Algorithms Library Toolkit
A toolkit for algorithms, especially for algorithms on formal languages
RealTimeHeightDeterministicDPDA.h
Go to the documentation of this file.
1
6/*
7 * This file is part of Algorithms library toolkit.
8 * Copyright (C) 2017 Jan Travnicek (jan.travnicek@fit.cvut.cz)
9
10 * Algorithms library toolkit is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation, either version 3 of the License, or
13 * (at your option) any later version.
14
15 * Algorithms library toolkit is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19
20 * You should have received a copy of the GNU General Public License
21 * along with Algorithms library toolkit. If not, see <http://www.gnu.org/licenses/>.
22 */
23
24#pragma once
25
26#include <core/xmlApi.hpp>
28#include "../common/AutomatonFromXMLParser.h"
29#include "../common/AutomatonToXMLComposer.h"
30
31namespace core {
32
33template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
34struct xmlApi < automaton::RealTimeHeightDeterministicDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > > {
42 static std::string xmlTagName() {
43 return "RealTimeHeightDeterministicDPDA";
44 }
45
53 static bool first ( const ext::deque < sax::Token >::const_iterator & input ) {
55 }
56
65
73
81
89};
90
91template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
94
95 ext::set<StateType> states = automaton::AutomatonFromXMLParser::parseStates<StateType>(input);
96 ext::set<InputSymbolType> inputSymbols = automaton::AutomatonFromXMLParser::parseInputAlphabet<InputSymbolType>(input);
97 ext::set<PushdownStoreSymbolType> stackSymbols = automaton::AutomatonFromXMLParser::parsePushdownStoreAlphabet<PushdownStoreSymbolType>(input);
98 StateType initialState = automaton::AutomatonFromXMLParser::parseInitialState<StateType>(input);
99 PushdownStoreSymbolType bottomOfTheStackSymbol = automaton::AutomatonFromXMLParser::parseBottomOfTheStackSymbol<PushdownStoreSymbolType>(input);
100 ext::set<StateType> finalStates = automaton::AutomatonFromXMLParser::parseFinalStates<StateType>(input);
101
103 automaton.setStates(std::move(states));
104 automaton.setInputAlphabet(std::move(inputSymbols));
105 automaton.setPushdownStoreAlphabet(std::move(stackSymbols));
106 automaton.setFinalStates(std::move(finalStates));
107
109
111 return automaton;
112}
113
114template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
118 StateType from = automaton::AutomatonFromXMLParser::parseTransitionFrom<StateType>(input);
119 common::symbol_or_epsilon < InputSymbolType > inputSymbol = automaton::AutomatonFromXMLParser::parseTransitionInputSymbol < common::symbol_or_epsilon < InputSymbolType > >( input );
120 StateType to = automaton::AutomatonFromXMLParser::parseTransitionTo<StateType>(input);
121 PushdownStoreSymbolType push = automaton::AutomatonFromXMLParser::parseTransitionSinglePush<PushdownStoreSymbolType>(input);
122
123 automaton.addCallTransition(std::move(from), std::move(inputSymbol), std::move(to), std::move(push));
125 } else if(sax::FromXMLParserHelper::isToken(input, sax::Token::TokenType::START_ELEMENT, "returnTransition")) {
127 StateType from = automaton::AutomatonFromXMLParser::parseTransitionFrom<StateType>(input);
128 common::symbol_or_epsilon < InputSymbolType > inputSymbol = automaton::AutomatonFromXMLParser::parseTransitionInputSymbol < common::symbol_or_epsilon < InputSymbolType > > ( input );
129 PushdownStoreSymbolType pop = automaton::AutomatonFromXMLParser::parseTransitionSinglePop<PushdownStoreSymbolType>(input);
130 StateType to = automaton::AutomatonFromXMLParser::parseTransitionTo<StateType>(input);
131
132 automaton.addReturnTransition(std::move(from), std::move(inputSymbol), std::move(pop), std::move(to));
134 } else {
136 StateType from = automaton::AutomatonFromXMLParser::parseTransitionFrom<StateType>(input);
137 common::symbol_or_epsilon < InputSymbolType > inputSymbol = automaton::AutomatonFromXMLParser::parseTransitionInputSymbol < common::symbol_or_epsilon < InputSymbolType > > ( input );
138 StateType to = automaton::AutomatonFromXMLParser::parseTransitionTo<StateType>(input);
139
140 automaton.addLocalTransition(std::move(from), std::move(inputSymbol), std::move(to));
142 }
143}
144
145template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
