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
|
// © 2017 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
#include <_foundation_unicode/utypes.h>
#if !UCONFIG_NO_FORMATTING
#include <_foundation_unicode/numberformatter.h>
#include "number_patternstring.h"
#include "uresimp.h"
using namespace icu;
using namespace icu::number;
using namespace icu::number::impl;
namespace {
int16_t getMinGroupingForLocale(const Locale& locale) {
// TODO: Cache this?
UErrorCode localStatus = U_ZERO_ERROR;
LocalUResourceBundlePointer bundle(ures_open(nullptr, locale.getName(), &localStatus));
int32_t resultLen = 0;
const char16_t* result = ures_getStringByKeyWithFallback(
bundle.getAlias(),
"NumberElements/minimumGroupingDigits",
&resultLen,
&localStatus);
// TODO: Is it safe to assume resultLen == 1? Would locales set minGrouping >= 10?
if (U_FAILURE(localStatus) || resultLen != 1) {
return 1;
}
return result[0] - u'0';
}
}
Grouper Grouper::forStrategy(UNumberGroupingStrategy grouping) {
switch (grouping) {
case UNUM_GROUPING_OFF:
return {-1, -1, -2, grouping};
case UNUM_GROUPING_AUTO:
return {-2, -2, -2, grouping};
case UNUM_GROUPING_MIN2:
return {-2, -2, -3, grouping};
case UNUM_GROUPING_ON_ALIGNED:
return {-4, -4, 1, grouping};
case UNUM_GROUPING_THOUSANDS:
return {3, 3, 1, grouping};
default:
UPRV_UNREACHABLE_EXIT;
}
}
Grouper Grouper::forProperties(const DecimalFormatProperties& properties) {
if (!properties.groupingUsed) {
return forStrategy(UNUM_GROUPING_OFF);
}
auto grouping1 = static_cast<int16_t>(properties.groupingSize);
auto grouping2 = static_cast<int16_t>(properties.secondaryGroupingSize);
auto minGrouping = static_cast<int16_t>(properties.minimumGroupingDigits);
grouping1 = grouping1 > 0 ? grouping1 : grouping2 > 0 ? grouping2 : grouping1;
grouping2 = grouping2 > 0 ? grouping2 : grouping1;
#if APPLE_ICU_CHANGES
// rdar:/
// next line: use locale data if not set rdar://49808819; handle new -3 = UNUM_MINIMUM_GROUPING_DIGITS_MIN2
minGrouping = (minGrouping > 0 || minGrouping == -3) ? minGrouping : -2;
#endif // APPLE_ICU_CHANGES
return {grouping1, grouping2, minGrouping, UNUM_GROUPING_COUNT};
}
void Grouper::setLocaleData(const impl::ParsedPatternInfo &patternInfo, const Locale& locale) {
if (fMinGrouping == -2) {
fMinGrouping = getMinGroupingForLocale(locale);
} else if (fMinGrouping == -3) {
fMinGrouping = static_cast<int16_t>(uprv_max(2, getMinGroupingForLocale(locale)));
} else {
// leave fMinGrouping alone
}
if (fGrouping1 != -2 && fGrouping2 != -4) {
#if APPLE_ICU_CHANGES
// rdar:/
if (fMinGrouping == -2) { // add test rdar://49808819
fMinGrouping = getMinGroupingForLocale(locale);
}
#endif // APPLE_ICU_CHANGES
return;
}
auto grouping1 = static_cast<int16_t> (patternInfo.positive.groupingSizes & 0xffff);
auto grouping2 = static_cast<int16_t> ((patternInfo.positive.groupingSizes >> 16) & 0xffff);
auto grouping3 = static_cast<int16_t> ((patternInfo.positive.groupingSizes >> 32) & 0xffff);
if (grouping2 == -1) {
grouping1 = fGrouping1 == -4 ? (short) 3 : (short) -1;
}
if (grouping3 == -1) {
grouping2 = grouping1;
}
fGrouping1 = grouping1;
fGrouping2 = grouping2;
}
bool Grouper::groupAtPosition(int32_t position, const impl::DecimalQuantity &value) const {
U_ASSERT(fGrouping1 > -2);
if (fGrouping1 == -1 || fGrouping1 == 0) {
// Either -1 or 0 means "no grouping"
return false;
}
position -= fGrouping1;
return position >= 0 && (position % fGrouping2) == 0
&& value.getUpperDisplayMagnitude() - fGrouping1 + 1 >= fMinGrouping;
}
int16_t Grouper::getPrimary() const {
return fGrouping1;
}
int16_t Grouper::getSecondary() const {
return fGrouping2;
}
#endif /* #if !UCONFIG_NO_FORMATTING */
|
