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fragment.cpp
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fragment.cpp
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#include "fragment.hpp"
#include <iostream>
Fragment::Fragment()
{
m_last = -1;
}
void Fragment::set(string val)
{
m_key = val;
}
void Fragment::add( string val)
{
if ( m_last < MAX-1)
{
int index = exists(val);
if ( index < 0)
{
struct word tmp;
tmp.data = val;
tmp.weight = 1;
m_data[m_last+1] = tmp;
m_last++;
}
else
{
m_data[index].weight++;
}
}
}
string Fragment::key()
{
return m_key;
}
string Fragment::get()
{
int ttl = total();
int choice = rand()%ttl;
int i = 0;
for ( ; choice > 0 && i <= m_last; i++)
{
choice -= m_data[i].weight;
}
if (i == 1) i--;
return m_data[i].data;
}
void Fragment::print()
{
cout << m_key << ":\n";
for (int i = 0; i <= m_last; i++)
{
cout << " " << m_data[i].data << " (" << m_data[i].weight << ")" << endl;
}
}
int Fragment::total()
{
int ttl = 0;
for ( int i = 0; i <= m_last; i++)
{
ttl += m_data[i].weight;
}
return ttl;
}
int Fragment::exists( string val)
{
for (int i = 0; i <= m_last; i++)
{
if ( val == m_data[i].data) return i;
}
return -1;
}