org.apache.xalan.xsltc.compiler.AttributeSet Maven / Gradle / Ivy
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Serializer to write out XML, HTML etc. as a stream of characters from an input DOM or from input
SAX events.
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* $Id: AttributeSet.java 468650 2006-10-28 07:03:30Z minchau $
*/
package org.apache.xalan.xsltc.compiler;
import java.util.Enumeration;
import java.util.Vector;
import org.apache.bcel.generic.ConstantPoolGen;
import org.apache.bcel.generic.INVOKESPECIAL;
import org.apache.bcel.generic.InstructionList;
import org.apache.xalan.xsltc.compiler.util.AttributeSetMethodGenerator;
import org.apache.xalan.xsltc.compiler.util.ClassGenerator;
import org.apache.xalan.xsltc.compiler.util.ErrorMsg;
import org.apache.xalan.xsltc.compiler.util.MethodGenerator;
import org.apache.xalan.xsltc.compiler.util.Type;
import org.apache.xalan.xsltc.compiler.util.TypeCheckError;
import org.apache.xalan.xsltc.compiler.util.Util;
import org.apache.xml.utils.XML11Char;
/**
* @author Jacek Ambroziak
* @author Santiago Pericas-Geertsen
* @author Morten Jorgensen
*/
final class AttributeSet extends TopLevelElement {
// This prefix is used for the method name of attribute set methods
private static final String AttributeSetPrefix = "$as$";
// Element contents
private QName _name;
private UseAttributeSets _useSets;
private AttributeSet _mergeSet;
private String _method;
private boolean _ignore = false;
/**
* Returns the QName of this attribute set
*/
public QName getName() {
return _name;
}
/**
* Returns the method name of this attribute set. This method name is
* generated by the compiler (XSLTC)
*/
public String getMethodName() {
return _method;
}
/**
* Call this method to prevent a method for being compiled for this set.
* This is used in case several elements constitute
* a single set (with one name). The last element will merge itself with
* any previous set(s) with the same name and disable the other set(s).
*/
public void ignore() {
_ignore = true;
}
/**
* Parse the contents of this attribute set. Recognised attributes are
* "name" (required) and "use-attribute-sets" (optional).
*/
public void parseContents(Parser parser) {
// Get this attribute set's name
final String name = getAttribute("name");
if (!XML11Char.isXML11ValidQName(name)) {
ErrorMsg err = new ErrorMsg(ErrorMsg.INVALID_QNAME_ERR, name, this);
parser.reportError(Constants.ERROR, err);
}
_name = parser.getQNameIgnoreDefaultNs(name);
if ((_name == null) || (_name.equals(EMPTYSTRING))) {
ErrorMsg msg = new ErrorMsg(ErrorMsg.UNNAMED_ATTRIBSET_ERR, this);
parser.reportError(Constants.ERROR, msg);
}
// Get any included attribute sets (similar to inheritance...)
final String useSets = getAttribute("use-attribute-sets");
if (useSets.length() > 0) {
if (!Util.isValidQNames(useSets)) {
ErrorMsg err = new ErrorMsg(ErrorMsg.INVALID_QNAME_ERR, useSets, this);
parser.reportError(Constants.ERROR, err);
}
_useSets = new UseAttributeSets(useSets, parser);
}
// Parse the contents of this node. All child elements must be
// elements. Other elements cause an error.
final Vector contents = getContents();
final int count = contents.size();
for (int i=0; i