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

/*
*****************************************************************
* Copyright (c) 2002-2011, International Business Machines Corporation
* and others.  All Rights Reserved.
*****************************************************************
* Date        Name        Description
* 06/06/2002  aliu        Creation.
*****************************************************************
*/

#include "unicode/utypes.h"

#if !UCONFIG_NO_TRANSLITERATION

#include "unicode/uobject.h"
#include "unicode/uscript.h"
#include "nultrans.h"
#include "anytrans.h"
#include "uvector.h"
#include "tridpars.h"
#include "hash.h"
#include "putilimp.h"
#include "uinvchar.h"

//------------------------------------------------------------
// Constants

static const UChar TARGET_SEP = 45; // '-'
static const UChar VARIANT_SEP = 47; // '/'
static const UChar ANY[] = {65,110,121,0}; // "Any"
static const UChar NULL_ID[] = {78,117,108,108,0}; // "Null"
static const UChar LATIN_PIVOT[] = {45,76,97,116,105,110,59,76,97,116,105,110,45,0}; // "-Latin;Latin-"

//------------------------------------------------------------

U_CDECL_BEGIN
/**
 * Deleter function for Transliterator*.
 */
static void U_CALLCONV
_deleteTransliterator(void *obj) {
    delete (icu::Transliterator*) obj;    
}
U_CDECL_END

//------------------------------------------------------------

U_NAMESPACE_BEGIN

//------------------------------------------------------------
// ScriptRunIterator

/**
 * Returns a series of ranges corresponding to scripts. They will be
 * of the form:
 *
 * ccccSScSSccccTTcTcccc   - c = common, S = first script, T = second
 * |            |          - first run (start, limit)
 *          |           |  - second run (start, limit)
 *
 * That is, the runs will overlap. The reason for this is so that a
 * transliterator can consider common characters both before and after
 * the scripts.
 */
class ScriptRunIterator : public UMemory {
private:
    const Replaceable& text;
    int32_t textStart;
    int32_t textLimit;

public:
    /**
     * The code of the current run, valid after next() returns.  May
     * be USCRIPT_INVALID_CODE if and only if the entire text is
     * COMMON/INHERITED.
     */
    UScriptCode scriptCode;

    /**
     * The start of the run, inclusive, valid after next() returns.
     */
    int32_t start;

    /**
     * The end of the run, exclusive, valid after next() returns.
     */
    int32_t limit;
    
    /**
     * Constructs a run iterator over the given text from start
     * (inclusive) to limit (exclusive).
     */
    ScriptRunIterator(const Replaceable& text, int32_t start, int32_t limit);

    /**
     * Returns TRUE if there are any more runs.  TRUE is always
     * returned at least once.  Upon return, the caller should
     * examine scriptCode, start, and limit.
     */
    UBool next();

    /**
     * Adjusts internal indices for a change in the limit index of the
     * given delta.  A positive delta means the limit has increased.
     */
    void adjustLimit(int32_t delta);

private:
    ScriptRunIterator(const ScriptRunIterator &other); // forbid copying of this class
    ScriptRunIterator &operator=(const ScriptRunIterator &other); // forbid copying of this class
};

ScriptRunIterator::ScriptRunIterator(const Replaceable& theText,
                                     int32_t myStart, int32_t myLimit) :
    text(theText)
{
    textStart = myStart;
    textLimit = myLimit;
    limit = myStart;
}

UBool ScriptRunIterator::next() {
    UChar32 ch;
    UScriptCode s;
    UErrorCode ec = U_ZERO_ERROR;

    scriptCode = USCRIPT_INVALID_CODE; // don't know script yet
    start = limit;

    // Are we done?
    if (start == textLimit) {
        return FALSE;
    }

    // Move start back to include adjacent COMMON or INHERITED
    // characters
    while (start > textStart) {
        ch = text.char32At(start - 1); // look back
        s = uscript_getScript(ch, &ec);
        if (s == USCRIPT_COMMON || s == USCRIPT_INHERITED) {
            --start;
        } else {
            break;
        }
    }

    // Move limit ahead to include COMMON, INHERITED, and characters
    // of the current script.
    while (limit < textLimit) {
        ch = text.char32At(limit); // look ahead
        s = uscript_getScript(ch, &ec);
        if (s != USCRIPT_COMMON && s != USCRIPT_INHERITED) {
            if (scriptCode == USCRIPT_INVALID_CODE) {
                scriptCode = s;
            } else if (s != scriptCode) {
                break;
            }
        }
        ++limit;
    }

