michael@0: /*
michael@0: *******************************************************************************
michael@0: * Copyright (C) 2009-2013, International Business Machines Corporation and    *
michael@0: * others. All Rights Reserved.                                                *
michael@0: *******************************************************************************
michael@0: *
michael@0: * This file contains the class DecimalFormatStaticSets
michael@0: *
michael@0: * DecimalFormatStaticSets holds the UnicodeSets that are needed for lenient
michael@0: * parsing of decimal and group separators.
michael@0: ********************************************************************************
michael@0: */
michael@0: 
michael@0: #include "unicode/utypes.h"
michael@0: 
michael@0: #if !UCONFIG_NO_FORMATTING
michael@0: 
michael@0: #include "unicode/unistr.h"
michael@0: #include "unicode/uniset.h"
michael@0: #include "unicode/uchar.h"
michael@0: #include "cmemory.h"
michael@0: #include "cstring.h"
michael@0: #include "uassert.h"
michael@0: #include "ucln_in.h"
michael@0: #include "umutex.h"
michael@0: 
michael@0: #include "decfmtst.h"
michael@0: 
michael@0: U_NAMESPACE_BEGIN
michael@0: 
michael@0: 
michael@0: //------------------------------------------------------------------------------
michael@0: //
michael@0: // Unicode Set pattern strings for all of the required constant sets.
michael@0: //               Initialized with hex values for portability to EBCDIC based machines.
michael@0: //                Really ugly, but there's no good way to avoid it.
michael@0: //
michael@0: //------------------------------------------------------------------------------
michael@0: 
michael@0: static const UChar gDotEquivalentsPattern[] = {
michael@0:         // [       .    \u2024  \u3002  \uFE12  \uFE52  \uFF0E  \uFF61     ]
michael@0:         0x005B, 0x002E, 0x2024, 0x3002, 0xFE12, 0xFE52, 0xFF0E, 0xFF61, 0x005D, 0x0000};
michael@0: 
michael@0: static const UChar gCommaEquivalentsPattern[] = {
michael@0:         // [       ,    \u060C  \u066B  \u3001  \uFE10  \uFE11  \uFE50  \uFE51  \uFF0C  \uFF64    ]
michael@0:         0x005B, 0x002C, 0x060C, 0x066B, 0x3001, 0xFE10, 0xFE11, 0xFE50, 0xFE51, 0xFF0C, 0xFF64, 0x005D, 0x0000};
michael@0: 
michael@0: static const UChar gOtherGroupingSeparatorsPattern[] = {
michael@0:         // [       \     SPACE     '      NBSP  \u066C  \u2000     -    \u200A  \u2018  \u2019  \u202F  \u205F  \u3000  \uFF07     ]
michael@0:         0x005B, 0x005C, 0x0020, 0x0027, 0x00A0, 0x066C, 0x2000, 0x002D, 0x200A, 0x2018, 0x2019, 0x202F, 0x205F, 0x3000, 0xFF07, 0x005D, 0x0000};
michael@0: 
michael@0: static const UChar gDashEquivalentsPattern[] = {
michael@0:         // [       \      -     HYPHEN  F_DASH  N_DASH   MINUS     ]
michael@0:         0x005B, 0x005C, 0x002D, 0x2010, 0x2012, 0x2013, 0x2212, 0x005D, 0x0000};
michael@0: 
michael@0: static const UChar gStrictDotEquivalentsPattern[] = {
michael@0:         // [      .     \u2024  \uFE52  \uFF0E  \uFF61    ]
michael@0:         0x005B, 0x002E, 0x2024, 0xFE52, 0xFF0E, 0xFF61, 0x005D, 0x0000};
michael@0: 
michael@0: static const UChar gStrictCommaEquivalentsPattern[] = {
michael@0:         // [       ,    \u066B  \uFE10  \uFE50  \uFF0C     ]
michael@0:         0x005B, 0x002C, 0x066B, 0xFE10, 0xFE50, 0xFF0C, 0x005D, 0x0000};
michael@0: 
michael@0: static const UChar gStrictOtherGroupingSeparatorsPattern[] = {
michael@0:         // [       \     SPACE     '      NBSP  \u066C  \u2000     -    \u200A  \u2018  \u2019  \u202F  \u205F  \u3000  \uFF07     ]
michael@0:         0x005B, 0x005C, 0x0020, 0x0027, 0x00A0, 0x066C, 0x2000, 0x002D, 0x200A, 0x2018, 0x2019, 0x202F, 0x205F, 0x3000, 0xFF07, 0x005D, 0x0000};
michael@0: 
michael@0: static const UChar gStrictDashEquivalentsPattern[] = {
michael@0:         // [       \      -      MINUS     ]
michael@0:         0x005B, 0x005C, 0x002D, 0x2212, 0x005D, 0x0000};
michael@0: 
michael@0: static UChar32 gMinusSigns[] = {
michael@0:     0x002D,
michael@0:     0x207B,
michael@0:     0x208B,
michael@0:     0x2212,
michael@0:     0x2796,
michael@0:     0xFE63,
michael@0:     0xFF0D};
michael@0: 
michael@0: static UChar32 gPlusSigns[] = {
michael@0:     0x002B,
michael@0:     0x207A,
michael@0:     0x208A,
michael@0:     0x2795,
michael@0:     0xfB29,
michael@0:     0xFE62,
michael@0:     0xFF0B};
michael@0: 
