[apple/icu.git] / icuSources / i18n / csdetect.cpp

/*
 **********************************************************************
 *   Copyright (C) 2005-2008, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 **********************************************************************
 */

#include "unicode/utypes.h"

#if !UCONFIG_NO_CONVERSION

#include "unicode/ucsdet.h"

#include "csdetect.h"
#include "csmatch.h"
#include "uenumimp.h"

#include "cmemory.h"
#include "cstring.h"
#include "umutex.h"
#include "ucln_in.h"
#include "uarrsort.h"
#include "inputext.h"
#include "csrsbcs.h"
#include "csrmbcs.h"
#include "csrutf8.h"
#include "csrucode.h"
#include "csr2022.h"

#define ARRAY_SIZE(array) (sizeof array / sizeof array[0])

#define NEW_ARRAY(type,count) (type *) uprv_malloc((count) * sizeof(type))
#define DELETE_ARRAY(array) uprv_free((void *) (array))

U_CDECL_BEGIN
static U_NAMESPACE_QUALIFIER CharsetRecognizer **fCSRecognizers = NULL;

static int32_t fCSRecognizers_size = 0;

static UBool U_CALLCONV csdet_cleanup(void)
{
    if (fCSRecognizers != NULL) {
        for(int32_t r = 0; r < fCSRecognizers_size; r += 1) {
            delete fCSRecognizers[r];
            fCSRecognizers[r] = NULL;
        }

        DELETE_ARRAY(fCSRecognizers);
        fCSRecognizers = NULL;
        fCSRecognizers_size = 0;
    }

    return TRUE;
}

static int32_t U_CALLCONV
charsetMatchComparator(const void * /*context*/, const void *left, const void *right)
{
    U_NAMESPACE_USE

    const CharsetMatch **csm_l = (const CharsetMatch **) left;
    const CharsetMatch **csm_r = (const CharsetMatch **) right;

    // NOTE: compare is backwards to sort from highest to lowest.
    return (*csm_r)->getConfidence() - (*csm_l)->getConfidence();
}

U_CDECL_END

U_NAMESPACE_BEGIN

void CharsetDetector::setRecognizers(UErrorCode &status)
{
    UBool needsInit;
    CharsetRecognizer **recognizers;

    if (U_FAILURE(status)) {
        return;
    }

    UMTX_CHECK(NULL, (UBool) (fCSRecognizers == NULL), needsInit);

    if (needsInit) {
        CharsetRecognizer *tempArray[] = {
            new CharsetRecog_UTF8(),

            new CharsetRecog_UTF_16_BE(),
            new CharsetRecog_UTF_16_LE(),
            new CharsetRecog_UTF_32_BE(),
            new CharsetRecog_UTF_32_LE(),

            new CharsetRecog_8859_1_en(),
            new CharsetRecog_8859_1_da(),
            new CharsetRecog_8859_1_de(),
            new CharsetRecog_8859_1_es(),
            new CharsetRecog_8859_1_fr(),
            new CharsetRecog_8859_1_it(),
            new CharsetRecog_8859_1_nl(),
            new CharsetRecog_8859_1_no(),
            new CharsetRecog_8859_1_pt(),
            new CharsetRecog_8859_1_sv(),
            new CharsetRecog_8859_2_cs(),
            new CharsetRecog_8859_2_hu(),
            new CharsetRecog_8859_2_pl(),
            new CharsetRecog_8859_2_ro(),
            new CharsetRecog_8859_5_ru(),
            new CharsetRecog_8859_6_ar(),
            new CharsetRecog_8859_7_el(),
            new CharsetRecog_8859_8_I_he(),
            new CharsetRecog_8859_8_he(),
            new CharsetRecog_windows_1251(),
            new CharsetRecog_windows_1256(),
            new CharsetRecog_KOI8_R(),
            new CharsetRecog_8859_9_tr(),
            new CharsetRecog_sjis(),
            new CharsetRecog_gb_18030(),
            new CharsetRecog_euc_jp(),
            new CharsetRecog_euc_kr(),
            new CharsetRecog_big5(),

            new CharsetRecog_2022JP(),
            new CharsetRecog_2022KR(),
            new CharsetRecog_2022CN()
        };
        int32_t rCount = ARRAY_SIZE(tempArray);
        int32_t r;

        recognizers = NEW_ARRAY(CharsetRecognizer *, rCount);

