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#include <assert.h>

#include "tools/windows/converter_exe/tokenizer.h"

namespace crash {

// static
void Tokenizer::Tokenize(const string& delimiters, const string& input,
                        vector<string>* output) {
  assert(output);
  output->clear();

  string::size_type position = 0;  // Where to begin looking for a delimiter
  string::size_type new_position;  // Position of found delimiter
  string token;

  while ((new_position = input.find_first_of(delimiters, position)) !=
         string::npos) {
    token = input.substr(position, new_position - position);
    output->push_back(token);

    // Next time, begin looking right after this delimiter.
    position = new_position + 1;
  }

  // There are no more delimiters in the string.  Take everything from the
  // final delimiter up to the end of the string as a token.  This may be
  // an empty string.
  token = input.substr(position);
  output->push_back(token);
}

}  // namespace crash