src/kits/locale/TimeUnitFormat.cpp

   1 /*
   2  * Copyright 2010, Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Adrien Destugues <pulkomandy@gmail.com>
   7  *              Oliver Tappe <zooey@hirschkaefer.de>
   8  */
   9
  10
  11 #include <unicode/uversion.h>
  12 #include <TimeUnitFormat.h>
  13
  14 #include <new>
  15
  16 #include <unicode/format.h>
  17 #include <unicode/locid.h>
  18 #include <unicode/tmutfmt.h>
  19 #include <unicode/utypes.h>
  20 #include <ICUWrapper.h>
  21
  22 #include <Language.h>
  23 #include <Locale.h>
  24 #include <LocaleRoster.h>
  25
  26 // maps our unit element to the corresponding ICU unit
  27 static const TimeUnit::UTimeUnitFields skUnitMap[] = {
  28         TimeUnit::UTIMEUNIT_YEAR,
  29         TimeUnit::UTIMEUNIT_MONTH,
  30         TimeUnit::UTIMEUNIT_WEEK,
  31         TimeUnit::UTIMEUNIT_DAY,
  32         TimeUnit::UTIMEUNIT_HOUR,
  33         TimeUnit::UTIMEUNIT_MINUTE,
  34         TimeUnit::UTIMEUNIT_SECOND,
  35 };
  36
  37
  38 BTimeUnitFormat::BTimeUnitFormat()
  39         : Inherited()
  40 {
  41         Locale icuLocale(fLanguage.Code());
  42         UErrorCode icuStatus = U_ZERO_ERROR;
  43         fFormatter = new TimeUnitFormat(icuLocale, icuStatus);
  44         if (fFormatter == NULL) {
  45                 fInitStatus = B_NO_MEMORY;
  46                 return;
  47         }
  48
  49         if (!U_SUCCESS(icuStatus))
  50                 fInitStatus = B_ERROR;
  51 }
  52
  53
  54 BTimeUnitFormat::BTimeUnitFormat(const BLanguage& language,
  55         const BFormattingConventions& conventions)
  56         : Inherited(language, conventions)
  57 {
  58         Locale icuLocale(fLanguage.Code());
  59         UErrorCode icuStatus = U_ZERO_ERROR;
  60         fFormatter = new TimeUnitFormat(icuLocale, icuStatus);
  61         if (fFormatter == NULL) {
  62                 fInitStatus = B_NO_MEMORY;
  63                 return;
  64         }
  65
  66         if (!U_SUCCESS(icuStatus))
  67                 fInitStatus = B_ERROR;
  68 }
  69
  70
  71 BTimeUnitFormat::BTimeUnitFormat(const BTimeUnitFormat& other)
  72         :
  73         Inherited(other),
  74         fFormatter(other.fFormatter != NULL
  75                 ? new TimeUnitFormat(*other.fFormatter) : NULL)
  76 {
  77         if (fFormatter == NULL && other.fFormatter != NULL)
  78                 fInitStatus = B_NO_MEMORY;
  79 }
  80
  81
  82 BTimeUnitFormat::~BTimeUnitFormat()
  83 {
  84         delete fFormatter;
  85 }
  86
  87
  88 status_t
  89 BTimeUnitFormat::Format(BString& buffer, const int32 value,
  90         const time_unit_element unit, time_unit_style style) const
  91 {
  92         if (unit < 0 || unit > B_TIME_UNIT_LAST
  93                 || (style != B_TIME_UNIT_ABBREVIATED && style != B_TIME_UNIT_FULL))
  94                 return B_BAD_VALUE;
  95
  96         if (fFormatter == NULL)
  97                 return B_NO_INIT;
  98
  99         UErrorCode icuStatus = U_ZERO_ERROR;
 100         TimeUnitAmount* timeUnitAmount
 101                 = new TimeUnitAmount((double)value, skUnitMap[unit], icuStatus);
 102         if (timeUnitAmount == NULL)
 103                 return B_NO_MEMORY;
 104         if (!U_SUCCESS(icuStatus))
 105                 return B_ERROR;
 106
 107         Formattable formattable;
 108         formattable.adoptObject(timeUnitAmount);
 109         FieldPosition pos(FieldPosition::DONT_CARE);
 110         UnicodeString unicodeResult;
 111         fFormatter->format(formattable, unicodeResult, pos, icuStatus);
 112         if (!U_SUCCESS(icuStatus))
 113                 return B_ERROR;
 114
 115         BStringByteSink byteSink(&buffer);
 116         unicodeResult.toUTF8(byteSink);
 117
 118         return B_OK;
 119 }