        if (recognizers == NULL) {
            status = U_MEMORY_ALLOCATION_ERROR;
            return;
        } else {
            for (r = 0; r < rCount; r += 1) {
                recognizers[r] = tempArray[r];

                if (recognizers[r] == NULL) {
                    status = U_MEMORY_ALLOCATION_ERROR;
                    break;
                }
            }
        }

        if (U_SUCCESS(status)) {
            umtx_lock(NULL);
            if (fCSRecognizers == NULL) {
                fCSRecognizers = recognizers;
                fCSRecognizers_size = rCount;
            }
            umtx_unlock(NULL);
        }

        if (fCSRecognizers != recognizers) {
            for (r = 0; r < rCount; r += 1) {
                delete recognizers[r];
                recognizers[r] = NULL;
            }

            DELETE_ARRAY(recognizers);
        }

        recognizers = NULL;
        ucln_i18n_registerCleanup(UCLN_I18N_CSDET, csdet_cleanup);
    }
}

CharsetDetector::CharsetDetector(UErrorCode &status)
  : textIn(new InputText(status)), resultArray(NULL),
    resultCount(0), fStripTags(FALSE), fFreshTextSet(FALSE)
{
    if (U_FAILURE(status)) {
        return;
    }

    setRecognizers(status);

    if (U_FAILURE(status)) {
        return;
    }

    resultArray = (CharsetMatch **)uprv_malloc(sizeof(CharsetMatch *)*fCSRecognizers_size);

    if (resultArray == NULL) {
        status = U_MEMORY_ALLOCATION_ERROR;
        return;
    }

    for(int32_t i = 0; i < fCSRecognizers_size; i += 1) {
        resultArray[i] = new CharsetMatch();

        if (resultArray[i] == NULL) {
            status = U_MEMORY_ALLOCATION_ERROR;
            break;
        }
    }
}

CharsetDetector::~CharsetDetector()
{
    delete textIn;

    for(int32_t i = 0; i < fCSRecognizers_size; i += 1) {
        delete resultArray[i];
    }

    uprv_free(resultArray);
}

void CharsetDetector::setText(const char *in, int32_t len)
{
    textIn->setText(in, len);
    fFreshTextSet = TRUE;
}

UBool CharsetDetector::setStripTagsFlag(UBool flag)
{
    UBool temp = fStripTags;
    fStripTags = flag;
    fFreshTextSet = TRUE;
    return temp;
}

UBool CharsetDetector::getStripTagsFlag() const
{
    return fStripTags;
}

void CharsetDetector::setDeclaredEncoding(const char *encoding, int32_t len) const
{
    textIn->setDeclaredEncoding(encoding,len);
}

int32_t CharsetDetector::getDetectableCount()
{
    UErrorCode status = U_ZERO_ERROR;

    setRecognizers(status);

    return fCSRecognizers_size; 
}

const CharsetMatch *CharsetDetector::detect(UErrorCode &status)
{
    int32_t maxMatchesFound = 0;

    detectAll(maxMatchesFound, status);

    if(maxMatchesFound > 0) {
        return resultArray[0];
    } else {
        return NULL;
    }
}

const CharsetMatch * const *CharsetDetector::detectAll(int32_t &maxMatchesFound, UErrorCode &status)
{
    if(!textIn->isSet()) {
        status = U_MISSING_RESOURCE_ERROR;// TODO:  Need to set proper status code for input text not set

        return NULL;
    } else if(fFreshTextSet) {
        CharsetRecognizer *csr;
        int32_t            detectResults;
        int32_t            confidence;
        int32_t            i;

        textIn->MungeInput(fStripTags);

        // Iterate over all possible charsets, remember all that
        // give a match quality > 0.
        resultCount = 0;
        for (i = 0; i < fCSRecognizers_size; i += 1) {
            csr = fCSRecognizers[i];
            detectResults = csr->match(textIn);
            confidence = detectResults;

            if (confidence > 0)  {
                resultArray[resultCount++]->set(textIn, csr, confidence);
            }
        }

        for(i = resultCount; i < fCSRecognizers_size; i += 1) {
            resultArray[i]->set(textIn, 0, 0);
        }

