1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
|
// © 2024 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
#include "unicode/utypes.h"
#ifndef U_HIDE_DEPRECATED_API
#ifndef MESSAGEFORMAT2_FUNCTION_REGISTRY_INTERNAL_H
#define MESSAGEFORMAT2_FUNCTION_REGISTRY_INTERNAL_H
#if U_SHOW_CPLUSPLUS_API
#if !UCONFIG_NO_NORMALIZATION
#if !UCONFIG_NO_FORMATTING
#if !UCONFIG_NO_MF2
#include "unicode/datefmt.h"
#include "unicode/messageformat2_function_registry.h"
U_NAMESPACE_BEGIN
namespace message2 {
// Constants for option names
namespace options {
static constexpr std::u16string_view ALWAYS = u"always";
static constexpr std::u16string_view COMPACT = u"compact";
static constexpr std::u16string_view COMPACT_DISPLAY = u"compactDisplay";
static constexpr std::u16string_view DATE_STYLE = u"dateStyle";
static constexpr std::u16string_view DAY = u"day";
static constexpr std::u16string_view DECIMAL_PLACES = u"decimalPlaces";
static constexpr std::u16string_view DEFAULT_UPPER = u"DEFAULT";
static constexpr std::u16string_view ENGINEERING = u"engineering";
static constexpr std::u16string_view EXACT = u"exact";
static constexpr std::u16string_view EXCEPT_ZERO = u"exceptZero";
static constexpr std::u16string_view FAILS = u"fails";
static constexpr std::u16string_view FULL_UPPER = u"FULL";
static constexpr std::u16string_view HOUR = u"hour";
static constexpr std::u16string_view LONG = u"long";
static constexpr std::u16string_view LONG_UPPER = u"LONG";
static constexpr std::u16string_view MAXIMUM_FRACTION_DIGITS = u"maximumFractionDigits";
static constexpr std::u16string_view MAXIMUM_SIGNIFICANT_DIGITS = u"maximumSignificantDigits";
static constexpr std::u16string_view MEDIUM_UPPER = u"MEDIUM";
static constexpr std::u16string_view MIN2 = u"min2";
static constexpr std::u16string_view MINIMUM_FRACTION_DIGITS = u"minimumFractionDigits";
static constexpr std::u16string_view MINIMUM_INTEGER_DIGITS = u"minimumIntegerDigits";
static constexpr std::u16string_view MINIMUM_SIGNIFICANT_DIGITS = u"minimumSignificantDigits";
static constexpr std::u16string_view MINUTE = u"minute";
static constexpr std::u16string_view MONTH = u"month";
static constexpr std::u16string_view NARROW = u"narrow";
static constexpr std::u16string_view NEGATIVE = u"negative";
static constexpr std::u16string_view NEVER = u"never";
static constexpr std::u16string_view NOTATION = u"notation";
static constexpr std::u16string_view NUMBERING_SYSTEM = u"numberingSystem";
static constexpr std::u16string_view NUMERIC = u"numeric";
static constexpr std::u16string_view ORDINAL = u"ordinal";
static constexpr std::u16string_view PERCENT_STRING = u"percent";
static constexpr std::u16string_view SCIENTIFIC = u"scientific";
static constexpr std::u16string_view SECOND = u"second";
static constexpr std::u16string_view SELECT = u"select";
static constexpr std::u16string_view SHORT = u"short";
static constexpr std::u16string_view SHORT_UPPER = u"SHORT";
static constexpr std::u16string_view SIGN_DISPLAY = u"signDisplay";
static constexpr std::u16string_view STYLE = u"style";
static constexpr std::u16string_view TIME_STYLE = u"timeStyle";
static constexpr std::u16string_view TWO_DIGIT = u"2-digit";
static constexpr std::u16string_view USE_GROUPING = u"useGrouping";
static constexpr std::u16string_view WEEKDAY = u"weekday";
static constexpr std::u16string_view YEAR = u"year";
} // namespace options
// Built-in functions
/*
The standard functions are :datetime, :date, :time,
:number, :integer, and :string,
per https://github.com/unicode-org/message-format-wg/blob/main/spec/registry.md
