/*
- * Copyright (c) 2010 Apple Inc. All rights reserved.
+ * Copyright (c) 2011 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
*/
/* CFTimeZone.c
- Copyright 1998-2002, Apple, Inc. All rights reserved.
+ Copyright (c) 1998-2011, Apple Inc. All rights reserved.
Responsibility: Christopher Kane
*/
-
#include <CoreFoundation/CFTimeZone.h>
#include <CoreFoundation/CFPropertyList.h>
#include <CoreFoundation/CFDateFormatter.h>
#include <string.h>
#include <unicode/ucal.h>
#include <CoreFoundation/CFDateFormatter.h>
-#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_WINDOWS
+#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_LINUX
#include <dirent.h>
#include <unistd.h>
#include <sys/fcntl.h>
+#endif
+#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED
#include <tzfile.h>
-#else
-#error Unknown or unspecified DEPLOYMENT_TARGET
+#elif DEPLOYMENT_TARGET_LINUX
+#ifndef TZDIR
+#define TZDIR "/usr/share/zoneinfo" /* Time zone object file directory */
+#endif /* !defined TZDIR */
+
+#ifndef TZDEFAULT
+#define TZDEFAULT "/etc/localtime"
+#endif /* !defined TZDEFAULT */
+
+struct tzhead {
+ char tzh_magic[4]; /* TZ_MAGIC */
+ char tzh_reserved[16]; /* reserved for future use */
+ char tzh_ttisgmtcnt[4]; /* coded number of trans. time flags */
+ char tzh_ttisstdcnt[4]; /* coded number of trans. time flags */
+ char tzh_leapcnt[4]; /* coded number of leap seconds */
+ char tzh_timecnt[4]; /* coded number of transition times */
+ char tzh_typecnt[4]; /* coded number of local time types */
+ char tzh_charcnt[4]; /* coded number of abbr. chars */
+};
#endif
-#import <Foundation/NSEnumerator.h>
-
-#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED
+#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_LINUX
#define TZZONELINK TZDEFAULT
#define TZZONEINFO TZDIR "/"
#elif DEPLOYMENT_TARGET_WINDOWS
#error Unknown or unspecified DEPLOYMENT_TARGET
#endif
+#if DEPLOYMENT_TARGET_LINUX
+// Symbol aliases
+CF_EXPORT CFStringRef const kCFDateFormatterTimeZone __attribute__((weak, alias ("kCFDateFormatterTimeZoneKey")));
+#endif
+
CONST_STRING_DECL(kCFTimeZoneSystemTimeZoneDidChangeNotification, "kCFTimeZoneSystemTimeZoneDidChangeNotification")
static CFTimeZoneRef __CFTimeZoneSystem = NULL;
RegCloseKey(hkResult);
return result;
}
-#elif DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_WINDOWS
+#elif DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_WINDOWS || DEPLOYMENT_TARGET_LINUX
static CFMutableArrayRef __CFCopyRecursiveDirectoryList() {
CFMutableArrayRef result = CFArrayCreateMutable(kCFAllocatorSystemDefault, 0, &kCFTypeArrayCallBacks);
#if DEPLOYMENT_TARGET_WINDOWS
bufp[3] = (value >> 0) & 0xff;
}
-#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_WINDOWS_SYNC
static Boolean __CFParseTimeZoneData(CFAllocatorRef allocator, CFDataRef data, CFTZPeriod **tzpp, CFIndex *cntp) {
int32_t len, timecnt, typecnt, charcnt, idx, cnt;
const uint8_t *p, *timep, *typep, *ttisp, *charp;
}
return result;
}
-#elif DEPLOYMENT_TARGET_WINDOWS_SAFARI