        uprv_sortArray(resultArray, resultCount, sizeof resultArray[0], charsetMatchComparator, NULL, TRUE, &status);
        ////Bubble sort
        //for(int32_t i = resultCount; i > 1; i -= 1) {
        //    for(int32_t j = 0; j < i-1; j += 1) {
        //        if(resultArray[j]->getConfidence() < resultArray[j+1]->getConfidence()) {
        //            CharsetMatch *temp = resultArray[j];
        //            resultArray[j] = resultArray[j+1];
        //            resultArray[j+1] = temp;
        //        }
        //    }
        //}

        fFreshTextSet = FALSE;
    }

    maxMatchesFound = resultCount;

    return resultArray;
}

/*const char *CharsetDetector::getCharsetName(int32_t index, UErrorCode &status) const
{
    if( index > fCSRecognizers_size-1 || index < 0) {
        status = U_INDEX_OUTOFBOUNDS_ERROR;

        return 0;
    } else {
        return fCSRecognizers[index]->getName();
    }
}*/

U_NAMESPACE_END

U_CDECL_BEGIN
typedef struct {
    int32_t currIndex;
} Context;


static void U_CALLCONV
enumClose(UEnumeration *en) {
    if(en->context != NULL) {
        DELETE_ARRAY(en->context);
    }

    DELETE_ARRAY(en);
}

static int32_t U_CALLCONV
enumCount(UEnumeration *, UErrorCode *) {
    return fCSRecognizers_size;
}

static const char* U_CALLCONV
enumNext(UEnumeration *en, int32_t *resultLength, UErrorCode * /*status*/) {
    if(((Context *)en->context)->currIndex >= fCSRecognizers_size) {
        if(resultLength != NULL) {
            *resultLength = 0;
        }
        return NULL;
    }
    const char *currName = fCSRecognizers[((Context *)en->context)->currIndex]->getName();
    if(resultLength != NULL) {
        *resultLength = (int32_t)uprv_strlen(currName);
    }
    ((Context *)en->context)->currIndex++;

    return currName;
}

static void U_CALLCONV
enumReset(UEnumeration *en, UErrorCode *) {
    ((Context *)en->context)->currIndex = 0;
}

static const UEnumeration gCSDetEnumeration = {
    NULL,
    NULL,
    enumClose,
    enumCount,
    uenum_unextDefault,
    enumNext,
    enumReset
};

U_CAPI  UEnumeration * U_EXPORT2
ucsdet_getAllDetectableCharsets(const UCharsetDetector *ucsd, UErrorCode *status)
{
    U_NAMESPACE_USE

    if(U_FAILURE(*status)) {
        return 0;
    }

    /* Initialize recognized charsets. */
    CharsetDetector::getDetectableCount();

    UEnumeration *en = NEW_ARRAY(UEnumeration, 1);
    memcpy(en, &gCSDetEnumeration, sizeof(UEnumeration));
    en->context = (void*)NEW_ARRAY(Context, 1);
    uprv_memset(en->context, 0, sizeof(Context));
    return en;
}
U_CDECL_END

