| public selectElement ( System en ) : void | ||
| en | System | java.lang.String /// |
| Résultat | void | |
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);
}
}
public int computeContextSize(Predicate p, VTDNav vn){
bool b = false;
Predicate tp = null;
int i = 0;
AutoPilot ap;
switch(currentStep.axis_type){
case AxisType.CHILD:
if (currentStep.nt.testType != NodeTest.TEXT){
b = vn.toElement(VTDNav.FIRST_CHILD);
if (b) {
do {
if (currentStep.eval(vn, p)) {
i++;
}
} while (vn.toElement(VTDNav.NS));
vn.toElement(VTDNav.PARENT);
currentStep.resetP(vn,p);
return i;
} else
return 0;
}else {
TextIter ti = new TextIter();
ti.touch(vn);
while((ti.getNext())!=-1){
if (currentStep.evalPredicates(vn,p)){
i++;
}
}
currentStep.resetP(vn,p);
return i;
}
case AxisType.DESCENDANT_OR_SELF:
case AxisType.DESCENDANT:
case AxisType.PRECEDING:
case AxisType.FOLLOWING:
String helper = null;
if (currentStep.nt.testType == NodeTest.NODE){
helper = "*";
}else {
helper = currentStep.nt.nodeName;
}
ap = new AutoPilot(vn);
if (currentStep.axis_type == AxisType.DESCENDANT_OR_SELF )
if (currentStep.nt.testType == NodeTest.NODE)
ap.Special = true;
else
ap.Special = false;
//currentStep.o = ap = new AutoPilot(vn);
if (currentStep.axis_type == AxisType.DESCENDANT_OR_SELF)
if (currentStep.nt.localName!=null)
ap.selectElementNS(currentStep.nt.URL,currentStep.nt.localName);
else
ap.selectElement(helper);
else if (currentStep.axis_type == AxisType.DESCENDANT)
if (currentStep.nt.localName!=null)
ap.selectElementNS_D(currentStep.nt.URL,currentStep.nt.localName);
else
ap.selectElement_D(helper);
else if (currentStep.axis_type == AxisType.PRECEDING)
if (currentStep.nt.localName!=null)
ap.selectElementNS_P(currentStep.nt.URL,currentStep.nt.localName);
else
ap.selectElement_P(helper);
else
if (currentStep.nt.localName!=null)
ap.selectElementNS_F(currentStep.nt.URL,currentStep.nt.localName);
else
ap.selectElement_F(helper);
vn.push2();
while(ap.iterate()){
if (currentStep.evalPredicates(vn,p)){
i++;
}
}
vn.pop2();
currentStep.resetP(vn,p);
return i;
case AxisType.PARENT:
vn.push2();
i = 0;
if (vn.toElement(VTDNav.PARENT)){
if (currentStep.eval(vn,p)){
i++;
}
}
vn.pop2();
currentStep.resetP(vn,p);
return i;
case AxisType.ANCESTOR:
vn.push2();
i = 0;
while (vn.toElement(VTDNav.PARENT)) {
if (currentStep.eval(vn, p)) {
i++;
}
}
vn.pop2();
currentStep.resetP(vn,p);
return i;
case AxisType.ANCESTOR_OR_SELF:
vn.push2();
i = 0;
do {
if (currentStep.eval(vn, p)) {
i++;
}
}while(vn.toElement(VTDNav.PARENT));
vn.pop2();
currentStep.resetP(vn,p);
return i;
case AxisType.SELF:
i = 0;
if (vn.toElement(VTDNav.PARENT)){
if (currentStep.eval(vn,p)){
i++;
}
}
currentStep.resetP(vn,p);
return i;
case AxisType.FOLLOWING_SIBLING:
vn.push2();
while(vn.toElement(VTDNav.NEXT_SIBLING)){
if (currentStep.eval(vn,p)){
i++;
}
}
vn.pop2();
currentStep.resetP(vn,p);
return i;
case AxisType.PRECEDING_SIBLING:
vn.push2();
while(vn.toElement(VTDNav.PREV_SIBLING)){
if (currentStep.eval(vn,p)){
i++;
}
}
vn.pop2();
currentStep.resetP(vn,p);
return i;
case AxisType.ATTRIBUTE:
ap = new AutoPilot(vn);
if (currentStep.nt.localName!=null)
ap.selectAttrNS(currentStep.nt.URL,
currentStep.nt.localName);
else
ap.selectAttr(currentStep.nt.nodeName);
i = 0;
while(ap.iterateAttr()!=-1){
if (currentStep.evalPredicates(vn,p)){
i++;
}
}
currentStep.resetP(vn,p);
return i;
default:
throw new XPathEvalException("axis not supported");
}
//return 8;
}
