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split.cc
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split.cc
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#include <algorithm>
#include <cctype>
#include <string>
#include <vector>
#include "split.h"
using std::find_if;
using std::string;
using std::vector;
#ifndef _MSC_VER
using std::isspace;
#endif
// `true' if the argument is whitespace, `false' otherwise
bool space(char c)
{
return isspace(c);
}
// `false' if the argument is whitespace, `true' otherwise
bool not_space(char c)
{
return !isspace(c);
}
vector<string> split(const string& str)
{
typedef string::const_iterator iter;
vector<string> ret;
iter i = str.begin();
while (i != str.end()) {
// ignore leading blanks
i = find_if(i, str.end(), not_space);
// find end of next word
iter j = find_if(i, str.end(), space);
// copy the characters in `[i,' `j)'
if (i != str.end())
ret.push_back(string(i, j));
i = j;
}
return ret;
}