#endif
Commit	Line	Data
73c04bcf A	1	/*
73c04bcf A	2	**********************************************************************
46f4442e	3	* Copyright (C) 2005-2008, International Business Machines
73c04bcf A	4	* Corporation and others. All Rights Reserved.
	5	**********************************************************************
	6	*/
	7
	8	#include "unicode/utypes.h"
	9
	10	#if !UCONFIG_NO_CONVERSION
	11
	12	#include "unicode/ucsdet.h"
	13
	14	#include "csdetect.h"
	15	#include "csmatch.h"
	16	#include "uenumimp.h"
	17
	18	#include "cmemory.h"
	19	#include "cstring.h"
	20	#include "umutex.h"
	21	#include "ucln_in.h"
	22	#include "uarrsort.h"
	23	#include "inputext.h"
	24	#include "csrsbcs.h"
	25	#include "csrmbcs.h"
	26	#include "csrutf8.h"
	27	#include "csrucode.h"
	28	#include "csr2022.h"
	29
	30	#define ARRAY_SIZE(array) (sizeof array / sizeof array[0])
	31
	32	#define NEW_ARRAY(type,count) (type ) uprv_malloc((count) sizeof(type))
	33	#define DELETE_ARRAY(array) uprv_free((void *) (array))
	34
	35	U_CDECL_BEGIN
46f4442e	36	static U_NAMESPACE_QUALIFIER CharsetRecognizer **fCSRecognizers = NULL;
73c04bcf A	37
	38	static int32_t fCSRecognizers_size = 0;
	39
	40	static UBool U_CALLCONV csdet_cleanup(void)
	41	{
	42	if (fCSRecognizers != NULL) {
	43	for(int32_t r = 0; r < fCSRecognizers_size; r += 1) {
	44	delete fCSRecognizers[r];
	45	fCSRecognizers[r] = NULL;
	46	}
	47
	48	DELETE_ARRAY(fCSRecognizers);
	49	fCSRecognizers = NULL;
	50	fCSRecognizers_size = 0;
	51	}
	52
	53	return TRUE;
	54	}
	55
	56	static int32_t U_CALLCONV
46f4442e	57	charsetMatchComparator(const void * /context/, const void left, const void right)
73c04bcf	58	{
46f4442e A	59	U_NAMESPACE_USE
46f4442e A	60
73c04bcf A	61	const CharsetMatch csm_l = (const CharsetMatch ) left;
	62	const CharsetMatch csm_r = (const CharsetMatch ) right;
	63
	64	// NOTE: compare is backwards to sort from highest to lowest.
	65	return (csm_r)->getConfidence() - (csm_l)->getConfidence();
	66	}
	67
	68	U_CDECL_END
	69
	70	U_NAMESPACE_BEGIN
	71
	72	void CharsetDetector::setRecognizers(UErrorCode &status)
	73	{
	74	UBool needsInit;
	75	CharsetRecognizer **recognizers;
	76
	77	if (U_FAILURE(status)) {
	78	return;
	79	}
	80
46f4442e	81	UMTX_CHECK(NULL, (UBool) (fCSRecognizers == NULL), needsInit);
73c04bcf A	82
	83	if (needsInit) {
	84	CharsetRecognizer *tempArray[] = {
	85	new CharsetRecog_UTF8(),
	86
	87	new CharsetRecog_UTF_16_BE(),
	88	new CharsetRecog_UTF_16_LE(),
	89	new CharsetRecog_UTF_32_BE(),
	90	new CharsetRecog_UTF_32_LE(),
	91
	92	new CharsetRecog_8859_1_en(),
	93	new CharsetRecog_8859_1_da(),
	94	new CharsetRecog_8859_1_de(),
	95	new CharsetRecog_8859_1_es(),
	96	new CharsetRecog_8859_1_fr(),
	97	new CharsetRecog_8859_1_it(),
	98	new CharsetRecog_8859_1_nl(),
	99	new CharsetRecog_8859_1_no(),
	100	new CharsetRecog_8859_1_pt(),
	101	new CharsetRecog_8859_1_sv(),
	102	new CharsetRecog_8859_2_cs(),
	103	new CharsetRecog_8859_2_hu(),
	104	new CharsetRecog_8859_2_pl(),
	105	new CharsetRecog_8859_2_ro(),
	106	new CharsetRecog_8859_5_ru(),
	107	new CharsetRecog_8859_6_ar(),
	108	new CharsetRecog_8859_7_el(),
	109	new CharsetRecog_8859_8_I_he(),
	110	new CharsetRecog_8859_8_he(),
	111	new CharsetRecog_windows_1251(),
	112	new CharsetRecog_windows_1256(),
	113	new CharsetRecog_KOI8_R(),
	114	new CharsetRecog_8859_9_tr(),
	115	new CharsetRecog_sjis(),
	116	new CharsetRecog_gb_18030(),
	117	new CharsetRecog_euc_jp(),
	118	new CharsetRecog_euc_kr(),
