diff options
Diffstat (limited to 'deps/node/deps/icu-small/source/i18n/number_patternstring.h')
| -rw-r--r-- | deps/node/deps/icu-small/source/i18n/number_patternstring.h | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/deps/node/deps/icu-small/source/i18n/number_patternstring.h b/deps/node/deps/icu-small/source/i18n/number_patternstring.h deleted file mode 100644 index 91e120c1..00000000 --- a/deps/node/deps/icu-small/source/i18n/number_patternstring.h +++ /dev/null @@ -1,293 +0,0 @@ -// © 2017 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 __NUMBER_PATTERNSTRING_H__ -#define __NUMBER_PATTERNSTRING_H__ - - -#include <cstdint> -#include "unicode/unum.h" -#include "unicode/unistr.h" -#include "number_types.h" -#include "number_decimalquantity.h" -#include "number_decimfmtprops.h" -#include "number_affixutils.h" - -U_NAMESPACE_BEGIN namespace number { -namespace impl { - -// Forward declaration -class PatternParser; - -// Exported as U_I18N_API because it is a public member field of exported ParsedSubpatternInfo -struct U_I18N_API Endpoints { - int32_t start = 0; - int32_t end = 0; -}; - -// Exported as U_I18N_API because it is a public member field of exported ParsedPatternInfo -struct U_I18N_API ParsedSubpatternInfo { - uint64_t groupingSizes = 0x0000ffffffff0000L; - int32_t integerLeadingHashSigns = 0; - int32_t integerTrailingHashSigns = 0; - int32_t integerNumerals = 0; - int32_t integerAtSigns = 0; - int32_t integerTotal = 0; // for convenience - int32_t fractionNumerals = 0; - int32_t fractionHashSigns = 0; - int32_t fractionTotal = 0; // for convenience - bool hasDecimal = false; - int32_t widthExceptAffixes = 0; - // Note: NullableValue causes issues here with std::move. - bool hasPadding = false; - UNumberFormatPadPosition paddingLocation = UNUM_PAD_BEFORE_PREFIX; - DecimalQuantity rounding; - bool exponentHasPlusSign = false; - int32_t exponentZeros = 0; - bool hasPercentSign = false; - bool hasPerMilleSign = false; - bool hasCurrencySign = false; - bool hasMinusSign = false; - bool hasPlusSign = false; - - Endpoints prefixEndpoints; - Endpoints suffixEndpoints; - Endpoints paddingEndpoints; -}; - -// Exported as U_I18N_API because it is needed for the unit test PatternStringTest -struct U_I18N_API ParsedPatternInfo : public AffixPatternProvider, public UMemory { - UnicodeString pattern; - ParsedSubpatternInfo positive; - ParsedSubpatternInfo negative; - - ParsedPatternInfo() - : state(this->pattern), currentSubpattern(nullptr) {} - - ~ParsedPatternInfo() U_OVERRIDE = default; - - // Need to declare this explicitly because of the destructor - ParsedPatternInfo& operator=(ParsedPatternInfo&& src) U_NOEXCEPT = default; - - static int32_t getLengthFromEndpoints(const Endpoints& endpoints); - - char16_t charAt(int32_t flags, int32_t index) const U_OVERRIDE; - - int32_t length(int32_t flags) const U_OVERRIDE; - - UnicodeString getString(int32_t flags) const U_OVERRIDE; - - bool positiveHasPlusSign() const U_OVERRIDE; - - bool hasNegativeSubpattern() const U_OVERRIDE; - - bool negativeHasMinusSign() const U_OVERRIDE; - - bool hasCurrencySign() const U_OVERRIDE; - - bool containsSymbolType(AffixPatternType type, UErrorCode& status) const U_OVERRIDE; - - bool hasBody() const U_OVERRIDE; - - private: - struct U_I18N_API ParserState { - const UnicodeString& pattern; // reference to the parent - int32_t offset = 0; - - explicit ParserState(const UnicodeString& _pattern) - : pattern(_pattern) {}; - - ParserState& operator=(ParserState&& src) U_NOEXCEPT { - // Leave pattern reference alone; it will continue to point to the same place in memory, - // which gets overwritten by ParsedPatternInfo's implicit move assignment. - offset = src.offset; - return *this; - } - - UChar32 peek(); - - UChar32 next(); - - // TODO: We don't currently do anything with the message string. - // This method is here as a shell for Java compatibility. - inline void toParseException(const char16_t* message) { (void) message; } - } state; - - // NOTE: In Java, these are written as pure functions. - // In C++, they're written as methods. - // The behavior is the same. - - // Mutable transient pointer: - ParsedSubpatternInfo* currentSubpattern; - - // In Java, "negative == null" tells us whether or not we had a negative subpattern. - // In C++, we need to remember in another boolean. - bool fHasNegativeSubpattern = false; - - const Endpoints& getEndpoints(int32_t flags) const; - - /** Run the recursive descent parser. */ - void consumePattern(const UnicodeString& patternString, UErrorCode& status); - - void consumeSubpattern(UErrorCode& status); - - void consumePadding(PadPosition paddingLocation, UErrorCode& status); - - void consumeAffix(Endpoints& endpoints, UErrorCode& status); - - void consumeLiteral(UErrorCode& status); - - void consumeFormat(UErrorCode& status); - - void consumeIntegerFormat(UErrorCode& status); - - void consumeFractionFormat(UErrorCode& status); - - void consumeExponent(UErrorCode& status); - - friend class PatternParser; -}; - -enum IgnoreRounding { - IGNORE_ROUNDING_NEVER = 0, IGNORE_ROUNDING_IF_CURRENCY = 1, IGNORE_ROUNDING_ALWAYS = 2 -}; - -class U_I18N_API PatternParser { - public: - /** - * Runs the recursive descent parser on the given pattern string, returning