1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /* 6 * Copyright 2001-2004 The Apache Software Foundation. 7 * 8 * Licensed under the Apache License, Version 2.0 (the "License"); 9 * you may not use this file except in compliance with the License. 10 * You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 /* 21 * $Id: UnparsedEntityUriCall.java,v 1.2.4.1 2005/09/05 09:22:36 pvedula Exp $ 22 */ 23 24 package com.sun.org.apache.xalan.internal.xsltc.compiler; 25 26 import java.util.Vector; 27 28 import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen; 29 import com.sun.org.apache.bcel.internal.generic.INVOKEINTERFACE; 30 import com.sun.org.apache.bcel.internal.generic.InstructionList; 31 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator; 32 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator; 33 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.StringType; 34 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type; 35 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError; 36 37 /** 38 * @author Jacek Ambroziak 39 * @author Santiago Pericas-Geertsen 40 * @author Morten Jorgensen 41 */ 42 final class UnparsedEntityUriCall extends FunctionCall { 43 private Expression _entity; 44 UnparsedEntityUriCall(QName fname, Vector arguments)45 public UnparsedEntityUriCall(QName fname, Vector arguments) { 46 super(fname, arguments); 47 _entity = argument(); 48 } 49 typeCheck(SymbolTable stable)50 public Type typeCheck(SymbolTable stable) throws TypeCheckError { 51 final Type entity = _entity.typeCheck(stable); 52 if (entity instanceof StringType == false) { 53 _entity = new CastExpr(_entity, Type.String); 54 } 55 return _type = Type.String; 56 } 57 translate(ClassGenerator classGen, MethodGenerator methodGen)58 public void translate(ClassGenerator classGen, MethodGenerator methodGen) { 59 final ConstantPoolGen cpg = classGen.getConstantPool(); 60 final InstructionList il = methodGen.getInstructionList(); 61 // Feck the this pointer on the stack... 62 il.append(methodGen.loadDOM()); 63 // ...then the entity name... 64 _entity.translate(classGen, methodGen); 65 // ...to get the URI from the DOM object. 66 il.append(new INVOKEINTERFACE( 67 cpg.addInterfaceMethodref(DOM_INTF, 68 GET_UNPARSED_ENTITY_URI, 69 GET_UNPARSED_ENTITY_URI_SIG), 70 2)); 71 } 72 } 73