1 // Copyright (C) 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 ********************************************************************************
5 * Copyright (C) 2005-2016, International Business Machines
6 * Corporation and others. All Rights Reserved.
7 ********************************************************************************
8 *
9 * File WINDTFMT.CPP
10 *
11 ********************************************************************************
12 */
13
14 #include "unicode/utypes.h"
15
16 #if U_PLATFORM_HAS_WIN32_API
17
18 #if !UCONFIG_NO_FORMATTING
19
20 #include "unicode/ures.h"
21 #include "unicode/format.h"
22 #include "unicode/fmtable.h"
23 #include "unicode/datefmt.h"
24 #include "unicode/simpleformatter.h"
25 #include "unicode/calendar.h"
26 #include "unicode/gregocal.h"
27 #include "unicode/locid.h"
28 #include "unicode/unistr.h"
29 #include "unicode/ustring.h"
30 #include "unicode/timezone.h"
31 #include "unicode/utmscale.h"
32
33 #include "cmemory.h"
34 #include "uresimp.h"
35 #include "windtfmt.h"
36 #include "wintzimpl.h"
37
38 # define WIN32_LEAN_AND_MEAN
39 # define VC_EXTRALEAN
40 # define NOUSER
41 # define NOSERVICE
42 # define NOIME
43 # define NOMCX
44 #include <windows.h>
45
46 U_NAMESPACE_BEGIN
47
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(Win32DateFormat)48 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(Win32DateFormat)
49
50 #define NEW_ARRAY(type,count) (type *) uprv_malloc((count) * sizeof(type))
51 #define DELETE_ARRAY(array) uprv_free((void *) (array))
52
53 #define STACK_BUFFER_SIZE 64
54
55 UnicodeString* Win32DateFormat::getTimeDateFormat(const Calendar *cal, const Locale *locale, UErrorCode &status) const
56 {
57 UnicodeString *result = NULL;
58 const char *type = cal->getType();
59 const char *base = locale->getBaseName();
60 UResourceBundle *topBundle = ures_open((char *) 0, base, &status);
61 UResourceBundle *calBundle = ures_getByKey(topBundle, "calendar", NULL, &status);
62 UResourceBundle *typBundle = ures_getByKeyWithFallback(calBundle, type, NULL, &status);
63 UResourceBundle *patBundle = ures_getByKeyWithFallback(typBundle, "DateTimePatterns", NULL, &status);
64
65 if (status == U_MISSING_RESOURCE_ERROR) {
66 status = U_ZERO_ERROR;
67 typBundle = ures_getByKeyWithFallback(calBundle, "gregorian", typBundle, &status);
68 patBundle = ures_getByKeyWithFallback(typBundle, "DateTimePatterns", patBundle, &status);
69 }
70
71 if (U_FAILURE(status)) {
72 static const UChar defaultPattern[] = {0x007B, 0x0031, 0x007D, 0x0020, 0x007B, 0x0030, 0x007D, 0x0000}; // "{1} {0}"
73 return new UnicodeString(defaultPattern, UPRV_LENGTHOF(defaultPattern));
74 }
75
76 int32_t resStrLen = 0;
77 int32_t glueIndex = DateFormat::kDateTime;
78 int32_t patSize = ures_getSize(patBundle);
79 if (patSize >= (DateFormat::kDateTimeOffset + DateFormat::kShort + 1)) {
80 // Get proper date time format
81 glueIndex = (int32_t)(DateFormat::kDateTimeOffset + (fDateStyle - DateFormat::kDateOffset));
82 }
83 const UChar *resStr = ures_getStringByIndex(patBundle, glueIndex, &resStrLen, &status);
84
85 result = new UnicodeString(TRUE, resStr, resStrLen);
86
87 ures_close(patBundle);
88 ures_close(typBundle);
89 ures_close(calBundle);
90 ures_close(topBundle);
91
92 return result;
93 }
94
95 // TODO: Range-check timeStyle, dateStyle
Win32DateFormat(DateFormat::EStyle timeStyle,DateFormat::EStyle dateStyle,const Locale & locale,UErrorCode & status)96 Win32DateFormat::Win32DateFormat(DateFormat::EStyle timeStyle, DateFormat::EStyle dateStyle, const Locale &locale, UErrorCode &status)
