| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| ******************************************************************************/ |
| package org.apache.olingo.odata2.core.uri.expression; |
| |
| /* 1 */ |
| |
| /** |
| * The token kind is used to categorize a single {@link Token}. |
| * The Expression parser ({@link FilterParserImpl}) uses this information |
| * to build the expression tree. |
| */ |
| public enum TokenKind { |
| /** |
| * Indicates that the token is a whitespace character |
| */ |
| WHITESPACE, |
| |
| /** |
| * Indicates that the token is a '(' character |
| */ |
| OPENPAREN, |
| |
| /** |
| * Indicates that the token is a ')' character |
| */ |
| CLOSEPAREN, |
| |
| /** |
| * Indicates that the token is a ',' character |
| */ |
| COMMA, |
| |
| /** |
| * Indicates that the token is a typed literal. That may be a |
| * Edm.String like 'TEST' |
| * Edm.Double like '1.1D' |
| * or any other Edm.Simple Type |
| */ |
| SIMPLE_TYPE, |
| |
| /** |
| * Indicates that the token is a single symbol. That may be a |
| * '-', '=', '/', '?', '.' or a '*' character |
| */ |
| SYMBOL, |
| |
| /** |
| * Indicates that the token is a set of alphanumeric characters starting |
| * with a letter |
| */ |
| LITERAL, TYPED_LITERAL_TODO_CHECK, UNKNOWN |
| |
| } |