as of https://github.com/unicode-org/message-format-wg/releases/tag/LDML45-alpha
*/
class StandardFunctions {
friend class MessageFormatter;
public:
// Used for normalizing variable names and keys for comparison
static UnicodeString normalizeNFC(const UnicodeString&);
private:
static void validateDigitSizeOptions(const FunctionOptions&, UErrorCode&);
static void checkSelectOption(const FunctionOptions&, UErrorCode&);
static UnicodeString getStringOption(const FunctionOptions& opts,
std::u16string_view optionName,
UErrorCode& errorCode);
class DateTime;
class DateTimeFactory : public FormatterFactory {
public:
Formatter* createFormatter(const Locale& locale, UErrorCode& status) override;
static DateTimeFactory* date(UErrorCode&);
static DateTimeFactory* time(UErrorCode&);
static DateTimeFactory* dateTime(UErrorCode&);
DateTimeFactory() = delete;
virtual ~DateTimeFactory();
private:
friend class DateTime;
typedef enum DateTimeType {
Date,
Time,
DateTime
} DateTimeType;
DateTimeType type;
DateTimeFactory(DateTimeType t) : type(t) {}
};
class DateTime : public Formatter {
public:
FormattedPlaceholder format(FormattedPlaceholder&& toFormat, FunctionOptions&& options, UErrorCode& status) const override;
virtual ~DateTime();
private:
const Locale& locale;
const DateTimeFactory::DateTimeType type;
friend class DateTimeFactory;
DateTime(const Locale& l, DateTimeFactory::DateTimeType t)
: locale(l), type(t) {}
const LocalPointer<icu::DateFormat> icuFormatter;
// Methods for parsing date literals
UDate tryPatterns(const UnicodeString&, UErrorCode&) const;
UDate tryTimeZonePatterns(const UnicodeString&, UErrorCode&) const;
DateInfo createDateInfoFromString(const UnicodeString&, UErrorCode&) const;
/*
Looks up an option by name, first checking `opts`, then the cached options
in `toFormat` if applicable, and finally using a default
Ignores any options with non-string values
*/
UnicodeString getFunctionOption(const FormattedPlaceholder& toFormat,
const FunctionOptions& opts,
std::u16string_view optionName) const;
// Version for options that don't have defaults; sets the error
// code instead of returning a default value
UnicodeString getFunctionOption(const FormattedPlaceholder& toFormat,
const FunctionOptions& opts,
std::u16string_view optionName,
UErrorCode& errorCode) const;
};
// Note: IntegerFactory doesn't implement SelectorFactory;
// instead, an instance of PluralFactory is registered to the integer
// selector
// TODO
class IntegerFactory : public FormatterFactory {
public:
Formatter* createFormatter(const Locale& locale, UErrorCode& status) override;
virtual ~IntegerFactory();
};
class NumberFactory : public FormatterFactory {
public:
Formatter* createFormatter(const Locale& locale, UErrorCode& status) override;
virtual ~NumberFactory();
private:
friend class IntegerFactory;
static NumberFactory integer(const Locale& locale, UErrorCode& status);
};
class Number : public Formatter {
public:
FormattedPlaceholder format(FormattedPlaceholder&& toFormat, FunctionOptions&& options, UErrorCode& status) const override;
virtual ~Number();
private:
friend class NumberFactory;
friend class StandardFunctions;
Number(const Locale& loc) : locale(loc), icuFormatter(number::NumberFormatter::withLocale(loc)) {}
Number(const Locale& loc, bool isInt) : locale(loc), isInteger(isInt), icuFormatter(number::NumberFormatter::withLocale(loc)) {}
static Number integer(const Locale& loc);
// These options have their own accessor methods, since they have different default values.