    // Return TRUE even if the entire text is COMMON / INHERITED, in
    // which case scriptCode will be USCRIPT_INVALID_CODE.
    return TRUE;
}

void ScriptRunIterator::adjustLimit(int32_t delta) {
    limit += delta;
    textLimit += delta;
}

//------------------------------------------------------------
// AnyTransliterator

UOBJECT_DEFINE_RTTI_IMPLEMENTATION(AnyTransliterator)

AnyTransliterator::AnyTransliterator(const UnicodeString& id,
                                     const UnicodeString& theTarget,
                                     const UnicodeString& theVariant,
                                     UScriptCode theTargetScript,
                                     UErrorCode& ec) :
    Transliterator(id, NULL),
    targetScript(theTargetScript) 
{
    cache = uhash_open(uhash_hashLong, uhash_compareLong, NULL, &ec);
    if (U_FAILURE(ec)) {
        return;
    }
    uhash_setValueDeleter(cache, _deleteTransliterator);

    target = theTarget;
    if (theVariant.length() > 0) {
        target.append(VARIANT_SEP).append(theVariant);
    }
}

AnyTransliterator::~AnyTransliterator() {
    uhash_close(cache);
}

/**
 * Copy constructor.
 */
AnyTransliterator::AnyTransliterator(const AnyTransliterator& o) :
    Transliterator(o),
    target(o.target),
    targetScript(o.targetScript)
{
    // Don't copy the cache contents
    UErrorCode ec = U_ZERO_ERROR;
    cache = uhash_open(uhash_hashLong, uhash_compareLong, NULL, &ec);
    if (U_FAILURE(ec)) {
        return;
    }
    uhash_setValueDeleter(cache, _deleteTransliterator);
}

/**
 * Transliterator API.
 */
Transliterator* AnyTransliterator::clone() const {
    return new AnyTransliterator(*this);
}

/**
 * Implements {@link Transliterator#handleTransliterate}.
 */
void AnyTransliterator::handleTransliterate(Replaceable& text, UTransPosition& pos,
                                            UBool isIncremental) const {
    int32_t allStart = pos.start;
    int32_t allLimit = pos.limit;

    ScriptRunIterator it(text, pos.contextStart, pos.contextLimit);

    while (it.next()) {
        // Ignore runs in the ante context
        if (it.limit <= allStart) continue;

        // Try to instantiate transliterator from it.scriptCode to
        // our target or target/variant
        Transliterator* t = getTransliterator(it.scriptCode);
       
        if (t == NULL) {
            // We have no transliterator.  Do nothing, but keep
            // pos.start up to date.
            pos.start = it.limit;
            continue;
        }

        // If the run end is before the transliteration limit, do
        // a non-incremental transliteration.  Otherwise do an
        // incremental one.
        UBool incremental = isIncremental && (it.limit >= allLimit);
        
        pos.start = uprv_max(allStart, it.start);
        pos.limit = uprv_min(allLimit, it.limit);
        int32_t limit = pos.limit;
        t->filteredTransliterate(text, pos, incremental);
        int32_t delta = pos.limit - limit;
        allLimit += delta;
        it.adjustLimit(delta);

        // We're done if we enter the post context
        if (it.limit >= allLimit) break;
    }

    // Restore limit.  pos.start is fine where the last transliterator
    // left it, or at the end of the last run.
    pos.limit = allLimit;
}

Transliterator* AnyTransliterator::getTransliterator(UScriptCode source) const {

    if (source == targetScript || source == USCRIPT_INVALID_CODE) {
        return NULL;
    }

    Transliterator* t = (Transliterator*) uhash_iget(cache, (int32_t) source);
    if (t == NULL) {
        UErrorCode ec = U_ZERO_ERROR;
        UnicodeString sourceName(uscript_getName(source), -1, US_INV);
        UnicodeString id(sourceName);
        id.append(TARGET_SEP).append(target);
        
        t = Transliterator::createInstance(id, UTRANS_FORWARD, ec);
        if (U_FAILURE(ec) || t == NULL) {
            delete t;
            
