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Protect undocumented constructors

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This commit is contained in:
Howard Hinnant 2016-05-28 14:09:46 -04:00
parent c0de8dc843
commit 67c31d794e
2 changed files with 16 additions and 6 deletions
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13
tz.cpp
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@ -126,6 +126,11 @@ CONSTDATA auto max_day = date::dec/31;
// | End Configuration |
// +-------------------+
namespace detail
{
class undocumented {explicit undocumented() = default;};
}
#ifndef _MSC_VER
static_assert(min_year <= max_year, "Configuration error");
#endif
@ -1262,7 +1267,7 @@ time_zone::zonelet::zonelet(const zonelet& i)
#endif
}
time_zone::time_zone(const std::string& s)
time_zone::time_zone(const std::string& s, detail::undocumented)
#if LAZY_INIT
: adjusted_(new std::once_flag{})
#endif
@ -1923,7 +1928,7 @@ operator<<(std::ostream& os, const Link& x)
// Leap
Leap::Leap(const std::string& s)
Leap::Leap(const std::string& s, detail::undocumented)
{
using namespace date;
std::istringstream in(s);
@ -2146,12 +2151,12 @@ init_tzdb()
}
else if (word == "Leap")
{
db.leaps.push_back(Leap(line));
db.leaps.push_back(Leap(line, detail::undocumented{}));
continue_zone = false;
}
else if (word == "Zone")
{
db.zones.push_back(time_zone(line));
db.zones.push_back(time_zone(line, detail::undocumented{}));
continue_zone = true;
}
else if (line[0] == '\t' && continue_zone)

9
tz.h
View File

@ -99,6 +99,11 @@ namespace date
enum class choose {earliest, latest};
namespace detail
{
class undocumented;
}
class nonexistent_local_time
: public std::runtime_error
{
@ -321,7 +326,7 @@ public:
time_zone& operator=(time_zone&& src);
#endif // defined(_MSC_VER) && (_MSC_VER < 1900)
explicit time_zone(const std::string& s);
explicit time_zone(const std::string& s, detail::undocumented);
const std::string& name() const;
@ -517,7 +522,7 @@ private:
sys_seconds date_;
public:
explicit Leap(const std::string& s);
explicit Leap(const std::string& s, detail::undocumented);
sys_seconds date() const {return date_;}