diff options
author | Jonathan Kew <jfkthame@googlemail.com> | 2006-07-25 12:37:43 +0000 |
---|---|---|
committer | Jonathan Kew <jfkthame@googlemail.com> | 2006-07-25 12:37:43 +0000 |
commit | 10c60368cd42904bd991453f02b684ebe02ef915 (patch) | |
tree | c6fb06ccf22a81c80af08f79df1b436120703de4 /Build/source/libs/icu-xetex/i18n/rbnf.cpp | |
parent | 4d8b2aac6036acbb6878236c27e2fb110dad8643 (diff) |
adding ICU library sources used by xetex
git-svn-id: svn://tug.org/texlive/trunk@1915 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/icu-xetex/i18n/rbnf.cpp')
-rw-r--r-- | Build/source/libs/icu-xetex/i18n/rbnf.cpp | 1541 |
1 files changed, 1541 insertions, 0 deletions
diff --git a/Build/source/libs/icu-xetex/i18n/rbnf.cpp b/Build/source/libs/icu-xetex/i18n/rbnf.cpp new file mode 100644 index 00000000000..c60d995cc59 --- /dev/null +++ b/Build/source/libs/icu-xetex/i18n/rbnf.cpp @@ -0,0 +1,1541 @@ +/* +******************************************************************************* +* Copyright (C) 1997-2005, International Business Machines Corporation +* and others. All Rights Reserved. +******************************************************************************* +*/ + +#include "unicode/rbnf.h" + +#if U_HAVE_RBNF + +#include "unicode/normlzr.h" +#include "unicode/tblcoll.h" +#include "unicode/uchar.h" +#include "unicode/ucol.h" +#include "unicode/uloc.h" +#include "unicode/unum.h" +#include "unicode/ures.h" +#include "unicode/ustring.h" +#include "unicode/utf16.h" +#include "unicode/udata.h" +#include "nfrs.h" + +#include "cmemory.h" +#include "cstring.h" +#include "util.h" + +// debugging +// #define DEBUG + +#ifdef DEBUG +#include "stdio.h" +#endif + +#define U_ICUDATA_RBNF U_ICUDATA_NAME U_TREE_SEPARATOR_STRING "rbnf" + +static const UChar gPercentPercent[] = +{ + 0x25, 0x25, 0 +}; /* "%%" */ + +// All urbnf objects are created through openRules, so we init all of the +// Unicode string constants required by rbnf, nfrs, or nfr here. +static const UChar gLenientParse[] = +{ + 0x25, 0x25, 0x6C, 0x65, 0x6E, 0x69, 0x65, 0x6E, 0x74, 0x2D, 0x70, 0x61, 0x72, 0x73, 0x65, 0x3A, 0 +}; /* "%%lenient-parse:" */ +static const UChar gSemiColon = 0x003B; +static const UChar gSemiPercent[] = +{ + 0x3B, 0x25, 0 +}; /* ";%" */ + +#define kSomeNumberOfBitsDiv2 22 +#define kHalfMaxDouble (double)(1 << kSomeNumberOfBitsDiv2) +#define kMaxDouble (kHalfMaxDouble * kHalfMaxDouble) + +U_NAMESPACE_BEGIN + +UOBJECT_DEFINE_RTTI_IMPLEMENTATION(RuleBasedNumberFormat) + +/* +This is a utility class. It does not use ICU's RTTI. +If ICU's RTTI is needed again, you can uncomment the RTTI code and derive from UObject. +Please make sure that intltest passes on Windows in Release mode, +since the string pooling per compilation unit will mess up how RTTI works. +The RTTI code was also removed due to lack of code coverage. +*/ +class LocalizationInfo : public UMemory { +protected: + virtual ~LocalizationInfo() {}; + uint32_t refcount; + +public: + LocalizationInfo() : refcount(0) {} + + LocalizationInfo* ref(void) { + ++refcount; + return this; + } + + LocalizationInfo* unref(void) { + if (refcount && --refcount == 0) { + delete this; + } + return NULL; + } + + virtual UBool operator==(const LocalizationInfo* rhs) const; + inline UBool operator!