1 /*
2 ********************************************************************************
3 * Copyright (C) 2005-2007, International Business Machines
4 * Corporation and others. All Rights Reserved.
5 ********************************************************************************
6 *
7 * File WINNMFMT.CPP
8 *
9 ********************************************************************************
10 */
11
12 #include "unicode/utypes.h"
13
14 #ifdef U_WINDOWS
15
16 #if !UCONFIG_NO_FORMATTING
17
18 #include "winnmfmt.h"
19
20 #include "unicode/format.h"
21 #include "unicode/numfmt.h"
22 #include "unicode/locid.h"
23 #include "unicode/ustring.h"
24
25 #include "cmemory.h"
26 #include "uassert.h"
27 #include "locmap.h"
28
29 # define WIN32_LEAN_AND_MEAN
30 # define VC_EXTRALEAN
31 # define NOUSER
32 # define NOSERVICE
33 # define NOIME
34 # define NOMCX
35 #include <windows.h>
36 #include <stdio.h>
37
38 U_NAMESPACE_BEGIN
39
40 union FormatInfo
41 {
42 NUMBERFMTW number;
43 CURRENCYFMTW currency;
44 };
45
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(Win32NumberFormat)46 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(Win32NumberFormat)
47
48 #define NEW_ARRAY(type,count) (type *) uprv_malloc((count) * sizeof(type))
49 #define DELETE_ARRAY(array) uprv_free((void *) (array))
50
51 #define STACK_BUFFER_SIZE 32
52
53 /*
54 * Turns a string of the form "3;2;0" into the grouping UINT
55 * needed for NUMBERFMT and CURRENCYFMT. If the string does not
56 * end in ";0" then the return value should be multiplied by 10.
57 * (e.g. "3" => 30, "3;2" => 320)
58 */
59 static UINT getGrouping(const char *grouping)
60 {
61 UINT g = 0;
62 const char *s;
63
64 for (s = grouping; *s != '\0'; s += 1) {
65 if (*s > '0' && *s < '9') {
66 g = g * 10 + (*s - '0');
67 } else if (*s != ';') {
68 break;
69 }
70 }
71
72 if (*s != '0') {
73 g *= 10;
74 }
75
76 return g;
77 }
78
getNumberFormat(NUMBERFMTW * fmt,int32_t lcid)79 static void getNumberFormat(NUMBERFMTW *fmt, int32_t lcid)
80 {
81 char buf[10];
82
83 GetLocaleInfoW(lcid, LOCALE_RETURN_NUMBER|LOCALE_IDIGITS, (LPWSTR) &fmt->NumDigits, sizeof(UINT));
84 GetLocaleInfoW(lcid, LOCALE_RETURN_NUMBER|LOCALE_ILZERO, (LPWSTR) &fmt->LeadingZero, sizeof(UINT));
85
86 GetLocaleInfoA(lcid, LOCALE_SGROUPING, buf, 10);
87 fmt->Grouping = getGrouping(buf);
88
89 fmt->lpDecimalSep = NEW_ARRAY(UChar, 6);
90 GetLocaleInfoW(lcid, LOCALE_SDECIMAL, fmt->lpDecimalSep, 6);
91
92 fmt->lpThousandSep = NEW_ARRAY(UChar, 6);
93 GetLocaleInfoW(lcid, LOCALE_STHOUSAND, fmt->lpThousandSep, 6);
94
95 GetLocaleInfoW(lcid, LOCALE_RETURN_NUMBER|LOCALE_INEGNUMBER, (LPWSTR) &fmt->NegativeOrder, sizeof(UINT));
96 }
97
freeNumberFormat(NUMBERFMTW * fmt)98 static void freeNumberFormat(NUMBERFMTW *fmt)
99 {
100 if (fmt != NULL) {
101 DELETE_ARRAY(fmt->lpThousandSep);
102 DELETE_ARRAY(fmt->lpDecimalSep);
103 }
104 }
105
getCurrencyFormat(CURRENCYFMTW * fmt,int32_t lcid)106 static void getCurrencyFormat(CURRENCYFMTW *fmt, int32_t lcid)
107 {
108 char buf[10];
109
110 GetLocaleInfoW(lcid, LOCALE_RETURN_NUMBER|LOCALE_ICURRDIGITS, (LPWSTR) &fmt->NumDigits, sizeof(UINT));
111 GetLocaleInfoW(lcid, LOCALE_RETURN_NUMBER|LOCALE_ILZERO, (LPWSTR) &fmt->LeadingZero, sizeof(UINT));
112
113 GetLocaleInfoA(lcid, LOCALE_SMONGROUPING, buf, sizeof(buf));
114 fmt->Grouping = getGrouping(buf);
115
116 fmt->lpDecimalSep = NEW_ARRAY(UChar, 6);
117 GetLocaleInfoW(lcid, LOCALE_SMONDECIMALSEP, fmt->lpDecimalSep, 6);
118
119 fmt->lpThousandSep = NEW_ARRAY(UChar, 6);
120 GetLocaleInfoW(lcid, LOCALE_SMONTHOUSANDSEP, fmt->lpThousandSep, 6);
121
122 GetLocaleInfoW(lcid, LOCALE_RETURN_NUMBER|LOCALE_INEGCURR, (LPWSTR) &fmt->NegativeOrder, sizeof(UINT));
123 GetLocaleInfoW(lcid, LOCALE_RETURN_NUMBER|LOCALE_ICURRENCY, (LPWSTR) &fmt->PositiveOrder, sizeof(UINT));
124
125 fmt->lpCurrencySymbol = NEW_ARRAY(UChar, 8);
126 GetLocaleInfoW(lcid, LOCALE_SCURRENCY, (LPWSTR) fmt->lpCurrencySymbol, 8);
127 }
128
freeCurrencyFormat(CURRENCYFMTW * fmt)129 static void freeCurrencyFormat(CURRENCYFMTW *fmt)
130 {
131 if (fmt != NULL) {
132 DELETE_ARRAY(fmt->lpCurrencySymbol);
133 DELETE_ARRAY(fmt->lpThousandSep);
134 DELETE_ARRAY(fmt->lpDecimalSep);
135 }
136 }
137
138 // TODO: keep locale too?