michael@0: static void initUnicodeSet(const UChar32 *raw, int32_t len, UnicodeSet *s) {
michael@0:     for (int32_t i = 0; i < len; ++i) {
michael@0:         s->add(raw[i]);
michael@0:     }
michael@0: }
michael@0: 
michael@0: DecimalFormatStaticSets::DecimalFormatStaticSets(UErrorCode &status)
michael@0: : fDotEquivalents(NULL),
michael@0:   fCommaEquivalents(NULL),
michael@0:   fOtherGroupingSeparators(NULL),
michael@0:   fDashEquivalents(NULL),
michael@0:   fStrictDotEquivalents(NULL),
michael@0:   fStrictCommaEquivalents(NULL),
michael@0:   fStrictOtherGroupingSeparators(NULL),
michael@0:   fStrictDashEquivalents(NULL),
michael@0:   fDefaultGroupingSeparators(NULL),
michael@0:   fStrictDefaultGroupingSeparators(NULL),
michael@0:   fMinusSigns(NULL),
michael@0:   fPlusSigns(NULL)
michael@0: {
michael@0:     fDotEquivalents                = new UnicodeSet(UnicodeString(TRUE, gDotEquivalentsPattern, -1),                status);
michael@0:     fCommaEquivalents              = new UnicodeSet(UnicodeString(TRUE, gCommaEquivalentsPattern, -1),              status);
michael@0:     fOtherGroupingSeparators       = new UnicodeSet(UnicodeString(TRUE, gOtherGroupingSeparatorsPattern, -1),       status);
michael@0:     fDashEquivalents               = new UnicodeSet(UnicodeString(TRUE, gDashEquivalentsPattern, -1),               status);
michael@0:     
michael@0:     fStrictDotEquivalents          = new UnicodeSet(UnicodeString(TRUE, gStrictDotEquivalentsPattern, -1),          status);
michael@0:     fStrictCommaEquivalents        = new UnicodeSet(UnicodeString(TRUE, gStrictCommaEquivalentsPattern, -1),        status);
michael@0:     fStrictOtherGroupingSeparators = new UnicodeSet(UnicodeString(TRUE, gStrictOtherGroupingSeparatorsPattern, -1), status);
michael@0:     fStrictDashEquivalents         = new UnicodeSet(UnicodeString(TRUE, gStrictDashEquivalentsPattern, -1),         status);
michael@0: 
michael@0: 
michael@0:     fDefaultGroupingSeparators = new UnicodeSet(*fDotEquivalents);
michael@0:     fDefaultGroupingSeparators->addAll(*fCommaEquivalents);
michael@0:     fDefaultGroupingSeparators->addAll(*fOtherGroupingSeparators);
michael@0: 
michael@0:     fStrictDefaultGroupingSeparators = new UnicodeSet(*fStrictDotEquivalents);
michael@0:     fStrictDefaultGroupingSeparators->addAll(*fStrictCommaEquivalents);
michael@0:     fStrictDefaultGroupingSeparators->addAll(*fStrictOtherGroupingSeparators);
michael@0: 
michael@0:     fMinusSigns = new UnicodeSet();
michael@0:     fPlusSigns = new UnicodeSet();
michael@0: 
michael@0:     // Check for null pointers
michael@0:     if (fDotEquivalents == NULL || fCommaEquivalents == NULL || fOtherGroupingSeparators == NULL || fDashEquivalents == NULL ||
michael@0:         fStrictDotEquivalents == NULL || fStrictCommaEquivalents == NULL || fStrictOtherGroupingSeparators == NULL || fStrictDashEquivalents == NULL ||
michael@0:         fDefaultGroupingSeparators == NULL || fStrictOtherGroupingSeparators == NULL ||
michael@0:         fMinusSigns == NULL || fPlusSigns == NULL) {
michael@0:       cleanup();
michael@0:       status = U_MEMORY_ALLOCATION_ERROR;
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     initUnicodeSet(
michael@0:             gMinusSigns,
michael@0:             sizeof(gMinusSigns) / sizeof(gMinusSigns[0]),
michael@0:             fMinusSigns);
michael@0:     initUnicodeSet(
michael@0:             gPlusSigns,
michael@0:             sizeof(gPlusSigns) / sizeof(gPlusSigns[0]),
michael@0:             fPlusSigns);
michael@0: 
michael@0:     // Freeze all the sets
michael@0:     fDotEquivalents->freeze();
michael@0:     fCommaEquivalents->freeze();
michael@0:     fOtherGroupingSeparators->freeze();
michael@0:     fDashEquivalents->freeze();
michael@0:     fStrictDotEquivalents->freeze();
michael@0:     fStrictCommaEquivalents->freeze();
michael@0:     fStrictOtherGroupingSeparators->freeze();
michael@0:     fStrictDashEquivalents->freeze();
michael@0:     fDefaultGroupingSeparators->freeze();
michael@0:     fStrictDefaultGroupingSeparators->freeze();
michael@0:     fMinusSigns->freeze();
michael@0:     fPlusSigns->freeze();
michael@0: }
michael@0: 
michael@0: DecimalFormatStaticSets::~DecimalFormatStaticSets() {
michael@0:   cleanup();
michael@0: }
michael@0: 
michael@0: void DecimalFormatStaticSets::cleanup() { // Be sure to clean up newly added fields!
