1 /* 2 * Copyright (C) 2012 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 23 * DAMAGE. 24 */ 25 26 #ifndef PlatformLocale_h 27 #define PlatformLocale_h 28 29 #include "platform/DateComponents.h" 30 #include "platform/Language.h" 31 #include "public/platform/WebLocalizedString.h" 32 #include "wtf/PassOwnPtr.h" 33 #include "wtf/text/WTFString.h" 34 35 namespace WebCore { 36 37 class PLATFORM_EXPORT Locale { 38 WTF_MAKE_NONCOPYABLE(Locale); 39 public: 40 static PassOwnPtr<Locale> create(const String& localeIdentifier); 41 static Locale& defaultLocale(); 42 43 String queryString(blink::WebLocalizedString::Name); 44 String queryString(blink::WebLocalizedString::Name, const String& parameter); 45 String queryString(blink::WebLocalizedString::Name, const String& parameter1, const String& parameter2); 46 String validationMessageTooLongText(unsigned valueLength, int maxLength); 47 48 // Converts the specified number string to another number string localized 49 // for this Locale locale. The input string must conform to HTML 50 // floating-point numbers, and is not empty. 51 String convertToLocalizedNumber(const String&); 52 53 // Converts the specified localized number string to a number string in the 54 // HTML floating-point number format. The input string is provided by a end 55 // user, and might not be a number string. It's ok that the function returns 56 // a string which is not conforms to the HTML floating-point number format, 57 // callers of this function are responsible to check the format of the 58 // resultant string. 59 String convertFromLocalizedNumber(const String&); 60 61 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI) 62 // Returns localized decimal separator, e.g. "." for English, "," for French. 63 String localizedDecimalSeparator(); 64 #endif 65 66 // Returns date format in Unicode TR35 LDML[1] containing day of month, 67 // month, and year, e.g. "dd/mm/yyyy" 68 // [1] LDML http://unicode.org/reports/tr35/#Date_Format_Patterns 69 virtual String dateFormat() = 0; 70 71 // Returns a year-month format in Unicode TR35 LDML. 72 virtual String monthFormat() = 0; 73 74 // Returns a year-month format using short month lanel in Unicode TR35 LDML. 75 virtual String shortMonthFormat() = 0; 76 77 // Returns time format in Unicode TR35 LDML[1] containing hour, minute, and 78 // second with optional period(AM/PM), e.g. "h:mm:ss a" 79 // [1] LDML http://unicode.org/reports/tr35/#Date_Format_Patterns 80 virtual String timeFormat() = 0; 81 82 // Returns time format in Unicode TR35 LDML containing hour, and minute 83 // with optional period(AM/PM), e.g. "h:mm a" 84 // Note: Some platforms return same value as timeFormat(). 85 virtual String shortTimeFormat() = 0; 86 87 // Returns a date-time format in Unicode TR35 LDML. It should have a seconds 88 // field. 89 virtual String dateTimeFormatWithSeconds() = 0; 90 91 // Returns a date-time format in Unicode TR35 LDML. It should have no seconds 92 // field. 93 virtual String dateTimeFormatWithoutSeconds() = 0; 94 95 // weekFormatInLDML() returns week and year format in LDML, Unicode 96 // technical standard 35, Locale Data Markup Language, e.g. "'Week' ww, yyyy" 97 String weekFormatInLDML(); 98 99 // Returns a vector of string of which size is 12. The first item is a 100 // localized string of Jan and the last item is a localized string of 101 // Dec. These strings should be short. 102 virtual const Vector<String>& shortMonthLabels() = 0; 103 104 // Returns a vector of string of which size is 12. The first item is a 105 // stand-alone localized string of January and the last item is a 106 // stand-alone localized string of December. These strings should not be 107 // abbreviations. 108 virtual const Vector<String>& standAloneMonthLabels() = 0; 109 110 // Stand-alone month version of shortMonthLabels. 111 virtual const Vector<String>& shortStandAloneMonthLabels() = 0; 112 113 // Returns localized period field(AM/PM) strings. 114 virtual const Vector<String>& timeAMPMLabels() = 0; 115 116 // Returns a vector of string of which size is 12. The first item is a 117 // localized string of January, and the last item is a localized string of 118 // December. These strings should not be abbreviations. 119 virtual const Vector<String>& monthLabels() = 0; 120 121 // Returns a vector of string of which size is 7. The first item is a 122 // localized short string of Monday, and the last item is a localized 123 // short string of Saturday. These strings should be short. 124 virtual const Vector<String>& weekDayShortLabels() = 0; 125 126 // The first day of a week. 0 is Sunday, and 6 is Saturday. 127 virtual unsigned firstDayOfWeek() = 0; 128 129 // Returns true if people use right-to-left writing in the locale for this 130 // object. 131 virtual bool isRTL() = 0; 132 133 enum FormatType { FormatTypeUnspecified, FormatTypeShort, FormatTypeMedium }; 134 135 // Serializes the specified date into a formatted date string to 136 // display to the user. If an implementation doesn't support 137 // localized dates the function should return an empty string. 138 // FormatType can be used to specify if you want the short format. 139 String formatDateTime(const DateComponents&, FormatType = FormatTypeUnspecified); 140 141 virtual ~Locale(); 142 143 protected: 144 enum { 145 // 0-9 for digits. 146 DecimalSeparatorIndex = 10, 147 GroupSeparatorIndex = 11, 148 DecimalSymbolsSize 149 }; 150 151 Locale() : m_hasLocaleData(false) { } 152 virtual void initializeLocaleData() = 0; 153 void setLocaleData(const Vector<String, DecimalSymbolsSize>&, const String& positivePrefix, const String& positiveSuffix, const String& negativePrefix, const String& negativeSuffix); 154 155 private: 156 bool detectSignAndGetDigitRange(const String& input, bool& isNegative, unsigned& startIndex, unsigned& endIndex); 157 unsigned matchedDecimalSymbolIndex(const String& input, unsigned& position); 158 159 String m_decimalSymbols[DecimalSymbolsSize]; 160 String m_positivePrefix; 161 String m_positiveSuffix; 162 String m_negativePrefix; 163 String m_negativeSuffix; 164 bool m_hasLocaleData; 165 }; 166 167 } 168 #endif 169