Win32NumberFormat(const Locale & locale,UBool currency,UErrorCode & status)139 Win32NumberFormat::Win32NumberFormat(const Locale &locale, UBool currency, UErrorCode &status)
140 : NumberFormat(), fCurrency(currency), fFractionDigitsSet(FALSE), fFormatInfo(NULL)
141 {
142 if (!U_FAILURE(status)) {
143 fLCID = locale.getLCID();
144
145 fFormatInfo = (FormatInfo*)uprv_malloc(sizeof(FormatInfo));
146
147 if (fCurrency) {
148 getCurrencyFormat(&fFormatInfo->currency, fLCID);
149 } else {
150 getNumberFormat(&fFormatInfo->number, fLCID);
151 }
152 }
153 }
154
Win32NumberFormat(const Win32NumberFormat & other)155 Win32NumberFormat::Win32NumberFormat(const Win32NumberFormat &other)
156 : NumberFormat(other), fFormatInfo((FormatInfo*)uprv_malloc(sizeof(FormatInfo)))
157 {
158 if (fFormatInfo != NULL) {
159 uprv_memset(fFormatInfo, 0, sizeof(*fFormatInfo));
160 }
161 *this = other;
162 }
163
~Win32NumberFormat()164 Win32NumberFormat::~Win32NumberFormat()
165 {
166 if (fFormatInfo != NULL) {
167 if (fCurrency) {
168 freeCurrencyFormat(&fFormatInfo->currency);
169 } else {
170 freeNumberFormat(&fFormatInfo->number);
171 }
172
173 uprv_free(fFormatInfo);
174 }
175 }
176
operator =(const Win32NumberFormat & other)177 Win32NumberFormat &Win32NumberFormat::operator=(const Win32NumberFormat &other)
178 {
179 NumberFormat::operator=(other);
180
181 this->fCurrency = other.fCurrency;
182 this->fLCID = other.fLCID;
183 this->fFractionDigitsSet = other.fFractionDigitsSet;
184
185 if (fCurrency) {
186 freeCurrencyFormat(&fFormatInfo->currency);
187 getCurrencyFormat(&fFormatInfo->currency, fLCID);
188 } else {
189 freeNumberFormat(&fFormatInfo->number);
190 getNumberFormat(&fFormatInfo->number, fLCID);
191 }
192
193 return *this;
194 }
195
clone(void) const196 Format *Win32NumberFormat::clone(void) const
197 {
198 return new Win32NumberFormat(*this);
199 }
200
format(double number,UnicodeString & appendTo,FieldPosition & pos) const201 UnicodeString& Win32NumberFormat::format(double number, UnicodeString& appendTo, FieldPosition& pos) const
202 {
203 return format(getMaximumFractionDigits(), appendTo, L"%.16f", number);
204 }
205
format(int32_t number,UnicodeString & appendTo,FieldPosition & pos) const206 UnicodeString& Win32NumberFormat::format(int32_t number, UnicodeString& appendTo, FieldPosition& pos) const
207 {
208 return format(getMinimumFractionDigits(), appendTo, L"%I32d", number);
209 }
210
format(int64_t number,UnicodeString & appendTo,FieldPosition & pos) const211 UnicodeString& Win32NumberFormat::format(int64_t number, UnicodeString& appendTo, FieldPosition& pos) const
212 {
213 return format(getMinimumFractionDigits(), appendTo, L"%I64d", number);
214 }
215
216 // TODO: cache Locale and NumberFormat? Could keep locale passed to constructor...
