Merge pull request #2037 from est31/use-local-win

Time zone support

6 files changed, 111 insertions, 19 deletions

diff --git a/platform/nacl/os_nacl.cpp b/platform/nacl/os_nacl.cpp
index ffa9915256..b282209d72 100644
--- a/platform/nacl/os_nacl.cpp
+++ b/platform/nacl/os_nacl.cpp
@@ -240,10 +240,14 @@ MainLoop *OSNacl::get_main_loop() const {
 	return main_loop;
 };
 
-OS::Date OSNacl::get_date() const {
+OS::Date OSNacl::get_date(bool utc) const {
 
 	time_t t=time(NULL);
-	struct tm *lt=localtime(&t);
+	struct tm *lt;
+	if (utc)
+		lt=gmtime(&t);
+	else
+		lt=localtime(&t);
 	Date ret;
 	ret.year=lt->tm_year;
 	ret.month=(Month)lt->tm_mon;
@@ -254,10 +258,14 @@ OS::Date OSNacl::get_date() const {
 	return ret;
 };
 
-OS::Time OSNacl::get_time() const {
+OS::Time OSNacl::get_time(bool utc) const {
 
 	time_t t=time(NULL);
-	struct tm *lt=localtime(&t);
+	struct tm *lt;
+	if (utc)
+		lt=gmtime(&t);
+	else
+		lt=localtime(&t);
 	Time ret;
 	ret.hour=lt->tm_hour;
 	ret.min=lt->tm_min;
@@ -265,6 +273,32 @@ OS::Time OSNacl::get_time() const {
 	return ret;
 };
 
+OS::TimeZoneInfo OS_Unix::get_time_zone_info() const {
+	time_t t = time(NULL);
+	struct tm *lt = localtime(&t);
+	char name[16];
+	strftime(name, 16, "%Z", lt);
+	name[15] = 0;
+	TimeZoneInfo ret;
+	ret.name = name;
+
+	char bias_buf[16];
+	strftime(bias_buf, 16, "%z", lt);
+	int bias;
+	bias_buf[15] = 0;
+	sscanf(bias_buf, "%d", &bias);
+
+	// convert from ISO 8601 (1 minute=1, 1 hour=100) to minutes
+	int hour = (int)bias / 100;
+	int minutes = bias % 100;
+	if (bias < 0)
+		ret.bias = hour * 60 - minutes;
+	else
+		ret.bias = hour * 60 + minutes;
+
+	return ret;
+};
+
 void OSNacl::delay_usec(uint32_t p_usec) const {
 
 	//usleep(p_usec);
diff --git a/platform/nacl/os_nacl.h b/platform/nacl/os_nacl.h
index 1150b12edd..e033abb68d 100644
--- a/platform/nacl/os_nacl.h
+++ b/platform/nacl/os_nacl.h
@@ -137,8 +137,8 @@ public:
 
 	virtual MainLoop *get_main_loop() const;
 
-	virtual Date get_date() const;
-	virtual Time get_time() const;
+	virtual Date get_date(bool utc) const;
+	virtual Time get_time(bool utc) const;
 
 	virtual void delay_usec(uint32_t p_usec) const;
 	virtual uint64_t get_ticks_usec() const;
diff --git a/platform/windows/os_windows.cpp b/platform/windows/os_windows.cpp
index 4e8f9fcd9b..cdf9b007d1 100644
--- a/platform/windows/os_windows.cpp
+++ b/platform/windows/os_windows.cpp
@@ -1832,7 +1832,10 @@ String OS_Windows::get_name() {
 OS::Date OS_Windows::get_date() const {
 
 	SYSTEMTIME systemtime;
-	GetSystemTime(&systemtime);
+	if (local)
+		GetSystemTime(&systemtime);
+	else
+		GetLocalTime(&systemtime);
 	Date date;
 	date.day=systemtime.wDay;
 	date.month=Month(systemtime.wMonth);
@@ -1841,10 +1844,13 @@ OS::Date OS_Windows::get_date() const {
 	date.dst=false;
 	return date;
 }
-OS::Time OS_Windows::get_time() const {
+OS::Time OS_Windows::get_time(bool utc) const {
 
 	SYSTEMTIME systemtime;
-	GetLocalTime(&systemtime);
+	if (utc)
+		GetSystemTime(&systemtime);
+	else
+		GetLocalTime(&systemtime);
 