97 : DateFormat(), fDateTimeMsg(NULL), fTimeStyle(timeStyle), fDateStyle(dateStyle), fLocale(locale), fZoneID()
98 {
99 if (U_SUCCESS(status)) {
100 fLCID = locale.getLCID();
101 fTZI = NEW_ARRAY(TIME_ZONE_INFORMATION, 1);
102 uprv_memset(fTZI, 0, sizeof(TIME_ZONE_INFORMATION));
103 adoptCalendar(Calendar::createInstance(locale, status));
104 }
105 }
106
Win32DateFormat(const Win32DateFormat & other)107 Win32DateFormat::Win32DateFormat(const Win32DateFormat &other)
108 : DateFormat(other)
109 {
110 *this = other;
111 }
112
~Win32DateFormat()113 Win32DateFormat::~Win32DateFormat()
114 {
115 // delete fCalendar;
116 uprv_free(fTZI);
117 delete fDateTimeMsg;
118 }
119
operator =(const Win32DateFormat & other)120 Win32DateFormat &Win32DateFormat::operator=(const Win32DateFormat &other)
121 {
122 // The following handles fCalendar
123 DateFormat::operator=(other);
124
125 // delete fCalendar;
126
127 this->fDateTimeMsg = other.fDateTimeMsg == NULL ? NULL : new UnicodeString(*other.fDateTimeMsg);
128 this->fTimeStyle = other.fTimeStyle;
129 this->fDateStyle = other.fDateStyle;
130 this->fLocale = other.fLocale;
131 this->fLCID = other.fLCID;
132 // this->fCalendar = other.fCalendar->clone();
133 this->fZoneID = other.fZoneID;
134
135 this->fTZI = NEW_ARRAY(TIME_ZONE_INFORMATION, 1);
136 *this->fTZI = *other.fTZI;
137
138 return *this;
139 }
140
clone(void) const141 Format *Win32DateFormat::clone(void) const
142 {
143 return new Win32DateFormat(*this);
144 }
145
146 // TODO: Is just ignoring pos the right thing?
format(Calendar & cal,UnicodeString & appendTo,FieldPosition & pos) const147 UnicodeString &Win32DateFormat::format(Calendar &cal, UnicodeString &appendTo, FieldPosition &pos) const
148 {
149 FILETIME ft;
150 SYSTEMTIME st_gmt;
151 SYSTEMTIME st_local;
152 TIME_ZONE_INFORMATION tzi = *fTZI;
153 UErrorCode status = U_ZERO_ERROR;
154 const TimeZone &tz = cal.getTimeZone();
155 int64_t uct, uft;
156
157 setTimeZoneInfo(&tzi, tz);
158
159 uct = utmscale_fromInt64((int64_t) cal.getTime(status), UDTS_ICU4C_TIME, &status);
160 uft = utmscale_toInt64(uct, UDTS_WINDOWS_FILE_TIME, &status);
161
162 ft.dwLowDateTime = (DWORD) (uft & 0xFFFFFFFF);
163 ft.dwHighDateTime = (DWORD) ((uft >> 32) & 0xFFFFFFFF);
164
165 FileTimeToSystemTime(&ft, &st_gmt);
166 SystemTimeToTzSpecificLocalTime(&tzi, &st_gmt, &st_local);
167
168
169 if (fDateStyle != DateFormat::kNone && fTimeStyle != DateFormat::kNone) {
170 UnicodeString date;
171 UnicodeString time;
172 UnicodeString *pattern = fDateTimeMsg;
173
174 formatDate(&st_local, date);
175 formatTime(&st_local, time);
176
177 if (strcmp(fCalendar->getType(), cal.getType()) != 0) {
178 pattern = getTimeDateFormat(&cal, &fLocale, status);
179 }
180
181 SimpleFormatter(*pattern, 2, 2, status).format(time, date, appendTo, status);
182 } else if (fDateStyle != DateFormat::kNone) {
183 formatDate(&st_local, appendTo);
184 } else if (fTimeStyle != DateFormat::kNone) {
185 formatTime(&st_local, appendTo);
186 }
187
188 return appendTo;
189 }
190
parse(const UnicodeString & text,Calendar & cal,ParsePosition & pos) const191 void Win32DateFormat::parse(const UnicodeString& text, Calendar& cal, ParsePosition& pos) const
192 {
193 pos.setErrorIndex(pos.getIndex());
194 }
195
adoptCalendar(Calendar * newCalendar)196 void Win32DateFormat::adoptCalendar(Calendar *newCalendar)
197 {
198 if (fCalendar == NULL || strcmp(fCalendar->getType(), newCalendar->getType()) != 0) {
199 UErrorCode status = U_ZERO_ERROR;
200
201 if (fDateStyle != DateFormat::kNone && fTimeStyle != DateFormat::kNone) {
