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Java example source code file (Keywords.java)

This example Java source code file (Keywords.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

from_attributes_string, from_descendants_or_self_string, from_descendants_string, func_ext_function_available_string, func_false_string, func_floor_string, func_key_string, func_name_string, func_string_string, func_substring_before_string, hashtable, nodetype_node_string, object, string, util

The Keywords.java Java example source code

/*
 * reserved comment block
 * DO NOT REMOVE OR ALTER!
 */
/*
 * Copyright 1999-2005 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * $Id: Keywords.java,v 1.2.4.1 2005/09/14 19:46:01 jeffsuttor Exp $
 */
package com.sun.org.apache.xpath.internal.compiler;

import java.util.Hashtable;

/**
 * Table of strings to operation code lookups.
 * @xsl.usage internal
 */
public class Keywords
{

  /** Table of keywords to opcode associations. */
  private static Hashtable m_keywords = new Hashtable();

  /** Table of axes names to opcode associations. */
  private static Hashtable m_axisnames = new Hashtable();

  /** Table of function name to function ID associations. */
  private static Hashtable m_nodetests = new Hashtable();

  /** Table of node type strings to opcode associations. */
  private static Hashtable m_nodetypes = new Hashtable();

  /** ancestor axes string. */
  private static final String FROM_ANCESTORS_STRING = "ancestor";

  /** ancestor-or-self axes string. */
  private static final String FROM_ANCESTORS_OR_SELF_STRING =
    "ancestor-or-self";

  /** attribute axes string. */
  private static final String FROM_ATTRIBUTES_STRING = "attribute";

  /** child axes string. */
  private static final String FROM_CHILDREN_STRING = "child";

  /** descendant-or-self axes string. */
  private static final String FROM_DESCENDANTS_STRING = "descendant";

  /** ancestor axes string. */
  private static final String FROM_DESCENDANTS_OR_SELF_STRING =
    "descendant-or-self";

  /** following axes string. */
  private static final String FROM_FOLLOWING_STRING = "following";

  /** following-sibling axes string. */
  private static final String FROM_FOLLOWING_SIBLINGS_STRING =
    "following-sibling";

  /** parent axes string. */
  private static final String FROM_PARENT_STRING = "parent";

  /** preceding axes string. */
  private static final String FROM_PRECEDING_STRING = "preceding";

  /** preceding-sibling axes string. */
  private static final String FROM_PRECEDING_SIBLINGS_STRING =
    "preceding-sibling";

  /** self axes string. */
  private static final String FROM_SELF_STRING = "self";

  /** namespace axes string. */
  private static final String FROM_NAMESPACE_STRING = "namespace";

  /** self axes abreviated string. */
  private static final String FROM_SELF_ABBREVIATED_STRING = ".";

  /** comment node test string. */
  private static final String NODETYPE_COMMENT_STRING = "comment";

  /** text node test string. */
  private static final String NODETYPE_TEXT_STRING = "text";

  /** processing-instruction node test string. */
  private static final String NODETYPE_PI_STRING = "processing-instruction";

  /** Any node test string. */
  private static final String NODETYPE_NODE_STRING = "node";

  /** Wildcard element string. */
  private static final String NODETYPE_ANYELEMENT_STRING = "*";

  /** current function string. */
  public static final String FUNC_CURRENT_STRING = "current";

  /** last function string. */
  public static final String FUNC_LAST_STRING = "last";

  /** position function string. */
  public static final String FUNC_POSITION_STRING = "position";

  /** count function string. */
  public static final String FUNC_COUNT_STRING = "count";

  /** id function string. */
  static final String FUNC_ID_STRING = "id";

  /** key function string (XSLT). */
  public static final String FUNC_KEY_STRING = "key";

  /** local-name function string. */
  public static final String FUNC_LOCAL_PART_STRING = "local-name";

  /** namespace-uri function string. */
  public static final String FUNC_NAMESPACE_STRING = "namespace-uri";

  /** name function string. */
  public static final String FUNC_NAME_STRING = "name";

  /** generate-id function string (XSLT). */
  public static final String FUNC_GENERATE_ID_STRING = "generate-id";

  /** not function string. */
  public static final String FUNC_NOT_STRING = "not";

  /** true function string. */
  public static final String FUNC_TRUE_STRING = "true";

  /** false function string. */
  public static final String FUNC_FALSE_STRING = "false";

  /** boolean function string. */
  public static final String FUNC_BOOLEAN_STRING = "boolean";

  /** lang function string. */
  public static final String FUNC_LANG_STRING = "lang";

  /** number function string. */
  public static final String FUNC_NUMBER_STRING = "number";

  /** floor function string. */
  public static final String FUNC_FLOOR_STRING = "floor";

  /** ceiling function string. */
  public static final String FUNC_CEILING_STRING = "ceiling";

  /** round function string. */
  public static final String FUNC_ROUND_STRING = "round";

  /** sum function string. */
  public static final String FUNC_SUM_STRING = "sum";

  /** string function string. */
  public static final String FUNC_STRING_STRING = "string";

  /** starts-with function string. */
  public static final String FUNC_STARTS_WITH_STRING = "starts-with";

  /** contains function string. */
  public static final String FUNC_CONTAINS_STRING = "contains";

