com.ximpleware.PathExpr Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of vtd-xml Show documentation
Show all versions of vtd-xml Show documentation
XimpleWare's VTD-XML is, far and away, the industry's most advanced and powerful XML processing model for SOA and Cloud Computing
/*
* Copyright (C) 2002-2015 XimpleWare, [email protected]
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*VTD-XML is protected by US patent 7133857, 7260652, an 7761459*/
/*All licenses to any parties in litigation with XimpleWare have been expressly terminated. No new license, and no renewal of any revoked license,
* is granted to those parties as a result of re-downloading software from this or any other website*/
package com.ximpleware;
/**
* PathExpr implements the Path expression as defined
* in XPath spec
*
*/
public class PathExpr extends Expr {
Expr fe;
LocationPathExpr lpe;
//boolean first_time;
int evalState;
//FastIntBuffer fib;
intHash ih;
//public int getPositon(){
// return fib.size();
//}
public PathExpr(Expr f, LocationPathExpr l){
fe = f;
lpe = l;
//first_time = true;
evalState = 0;
//fib = new FastIntBuffer(8);
ih = new intHash();
}
final public boolean evalBoolean(VTDNav vn) {
boolean a = false;
vn.push2();
// record teh stack size
int size = vn.contextStack2.size;
try{
a = (evalNodeSet(vn) != -1);
}catch (Exception e){
}
//rewind stack
vn.contextStack2.size = size;
reset(vn);
vn.pop2();
return a;
}
final public 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