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
|
// © 2020 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "number_usageprefs.h"
#include "cstring.h"
#include "number_decimalquantity.h"
#include "number_microprops.h"
#include "number_roundingutils.h"
#include "number_skeletons.h"
#include "unicode/char16ptr.h"
#include "unicode/currunit.h"
#include "unicode/fmtable.h"
#include "unicode/measure.h"
#include "unicode/numberformatter.h"
#include "unicode/platform.h"
#include "unicode/unum.h"
#include "unicode/urename.h"
#include "units_data.h"
using namespace icu;
using namespace icu::number;
using namespace icu::number::impl;
using icu::StringSegment;
using icu::units::ConversionRates;
// Copy constructor
StringProp::StringProp(const StringProp &other) : StringProp() {
this->operator=(other);
}
// Copy assignment operator
StringProp &StringProp::operator=(const StringProp &other) {
if (this == &other) { return *this; } // self-assignment: no-op
fLength = 0;
fError = other.fError;
if (fValue != nullptr) {
uprv_free(fValue);
fValue = nullptr;
}
if (other.fValue == nullptr) {
return *this;
}
if (U_FAILURE(other.fError)) {
// We don't bother trying to allocating memory if we're in any case busy
// copying an errored StringProp.
return *this;
}
fValue = (char *)uprv_malloc(other.fLength + 1);
if (fValue == nullptr) {
fError = U_MEMORY_ALLOCATION_ERROR;
return *this;
}
fLength = other.fLength;
uprv_strncpy(fValue, other.fValue, fLength + 1);
return *this;
}
// Move constructor
StringProp::StringProp(StringProp &&src) U_NOEXCEPT : fValue(src.fValue),
fLength(src.fLength),
fError(src.fError) {
// Take ownership away from src if necessary
src.fValue = nullptr;
}
// Move assignment operator
StringProp &StringProp::operator=(StringProp &&src) U_NOEXCEPT {
if (this == &src) {
return *this;
}
if (fValue != nullptr) {
uprv_free(fValue);
}
fValue = src.fValue;
fLength = src.fLength;
fError = src.fError;
// Take ownership away from src if necessary
src.fValue = nullptr;
return *this;
}
StringProp::~StringProp() {
if (fValue != nullptr) {
uprv_free(fValue);
fValue = nullptr;
}
}
void StringProp::set(StringPiece value) {
if (fValue != nullptr) {
uprv_free(fValue);
fValue = nullptr;
}
fLength = value.length();
fValue = (char *)uprv_malloc(fLength + 1);
if (fValue == nullptr) {
fLength = 0;
fError = U_MEMORY_ALLOCATION_ERROR;
return;
}
uprv_strncpy(fValue, value.data(), fLength);
fValue[fLength] = 0;
}
// Populates micros.mixedMeasures and modifies quantity, based on the values in
// measures.
void mixedMeasuresToMicros(const MaybeStackVector<Measure> &measures, DecimalQuantity *quantity,
MicroProps *micros, UErrorCode status) {
micros->mixedMeasuresCount = measures.length();
if (micros->mixedMeasures.getCapacity() < micros->mixedMeasuresCount) {
if (micros->mixedMeasures.resize(micros->mixedMeasuresCount) == nullptr) {
status = U_MEMORY_ALLOCATION_ERROR;
return;
}
}
for (int32_t i = 0; i < micros->mixedMeasuresCount; i++) {
switch (measures[i]->getNumber().getType()) {
case Formattable::kInt64:
micros->mixedMeasures[i] = measures[i]->getNumber().getInt64();
break;
case Formattable::kDouble:
U_ASSERT(micros->indexOfQuantity < 0);
quantity->setToDouble(measures[i]->getNumber().getDouble());
micros->indexOfQuantity = i;
break;
default:
U_ASSERT(0 == "Found a Measure Number which is neither a double nor an int");
UPRV_UNREACHABLE_EXIT;
break;
}
if (U_FAILURE(status)) {
return;
}
}
if (micros->indexOfQuantity < 0) {
// There is no quantity.
status = U_INTERNAL_PROGRAM_ERROR;
}
}
UsagePrefsHandler::UsagePrefsHandler(const Locale &locale,
const MeasureUnit &inputUnit,
const StringPiece usage,
const MicroPropsGenerator *parent,
UErrorCode &status)
: fUnitsRouter(inputUnit, StringPiece(locale.getCountry()), usage, status),
fParent(parent) {
}
void UsagePrefsHandler::processQuantity(DecimalQuantity &quantity, MicroProps µs,
UErrorCode &status) const {
fParent->processQuantity(quantity, micros, status);
if (U_FAILURE(status)) {
return;
}
quantity.roundToInfinity(); // Enables toDouble
const units::RouteResult routed = fUnitsRouter.route(quantity.toDouble(), µs.rounder, status);
if (U_FAILURE(status)) {
return;
}
const MaybeStackVector<Measure>& routedMeasures = routed.measures;
micros.outputUnit = routed.outputUnit.copy(status).build(status);
if (U_FAILURE(status)) {
return;
}
mixedMeasuresToMicros(routedMeasures, &quantity, µs, status);
}
UnitConversionHandler::UnitConversionHandler(const MeasureUnit &targetUnit,
const MicroPropsGenerator *parent, UErrorCode &status)
: fOutputUnit(targetUnit), fParent(parent) {
MeasureUnitImpl tempInput, tempOutput;
ConversionRates conversionRates(status);
if (U_FAILURE(status)) {
return;
}
const MeasureUnitImpl &targetUnitImpl =
MeasureUnitImpl::forMeasureUnit(targetUnit, tempOutput, status);
fUnitConverter.adoptInsteadAndCheckErrorCode(
new ComplexUnitsConverter(targetUnitImpl, conversionRates, status), status);
}
void UnitConversionHandler::processQuantity(DecimalQuantity &quantity, MicroProps µs,
UErrorCode &status) const {
fParent->processQuantity(quantity, micros, status);
if (U_FAILURE(status)) {
return;
}
quantity.roundToInfinity(); // Enables toDouble
MaybeStackVector<Measure> measures =
fUnitConverter->convert(quantity.toDouble(), µs.rounder, status);
micros.outputUnit = fOutputUnit;
if (U_FAILURE(status)) {
return;
}
mixedMeasuresToMicros(measures, &quantity, µs, status);
}
#endif /* #if !UCONFIG_NO_FORMATTING */
|