-static Boolean __CFParseTimeZoneData(CFAllocatorRef allocator, CFDataRef data, CFTZPeriod **tzpp, CFIndex *cntp) {
-/* We use Win32 function to find TimeZone
- * (Aleksey Dukhnyakov)
- */
- *tzpp = (CFTZPeriod *)CFAllocatorAllocate(allocator, sizeof(CFTZPeriod), 0);
- memset(*tzpp, 0, sizeof(CFTZPeriod));
- __CFTZPeriodInit(*tzpp, 0, NULL, 0, false);
- *cntp = 1;
- return TRUE;
-}
-#else
-#error Unknown or unspecified DEPLOYMENT_TARGET
-#endif
static Boolean __CFTimeZoneEqual(CFTypeRef cf1, CFTypeRef cf2) {
CFTimeZoneRef tz1 = (CFTimeZoneRef)cf1;
return __kCFTimeZoneTypeID;
}
-
-#if DEPLOYMENT_TARGET_WINDOWS_SYNC
+#if DEPLOYMENT_TARGET_WINDOWS
static const char *__CFTimeZoneWinToOlsonDefaults =
/* Mappings to time zones in Windows Registry are best-guess */
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
}
#endif
-#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_WINDOWS_SYNC
static CFTimeZoneRef __CFTimeZoneCreateSystem(void) {
CFTimeZoneRef result = NULL;
-#if DEPLOYMENT_TARGET_WINDOWS_SYNC
+#if DEPLOYMENT_TARGET_WINDOWS
CFStringRef name = NULL;
TIME_ZONE_INFORMATION tzi = { 0 };
DWORD rval = GetTimeZoneInformation(&tzi);
}
return CFTimeZoneCreateWithTimeIntervalFromGMT(kCFAllocatorSystemDefault, 0.0);
}
-#elif DEPLOYMENT_TARGET_WINDOWS_SAFARI
-static CFTimeZoneRef __CFTimeZoneCreateSystem(void) {
- CFTimeZoneRef result = NULL;
-/* The GetTimeZoneInformation function retrieves the current
- * time-zone parameters for Win32
- * (Aleksey Dukhnyakov)
- */
- CFDataRef data;
- TIME_ZONE_INFORMATION tz;
- DWORD dw_result;
- dw_result=GetTimeZoneInformation(&tz);
-
- if ( dw_result == TIME_ZONE_ID_STANDARD ||
- dw_result == TIME_ZONE_ID_DAYLIGHT ) {
- CFStringRef name = CFStringCreateWithCharacters(kCFAllocatorSystemDefault, (const UniChar *)tz.StandardName, wcslen(tz.StandardName));
- data = CFDataCreate(kCFAllocatorSystemDefault, (UInt8 *)&tz, sizeof(tz));
- result = CFTimeZoneCreate(kCFAllocatorSystemDefault, name, data);
- CFRelease(name);
- CFRelease(data);
- if (result) return result;
- }
- return CFTimeZoneCreateWithTimeIntervalFromGMT(kCFAllocatorSystemDefault, 0.0);
-}
-#else
-#error Unknown or unspecified DEPLOYMENT_TARGET
-#endif
CFTimeZoneRef CFTimeZoneCopySystem(void) {
CFTimeZoneRef tz;
/* TimeZone information locate in the registry for Win32
* (Aleksey Dukhnyakov)
*/
-#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_WINDOWS_SYNC
list = __CFCopyRecursiveDirectoryList();
-#elif DEPLOYMENT_TARGET_WINDOWS_SAFARI
- list = __CFCopyWindowsTimeZoneList();
-#else
-#error Unknown or unspecified DEPLOYMENT_TARGET
-#endif
// Remove undesirable ancient cruft
CFDictionaryRef dict = __CFTimeZoneCopyCompatibilityDictionary();
CFIndex idx;
return tzs;
}
-#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_WINDOWS_SYNC
/* The criteria here are sort of: coverage for the U.S. and Europe,
* large cities, abbreviation uniqueness, and perhaps a few others.
* But do not make the list too large with obscure information.
