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#ifndef _FREQDICT_H_
#define _FREQDICT_H_
#include <iostream>
#include <map>
#include <string>
#include "wordid.h"
#include "filelib.h"
#include "tdict.h"
template <typename T = float>
class FreqDict {
public:
FreqDict() : max_() {}
T Max() const { return max_; }
void Load(const std::string& fname) {
std::cerr << "Reading word statistics from: " << fname << std::endl;
ReadFile rf(fname);
std::istream& ifs = *rf.stream();
int cc=0;
std::string word;
while (ifs) {
ifs >> word;
if (word.size() == 0) continue;
if (word[0] == '#') continue;
T count = 0;
ifs >> count;
if (count > max_) max_ = count;
counts_[TD::Convert(word)]=count;
++cc;
if (cc % 10000 == 0) { std::cerr << "."; }
}
std::cerr << "\n";
std::cerr << "Loaded " << cc << " words\n";
}
T LookUp(const WordID& word) const {
typename std::map<WordID,T>::const_iterator i = counts_.find(word);
if (i == counts_.end()) return T();
return i->second;
}
private:
T max_;
std::map<WordID, T> counts_;
};
#endif
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