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

Example 21 with XPath

use of org.apache.xpath.XPath in project j2objc by google.

the class StylesheetHandler method createXPath.

/**
   * Process an expression string into an XPath.
   * Must be public for access by the AVT class.
   *
   * @param str A non-null reference to a valid or invalid XPath expression string.
   *
   * @return A non-null reference to an XPath object that represents the string argument.
   *
   * @throws javax.xml.transform.TransformerException if the expression can not be processed.
   * @see <a href="http://www.w3.org/TR/xslt#section-Expressions">Section 4 Expressions in XSLT Specification</a>
   */
public XPath createXPath(String str, ElemTemplateElement owningTemplate) throws javax.xml.transform.TransformerException {
    ErrorListener handler = m_stylesheetProcessor.getErrorListener();
    XPath xpath = new XPath(str, owningTemplate, this, XPath.SELECT, handler, m_funcTable);
    // Visit the expression, registering namespaces for any extension functions it includes.
    xpath.callVisitors(xpath, new ExpressionVisitor(getStylesheetRoot()));
    return xpath;
}

Example 22 with XPath

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

the class XSLTAttributeDef method processSIMPLEPATTERNLIST.

/**
   * Process an attribute string of type T_SIMPLEPATTERNLIST into
   * a vector of XPath match patterns.
   *
   * @param handler non-null reference to current StylesheetHandler that is constructing the Templates.
   * @param uri The Namespace URI, or an empty string.
   * @param name The local name (without prefix), or empty string if not namespace processing.
   * @param rawName The qualified name (with prefix).
   * @param value A whitespace delimited list of simple match patterns.
   *
   * @return A Vector of XPath objects.
   *
   * @throws org.xml.sax.SAXException that wraps a
   * {@link javax.xml.transform.TransformerException} if one of the match pattern
   * strings contains a syntax error.
   */
Vector processSIMPLEPATTERNLIST(StylesheetHandler handler, String uri, String name, String rawName, String value, ElemTemplateElement owner) throws org.xml.sax.SAXException {
    try {
        StringTokenizer tokenizer = new StringTokenizer(value, " \t\n\r\f");
        int nPatterns = tokenizer.countTokens();
        Vector patterns = new Vector(nPatterns);
        for (int i = 0; i < nPatterns; i++) {
            XPath pattern = handler.createMatchPatternXPath(tokenizer.nextToken(), owner);
            patterns.addElement(pattern);
        }
        return patterns;
    } catch (TransformerException te) {
        throw new org.xml.sax.SAXException(te);
    }
}

Example 23 with XPath

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

the class ProcessorLRE method startElement.