int32_t maximumFractionDigits(const FunctionOptions& options) const;
int32_t minimumFractionDigits(const FunctionOptions& options) const;
int32_t minimumSignificantDigits(const FunctionOptions& options) const;
int32_t maximumSignificantDigits(const FunctionOptions& options) const;
int32_t minimumIntegerDigits(const FunctionOptions& options) const;
bool usePercent(const FunctionOptions& options) const;
const Locale& locale;
const bool isInteger = false;
const number::LocalizedNumberFormatter icuFormatter;
};
static number::LocalizedNumberFormatter formatterForOptions(const Number& number,
const FunctionOptions& opts,
UErrorCode& status);
class PluralFactory : public SelectorFactory {
public:
Selector* createSelector(const Locale& locale, UErrorCode& status) const override;
virtual ~PluralFactory();
private:
friend class IntegerFactory;
friend class MessageFormatter;
PluralFactory() {}
PluralFactory(bool isInt) : isInteger(isInt) {}
static PluralFactory integer() { return PluralFactory(true);}
const bool isInteger = false;
};
class Plural : public Selector {
public:
void selectKey(FormattedPlaceholder&& val,
FunctionOptions&& options,
const UnicodeString* keys,
int32_t keysLen,
UnicodeString* prefs,
int32_t& prefsLen,
UErrorCode& status) const override;
virtual ~Plural();
private:
friend class IntegerFactory;
friend class PluralFactory;
// Can't use UPluralType for this since we want to include
// exact matching as an option
typedef enum PluralType {
PLURAL_ORDINAL,
PLURAL_CARDINAL,
PLURAL_EXACT
} PluralType;
Plural(const Locale& loc, UErrorCode& errorCode);
Plural(const Locale& loc, bool isInt, UErrorCode& errorCode);
static Plural integer(const Locale& loc, UErrorCode& errorCode) { return Plural(loc, true, errorCode); }
PluralType pluralType(const FunctionOptions& opts) const;
const Locale& locale;
const bool isInteger = false;
LocalPointer<StandardFunctions::Number> numberFormatter;
};
class TextFactory : public SelectorFactory {
public:
Selector* createSelector(const Locale& locale, UErrorCode& status) const override;
virtual ~TextFactory();
};
class TextSelector : public Selector {
public:
void selectKey(FormattedPlaceholder&& val,
FunctionOptions&& options,
const UnicodeString* keys,
int32_t keysLen,
UnicodeString* prefs,
int32_t& prefsLen,
UErrorCode& status) const override;
virtual ~TextSelector();
private:
friend class TextFactory;
// Formatting `value` to a string might require the locale
const Locale& locale;
TextSelector(const Locale& l) : locale(l) {}
};
// See https://github.com/unicode-org/message-format-wg/blob/main/test/README.md
class TestFormatFactory : public FormatterFactory {
public:
Formatter* createFormatter(const Locale& locale, UErrorCode& status) override;
TestFormatFactory() {}
virtual ~TestFormatFactory();
};
class TestSelect;
class TestFormat : public Formatter {
public:
FormattedPlaceholder format(FormattedPlaceholder&& toFormat, FunctionOptions&& options, UErrorCode& status) const override;
virtual ~TestFormat();
private:
friend class TestFormatFactory;
friend class TestSelect;
TestFormat() {}
static void testFunctionParameters(const FormattedPlaceholder& arg,
const FunctionOptions& options,
int32_t& decimalPlaces,
bool& failsFormat,
bool& failsSelect,
double& input,
UErrorCode& status);
};
// See https://github.com/unicode-org/message-format-wg/blob/main/test/README.md
class TestSelectFactory : public SelectorFactory {
public:
Selector* createSelector(const Locale& locale, UErrorCode& status) const override;
TestSelectFactory() {}
virtual ~TestSelectFactory();
};
class TestSelect : public Selector {
public:
void selectKey(FormattedPlaceholder&& val,
FunctionOptions&& options,
const UnicodeString* keys,
int32_t keysLen,
UnicodeString* prefs,
int32_t& prefsLen,
UErrorCode& status) const override;
virtual ~TestSelect();
private:
friend class TestSelectFactory;
TestSelect() {}
};
};
extern void formatDateWithDefaults(const Locale& locale, const DateInfo& date, UnicodeString&, UErrorCode& errorCode);
extern number::FormattedNumber formatNumberWithDefaults(const Locale& locale, double toFormat, UErrorCode& errorCode);
extern number::FormattedNumber formatNumberWithDefaults(const Locale& locale, int32_t toFormat, UErrorCode& errorCode);
extern number::FormattedNumber formatNumberWithDefaults(const Locale& locale, int64_t toFormat, UErrorCode& errorCode);
extern number::FormattedNumber formatNumberWithDefaults(const Locale& locale, StringPiece toFormat, UErrorCode& errorCode);
extern DateFormat* defaultDateTimeInstance(const Locale&, UErrorCode&);
} // namespace message2
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_MF2 */
#endif /* #if !UCONFIG_NO_FORMATTING */
#endif /* #if !UCONFIG_NO_NORMALIZATION */
#endif /* U_SHOW_CPLUSPLUS_API */
#endif // MESSAGEFORMAT2_FUNCTION_REGISTRY_INTERNAL_H
#endif // U_HIDE_DEPRECATED_API
// eof
|