parse(const UnicodeString & text,Formattable & result,ParsePosition & parsePosition) const217 void Win32NumberFormat::parse(const UnicodeString& text, Formattable& result, ParsePosition& parsePosition) const
218 {
219 UErrorCode status = U_ZERO_ERROR;
220 Locale loc(uprv_convertToPosix(fLCID, &status));
221 NumberFormat *nf = fCurrency? NumberFormat::createCurrencyInstance(loc, status) : NumberFormat::createInstance(loc, status);
222
223 nf->parse(text, result, parsePosition);
224 delete nf;
225 }
setMaximumFractionDigits(int32_t newValue)226 void Win32NumberFormat::setMaximumFractionDigits(int32_t newValue)
227 {
228 fFractionDigitsSet = TRUE;
229 NumberFormat::setMaximumFractionDigits(newValue);
230 }
231
setMinimumFractionDigits(int32_t newValue)232 void Win32NumberFormat::setMinimumFractionDigits(int32_t newValue)
233 {
234 fFractionDigitsSet = TRUE;
235 NumberFormat::setMinimumFractionDigits(newValue);
236 }
237
format(int32_t numDigits,UnicodeString & appendTo,wchar_t * fmt,...) const238 UnicodeString &Win32NumberFormat::format(int32_t numDigits, UnicodeString &appendTo, wchar_t *fmt, ...) const
239 {
240 wchar_t nStackBuffer[STACK_BUFFER_SIZE];
241 wchar_t *nBuffer = nStackBuffer;
242 va_list args;
243 int result;
244
245 nBuffer[0] = 0x0000;
246
247 /* Due to the arguments causing a result to be <= 23 characters (+2 for NULL and minus),
248 we don't need to reallocate the buffer. */
249 va_start(args, fmt);
250 result = _vsnwprintf(nBuffer, STACK_BUFFER_SIZE, fmt, args);
251 va_end(args);
252
253 /* Just to make sure of the above statement, we add this assert */
254 U_ASSERT(result >=0);
255 // The following code is not used because _vscwprintf isn't available on MinGW at the moment.
256 /*if (result < 0) {
257 int newLength;
258
259 va_start(args, fmt);
260 newLength = _vscwprintf(fmt, args);
261 va_end(args);
262
263 nBuffer = NEW_ARRAY(UChar, newLength + 1);
264
265 va_start(args, fmt);
266 result = _vsnwprintf(nBuffer, newLength + 1, fmt, args);
267 va_end(args);
268 }*/
269
270 // vswprintf is sensitive to the locale set by setlocale. For some locales
271 // it doesn't use "." as the decimal separator, which is what GetNumberFormatW
272 // and GetCurrencyFormatW both expect to see.
273 //
274 // To fix this, we scan over the string and replace the first non-digits, except
275 // for a leading "-", with a "."
276 //
277 // Note: (nBuffer[0] == L'-') will evaluate to 1 if there is a leading '-' in the
278 // number, and 0 otherwise.
279 for (wchar_t *p = &nBuffer[nBuffer[0] == L'-']; *p != L'\0'; p += 1) {
280 if (*p < L'0' || *p > L'9') {
281 *p = L'.';
282 break;
283 }
284 }
285
286 UChar stackBuffer[STACK_BUFFER_SIZE];
287 UChar *buffer = stackBuffer;
288 FormatInfo formatInfo;
289
290 formatInfo = *fFormatInfo;
291 buffer[0] = 0x0000;
292
293 if (fCurrency) {
294 if (fFractionDigitsSet) {
295 formatInfo.currency.NumDigits = (UINT) numDigits;
296 }
297
298 if (!isGroupingUsed()) {
299 formatInfo.currency.Grouping = 0;
300 }
301
302 result = GetCurrencyFormatW(fLCID, 0, nBuffer, &formatInfo.currency, buffer, STACK_BUFFER_SIZE);
303
304 if (result == 0) {
305 DWORD lastError = GetLastError();
306
307 if (lastError == ERROR_INSUFFICIENT_BUFFER) {
308 int newLength = GetCurrencyFormatW(fLCID, 0, nBuffer, &formatInfo.currency, NULL, 0);
309
310 buffer = NEW_ARRAY(UChar, newLength);
311 buffer[0] = 0x0000;
312 GetCurrencyFormatW(fLCID, 0, nBuffer, &formatInfo.currency, buffer, newLength);
313 }
314 }
315 } else {
316 if (fFractionDigitsSet) {
317 formatInfo.number.NumDigits = (UINT) numDigits;
318 }
319
320 if (!isGroupingUsed()) {
321 formatInfo.number.Grouping = 0;
322 }
323
324 result = GetNumberFormatW(fLCID, 0, nBuffer, &formatInfo.number, buffer, STACK_BUFFER_SIZE);
325
326 if (result == 0) {
327 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
328 int newLength = GetNumberFormatW(fLCID, 0, nBuffer, &formatInfo.number, NULL, 0);
329
330 buffer = NEW_ARRAY(UChar, newLength);
331 buffer[0] = 0x0000;
332 GetNumberFormatW(fLCID, 0, nBuffer, &formatInfo.number, buffer, newLength);
333 }
334 }
335 }
336
337 appendTo.append(buffer, (int32_t) wcslen(buffer));
338
339 if (buffer != stackBuffer) {
340 DELETE_ARRAY(buffer);
341 }
342
343 /*if (nBuffer != nStackBuffer) {
344 DELETE_ARRAY(nBuffer);
345 }*/
346
347 return appendTo;
348 }
349
350 U_NAMESPACE_END
351
352 #endif /* #if !UCONFIG_NO_FORMATTING */
353
354 #endif // #ifdef U_WINDOWS
355