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