diff options
Diffstat (limited to 'deps/node/deps/icu-small/source/i18n/number_skeletons.h')
| -rw-r--r-- | deps/node/deps/icu-small/source/i18n/number_skeletons.h | 327 |
1 files changed, 0 insertions, 327 deletions
diff --git a/deps/node/deps/icu-small/source/i18n/number_skeletons.h b/deps/node/deps/icu-small/source/i18n/number_skeletons.h deleted file mode 100644 index 0161f5f0..00000000 --- a/deps/node/deps/icu-small/source/i18n/number_skeletons.h +++ /dev/null @@ -1,327 +0,0 @@ -// © 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 -#ifndef __SOURCE_NUMBER_SKELETONS_H__ -#define __SOURCE_NUMBER_SKELETONS_H__ - -#include "number_types.h" -#include "numparse_types.h" -#include "unicode/ucharstrie.h" - -using icu::numparse::impl::StringSegment; - -U_NAMESPACE_BEGIN namespace number { -namespace impl { - -// Forward-declaration -struct SeenMacroProps; - -// namespace for enums and entrypoint functions -namespace skeleton { - -/////////////////////////////////////////////////////////////////////////////////////// -// NOTE: For an example of how to add a new stem to the number skeleton parser, see: // -// http://bugs.icu-project.org/trac/changeset/41193 // -/////////////////////////////////////////////////////////////////////////////////////// - -/** - * While parsing a skeleton, this enum records what type of option we expect to find next. - */ -enum ParseState { - - // Section 0: We expect whitespace or a stem, but not an option: - - STATE_NULL, - - // Section 1: We might accept an option, but it is not required: - - STATE_SCIENTIFIC, - STATE_FRACTION_PRECISION, - - // Section 2: An option is required: - - STATE_INCREMENT_PRECISION, - STATE_MEASURE_UNIT, - STATE_PER_MEASURE_UNIT, - STATE_CURRENCY_UNIT, - STATE_INTEGER_WIDTH, - STATE_NUMBERING_SYSTEM, - STATE_SCALE, -}; - -/** - * All possible stem literals have an entry in the StemEnum. The enum name is the kebab case stem - * string literal written in upper snake case. - * - * @see StemToObject - * @see #SERIALIZED_STEM_TRIE - */ -enum StemEnum { - - // Section 1: Stems that do not require an option: - - STEM_COMPACT_SHORT, - STEM_COMPACT_LONG, - STEM_SCIENTIFIC, - STEM_ENGINEERING, - STEM_NOTATION_SIMPLE, - STEM_BASE_UNIT, - STEM_PERCENT, - STEM_PERMILLE, - STEM_PRECISION_INTEGER, - STEM_PRECISION_UNLIMITED, - STEM_PRECISION_CURRENCY_STANDARD, - STEM_PRECISION_CURRENCY_CASH, - STEM_ROUNDING_MODE_CEILING, - STEM_ROUNDING_MODE_FLOOR, - STEM_ROUNDING_MODE_DOWN, - STEM_ROUNDING_MODE_UP, - STEM_ROUNDING_MODE_HALF_EVEN, - STEM_ROUNDING_MODE_HALF_DOWN, - STEM_ROUNDING_MODE_HALF_UP, - STEM_ROUNDING_MODE_UNNECESSARY, - STEM_GROUP_OFF, - STEM_GROUP_MIN2, - STEM_GROUP_AUTO, - STEM_GROUP_ON_ALIGNED, - STEM_GROUP_THOUSANDS, - STEM_LATIN, - STEM_UNIT_WIDTH_NARROW, - STEM_UNIT_WIDTH_SHORT, - STEM_UNIT_WIDTH_FULL_NAME, - STEM_UNIT_WIDTH_ISO_CODE, - STEM_UNIT_WIDTH_HIDDEN, - STEM_SIGN_AUTO, - STEM_SIGN_ALWAYS, - STEM_SIGN_NEVER, - STEM_SIGN_ACCOUNTING, - STEM_SIGN_ACCOUNTING_ALWAYS, - STEM_SIGN_EXCEPT_ZERO, - STEM_SIGN_ACCOUNTING_EXCEPT_ZERO, - STEM_DECIMAL_AUTO, - STEM_DECIMAL_ALWAYS, - - // Section 2: Stems that DO require an option: - - STEM_PRECISION_INCREMENT, - STEM_MEASURE_UNIT, - STEM_PER_MEASURE_UNIT, - STEM_CURRENCY, - STEM_INTEGER_WIDTH, - STEM_NUMBERING_SYSTEM, - STEM_SCALE, -}; - -/** - * Creates a NumberFormatter corresponding to the given skeleton string. - * - * @param skeletonString - * A number skeleton string, possibly not in its shortest form. - * @return An UnlocalizedNumberFormatter with behavior defined by the given skeleton string. - */ -UnlocalizedNumberFormatter create(const UnicodeString& skeletonString, UErrorCode& status); - -/** - * Create a skeleton string corresponding to the