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
|
// © 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_FORMATTING
#if !UCONFIG_NO_MF2
#include "unicode/datefmt.h"
#include "unicode/messageformat2_function_registry.h"
U_NAMESPACE_BEGIN
namespace message2 {
// 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;
static UnicodeString getStringOption(const FunctionOptions& opts,
const UnicodeString& 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;
/*
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,
const UnicodeString& 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,
const UnicodeString& 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) : locale(loc) {}
Plural(const Locale& loc, bool isInt) : locale(loc), isInteger(isInt) {}
static Plural integer(const Locale& loc) { return Plural(loc, true); }
PluralType pluralType(const FunctionOptions& opts) const;
const Locale& locale;
const bool isInteger = false;
};
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) {}
};
};
extern void formatDateWithDefaults(const Locale& locale, UDate 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 /* U_SHOW_CPLUSPLUS_API */
#endif // MESSAGEFORMAT2_FUNCTION_REGISTRY_INTERNAL_H
#endif // U_HIDE_DEPRECATED_API
// eof
|
