1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /* 6 * Licensed to the Apache Software Foundation (ASF) under one or more 7 * contributor license agreements. See the NOTICE file distributed with 8 * this work for additional information regarding copyright ownership. 9 * The ASF licenses this file to You under the Apache License, Version 2.0 10 * (the "License"); you may not use this file except in compliance with 11 * the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 */ 21 22 package com.sun.org.apache.xalan.internal.xsltc.compiler; 23 24 import java.util.Vector; 25 26 import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen; 27 import com.sun.org.apache.bcel.internal.generic.INVOKEINTERFACE; 28 import com.sun.org.apache.bcel.internal.generic.InstructionList; 29 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator; 30 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator; 31 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.StringType; 32 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type; 33 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError; 34 35 /** 36 * @author Jacek Ambroziak 37 * @author Santiago Pericas-Geertsen 38 * @author Morten Jorgensen 39 */ 40 final class UnparsedEntityUriCall extends FunctionCall { 41 private Expression _entity; 42 43 public UnparsedEntityUriCall(QName fname, Vector arguments) { 44 super(fname, arguments); 45 _entity = argument(); 46 } 47 48 public Type typeCheck(SymbolTable stable) throws TypeCheckError { 49 final Type entity = _entity.typeCheck(stable); 50 if (entity instanceof StringType == false) { 51 _entity = new CastExpr(_entity, Type.String); 52 } 53 return _type = Type.String; 54 } 55 56 public void translate(ClassGenerator classGen, MethodGenerator methodGen) { 57 final ConstantPoolGen cpg = classGen.getConstantPool(); 58 final InstructionList il = methodGen.getInstructionList(); 59 // Feck the this pointer on the stack... 60 il.append(methodGen.loadDOM()); 61 // ...then the entity name... 62 _entity.translate(classGen, methodGen); 63 // ...to get the URI from the DOM object. 64 il.append(new INVOKEINTERFACE( 65 cpg.addInterfaceMethodref(DOM_INTF, 66 GET_UNPARSED_ENTITY_URI, 67 GET_UNPARSED_ENTITY_URI_SIG), 68 2)); 69 } 70 }