given NumberFormatter. - * - * @param macros - * The NumberFormatter options object. - * @return A skeleton string in normalized form. - */ -UnicodeString generate(const MacroProps& macros, UErrorCode& status); - -/** - * Converts from a skeleton string to a MacroProps. This method contains the primary parse loop. - * - * Internal: use the create() endpoint instead of this function. - */ -MacroProps parseSkeleton(const UnicodeString& skeletonString, UErrorCode& status); - -/** - * Given that the current segment represents a stem, parse it and save the result. - * - * @return The next state after parsing this stem, corresponding to what subset of options to expect. - */ -ParseState parseStem(const StringSegment& segment, const UCharsTrie& stemTrie, SeenMacroProps& seen, - MacroProps& macros, UErrorCode& status); - -/** - * Given that the current segment represents an option, parse it and save the result. - * - * @return The next state after parsing this option, corresponding to what subset of options to - * expect next. - */ -ParseState -parseOption(ParseState stem, const StringSegment& segment, MacroProps& macros, UErrorCode& status); - -} // namespace skeleton - - -/** - * Namespace for utility methods that convert from StemEnum to corresponding objects or enums. This - * applies to only the "Section 1" stems, those that are well-defined without an option. - */ -namespace stem_to_object { - -Notation notation(skeleton::StemEnum stem); - -MeasureUnit unit(skeleton::StemEnum stem); - -Precision precision(skeleton::StemEnum stem); - -UNumberFormatRoundingMode roundingMode(skeleton::StemEnum stem); - -UGroupingStrategy groupingStrategy(skeleton::StemEnum stem); - -UNumberUnitWidth unitWidth(skeleton::StemEnum stem); - -UNumberSignDisplay signDisplay(skeleton::StemEnum stem); - -UNumberDecimalSeparatorDisplay decimalSeparatorDisplay(skeleton::StemEnum stem); - -} // namespace stem_to_object - -/** - * Namespace for utility methods that convert from enums to stem strings. More complex object conversions - * take place in the object_to_stem_string namespace. - */ -namespace enum_to_stem_string { - -void roundingMode(UNumberFormatRoundingMode value, UnicodeString& sb); - -void groupingStrategy(UGroupingStrategy value, UnicodeString& sb); - -void unitWidth(UNumberUnitWidth value, UnicodeString& sb); - -void signDisplay(UNumberSignDisplay value, UnicodeString& sb); - -void decimalSeparatorDisplay(UNumberDecimalSeparatorDisplay value, UnicodeString& sb); - -} // namespace enum_to_stem_string - -/** - * Namespace for utility methods for processing stems and options that cannot be interpreted literally. - */ -namespace blueprint_helpers { - -/** @return Whether we successfully found and parsed an exponent width option. */ -bool parseExponentWidthOption(const StringSegment& segment, MacroProps& macros, UErrorCode& status); - -void generateExponentWidthOption(int32_t minExponentDigits, UnicodeString& sb, UErrorCode& status); - -/** @return Whether we successfully found and parsed an exponent sign option. */ -bool parseExponentSignOption(const StringSegment& segment, MacroProps& macros, UErrorCode& status); - -void parseCurrencyOption(const StringSegment& segment, MacroProps& macros, UErrorCode& status); - -void generateCurrencyOption(const CurrencyUnit& currency, UnicodeString& sb, UErrorCode& status); - -void parseMeasureUnitOption(const StringSegment& segment, MacroProps& macros, UErrorCode& status); - -void generateMeasureUnitOption(const MeasureUnit& measureUnit, UnicodeString& sb, UErrorCode& status); - -void parseMeasurePerUnitOption(const StringSegment& segment, MacroProps& macros, UErrorCode& status); - -void parseFractionStem(const