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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libstdc++-v3/] [docs/] [html/] [21_strings/] [stringtok_std_h.txt] - Rev 20
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/*
* Same as stringtok_h.txt, but doesn't (visiably) use C functions.
*/
#include <string>
// The std:: prefix is not used here, for readability, and a line like
// "using namespace std;" is dangerous to have in a header file.
template <typename Container>
void
stringtok (Container &container, string const &in,
const char * const delimiters = " \t\n")
{
const string::size_type len = in.length();
string::size_type i = 0;
while ( i < len )
{
// eat leading whitespace
i = in.find_first_not_of (delimiters, i);
if (i == string::npos)
return; // nothing left but white space
// find the end of the token
string::size_type j = in.find_first_of (delimiters, i);
// push token
if (j == string::npos) {
container.push_back (in.substr(i));
return;
} else
container.push_back (in.substr(i, j-i));
// set up for next loop
i = j + 1;
}
}