icuSources/i18n/decfmtst.cpp

   1 /*
   2 *******************************************************************************
   3 * Copyright (C) 2009-2013, International Business Machines Corporation and    *
   4 * others. All Rights Reserved.                                                *
   5 *******************************************************************************
   6 *
   7 * This file contains the class DecimalFormatStaticSets
   8 *
   9 * DecimalFormatStaticSets holds the UnicodeSets that are needed for lenient
  10 * parsing of decimal and group separators.
  11 ********************************************************************************
  12 */
  13
  14 #include "unicode/utypes.h"
  15
  16 #if !UCONFIG_NO_FORMATTING
  17
  18 #include "unicode/unistr.h"
  19 #include "unicode/uniset.h"
  20 #include "unicode/uchar.h"
  21 #include "cmemory.h"
  22 #include "cstring.h"
  23 #include "uassert.h"
  24 #include "ucln_in.h"
  25 #include "umutex.h"
  26
  27 #include "decfmtst.h"
  28
  29 U_NAMESPACE_BEGIN
  30
  31
  32 //------------------------------------------------------------------------------
  33 //
  34 // Unicode Set pattern strings for all of the required constant sets.
  35 //               Initialized with hex values for portability to EBCDIC based machines.
  36 //                Really ugly, but there's no good way to avoid it.
  37 //
  38 //------------------------------------------------------------------------------
  39
  40 static const UChar gDotEquivalentsPattern[] = {
  41         // [       .    \u2024  \u3002  \uFE12  \uFE52  \uFF0E  \uFF61     ]
  42         0x005B, 0x002E, 0x2024, 0x3002, 0xFE12, 0xFE52, 0xFF0E, 0xFF61, 0x005D, 0x0000};
  43
  44 static const UChar gCommaEquivalentsPattern[] = {
  45         // [       ,    \u060C  \u066B  \u3001  \uFE10  \uFE11  \uFE50  \uFE51  \uFF0C  \uFF64    ]
  46         0x005B, 0x002C, 0x060C, 0x066B, 0x3001, 0xFE10, 0xFE11, 0xFE50, 0xFE51, 0xFF0C, 0xFF64, 0x005D, 0x0000};
  47
  48 static const UChar gOtherGroupingSeparatorsPattern[] = {
  49         // [       \     SPACE     '      NBSP  \u066C  \u2000     -    \u200A  \u2018  \u2019  \u202F  \u205F  \u3000  \uFF07     ]
  50         0x005B, 0x005C, 0x0020, 0x0027, 0x00A0, 0x066C, 0x2000, 0x002D, 0x200A, 0x2018, 0x2019, 0x202F, 0x205F, 0x3000, 0xFF07, 0x005D, 0x0000};
  51
  52 static const UChar gDashEquivalentsPattern[] = {
  53         // [       \      -     HYPHEN  F_DASH  N_DASH   MINUS     ]
  54         0x005B, 0x005C, 0x002D, 0x2010, 0x2012, 0x2013, 0x2212, 0x005D, 0x0000};
  55
  56 static const UChar gStrictDotEquivalentsPattern[] = {
  57         // [      .     \u2024  \uFE52  \uFF0E  \uFF61    ]
  58         0x005B, 0x002E, 0x2024, 0xFE52, 0xFF0E, 0xFF61, 0x005D, 0x0000};
  59
  60 static const UChar gStrictCommaEquivalentsPattern[] = {
  61         // [       ,    \u066B  \uFE10  \uFE50  \uFF0C     ]
  62         0x005B, 0x002C, 0x066B, 0xFE10, 0xFE50, 0xFF0C, 0x005D, 0x0000};
  63
  64 static const UChar gStrictOtherGroupingSeparatorsPattern[] = {
  65         // [       \     SPACE     '      NBSP  \u066C  \u2000     -    \u200A  \u2018  \u2019  \u202F  \u205F  \u3000  \uFF07     ]
  66         0x005B, 0x005C, 0x0020, 0x0027, 0x00A0, 0x066C, 0x2000, 0x002D, 0x200A, 0x2018, 0x2019, 0x202F, 0x205F, 0x3000, 0xFF07, 0x005D, 0x0000};
  67
  68 static const UChar gStrictDashEquivalentsPattern[] = {
  69         // [       \      -      MINUS     ]
  70         0x005B, 0x005C, 0x002D, 0x2212, 0x005D, 0x0000};
  71
  72 static UChar32 gMinusSigns[] = {
  73     0x002D,
  74     0x207B,
  75     0x208B,
  76     0x2212,
  77     0x2796,
  78     0xFE63,
  79     0xFF0D};
  80
  81 static UChar32 gPlusSigns[] = {
  82     0x002B,
  83     0x207A,
  84     0x208A,
  85     0x2795,
  86     0xfB29,
  87     0xFE62,
  88     0xFF0B};
  89
