Keywords.java revision 749:c494d4d1c5a1 
1/*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3 */
4/**
5 * Licensed to the Apache Software Foundation (ASF) under one
6 * or more contributor license agreements. See the NOTICE file
7 * distributed with this work for additional information
8 * regarding copyright ownership. The ASF licenses this file
9 * to you under the Apache License, Version 2.0 (the
10 * "License"); you may not use this file except in compliance
11 * with 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,
16 * software distributed under the License is distributed on an
17 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
18 * KIND, either express or implied. See the License for the
19 * specific language governing permissions and limitations
20 * under the License.
21 */
22/*
23 * $Id: Keywords.java,v 1.2.4.1 2005/09/14 19:46:01 jeffsuttor Exp $
24 */
25package com.sun.org.apache.xpath.internal.compiler;
26
27import java.util.Hashtable;
28
29/**
30 * Table of strings to operation code lookups.
31 * @xsl.usage internal
32 */
33public class Keywords
34{
35
36  /** Table of keywords to opcode associations. */
37  private static Hashtable m_keywords = new Hashtable();
38
39  /** Table of axes names to opcode associations. */
40  private static Hashtable m_axisnames = new Hashtable();
41
42  /** Table of function name to function ID associations. */
43  private static Hashtable m_nodetests = new Hashtable();
44
45  /** Table of node type strings to opcode associations. */
46  private static Hashtable m_nodetypes = new Hashtable();
47
48  /** ancestor axes string. */
49  private static final String FROM_ANCESTORS_STRING = "ancestor";
50
51  /** ancestor-or-self axes string. */
52  private static final String FROM_ANCESTORS_OR_SELF_STRING =
53    "ancestor-or-self";
54
55  /** attribute axes string. */
56  private static final String FROM_ATTRIBUTES_STRING = "attribute";
57
58  /** child axes string. */
59  private static final String FROM_CHILDREN_STRING = "child";
60
61  /** descendant-or-self axes string. */
62  private static final String FROM_DESCENDANTS_STRING = "descendant";
63
64  /** ancestor axes string. */
65  private static final String FROM_DESCENDANTS_OR_SELF_STRING =
66    "descendant-or-self";
67
68  /** following axes string. */
69  private static final String FROM_FOLLOWING_STRING = "following";
70
71  /** following-sibling axes string. */
72  private static final String FROM_FOLLOWING_SIBLINGS_STRING =
73    "following-sibling";
74
75  /** parent axes string. */
76  private static final String FROM_PARENT_STRING = "parent";
77
78  /** preceding axes string. */
79  private static final String FROM_PRECEDING_STRING = "preceding";
80
81  /** preceding-sibling axes string. */
82  private static final String FROM_PRECEDING_SIBLINGS_STRING =
83    "preceding-sibling";
84
85  /** self axes string. */
86  private static final String FROM_SELF_STRING = "self";
87
88  /** namespace axes string. */
89  private static final String FROM_NAMESPACE_STRING = "namespace";
90
91  /** self axes abreviated string. */
92  private static final String FROM_SELF_ABBREVIATED_STRING = ".";
93
94  /** comment node test string. */
95  private static final String NODETYPE_COMMENT_STRING = "comment";
96
97  /** text node test string. */
98  private static final String NODETYPE_TEXT_STRING = "text";
99
100  /** processing-instruction node test string. */
101  private static final String NODETYPE_PI_STRING = "processing-instruction";
102
103  /** Any node test string. */
104  private static final String NODETYPE_NODE_STRING = "node";
105
106  /** Wildcard element string. */
107  private static final String NODETYPE_ANYELEMENT_STRING = "*";
108
109  /** current function string. */
110  public static final String FUNC_CURRENT_STRING = "current";
111
112  /** last function string. */
113  public static final String FUNC_LAST_STRING = "last";
114
115  /** position function string. */
116  public static final String FUNC_POSITION_STRING = "position";
117
118  /** count function string. */
119  public static final String FUNC_COUNT_STRING = "count";
120
121  /** id function string. */
122  static final String FUNC_ID_STRING = "id";
123
124  /** key function string (XSLT). */
125  public static final String FUNC_KEY_STRING = "key";
126
127  /** local-name function string. */
128  public static final String FUNC_LOCAL_PART_STRING = "local-name";
129
130  /** namespace-uri function string. */
131  public static final String FUNC_NAMESPACE_STRING = "namespace-uri";
132
133  /** name function string. */
134  public static final String FUNC_NAME_STRING = "name";
135
136  /** generate-id function string (XSLT). */
137  public static final String FUNC_GENERATE_ID_STRING = "generate-id";
138
139  /** not function string. */
140  public static final String FUNC_NOT_STRING = "not";
141
142  /** true function string. */
143  public static final String FUNC_TRUE_STRING = "true";
144
145  /** false function string. */
146  public static final String FUNC_FALSE_STRING = "false";
147
148  /** boolean function string. */
149  public static final String FUNC_BOOLEAN_STRING = "boolean";
150
151  /** lang function string. */
152  public static final String FUNC_LANG_STRING = "lang";
153
154  /** number function string. */
155  public static final String FUNC_NUMBER_STRING = "number";
156
157  /** floor function string. */
158  public static final String FUNC_FLOOR_STRING = "floor";
159
