intl/icu/source/io/locbund.cpp

   1 /*
   2 *******************************************************************************
   3 *
   4 *   Copyright (C) 1998-2013, International Business Machines
   5 *   Corporation and others.  All Rights Reserved.
   6 *
   7 *******************************************************************************
   8 *
   9 * File locbund.cpp
  10 *
  11 * Modification History:
  12 *
  13 *   Date        Name        Description
  14 *   11/18/98    stephen        Creation.
  15 *   12/10/1999  bobbyr(at)optiosoftware.com       Fix for memory leak + string allocation bugs
  16 *******************************************************************************
  17 */
  18
  19 #include "unicode/utypes.h"
  20
  21 #if !UCONFIG_NO_FORMATTING
  22
  23 #include "locbund.h"
  24
  25 #include "cmemory.h"
  26 #include "cstring.h"
  27 #include "ucln_io.h"
  28 #include "mutex.h"
  29 #include "umutex.h"
  30 #include "unicode/ustring.h"
  31 #include "unicode/uloc.h"
  32
  33 static UNumberFormat *gPosixNumberFormat[ULOCALEBUNDLE_NUMBERFORMAT_COUNT];
  34
  35 U_CDECL_BEGIN
  36 static UBool U_CALLCONV locbund_cleanup(void) {
  37     int32_t style;
  38     for (style = 0; style < ULOCALEBUNDLE_NUMBERFORMAT_COUNT; style++) {
  39         unum_close(gPosixNumberFormat[style]);
  40         gPosixNumberFormat[style] = NULL;
  41     }
  42     return TRUE;
  43 }
  44 U_CDECL_END
  45
  46 static UMutex gLock = U_MUTEX_INITIALIZER;
  47 static inline UNumberFormat * copyInvariantFormatter(ULocaleBundle *result, UNumberFormatStyle style) {
  48     U_NAMESPACE_USE
  49     Mutex lock(&gLock);
  50     if (result->fNumberFormat[style-1] == NULL) {
  51         if (gPosixNumberFormat[style-1] == NULL) {
  52             UErrorCode status = U_ZERO_ERROR;
  53             UNumberFormat *formatAlias = unum_open(style, NULL, 0, "en_US_POSIX", NULL, &status);
  54             if (U_SUCCESS(status)) {
  55                 gPosixNumberFormat[style-1] = formatAlias;
  56                 ucln_io_registerCleanup(UCLN_IO_LOCBUND, locbund_cleanup);
  57             }
  58         }
  59         /* Copy the needed formatter. */
  60         if (gPosixNumberFormat[style-1] != NULL) {
  61             UErrorCode status = U_ZERO_ERROR;
  62             result->fNumberFormat[style-1] = unum_clone(gPosixNumberFormat[style-1], &status);
  63         }
  64     }
  65     return result->fNumberFormat[style-1];
  66 }
  67
  68 U_CAPI ULocaleBundle *
  69 u_locbund_init(ULocaleBundle *result, const char *loc)
  70 {
  71     int32_t len;
  72
  73     if(result == 0)
  74         return 0;
  75
  76     if (loc == NULL) {
  77         loc = uloc_getDefault();
  78     }
  79
  80     uprv_memset(result, 0, sizeof(ULocaleBundle));
  81
  82     len = (int32_t)strlen(loc);
  83     result->fLocale = (char*) uprv_malloc(len + 1);
  84     if(result->fLocale == 0) {
  85         return 0;
  86     }
  87
  88     uprv_strcpy(result->fLocale, loc);
  89
  90     result->isInvariantLocale = uprv_strcmp(result->fLocale, "en_US_POSIX") == 0;
  91
  92     return result;
  93 }
  94
  95 /*U_CAPI ULocaleBundle *
  96 u_locbund_new(const char *loc)
  97 {
  98     ULocaleBundle *result = (ULocaleBundle*) uprv_malloc(sizeof(ULocaleBundle));
  99     return u_locbund_init(result, loc);
 100 }
 101
 102 U_CAPI ULocaleBundle *
 103 u_locbund_clone(const ULocaleBundle *bundle)
 104 {
 105     ULocaleBundle *result = (ULocaleBundle*)uprv_malloc(sizeof(ULocaleBundle));
 106     UErrorCode status = U_ZERO_ERROR;
 107     int32_t styleIdx;
 108
 109     if(result == 0)
 110         return 0;
 111
 112     result->fLocale = (char*) uprv_malloc(strlen(bundle->fLocale) + 1);
 113     if(result->fLocale == 0) {
 114         uprv_free(result);
 115         return 0;
 116     }
 117
 118     strcpy(result->fLocale, bundle->fLocale );
 119
 120     for (styleIdx = 0; styleIdx < ULOCALEBUNDLE_NUMBERFORMAT_COUNT; styleIdx++) {
 121         status = U_ZERO_ERROR;
 122         if (result->fNumberFormat[styleIdx]) {
 123             result->fNumberFormat[styleIdx] = unum_clone(bundle->fNumberFormat[styleIdx], &status);
 124             if (U_FAILURE(status)) {
 125                 result->fNumberFormat[styleIdx] = NULL;
 126             }
 127         }
 128         else {
 129             result->fNumberFormat[styleIdx] = NULL;
 130         }
 131     }
 132     result->fDateFormat         = (bundle->fDateFormat == 0 ? 0 :
 133         udat_clone(bundle->fDateFormat, &status));
 134     result->fTimeFormat         = (bundle->fTimeFormat == 0 ? 0 :
 135         udat_clone(bundle->fTimeFormat, &status));
 136
 137     return result;
 138 }*/
 139
 140 U_CAPI void
 141 u_locbund_close(ULocaleBundle *bundle)
 142 {
 143     int32_t styleIdx;
 144
 145     uprv_free(bundle->fLocale);
 146
 147     for (styleIdx = 0; styleIdx < ULOCALEBUNDLE_NUMBERFORMAT_COUNT; styleIdx++) {
 148         if (bundle->fNumberFormat[styleIdx]) {
 149             unum_close(bundle->fNumberFormat[styleIdx]);
 150         }
 151     }
 152
 153     uprv_memset(bundle, 0, sizeof(ULocaleBundle));
 154 /*    uprv_free(bundle);*/
 155 }
 156
 157 U_CAPI UNumberFormat *
 158 u_locbund_getNumberFormat(ULocaleBundle *bundle, UNumberFormatStyle style)
 159 {
 160     UNumberFormat *formatAlias = NULL;
 161     if (style > UNUM_IGNORE) {
 162         formatAlias = bundle->fNumberFormat[style-1];
 163         if (formatAlias == NULL) {
 164             if (bundle->isInvariantLocale) {
 165                 formatAlias = copyInvariantFormatter(bundle, style);
 166             }
 167             else {
 168                 UErrorCode status = U_ZERO_ERROR;
 169                 formatAlias = unum_open(style, NULL, 0, bundle->fLocale, NULL, &status);
 170                 if (U_FAILURE(status)) {
 171                     unum_close(formatAlias);
 172                     formatAlias = NULL;
 173                 }
 174                 else {
 175                     bundle->fNumberFormat[style-1] = formatAlias;
 176                 }
 177             }
 178         }
 179     }
 180     return formatAlias;
 181 }
 182
 183 #endif /* #if !UCONFIG_NO_FORMATTING */