/**
   * Receive notification of the start of an element.
   *
   * @param handler non-null reference to current StylesheetHandler that is constructing the Templates.
   * @param uri The Namespace URI, or an empty string.
   * @param localName The local name (without prefix), or empty string if not namespace processing.
   * @param rawName The qualified name (with prefix).
   * @param attributes The specified or defaulted attributes.
   */
public void startElement(StylesheetHandler handler, String uri, String localName, String rawName, Attributes attributes) throws org.xml.sax.SAXException {
    try {
        ElemTemplateElement p = handler.getElemTemplateElement();
        boolean excludeXSLDecl = false;
        boolean isLREAsStyleSheet = false;
        if (null == p) {
            // Literal Result Template as stylesheet.
            XSLTElementProcessor lreProcessor = handler.popProcessor();
            XSLTElementProcessor stylesheetProcessor = handler.getProcessorFor(Constants.S_XSLNAMESPACEURL, "stylesheet", "xsl:stylesheet");
            handler.pushProcessor(lreProcessor);
            Stylesheet stylesheet;
            try {
                stylesheet = getStylesheetRoot(handler);
            } catch (TransformerConfigurationException tfe) {
                throw new TransformerException(tfe);
            }
            // stylesheet.setDOMBackPointer(handler.getOriginatingNode());
            // ***** Note that we're assigning an empty locator. Is this necessary?
            SAXSourceLocator slocator = new SAXSourceLocator();
            Locator locator = handler.getLocator();
            if (null != locator) {
                slocator.setLineNumber(locator.getLineNumber());
                slocator.setColumnNumber(locator.getColumnNumber());
                slocator.setPublicId(locator.getPublicId());
                slocator.setSystemId(locator.getSystemId());
            }
            stylesheet.setLocaterInfo(slocator);
            stylesheet.setPrefixes(handler.getNamespaceSupport());
            handler.pushStylesheet(stylesheet);
            isLREAsStyleSheet = true;
            AttributesImpl stylesheetAttrs = new AttributesImpl();
            AttributesImpl lreAttrs = new AttributesImpl();
            int n = attributes.getLength();
            for (int i = 0; i < n; i++) {
                String attrLocalName = attributes.getLocalName(i);
                String attrUri = attributes.getURI(i);
                String value = attributes.getValue(i);
                if ((null != attrUri) && attrUri.equals(Constants.S_XSLNAMESPACEURL)) {
                    stylesheetAttrs.addAttribute(null, attrLocalName, attrLocalName, attributes.getType(i), attributes.getValue(i));
                } else if ((attrLocalName.startsWith("xmlns:") || attrLocalName.equals("xmlns")) && value.equals(Constants.S_XSLNAMESPACEURL)) {
                // ignore
                } else {
                    lreAttrs.addAttribute(attrUri, attrLocalName, attributes.getQName(i), attributes.getType(i), attributes.getValue(i));
                }
            }
            attributes = lreAttrs;
            // allowed on a stylesheet.
            try {
                stylesheetProcessor.setPropertiesFromAttributes(handler, "stylesheet", stylesheetAttrs, stylesheet);
            } catch (Exception e) {
                if (stylesheet.getDeclaredPrefixes() == null || !declaredXSLNS(stylesheet)) {
                    throw new org.xml.sax.SAXException(XSLMessages.createWarning(XSLTErrorResources.WG_OLD_XSLT_NS, null));
                } else {
                    throw new org.xml.sax.SAXException(e);
                }
            }
            handler.pushElemTemplateElement(stylesheet);
            ElemTemplate template = new ElemTemplate();
            if (slocator != null)
                template.setLocaterInfo(slocator);
            appendAndPush(handler, template);
            XPath rootMatch = new XPath("/", stylesheet, stylesheet, XPath.MATCH, handler.getStylesheetProcessor().getErrorListener());
            template.setMatch(rootMatch);
            // template.setDOMBackPointer(handler.getOriginatingNode());
            stylesheet.setTemplate(template);
            p = handler.getElemTemplateElement();
            excludeXSLDecl = true;
        }
        XSLTElementDef def = getElemDef();
        Class classObject = def.getClassObject();
        boolean isExtension = false;
        boolean isComponentDecl = false;
        boolean isUnknownTopLevel = false;
        while (null != p) {
            // System.out.println("Checking: "+p);
            if (p instanceof ElemLiteralResult) {
                ElemLiteralResult parentElem = (ElemLiteralResult) p;
                isExtension = parentElem.containsExtensionElementURI(uri);
            } else if (p instanceof Stylesheet) {
                Stylesheet parentElem = (Stylesheet) p;
                isExtension = parentElem.containsExtensionElementURI(uri);
                if ((false == isExtension) && (null != uri) && (uri.equals(Constants.S_BUILTIN_EXTENSIONS_URL) || uri.equals(Constants.S_BUILTIN_OLD_EXTENSIONS_URL))) {
                    isComponentDecl = true;
                } else {
                    isUnknownTopLevel = true;
                }
            }
            if (isExtension)
                break;
            p = p.getParentElem();
        }
        ElemTemplateElement elem = null;
        try {
            if (isExtension) {
                // System.out.println("Creating extension(1): "+uri);
                elem = new ElemExtensionCall();
            } else if (isComponentDecl) {
                elem = (ElemTemplateElement) classObject.newInstance();
            } else if (isUnknownTopLevel) {
                // TBD: Investigate, not sure about this.  -sb
                elem = (ElemTemplateElement) classObject.newInstance();
            } else {
                elem = (ElemTemplateElement) classObject.newInstance();
            }
            elem.setDOMBackPointer(handler.getOriginatingNode());
            elem.setLocaterInfo(handler.getLocator());
            elem.setPrefixes(handler.getNamespaceSupport(), excludeXSLDecl);
            if (elem instanceof ElemLiteralResult) {
                ((ElemLiteralResult) elem).setNamespace(uri);
                ((ElemLiteralResult) elem).setLocalName(localName);
                ((ElemLiteralResult) elem).setRawName(rawName);
                ((ElemLiteralResult) elem).setIsLiteralResultAsStylesheet(isLREAsStyleSheet);
            }
        } catch (InstantiationException ie) {
            //"Failed creating ElemLiteralResult instance!", ie);
            handler.error(XSLTErrorResources.ER_FAILED_CREATING_ELEMLITRSLT, null, ie);
        } catch (IllegalAccessException iae) {
            //"Failed creating ElemLiteralResult instance!", iae);
            handler.error(XSLTErrorResources.ER_FAILED_CREATING_ELEMLITRSLT, null, iae);
        }
        setPropertiesFromAttributes(handler, rawName, attributes, elem);
        // bit of a hack here...
        if (!isExtension && (elem instanceof ElemLiteralResult)) {
            isExtension = ((ElemLiteralResult) elem).containsExtensionElementURI(uri);
            if (isExtension) {
                // System.out.println("Creating extension(2): "+uri);
                elem = new ElemExtensionCall();
                elem.setLocaterInfo(handler.getLocator());
                elem.setPrefixes(handler.getNamespaceSupport());
                ((ElemLiteralResult) elem).setNamespace(uri);
                ((ElemLiteralResult) elem).setLocalName(localName);
                ((ElemLiteralResult) elem).setRawName(rawName);
                setPropertiesFromAttributes(handler, rawName, attributes, elem);
            }
        }
        appendAndPush(handler, elem);
    } catch (TransformerException te) {
        throw new org.xml.sax.SAXException(te);
    }
}