            // Try to pivot around Latin, our most common script
            id = sourceName;
            id.append(LATIN_PIVOT, -1).append(target);
            t = Transliterator::createInstance(id, UTRANS_FORWARD, ec);
            if (U_FAILURE(ec) || t == NULL) {
                delete t;
                t = NULL;
            }
        }

        if (t != NULL) {
            uhash_iput(cache, (int32_t) source, t, &ec);
        }
    }

    return t;
}

/**
 * Return the script code for a given name, or -1 if not found.
 */
static UScriptCode scriptNameToCode(const UnicodeString& name) {
    char buf[128];
    UScriptCode code;
    UErrorCode ec = U_ZERO_ERROR;
    int32_t nameLen = name.length();
    UBool isInvariant = uprv_isInvariantUString(name.getBuffer(), nameLen);
    
    if (isInvariant) {
        name.extract(0, nameLen, buf, (int32_t)sizeof(buf), US_INV);
        buf[127] = 0;   // Make sure that we NULL terminate the string.
    }
    if (!isInvariant || uscript_getCode(buf, &code, 1, &ec) != 1 || U_FAILURE(ec))
    {
        code = USCRIPT_INVALID_CODE;
    }
    return code;
}

/**
 * Registers standard transliterators with the system.  Called by
 * Transliterator during initialization.  Scan all current targets and
 * register those that are scripts T as Any-T/V.
 */
void AnyTransliterator::registerIDs() {

    UErrorCode ec = U_ZERO_ERROR;
    Hashtable seen(TRUE, ec);

    int32_t sourceCount = Transliterator::_countAvailableSources();
    for (int32_t s=0; s<sourceCount; ++s) {
        UnicodeString source;
        Transliterator::_getAvailableSource(s, source);

        // Ignore the "Any" source
        if (source.caseCompare(ANY, 3, 0 /*U_FOLD_CASE_DEFAULT*/) == 0) continue;

        int32_t targetCount = Transliterator::_countAvailableTargets(source);
        for (int32_t t=0; t<targetCount; ++t) {
            UnicodeString target;
            Transliterator::_getAvailableTarget(t, source, target);

            // Only process each target once
            if (seen.geti(target) != 0) continue;
            ec = U_ZERO_ERROR;
            seen.puti(target, 1, ec);
            
            // Get the script code for the target.  If not a script, ignore.
            UScriptCode targetScript = scriptNameToCode(target);
            if (targetScript == USCRIPT_INVALID_CODE) continue;

            int32_t variantCount = Transliterator::_countAvailableVariants(source, target);
            // assert(variantCount >= 1);
            for (int32_t v=0; v<variantCount; ++v) {
                UnicodeString variant;
                Transliterator::_getAvailableVariant(v, source, target, variant);
                
                UnicodeString id;
                TransliteratorIDParser::STVtoID(UnicodeString(TRUE, ANY, 3), target, variant, id);
                ec = U_ZERO_ERROR;
                AnyTransliterator* t = new AnyTransliterator(id, target, variant,
                                                             targetScript, ec);
                if (U_FAILURE(ec)) {
                    delete t;
                } else {
                    Transliterator::_registerInstance(t);
                    Transliterator::_registerSpecialInverse(target, UnicodeString(TRUE, NULL_ID, 4), FALSE);
                }
            }
        }
    }
}

