school/cs142/smcquay/lab06/sm_array.cc
2016-04-06 20:45:34 -07:00

66 lines
1.2 KiB
C++

#include <algorithm>
#include "sm_array.h"
garray::garray(): size(0) {};
bool garray::add(string name) {
if(name == "") {
throw string("cannot add empty string");
}
if((not contains(name)) and size < MAX_DATA_SIZE) {
data[size] = name;
size++;
return true;
}
else {
return false;
}
}
bool garray::contains(string name) {
for(int i = 0; i < size; i++) {
if(name == data[i])
return true;
}
return false;
}
bool garray::remove(string name) {
bool reduce = false;
if(contains(name)) {
reduce = true;
}
else {
return reduce;
}
garray tmp;
for(int i = 0; i < size; i++) {
if(data[i] != name) {
tmp.add(data[i]);
}
}
for(int i = 0; i < MAX_DATA_SIZE; i++) {
data[i] = tmp.data[i];
}
if(reduce)
size--;
return reduce;
}
void garray::randomize() {
random_shuffle(&data[0], &data[size]);
}
ostream & operator<<(ostream & os, garray & g) {
os << "[";
for(int i = 0; i < g.size; i++) {
os << i << "-" << g.data[i];
if (i != g.size - 1) {
os << ", ";
}
}
os << "]";
return os;
}