a data structure with raw information - * about the pattern string. - * - * <p> - * To obtain a more useful form of the data, consider using {@link #parseToProperties} instead. - * - * TODO: Change argument type to const char16_t* instead of UnicodeString? - * - * @param patternString - * The LDML decimal format pattern (Excel-style pattern) to parse. - * @return The results of the parse. - */ - static void parseToPatternInfo(const UnicodeString& patternString, ParsedPatternInfo& patternInfo, - UErrorCode& status); - - /** - * Parses a pattern string into a new property bag. - * - * @param pattern - * The pattern string, like "#,##0.00" - * @param ignoreRounding - * Whether to leave out rounding information (minFrac, maxFrac, and rounding increment) when parsing the - * pattern. This may be desirable if a custom rounding mode, such as CurrencyUsage, is to be used - * instead. - * @return A property bag object. - * @throws IllegalArgumentException - * If there is a syntax error in the pattern string. - */ - static DecimalFormatProperties parseToProperties(const UnicodeString& pattern, - IgnoreRounding ignoreRounding, UErrorCode& status); - - static DecimalFormatProperties parseToProperties(const UnicodeString& pattern, UErrorCode& status); - - /** - * Parses a pattern string into an existing property bag. All properties that can be encoded into a pattern string - * will be overwritten with either their default value or with the value coming from the pattern string. Properties - * that cannot be encoded into a pattern string, such as rounding mode, are not modified. - * - * @param pattern - * The pattern string, like "#,##0.00" - * @param properties - * The property bag object to overwrite. - * @param ignoreRounding - * See {@link #parseToProperties(String pattern, int ignoreRounding)}. - * @throws IllegalArgumentException - * If there was a syntax error in the pattern string. - */ - static void parseToExistingProperties(const UnicodeString& pattern, - DecimalFormatProperties& properties, - IgnoreRounding ignoreRounding, UErrorCode& status); - - private: - static void parseToExistingPropertiesImpl(const UnicodeString& pattern, - DecimalFormatProperties& properties, - IgnoreRounding ignoreRounding, UErrorCode& status); - - /** Finalizes the temporary data stored in the ParsedPatternInfo to the Properties. */ - static void patternInfoToProperties(DecimalFormatProperties& properties, - ParsedPatternInfo& patternInfo, IgnoreRounding _ignoreRounding, - UErrorCode& status); -}; - -class U_I18N_API PatternStringUtils { - public: - /** - * Creates a pattern string from a property bag. - * - * <p> - * Since pattern strings support only a subset of the functionality available in a property bag, a new property bag - * created from the string returned by this function may not be the same as the original property bag. - * - * @param properties - * The property bag to serialize. - * @return A pattern string approximately serializing the property bag. - */ - static UnicodeString propertiesToPatternString(const DecimalFormatProperties& properties, - UErrorCode& status); - - - /** - * Converts a pattern between standard notation and localized notation. Localized notation means that instead of - * using generic placeholders in the pattern, you use the corresponding locale-specific characters instead. For - * example, in locale <em>fr-FR</em>, the period in the pattern "0.000" means "decimal" in standard notation (as it - * does in every other locale), but it means "grouping" in localized notation. - * - * <p> - * A greedy string-substitution strategy is used to substitute locale symbols. If two symbols are ambiguous or have - * the same prefix, the result is not well-defined. - * - * <p> - * Locale symbols are not allowed to contain the ASCII quote character. - * - * <p> - * This method is provided for backwards compatibility and should not be used in any new code. - * - * TODO(C++): This method is not yet implemented. - * - * @param input - * The pattern to convert. - * @param symbols - * The symbols corresponding to the localized pattern. - * @param toLocalized - * true to convert from standard to localized notation; false to convert from localized to standard - * notation. - * @return The pattern expressed in the other notation. - */ - static UnicodeString convertLocalized(const UnicodeString& input, const DecimalFormatSymbols& symbols, - bool toLocalized, UErrorCode& status); - - /** - * This method contains the heart of the logic for rendering LDML affix strings. It handles - * sign-always-shown resolution, whether to use the positive or negative subpattern, permille - * substitution, and plural forms for CurrencyPluralInfo. - */ - static void patternInfoToStringBuilder(const AffixPatternProvider& patternInfo, bool isPrefix, - int8_t signum, UNumberSignDisplay signDisplay, - StandardPlural::Form plural, bool perMilleReplacesPercent, - UnicodeString& output); - - private: - /** @return The number of chars inserted. */ - static int escapePaddingString(UnicodeString input, UnicodeString& output, int startIndex, - UErrorCode& status); -}; - -} // namespace impl -} // namespace number -U_NAMESPACE_END - - -#endif //__NUMBER_PATTERNSTRING_H__ - -#endif /* #if !UCONFIG_NO_FORMATTING */ |