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Rename TZ_DB to tzdb

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* Bring into alignment with proposal
* TZ_DB alias left behind for backwards compatibility
This commit is contained in:
Howard Hinnant 2017-09-30 14:48:25 -04:00
parent 22a229af91
commit 3acb299f3f
2 changed files with 37 additions and 35 deletions
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38
include/date/tz.h
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@ -1163,7 +1163,7 @@ struct timezone_mapping
#endif // _WIN32 #endif // _WIN32
struct TZ_DB struct tzdb
{ {
std::string version = "unknown"; std::string version = "unknown";
std::vector<time_zone> zones; std::vector<time_zone> zones;
@ -1179,14 +1179,14 @@ struct TZ_DB
#ifdef _WIN32 #ifdef _WIN32
std::vector<detail::timezone_mapping> mappings; std::vector<detail::timezone_mapping> mappings;
#endif #endif
TZ_DB* next = nullptr; tzdb* next = nullptr;
TZ_DB() = default; tzdb() = default;
#if !defined(_MSC_VER) || (_MSC_VER >= 1900) #if !defined(_MSC_VER) || (_MSC_VER >= 1900)
TZ_DB(TZ_DB&&) = default; tzdb(tzdb&&) = default;
TZ_DB& operator=(TZ_DB&&) = default; tzdb& operator=(tzdb&&) = default;
#else // defined(_MSC_VER) && (_MSC_VER < 1900) #else // defined(_MSC_VER) && (_MSC_VER < 1900)
TZ_DB(TZ_DB&& src) tzdb(tzdb&& src)
: version(std::move(src.version)) : version(std::move(src.version))
, zones(std::move(src.zones)) , zones(std::move(src.zones))
, links(std::move(src.links)) , links(std::move(src.links))
@ -1195,7 +1195,7 @@ struct TZ_DB
, mappings(std::move(src.mappings)) , mappings(std::move(src.mappings))
{} {}
TZ_DB& operator=(TZ_DB&& src) tzdb& operator=(tzdb&& src)
{ {
version = std::move(src.version); version = std::move(src.version);
zones = std::move(src.zones); zones = std::move(src.zones);
@ -1215,22 +1215,24 @@ struct TZ_DB
const time_zone* current_zone() const; const time_zone* current_zone() const;
}; };
DATE_API std::ostream& using TZ_DB = tzdb;
operator<<(std::ostream& os, const TZ_DB& db);
DATE_API const TZ_DB& get_tzdb(); DATE_API std::ostream&
operator<<(std::ostream& os, const tzdb& db);
DATE_API const tzdb& get_tzdb();
class tzdb_list class tzdb_list
{ {
std::atomic<TZ_DB*> head_{nullptr}; std::atomic<tzdb*> head_{nullptr};
public: public:
~tzdb_list(); ~tzdb_list();
tzdb_list() = default; tzdb_list() = default;
tzdb_list(tzdb_list&& x) noexcept; tzdb_list(tzdb_list&& x) noexcept;
const TZ_DB& front() const noexcept {return *head_;} const tzdb& front() const noexcept {return *head_;}
TZ_DB& front() noexcept {return *head_;} tzdb& front() noexcept {return *head_;}
class const_iterator; class const_iterator;
@ -1244,19 +1246,19 @@ public:
struct undocumented_helper; struct undocumented_helper;
private: private:
void push_front(TZ_DB* tzdb) noexcept; void push_front(tzdb* tzdb) noexcept;
}; };
class tzdb_list::const_iterator class tzdb_list::const_iterator
{ {
TZ_DB* p_ = nullptr; tzdb* p_ = nullptr;
explicit const_iterator(TZ_DB* p) noexcept : p_{p} {} explicit const_iterator(tzdb* p) noexcept : p_{p} {}
public: public:
const_iterator() = default; const_iterator() = default;
using iterator_category = std::forward_iterator_tag; using iterator_category = std::forward_iterator_tag;
using value_type = TZ_DB; using value_type = tzdb;
using reference = const value_type&; using reference = const value_type&;
using pointer = const value_type*; using pointer = const value_type*;
using difference_type = std::ptrdiff_t; using difference_type = std::ptrdiff_t;
@ -1312,7 +1314,7 @@ DATE_API tzdb_list& get_tzdb_list();
#if !USE_OS_TZDB #if !USE_OS_TZDB
DATE_API const TZ_DB& reload_tzdb(); DATE_API const tzdb& reload_tzdb();
DATE_API void set_install(const std::string& install); DATE_API void set_install(const std::string& install);
#endif // !USE_OS_TZDB #endif // !USE_OS_TZDB