  90 static void initUnicodeSet(const UChar32 *raw, int32_t len, UnicodeSet *s) {
  91     for (int32_t i = 0; i < len; ++i) {
  92         s->add(raw[i]);
  93     }
  94 }
  95
  96 DecimalFormatStaticSets::DecimalFormatStaticSets(UErrorCode &status)
  97 : fDotEquivalents(NULL),
  98   fCommaEquivalents(NULL),
  99   fOtherGroupingSeparators(NULL),
 100   fDashEquivalents(NULL),
 101   fStrictDotEquivalents(NULL),
 102   fStrictCommaEquivalents(NULL),
 103   fStrictOtherGroupingSeparators(NULL),
 104   fStrictDashEquivalents(NULL),
 105   fDefaultGroupingSeparators(NULL),
 106   fStrictDefaultGroupingSeparators(NULL),
 107   fMinusSigns(NULL),
 108   fPlusSigns(NULL)
 109 {
 110     fDotEquivalents                = new UnicodeSet(UnicodeString(TRUE, gDotEquivalentsPattern, -1),                status);
 111     fCommaEquivalents              = new UnicodeSet(UnicodeString(TRUE, gCommaEquivalentsPattern, -1),              status);
 112     fOtherGroupingSeparators       = new UnicodeSet(UnicodeString(TRUE, gOtherGroupingSeparatorsPattern, -1),       status);
 113     fDashEquivalents               = new UnicodeSet(UnicodeString(TRUE, gDashEquivalentsPattern, -1),               status);
 114
 115     fStrictDotEquivalents          = new UnicodeSet(UnicodeString(TRUE, gStrictDotEquivalentsPattern, -1),          status);
 116     fStrictCommaEquivalents        = new UnicodeSet(UnicodeString(TRUE, gStrictCommaEquivalentsPattern, -1),        status);
 117     fStrictOtherGroupingSeparators = new UnicodeSet(UnicodeString(TRUE, gStrictOtherGroupingSeparatorsPattern, -1), status);
 118     fStrictDashEquivalents         = new UnicodeSet(UnicodeString(TRUE, gStrictDashEquivalentsPattern, -1),         status);
 119
 120
 121     fDefaultGroupingSeparators = new UnicodeSet(*fDotEquivalents);
 122     fDefaultGroupingSeparators->addAll(*fCommaEquivalents);
 123     fDefaultGroupingSeparators->addAll(*fOtherGroupingSeparators);
 124
 125     fStrictDefaultGroupingSeparators = new UnicodeSet(*fStrictDotEquivalents);
 126     fStrictDefaultGroupingSeparators->addAll(*fStrictCommaEquivalents);
 127     fStrictDefaultGroupingSeparators->addAll(*fStrictOtherGroupingSeparators);
 128
 129     fMinusSigns = new UnicodeSet();
 130     fPlusSigns = new UnicodeSet();
 131
 132     // Check for null pointers
 133     if (fDotEquivalents == NULL || fCommaEquivalents == NULL || fOtherGroupingSeparators == NULL || fDashEquivalents == NULL ||
 134         fStrictDotEquivalents == NULL || fStrictCommaEquivalents == NULL || fStrictOtherGroupingSeparators == NULL || fStrictDashEquivalents == NULL ||
 135         fDefaultGroupingSeparators == NULL || fStrictOtherGroupingSeparators == NULL ||
 136         fMinusSigns == NULL || fPlusSigns == NULL) {
 137       cleanup();
 138       status = U_MEMORY_ALLOCATION_ERROR;
 139       return;
 140     }
 141
 142     initUnicodeSet(
 143             gMinusSigns,
 144             sizeof(gMinusSigns) / sizeof(gMinusSigns[0]),
 145             fMinusSigns);
 146     initUnicodeSet(
 147             gPlusSigns,
 148             sizeof(gPlusSigns) / sizeof(gPlusSigns[0]),
 149             fPlusSigns);
 150
 151     // Freeze all the sets
 152     fDotEquivalents->freeze();
 153     fCommaEquivalents->freeze();
 154     fOtherGroupingSeparators->freeze();
 155     fDashEquivalents->freeze();
 156     fStrictDotEquivalents->freeze();
 157     fStrictCommaEquivalents->freeze();
 158     fStrictOtherGroupingSeparators->freeze();
 159     fStrictDashEquivalents->freeze();
 160     fDefaultGroupingSeparators->freeze();
 161     fStrictDefaultGroupingSeparators->freeze();
 162     fMinusSigns->freeze();
 163     fPlusSigns->freeze();
 164 }
 165
 166 DecimalFormatStaticSets::~DecimalFormatStaticSets() {
 167   cleanup();
 168 }
 169
 170 void DecimalFormatStaticSets::cleanup() { // Be sure to clean up newly added fields!
