Examples with XPathContext org.apache.xpath.XPathContext used on opensource projects

Example 56 with XPathContext

use of org.apache.xpath.XPathContext in project robovm by robovm.

the class KeyTable method getRefsTable.

/**
   * @return lazy initialized refs table associating evaluation of key function
   *         with a XNodeSet
   */
private Hashtable getRefsTable() {
    if (m_refsTable == null) {
        // initial capacity set to a prime number to improve hash performance
        m_refsTable = new Hashtable(89);
        KeyIterator ki = (KeyIterator) (m_keyNodes).getContainedIter();
        XPathContext xctxt = ki.getXPathContext();
        Vector keyDecls = getKeyDeclarations();
        int nKeyDecls = keyDecls.size();
        int currentNode;
        m_keyNodes.reset();
        while (DTM.NULL != (currentNode = m_keyNodes.nextNode())) {
            try {
                for (int keyDeclIdx = 0; keyDeclIdx < nKeyDecls; keyDeclIdx++) {
                    KeyDeclaration keyDeclaration = (KeyDeclaration) keyDecls.elementAt(keyDeclIdx);
                    XObject xuse = keyDeclaration.getUse().execute(xctxt, currentNode, ki.getPrefixResolver());
                    if (xuse.getType() != xuse.CLASS_NODESET) {
                        XMLString exprResult = xuse.xstr();
                        addValueInRefsTable(xctxt, exprResult, currentNode);
                    } else {
                        DTMIterator i = ((XNodeSet) xuse).iterRaw();
                        int currentNodeInUseClause;
                        while (DTM.NULL != (currentNodeInUseClause = i.nextNode())) {
                            DTM dtm = xctxt.getDTM(currentNodeInUseClause);
                            XMLString exprResult = dtm.getStringValue(currentNodeInUseClause);
                            addValueInRefsTable(xctxt, exprResult, currentNode);
                        }
                    }
                }
            } catch (TransformerException te) {
                throw new WrappedRuntimeException(te);
            }
        }
    }
    return m_refsTable;
}

Example 57 with XPathContext

use of org.apache.xpath.XPathContext in project robovm by robovm.

the class ElemNumber method getCountString.

/**
   * Given an XML source node, get the count according to the
   * parameters set up by the xsl:number attributes.
   * @param transformer non-null reference to the the current transform-time state.
   * @param sourceNode The source node being counted.
   *
   * @return The count of nodes
   *
   * @throws TransformerException
   */
String getCountString(TransformerImpl transformer, int sourceNode) throws TransformerException {
    long[] list = null;
    XPathContext xctxt = transformer.getXPathContext();
    CountersTable ctable = transformer.getCountersTable();
    if (null != m_valueExpr) {
        XObject countObj = m_valueExpr.execute(xctxt, sourceNode, this);
        //According to Errata E24
        double d_count = java.lang.Math.floor(countObj.num() + 0.5);
        if (Double.isNaN(d_count))
            return "NaN";
        else if (d_count < 0 && Double.isInfinite(d_count))
            return "-Infinity";
        else if (Double.isInfinite(d_count))
            return "Infinity";
        else if (d_count == 0)
            return "0";
        else {
            long count = (long) d_count;
            list = new long[1];
            list[0] = count;
        }
    } else {
        if (Constants.NUMBERLEVEL_ANY == m_level) {
            list = new long[1];
            list[0] = ctable.countNode(xctxt, this, sourceNode);
        } else {
            NodeVector ancestors = getMatchingAncestors(xctxt, sourceNode, Constants.NUMBERLEVEL_SINGLE == m_level);
            int lastIndex = ancestors.size() - 1;
            if (lastIndex >= 0) {
                list = new long[lastIndex + 1];
                for (int i = lastIndex; i >= 0; i--) {
                    int target = ancestors.elementAt(i);
                    list[lastIndex - i] = ctable.countNode(xctxt, this, target);
                }
            }
        }
    }
    return (null != list) ? formatNumberList(transformer, list, sourceNode) : "";
}

Example 58 with XPathContext

use of org.apache.xpath.XPathContext in project robovm by robovm.

the class ElemPI method execute.