U_NAMESPACE_END

#endif /* #if !UCONFIG_NO_TRANSLITERATION */

//eof
Commit	Line	Data
b75a7d8f A	1	/*
b75a7d8f A	2	*****************************************************************
4388f060	3	* Copyright (c) 2002-2011, International Business Machines Corporation
b75a7d8f A	4	* and others. All Rights Reserved.
	5	*****************************************************************
	6	* Date Name Description
	7	* 06/06/2002 aliu Creation.
	8	*****************************************************************
	9	*/
	10
	11	#include "unicode/utypes.h"
	12
	13	#if !UCONFIG_NO_TRANSLITERATION
	14
	15	#include "unicode/uobject.h"
	16	#include "unicode/uscript.h"
	17	#include "nultrans.h"
	18	#include "anytrans.h"
	19	#include "uvector.h"
	20	#include "tridpars.h"
	21	#include "hash.h"
374ca955	22	#include "putilimp.h"
73c04bcf	23	#include "uinvchar.h"
b75a7d8f A	24
	25	//------------------------------------------------------------
	26	// Constants
	27
	28	static const UChar TARGET_SEP = 45; // '-'
	29	static const UChar VARIANT_SEP = 47; // '/'
	30	static const UChar ANY[] = {65,110,121,0}; // "Any"
	31	static const UChar NULL_ID[] = {78,117,108,108,0}; // "Null"
	32	static const UChar LATIN_PIVOT[] = {45,76,97,116,105,110,59,76,97,116,105,110,45,0}; // "-Latin;Latin-"
	33
	34	//------------------------------------------------------------
	35
	36	U_CDECL_BEGIN
	37	/**
	38	* Deleter function for Transliterator*.
	39	*/
	40	static void U_CALLCONV
	41	_deleteTransliterator(void *obj) {
4388f060	42	delete (icu::Transliterator*) obj;
b75a7d8f A	43	}
	44	U_CDECL_END
	45
	46	//------------------------------------------------------------
	47
	48	U_NAMESPACE_BEGIN
	49
	50	//------------------------------------------------------------
	51	// ScriptRunIterator
	52
	53	/**
	54	* Returns a series of ranges corresponding to scripts. They will be
	55	* of the form:
	56	*
	57	* ccccSScSSccccTTcTcccc - c = common, S = first script, T = second
	58	* \| \| - first run (start, limit)
	59	* \| \| - second run (start, limit)
	60	*
	61	* That is, the runs will overlap. The reason for this is so that a
	62	* transliterator can consider common characters both before and after
	63	* the scripts.
	64	*/
	65	class ScriptRunIterator : public UMemory {
	66	private:
	67	const Replaceable& text;
	68	int32_t textStart;
	69	int32_t textLimit;
	70
	71	public:
	72	/**
	73	* The code of the current run, valid after next() returns. May
	74	* be USCRIPT_INVALID_CODE if and only if the entire text is
	75	* COMMON/INHERITED.
	76	*/
	77	UScriptCode scriptCode;
	78
	79	/**
	80	* The start of the run, inclusive, valid after next() returns.
	81	*/
	82	int32_t start;
	83
	84	/**
	85	* The end of the run, exclusive, valid after next() returns.
	86	*/
	87	int32_t limit;
	88
	89	/**
	90	* Constructs a run iterator over the given text from start
	91	* (inclusive) to limit (exclusive).
	92	*/
	93	ScriptRunIterator(const Replaceable& text, int32_t start, int32_t limit);
	94
	95	/**
	96	* Returns TRUE if there are any more runs. TRUE is always
	97	* returned at least once. Upon return, the caller should
	98	* examine scriptCode, start, and limit.
	99	*/
	100	UBool next();
	101
	102	/**
	103	* Adjusts internal indices for a change in the limit index of the
	104	* given delta. A positive delta means the limit has increased.
	105	*/
	106	void adjustLimit(int32_t delta);
107
108	private:
109	ScriptRunIterator(const ScriptRunIterator &other); // forbid copying of this class
110	ScriptRunIterator &operator=(const ScriptRunIterator &other); // forbid copying of this class
111	};
112
113	ScriptRunIterator::ScriptRunIterator(const Replaceable& theText,
114	int32_t myStart, int32_t myLimit) :
115	text(theText)
116	{
117	textStart = myStart;
118	textLimit = myLimit;
119	limit = myStart;
120	}
121
122	UBool ScriptRunIterator::next() {
123	UChar32 ch;
124	UScriptCode s;
125	UErrorCode ec = U_ZERO_ERROR;
126
127	scriptCode = USCRIPT_INVALID_CODE; // don't know script yet
128	start = limit;
129
