- /*
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 1999 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xalan" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation and was
- * originally based on software copyright (c) 1999, Lotus
- * Development Corporation., http://www.lotus.com. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- package org.apache.xalan.processor;
-
- import org.apache.xalan.templates.KeyDeclaration;
-
- import javax.xml.transform.TransformerException;
- import org.xml.sax.Attributes;
-
- import org.apache.xalan.res.XSLMessages;
- import org.apache.xalan.res.XSLTErrorResources;
-
- import java.util.Vector;
-
- /**
- * TransformerFactory for xsl:key markup.
- * <pre>
- * <!ELEMENT xsl:key EMPTY>
- * <!ATTLIST xsl:key
- * name %qname; #REQUIRED
- * match %pattern; #REQUIRED
- * use %expr; #REQUIRED
- * >
- * </pre>
- * @see <a href="http://www.w3.org/TR/xslt#dtd">XSLT DTD</a>
- * @see <a href="http://www.w3.org/TR/xslt#key">key in XSLT Specification</a>
- */
- class ProcessorKey extends XSLTElementProcessor
- {
-
- /**
- * Receive notification of the start of an xsl:key element.
- *
- * @param handler The calling StylesheetHandler/TemplatesBuilder.
- * @param uri The Namespace URI, or the empty string if the
- * element has no Namespace URI or if Namespace
- * processing is not being performed.
- * @param localName The local name (without prefix), or the
- * empty string if Namespace processing is not being
- * performed.
- * @param rawName The raw XML 1.0 name (with prefix), or the
- * empty string if raw names are not available.
- * @param attributes The attributes attached to the element. If
- * there are no attributes, it shall be an empty
- * Attributes object.
- */
- public void startElement(
- StylesheetHandler handler, String uri, String localName, String rawName, Attributes attributes)
- throws org.xml.sax.SAXException
- {
-
- KeyDeclaration kd = new KeyDeclaration(handler.getStylesheet(), handler.nextUid());
-
- kd.setDOMBackPointer(handler.getOriginatingNode());
- kd.setLocaterInfo(handler.getLocator());
- setPropertiesFromAttributes(handler, rawName, attributes, kd);
- handler.getStylesheet().setKey(kd);
- }
-
- /**
- * Set the properties of an object from the given attribute list.
- * @param handler The stylesheet's Content handler, needed for
- * error reporting.
- * @param rawName The raw name of the owner element, needed for
- * error reporting.
- * @param attributes The list of attributes.
- * @param target The target element where the properties will be set.
- */
- void setPropertiesFromAttributes(
- StylesheetHandler handler, String rawName, Attributes attributes,
- org.apache.xalan.templates.ElemTemplateElement target)
- throws org.xml.sax.SAXException
- {
-
- XSLTElementDef def = getElemDef();
-
- // Keep track of which XSLTAttributeDefs have been processed, so
- // I can see which default values need to be set.
- Vector processedDefs = new Vector();
- int nAttrs = attributes.getLength();
-
- for (int i = 0; i < nAttrs; i++)
- {
- String attrUri = attributes.getURI(i);
- String attrLocalName = attributes.getLocalName(i);
- XSLTAttributeDef attrDef = def.getAttributeDef(attrUri, attrLocalName);
-
- if (null == attrDef)
- {
-
- // Then barf, because this element does not allow this attribute.
- handler.error(attributes.getQName(i)
- + "attribute is not allowed on the " + rawName
- + " element!", null);
- }
- else
- {
- String valueString = attributes.getValue(i);
-
- if (valueString.indexOf(org.apache.xpath.compiler.Keywords.FUNC_KEY_STRING
- + "(") >= 0)
- handler.error(
- XSLMessages.createMessage(
- XSLTErrorResources.ER_INVALID_KEY_CALL, null), null);
-
- processedDefs.addElement(attrDef);
- attrDef.setAttrValue(handler, attrUri, attrLocalName,
- attributes.getQName(i), attributes.getValue(i),
- target);
- }
- }
-
- XSLTAttributeDef[] attrDefs = def.getAttributes();
- int nAttrDefs = attrDefs.length;
-
- for (int i = 0; i < nAttrDefs; i++)
- {
- XSLTAttributeDef attrDef = attrDefs[i];
- String defVal = attrDef.getDefault();
-
- if (null != defVal)
- {
- if (!processedDefs.contains(attrDef))
- {
- attrDef.setDefAttrValue(handler, target);
- }
- }
-
- if (attrDef.getRequired())
- {
- if (!processedDefs.contains(attrDef))
- handler.error(
- XSLMessages.createMessage(
- XSLTErrorResources.ER_REQUIRES_ATTRIB, new Object[]{ rawName,
- attrDef.getName() }), null);
- }
- }
- }
- }