	119	new CharsetRecog_big5(),
	120
	121	new CharsetRecog_2022JP(),
	122	new CharsetRecog_2022KR(),
	123	new CharsetRecog_2022CN()
	124	};
	125	int32_t rCount = ARRAY_SIZE(tempArray);
	126	int32_t r;
	127
	128	recognizers = NEW_ARRAY(CharsetRecognizer *, rCount);
	129
	130	if (recognizers == NULL) {
	131	status = U_MEMORY_ALLOCATION_ERROR;
46f4442e	132	return;
73c04bcf A	133	} else {
	134	for (r = 0; r < rCount; r += 1) {
	135	recognizers[r] = tempArray[r];
	136
	137	if (recognizers[r] == NULL) {
	138	status = U_MEMORY_ALLOCATION_ERROR;
	139	break;
	140	}
	141	}
	142	}
	143
	144	if (U_SUCCESS(status)) {
	145	umtx_lock(NULL);
	146	if (fCSRecognizers == NULL) {
	147	fCSRecognizers = recognizers;
	148	fCSRecognizers_size = rCount;
	149	}
	150	umtx_unlock(NULL);
	151	}
	152
	153	if (fCSRecognizers != recognizers) {
	154	for (r = 0; r < rCount; r += 1) {
	155	delete recognizers[r];
	156	recognizers[r] = NULL;
	157	}
	158
	159	DELETE_ARRAY(recognizers);
	160	}
	161
	162	recognizers = NULL;
	163	ucln_i18n_registerCleanup(UCLN_I18N_CSDET, csdet_cleanup);
	164	}
	165	}
	166
	167	CharsetDetector::CharsetDetector(UErrorCode &status)
46f4442e A	168	: textIn(new InputText(status)), resultArray(NULL),
46f4442e A	169	resultCount(0), fStripTags(FALSE), fFreshTextSet(FALSE)
73c04bcf A	170	{
	171	if (U_FAILURE(status)) {
	172	return;
	173	}
	174
	175	setRecognizers(status);
	176
	177	if (U_FAILURE(status)) {
	178	return;
	179	}
	180
	181	resultArray = (CharsetMatch *)uprv_malloc(sizeof(CharsetMatch )*fCSRecognizers_size);
	182
	183	if (resultArray == NULL) {
	184	status = U_MEMORY_ALLOCATION_ERROR;
	185	return;
	186	}
	187
	188	for(int32_t i = 0; i < fCSRecognizers_size; i += 1) {
	189	resultArray[i] = new CharsetMatch();
	190
	191	if (resultArray[i] == NULL) {
	192	status = U_MEMORY_ALLOCATION_ERROR;
	193	break;
	194	}
	195	}
	196	}
	197
	198	CharsetDetector::~CharsetDetector()
	199	{
	200	delete textIn;
	201
	202	for(int32_t i = 0; i < fCSRecognizers_size; i += 1) {
	203	delete resultArray[i];
	204	}
	205
	206	uprv_free(resultArray);
	207	}
	208
	209	void CharsetDetector::setText(const char *in, int32_t len)
	210	{
	211	textIn->setText(in, len);
	212	fFreshTextSet = TRUE;
	213	}
	214
	215	UBool CharsetDetector::setStripTagsFlag(UBool flag)
	216	{
	217	UBool temp = fStripTags;
	218	fStripTags = flag;
	219	fFreshTextSet = TRUE;
	220	return temp;
	221	}
	222
	223	UBool CharsetDetector::getStripTagsFlag() const
	224	{
	225	return fStripTags;
	226	}
	227
	228	void CharsetDetector::setDeclaredEncoding(const char *encoding, int32_t len) const
	229	{
	230	textIn->setDeclaredEncoding(encoding,len);
	231	}
	232
	233	int32_t CharsetDetector::getDetectableCount()
234	{
235	UErrorCode status = U_ZERO_ERROR;
236
237	setRecognizers(status);
238
239	return fCSRecognizers_size;
240	}
241
242	const CharsetMatch *CharsetDetector::detect(UErrorCode &status)
243	{
244	int32_t maxMatchesFound = 0;
245
246	detectAll(maxMatchesFound, status);
247
248	if(maxMatchesFound > 0) {
249	return resultArray[0];
250	} else {
251	return NULL;
252	}
253	}
254
255	const CharsetMatch * const *CharsetDetector::detectAll(int32_t &maxMatchesFound, UErrorCode &status)
256	{
257	if(!textIn->isSet()) {
258	status = U_MISSING_RESOURCE_ERROR;// TODO: Need to set proper status code for input text not set
259
260	return NULL;
261	} else if(fFreshTextSet) {
262	CharsetRecognizer *csr;
263	int32_t detectResults;
264	int32_t confidence;