130	// Are we done?
131	if (start == textLimit) {
132	return FALSE;
133	}
134
135	// Move start back to include adjacent COMMON or INHERITED
136	// characters
137	while (start > textStart) {
138	ch = text.char32At(start - 1); // look back
139	s = uscript_getScript(ch, &ec);
140	if (s == USCRIPT_COMMON \|\| s == USCRIPT_INHERITED) {
141	--start;
142	} else {
143	break;
144	}
145	}
146
147	// Move limit ahead to include COMMON, INHERITED, and characters
148	// of the current script.
149	while (limit < textLimit) {
150	ch = text.char32At(limit); // look ahead
151	s = uscript_getScript(ch, &ec);
152	if (s != USCRIPT_COMMON && s != USCRIPT_INHERITED) {
153	if (scriptCode == USCRIPT_INVALID_CODE) {
154	scriptCode = s;
155	} else if (s != scriptCode) {
156	break;
157	}
158	}
159	++limit;
160	}
161
162	// Return TRUE even if the entire text is COMMON / INHERITED, in
163	// which case scriptCode will be USCRIPT_INVALID_CODE.
164	return TRUE;
165	}
166
167	void ScriptRunIterator::adjustLimit(int32_t delta) {
168	limit += delta;
169	textLimit += delta;
170	}
171
172	//------------------------------------------------------------
173	// AnyTransliterator
174
374ca955	175	UOBJECT_DEFINE_RTTI_IMPLEMENTATION(AnyTransliterator)
b75a7d8f A	176
	177	AnyTransliterator::AnyTransliterator(const UnicodeString& id,
	178	const UnicodeString& theTarget,
	179	const UnicodeString& theVariant,
	180	UScriptCode theTargetScript,
	181	UErrorCode& ec) :
	182	Transliterator(id, NULL),
	183	targetScript(theTargetScript)
	184	{
73c04bcf	185	cache = uhash_open(uhash_hashLong, uhash_compareLong, NULL, &ec);
46f4442e A	186	if (U_FAILURE(ec)) {
	187	return;
	188	}
b75a7d8f A	189	uhash_setValueDeleter(cache, _deleteTransliterator);
	190
	191	target = theTarget;
	192	if (theVariant.length() > 0) {
	193	target.append(VARIANT_SEP).append(theVariant);
	194	}
	195	}
	196
	197	AnyTransliterator::~AnyTransliterator() {
	198	uhash_close(cache);
	199	}
	200
	201	/**
	202	* Copy constructor.
	203	*/
	204	AnyTransliterator::AnyTransliterator(const AnyTransliterator& o) :
	205	Transliterator(o),
	206	target(o.target),
	207	targetScript(o.targetScript)
	208	{
	209	// Don't copy the cache contents
	210	UErrorCode ec = U_ZERO_ERROR;
73c04bcf	211	cache = uhash_open(uhash_hashLong, uhash_compareLong, NULL, &ec);
46f4442e A	212	if (U_FAILURE(ec)) {
	213	return;
	214	}
b75a7d8f A	215	uhash_setValueDeleter(cache, _deleteTransliterator);
	216	}
	217
	218	/**
	219	* Transliterator API.
	220	*/
	221	Transliterator* AnyTransliterator::clone() const {
	222	return new AnyTransliterator(*this);
	223	}
	224
	225	/**
	226	* Implements {@link Transliterator#handleTransliterate}.
	227	*/
	228	void AnyTransliterator::handleTransliterate(Replaceable& text, UTransPosition& pos,
	229	UBool isIncremental) const {
	230	int32_t allStart = pos.start;
	231	int32_t allLimit = pos.limit;
	232
	233	ScriptRunIterator it(text, pos.contextStart, pos.contextLimit);
	234
	235	while (it.next()) {
	236	// Ignore runs in the ante context
	237	if (it.limit <= allStart) continue;
	238
	239	// Try to instantiate transliterator from it.scriptCode to
	240	// our target or target/variant
	241	Transliterator* t = getTransliterator(it.scriptCode);
	242
	243	if (t == NULL) {
	244	// We have no transliterator. Do nothing, but keep
	245	// pos.start up to date.
	246	pos.start = it.limit;
	247	continue;
	248	}
	249
	250	// If the run end is before the transliteration limit, do
	251	// a non-incremental transliteration. Otherwise do an
	252	// incremental one.
	253	UBool incremental = isIncremental && (it.limit >= allLimit);
	254
	255	pos.start = uprv_max(allStart, it.start);
	256	pos.limit = uprv_min(allLimit, it.limit);
	257	int32_t limit = pos.limit;
	258	t->filteredTransliterate(text, pos, incremental);
	259	int32_t delta = pos.limit - limit;
	260	allLimit += delta;
	261	it.adjustLimit(delta);
	262
	263	// We're done if we enter the post context
	264	if (it.limit >= allLimit) break;
	265	}
	266
