autoText/cpp/LexFreq.cpp
2023-08-21 08:40:23 +02:00

45 lines
750 B
C++

#include <iostream>
#include <string>
#include <cstring>
#include <map>
#include <ctype.h>
#include "LexFreq.hpp"
using namespace std;
// ========================================
ostream&
operator << (ostream& os, const LexFreq &freqLex) {
os << " size = " << freqLex.size << endl;
for (const auto& [key, value]: freqLex.hist)
os << key << " = " << value << endl;
return os;
}
LexFreq::LexFreq () :
size (0) {
}
void
LexFreq::addChar (const string &c) {
++hist [c];
++size;
}
string
LexFreq::getChar () const {
if (!size)
return "*";
long r (rand () % size);
for (const auto& [key, value]: hist) {
if (r <= value)
return key;
r -= value;
}
return "*";
}
// ========================================