/**
   * Create a processing instruction in the result tree.
   * The content of the xsl:processing-instruction element is a
   * template for the string-value of the processing instruction node.
   * @see <a href="http://www.w3.org/TR/xslt#section-Creating-Processing-Instructions">section-Creating-Processing-Instructions 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 {
    XPathContext xctxt = transformer.getXPathContext();
    int sourceNode = xctxt.getCurrentNode();
    String piName = m_name_atv == null ? null : m_name_atv.evaluate(xctxt, sourceNode, this);
    // Ignore processing instruction if name is null
    if (piName == null)
        return;
    if (piName.equalsIgnoreCase("xml")) {
        transformer.getMsgMgr().warn(this, XSLTErrorResources.WG_PROCESSINGINSTRUCTION_NAME_CANT_BE_XML, new Object[] { Constants.ATTRNAME_NAME, piName });
        return;
    } else // Ignore processing instruction, if invalid
    if ((!m_name_atv.isSimple()) && (!XML11Char.isXML11ValidNCName(piName))) {
        transformer.getMsgMgr().warn(this, XSLTErrorResources.WG_PROCESSINGINSTRUCTION_NOTVALID_NCNAME, new Object[] { Constants.ATTRNAME_NAME, piName });
        return;
    }
    // Note the content model is:
    // <!ENTITY % instructions "
    // %char-instructions;
    // | xsl:processing-instruction
    // | xsl:comment
    // | xsl:element
    // | xsl:attribute
    // ">
    String data = transformer.transformToString(this);
    try {
        transformer.getResultTreeHandler().processingInstruction(piName, data);
    } catch (org.xml.sax.SAXException se) {
        throw new TransformerException(se);
    }
}

Example 59 with XPathContext

use of org.apache.xpath.XPathContext in project robovm by robovm.

the class ElemTemplate method execute.

/**
   * Copy the template contents into the result tree.
   * The content of the xsl:template element is the template
   * that is instantiated when the template rule is applied.
   *
   * @param transformer non-null reference to the the current transform-time state.
   *
   * @throws TransformerException
   */
public void execute(TransformerImpl transformer) throws TransformerException {
    XPathContext xctxt = transformer.getXPathContext();
    xctxt.pushRTFContext();
    // %REVIEW% commenting out of the code below.
    //    if (null != sourceNode)
    //    {
    transformer.executeChildTemplates(this, true);
    //    }
    //    else  // if(null == sourceNode)
    //    {
    //      transformer.getMsgMgr().error(this,
    //        this, sourceNode,
    //        XSLTErrorResources.ER_NULL_SOURCENODE_HANDLEAPPLYTEMPLATES);
    //
    //      //"sourceNode is null in handleApplyTemplatesInstruction!");
    //    }
    xctxt.popRTFContext();
}

Example 60 with XPathContext

use of org.apache.xpath.XPathContext in project robovm by robovm.

the class ElemValueOf method execute.

/**
   * Execute the string expression and copy the text to the
   * result tree.
   * The required select attribute is an expression; this expression
   * is evaluated and the resulting object is converted to a string
   * as if by a call to the string function. The string specifies
   * the string-value of the created text node. If the string is
   * empty, no text node will be created. The created text node will
   * be merged with any adjacent text nodes.
   * @see <a href="http://www.w3.org/TR/xslt#value-of">value-of 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 {
    XPathContext xctxt = transformer.getXPathContext();
    SerializationHandler rth = transformer.getResultTreeHandler();
    try {
        // Optimize for "."
        xctxt.pushNamespaceContext(this);
        int current = xctxt.getCurrentNode();
        xctxt.pushCurrentNodeAndExpression(current, current);
        if (m_disableOutputEscaping)
            rth.processingInstruction(javax.xml.transform.Result.PI_DISABLE_OUTPUT_ESCAPING, "");
        try {
            Expression expr = m_selectExpression.getExpression();
            expr.executeCharsToContentHandler(xctxt, rth);
        } finally {
            if (m_disableOutputEscaping)
                rth.processingInstruction(javax.xml.transform.Result.PI_ENABLE_OUTPUT_ESCAPING, "");
            xctxt.popNamespaceContext();
            xctxt.popCurrentNodeAndExpression();
        }
    } catch (SAXException se) {
        throw new TransformerException(se);
    } catch (RuntimeException re) {
        TransformerException te = new TransformerException(re);
        te.setLocator(this);
        throw te;
    }
}