 171     delete fDotEquivalents; fDotEquivalents = NULL;
 172     delete fCommaEquivalents; fCommaEquivalents = NULL;
 173     delete fOtherGroupingSeparators; fOtherGroupingSeparators = NULL;
 174     delete fDashEquivalents; fDashEquivalents = NULL;
 175     delete fStrictDotEquivalents; fStrictDotEquivalents = NULL;
 176     delete fStrictCommaEquivalents; fStrictCommaEquivalents = NULL;
 177     delete fStrictOtherGroupingSeparators; fStrictOtherGroupingSeparators = NULL;
 178     delete fStrictDashEquivalents; fStrictDashEquivalents = NULL;
 179     delete fDefaultGroupingSeparators; fDefaultGroupingSeparators = NULL;
 180     delete fStrictDefaultGroupingSeparators; fStrictDefaultGroupingSeparators = NULL;
 181     delete fStrictOtherGroupingSeparators; fStrictOtherGroupingSeparators = NULL;
 182     delete fMinusSigns; fMinusSigns = NULL;
 183     delete fPlusSigns; fPlusSigns = NULL;
 184 }
 185
 186 static DecimalFormatStaticSets *gStaticSets;
 187 static icu::UInitOnce gStaticSetsInitOnce = U_INITONCE_INITIALIZER;
 188
 189
 190 //------------------------------------------------------------------------------
 191 //
 192 //   decfmt_cleanup     Memory cleanup function, free/delete all
 193 //                      cached memory.  Called by ICU's u_cleanup() function.
 194 //
 195 //------------------------------------------------------------------------------
 196 U_CDECL_BEGIN
 197 static UBool U_CALLCONV
 198 decimfmt_cleanup(void)
 199 {
 200     delete gStaticSets;
 201     gStaticSets = NULL;
 202     gStaticSetsInitOnce.reset();
 203     return TRUE;
 204 }
 205
 206 static void U_CALLCONV initSets(UErrorCode &status) {
 207     U_ASSERT(gStaticSets == NULL);
 208     ucln_i18n_registerCleanup(UCLN_I18N_DECFMT, decimfmt_cleanup);
 209     gStaticSets = new DecimalFormatStaticSets(status);
 210     if (U_FAILURE(status)) {
 211         delete gStaticSets;
 212         gStaticSets = NULL;
 213         return;
 214     }
 215     if (gStaticSets == NULL) {
 216         status = U_MEMORY_ALLOCATION_ERROR;
 217     }
 218 }
 219 U_CDECL_END
 220
 221 const DecimalFormatStaticSets *DecimalFormatStaticSets::getStaticSets(UErrorCode &status) {
 222     umtx_initOnce(gStaticSetsInitOnce, initSets, status);
 223     return gStaticSets;
 224 }
 225
 226
 227 const UnicodeSet *DecimalFormatStaticSets::getSimilarDecimals(UChar32 decimal, UBool strictParse)
 228 {
 229     UErrorCode status = U_ZERO_ERROR;
 230     umtx_initOnce(gStaticSetsInitOnce, initSets, status);
 231     if (U_FAILURE(status)) {
 232         return NULL;
 233     }
 234
 235     if (gStaticSets->fDotEquivalents->contains(decimal)) {
 236         return strictParse ? gStaticSets->fStrictDotEquivalents : gStaticSets->fDotEquivalents;
 237     }
 238
 239     if (gStaticSets->fCommaEquivalents->contains(decimal)) {
 240         return strictParse ? gStaticSets->fStrictCommaEquivalents : gStaticSets->fCommaEquivalents;
 241     }
 242
 243     // if there is no match, return NULL
 244     return NULL;
 245 }
 246
 247
 248 U_NAMESPACE_END
 249 #endif   // !UCONFIG_NO_FORMATTING