	267	// Restore limit. pos.start is fine where the last transliterator
	268	// left it, or at the end of the last run.
	269	pos.limit = allLimit;
	270	}
	271
	272	Transliterator* AnyTransliterator::getTransliterator(UScriptCode source) const {
	273
	274	if (source == targetScript \|\| source == USCRIPT_INVALID_CODE) {
	275	return NULL;
	276	}
	277
	278	Transliterator* t = (Transliterator*) uhash_iget(cache, (int32_t) source);
279	if (t == NULL) {
280	UErrorCode ec = U_ZERO_ERROR;
73c04bcf	281	UnicodeString sourceName(uscript_getName(source), -1, US_INV);
b75a7d8f A	282	UnicodeString id(sourceName);
	283	id.append(TARGET_SEP).append(target);
	284
	285	t = Transliterator::createInstance(id, UTRANS_FORWARD, ec);
	286	if (U_FAILURE(ec) \|\| t == NULL) {
	287	delete t;
	288
	289	// Try to pivot around Latin, our most common script
	290	id = sourceName;
4388f060	291	id.append(LATIN_PIVOT, -1).append(target);
b75a7d8f A	292	t = Transliterator::createInstance(id, UTRANS_FORWARD, ec);
	293	if (U_FAILURE(ec) \|\| t == NULL) {
	294	delete t;
	295	t = NULL;
	296	}
	297	}
	298
	299	if (t != NULL) {
	300	uhash_iput(cache, (int32_t) source, t, &ec);
	301	}
	302	}
	303
	304	return t;
	305	}
	306
	307	/**
	308	* Return the script code for a given name, or -1 if not found.
	309	*/
73c04bcf	310	static UScriptCode scriptNameToCode(const UnicodeString& name) {
b75a7d8f A	311	char buf[128];
	312	UScriptCode code;
	313	UErrorCode ec = U_ZERO_ERROR;
73c04bcf A	314	int32_t nameLen = name.length();
	315	UBool isInvariant = uprv_isInvariantUString(name.getBuffer(), nameLen);
	316
	317	if (isInvariant) {
	318	name.extract(0, nameLen, buf, (int32_t)sizeof(buf), US_INV);
	319	buf[127] = 0; // Make sure that we NULL terminate the string.
	320	}
	321	if (!isInvariant \|\| uscript_getCode(buf, &code, 1, &ec) != 1 \|\| U_FAILURE(ec))
	322	{
b75a7d8f A	323	code = USCRIPT_INVALID_CODE;
	324	}
	325	return code;
	326	}
	327
	328	/**
	329	* Registers standard transliterators with the system. Called by
	330	* Transliterator during initialization. Scan all current targets and
	331	* register those that are scripts T as Any-T/V.
	332	*/
	333	void AnyTransliterator::registerIDs() {
	334
374ca955 A	335	UErrorCode ec = U_ZERO_ERROR;
374ca955 A	336	Hashtable seen(TRUE, ec);
b75a7d8f A	337
	338	int32_t sourceCount = Transliterator::_countAvailableSources();
	339	for (int32_t s=0; s<sourceCount; ++s) {
	340	UnicodeString source;
	341	Transliterator::_getAvailableSource(s, source);
	342
	343	// Ignore the "Any" source
4388f060	344	if (source.caseCompare(ANY, 3, 0 /U_FOLD_CASE_DEFAULT/) == 0) continue;
b75a7d8f A	345
	346	int32_t targetCount = Transliterator::_countAvailableTargets(source);
	347	for (int32_t t=0; t<targetCount; ++t) {
	348	UnicodeString target;
	349	Transliterator::_getAvailableTarget(t, source, target);
	350
	351	// Only process each target once
	352	if (seen.geti(target) != 0) continue;
	353	ec = U_ZERO_ERROR;
	354	seen.puti(target, 1, ec);
	355
	356	// Get the script code for the target. If not a script, ignore.
	357	UScriptCode targetScript = scriptNameToCode(target);
	358	if (targetScript == USCRIPT_INVALID_CODE) continue;
	359
	360	int32_t variantCount = Transliterator::_countAvailableVariants(source, target);
	361	// assert(variantCount >= 1);
	362	for (int32_t v=0; v<variantCount; ++v) {
	363	UnicodeString variant;
	364	Transliterator::_getAvailableVariant(v, source, target, variant);
	365
	366	UnicodeString id;
4388f060	367	TransliteratorIDParser::STVtoID(UnicodeString(TRUE, ANY, 3), target, variant, id);
b75a7d8f A	368	ec = U_ZERO_ERROR;
	369	AnyTransliterator* t = new AnyTransliterator(id, target, variant,
	370	targetScript, ec);
	371	if (U_FAILURE(ec)) {
	372	delete t;
	373	} else {
	374	Transliterator::_registerInstance(t);
4388f060	375	Transliterator::_registerSpecialInverse(target, UnicodeString(TRUE, NULL_ID, 4), FALSE);
b75a7d8f A	376	}
	377	}
	378	}
	379	}
	380	}
	381
	382	U_NAMESPACE_END
	383
	384	#endif /* #if !UCONFIG_NO_TRANSLITERATION */
	385
	386	//eof