" <key>WIT</key> <string>Asia/Jakarta</string>"
" </dict>"
" </plist>";
-#elif DEPLOYMENT_TARGET_WINDOWS_SAFARI
-static const char *__CFTimeZoneAbbreviationDefaults =
-/* Mappings to time zones in Windows Registry are best-guess */
-"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
-" <!DOCTYPE plist SYSTEM \"file://localhost/System/Library/DTDs/PropertyList.dtd\">"
-" <plist version=\"1.0\">"
-" <dict>"
-" <key>ADT</key> <string>Atlantic Standard Time</string>"
-" <key>AKDT</key> <string>Alaskan Standard Time</string>"
-" <key>AKST</key> <string>Alaskan Standard Time</string>"
-" <key>ART</key> <string>SA Eastern Standard Time</string>"
-" <key>AST</key> <string>Atlantic Standard Time</string>"
-" <key>BDT</key> <string>Central Asia Standard Time</string>"
-" <key>BRST</key> <string>SA Eastern Standard Time</string>"
-" <key>BRT</key> <string>SA Eastern Standard Time</string>"
-" <key>BST</key> <string>GMT Standard Time</string>"
-" <key>CAT</key> <string>South Africa Standard Time</string>"
-" <key>CDT</key> <string>Central Standard Time</string>"
-" <key>CEST</key> <string>Central Europe Standard Time</string>"
-" <key>CET</key> <string>Central Europe Standard Time</string>"
-" <key>CLST</key> <string>SA Western Standard Time</string>"
-" <key>CLT</key> <string>SA Western Standard Time</string>"
-" <key>COT</key> <string>Central Standard Time</string>"
-" <key>CST</key> <string>Central Standard Time</string>"
-" <key>EAT</key> <string>E. Africa Standard Time</string>"
-" <key>EDT</key> <string>Eastern Standard Time</string>"
-" <key>EEST</key> <string>E. Europe Standard Time</string>"
-" <key>EET</key> <string>E. Europe Standard Time</string>"
-" <key>EST</key> <string>Eastern Standard Time</string>"
-" <key>GMT</key> <string>Greenwich Standard Time</string>"
-" <key>GST</key> <string>Arabian Standard Time</string>"
-" <key>HKT</key> <string>China Standard Time</string>"
-" <key>HST</key> <string>Hawaiian Standard Time</string>"
-" <key>ICT</key> <string>SE Asia Standard Time</string>"
-" <key>IRST</key> <string>Iran Standard Time</string>"
-" <key>IST</key> <string>India Standard Time</string>"
-" <key>JST</key> <string>Tokyo Standard Time</string>"
-" <key>KST</key> <string>Korea Standard Time</string>"
-" <key>MDT</key> <string>Mountain Standard Time</string>"
-" <key>MSD</key> <string>E. Europe Standard Time</string>"
-" <key>MSK</key> <string>E. Europe Standard Time</string>"
-" <key>MST</key> <string>Mountain Standard Time</string>"
-" <key>NZDT</key> <string>New Zealand Standard Time</string>"
-" <key>NZST</key> <string>New Zealand Standard Time</string>"
-" <key>PDT</key> <string>Pacific Standard Time</string>"
-" <key>PET</key> <string>SA Pacific Standard Time</string>"
-" <key>PHT</key> <string>Taipei Standard Time</string>"
-" <key>PKT</key> <string>West Asia Standard Time</string>"
-" <key>PST</key> <string>Pacific Standard Time</string>"
-" <key>SGT</key> <string>Singapore Standard Time</string>"
-" <key>UTC</key> <string>Greenwich Standard Time</string>"
-" <key>WAT</key> <string>W. Central Africa Standard Time</string>"
-" <key>WEST</key> <string>W. Europe Standard Time</string>"
-" <key>WET</key> <string>W. Europe Standard Time</string>"
