String.h

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#ifndef HYPERTABLE_STRING_H
#define HYPERTABLE_STRING_H

#include <string>
#include <sstream>

namespace Hypertable {
  typedef std::string String;
  typedef long unsigned int Lu;         // shortcut for printf format
  typedef long long unsigned int Llu;   // ditto
  typedef long long int Lld;            // ditto

  String format(const char *fmt, ...) __attribute__((format (printf, 1, 2)));

  String format_number(int64_t n, int sep = ',');

  String
  format_bytes(size_t n, const void *buf, size_t len,
               const char *trailer = "...");

  template <class SequenceT>
  String format_list(const SequenceT &seq, const char *sep = ", ") {
    typedef typename SequenceT::const_iterator Iterator;
    Iterator it = seq.begin(), end = seq.end();
    std::ostringstream out;
    out <<'[';

    if (it != end) {
      out << *it;
      ++it;
    }
    for (; it != end; ++it)
      out << sep << *it;

    out <<']';
    return out.str();
  }

} // namespace Hypertable

#endif // HYPERTABLE_STRING_H