1 /*
2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
3 * @LastModified: Oct 2017
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
36
37 /**
38 * @author G. Todd Miller
39 * @author Santiago Pericas-Geertsen
40 */
41 final class FunctionAvailableCall extends FunctionCall {
42
43 private Expression _arg;
44 private String _nameOfFunct = null;
45 private String _namespaceOfFunct = null;
46 private boolean _isFunctionAvailable = false;
47
48 /**
49 * Constructs a FunctionAvailableCall FunctionCall. Takes the
50 * function name qname, for example, 'function-available', and
51 * a list of arguments where the arguments must be instances of
52 * LiteralExpression.
53 */
54 public FunctionAvailableCall(QName fname, List<Expression> arguments) {
55 super(fname, arguments);
56 _arg = (Expression)arguments.get(0);
57 _type = null;
58
59 if (_arg instanceof LiteralExpr) {
60 LiteralExpr arg = (LiteralExpr) _arg;
61 _namespaceOfFunct = arg.getNamespace();
62 _nameOfFunct = arg.getValue();
63
64 if (!isInternalNamespace()) {
65 _isFunctionAvailable = hasMethods();
66 }
67 }
68 }
69
70 /**
71 * Argument of function-available call must be literal, typecheck
72 * returns the type of function-available to be boolean.
73 */
74 public Type typeCheck(SymbolTable stable) throws TypeCheckError {
75 if (_type != null) {
76 return _type;
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1 /*
2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
3 * @LastModified: Nov 2017
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
36
37 /**
38 * @author G. Todd Miller
39 * @author Santiago Pericas-Geertsen
40 */
41 final class FunctionAvailableCall extends FunctionCall {
42
43 private Expression _arg;
44 private String _nameOfFunct = null;
45 private String _namespaceOfFunct = null;
46 private boolean _isFunctionAvailable = false;
47
48 /**
49 * Constructs a FunctionAvailableCall FunctionCall. Takes the
50 * function name qname, for example, 'function-available', and
51 * a list of arguments where the arguments must be instances of
52 * LiteralExpression.
53 */
54 public FunctionAvailableCall(QName fname, List<Expression> arguments) {
55 super(fname, arguments);
56 _arg = arguments.get(0);
57 _type = null;
58
59 if (_arg instanceof LiteralExpr) {
60 LiteralExpr arg = (LiteralExpr) _arg;
61 _namespaceOfFunct = arg.getNamespace();
62 _nameOfFunct = arg.getValue();
63
64 if (!isInternalNamespace()) {
65 _isFunctionAvailable = hasMethods();
66 }
67 }
68 }
69
70 /**
71 * Argument of function-available call must be literal, typecheck
72 * returns the type of function-available to be boolean.
73 */
74 public Type typeCheck(SymbolTable stable) throws TypeCheckError {
75 if (_type != null) {
76 return _type;
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