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 "DateComponents.h" 30#include "Language.h" 31#include <wtf/PassOwnPtr.h> 32#include <wtf/text/WTFString.h> 33 34namespace WebCore { 35 36#if PLATFORM(IOS) 37class Font; 38#endif 39 40class Locale { 41 WTF_MAKE_NONCOPYABLE(Locale); 42 43public: 44 static PassOwnPtr<Locale> create(const AtomicString& localeIdentifier); 45 static PassOwnPtr<Locale> createDefault(); 46 47 // Converts the specified number string to another number string localized 48 // for this Locale locale. The input string must conform to HTML 49 // floating-point numbers, and is not empty. 50 String convertToLocalizedNumber(const String&); 51 52 // Converts the specified localized number string to a number string in the 53 // HTML floating-point number format. The input string is provided by a end 54 // user, and might not be a number string. It's ok that the function returns 55 // a string which is not conforms to the HTML floating-point number format, 56 // callers of this function are responsible to check the format of the 57 // resultant string. 58 String convertFromLocalizedNumber(const String&); 59 60#if ENABLE(DATE_AND_TIME_INPUT_TYPES) 61 // Returns date format in Unicode TR35 LDML[1] containing day of month, 62 // month, and year, e.g. "dd/mm/yyyy" 63 // [1] LDML http://unicode.org/reports/tr35/#Date_Format_Patterns 64 virtual String dateFormat() = 0; 65 66 // Returns a year-month format in Unicode TR35 LDML. 67 virtual String monthFormat() = 0; 68 69 // Returns a year-month format using short month lanel in Unicode TR35 LDML. 70 virtual String shortMonthFormat() = 0; 71 72 // Returns time format in Unicode TR35 LDML[1] containing hour, minute, and 73 // second with optional period(AM/PM), e.g. "h:mm:ss a" 74 // [1] LDML http://unicode.org/reports/tr35/#Date_Format_Patterns 75 virtual String timeFormat() = 0; 76 77 // Returns time format in Unicode TR35 LDML containing hour, and minute 78 // with optional period(AM/PM), e.g. "h:mm a" 79 // Note: Some platforms return same value as timeFormat(). 80 virtual String shortTimeFormat() = 0; 81 82 // Returns a date-time format in Unicode TR35 LDML. It should have a seconds 83 // field. 84 virtual String dateTimeFormatWithSeconds() = 0; 85 86 // Returns a date-time format in Unicode TR35 LDML. It should have no seconds 87 // field. 88 virtual String dateTimeFormatWithoutSeconds() = 0; 89 90 // Returns a vector of string of which size is 12. The first item is a 91 // localized string of Jan and the last item is a localized string of 92 // Dec. These strings should be short. 93 virtual const Vector<String>& shortMonthLabels() = 0; 94 95 // Returns a vector of string of which size is 12. The first item is a 96 // stand-alone localized string of January and the last item is a 97 // stand-alone localized string of December. These strings should not be 98 // abbreviations. 99 virtual const Vector<String>& standAloneMonthLabels() = 0; 100 101 // Stand-alone month version of shortMonthLabels. 102 virtual const Vector<String>& shortStandAloneMonthLabels() = 0; 103 104 // Returns localized period field(AM/PM) strings. 105 virtual const Vector<String>& timeAMPMLabels() = 0; 106 107 // Returns a vector of string of which size is 12. The first item is a 108 // localized string of January, and the last item is a localized string of 109 // December. These strings should not be abbreviations. 110 virtual const Vector<String>& monthLabels() = 0; 111#endif 112 113#if ENABLE(DATE_AND_TIME_INPUT_TYPES) 114 enum FormatType { FormatTypeUnspecified, FormatTypeShort, FormatTypeMedium }; 115 116 // Serializes the specified date into a formatted date string to 117 // display to the user. If an implementation doesn't support 118 // localized dates the function should return an empty string. 119 // FormatType can be used to specify if you want the short format. 120#if !PLATFORM(IOS) 121 String formatDateTime(const DateComponents&, FormatType = FormatTypeUnspecified); 122#else 123 virtual String formatDateTime(const DateComponents&, FormatType = FormatTypeUnspecified) = 0; 124#endif // !PLATFORM(IOS) 125#endif 126 127 virtual ~Locale(); 128 129protected: 130 enum { 131 // 0-9 for digits. 132 DecimalSeparatorIndex = 10, 133 GroupSeparatorIndex = 11, 134 DecimalSymbolsSize 135 }; 136 137 Locale() : m_hasLocaleData(false) { } 138 virtual void initializeLocaleData() = 0; 139 void setLocaleData(const Vector<String, DecimalSymbolsSize>&, const String& positivePrefix, const String& positiveSuffix, const String& negativePrefix, const String& negativeSuffix); 140 141private: 142 bool detectSignAndGetDigitRange(const String& input, bool& isNegative, unsigned& startIndex, unsigned& endIndex); 143 unsigned matchedDecimalSymbolIndex(const String& input, unsigned& position); 144 145 String m_decimalSymbols[DecimalSymbolsSize]; 146 String m_positivePrefix; 147 String m_positiveSuffix; 148 String m_negativePrefix; 149 String m_negativeSuffix; 150 bool m_hasLocaleData; 151}; 152 153inline PassOwnPtr<Locale> Locale::createDefault() 154{ 155 return Locale::create(defaultLanguage()); 156} 157 158} 159#endif 160