// Copyright (C) 2016 and later: Unicode, Inc. and others. // License & terms of use: http://www.unicode.org/copyright.html /* ********************************************************************** * Copyright (c) 2002-2014, International Business Machines Corporation * and others. All Rights Reserved. ********************************************************************** * Date Name Description * 01/14/2002 aliu Creation. ********************************************************************** */ #include "unicode/utypes.h" #if !UCONFIG_NO_TRANSLITERATION #include "tridpars.h" #include "hash.h" #include "mutex.h" #include "transreg.h" #include "uassert.h" #include "ucln_in.h" #include "unicode/parsepos.h" #include "unicode/translit.h" #include "unicode/uchar.h" #include "unicode/uniset.h" #include "unicode/unistr.h" #include "unicode/utrans.h" #include "util.h" #include "uvector.h" U_NAMESPACE_BEGIN static const UChar ID_DELIM = 0x003B; // ; static const UChar TARGET_SEP = 0x002D; // - static const UChar VARIANT_SEP = 0x002F; // / static const UChar OPEN_REV = 0x0028; // ( static const UChar CLOSE_REV = 0x0029; // ) //static const UChar EMPTY[] = {0}; // "" static const UChar ANY[] = {65,110,121,0}; // "Any" static const UChar ANY_NULL[] = {65,110,121,45,78,117,108,108,0}; // "Any-Null" static const int32_t FORWARD = UTRANS_FORWARD; static const int32_t REVERSE = UTRANS_REVERSE; static Hashtable* SPECIAL_INVERSES = NULL; static UInitOnce gSpecialInversesInitOnce = U_INITONCE_INITIALIZER; /** * The mutex controlling access to SPECIAL_INVERSES */ static UMutex LOCK = U_MUTEX_INITIALIZER; TransliteratorIDParser::Specs::Specs(const UnicodeString& s, const UnicodeString& t, const UnicodeString& v, UBool sawS, const UnicodeString& f) { source = s; target = t; variant = v; sawSource = sawS; filter = f; } TransliteratorIDParser::SingleID::SingleID(const UnicodeString& c, const UnicodeString& b, const UnicodeString& f) { canonID = c; basicID = b; filter = f; } TransliteratorIDParser::SingleID::SingleID(const UnicodeString& c, const UnicodeString& b) { canonID = c; basicID = b; } Transliterator* TransliteratorIDParser::SingleID::createInstance() { Transliterator* t; if (basicID.length() == 0) { t = createBasicInstance(UnicodeString(TRUE, ANY_NULL, 8), &canonID); } else { t = createBasicInstance(basicID, &canonID); } if (t != NULL) { if (filter.length() != 0) { UErrorCode ec = U_ZERO_ERROR; UnicodeSet *set = new UnicodeSet(filter, ec); if (U_FAILURE(ec)) { delete set; } else { t->adoptFilter(set); } } } return t; } /** * Parse a single ID, that is, an ID of the general form * "[f1] s1-t1/v1 ([f2] s2-t3/v2)", with the parenthesized element * optional, the filters optional, and the variants optional. * @param id the id to be parsed * @param pos INPUT-OUTPUT parameter. On input, the position of * the first character to parse. On output, the position after * the last character parsed. * @param dir the direction. If the direction is REVERSE then the * SingleID is constructed for the reverse direction. * @return a SingleID object or NULL */ TransliteratorIDParser::SingleID* TransliteratorIDParser::parseSingleID(const UnicodeString& id, int32_t& pos, int32_t dir, UErrorCode& status) { int32_t start = pos; // The ID will be of the form A, A(), A(B), or (B), where // A and B are filter IDs. Specs* specsA = NULL; Specs* specsB = NULL; UBool sawParen = FALSE; // On the first pass, look for (B) or (). If this fails, then // on the second pass, look for A, A(B), or A(). for (int32_t pass=1; pass<=2; ++pass) { if (pass == 2) { specsA = parseFilterID(id, pos, TRUE); if (specsA == NULL) { pos = start; return NULL; } } if (ICU_Utility::parseChar(id, pos, OPEN_REV)) { sawParen = TRUE; if (!ICU_Utility::parseChar(id, pos, CLOSE_REV)) { specsB = parseFilterID(id, pos, TRUE); // Must close with a ')' if (specsB == NULL || !ICU_Utility::parseChar(id, pos, CLOSE_REV)) { delete specsA; pos = start; return NULL; } } break; } } // Assemble return results SingleID* single; if (sawParen) { if (dir == FORWARD) { SingleID* b = specsToID(specsB, FORWARD); single = specsToID(specsA, FORWARD); // Null pointers check if (b == NULL || single == NULL) { delete b; delete single; status = U_MEMORY_ALLOCATION_ERROR; return NULL; } single->canonID.append(OPEN_REV) .append(b->canonID).append(CLOSE_REV); if (specsA != NULL) { single->filter = specsA->filter; } delete b; } else { SingleID* a = specsToID(specsA, FORWARD); single = specsToID(specsB, FORWARD); // Check for null pointer. if (a == NULL || single == NULL) { delete a; delete single; status = U_MEMORY_ALLOCATION_ERROR; return NULL; } single->canonID.append(OPEN_REV) .append(a->canonID).append(CLOSE_REV); if (specsB != NULL) { single->filter = specsB->filter; } delete a; } } else { // assert(specsA != NULL); if (dir == FORWARD) { single = specsToID(specsA, FORWARD); } else { single = specsToSpecialInverse(*specsA, status); if (single == NULL) { single = specsToID(specsA, REVERSE); } } // Check for NULL pointer if (single == NULL) { status = U_MEMORY_ALLOCATION_ERROR; return NULL; } single->filter = specsA->filter; } delete specsA; delete specsB; return single; } /** * Parse a filter ID, that is, an ID of the general form * "[f1] s1-t1/v1", with the filters optional, and the variants optional. * @param id the id to be parsed * @param pos INPUT-OUTPUT parameter. On input, the position of * the first character to parse. On output, the position after * the last character parsed. * @return a SingleID object or null if the parse fails */ TransliteratorIDParser::SingleID* TransliteratorIDParser::parseFilterID(const UnicodeString& id, int32_t& pos) { int32_t start = pos; Specs* specs = parseFilterID(id, pos, TRUE); if (specs == NULL) { pos = start; return NULL; } // Assemble return results SingleID* single = specsToID(specs, FORWARD); if (single != NULL) { single->filter = specs->filter; } delete specs; return single; } /** * Parse a global filter of the form "[f]" or "([f])", depending * on 'withParens'. * @param id the pattern the parse * @param pos INPUT-OUTPUT parameter. On input, the position of * the first character to parse. On output, the position after * the last character parsed. * @param dir the direction. * @param withParens INPUT-OUTPUT parameter. On entry, if * withParens is 0, then parens are disallowed. If it is 1, * then parens are requires. If it is -1, then parens are * optional, and the return result will be set to 0 or 1. * @param canonID OUTPUT parameter. The pattern for the filter * added to the canonID, either at the end, if dir is FORWARD, or * at the start, if dir is REVERSE. The pattern will be enclosed * in parentheses if appropriate, and will be suffixed with an * ID_DELIM character. May be NULL. * @return a UnicodeSet object or NULL. A non-NULL results * indicates a successful parse, regardless of whether the filter * applies to the given direction. The caller should discard it * if withParens != (dir == REVERSE). */ UnicodeSet* TransliteratorIDParser::parseGlobalFilter(const UnicodeString& id, int32_t& pos, int32_t dir, int32_t& withParens, UnicodeString* canonID) { UnicodeSet* filter = NULL; int32_t start = pos; if (withParens == -1) { withParens = ICU_Utility::parseChar(id, pos, OPEN_REV) ? 1 : 0; } else if (withParens == 1) { if (!ICU_Utility::parseChar(id, pos, OPEN_REV)) { pos = start; return NULL; } } ICU_Utility::skipWhitespace(id, pos, TRUE); if (UnicodeSet::resemblesPattern(id, pos)) { ParsePosition ppos(pos); UErrorCode ec = U_ZERO_ERROR; filter = new UnicodeSet(id, ppos, USET_IGNORE_SPACE, NULL, ec); /* test for NULL */ if (filter == 0) { pos = start; return 0; } if (U_FAILURE(ec)) { delete filter; pos = start; return NULL; } UnicodeString pattern; id.extractBetween(pos, ppos.getIndex(), pattern); pos = ppos.getIndex(); if (withParens == 1 && !ICU_Utility::parseChar(id, pos, CLOSE_REV)) { pos = start; return NULL; } // In the forward direction, append the pattern to the // canonID. In the reverse, insert it at zero, and invert // the presence of parens ("A" <-> "(A)"). if (canonID != NULL) { if (dir == FORWARD) { if (withParens == 1) { pattern.insert(0, OPEN_REV); pattern.append(CLOSE_REV); } canonID->append(pattern).append(ID_DELIM); } else { if (withParens == 0) { pattern.insert(0, OPEN_REV); pattern.append(CLOSE_REV); } canonID->insert(0, pattern); canonID->insert(pattern.length(), ID_DELIM); } } } return filter; } U_CDECL_BEGIN static void U_CALLCONV _deleteSingleID(void* obj) { delete (TransliteratorIDParser::SingleID*) obj; } static void U_CALLCONV _deleteTransliteratorTrIDPars(void* obj) { delete (Transliterator*) obj; } U_CDECL_END /** * Parse a compound ID, consisting of an optional forward global * filter, a separator, one or more single IDs delimited by * separators, an an optional reverse global filter. The * separator is a semicolon. The global filters are UnicodeSet * patterns. The reverse global filter must be enclosed in * parentheses. * @param id the pattern the parse * @param dir the direction. * @param canonID OUTPUT parameter that receives the canonical ID, * consisting of canonical IDs for all elements, as returned by * parseSingleID(), separated by semicolons. Previous contents * are discarded. * @param list OUTPUT parameter that receives a list of SingleID * objects representing the parsed IDs. Previous contents are * discarded. * @param globalFilter OUTPUT parameter that receives a pointer to * a newly created global filter for this ID in this direction, or * NULL if there is none. * @return TRUE if the parse succeeds, that is, if the entire * id is consumed without syntax error. */ UBool TransliteratorIDParser::parseCompoundID(const UnicodeString& id, int32_t dir, UnicodeString& canonID, UVector& list, UnicodeSet*& globalFilter) { UErrorCode ec = U_ZERO_ERROR; int32_t i; int32_t pos = 0; int32_t withParens = 1; list.removeAllElements(); UnicodeSet* filter; globalFilter = NULL; canonID.truncate(0); // Parse leading global filter, if any withParens = 0; // parens disallowed filter = parseGlobalFilter(id, pos, dir, withParens, &canonID); if (filter != NULL) { if (!ICU_Utility::parseChar(id, pos, ID_DELIM)) { // Not a global filter; backup and resume canonID.truncate(0); pos = 0; } if (dir == FORWARD) { globalFilter = filter; } else { delete filter; } filter = NULL; } UBool sawDelimiter = TRUE; for (;;) { SingleID* single = parseSingleID(id, pos, dir, ec); if (single == NULL) { break; } if (dir == FORWARD) { list.addElement(single, ec); } else { list.insertElementAt(single, 0, ec); } if (U_FAILURE(ec)) { goto FAIL; } if (!ICU_Utility::parseChar(id, pos, ID_DELIM)) { sawDelimiter = FALSE; break; } } if (list.size() == 0) { goto FAIL; } // Construct canonical ID for (i=0; icanonID); if (i != (list.size()-1)) { canonID.append(ID_DELIM); } } // Parse trailing global filter, if any, and only if we saw // a trailing delimiter after the IDs. if (sawDelimiter) { withParens = 1; // parens required filter = parseGlobalFilter(id, pos, dir, withParens, &canonID); if (filter != NULL) { // Don't require trailing ';', but parse it if present ICU_Utility::parseChar(id, pos, ID_DELIM); if (dir == REVERSE) { globalFilter = filter; } else { delete filter; } filter = NULL; } } // Trailing unparsed text is a syntax error ICU_Utility::skipWhitespace(id, pos, TRUE); if (pos != id.length()) { goto FAIL; } return TRUE; FAIL: UObjectDeleter *save = list.setDeleter(_deleteSingleID); list.removeAllElements(); list.setDeleter(save); delete globalFilter; globalFilter = NULL; return FALSE; } /** * Convert the elements of the 'list' vector, which are SingleID * objects, into actual Transliterator objects. In the course of * this, some (or all) entries may be removed. If all entries * are removed, the NULL transliterator will be added. * * Delete entries with empty basicIDs; these are generated by * elements like "(A)" in the forward direction, or "A()" in * the reverse. THIS MAY RESULT IN AN EMPTY VECTOR. Convert * SingleID entries to actual transliterators. * * @param list vector of SingleID objects. On exit, vector * of one or more Transliterators. * @return new value of insertIndex. The index will shift