46f4442e	265	int32_t i;
73c04bcf A	266
	267	textIn->MungeInput(fStripTags);
	268
	269	// Iterate over all possible charsets, remember all that
	270	// give a match quality > 0.
	271	resultCount = 0;
46f4442e	272	for (i = 0; i < fCSRecognizers_size; i += 1) {
73c04bcf A	273	csr = fCSRecognizers[i];
	274	detectResults = csr->match(textIn);
	275	confidence = detectResults;
	276
	277	if (confidence > 0) {
	278	resultArray[resultCount++]->set(textIn, csr, confidence);
	279	}
	280	}
	281
46f4442e	282	for(i = resultCount; i < fCSRecognizers_size; i += 1) {
73c04bcf A	283	resultArray[i]->set(textIn, 0, 0);
	284	}
	285
	286	uprv_sortArray(resultArray, resultCount, sizeof resultArray[0], charsetMatchComparator, NULL, TRUE, &status);
	287	////Bubble sort
	288	//for(int32_t i = resultCount; i > 1; i -= 1) {
	289	// for(int32_t j = 0; j < i-1; j += 1) {
	290	// if(resultArray[j]->getConfidence() < resultArray[j+1]->getConfidence()) {
	291	// CharsetMatch *temp = resultArray[j];
	292	// resultArray[j] = resultArray[j+1];
	293	// resultArray[j+1] = temp;
	294	// }
	295	// }
	296	//}
	297
	298	fFreshTextSet = FALSE;
	299	}
	300
	301	maxMatchesFound = resultCount;
	302
	303	return resultArray;
	304	}
	305
46f4442e	306	/const char CharsetDetector::getCharsetName(int32_t index, UErrorCode &status) const
73c04bcf A	307	{
	308	if( index > fCSRecognizers_size-1 \|\| index < 0) {
	309	status = U_INDEX_OUTOFBOUNDS_ERROR;
	310
	311	return 0;
	312	} else {
	313	return fCSRecognizers[index]->getName();
	314	}
46f4442e	315	}*/
73c04bcf A	316
	317	U_NAMESPACE_END
	318
	319	U_CDECL_BEGIN
	320	typedef struct {
	321	int32_t currIndex;
	322	} Context;
	323
	324
	325
	326	static void U_CALLCONV
	327	enumClose(UEnumeration *en) {
	328	if(en->context != NULL) {
	329	DELETE_ARRAY(en->context);
	330	}
	331
	332	DELETE_ARRAY(en);
	333	}
	334
	335	static int32_t U_CALLCONV
	336	enumCount(UEnumeration , UErrorCode ) {
	337	return fCSRecognizers_size;
	338	}
	339
	340	static const char* U_CALLCONV
46f4442e	341	enumNext(UEnumeration en, int32_t resultLength, UErrorCode * /status/) {
73c04bcf A	342	if(((Context *)en->context)->currIndex >= fCSRecognizers_size) {
	343	if(resultLength != NULL) {
	344	*resultLength = 0;
	345	}
	346	return NULL;
	347	}
	348	const char currName = fCSRecognizers[((Context )en->context)->currIndex]->getName();
	349	if(resultLength != NULL) {
	350	*resultLength = (int32_t)uprv_strlen(currName);
	351	}
	352	((Context *)en->context)->currIndex++;
	353
	354	return currName;
	355	}
	356
	357	static void U_CALLCONV
	358	enumReset(UEnumeration en, UErrorCode ) {
	359	((Context *)en->context)->currIndex = 0;
	360	}
	361
	362	static const UEnumeration gCSDetEnumeration = {
	363	NULL,
	364	NULL,
	365	enumClose,
	366	enumCount,
	367	uenum_unextDefault,
	368	enumNext,
	369	enumReset
	370	};
	371
	372	U_CAPI UEnumeration * U_EXPORT2
46f4442e	373	ucsdet_getAllDetectableCharsets(const UCharsetDetector ucsd, UErrorCode status)
73c04bcf	374	{
46f4442e A	375	U_NAMESPACE_USE
46f4442e A	376
73c04bcf A	377	if(U_FAILURE(*status)) {
	378	return 0;
	379	}
	380
	381	/* Initialize recognized charsets. */
	382	CharsetDetector::getDetectableCount();
	383
	384	UEnumeration *en = NEW_ARRAY(UEnumeration, 1);
	385	memcpy(en, &gCSDetEnumeration, sizeof(UEnumeration));
	386	en->context = (void*)NEW_ARRAY(Context, 1);
	387	uprv_memset(en->context, 0, sizeof(Context));
	388	return en;
	389	}
	390	U_CDECL_END
	391
	392	#endif
46f4442e	393