icuSources/i18n/number_decimfmtprops.cpp

   1 // © 2017 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_FORMATTING
   7
   8 #include "number_decimfmtprops.h"
   9 #include "umutex.h"
  10
  11 using namespace icu;
  12 using namespace icu::number;
  13 using namespace icu::number::impl;
  14
  15
  16 namespace {
  17
  18 char kRawDefaultProperties[sizeof(DecimalFormatProperties)];
  19
  20 icu::UInitOnce gDefaultPropertiesInitOnce = U_INITONCE_INITIALIZER;
  21
  22 void U_CALLCONV initDefaultProperties(UErrorCode&) {
  23     new(kRawDefaultProperties) DecimalFormatProperties(); // set to the default instance
  24 }
  25
  26 }
  27
  28
  29 DecimalFormatProperties::DecimalFormatProperties() {
  30     clear();
  31 }
  32
  33 void DecimalFormatProperties::clear() {
  34     compactStyle.nullify();
  35     currency.nullify();
  36     currencyPluralInfo.fPtr.adoptInstead(nullptr);
  37     currencyUsage.nullify();
  38     decimalPatternMatchRequired = false;
  39     decimalSeparatorAlwaysShown = false;
  40     exponentSignAlwaysShown = false;
  41     formatFailIfMoreThanMaxDigits = false;
  42     formatWidth = -1;
  43     groupingSize = -1;
  44     groupingUsed = true;
  45     magnitudeMultiplier = 0;
  46     maximumFractionDigits = -1;
  47     maximumIntegerDigits = -1;
  48     maximumSignificantDigits = -1;
  49     minimumExponentDigits = -1;
  50     minimumFractionDigits = -1;
  51     minimumGroupingDigits = -1;
  52     minimumIntegerDigits = -1;
  53     minimumSignificantDigits = -1;
  54     multiplier = 1;
  55     multiplierScale = 0;
  56     negativePrefix.setToBogus();
  57     negativePrefixPattern.setToBogus();
  58     negativeSuffix.setToBogus();
  59     negativeSuffixPattern.setToBogus();
  60     padPosition.nullify();
  61     padString.setToBogus();
  62     parseCaseSensitive = false;
  63     parseIntegerOnly = false;
  64     parseMode.nullify();
  65     parseNoExponent = false;
  66     parseToBigDecimal = false;
  67     parseAllInput = UNUM_MAYBE;
  68     positivePrefix.setToBogus();
  69     positivePrefixPattern.setToBogus();
  70     positiveSuffix.setToBogus();
  71     positiveSuffixPattern.setToBogus();
  72     roundingIncrement = 0.0;
  73     roundingMode.nullify();
  74     secondaryGroupingSize = -1;
  75     signAlwaysShown = false;
  76 }
  77
  78 bool
  79 DecimalFormatProperties::_equals(const DecimalFormatProperties& other, bool ignoreForFastFormat) const {
  80     bool eq = true;
  81
  82     // Properties that must be equal both normally and for fast-path formatting
  83     eq = eq && compactStyle == other.compactStyle;
  84     eq = eq && currency == other.currency;
  85     eq = eq && currencyPluralInfo.fPtr.getAlias() == other.currencyPluralInfo.fPtr.getAlias();
  86     eq = eq && currencyUsage == other.currencyUsage;
  87     eq = eq && decimalSeparatorAlwaysShown == other.decimalSeparatorAlwaysShown;
  88     eq = eq && exponentSignAlwaysShown == other.exponentSignAlwaysShown;
  89     eq = eq && formatFailIfMoreThanMaxDigits == other.formatFailIfMoreThanMaxDigits;
  90     eq = eq && formatWidth == other.formatWidth;
  91     eq = eq && magnitudeMultiplier == other.magnitudeMultiplier;
  92     eq = eq && maximumSignificantDigits == other.maximumSignificantDigits;
  93     eq = eq && minimumExponentDigits == other.minimumExponentDigits;
  94     eq = eq && minimumGroupingDigits == other.minimumGroupingDigits;
  95     eq = eq && minimumSignificantDigits == other.minimumSignificantDigits;
  96     eq = eq && multiplier == other.multiplier;
  97     eq = eq && multiplierScale == other.multiplierScale;
  98     eq = eq && negativePrefix == other.negativePrefix;
  99     eq = eq && negativeSuffix == other.negativeSuffix;
 100     eq = eq && padPosition == other.padPosition;
 101     eq = eq && padString == other.padString;
 102     eq = eq && positivePrefix == other.positivePrefix;
 103     eq = eq && positiveSuffix == other.positiveSuffix;
 104     eq = eq && roundingIncrement == other.roundingIncrement;
 105     eq = eq && roundingMode == other.roundingMode;
 106     eq = eq && secondaryGroupingSize == other.secondaryGroupingSize;
 107     eq = eq && signAlwaysShown == other.signAlwaysShown;
 108
 109     if (ignoreForFastFormat) {
 110         return eq;
 111     }
 112
 113     // Properties ignored by fast-path formatting
 114     // Formatting (special handling required):
 115     eq = eq && groupingSize == other.groupingSize;
 116     eq = eq && groupingUsed == other.groupingUsed;
 117     eq = eq && minimumFractionDigits == other.minimumFractionDigits;
 118     eq = eq && maximumFractionDigits == other.maximumFractionDigits;
 119     eq = eq && maximumIntegerDigits == other.maximumIntegerDigits;
 120     eq = eq && minimumIntegerDigits == other.minimumIntegerDigits;
 121     eq = eq && negativePrefixPattern == other.negativePrefixPattern;
 122     eq = eq && negativeSuffixPattern == other.negativeSuffixPattern;
 123     eq = eq && positivePrefixPattern == other.positivePrefixPattern;
 124     eq = eq && positiveSuffixPattern == other.positiveSuffixPattern;
 125
 126     // Parsing (always safe to ignore):
 127     eq = eq && decimalPatternMatchRequired == other.decimalPatternMatchRequired;
 128     eq = eq && parseCaseSensitive == other.parseCaseSensitive;
 129     eq = eq && parseIntegerOnly == other.parseIntegerOnly;
 130     eq = eq && parseMode == other.parseMode;
 131     eq = eq && parseNoExponent == other.parseNoExponent;
 132     eq = eq && parseToBigDecimal == other.parseToBigDecimal;
 133     eq = eq && parseAllInput == other.parseAllInput;
 134
 135     return eq;
 136 }
 137
 138 bool DecimalFormatProperties::equalsDefaultExceptFastFormat() const {
 139     UErrorCode localStatus = U_ZERO_ERROR;
 140     umtx_initOnce(gDefaultPropertiesInitOnce, &initDefaultProperties, localStatus);
 141     return _equals(*reinterpret_cast<DecimalFormatProperties*>(kRawDefaultProperties), true);
 142 }
 143
 144 #endif /* #if !UCONFIG_NO_FORMATTING */