File: | root/firefox-clang/intl/icu/source/i18n/number_usageprefs.cpp |
Warning: | line 119, column 13 Value stored to 'status' is never read |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
1 | // © 2020 and later: Unicode, Inc. and others. |
2 | // License & terms of use: http://www.unicode.org/copyright.html |
3 | |
4 | #include "unicode/utypes.h" |
5 | |
6 | #if !UCONFIG_NO_FORMATTING0 |
7 | |
8 | #include "number_usageprefs.h" |
9 | #include "cstring.h" |
10 | #include "number_decimalquantity.h" |
11 | #include "number_microprops.h" |
12 | #include "number_roundingutils.h" |
13 | #include "number_skeletons.h" |
14 | #include "unicode/char16ptr.h" |
15 | #include "unicode/currunit.h" |
16 | #include "unicode/fmtable.h" |
17 | #include "unicode/measure.h" |
18 | #include "unicode/numberformatter.h" |
19 | #include "unicode/platform.h" |
20 | #include "unicode/unum.h" |
21 | #include "unicode/urename.h" |
22 | #include "units_data.h" |
23 | |
24 | using namespace icu; |
25 | using namespace icu::number; |
26 | using namespace icu::number::impl; |
27 | using icu::StringSegment; |
28 | using icu::units::ConversionRates; |
29 | |
30 | // Copy constructor |
31 | StringProp::StringProp(const StringProp &other) : StringProp() { |
32 | this->operator=(other); |
33 | } |
34 | |
35 | // Copy assignment operator |
36 | StringProp &StringProp::operator=(const StringProp &other) { |
37 | if (this == &other) { return *this; } // self-assignment: no-op |
38 | fLength = 0; |
39 | fError = other.fError; |
40 | if (fValue != nullptr) { |
41 | uprv_freeuprv_free_77(fValue); |
42 | fValue = nullptr; |
43 | } |
44 | if (other.fValue == nullptr) { |
45 | return *this; |
46 | } |
47 | if (U_FAILURE(other.fError)) { |
48 | // We don't bother trying to allocating memory if we're in any case busy |
49 | // copying an errored StringProp. |
50 | return *this; |
51 | } |
52 | fValue = static_cast<char*>(uprv_mallocuprv_malloc_77(other.fLength + 1)); |
53 | if (fValue == nullptr) { |
54 | fError = U_MEMORY_ALLOCATION_ERROR; |
55 | return *this; |
56 | } |
57 | fLength = other.fLength; |
58 | uprv_strncpy(fValue, other.fValue, fLength + 1):: strncpy(fValue, other.fValue, fLength + 1); |
59 | return *this; |
60 | } |
61 | |
62 | // Move constructor |
63 | StringProp::StringProp(StringProp &&src) noexcept : fValue(src.fValue), |
64 | fLength(src.fLength), |
65 | fError(src.fError) { |
66 | // Take ownership away from src if necessary |
67 | src.fValue = nullptr; |
68 | } |
69 | |
70 | // Move assignment operator |
71 | StringProp &StringProp::operator=(StringProp &&src) noexcept { |
72 | if (this == &src) { |
73 | return *this; |
74 | } |
75 | if (fValue != nullptr) { |
76 | uprv_freeuprv_free_77(fValue); |
77 | } |
78 | fValue = src.fValue; |
79 | fLength = src.fLength; |
80 | fError = src.fError; |
81 | // Take ownership away from src if necessary |
82 | src.fValue = nullptr; |
83 | return *this; |
84 | } |
85 | |
86 | StringProp::~StringProp() { |
87 | if (fValue != nullptr) { |
88 | uprv_freeuprv_free_77(fValue); |
89 | fValue = nullptr; |
90 | } |
91 | } |
92 | |
93 | void StringProp::set(StringPiece value) { |
94 | if (fValue != nullptr) { |
95 | uprv_freeuprv_free_77(fValue); |
96 | fValue = nullptr; |
97 | } |
98 | fLength = value.length(); |
99 | fValue = static_cast<char*>(uprv_mallocuprv_malloc_77(fLength + 1)); |
100 | if (fValue == nullptr) { |
101 | fLength = 0; |
102 | fError = U_MEMORY_ALLOCATION_ERROR; |
103 | return; |
104 | } |
105 | if (fLength > 0) { |
106 | uprv_strncpy(fValue, value.data(), fLength):: strncpy(fValue, value.data(), fLength); |
107 | } |
108 | fValue[fLength] = 0; |
109 | } |
110 | |
111 | // Populates micros.mixedMeasures and modifies quantity, based on the values in |
112 | // measures. |
113 | void mixedMeasuresToMicrosmixedMeasuresToMicros_77(const MaybeStackVector<Measure> &measures, DecimalQuantity *quantity, |
114 | MicroProps *micros, UErrorCode status) { |
115 | micros->mixedMeasuresCount = measures.length(); |
116 | |