Example 24 with XPath

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

the class StylesheetHandler method createMatchPatternXPath.

/**
   * Process an expression string into an XPath.
   *
   * @param str A non-null reference to a valid or invalid match pattern string.
   *
   * @return A non-null reference to an XPath object that represents the string argument.
   *
   * @throws javax.xml.transform.TransformerException if the pattern can not be processed.
   * @see <a href="http://www.w3.org/TR/xslt#patterns">Section 5.2 Patterns in XSLT Specification</a>
   */
XPath createMatchPatternXPath(String str, ElemTemplateElement owningTemplate) throws javax.xml.transform.TransformerException {
    ErrorListener handler = m_stylesheetProcessor.getErrorListener();
    XPath xpath = new XPath(str, owningTemplate, this, XPath.MATCH, handler, m_funcTable);
    // Visit the expression, registering namespaces for any extension functions it includes.
    xpath.callVisitors(xpath, new ExpressionVisitor(getStylesheetRoot()));
    return xpath;
}

Example 25 with XPath

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

the class ElemNumber method getTargetNode.

/**
   * Get the target node that will be counted..
   *
   * @param xctxt The XPath runtime state for this.
   * @param sourceNode non-null reference to the <a href="http://www.w3.org/TR/xslt#dt-current-node">current source node</a>.
   *
   * @return the target node that will be counted
   *
   * @throws TransformerException
   */
public int getTargetNode(XPathContext xctxt, int sourceNode) throws TransformerException {
    int target = DTM.NULL;
    XPath countMatchPattern = getCountMatchPattern(xctxt, sourceNode);
    if (Constants.NUMBERLEVEL_ANY == m_level) {
        target = findPrecedingOrAncestorOrSelf(xctxt, m_fromMatchPattern, countMatchPattern, sourceNode, this);
    } else {
        target = findAncestor(xctxt, m_fromMatchPattern, countMatchPattern, sourceNode, this);
    }
    return target;
}