 	Time time;
 	time.hour=systemtime.wHour;
@@ -1852,8 +1858,38 @@ OS::Time OS_Windows::get_time() const {
 	time.sec=systemtime.wSecond;
 	return time;
 }
+OS::Time OS_Windows::get_time(bool utc) const {
+
+	SYSTEMTIME systemtime;
+	if (utc)
+		GetSystemTime(&systemtime);
+	else
+		GetLocalTime(&systemtime);
+
+	Time time;
+	time.hour=systemtime.wHour;
+	time.min=systemtime.wMinute;
+	time.sec=systemtime.wSecond;
+	return time;
+}
+
+OS::TimeZoneInfo OS_Windows::get_time_zone_info() const {
+	TIME_ZONE_INFORMATION info;
+	bool daylight = false;
+	if (GetTimeZoneInformation(info) == TIME_ZONE_ID_DAYLIGHT)
+		daylight = true;
+
+	if (daylight) {
+		ret.name = info.DaylightName;
+	} else {
+		ret.name = info.StandardName;
+	}
+
+	ret.bias = info.Bias;
+	return ret;
+}
 
-uint64_t OS_Windows::get_unix_time() const {
+uint64_t OS_Windows::get_unix_time(bool local) const {
 
 	FILETIME ft;
 	SYSTEMTIME st;
diff --git a/platform/windows/os_windows.h b/platform/windows/os_windows.h
index 64fbbf23c0..6b2eb19a76 100644
--- a/platform/windows/os_windows.h
+++ b/platform/windows/os_windows.h
@@ -259,8 +259,8 @@ public:
 
 	virtual String get_name();
 	
-	virtual Date get_date() const;
-	virtual Time get_time() const;
+	virtual Date get_date(bool utc) const;
+	virtual Time get_time(bool utc) const;
 	virtual uint64_t get_unix_time() const;
 
 	virtual bool can_draw() const;
diff --git a/platform/winrt/os_winrt.cpp b/platform/winrt/os_winrt.cpp
index 21a77b89cb..24037f05d7 100644
--- a/platform/winrt/os_winrt.cpp
+++ b/platform/winrt/os_winrt.cpp
@@ -445,7 +445,7 @@ String OSWinrt::get_name() {
 OS::Date OSWinrt::get_date() const {
 
 	SYSTEMTIME systemtime;
-	GetSystemTime(&systemtime);
+	GetLocalTime(&systemtime);
 	Date date;
 	date.day=systemtime.wDay;
 	date.month=Month(systemtime.wMonth);
@@ -454,10 +454,13 @@ OS::Date OSWinrt::get_date() const {
 	date.dst=false;
 	return date;
 }
-OS::Time OSWinrt::get_time() const {
+OS::Time OSWinrt::get_time(bool utc) const {
 
 	SYSTEMTIME systemtime;
-	GetSystemTime(&systemtime);
+	if (utc)
+		GetSystemTime(&systemtime);
+	else
+		GetLocalTime(&systemtime);
 
 	Time time;
 	time.hour=systemtime.wHour;
@@ -466,11 +469,30 @@ OS::Time OSWinrt::get_time() const {
 	return time;
 }
 
-uint64_t OSWinrt::get_unix_time() const {
+OS::TimeZoneInfo OS_Windows::get_time_zone_info() const {
+	TIME_ZONE_INFORMATION info;
+	bool daylight = false;
+	if (GetTimeZoneInformation(info) == TIME_ZONE_ID_DAYLIGHT)
+		daylight = true;
+
+	if (daylight) {
+		ret.name = info.DaylightName;
+	} else {
+		ret.name = info.StandardName;
+	}
+
+	ret.bias = info.Bias;
+	return ret;
+}
+
+uint64_t OSWinrt::get_unix_time(bool utc) const {
 
 	FILETIME ft;
 	SYSTEMTIME st;
-	GetSystemTime(&st);
+	if (utc)
+		GetSystemTime(&systemtime);
+	else
+		GetLocalTime(&systemtime);
 	SystemTimeToFileTime(&st, &ft);
 
 	SYSTEMTIME ep;
diff --git a/platform/winrt/os_winrt.h b/platform/winrt/os_winrt.h
index 68236309a9..af44bd338e 100644
--- a/platform/winrt/os_winrt.h
+++ b/platform/winrt/os_winrt.h
@@ -198,8 +198,8 @@ public:
 
 	virtual String get_name();
 	
-	virtual Date get_date() const;
-	virtual Time get_time() const;
+	virtual Date get_date(bool utc) const;
+	virtual Time get_time(bool utc) const;
 	virtual uint64_t get_unix_time() const;
 
 	virtual bool can_draw() const;