Examples with XObject org.apache.xpath.objects.XObject used on opensource projects

Example 61 with XObject

use of org.apache.xpath.objects.XObject in project j2objc by google.

the class UnionPattern method execute.

/**
   * Test a node to see if it matches any of the patterns in the union.
   *
   * @param xctxt XPath runtime context.
   *
   * @return {@link org.apache.xpath.patterns.NodeTest#SCORE_NODETEST},
   *         {@link org.apache.xpath.patterns.NodeTest#SCORE_NONE},
   *         {@link org.apache.xpath.patterns.NodeTest#SCORE_NSWILD},
   *         {@link org.apache.xpath.patterns.NodeTest#SCORE_QNAME}, or
   *         {@link org.apache.xpath.patterns.NodeTest#SCORE_OTHER}.
   *
   * @throws javax.xml.transform.TransformerException
   */
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException {
    XObject bestScore = null;
    int n = m_patterns.length;
    for (int i = 0; i < n; i++) {
        XObject score = m_patterns[i].execute(xctxt);
        if (score != NodeTest.SCORE_NONE) {
            if (null == bestScore)
                bestScore = score;
            else if (score.num() > bestScore.num())
                bestScore = score;
        }
    }
    if (null == bestScore) {
        bestScore = NodeTest.SCORE_NONE;
    }
    return bestScore;
}

Example 62 with XObject

use of org.apache.xpath.objects.XObject in project j2objc by google.

the class VariableStack method getLocalVariable.

/**
   * Get a local variable or parameter in the current stack frame.
   *
   *
   * @param xctxt The XPath context, which must be passed in order to
   * lazy evaluate variables.
   *
   * @param index Local variable index relative to the current stack
   * frame bottom.
   *
   * @return The value of the variable.
   *
   * @throws TransformerException
   */
public XObject getLocalVariable(XPathContext xctxt, int index, boolean destructiveOK) throws TransformerException {
    index += _currentFrameBottom;
    XObject val = _stackFrames[index];
    if (null == val)
        throw new TransformerException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_VARIABLE_ACCESSED_BEFORE_BIND, null), xctxt.getSAXLocator());
    // Lazy execution of variables.
    if (val.getType() == XObject.CLASS_UNRESOLVEDVARIABLE)
        return (_stackFrames[index] = val.execute(xctxt));
    return destructiveOK ? val : val.getFresh();
}

Example 63 with XObject

use of org.apache.xpath.objects.XObject in project j2objc by google.

the class VariableStack method getLocalVariable.

/**
   * Get a local variable or parameter in the current stack frame.
   *
   *
   * @param xctxt The XPath context, which must be passed in order to
   * lazy evaluate variables.
   *
   * @param index Local variable index relative to the current stack
   * frame bottom.
   *
   * @return The value of the variable.
   *
   * @throws TransformerException
   */
public XObject getLocalVariable(XPathContext xctxt, int index) throws TransformerException {
    index += _currentFrameBottom;
    XObject val = _stackFrames[index];
    if (null == val)
        throw new TransformerException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_VARIABLE_ACCESSED_BEFORE_BIND, null), xctxt.getSAXLocator());
    // Lazy execution of variables.
    if (val.getType() == XObject.CLASS_UNRESOLVEDVARIABLE)
        return (_stackFrames[index] = val.execute(xctxt));
    return val;
}

Example 64 with XObject

use of org.apache.xpath.objects.XObject in project j2objc by google.

the class XPath method getMatchScore.

/**
   * Get the match score of the given node.
   *
   * @param xctxt XPath runtime context.
   * @param context The current source tree context node.
   * 
   * @return score, one of {@link #MATCH_SCORE_NODETEST},
   * {@link #MATCH_SCORE_NONE}, {@link #MATCH_SCORE_OTHER}, 
   * or {@link #MATCH_SCORE_QNAME}.
   *
   * @throws javax.xml.transform.TransformerException
   */
public double getMatchScore(XPathContext xctxt, int context) throws javax.xml.transform.TransformerException {
    xctxt.pushCurrentNode(context);
    xctxt.pushCurrentExpressionNode(context);
    try {
        XObject score = m_mainExp.execute(xctxt);
        if (DEBUG_MATCHES) {
            DTM dtm = xctxt.getDTM(context);
            System.out.println("score: " + score.num() + " for " + dtm.getNodeName(context) + " for xpath " + this.getPatternString());
        }
        return score.num();
    } finally {
        xctxt.popCurrentNode();
        xctxt.popCurrentExpressionNode();
    }
// return XPath.MATCH_SCORE_NONE;
}

Example 65 with XObject

use of org.apache.xpath.objects.XObject in project j2objc by google.

the class ElemVariable method execute.

/**
   * Execute a variable declaration and push it onto the variable stack.
   * @see <a href="http://www.w3.org/TR/xslt#variables">variables in XSLT Specification</a>
   *
   * @param transformer non-null reference to the the current transform-time state.
   *
   * @throws TransformerException
   */
public void execute(TransformerImpl transformer) throws TransformerException {
    int sourceNode = transformer.getXPathContext().getCurrentNode();
    XObject var = getValue(transformer, sourceNode);
    // transformer.getXPathContext().getVarStack().pushVariable(m_qname, var);
    transformer.getXPathContext().getVarStack().setLocalVariable(m_index, var);
}