  /** substring-before function string. */
  public static final String FUNC_SUBSTRING_BEFORE_STRING =
    "substring-before";

  /** substring-after function string. */
  public static final String FUNC_SUBSTRING_AFTER_STRING = "substring-after";

  /** normalize-space function string. */
  public static final String FUNC_NORMALIZE_SPACE_STRING = "normalize-space";

  /** translate function string. */
  public static final String FUNC_TRANSLATE_STRING = "translate";

  /** concat function string. */
  public static final String FUNC_CONCAT_STRING = "concat";

  /** system-property function string. */
  public static final String FUNC_SYSTEM_PROPERTY_STRING = "system-property";

  /** function-available function string (XSLT). */
  public static final String FUNC_EXT_FUNCTION_AVAILABLE_STRING =
    "function-available";

  /** element-available function string (XSLT). */
  public static final String FUNC_EXT_ELEM_AVAILABLE_STRING =
    "element-available";

  /** substring function string. */
  public static final String FUNC_SUBSTRING_STRING = "substring";

  /** string-length function string. */
  public static final String FUNC_STRING_LENGTH_STRING = "string-length";

  /** unparsed-entity-uri function string (XSLT). */
  public static final String FUNC_UNPARSED_ENTITY_URI_STRING =
    "unparsed-entity-uri";

  // Proprietary, built in functions

  /** current function string (Proprietary). */
  public static final String FUNC_DOCLOCATION_STRING = "document-location";

  static
  {
    m_axisnames.put(FROM_ANCESTORS_STRING,
                    new Integer(OpCodes.FROM_ANCESTORS));
    m_axisnames.put(FROM_ANCESTORS_OR_SELF_STRING,
                    new Integer(OpCodes.FROM_ANCESTORS_OR_SELF));
    m_axisnames.put(FROM_ATTRIBUTES_STRING,
                    new Integer(OpCodes.FROM_ATTRIBUTES));
    m_axisnames.put(FROM_CHILDREN_STRING,
                    new Integer(OpCodes.FROM_CHILDREN));
    m_axisnames.put(FROM_DESCENDANTS_STRING,
                    new Integer(OpCodes.FROM_DESCENDANTS));
    m_axisnames.put(FROM_DESCENDANTS_OR_SELF_STRING,
                    new Integer(OpCodes.FROM_DESCENDANTS_OR_SELF));
    m_axisnames.put(FROM_FOLLOWING_STRING,
                    new Integer(OpCodes.FROM_FOLLOWING));
    m_axisnames.put(FROM_FOLLOWING_SIBLINGS_STRING,
                    new Integer(OpCodes.FROM_FOLLOWING_SIBLINGS));
    m_axisnames.put(FROM_PARENT_STRING,
                    new Integer(OpCodes.FROM_PARENT));
    m_axisnames.put(FROM_PRECEDING_STRING,
                    new Integer(OpCodes.FROM_PRECEDING));
    m_axisnames.put(FROM_PRECEDING_SIBLINGS_STRING,
                    new Integer(OpCodes.FROM_PRECEDING_SIBLINGS));
    m_axisnames.put(FROM_SELF_STRING,
                    new Integer(OpCodes.FROM_SELF));
    m_axisnames.put(FROM_NAMESPACE_STRING,
                    new Integer(OpCodes.FROM_NAMESPACE));
    m_nodetypes.put(NODETYPE_COMMENT_STRING,
                    new Integer(OpCodes.NODETYPE_COMMENT));
    m_nodetypes.put(NODETYPE_TEXT_STRING,
                    new Integer(OpCodes.NODETYPE_TEXT));
    m_nodetypes.put(NODETYPE_PI_STRING,
                    new Integer(OpCodes.NODETYPE_PI));
    m_nodetypes.put(NODETYPE_NODE_STRING,
                    new Integer(OpCodes.NODETYPE_NODE));
    m_nodetypes.put(NODETYPE_ANYELEMENT_STRING,
                    new Integer(OpCodes.NODETYPE_ANYELEMENT));
    m_keywords.put(FROM_SELF_ABBREVIATED_STRING,
                   new Integer(OpCodes.FROM_SELF));
    m_keywords.put(FUNC_ID_STRING,
                   new Integer(FunctionTable.FUNC_ID));
    m_keywords.put(FUNC_KEY_STRING,
                   new Integer(FunctionTable.FUNC_KEY));

    m_nodetests.put(NODETYPE_COMMENT_STRING,
                    new Integer(OpCodes.NODETYPE_COMMENT));
    m_nodetests.put(NODETYPE_TEXT_STRING,
                    new Integer(OpCodes.NODETYPE_TEXT));
    m_nodetests.put(NODETYPE_PI_STRING,
                    new Integer(OpCodes.NODETYPE_PI));
    m_nodetests.put(NODETYPE_NODE_STRING,
                    new Integer(OpCodes.NODETYPE_NODE));
  }

  static Object getAxisName(String key){
          return m_axisnames.get(key);
  }

  static Object lookupNodeTest(String key){
          return m_nodetests.get(key);
  }

  static Object getKeyWord(String key){
          return m_keywords.get(key);
  }

  static Object getNodeType(String key){
          return m_nodetypes.get(key);
  }
}

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