-" <key>WIT</key> <string>SE Asia Standard Time</string>"
-" </dict>"
-" </plist>";
-#else
-#error Unknown or unspecified DEPLOYMENT_TARGET
-#endif
CFDictionaryRef CFTimeZoneCopyAbbreviationDictionary(void) {
CFDictionaryRef dict;
return dict;
}
+void _removeFromCache(const void *key, const void *value, void *context) {
+ CFDictionaryRemoveValue(__CFTimeZoneCache, (CFStringRef)key);
+}
+
void CFTimeZoneSetAbbreviationDictionary(CFDictionaryRef dict) {
__CFGenericValidateType(dict, CFDictionaryGetTypeID());
__CFTimeZoneLockGlobal();
if (dict != __CFTimeZoneAbbreviationDict) {
if (dict) CFRetain(dict);
if (__CFTimeZoneAbbreviationDict) {
- for (id key in (id)__CFTimeZoneAbbreviationDict) {
- CFDictionaryRemoveValue(__CFTimeZoneCache, (CFStringRef)key);
- }
+ CFDictionaryApplyFunction(__CFTimeZoneAbbreviationDict, _removeFromCache, NULL);
CFRelease(__CFTimeZoneAbbreviationDict);
}
__CFTimeZoneAbbreviationDict = dict;
return memory;
}
-#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_WINDOWS_SYNC
static CFTimeZoneRef __CFTimeZoneCreateFixed(CFAllocatorRef allocator, int32_t seconds, CFStringRef name, int isDST) {
CFTimeZoneRef result;
CFDataRef data;
CFRelease(data);
return result;
}
-#elif DEPLOYMENT_TARGET_WINDOWS_SAFARI
-static CFTimeZoneRef __CFTimeZoneCreateFixed(CFAllocatorRef allocator, int32_t seconds, CFStringRef name, int isDST) {
-/* CFTimeZoneRef->_data will contain TIME_ZONE_INFORMATION structure
- * to find current timezone
- * (Aleksey Dukhnyakov)
- */
- CFTimeZoneRef result;
- TIME_ZONE_INFORMATION tzi;
- CFDataRef data;
- CFIndex length = CFStringGetLength(name);
- memset(&tzi,0,sizeof(tzi));
- tzi.Bias=(long)(-seconds/60);
- CFStringGetCharacters(name, CFRangeMake(0, length < 31 ? length : 31 ), (UniChar *)tzi.StandardName);
- data = CFDataCreate(allocator,(UInt8 *)&tzi, sizeof(tzi));
- result = CFTimeZoneCreate(allocator, name, data);
- CFRelease(data);
- return result;
-}
-#else
-#error Unknown or unspecified DEPLOYMENT_TARGET
-#endif
// rounds offset to nearest minute
CFTimeZoneRef CFTimeZoneCreateWithTimeIntervalFromGMT(CFAllocatorRef allocator, CFTimeInterval ti) {
seconds -= ((ti < 0) ? -hour : hour) * 3600;
minute = (ti < 0) ? (-seconds / 60) : (seconds / 60);
if (fabs(ti) < 1.0) {
-#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_WINDOWS_SYNC
name = (CFStringRef)CFRetain(CFSTR("GMT"));
-#elif DEPLOYMENT_TARGET_WINDOWS_SAFARI
- name = (CFStringRef)CFRetain(CFSTR("Greenwich Standard Time"));
-#else
-#error Unknown or unspecified DEPLOYMENT_TARGET
-#endif
} else {
name = CFStringCreateWithFormat(allocator, NULL, CFSTR("GMT%c%02d%02d"), (ti < 0.0 ? '-' : '+'), hour, minute);
}
}
}
}
-#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_WINDOWS_SYNC
CFURLRef baseURL, tempURL;
void *bytes;
CFIndex length;
-#if DEPLOYMENT_TARGET_WINDOWS_SYNC
+#if DEPLOYMENT_TARGET_WINDOWS
if (!__tzZoneInfo) __InitTZStrings();
if (!__tzZoneInfo) return NULL;
baseURL = CFURLCreateWithFileSystemPath(kCFAllocatorSystemDefault, __tzZoneInfo, kCFURLWindowsPathStyle, true);
CFStringRef mapping = CFDictionaryGetValue(dict, name);
if (mapping) {
name = mapping;
-#if DEPLOYMENT_TARGET_WINDOWS_SYNC
+#if DEPLOYMENT_TARGET_WINDOWS
