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#include "vocabulary.h"
namespace extractor {
Vocabulary::~Vocabulary() {}
int Vocabulary::GetTerminalIndex(const string& word) {
if (!dictionary.count(word)) {
int word_id = words.size();
dictionary[word] = word_id;
words.push_back(word);
return word_id;
}
return dictionary[word];
}
int Vocabulary::GetNonterminalIndex(int position) {
return -position;
}
bool Vocabulary::IsTerminal(int symbol) {
return symbol >= 0;
}
string Vocabulary::GetTerminalValue(int symbol) {
return words[symbol];
}
int Vocabulary::Size() {
return words.size();
}
} // namespace extractor
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