michael@0:     delete fDotEquivalents; fDotEquivalents = NULL;
michael@0:     delete fCommaEquivalents; fCommaEquivalents = NULL;
michael@0:     delete fOtherGroupingSeparators; fOtherGroupingSeparators = NULL;
michael@0:     delete fDashEquivalents; fDashEquivalents = NULL;
michael@0:     delete fStrictDotEquivalents; fStrictDotEquivalents = NULL;
michael@0:     delete fStrictCommaEquivalents; fStrictCommaEquivalents = NULL;
michael@0:     delete fStrictOtherGroupingSeparators; fStrictOtherGroupingSeparators = NULL;
michael@0:     delete fStrictDashEquivalents; fStrictDashEquivalents = NULL;
michael@0:     delete fDefaultGroupingSeparators; fDefaultGroupingSeparators = NULL;
michael@0:     delete fStrictDefaultGroupingSeparators; fStrictDefaultGroupingSeparators = NULL;
michael@0:     delete fStrictOtherGroupingSeparators; fStrictOtherGroupingSeparators = NULL;
michael@0:     delete fMinusSigns; fMinusSigns = NULL;
michael@0:     delete fPlusSigns; fPlusSigns = NULL;
michael@0: }
michael@0: 
michael@0: static DecimalFormatStaticSets *gStaticSets;
michael@0: static icu::UInitOnce gStaticSetsInitOnce = U_INITONCE_INITIALIZER;
michael@0: 
michael@0: 
michael@0: //------------------------------------------------------------------------------
michael@0: //
michael@0: //   decfmt_cleanup     Memory cleanup function, free/delete all
michael@0: //                      cached memory.  Called by ICU's u_cleanup() function.
michael@0: //
michael@0: //------------------------------------------------------------------------------
michael@0: U_CDECL_BEGIN
michael@0: static UBool U_CALLCONV
michael@0: decimfmt_cleanup(void)
michael@0: {
michael@0:     delete gStaticSets;
michael@0:     gStaticSets = NULL;
michael@0:     gStaticSetsInitOnce.reset();
michael@0:     return TRUE;
michael@0: }
michael@0: 
michael@0: static void U_CALLCONV initSets(UErrorCode &status) {
michael@0:     U_ASSERT(gStaticSets == NULL);
michael@0:     ucln_i18n_registerCleanup(UCLN_I18N_DECFMT, decimfmt_cleanup);
michael@0:     gStaticSets = new DecimalFormatStaticSets(status);
michael@0:     if (U_FAILURE(status)) {
michael@0:         delete gStaticSets;
michael@0:         gStaticSets = NULL;
michael@0:         return;
michael@0:     }
michael@0:     if (gStaticSets == NULL) {
michael@0:         status = U_MEMORY_ALLOCATION_ERROR;
michael@0:     }
michael@0: }
michael@0: U_CDECL_END
michael@0: 
michael@0: const DecimalFormatStaticSets *DecimalFormatStaticSets::getStaticSets(UErrorCode &status) {
michael@0:     umtx_initOnce(gStaticSetsInitOnce, initSets, status);
michael@0:     return gStaticSets;
michael@0: }
michael@0: 
michael@0: 
michael@0: const UnicodeSet *DecimalFormatStaticSets::getSimilarDecimals(UChar32 decimal, UBool strictParse)
michael@0: {
michael@0:     UErrorCode status = U_ZERO_ERROR;
michael@0:     umtx_initOnce(gStaticSetsInitOnce, initSets, status);
michael@0:     if (U_FAILURE(status)) {
michael@0:         return NULL;
michael@0:     }
michael@0: 
michael@0:     if (gStaticSets->fDotEquivalents->contains(decimal)) {
michael@0:         return strictParse ? gStaticSets->fStrictDotEquivalents : gStaticSets->fDotEquivalents;
michael@0:     }
michael@0: 
michael@0:     if (gStaticSets->fCommaEquivalents->contains(decimal)) {
michael@0:         return strictParse ? gStaticSets->fStrictCommaEquivalents : gStaticSets->fCommaEquivalents;
michael@0:     }
michael@0: 
michael@0:     // if there is no match, return NULL
michael@0:     return NULL;
michael@0: }
michael@0: 
michael@0: 
michael@0: U_NAMESPACE_END
michael@0: #endif   // !UCONFIG_NO_FORMATTING