} else if (CFStringHasPrefix(name, __tzZoneInfo)) {
CFMutableStringRef unprefixed = CFStringCreateMutableCopy(kCFAllocatorSystemDefault, CFStringGetLength(name), name);
CFStringDelete(unprefixed, CFRangeMake(0, CFStringGetLength(__tzZoneInfo)));
}
return result;
}
-#elif DEPLOYMENT_TARGET_WINDOWS_SAFARI
-/* Reading GMT offset and daylight flag from the registry
- * for TimeZone name
- * (Aleksey Dukhnyakov)
- */
- {
- CFStringRef safeName = name;
- struct {
- LONG Bias;
- LONG StandardBias;
- LONG DaylightBias;
- SYSTEMTIME StandardDate;
- SYSTEMTIME DaylightDate;
- } tzi;
- TIME_ZONE_INFORMATION tzi_system;
-
- HKEY hkResult;
- DWORD dwType, dwSize=sizeof(tzi),
- dwSize_name1=sizeof(tzi_system.StandardName),
- dwSize_name2=sizeof(tzi_system.DaylightName);
-
- if (tryAbbrev) {
- CFDictionaryRef abbrevs = CFTimeZoneCopyAbbreviationDictionary();
- tzName = (CFStringRef)CFDictionaryGetValue(abbrevs, name);
- if (NULL == tzName) {
- CFRelease(abbrevs);
- return NULL;
- }
- name = tzName;
- CFRelease(abbrevs);
- }
-
-/* Open regestry and move down to the TimeZone information
- */
- if (RegOpenKey(HKEY_LOCAL_MACHINE,_T(TZZONEINFO),&hkResult) !=
- ERROR_SUCCESS ) {
- return NULL;
- }
-/* Move down to specific TimeZone name
- */
-#if defined(UNICODE)
- UniChar *uniTimeZone = (UniChar*)CFStringGetCharactersPtr(name);
- if (uniTimeZone == NULL) {
- // We need to extract the bytes out of the CFStringRef and create our own
- // UNICODE string to pass to the Win32 API - RegOpenKey.
- UInt8 uniBuff[MAX_PATH+2]; // adding +2 to handle Unicode-null termination /0/0.
- CFIndex usedBuff = 0;
- CFIndex numChars = CFStringGetBytes(name, CFRangeMake(0, CFStringGetLength(name)), kCFStringEncodingUnicode, 0, FALSE, uniBuff, MAX_PATH, &usedBuff);
- if (numChars == 0) {
- return NULL;
- } else {
- // NULL-terminate the newly created Unicode string.
- uniBuff[usedBuff] = '\0';
- uniBuff[usedBuff+1] = '\0';
- }
-
- if (RegOpenKey(hkResult, (LPCWSTR)uniBuff ,&hkResult) != ERROR_SUCCESS ) {
- return NULL;
- }
- } else {
- if (RegOpenKey(hkResult, (LPCWSTR)uniTimeZone ,&hkResult) != ERROR_SUCCESS ) {
- return NULL;
- }
- }
-#else
- if (RegOpenKey(hkResult,CFStringGetCStringPtr(name, CFStringGetSystemEncoding()),&hkResult) != ERROR_SUCCESS ) {
- return NULL;
- }
-#endif
-
-/* TimeZone information(offsets, daylight flag, ...) assign to tzi structure
- */
- if ( RegQueryValueEx(hkResult,_T("TZI"),NULL,&dwType,(LPBYTE)&tzi,&dwSize) != ERROR_SUCCESS &&
- RegQueryValueEx(hkResult,_T("Std"),NULL,&dwType,(LPBYTE)&tzi_system.StandardName,&dwSize_name1) != ERROR_SUCCESS &&
- RegQueryValueEx(hkResult,_T("Dlt"),NULL,&dwType,(LPBYTE)&tzi_system.DaylightName,&dwSize_name2) != ERROR_SUCCESS )
- {
- return NULL;
- }
-
- tzi_system.Bias=tzi.Bias;
- tzi_system.StandardBias=tzi.StandardBias;
- tzi_system.DaylightBias=tzi.DaylightBias;
- tzi_system.StandardDate=tzi.StandardDate;
- tzi_system.DaylightDate=tzi.DaylightDate;
-
-/* CFTimeZoneRef->_data will contain TIME_ZONE_INFORMATION structure
- * to find current timezone
- * (Aleksey Dukhnyakov)
- */
- data = CFDataCreate(allocator,(UInt8 *)&tzi_system, sizeof(tzi_system));
-
- RegCloseKey(hkResult);
- result = CFTimeZoneCreate(allocator, name, data);
- if (result) {
