1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef ADC_TOKEN2_HXX 25 #define ADC_TOKEN2_HXX 26 27 // USED SERVICES 28 // BASE CLASSES 29 // COMPONENTS 30 // PARAMETRS 31 32 33 34 /** This is the interface for parser classes, which get a sequence of Token s from 35 a text. 36 37 Start() starts to parse the text from the given i_rSource. 38 GetNextToken() returns a Token on the heap as long as there are 39 still characters in the text left. The last time GetNextToken() 40 returns NULL. 41 42 The algorithms for parsing tokens from the text are an issue of 43 the derived classes. 44 */ 45 class TextToken 46 { 47 public: 48 // LIFECYCLE ~TextToken()49 virtual ~TextToken() {} 50 51 52 // INQUIRY 53 virtual const char* Text() const = 0; 54 }; 55 56 57 #endif 58 59 60