32
src/tz.cpp
View File

@ -359,11 +359,11 @@ struct undocumented {explicit undocumented() = default;};
static_assert(min_year <= max_year, "Configuration error"); static_assert(min_year <= max_year, "Configuration error");
#endif #endif
static std::unique_ptr<TZ_DB> init_tzdb(); static std::unique_ptr<tzdb> init_tzdb();
tzdb_list::~tzdb_list() tzdb_list::~tzdb_list()
{ {
const TZ_DB* ptr = head_; const tzdb* ptr = head_;
head_ = nullptr; head_ = nullptr;
while (ptr != nullptr) while (ptr != nullptr)
{ {
@ -379,7 +379,7 @@ tzdb_list::tzdb_list(tzdb_list&& x) noexcept
} }
void void
tzdb_list::push_front(TZ_DB* tzdb) noexcept tzdb_list::push_front(tzdb* tzdb) noexcept
{ {
tzdb->next = head_; tzdb->next = head_;
head_ = tzdb; head_ = tzdb;
@ -396,7 +396,7 @@ tzdb_list::erase_after(const_iterator p) noexcept
struct tzdb_list::undocumented_helper struct tzdb_list::undocumented_helper
{ {
static void push_front(tzdb_list& db_list, TZ_DB* tzdb) noexcept static void push_front(tzdb_list& db_list, tzdb* tzdb) noexcept
{ {
db_list.push_front(tzdb); db_list.push_front(tzdb);
} }
@ -2573,10 +2573,10 @@ get_version()
# endif # endif
static static
std::unique_ptr<TZ_DB> std::unique_ptr<tzdb>
init_tzdb() init_tzdb()
{ {
std::unique_ptr<TZ_DB> db(new TZ_DB); std::unique_ptr<tzdb> db(new tzdb);
//Iterate through folders //Iterate through folders
std::queue<std::string> subfolders; std::queue<std::string> subfolders;
@ -3280,7 +3280,7 @@ get_version(const std::string& path)
} }
static static
std::unique_ptr<TZ_DB> std::unique_ptr<tzdb>
init_tzdb() init_tzdb()
{ {
using namespace date; using namespace date;
@ -3288,7 +3288,7 @@ init_tzdb()
const std::string path = install + folder_delimiter; const std::string path = install + folder_delimiter;
std::string line; std::string line;
bool continue_zone = false; bool continue_zone = false;
std::unique_ptr<TZ_DB> db(new TZ_DB); std::unique_ptr<tzdb> db(new tzdb);
#if AUTO_DOWNLOAD #if AUTO_DOWNLOAD
if (!file_exists(install)) if (!file_exists(install))
@ -3405,7 +3405,7 @@ init_tzdb()
return db; return db;
} }
const TZ_DB& const tzdb&
reload_tzdb() reload_tzdb()
{ {
#if AUTO_DOWNLOAD #if AUTO_DOWNLOAD
@ -3419,7 +3419,7 @@ reload_tzdb()
#endif // !USE_OS_TZDB #endif // !USE_OS_TZDB
const TZ_DB& const tzdb&
get_tzdb() get_tzdb()
{ {
return get_tzdb_list().front(); return get_tzdb_list().front();
@ -3427,9 +3427,9 @@ get_tzdb()
const time_zone* const time_zone*
#if HAS_STRING_VIEW #if HAS_STRING_VIEW
TZ_DB::locate_zone(std::string_view tz_name) const tzdb::locate_zone(std::string_view tz_name) const
#else #else
TZ_DB::locate_zone(const std::string& tz_name) const tzdb::locate_zone(const std::string& tz_name) const
#endif #endif
{ {
auto zi = std::lower_bound(zones.begin(), zones.end(), tz_name, auto zi = std::lower_bound(zones.begin(), zones.end(), tz_name,
@ -3482,7 +3482,7 @@ locate_zone(const std::string& tz_name)
#if USE_OS_TZDB #if USE_OS_TZDB
std::ostream& std::ostream&
operator<<(std::ostream& os, const TZ_DB& db) operator<<(std::ostream& os, const tzdb& db)
{ {
os << "Version: " << db.version << "\n\n"; os << "Version: " << db.version << "\n\n";
for (const auto& x : db.zones) for (const auto& x : db.zones)
@ -3498,7 +3498,7 @@ operator<<(std::ostream& os, const TZ_DB& db)
#else // !USE_OS_TZDB #else // !USE_OS_TZDB
std::ostream& std::ostream&
operator<<(std::ostream& os, const TZ_DB& db) operator<<(std::ostream& os, const tzdb& db)
{ {
os << "Version: " << db.version << '\n'; os << "Version: " << db.version << '\n';
std::string title("--------------------------------------------" std::string title("--------------------------------------------"
@ -3579,7 +3579,7 @@ getTimeZoneKeyName()
} }
const time_zone* const time_zone*
TZ_DB::current_zone() const tzdb::current_zone() const
{ {
std::string win_tzid = getTimeZoneKeyName(); std::string win_tzid = getTimeZoneKeyName();
std::string standard_tzid; std::string standard_tzid;
@ -3597,7 +3597,7 @@ TZ_DB::current_zone() const
#else // !_WIN32 #else // !_WIN32
const time_zone* const time_zone*
TZ_DB::current_zone() const tzdb::current_zone() const
{ {
// On some OS's a file called /etc/localtime may // On some OS's a file called /etc/localtime may
// exist and it may be either a real file // exist and it may be either a real file