- if (tryAbbrev)
- result->_periods->abbrev = (CFStringRef)CFStringCreateCopy(allocator,safeName);
- else {
- }
- }
- CFRelease(data);
- }
- return result;
-}
-#else
-#error Unknown or unspecified DEPLOYMENT_TARGET
-#endif
CFStringRef CFTimeZoneGetName(CFTimeZoneRef tz) {
CF_OBJC_FUNCDISPATCH0(CFTimeZoneGetTypeID(), CFStringRef, tz, "name");
else
return FALSE;
}
-#elif DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED
-#else
-#error Unknown or unspecified DEPLOYMENT_TARGET
#endif
CFTimeInterval CFTimeZoneGetSecondsFromGMT(CFTimeZoneRef tz, CFAbsoluteTime at) {
-#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_WINDOWS_SYNC
CFIndex idx;
- CF_OBJC_FUNCDISPATCH1(CFTimeZoneGetTypeID(), CFTimeInterval, tz, "_secondsFromGMTForAbsoluteTime:", at);
__CFGenericValidateType(tz, CFTimeZoneGetTypeID());
idx = __CFBSearchTZPeriods(tz, at);
return __CFTZPeriodGMTOffset(&(tz->_periods[idx]));
-#elif DEPLOYMENT_TARGET_WINDOWS_SAFARI
-/* To calculate seconds from GMT, calculate current timezone time and
- * subtract GMT timnezone time
- * (Aleksey Dukhnyakov)
- */
- TIME_ZONE_INFORMATION tzi;
- FILETIME ftime1,ftime2;
- SYSTEMTIME stime0,stime1,stime2;
- LONGLONG * l1= (LONGLONG*)&ftime1;
- LONGLONG * l2= (LONGLONG*)&ftime2;
- CFRange range={0,sizeof(TIME_ZONE_INFORMATION)};
- double result;
-
- CF_OBJC_FUNCDISPATCH1(CFTimeZoneGetTypeID(), CFTimeInterval, tz, "_secondsFromGMTForAbsoluteTime:", at);
-
- CFDataGetBytes(tz->_data,range,(UInt8 *)&tzi);
-
- if (!__CFTimeZoneGetWin32SystemTime(&stime0,at) ||
- !SystemTimeToTzSpecificLocalTime(&tzi,&stime0,&stime1) ||
- !SystemTimeToFileTime(&stime1,&ftime1) )
- {
- CFAssert(0, __kCFLogAssertion, "Win32 system time/timezone failed !\n");
- return 0;
- }
-
- tzi.DaylightDate.wMonth=0;
- tzi.StandardDate.wMonth=0;
- tzi.StandardBias=0;
- tzi.DaylightBias=0;
- tzi.Bias=0;
-
- if ( !SystemTimeToTzSpecificLocalTime(&tzi,&stime0,&stime2) ||
- !SystemTimeToFileTime(&stime2,&ftime2))
- {
- CFAssert(0, __kCFLogAssertion, "Win32 system time/timezone failed !\n");
- return 0;
- }
- result=(double)((*l1-*l2)/10000000);
- return result;
-#else
-#error Unknown or unspecified DEPLOYMENT_TARGET
-#endif
}
-#if DEPLOYMENT_TARGET_WINDOWS_SAFARI
-/*
- * Get abbreviation for name for WIN32 platform
- * (Aleksey Dukhnyakov)
- */
-
-typedef struct {
- CFStringRef tzName;
- CFStringRef tzAbbr;
-} _CFAbbrFind;
-
-static void _CFFindKeyForValue(const void *key, const void *value, void *context) {
- if ( ((_CFAbbrFind *)context)->tzAbbr != NULL ) {
- if ( ((_CFAbbrFind *)context)->tzName == (CFStringRef) value ) {
- ((_CFAbbrFind *)context)->tzAbbr = (CFStringRef)key ;
- }
- }
-}
-
-CFIndex __CFTimeZoneInitAbbrev(CFTimeZoneRef tz) {
-
- if ( tz->_periods->abbrev == NULL ) {
- _CFAbbrFind abbr = { NULL, NULL };
- CFDictionaryRef abbrevs = CFTimeZoneCopyAbbreviationDictionary();
-
- CFDictionaryApplyFunction(abbrevs, _CFFindKeyForValue, &abbr);
-
- if ( abbr.tzAbbr != NULL)
- tz->_periods->abbrev = (CFStringRef)CFStringCreateCopy(kCFAllocatorSystemDefault, abbr.tzAbbr);
- else
- tz->_periods->abbrev = (CFStringRef)CFStringCreateCopy(kCFAllocatorSystemDefault, tz->_name);
-/* We should return name of TimeZone if couldn't find abbrevation.
