88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
#include <plasp/sas/Operator.h>
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#include <iostream>
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#include <limits>
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#include <plasp/output/Formatting.h>
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#include <plasp/sas/VariableTransition.h>
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namespace plasp
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{
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namespace sas
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{
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// Operator
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//
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////////////////////////////////////////////////////////////////////////////////////////////////////
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Operator Operator::fromSAS(input::Parser<> &parser, const Variables &variables)
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{
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Operator operator_;
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parser.expect<std::string>("begin_operator");
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operator_.m_predicate = Predicate::fromSAS(parser);
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const auto numberOfPrevailConditions = parser.parse<size_t>();
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operator_.m_preconditions.reserve(numberOfPrevailConditions);
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for (size_t j = 0; j < numberOfPrevailConditions; j++)
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operator_.m_preconditions.emplace_back(Condition::fromSAS(parser, variables));
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const auto numberOfEffects = parser.parse<size_t>();
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operator_.m_effects.reserve(numberOfEffects);
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for (size_t j = 0; j < numberOfEffects; j++)
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operator_.m_effects.emplace_back(Effect::fromSAS(parser, variables, operator_.m_preconditions));
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operator_.m_costs = parser.parse<size_t>();
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parser.expect<std::string>("end_operator");
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return operator_;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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void Operator::printPredicateAsASP(output::ColorStream &stream) const
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{
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stream << output::Keyword("action") << "(";
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m_predicate.printAsASP(stream);
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stream << ")";
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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const Predicate &Operator::predicate() const
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{
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return m_predicate;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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const Operator::Conditions &Operator::preconditions() const
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{
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return m_preconditions;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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const Effects &Operator::effects() const
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{
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return m_effects;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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size_t Operator::costs() const
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{
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return m_costs;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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}
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}
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