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_STMSTATE_HXX 25 #define ADC_STMSTATE_HXX 26 27 // USED SERVICES 28 // BASE CLASSES 29 // COMPONENTS 30 // PARAMETERS 31 class StmArrayStatus; 32 class StmBoundsStatus; 33 34 /** A StmStatus is a state within a StateMachine. 35 There are two kinds of it. Either its an array of pointers to 36 other states within the state machine - an ArrayStatus. 37 38 Or it is a BoundsStatus, which shows, the token cannot be 39 followed further within the StateMachine. 40 **/ 41 class StmStatus // := "State machine status" 42 { 43 public: 44 typedef intt Branch; /// Values >= 0 give a next #Status' ID. 45 /// Values <= 0 tell, that a token is finished. 46 /// a value < 0 returns the status back to an upper level state machine. 47 // LIFECYCLE ~StmStatus()48 virtual ~StmStatus() {} 49 50 // OPERATIONS 51 virtual StmArrayStatus * 52 AsArray(); 53 virtual StmBoundsStatus * 54 AsBounds(); 55 56 // INQUIRY 57 virtual bool IsADefault() const = 0; 58 }; 59 60 61 62 #endif 63 64 65