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
|
// © 2018 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
// Allow implicit conversion from char16_t* to UnicodeString for this file:
// Helpful in toString methods and elsewhere.
#define UNISTR_FROM_STRING_EXPLICIT
#include "unicode/numberrangeformatter.h"
#include "pluralranges.h"
#include "uresimp.h"
#include "charstr.h"
#include "uassert.h"
#include "util.h"
#include "numrange_impl.h"
U_NAMESPACE_BEGIN
namespace {
class PluralRangesDataSink : public ResourceSink {
public:
PluralRangesDataSink(StandardPluralRanges& output) : fOutput(output) {}
void put(const char* /*key*/, ResourceValue& value, UBool /*noFallback*/, UErrorCode& status) override {
ResourceArray entriesArray = value.getArray(status);
if (U_FAILURE(status)) { return; }
fOutput.setCapacity(entriesArray.getSize(), status);
if (U_FAILURE(status)) { return; }
for (int i = 0; entriesArray.getValue(i, value); i++) {
ResourceArray pluralFormsArray = value.getArray(status);
if (U_FAILURE(status)) { return; }
if (pluralFormsArray.getSize() != 3) {
status = U_RESOURCE_TYPE_MISMATCH;
return;
}
pluralFormsArray.getValue(0, value);
StandardPlural::Form first = StandardPlural::fromString(value.getUnicodeString(status), status);
if (U_FAILURE(status)) { return; }
pluralFormsArray.getValue(1, value);
StandardPlural::Form second = StandardPlural::fromString(value.getUnicodeString(status), status);
if (U_FAILURE(status)) { return; }
pluralFormsArray.getValue(2, value);
StandardPlural::Form result = StandardPlural::fromString(value.getUnicodeString(status), status);
if (U_FAILURE(status)) { return; }
fOutput.addPluralRange(first, second, result);
}
}
private:
StandardPluralRanges& fOutput;
};
void getPluralRangesData(const Locale& locale, StandardPluralRanges& output, UErrorCode& status) {
LocalUResourceBundlePointer rb(ures_openDirect(nullptr, "pluralRanges", &status));
if (U_FAILURE(status)) { return; }
CharString dataPath;
dataPath.append("locales/", -1, status);
dataPath.append(locale.getLanguage(), -1, status);
if (U_FAILURE(status)) { return; }
int32_t setLen;
// Not all languages are covered: fail gracefully
UErrorCode internalStatus = U_ZERO_ERROR;
const char16_t* set = ures_getStringByKeyWithFallback(rb.getAlias(), dataPath.data(), &setLen, &internalStatus);
if (U_FAILURE(internalStatus)) { return; }
dataPath.clear();
dataPath.append("rules/", -1, status);
dataPath.appendInvariantChars(set, setLen, status);
if (U_FAILURE(status)) { return; }
PluralRangesDataSink sink(output);
ures_getAllItemsWithFallback(rb.getAlias(), dataPath.data(), sink, status);
}
} // namespace
StandardPluralRanges
StandardPluralRanges::forLocale(const Locale& locale, UErrorCode& status) {
StandardPluralRanges result;
getPluralRangesData(locale, result, status);
return result;
}
StandardPluralRanges
StandardPluralRanges::copy(UErrorCode& status) const {
StandardPluralRanges result;
if (fTriplesLen > result.fTriples.getCapacity()) {
if (result.fTriples.resize(fTriplesLen) == nullptr) {
status = U_MEMORY_ALLOCATION_ERROR;
return result;
}
}
uprv_memcpy(result.fTriples.getAlias(),
fTriples.getAlias(),
fTriplesLen * sizeof(fTriples[0]));
result.fTriplesLen = fTriplesLen;
return result;
}
LocalPointer<StandardPluralRanges>
StandardPluralRanges::toPointer(UErrorCode& status) && noexcept {
return LocalPointer<StandardPluralRanges>(new StandardPluralRanges(std::move(*this)), status);
}
void StandardPluralRanges::addPluralRange(
StandardPlural::Form first,
StandardPlural::Form second,
StandardPlural::Form result) {
U_ASSERT(fTriplesLen < fTriples.getCapacity());
fTriples[fTriplesLen] = {first, second, result};
fTriplesLen++;
}
void StandardPluralRanges::setCapacity(int32_t length, UErrorCode& status) {
if (U_FAILURE(status)) { return; }
if (length > fTriples.getCapacity()) {
if (fTriples.resize(length, 0) == nullptr) {
status = U_MEMORY_ALLOCATION_ERROR;
}
}
}
StandardPlural::Form
StandardPluralRanges::resolve(StandardPlural::Form first, StandardPlural::Form second) const {
for (int32_t i=0; i<fTriplesLen; i++) {
const auto& triple = fTriples[i];
if (triple.first == first && triple.second == second) {
return triple.result;
}
}
// Default fallback
return StandardPlural::OTHER;
}
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_FORMATTING */
|