202 delete fDateTimeMsg;
203 fDateTimeMsg = getTimeDateFormat(newCalendar, &fLocale, status);
204 }
205 }
206
207 delete fCalendar;
208 fCalendar = newCalendar;
209
210 fZoneID = setTimeZoneInfo(fTZI, fCalendar->getTimeZone());
211 }
212
setCalendar(const Calendar & newCalendar)213 void Win32DateFormat::setCalendar(const Calendar &newCalendar)
214 {
215 adoptCalendar(newCalendar.clone());
216 }
217
adoptTimeZone(TimeZone * zoneToAdopt)218 void Win32DateFormat::adoptTimeZone(TimeZone *zoneToAdopt)
219 {
220 fZoneID = setTimeZoneInfo(fTZI, *zoneToAdopt);
221 fCalendar->adoptTimeZone(zoneToAdopt);
222 }
223
setTimeZone(const TimeZone & zone)224 void Win32DateFormat::setTimeZone(const TimeZone& zone)
225 {
226 fZoneID = setTimeZoneInfo(fTZI, zone);
227 fCalendar->setTimeZone(zone);
228 }
229
230 static const DWORD dfFlags[] = {DATE_LONGDATE, DATE_LONGDATE, DATE_SHORTDATE, DATE_SHORTDATE};
231
formatDate(const SYSTEMTIME * st,UnicodeString & appendTo) const232 void Win32DateFormat::formatDate(const SYSTEMTIME *st, UnicodeString &appendTo) const
233 {
234 int result;
235 wchar_t stackBuffer[STACK_BUFFER_SIZE];
236 wchar_t *buffer = stackBuffer;
237
238 result = GetDateFormatW(fLCID, dfFlags[fDateStyle - kDateOffset], st, NULL, buffer, STACK_BUFFER_SIZE);
239
240 if (result == 0) {
241 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
242 int newLength = GetDateFormatW(fLCID, dfFlags[fDateStyle - kDateOffset], st, NULL, NULL, 0);
243
244 buffer = NEW_ARRAY(wchar_t, newLength);
245 GetDateFormatW(fLCID, dfFlags[fDateStyle - kDateOffset], st, NULL, buffer, newLength);
246 }
247 }
248
249 appendTo.append((const UChar *)buffer, (int32_t) wcslen(buffer));
250
251 if (buffer != stackBuffer) {
252 DELETE_ARRAY(buffer);
253 }
254 }
255
256 static const DWORD tfFlags[] = {0, 0, 0, TIME_NOSECONDS};
257
formatTime(const SYSTEMTIME * st,UnicodeString & appendTo) const258 void Win32DateFormat::formatTime(const SYSTEMTIME *st, UnicodeString &appendTo) const
259 {
260 int result;
261 wchar_t stackBuffer[STACK_BUFFER_SIZE];
262 wchar_t *buffer = stackBuffer;
263
264 result = GetTimeFormatW(fLCID, tfFlags[fTimeStyle], st, NULL, buffer, STACK_BUFFER_SIZE);
265
266 if (result == 0) {
267 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
268 int newLength = GetTimeFormatW(fLCID, tfFlags[fTimeStyle], st, NULL, NULL, 0);
269
270 buffer = NEW_ARRAY(wchar_t, newLength);
271 GetDateFormatW(fLCID, tfFlags[fTimeStyle], st, NULL, buffer, newLength);
272 }
273 }
274
275 appendTo.append((const UChar *)buffer, (int32_t) wcslen(buffer));
276
277 if (buffer != stackBuffer) {
278 DELETE_ARRAY(buffer);
279 }
280 }
281
setTimeZoneInfo(TIME_ZONE_INFORMATION * tzi,const TimeZone & zone) const282 UnicodeString Win32DateFormat::setTimeZoneInfo(TIME_ZONE_INFORMATION *tzi, const TimeZone &zone) const
283 {
284 UnicodeString zoneID;
285
286 zone.getID(zoneID);
287
288 if (zoneID.compare(fZoneID) != 0) {
289 UnicodeString icuid;
290
291 zone.getID(icuid);
292 if (! uprv_getWindowsTimeZoneInfo(tzi, icuid.getBuffer(), icuid.length())) {
293 UBool found = FALSE;
294 int32_t ec = TimeZone::countEquivalentIDs(icuid);
295
296 for (int z = 0; z < ec; z += 1) {
297 UnicodeString equiv = TimeZone::getEquivalentID(icuid, z);
298
299 if (found = uprv_getWindowsTimeZoneInfo(tzi, equiv.getBuffer(), equiv.length())) {
300 break;
301 }
302 }
303
304 if (! found) {
305 GetTimeZoneInformation(tzi);
306 }
307 }
308 }
309
310 return zoneID;
311 }
312
313 U_NAMESPACE_END
314
315 #endif /* #if !UCONFIG_NO_FORMATTING */
316
317 #endif // U_PLATFORM_HAS_WIN32_API
318
319