117 | if (micros->mixedMeasures.getCapacity() < micros->mixedMeasuresCount) { |
118 | if (micros->mixedMeasures.resize(micros->mixedMeasuresCount) == nullptr) { |
119 | status = U_MEMORY_ALLOCATION_ERROR; |
Value stored to 'status' is never read | |
120 | return; |
121 | } |
122 | } |
123 | |
124 | for (int32_t i = 0; i < micros->mixedMeasuresCount; i++) { |
125 | switch (measures[i]->getNumber().getType()) { |
126 | case Formattable::kInt64: |
127 | micros->mixedMeasures[i] = measures[i]->getNumber().getInt64(); |
128 | break; |
129 | |
130 | case Formattable::kDouble: |
131 | U_ASSERT(micros->indexOfQuantity < 0)(static_cast <bool> (micros->indexOfQuantity < 0) ? void (0) : __assert_fail ("micros->indexOfQuantity < 0" , __builtin_FILE (), __builtin_LINE (), __extension__ __PRETTY_FUNCTION__ )); |
132 | quantity->setToDouble(measures[i]->getNumber().getDouble()); |
133 | micros->indexOfQuantity = i; |
134 | break; |
135 | |
136 | default: |
137 | U_ASSERT(0 == "Found a Measure Number which is neither a double nor an int")(static_cast <bool> (0 == "Found a Measure Number which is neither a double nor an int" ) ? void (0) : __assert_fail ("0 == \"Found a Measure Number which is neither a double nor an int\"" , __builtin_FILE (), __builtin_LINE (), __extension__ __PRETTY_FUNCTION__ )); |
138 | UPRV_UNREACHABLE_EXITabort(); |
139 | break; |
140 | } |
141 | |
142 | if (U_FAILURE(status)) { |
143 | return; |
144 | } |
145 | } |
146 | |
147 | if (micros->indexOfQuantity < 0) { |
148 | // There is no quantity. |
149 | status = U_INTERNAL_PROGRAM_ERROR; |
150 | } |
151 | } |
152 | |
153 | UsagePrefsHandler::UsagePrefsHandler(const Locale &locale, |
154 | const MeasureUnit &inputUnit, |
155 | const StringPiece usage, |
156 | const MicroPropsGenerator *parent, |
157 | UErrorCode &status) |
158 | : fUnitsRouter(inputUnit, locale, usage, status), |
159 | fParent(parent) { |
160 | } |
161 | |
162 | void UsagePrefsHandler::processQuantity(DecimalQuantity &quantity, MicroProps µs, |
163 | UErrorCode &status) const { |
164 | fParent->processQuantity(quantity, micros, status); |
165 | if (U_FAILURE(status)) { |
166 | return; |
167 | } |
168 | |
169 | quantity.roundToInfinity(); // Enables toDouble |
170 | const units::RouteResult routed = fUnitsRouter.route(quantity.toDouble(), µs.rounder, status); |
171 | if (U_FAILURE(status)) { |
172 | return; |
173 | } |
174 | const MaybeStackVector<Measure>& routedMeasures = routed.measures; |
175 | micros.outputUnit = routed.outputUnit.copy(status).build(status); |
176 | if (U_FAILURE(status)) { |
177 | return; |
178 | } |
179 | |
180 | mixedMeasuresToMicrosmixedMeasuresToMicros_77(routedMeasures, &quantity, µs, status); |
181 | } |
182 | |
183 | UnitConversionHandler::UnitConversionHandler(const MeasureUnit &targetUnit, |
184 | const MicroPropsGenerator *parent, UErrorCode &status) |
185 | : fOutputUnit(targetUnit), fParent(parent) { |
186 | MeasureUnitImpl tempInput, tempOutput; |
187 | |
188 | ConversionRates conversionRates(status); |
189 | if (U_FAILURE(status)) { |
190 | return; |
191 | } |
192 | |
193 | const MeasureUnitImpl &targetUnitImpl = |
194 | MeasureUnitImpl::forMeasureUnit(targetUnit, tempOutput, status); |
195 | fUnitConverter.adoptInsteadAndCheckErrorCode( |
196 | new ComplexUnitsConverter(targetUnitImpl, conversionRates, status), status); |
197 | } |
198 | |
199 | void UnitConversionHandler::processQuantity(DecimalQuantity &quantity, MicroProps µs, |
200 | UErrorCode &status) const { |
201 | fParent->processQuantity(quantity, micros, status); |
202 | if (U_FAILURE(status)) { |
203 | return; |
204 | } |
205 | quantity.roundToInfinity(); // Enables toDouble |
206 | MaybeStackVector<Measure> measures = |
207 | fUnitConverter->convert(quantity.toDouble(), µs.rounder, status); |
208 | micros.outputUnit = fOutputUnit; |
209 | if (U_FAILURE(status)) { |
210 | return; |
211 | } |
212 | |
213 | mixedMeasuresToMicrosmixedMeasuresToMicros_77(measures, &quantity, µs, status); |
214 | } |
215 | |
216 | #endif /* #if !UCONFIG_NO_FORMATTING */ |