src/kits/locale/MessageFormat.cpp

   1 /*
   2  * Copyright 2014-2015 Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Adrien Destugues, pulkomandy@pulkomandy.tk
   7  *              John Scipione, jscipione@gmail.com
   8  */
   9
  10 #include <unicode/uversion.h>
  11 #include <MessageFormat.h>
  12
  13 #include <Autolock.h>
  14 #include <FormattingConventionsPrivate.h>
  15 #include <LanguagePrivate.h>
  16
  17 #include <ICUWrapper.h>
  18
  19 #include <unicode/msgfmt.h>
  20
  21
  22 BMessageFormat::BMessageFormat(const BLanguage& language, const BString pattern)
  23         : BFormat(language, BFormattingConventions())
  24 {
  25         _Initialize(UnicodeString::fromUTF8(pattern.String()));
  26 }
  27
  28
  29 BMessageFormat::BMessageFormat(const BString pattern)
  30         : BFormat()
  31 {
  32         _Initialize(UnicodeString::fromUTF8(pattern.String()));
  33 }
  34
  35
  36 BMessageFormat::~BMessageFormat()
  37 {
  38         delete fFormatter;
  39 }
  40
  41
  42 status_t
  43 BMessageFormat::InitCheck()
  44 {
  45         return fInitStatus;
  46 }
  47
  48
  49 status_t
  50 BMessageFormat::Format(BString& output, const int64 arg) const
  51 {
  52         if (fInitStatus != B_OK)
  53                 return fInitStatus;
  54
  55         UnicodeString buffer;
  56         UErrorCode error = U_ZERO_ERROR;
  57
  58         Formattable arguments[] = {
  59                 (int64)arg
  60         };
  61
  62         FieldPosition pos;
  63         buffer = fFormatter->format(arguments, 1, buffer, pos, error);
  64         if (!U_SUCCESS(error))
  65                 return B_ERROR;
  66
  67         BStringByteSink byteSink(&output);
  68         buffer.toUTF8(byteSink);
  69
  70         return B_OK;
  71 }
  72
  73
  74 status_t
  75 BMessageFormat::_Initialize(const UnicodeString& pattern)
  76 {
  77         fInitStatus = B_OK;
  78         UErrorCode error = U_ZERO_ERROR;
  79         Locale* icuLocale
  80                 = BLanguage::Private(&fLanguage).ICULocale();
  81
  82         fFormatter = new MessageFormat(pattern, *icuLocale, error);
  83
  84         if (fFormatter == NULL)
  85                 fInitStatus = B_NO_MEMORY;
  86
  87         if (!U_SUCCESS(error)) {
  88                 delete fFormatter;
  89                 fInitStatus = B_ERROR;
  90                 fFormatter = NULL;
  91         }
  92
  93         return fInitStatus;
  94 }