Files
kraken/src/State.cpp

122 lines
3.3 KiB
C++

#include "State.h"
State::State(int number, ParseRule* basis) {
this->number = number;
this->basis.push_back(basis);
}
State::State(int number, ParseRule* basis, State* parent) {
this->number = number;
this->basis.push_back(basis);
parents.push_back(parent);
}
State::~State() {
}
const bool State::operator==(const State &other) {
//return (basis == other.basis && remaining == other.remaining);
if (basis.size() != other.basis.size())
return false;
for (std::vector< ParseRule* >::size_type i = 0; i < basis.size(); i++) {
if (*(basis[i]) != *(other.basis[i]))
return false;
}
if (remaining.size() != other.remaining.size())
return false;
for (std::vector< ParseRule* >::size_type i = 0; i < remaining.size(); i++) {
if ( *(remaining[i]) != *(other.remaining[i]) )
return false;
}
return true;
}
const bool State::operator!=(const State &other) {
return !(this->operator==(other));
}
const bool State::basisEquals(const State &other) {
//return (basis == other.basis && remaining == other.remaining);
if (basis.size() != other.basis.size())
return false;
for (std::vector< ParseRule* >::size_type i = 0; i < basis.size(); i++) {
if (*(basis[i]) != *(other.basis[i]))
return false;
}
return true;
}
std::vector<ParseRule*>* State::getTotal() {
total.clear();
for (std::vector<ParseRule*>::size_type i = 0; i < basis.size(); i++) {
total.push_back(basis[i]);
}
for (std::vector<ParseRule*>::size_type i = 0; i < remaining.size(); i++) {
total.push_back(remaining[i]);
}
return(&total);
}
std::vector<ParseRule*>* State::getBasis() {
return &basis;
}
std::vector<ParseRule*>* State::getRemaining() {
return &remaining;
}
bool State::containsRule(ParseRule* rule) {
for (std::vector<ParseRule*>::size_type i = 0; i < basis.size(); i++) {
if (*rule == *(basis[i]))
return true;
}
for (std::vector<ParseRule*>::size_type i = 0; i < remaining.size(); i++) {
if (*rule == *(remaining[i]))
return true;
}
return false;
}
std::string State::toString() {
std::string concat = "";
concat += "State " + intToString(number) + ":\n";
for (std::vector<ParseRule*>::size_type j = 0; j < basis.size(); j++) {
concat += "\t" + basis[j]->toString() + "\n";
}
for (std::vector<ParseRule*>::size_type j = 0; j < remaining.size(); j++) {
concat += "\t+\t" + remaining[j]->toString() + "\n";
}
return concat;
}
void State::addParents(std::vector<State*>* parents) {
bool alreadyIn = false;
for (std::vector<State*>::size_type i = 0; i < parents->size(); i++) {
alreadyIn = false;
for (std::vector<State*>::size_type j = 0; j < this->parents.size(); j++) {
if (this->parents[j]->basisEquals(*((*parents)[i]))) {
alreadyIn = true;
break;
}
}
if (!alreadyIn)
this->parents.push_back((*parents)[i]);
}
}
std::vector<State*>* State::getParents() {
return &parents;
}
std::vector<State*>* State::getDeepParents(int depth) {
if (depth == 1)
return &parents;
std::vector<State*>* recursiveParents = new std::vector<State*>();
std::vector<State*>* recursiveParentsToAdd;
for (std::vector<State*>::size_type i = 0; i < parents.size(); i++) {
recursiveParentsToAdd = parents[i]->getDeepParents(depth-1);
recursiveParents->insert(recursiveParents->end(), recursiveParentsToAdd->begin(), recursiveParentsToAdd->end());
}
return recursiveParents;
}