if * there are empty items, like "(Lower)", with indices less than * insertIndex. */ void TransliteratorIDParser::instantiateList(UVector& list, UErrorCode& ec) { UVector tlist(ec); if (U_FAILURE(ec)) { goto RETURN; } tlist.setDeleter(_deleteTransliteratorTrIDPars); Transliterator* t; int32_t i; for (i=0; i<=list.size(); ++i) { // [sic]: i<=list.size() // We run the loop too long by one, so we can // do an insert after the last element if (i==list.size()) { break; } SingleID* single = (SingleID*) list.elementAt(i); if (single->basicID.length() != 0) { t = single->createInstance(); if (t == NULL) { ec = U_INVALID_ID; goto RETURN; } tlist.addElement(t, ec); if (U_FAILURE(ec)) { delete t; goto RETURN; } } } // An empty list is equivalent to a NULL transliterator. if (tlist.size() == 0) { t = createBasicInstance(UnicodeString(TRUE, ANY_NULL, 8), NULL); if (t == NULL) { // Should never happen ec = U_INTERNAL_TRANSLITERATOR_ERROR; } tlist.addElement(t, ec); if (U_FAILURE(ec)) { delete t; } } RETURN: UObjectDeleter *save = list.setDeleter(_deleteSingleID); list.removeAllElements(); if (U_SUCCESS(ec)) { list.setDeleter(_deleteTransliteratorTrIDPars); while (tlist.size() > 0) { t = (Transliterator*) tlist.orphanElementAt(0); list.addElement(t, ec); if (U_FAILURE(ec)) { delete t; list.removeAllElements(); break; } } } list.setDeleter(save); } /** * Parse an ID into pieces. Take IDs of the form T, T/V, S-T, * S-T/V, or S/V-T. If the source is missing, return a source of * ANY. * @param id the id string, in any of several forms * @return an array of 4 strings: source, target, variant, and * isSourcePresent. If the source is not present, ANY will be * given as the source, and isSourcePresent will be NULL. Otherwise * isSourcePresent will be non-NULL. The target may be empty if the * id is not well-formed. The variant may be empty. */ void TransliteratorIDParser::IDtoSTV(const UnicodeString& id, UnicodeString& source, UnicodeString& target, UnicodeString& variant, UBool& isSourcePresent) { source.setTo(ANY, 3); target.truncate(0); variant.truncate(0); int32_t sep = id.indexOf(TARGET_SEP); int32_t var = id.indexOf(VARIANT_SEP); if (var < 0) { var = id.length(); } isSourcePresent = FALSE; if (sep < 0) { // Form: T/V or T (or /V) id.extractBetween(0, var, target); id.extractBetween(var, id.length(), variant); } else if (sep < var) { // Form: S-T/V or S-T (or -T/V or -T) if (sep > 0) { id.extractBetween(0, sep, source); isSourcePresent = TRUE; } id.extractBetween(++sep, var, target); id.extractBetween(var, id.length(), variant); } else { // Form: (S/V-T or /V-T) if (var > 0) { id.extractBetween(0, var, source); isSourcePresent = TRUE; } id.extractBetween(var, sep++, variant); id.extractBetween(sep, id.length(), target); } if (variant.length() > 0) { variant.remove(0, 1); } } /** * Given source, target, and variant strings, concatenate them into a * full ID. If the source is empty, then "Any" will be used for the * source, so the ID will always be of the form s-t/v or s-t. */ void TransliteratorIDParser::STVtoID(const UnicodeString& source, const UnicodeString& target, const UnicodeString& variant, UnicodeString& id) { id = source; if (id.length() == 0) { id.setTo(ANY, 3); } id.append(TARGET_SEP).append(target); if (variant.length() != 0) { id.append(VARIANT_SEP).append(variant); } // NUL-terminate the ID string for getTerminatedBuffer. // This prevents valgrind and Purify warnings. id.append((UChar)0); id.truncate(id.length()-1); } /** * Register two targets as being inverses of one another. For * example, calling registerSpecialInverse("NFC", "NFD", TRUE) causes * Transliterator to form the following inverse relationships: * *
NFC => NFD
 * Any-NFC => Any-NFD
 * NFD => NFC
 * Any-NFD => Any-NFC
* * (Without the special inverse registration, the inverse of NFC * would be NFC-Any.) Note that NFD is shorthand for Any-NFD, but * that the presence or absence of "Any-" is preserved. * *

The relationship is symmetrical; registering (a, b) is * equivalent to registering (b, a). * *