160  /** ceiling function string. */
161  public static final String FUNC_CEILING_STRING = "ceiling";
162
163  /** round function string. */
164  public static final String FUNC_ROUND_STRING = "round";
165
166  /** sum function string. */
167  public static final String FUNC_SUM_STRING = "sum";
168
169  /** string function string. */
170  public static final String FUNC_STRING_STRING = "string";
171
172  /** starts-with function string. */
173  public static final String FUNC_STARTS_WITH_STRING = "starts-with";
174
175  /** contains function string. */
176  public static final String FUNC_CONTAINS_STRING = "contains";
177
178  /** substring-before function string. */
179  public static final String FUNC_SUBSTRING_BEFORE_STRING =
180    "substring-before";
181
182  /** substring-after function string. */
183  public static final String FUNC_SUBSTRING_AFTER_STRING = "substring-after";
184
185  /** normalize-space function string. */
186  public static final String FUNC_NORMALIZE_SPACE_STRING = "normalize-space";
187
188  /** translate function string. */
189  public static final String FUNC_TRANSLATE_STRING = "translate";
190
191  /** concat function string. */
192  public static final String FUNC_CONCAT_STRING = "concat";
193
194  /** system-property function string. */
195  public static final String FUNC_SYSTEM_PROPERTY_STRING = "system-property";
196
197  /** function-available function string (XSLT). */
198  public static final String FUNC_EXT_FUNCTION_AVAILABLE_STRING =
199    "function-available";
200
201  /** element-available function string (XSLT). */
202  public static final String FUNC_EXT_ELEM_AVAILABLE_STRING =
203    "element-available";
204
205  /** substring function string. */
206  public static final String FUNC_SUBSTRING_STRING = "substring";
207
208  /** string-length function string. */
209  public static final String FUNC_STRING_LENGTH_STRING = "string-length";
210
211  /** unparsed-entity-uri function string (XSLT). */
212  public static final String FUNC_UNPARSED_ENTITY_URI_STRING =
213    "unparsed-entity-uri";
214
215  /** here function string (XML Signature). */
216  public static final String FUNC_HERE_STRING = "here";
217
218  // Proprietary, built in functions
219
220  /** current function string (Proprietary). */
221  public static final String FUNC_DOCLOCATION_STRING = "document-location";
222
223  static
224  {
225    m_axisnames.put(FROM_ANCESTORS_STRING,
226                    new Integer(OpCodes.FROM_ANCESTORS));
227    m_axisnames.put(FROM_ANCESTORS_OR_SELF_STRING,
228                    new Integer(OpCodes.FROM_ANCESTORS_OR_SELF));
229    m_axisnames.put(FROM_ATTRIBUTES_STRING,
230                    new Integer(OpCodes.FROM_ATTRIBUTES));
231    m_axisnames.put(FROM_CHILDREN_STRING,
232                    new Integer(OpCodes.FROM_CHILDREN));
233    m_axisnames.put(FROM_DESCENDANTS_STRING,
234                    new Integer(OpCodes.FROM_DESCENDANTS));
235    m_axisnames.put(FROM_DESCENDANTS_OR_SELF_STRING,
236                    new Integer(OpCodes.FROM_DESCENDANTS_OR_SELF));
237    m_axisnames.put(FROM_FOLLOWING_STRING,
238                    new Integer(OpCodes.FROM_FOLLOWING));
239    m_axisnames.put(FROM_FOLLOWING_SIBLINGS_STRING,
240                    new Integer(OpCodes.FROM_FOLLOWING_SIBLINGS));
241    m_axisnames.put(FROM_PARENT_STRING,
242                    new Integer(OpCodes.FROM_PARENT));
243    m_axisnames.put(FROM_PRECEDING_STRING,
244                    new Integer(OpCodes.FROM_PRECEDING));
245    m_axisnames.put(FROM_PRECEDING_SIBLINGS_STRING,
246                    new Integer(OpCodes.FROM_PRECEDING_SIBLINGS));
247    m_axisnames.put(FROM_SELF_STRING,
248                    new Integer(OpCodes.FROM_SELF));
249    m_axisnames.put(FROM_NAMESPACE_STRING,
250                    new Integer(OpCodes.FROM_NAMESPACE));
251    m_nodetypes.put(NODETYPE_COMMENT_STRING,
252                    new Integer(OpCodes.NODETYPE_COMMENT));
253    m_nodetypes.put(NODETYPE_TEXT_STRING,
254                    new Integer(OpCodes.NODETYPE_TEXT));
255    m_nodetypes.put(NODETYPE_PI_STRING,
256                    new Integer(OpCodes.NODETYPE_PI));
257    m_nodetypes.put(NODETYPE_NODE_STRING,
258                    new Integer(OpCodes.NODETYPE_NODE));
259    m_nodetypes.put(NODETYPE_ANYELEMENT_STRING,
260                    new Integer(OpCodes.NODETYPE_ANYELEMENT));
261    m_keywords.put(FROM_SELF_ABBREVIATED_STRING,
262                   new Integer(OpCodes.FROM_SELF));
263    m_keywords.put(FUNC_ID_STRING,
264                   new Integer(FunctionTable.FUNC_ID));
265    m_keywords.put(FUNC_KEY_STRING,
266                   new Integer(FunctionTable.FUNC_KEY));
267
268    m_nodetests.put(NODETYPE_COMMENT_STRING,
269                    new Integer(OpCodes.NODETYPE_COMMENT));
270    m_nodetests.put(NODETYPE_TEXT_STRING,
271                    new Integer(OpCodes.NODETYPE_TEXT));
272    m_nodetests.put(NODETYPE_PI_STRING,
273                    new Integer(OpCodes.NODETYPE_PI));
274    m_nodetests.put(NODETYPE_NODE_STRING,
275                    new Integer(OpCodes.NODETYPE_NODE));
276  }
277
278  static Object getAxisName(String key){
279          return m_axisnames.get(key);
280  }
281
282  static Object lookupNodeTest(String key){
283          return m_nodetests.get(key);
284  }
285
286  static Object getKeyWord(String key){
287          return m_keywords.get(key);
288  }
289
290  static Object getNodeType(String key){
291          return m_nodetypes.get(key);
292  }
293}
294