Algorithms Library Toolkit
A toolkit for algorithms, especially for algorithms on formal languages
RealTimeHeightDeterministicNPDA.h
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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::RealTimeHeightDeterministicNPDA < InputSymbolType, PushdownStoreSymbolType, StateType > > {
42 static std::string xmlTagName() {
43 return "RealTimeHeightDeterministicNPDA";
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 ext::set<StateType> initialStates = automaton::AutomatonFromXMLParser::parseInitialStates<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.setInitialStates(std::move(initialStates));
107 automaton.setFinalStates(std::move(finalStates));
108
110
112 return automaton;
113}
114
115template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
119 StateType from = automaton::AutomatonFromXMLParser::parseTransitionFrom<StateType>(input);
120 common::symbol_or_epsilon < InputSymbolType > inputSymbol = automaton::AutomatonFromXMLParser::parseTransitionInputSymbol <common::symbol_or_epsilon < InputSymbolType > >(input);
121 StateType to = automaton::AutomatonFromXMLParser::parseTransitionTo<StateType>(input);
122 PushdownStoreSymbolType push = automaton::AutomatonFromXMLParser::parseTransitionSinglePush<PushdownStoreSymbolType>(input);
123
124 automaton.addCallTransition(std::move(from), std::move(inputSymbol), std::move(to), std::move(push));
126 } else if(sax::FromXMLParserHelper::isToken(input, sax::Token::TokenType::START_ELEMENT, "returnTransition")) {
128 StateType from = automaton::AutomatonFromXMLParser::parseTransitionFrom<StateType>(input);
129 common::symbol_or_epsilon < InputSymbolType > inputSymbol = automaton::AutomatonFromXMLParser::parseTransitionInputSymbol <common::symbol_or_epsilon < InputSymbolType > >(input);
130 PushdownStoreSymbolType pop = automaton::AutomatonFromXMLParser::parseTransitionSinglePop<PushdownStoreSymbolType>(input);
131 StateType to = automaton::AutomatonFromXMLParser::parseTransitionTo<StateType>(input);
132
133 automaton.addReturnTransition(std::move(from), std::move(inputSymbol), std::move(pop), std::move(to));
135 } else {
137 StateType from = automaton::AutomatonFromXMLParser::parseTransitionFrom<StateType>(input);
138 common::symbol_or_epsilon < InputSymbolType > inputSymbol = automaton::AutomatonFromXMLParser::parseTransitionInputSymbol <common::symbol_or_epsilon < InputSymbolType > >(input);
139 StateType to = automaton::AutomatonFromXMLParser::parseTransitionTo<StateType>(input);
140
141 automaton.addLocalTransition(std::move(from), std::move(inputSymbol), std::move(to));
143 }
144}
145
146template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
148 out.emplace_back ( xmlTagName ( ), sax::Token::TokenType::START_ELEMENT );
149
156 composeTransitions(out, automaton );
157
158 out.emplace_back ( xmlTagName ( ), sax::Token::TokenType::END_ELEMENT );
159}
160
161template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
163 out.emplace_back("transitions", sax::Token::TokenType::START_ELEMENT);
164 for(const auto& transition : automaton.getCallTransitions()) {
165 out.emplace_back("callTransition", sax::Token::TokenType::START_ELEMENT);
166
169 automaton::AutomatonToXMLComposer::composeTransitionTo(out, transition.second.first);
171
172 out.emplace_back("callTransition", sax::Token::TokenType::END_ELEMENT);
173 }
174 for(const auto& transition : automaton.getReturnTransitions()) {
175 out.emplace_back("returnTransition", sax::Token::TokenType::START_ELEMENT);
176
177 automaton::AutomatonToXMLComposer::composeTransitionFrom(out, std::get<0>(transition.first));
178 automaton::AutomatonToXMLComposer::composeTransitionInputSymbol(out, std::get<1>(transition.first));
179 automaton::AutomatonToXMLComposer::composeTransitionSinglePop(out, std::get<2>(transition.first));
181
182 out.emplace_back("returnTransition", sax::Token::TokenType::END_ELEMENT);
183 }
184 for(const auto& transition : automaton.getLocalTransitions()) {
185 out.emplace_back("localTransition", sax::Token::TokenType::START_ELEMENT);
186
190
191 out.emplace_back("localTransition", sax::Token::TokenType::END_ELEMENT);
192 }
193 out.emplace_back("transitions", sax::Token::TokenType::END_ELEMENT);
194}
195
196} /* namespace core */
197
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 composeInitialStates(ext::deque< sax::Token > &, const ext::set< StateType > &states)
Definition: AutomatonToXMLComposer.h:154
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 composePushdownStoreAlphabet(ext::deque< sax::Token > &, const ext::set< SymbolType > &symbols)
Definition: AutomatonToXMLComposer.h:179
Nondeterministic real time height deterministic pushdown automaton. Accepts subset of context free la...
Definition: RealTimeHeightDeterministicNPDA.h:76
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 std::string xmlTagName()
The XML tag name of class.
Definition: RealTimeHeightDeterministicNPDA.h:42
static bool first(const ext::deque< sax::Token >::const_iterator &input)
Tests whether the token stream starts with this type.
Definition: RealTimeHeightDeterministicNPDA.h:53
Definition: xmlApi.hpp:27