1 /* 2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 3 */ 4 /* 5 * Licensed to the Apache Software Foundation (ASF) under one or more 6 * contributor license agreements. See the NOTICE file distributed with 7 * this work for additional information regarding copyright ownership. 8 * The ASF licenses this file to You under the Apache License, Version 2.0 9 * (the "License"); you may not use this file except in compliance with 10 * the License. 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 package com.sun.org.apache.xalan.internal.xsltc.compiler; 22 23 import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen; 24 import com.sun.org.apache.bcel.internal.generic.INVOKEINTERFACE; 25 import com.sun.org.apache.bcel.internal.generic.InstructionList; 26 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator; 27 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator; 28 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.StringType; 29 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type; 30 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError; 31 import java.util.List; 32 33 /** 34 * @author Jacek Ambroziak 35 * @author Santiago Pericas-Geertsen 36 * @author Morten Jorgensen 37 * @LastModified: Oct 2017 38 */ 39 final class UnparsedEntityUriCall extends FunctionCall { 40 private Expression _entity; 41 42 public UnparsedEntityUriCall(QName fname, List<Expression> arguments) { 43 super(fname, arguments); 44 _entity = argument(); 45 } 46 47 public Type typeCheck(SymbolTable stable) throws TypeCheckError { 48 final Type entity = _entity.typeCheck(stable); 49 if (entity instanceof StringType == false) { 50 _entity = new CastExpr(_entity, Type.String); 51 } 52 return _type = Type.String; 53 } 54 55 public void translate(ClassGenerator classGen, MethodGenerator methodGen) { 56 final ConstantPoolGen cpg = classGen.getConstantPool(); 57 final InstructionList il = methodGen.getInstructionList(); 58 // Feck the this pointer on the stack... 59 il.append(methodGen.loadDOM()); 60 // ...then the entity name... 61 _entity.translate(classGen, methodGen); 62 // ...to get the URI from the DOM object. 63 il.append(new INVOKEINTERFACE( 64 cpg.addInterfaceMethodref(DOM_INTF, 65 GET_UNPARSED_ENTITY_URI, 66 GET_UNPARSED_ENTITY_URI_SIG), 67 2)); 68 } 69 }