remove ceph code

[stor4nfv.git] / src / ceph / src / common / iso_8601.cc

diff --git a/src/ceph/src/common/iso_8601.cc b/src/ceph/src/common/iso_8601.cc
deleted file mode 100644 (file)
index 39e00e0..0000000
--- a/src/ceph/src/common/iso_8601.cc
+++ /dev/null
@@ -1,200 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#include "iso_8601.h"
-#include "include/timegm.h"
-
-#include <sstream>
-
-namespace ceph {
-using std::chrono::duration_cast;
-using std::chrono::nanoseconds;
-using std::chrono::seconds;
-using std::setw;
-using std::size_t;
-using std::stringstream;
-using std::string;
-using std::uint16_t;
-
-using boost::none;
-using boost::optional;
-using boost::string_ref;
-
-using ceph::real_clock;
-using ceph::real_time;
-
-using sriter = string_ref::const_iterator;
-
-namespace {
-// This assumes a contiguous block of numbers in the correct order.
-uint16_t digit(char c) {
-  if (!(c >= '0' && c <= '9')) {
-    throw std::invalid_argument("Not a digit.");
-  }
-  return static_cast<uint16_t>(c - '0');
-}
-
-optional<real_time> calculate(const tm& t, uint32_t n = 0) {
-  ceph_assert(n < 1000000000);
-  time_t tt = internal_timegm(&t);
-  if (tt == static_cast<time_t>(-1)) {
-    return none;
-  }
-
-  return boost::make_optional<real_time>(real_clock::from_time_t(tt)
-                                         + nanoseconds(n));
-}
-}
-
-optional<real_time> from_iso_8601(const string_ref s,
-                                 const bool ws_terminates) noexcept {
-  auto end = s.cend();
-  auto read_digit = [end](sriter& c) mutable {
-    if (c == end) {
-      throw std::invalid_argument("End of input.");
-    }
-    auto f = digit(*c);
-    ++c;
-    return f;
-  };
-
-  auto read_digits = [end, &read_digit](sriter& c, std::size_t n) {
-    auto v = 0ULL;
-    for (auto i = 0U; i < n; ++i) {
-      auto d = read_digit(c);
-      v = (10ULL * v) + d;
-    }
-    return v;
-  };
-  auto partial_date = [end, ws_terminates](sriter& c) {
-    return (c == end || (ws_terminates && std::isspace(*c)));
-  };
-  auto time_end = [end, ws_terminates](sriter& c) {
-    return (c != end && *c == 'Z' &&
-           ((c + 1) == end ||
-            (ws_terminates && std::isspace(*(c + 1)))));
-  };
-  auto consume_delimiter = [end](sriter& c, char q) {
-    if (c == end || *c != q) {
-      throw std::invalid_argument("Expected delimiter not found.");
-    } else {
-      ++c;
-    }
-  };
-
-  tm t = { 0, // tm_sec
-          0, // tm_min
-          0, // tm_hour
-          1, // tm_mday
-          0, // tm_mon
-          70, // tm_year
-          0, // tm_wday
-          0, // tm_yday
-          0, // tm_isdst
-  };
-  try {
-    auto c = s.cbegin();
-    {
-      auto y = read_digits(c, 4);
-      if (y < 1970) {
-       return none;
-      }
-      t.tm_year = y - 1900;
-    }
-    if (partial_date(c)) {
-      return calculate(t, 0);
-    }
-
-    consume_delimiter(c, '-');
-    t.tm_mon = (read_digits(c, 2) - 1);
-    if (partial_date(c)) {
-      return calculate(t);
-    }
-    consume_delimiter(c, '-');
-    t.tm_mday = read_digits(c, 2);
-    if (partial_date(c)) {
-      return calculate(t);
-    }
-    consume_delimiter(c, 'T');
-    t.tm_hour = read_digits(c, 2);
-    if (time_end(c)) {
-      return calculate(t);
-    }
-    consume_delimiter(c, ':');
-    t.tm_min = read_digits(c, 2);
-    if (time_end(c)) {
-      return calculate(t);
-    }
-    consume_delimiter(c, ':');
-    t.tm_sec = read_digits(c, 2);
-    if (time_end(c)) {
-      return calculate(t);
-    }
-    consume_delimiter(c, '.');
-
-    auto n = 0UL;
-    auto multiplier = 100000000UL;
-    for (auto i = 0U; i < 9U; ++i) {
-      auto d = read_digit(c);
-      n += d * multiplier;
-      multiplier /= 10;
-      if (time_end(c)) {
-       return calculate(t, n);
-      }
-    }
-  } catch (std::invalid_argument& e) {
-    // fallthrough
-  }
-  return none;
-}
-
-string to_iso_8601(const real_time t,
-                  const iso_8601_format f) noexcept {
-  ceph_assert(f >= iso_8601_format::Y &&
-             f <= iso_8601_format::YMDhmsn);
-  stringstream out(std::ios_base::out);
-
-  auto sec = real_clock::to_time_t(t);
-  auto nsec = duration_cast<nanoseconds>(t.time_since_epoch() %
-                                        seconds(1)).count();
-
-  struct tm bt;
-  gmtime_r(&sec, &bt);
-  out.fill('0');
-
-  out << 1900 + bt.tm_year;
-  if (f == iso_8601_format::Y) {
-    return out.str();
-  }
-
-  out << '-' << setw(2) << bt.tm_mon + 1;
-  if (f == iso_8601_format::YM) {
-    return out.str();
-  }
-
-  out << '-' << setw(2) << bt.tm_mday;
-  if (f == iso_8601_format::YMD) {
-    return out.str();
-  }
-
-  out << 'T' << setw(2) << bt.tm_hour;
-  if (f == iso_8601_format::YMDh) {
-    out << 'Z';
-    return out.str();
-  }
-
-  out << ':' << setw(2) << bt.tm_min;
-  if (f == iso_8601_format::YMDhm) {
-    out << 'Z';
-    return out.str();
-  }
-
-  out << ':' << setw(2) << bt.tm_sec;
-  if (f == iso_8601_format::YMDhms) {
-    out << 'Z';
-    return out.str();
-  }
-  out << '.' << setw(9) << nsec << 'Z';
-  return out.str();
-}
-}