1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 /* 19 * $Id: Keywords.java 468655 2006-10-28 07:12:06Z minchau $ 20 */ 21 package org.apache.xpath.compiler; 22 23 import java.util.Hashtable; 24 25 /** 26 * Table of strings to operation code lookups. 27 * @xsl.usage internal 28 */ 29 public class Keywords 30 { 31 32 /** Table of keywords to opcode associations. */ 33 private static Hashtable m_keywords = new Hashtable(); 34 35 /** Table of axes names to opcode associations. */ 36 private static Hashtable m_axisnames = new Hashtable(); 37 38 /** Table of function name to function ID associations. */ 39 private static Hashtable m_nodetests = new Hashtable(); 40 41 /** Table of node type strings to opcode associations. */ 42 private static Hashtable m_nodetypes = new Hashtable(); 43 44 /** ancestor axes string. */ 45 private static final String FROM_ANCESTORS_STRING = "ancestor"; 46 47 /** ancestor-or-self axes string. */ 48 private static final String FROM_ANCESTORS_OR_SELF_STRING = 49 "ancestor-or-self"; 50 51 /** attribute axes string. */ 52 private static final String FROM_ATTRIBUTES_STRING = "attribute"; 53 54 /** child axes string. */ 55 private static final String FROM_CHILDREN_STRING = "child"; 56 57 /** descendant-or-self axes string. */ 58 private static final String FROM_DESCENDANTS_STRING = "descendant"; 59 60 /** ancestor axes string. */ 61 private static final String FROM_DESCENDANTS_OR_SELF_STRING = 62 "descendant-or-self"; 63 64 /** following axes string. */ 65 private static final String FROM_FOLLOWING_STRING = "following"; 66 67 /** following-sibling axes string. */ 68 private static final String FROM_FOLLOWING_SIBLINGS_STRING = 69 "following-sibling"; 70 71 /** parent axes string. */ 72 private static final String FROM_PARENT_STRING = "parent"; 73 74 /** preceding axes string. */ 75 private static final String FROM_PRECEDING_STRING = "preceding"; 76 77 /** preceding-sibling axes string. */ 78 private static final String FROM_PRECEDING_SIBLINGS_STRING = 79 "preceding-sibling"; 80 81 /** self axes string. */ 82 private static final String FROM_SELF_STRING = "self"; 83 84 /** namespace axes string. */ 85 private static final String FROM_NAMESPACE_STRING = "namespace"; 86 87 /** self axes abreviated string. */ 88 private static final String FROM_SELF_ABBREVIATED_STRING = "."; 89 90 /** comment node test string. */ 91 private static final String NODETYPE_COMMENT_STRING = "comment"; 92 93 /** text node test string. */ 94 private static final String NODETYPE_TEXT_STRING = "text"; 95 96 /** processing-instruction node test string. */ 97 private static final String NODETYPE_PI_STRING = "processing-instruction"; 98 99 /** Any node test string. */ 100 private static final String NODETYPE_NODE_STRING = "node"; 101 102 /** Wildcard element string. */ 103 private static final String NODETYPE_ANYELEMENT_STRING = "*"; 104 105 /** current function string. */ 106 public static final String FUNC_CURRENT_STRING = "current"; 107 108 /** last function string. */ 109 public static final String FUNC_LAST_STRING = "last"; 110 111 /** position function string. */ 112 public static final String FUNC_POSITION_STRING = "position"; 113 114 /** count function string. */ 115 public static final String FUNC_COUNT_STRING = "count"; 116 117 /** id function string. */ 118 static final String FUNC_ID_STRING = "id"; 119 120 /** key function string (XSLT). */ 121 public static final String FUNC_KEY_STRING = "key"; 122 123 /** local-name function string. */ 124 public static final String FUNC_LOCAL_PART_STRING = "local-name"; 125 126 /** namespace-uri function string. */ 127 public static final String FUNC_NAMESPACE_STRING = "namespace-uri"; 128 129 /** name function string. */ 130 public static final String FUNC_NAME_STRING = "name"; 131 132 /** generate-id function string (XSLT). */ 133 public static final String FUNC_GENERATE_ID_STRING = "generate-id"; 134 135 /** not function string. */ 136 public static final String FUNC_NOT_STRING = "not"; 137 138 /** true function string. */ 139 public static final String FUNC_TRUE_STRING = "true"; 140 141 /** false function string. */ 142 public static final String FUNC_FALSE_STRING = "false"; 143 144 /** boolean function string. */ 145 public static final String FUNC_BOOLEAN_STRING = "boolean"; 146 147 /** lang function string. */ 148 public static final String FUNC_LANG_STRING = "lang"; 149 150 /** number function string. */ 151 public static final String FUNC_NUMBER_STRING = "number"; 152 153 /** floor function string. */ 154 public static final String FUNC_FLOOR_STRING = "floor"; 155 156 /** ceiling function string. */ 157 public static final String FUNC_CEILING_STRING = "ceiling"; 158 159 /** round function string. */ 160 public static final String FUNC_ROUND_STRING = "round"; 161 162 /** sum function string. */ 163 public static final String FUNC_SUM_STRING = "sum"; 164 165 /** string function string. */ 166 public static final String FUNC_STRING_STRING = "string"; 167 168 /** starts-with function string. */ 169 public static final String FUNC_STARTS_WITH_STRING = "starts-with"; 170 171 /** contains function string. */ 172 public static final String FUNC_CONTAINS_STRING = "contains"; 173 174 /** substring-before function string. */ 175 public static final String FUNC_SUBSTRING_BEFORE_STRING = 176 "substring-before"; 177 178 /** substring-after function string. */ 179 public static final String FUNC_SUBSTRING_AFTER_STRING = "substring-after"; 180 181 /** normalize-space function string. */ 182 public static final String FUNC_NORMALIZE_SPACE_STRING = "normalize-space"; 183 184 /** translate function string. */ 185 public static final String FUNC_TRANSLATE_STRING = "translate"; 186 187 /** concat function string. */ 188 public static final String FUNC_CONCAT_STRING = "concat"; 189 190 /** system-property function string. */ 191 public static final String FUNC_SYSTEM_PROPERTY_STRING = "system-property"; 192 193 /** function-available function string (XSLT). */ 194 public static final String FUNC_EXT_FUNCTION_AVAILABLE_STRING = 195 "function-available"; 196 197 /** element-available function string (XSLT). */ 198 public static final String FUNC_EXT_ELEM_AVAILABLE_STRING = 199 "element-available"; 200 201 /** substring function string. */ 202 public static final String FUNC_SUBSTRING_STRING = "substring"; 203 204 /** string-length function string. */ 205 public static final String FUNC_STRING_LENGTH_STRING = "string-length"; 206 207 /** unparsed-entity-uri function string (XSLT). */ 208 public static final String FUNC_UNPARSED_ENTITY_URI_STRING = 209 "unparsed-entity-uri"; 210 211 // Proprietary, built in functions 212 213 /** current function string (Proprietary). */ 214 public static final String FUNC_DOCLOCATION_STRING = "document-location"; 215 216 static 217 { 218 m_axisnames.put(FROM_ANCESTORS_STRING, 219 new Integer(OpCodes.FROM_ANCESTORS)); 220 m_axisnames.put(FROM_ANCESTORS_OR_SELF_STRING, 221 new Integer(OpCodes.FROM_ANCESTORS_OR_SELF)); 222 m_axisnames.put(FROM_ATTRIBUTES_STRING, 223 new Integer(OpCodes.FROM_ATTRIBUTES)); 224 m_axisnames.put(FROM_CHILDREN_STRING, 225 new Integer(OpCodes.FROM_CHILDREN)); 226 m_axisnames.put(FROM_DESCENDANTS_STRING, 227 new Integer(OpCodes.FROM_DESCENDANTS)); 228 m_axisnames.put(FROM_DESCENDANTS_OR_SELF_STRING, 229 new Integer(OpCodes.FROM_DESCENDANTS_OR_SELF)); 230 m_axisnames.put(FROM_FOLLOWING_STRING, 231 new Integer(OpCodes.FROM_FOLLOWING)); 232 m_axisnames.put(FROM_FOLLOWING_SIBLINGS_STRING, 233 new Integer(OpCodes.FROM_FOLLOWING_SIBLINGS)); 234 m_axisnames.put(FROM_PARENT_STRING, 235 new Integer(OpCodes.FROM_PARENT)); 236 m_axisnames.put(FROM_PRECEDING_STRING, 237 new Integer(OpCodes.FROM_PRECEDING)); 238 m_axisnames.put(FROM_PRECEDING_SIBLINGS_STRING, 239 new Integer(OpCodes.FROM_PRECEDING_SIBLINGS)); 240 m_axisnames.put(FROM_SELF_STRING, 241 new Integer(OpCodes.FROM_SELF)); 242 m_axisnames.put(FROM_NAMESPACE_STRING, 243 new Integer(OpCodes.FROM_NAMESPACE)); 244 m_nodetypes.put(NODETYPE_COMMENT_STRING, 245 new Integer(OpCodes.NODETYPE_COMMENT)); 246 m_nodetypes.put(NODETYPE_TEXT_STRING, 247 new Integer(OpCodes.NODETYPE_TEXT)); 248 m_nodetypes.put(NODETYPE_PI_STRING, 249 new Integer(OpCodes.NODETYPE_PI)); 250 m_nodetypes.put(NODETYPE_NODE_STRING, 251 new Integer(OpCodes.NODETYPE_NODE)); 252 m_nodetypes.put(NODETYPE_ANYELEMENT_STRING, 253 new Integer(OpCodes.NODETYPE_ANYELEMENT)); 254 m_keywords.put(FROM_SELF_ABBREVIATED_STRING, 255 new Integer(OpCodes.FROM_SELF)); 256 m_keywords.put(FUNC_ID_STRING, 257 new Integer(FunctionTable.FUNC_ID)); 258 m_keywords.put(FUNC_KEY_STRING, 259 new Integer(FunctionTable.FUNC_KEY)); 260 261 m_nodetests.put(NODETYPE_COMMENT_STRING, 262 new Integer(OpCodes.NODETYPE_COMMENT)); 263 m_nodetests.put(NODETYPE_TEXT_STRING, 264 new Integer(OpCodes.NODETYPE_TEXT)); 265 m_nodetests.put(NODETYPE_PI_STRING, 266 new Integer(OpCodes.NODETYPE_PI)); 267 m_nodetests.put(NODETYPE_NODE_STRING, 268 new Integer(OpCodes.NODETYPE_NODE)); 269 } 270 271 static Object getAxisName(String key){ 272 return m_axisnames.get(key); 273 } 274 275 static Object lookupNodeTest(String key){ 276 return m_nodetests.get(key); 277 } 278 279 static Object getKeyWord(String key){ 280 return m_keywords.get(key); 281 } 282 283 static Object getNodeType(String key){ 284 return m_nodetypes.get(key); 285 } 286 } 287