The relevant IDs must still be registered separately as * factories or classes. * *

Only the targets are specified. Special inverses always * have the form Any-Target1 <=> Any-Target2. The target should * have canonical casing (the casing desired to be produced when * an inverse is formed) and should contain no whitespace or other * extraneous characters. * * @param target the target against which to register the inverse * @param inverseTarget the inverse of target, that is * Any-target.getInverse() => Any-inverseTarget * @param bidirectional if TRUE, register the reverse relation * as well, that is, Any-inverseTarget.getInverse() => Any-target */ void TransliteratorIDParser::registerSpecialInverse(const UnicodeString& target, const UnicodeString& inverseTarget, UBool bidirectional, UErrorCode &status) { umtx_initOnce(gSpecialInversesInitOnce, init, status); if (U_FAILURE(status)) { return; } // If target == inverseTarget then force bidirectional => FALSE if (bidirectional && 0==target.caseCompare(inverseTarget, U_FOLD_CASE_DEFAULT)) { bidirectional = FALSE; } Mutex lock(&LOCK); UnicodeString *tempus = new UnicodeString(inverseTarget); // Used for null pointer check before usage. if (tempus == NULL) { status = U_MEMORY_ALLOCATION_ERROR; return; } SPECIAL_INVERSES->put(target, tempus, status); if (bidirectional) { tempus = new UnicodeString(target); if (tempus == NULL) { status = U_MEMORY_ALLOCATION_ERROR; return; } SPECIAL_INVERSES->put(inverseTarget, tempus, status); } } //---------------------------------------------------------------- // Private implementation //---------------------------------------------------------------- /** * Parse an ID into component pieces. Take IDs of the form T, * T/V, S-T, S-T/V, or S/V-T. If the source is missing, return a * source of ANY. * @param id the id string, in any of several forms * @param pos INPUT-OUTPUT parameter. On input, pos is the * offset of the first character to parse in id. On output, * pos is the offset after the last parsed character. If the * parse failed, pos will be unchanged. * @param allowFilter2 if TRUE, a UnicodeSet pattern is allowed * at any location between specs or delimiters, and is returned * as the fifth string in the array. * @return a Specs object, or NULL if the parse failed. If * neither source nor target was seen in the parsed id, then the * parse fails. If allowFilter is TRUE, then the parsed filter * pattern is returned in the Specs object, otherwise the returned * filter reference is NULL. If the parse fails for any reason * NULL is returned. */ TransliteratorIDParser::Specs* TransliteratorIDParser::parseFilterID(const UnicodeString& id, int32_t& pos, UBool allowFilter) { UnicodeString first; UnicodeString source; UnicodeString target; UnicodeString variant; UnicodeString filter; UChar delimiter = 0; int32_t specCount = 0; int32_t start = pos; // This loop parses one of the following things with each // pass: a filter, a delimiter character (either '-' or '/'), // or a spec (source, target, or variant). for (;;) { ICU_Utility::skipWhitespace(id, pos, TRUE); if (pos == id.length()) { break; } // Parse filters if (allowFilter && filter.length() == 0 && UnicodeSet::resemblesPattern(id, pos)) { ParsePosition ppos(pos); UErrorCode ec = U_ZERO_ERROR; UnicodeSet set(id, ppos, USET_IGNORE_SPACE, NULL, ec); if (U_FAILURE(ec)) { pos = start; return NULL; } id.extractBetween(pos, ppos.getIndex(), filter); pos = ppos.getIndex(); continue; } if (delimiter == 0) { UChar c = id.charAt(pos); if ((c == TARGET_SEP && target.length() == 0) || (c == VARIANT_SEP && variant.length() == 0)) { delimiter = c; ++pos; continue; } } // We are about to try to parse a spec with no delimiter // when we can no longer do so (we can only do so at the // start); break. if (delimiter == 0 && specCount > 0) { break; } UnicodeString spec = ICU_Utility::parseUnicodeIdentifier(id, pos); if (spec.length() == 0) { // Note that if there was a trailing delimiter, we // consume it. So Foo-, Foo/, Foo-Bar/, and Foo/Bar- // are legal. break; } switch (delimiter) { case 