StringSegment& segment, MacroProps& macros, UErrorCode& status); - -void generateFractionStem(int32_t minFrac, int32_t maxFrac, UnicodeString& sb, UErrorCode& status); - -void parseDigitsStem(const StringSegment& segment, MacroProps& macros, UErrorCode& status); - -void generateDigitsStem(int32_t minSig, int32_t maxSig, UnicodeString& sb, UErrorCode& status); - -/** @return Whether we successfully found and parsed a frac-sig option. */ -bool parseFracSigOption(const StringSegment& segment, MacroProps& macros, UErrorCode& status); - -void parseIncrementOption(const StringSegment& segment, MacroProps& macros, UErrorCode& status); - -void -generateIncrementOption(double increment, int32_t trailingZeros, UnicodeString& sb, UErrorCode& status); - -void parseIntegerWidthOption(const StringSegment& segment, MacroProps& macros, UErrorCode& status); - -void generateIntegerWidthOption(int32_t minInt, int32_t maxInt, UnicodeString& sb, UErrorCode& status); - -void parseNumberingSystemOption(const StringSegment& segment, MacroProps& macros, UErrorCode& status); - -void generateNumberingSystemOption(const NumberingSystem& ns, UnicodeString& sb, UErrorCode& status); - -void parseScaleOption(const StringSegment& segment, MacroProps& macros, UErrorCode& status); - -void generateScaleOption(int32_t magnitude, const DecNum* arbitrary, UnicodeString& sb, - UErrorCode& status); - -} // namespace blueprint_helpers - -/** - * Class for utility methods for generating a token corresponding to each macro-prop. Each method - * returns whether or not a token was written to the string builder. - * - * This needs to be a class, not a namespace, so it can be friended. - */ -class GeneratorHelpers { - public: - /** - * Main skeleton generator function. Appends the normalized skeleton for the MacroProps to the given - * StringBuilder. - * - * Internal: use the create() endpoint instead of this function. - */ - static void generateSkeleton(const MacroProps& macros, UnicodeString& sb, UErrorCode& status); - - private: - static bool notation(const MacroProps& macros, UnicodeString& sb, UErrorCode& status); - - static bool unit(const MacroProps& macros, UnicodeString& sb, UErrorCode& status); - - static bool perUnit(const MacroProps& macros, UnicodeString& sb, UErrorCode& status); - - static bool precision(const MacroProps& macros, UnicodeString& sb, UErrorCode& status); - - static bool roundingMode(const MacroProps& macros, UnicodeString& sb, UErrorCode& status); - - static bool grouping(const MacroProps& macros, UnicodeString& sb, UErrorCode& status); - - static bool integerWidth(const MacroProps& macros, UnicodeString& sb, UErrorCode& status); - - static bool symbols(const MacroProps& macros, UnicodeString& sb, UErrorCode& status); - - static bool unitWidth(const MacroProps& macros, UnicodeString& sb, UErrorCode& status); - - static bool sign(const MacroProps& macros, UnicodeString& sb, UErrorCode& status); - - static bool decimal(const MacroProps& macros, UnicodeString& sb, UErrorCode& status); - - static bool scale(const MacroProps& macros, UnicodeString& sb, UErrorCode& status); - -}; - -/** - * Struct for null-checking. - * In Java, we can just check the object reference. In C++, we need a different method. - */ -struct SeenMacroProps { - bool notation = false; - bool unit = false; - bool perUnit = false; - bool precision = false; - bool roundingMode = false; - bool grouper = false; - bool padder = false; - bool integerWidth = false; - bool symbols = false; - bool unitWidth = false; - bool sign = false; - bool decimal = false; - bool scale = false; -}; - -} // namespace impl -} // namespace number -U_NAMESPACE_END - -#endif //__SOURCE_NUMBER_SKELETONS_H__ -#endif /* #if !UCONFIG_NO_FORMATTING */ |