
if (en == null)
{
throw new System.ArgumentException("element name can't be null");
}
iter_type = SIMPLE;
depth = vn.getCurrentDepth();
//startIndex = vn.getCurrentIndex();
name = en;
ft = true;
}
/// <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);
}
static void Main(string[] args)
{
try
{
//File f = new File("bioinfo.xml");
// counting child elements of parlist
int count = 0;
// counting child elements of parlist named "par"
int par_count = 0;
VTDGen vg = new VTDGen();
if (vg.parseFile("./bioinfo.xml", true))
{
VTDNav vn = vg.getNav();
AutoPilot ap = new AutoPilot();
ap.bind(vn);
ap.selectXPath("/bix/package/command/parlist");
while (ap.evalXPath() != -1)
{
count++;
}
ap.selectXPath("/bix/package/command/parlist/par");
while (ap.evalXPath() != -1)
{
par_count++;
}
// print out the results
Console.WriteLine(" count ====> " + count);
Console.WriteLine(" par_count ==> " + par_count);
// verify results using iterators
int v = 0;
vn.toElement(VTDNav.ROOT);
ap = new AutoPilot(vn);
ap.selectElement("par");
while (ap.iterate())
{
if (vn.getCurrentDepth() == 4)
{
v++;
}
}
Console.WriteLine(" verify ==> " + v);
}
}
catch (NavException e)
{
Console.WriteLine(" Exception during navigation " + e);
}
catch (XPathParseException e)
{
}
catch (XPathEvalException e)
{
}
}
static void Main(string[] args)
{
try
{
// counting child elements of parlist
int count = 0;
// counting child elements of parlist named "par"
int par_count = 0;
VTDGen vg = new VTDGen();
if (vg.parseFile("./bioinfo.xml", true))
{
VTDNav vn = vg.getNav();
if (vn.matchElement("bix"))
{ // match blix
// to first child named "package"
if (vn.toElement(VTDNav.FC, "package"))
{
do
{
Console.WriteLine("package");
// to first child named "command"
if (vn.toElement(VTDNav.FC, "command"))
{
do
{
Console.WriteLine("command");
if (vn.toElement(VTDNav.FC, "parlist"))
{
do
{
Console.WriteLine("parlist");
count++; //increment count
if (vn.toElement(VTDNav.FC))
{
do
{
if (vn.matchElement("par"))
{
par_count++;
}
}while (vn.toElement(VTDNav.NS));
vn.toElement(VTDNav.P);
}
}while (vn.toElement(VTDNav.NS, "parlist"));
vn.toElement(VTDNav.P);
}
}
// to next silbing named "command"
while (vn.toElement(VTDNav.NS, "command"));
vn.toElement(VTDNav.P); // go up one level
}
else
{
Console.WriteLine(" no child element named 'command' ");
}
// verify result
}while (vn.toElement(VTDNav.NS, "package")); // to next sibling named "package"
vn.toElement(VTDNav.P); // go up one level
}
else
{
Console.WriteLine(" no child element named 'package' ");
}
}
else
{
Console.WriteLine(" Root is not 'bix' ");
}
// print out the results
Console.WriteLine(" count ====> " + count);
Console.WriteLine(" par_count ==> " + par_count);
// verify results using iterators
int v = 0;
vn.toElement(VTDNav.ROOT);
AutoPilot ap = new AutoPilot(vn);
ap.selectElement("par");
while (ap.iterate())
{
if (vn.getCurrentDepth() == 4)
{
v++;
}
}
Console.WriteLine(" verify ==> " + v);
}
}
catch (NavException e)
{
Console.WriteLine(" Exception during navigation " + e);
}
}