- * (Ala on MACOSX)
- *
- * (Aleksey Dukhnyakov)
-*/
- CFRelease( abbrevs );
- }
-
- return 0;
-}
-#elif DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_WINDOWS_SYNC
-#else
-#error Unknown or unspecified DEPLOYMENT_TARGET
-#endif
-
CFStringRef CFTimeZoneCopyAbbreviation(CFTimeZoneRef tz, CFAbsoluteTime at) {
CFStringRef result;
CFIndex idx;
- CF_OBJC_FUNCDISPATCH1(CFTimeZoneGetTypeID(), CFStringRef, tz, "_abbreviationForAbsoluteTime:", at);
__CFGenericValidateType(tz, CFTimeZoneGetTypeID());
-#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_WINDOWS_SYNC
idx = __CFBSearchTZPeriods(tz, at);
-#elif DEPLOYMENT_TARGET_WINDOWS_SAFARI
-/*
- * Initialize abbreviation for this TimeZone
- * (Aleksey Dukhnyakov)
- */
- idx = __CFTimeZoneInitAbbrev(tz);
-#else
-#error Unknown or unspecified DEPLOYMENT_TARGET
-#endif
result = __CFTZPeriodAbbreviation(&(tz->_periods[idx]));
return result ? (CFStringRef)CFRetain(result) : NULL;
}
Boolean CFTimeZoneIsDaylightSavingTime(CFTimeZoneRef tz, CFAbsoluteTime at) {
-#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_WINDOWS_SYNC
CFIndex idx;
- CF_OBJC_FUNCDISPATCH1(CFTimeZoneGetTypeID(), Boolean, tz, "_isDaylightSavingTimeForAbsoluteTime:", at);
__CFGenericValidateType(tz, CFTimeZoneGetTypeID());
idx = __CFBSearchTZPeriods(tz, at);
return __CFTZPeriodIsDST(&(tz->_periods[idx]));
-#elif DEPLOYMENT_TARGET_WINDOWS_SAFARI
-/* Compare current timezone time and current timezone time without
- * transition to day light saving time
- * (Aleskey Dukhnyakov)
- */
- TIME_ZONE_INFORMATION tzi;
- SYSTEMTIME stime0,stime1,stime2;
- CFRange range={0,sizeof(TIME_ZONE_INFORMATION)};
-
- CF_OBJC_FUNCDISPATCH1(CFTimeZoneGetTypeID(), Boolean, tz, "_isDaylightSavingTimeForAbsoluteTime:", at);
-
- CFDataGetBytes(tz->_data,range,(UInt8 *)&tzi);
-
- if ( !__CFTimeZoneGetWin32SystemTime(&stime0,at) ||
- !SystemTimeToTzSpecificLocalTime(&tzi,&stime0,&stime1)) {
- CFAssert(0, __kCFLogAssertion, "Win32 system time/timezone failed !\n");
- return FALSE;
- }
-
- tzi.DaylightDate.wMonth=0;
- tzi.StandardDate.wMonth=0;
-
- if ( !SystemTimeToTzSpecificLocalTime(&tzi,&stime0,&stime2)) {
- CFAssert(0, __kCFLogAssertion, "Win32 system time/timezone failed !\n");
- return FALSE;
- }
-
- if ( !memcmp(&stime1,&stime2,sizeof(stime1)) )
- return FALSE;
-
- return TRUE;
-#else
-#error Unknown or unspecified DEPLOYMENT_TARGET
-#endif
}
CFTimeInterval CFTimeZoneGetDaylightSavingTimeOffset(CFTimeZoneRef tz, CFAbsoluteTime at) {
projects / apple / cf.git / blobdiff