147 out.emplace_back ( xmlTagName ( ), sax::Token::TokenType::START_ELEMENT );
148
155 composeTransitions ( out, automaton );
156
157 out.emplace_back ( xmlTagName ( ), sax::Token::TokenType::END_ELEMENT );
158}
159
160template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
162 out.emplace_back("transitions", sax::Token::TokenType::START_ELEMENT);
163 for(const auto& transition : automaton.getCallTransitions()) {
164 out.emplace_back("callTransition", sax::Token::TokenType::START_ELEMENT);
165
168 automaton::AutomatonToXMLComposer::composeTransitionTo(out, transition.second.first);
170
171 out.emplace_back("callTransition", sax::Token::TokenType::END_ELEMENT);
172 }
173 for(const auto& transition : automaton.getReturnTransitions()) {
174 out.emplace_back("returnTransition", sax::Token::TokenType::START_ELEMENT);
175
176 automaton::AutomatonToXMLComposer::composeTransitionFrom(out, std::get<0>(transition.first));
177 automaton::AutomatonToXMLComposer::composeTransitionInputSymbol(out, std::get<1>(transition.first));
178 automaton::AutomatonToXMLComposer::composeTransitionSinglePop(out, std::get<2>(transition.first));
180
181 out.emplace_back("returnTransition", sax::Token::TokenType::END_ELEMENT);
182 }
183 for(const auto& transition : automaton.getLocalTransitions()) {
184 out.emplace_back("localTransition", sax::Token::TokenType::START_ELEMENT);
185
189
190 out.emplace_back("localTransition", sax::Token::TokenType::END_ELEMENT);
191 }
192 out.emplace_back("transitions", sax::Token::TokenType::END_ELEMENT);
193}
194
195} /* namespace core */
196
static void parseTransitions(ext::deque< sax::Token >::iterator &input, T &automaton)
Definition: AutomatonFromXMLParser.h:114
static void composeTransitionTo(ext::deque< sax::Token > &, const StateType &state)
Definition: AutomatonToXMLComposer.h:252
static void composeStates(ext::deque< sax::Token > &, const ext::set< StateType > &states)
Definition: AutomatonToXMLComposer.h:100
static void composeTransitionFrom(ext::deque< sax::Token > &, const StateType &state)
Definition: AutomatonToXMLComposer.h:259
static void composeInputAlphabet(ext::deque< sax::Token > &, const ext::set< SymbolType > &symbols)
Definition: AutomatonToXMLComposer.h:109
static void composeTransitionSinglePush(ext::deque< sax::Token > &, const SymbolType &symbol)
Definition: AutomatonToXMLComposer.h:309
static void composeTransitionSinglePop(ext::deque< sax::Token > &, const SymbolType &symbol)
Definition: AutomatonToXMLComposer.h:293
static void composeFinalStates(ext::deque< sax::Token > &, const ext::set< StateType > &states)
Definition: AutomatonToXMLComposer.h:170
static void composeBottomOfTheStackSymbol(ext::deque< sax::Token > &, const SymbolType &symbol)
Definition: AutomatonToXMLComposer.h:229
static void composeTransitionInputSymbol(ext::deque< sax::Token > &, const SymbolType &symbol)
Definition: AutomatonToXMLComposer.h:316
static void composeInitialState(ext::deque< sax::Token > &, const StateType &state)
Definition: AutomatonToXMLComposer.h:163
static void composePushdownStoreAlphabet(ext::deque< sax::Token > &, const ext::set< SymbolType > &symbols)
Definition: AutomatonToXMLComposer.h:179
Deterministic real time height deterministic pushdown automaton. Accepts subset of context free langu...
Definition: RealTimeHeightDeterministicDPDA.h:89
Definition: symbol_or_epsilon.hpp:24
Class extending the deque class from the standard library. Original reason is to allow printing of th...
Definition: deque.hpp:44
Definition: set.hpp:44
static void popToken(ext::deque< Token >::iterator &input, Token::TokenType type, const std::string &data)
Definition: FromXMLParserHelper.cpp:39
static bool isToken(ext::deque< Token >::const_iterator input, Token::TokenType type, const std::string &data)
Definition: FromXMLParserHelper.cpp:29
typename T::StateType StateType
Definition: ToGrammarLeftRG.h:64
Definition: ToGrammar.h:31
Definition: normalize.hpp:10
static bool first(const ext::deque< sax::Token >::const_iterator &input)
Tests whether the token stream starts with this type.
Definition: RealTimeHeightDeterministicDPDA.h:53
static std::string xmlTagName()
The XML tag name of class.
Definition: RealTimeHeightDeterministicDPDA.h:42
Definition: xmlApi.hpp:27