0: first = spec; break; case TARGET_SEP: target = spec; break; case VARIANT_SEP: variant = spec; break; } ++specCount; delimiter = 0; } // A spec with no prior character is either source or target, // depending on whether an explicit "-target" was seen. if (first.length() != 0) { if (target.length() == 0) { target = first; } else { source = first; } } // Must have either source or target if (source.length() == 0 && target.length() == 0) { pos = start; return NULL; } // Empty source or target defaults to ANY UBool sawSource = TRUE; if (source.length() == 0) { source.setTo(ANY, 3); sawSource = FALSE; } if (target.length() == 0) { target.setTo(ANY, 3); } return new Specs(source, target, variant, sawSource, filter); } /** * Givens a Spec object, convert it to a SingleID object. The * Spec object is a more unprocessed parse result. The SingleID * object contains information about canonical and basic IDs. * @return a SingleID; never returns NULL. Returned object always * has 'filter' field of NULL. */ TransliteratorIDParser::SingleID* TransliteratorIDParser::specsToID(const Specs* specs, int32_t dir) { UnicodeString canonID; UnicodeString basicID; UnicodeString basicPrefix; if (specs != NULL) { UnicodeString buf; if (dir == FORWARD) { if (specs->sawSource) { buf.append(specs->source).append(TARGET_SEP); } else { basicPrefix = specs->source; basicPrefix.append(TARGET_SEP); } buf.append(specs->target); } else { buf.append(specs->target).append(TARGET_SEP).append(specs->source); } if (specs->variant.length() != 0) { buf.append(VARIANT_SEP).append(specs->variant); } basicID = basicPrefix; basicID.append(buf); if (specs->filter.length() != 0) { buf.insert(0, specs->filter); } canonID = buf; } return new SingleID(canonID, basicID); } /** * Given a Specs object, return a SingleID representing the * special inverse of that ID. If there is no special inverse * then return NULL. * @return a SingleID or NULL. Returned object always has * 'filter' field of NULL. */ TransliteratorIDParser::SingleID* TransliteratorIDParser::specsToSpecialInverse(const Specs& specs, UErrorCode &status) { if (0!=specs.source.caseCompare(ANY, 3, U_FOLD_CASE_DEFAULT)) { return NULL; } umtx_initOnce(gSpecialInversesInitOnce, init, status); if (U_FAILURE(status)) { return NULL; } UnicodeString* inverseTarget; umtx_lock(&LOCK); inverseTarget = (UnicodeString*) SPECIAL_INVERSES->get(specs.target); umtx_unlock(&LOCK); if (inverseTarget != NULL) { // If the original ID contained "Any-" then make the // special inverse "Any-Foo"; otherwise make it "Foo". // So "Any-NFC" => "Any-NFD" but "NFC" => "NFD". UnicodeString buf; if (specs.filter.length() != 0) { buf.append(specs.filter); } if (specs.sawSource) { buf.append(ANY, 3).append(TARGET_SEP); } buf.append(*inverseTarget); UnicodeString basicID(TRUE, ANY, 3); basicID.append(TARGET_SEP).append(*inverseTarget); if (specs.variant.length() != 0) { buf.append(VARIANT_SEP).append(specs.variant); basicID.append(VARIANT_SEP).append(specs.variant); } return new SingleID(buf, basicID); } return NULL; } /** * Glue method to get around access problems in C++. This would * ideally be inline but we want to avoid a circular header * dependency. */ Transliterator* TransliteratorIDParser::createBasicInstance(const UnicodeString& id, const UnicodeString* canonID) { return Transliterator::createBasicInstance(id, canonID); } /** * Initialize static memory. Called through umtx_initOnce only. */ void U_CALLCONV TransliteratorIDParser::init(UErrorCode &status) { U_ASSERT(SPECIAL_INVERSES == NULL); ucln_i18n_registerCleanup(UCLN_I18N_TRANSLITERATOR, utrans_transliterator_cleanup); SPECIAL_INVERSES = new Hashtable(TRUE, status); if (SPECIAL_INVERSES == NULL) { status = U_MEMORY_ALLOCATION_ERROR; return; } SPECIAL_INVERSES->setValueDeleter(uprv_deleteUObject); } /** * Free static memory. */ void TransliteratorIDParser::cleanup() { if (SPECIAL_INVERSES) { delete SPECIAL_INVERSES; SPECIAL_INVERSES = NULL; } gSpecialInversesInitOnce.reset(); } U_NAMESPACE_END #endif /* #if !UCONFIG_NO_TRANSLITERATION */ //eof