=(const LocalizationInfo* rhs) const { return !operator==(rhs); } + + virtual int32_t getNumberOfRuleSets(void) const = 0; + virtual const UChar* getRuleSetName(int32_t index) const = 0; + virtual int32_t getNumberOfDisplayLocales(void) const = 0; + virtual const UChar* getLocaleName(int32_t index) const = 0; + virtual const UChar* getDisplayName(int32_t localeIndex, int32_t ruleIndex) const = 0; + + virtual int32_t indexForLocale(const UChar* locale) const; + virtual int32_t indexForRuleSet(const UChar* ruleset) const; + +// virtual UClassID getDynamicClassID() const = 0; +// static UClassID getStaticClassID(void); +}; + +//UOBJECT_DEFINE_ABSTRACT_RTTI_IMPLEMENTATION(LocalizationInfo) + +// if both strings are NULL, this returns TRUE +static UBool +streq(const UChar* lhs, const UChar* rhs) { + if (rhs == lhs) { + return TRUE; + } + if (lhs && rhs) { + return u_strcmp(lhs, rhs) == 0; + } + return FALSE; +} + +UBool +LocalizationInfo::operator==(const LocalizationInfo* rhs) const { + if (rhs) { + if (this == rhs) { + return TRUE; + } + + int32_t rsc = getNumberOfRuleSets(); + if (rsc == rhs->getNumberOfRuleSets()) { + for (int i = 0; i < rsc; ++i) { + if (!streq(getRuleSetName(i), rhs->getRuleSetName(i))) { + return FALSE; + } + } + int32_t dlc = getNumberOfDisplayLocales(); + if (dlc == rhs->getNumberOfDisplayLocales()) { + for (int i = 0; i < dlc; ++i) { + const UChar* locale = getLocaleName(i); + int32_t ix = rhs->indexForLocale(locale); + // if no locale, ix is -1, getLocaleName returns null, so streq returns false + if (!streq(locale, rhs->getLocaleName(ix))) { + return FALSE; + } + for (int j = 0; j < rsc; ++j) { + if (!streq(getDisplayName(i, j), rhs->getDisplayName(ix, j))) { + return FALSE; + } + } + } + return TRUE; + } + } + } + return FALSE; +} + +int32_t +LocalizationInfo::indexForLocale(const UChar* locale) const { + for (int i = 0; i < getNumberOfDisplayLocales(); ++i) { + if (streq(locale, getLocaleName(i))) { + return i; + } + } + return -1; +} + +int32_t +LocalizationInfo::indexForRuleSet(const UChar* ruleset) const { + if (ruleset) { + for (int i = 0; i < getNumberOfRuleSets(); ++i) { + if (streq(ruleset, getRuleSetName(i))) { + return i; + } + } + } + return -1; +} + + +typedef void (*Fn_Deleter)(void*); + +class VArray { + void** buf; + int32_t cap; + int32_t size; + Fn_Deleter deleter; +public: + VArray() : buf(NULL), cap(0), size(0), deleter(NULL) {} + + VArray(Fn_Deleter del) : buf(NULL), cap(0), size(0), deleter(del) {} + + ~VArray() { + if (deleter) { + for (int i = 0; i < size; ++i) { + (*deleter)(buf[i]); + } + } + uprv_free(buf); + } + + int32_t length() { + return size; + } + + void add(void* elem, UErrorCode& status) { + if (U_SUCCESS(status)) { + if (size == cap) { + if (cap == 0) { + cap = 1; + } else if (cap < 256) { + cap *= 2; + } else { + cap += 256; + } + if (buf == NULL) { + buf = (void**)uprv_malloc(cap * sizeof(void*)); + } else { + buf = (void**)uprv_realloc(buf, cap * sizeof(void*)); + } + if (buf == NULL) { + // if we couldn't realloc, we leak the memory we've already allocated, but we're in deep trouble anyway + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + void* start = &buf[size]; + size_t count = (cap - size) * sizeof(void*); + uprv_memset(start, 0, count); // fill with nulls, just because + } + buf[size++] = elem; + } + } + + void** release(void) { + void** result = buf; + buf = NULL; + cap = 0; + size = 0; + return result; + } +}; + +class LocDataParser; + +class StringLocalizationInfo : public LocalizationInfo { + UChar* info; + UChar*** data; + int32_t numRuleSets; + int32_t numLocales; + +friend class LocDataParser; + + StringLocalizationInfo(UChar* i, UChar*** d, int32_t numRS, int32_t numLocs) + : info(i), data(d), numRuleSets(numRS), numLocales(numLocs) + { + } + +public: + static StringLocalizationInfo* create(const UnicodeString& info, UParseError& perror, UErrorCode& status); + + virtual ~StringLocalizationInfo(); + virtual int32_t getNumberOfRuleSets(void) const { return numRuleSets; } + virtual const UChar* getRuleSetName(int32_t index) const; + virtual int32_t getNumberOfDisplayLocales(void) const { return numLocales; } + virtual const UChar* getLocaleName(int32_t index) const; + virtual const UChar* getDisplayName(int32_t localeIndex, int32_t ruleIndex) const; + +// virtual UClassID getDynamicClassID() const; +// static UClassID getStaticClassID(void); + +private: + void init(UErrorCode& status) const; +}; + + +enum { + OPEN_ANGLE = 0x003c, /* '<' */ + CLOSE_ANGLE = 0x003e, /* '>' */ + COMMA = 0x002c, + TICK = 0x0027, + QUOTE = 0x0022, + SPACE = 0x0020 +}; + +/** + * Utility for parsing a localization string and returning a StringLocalizationInfo*. + */ +class LocDataParser { + UChar* data; + const UChar* e; + UChar* p; + UChar ch; + UParseError& pe; + UErrorCode& ec; + +public: + LocDataParser(UParseError& parseError, UErrorCode& status) + : data(NULL), e(NULL), p(NULL), ch(0xffff), pe(parseError), ec(status) {} + ~LocDataParser() {} + + /* + * On a successful parse, return a StringLocalizationInfo*, otherwise delete locData, set perror and status, + * and return NULL. The StringLocalizationInfo will adopt locData if it is created. + */ + StringLocalizationInfo* parse(UChar* data, int32_t len); + +private: + + void inc(void) { ++p; ch = 0xffff; } + UBool checkInc(UChar c) { if (p < e && (ch == c || *p == c)) { inc(); return TRUE; } return FALSE; } + UBool check(UChar c) { return p < e && (ch == c || *p == c); } + void skipWhitespace(void) { while (p < e && uprv_isRuleWhiteSpace(ch != 0xffff ? ch : *p)) inc();} + UBool inList(UChar c, const UChar* list) const { + if (*list == SPACE && uprv_isRuleWhiteSpace(c)) return TRUE; + while (*list && *list != c) ++list; return *list == c; + } + void parseError(const char* msg); + + StringLocalizationInfo* doParse(void); + + UChar** nextArray(int32_t& requiredLength); + UChar* nextString(void); +}; + +#ifdef DEBUG +#define ERROR(msg) parseError(msg); return NULL; +#else +#define ERROR(msg) parseError(NULL); return NULL; +#endif + + +static const UChar DQUOTE_STOPLIST[] = { + QUOTE, 0 +}; + +static const UChar SQUOTE_STOPLIST[] = { + TICK, 0 +}; + +static const UChar NOQUOTE_STOPLIST[] = { + SPACE, COMMA, CLOSE_ANGLE, OPEN_ANGLE, TICK, QUOTE, 0 +}; + +static void +DeleteFn(void* p) { + uprv_free(p); +} + +StringLocalizationInfo* +LocDataParser::parse(UChar* _data, int32_t len) { + if (U_FAILURE(ec)) { + if (_data) uprv_free(_data); + return NULL; + } + + pe.line = 0; + pe.offset = -1; + pe.postContext[0] = 0; + pe.preContext[0] = 0; + + if (_data == NULL) { + ec = U_ILLEGAL_ARGUMENT_ERROR; + return NULL; + } + + if (len <= 0) { + ec = U_ILLEGAL_ARGUMENT_ERROR; + uprv_free(_data); + return NULL; + } + + data = _data; + e = data + len; + p = _data; + ch = 0xffff; + + return doParse(); +} + + +StringLocalizationInfo* +LocDataParser::doParse(void) { + skipWhitespace(); + if (!checkInc(OPEN_ANGLE)) { + ERROR("Missing open angle"); + } else { + VArray array(DeleteFn); + UBool mightHaveNext = TRUE; + int32_t requiredLength = -1; + while (mightHaveNext) { + mightHaveNext = FALSE; + UChar** elem = nextArray(requiredLength); + skipWhitespace(); + UBool haveComma = check(COMMA); + if (elem) { + array.add(elem, ec); + if (haveComma) { + inc(); + mightHaveNext = TRUE; + } + } else if (haveComma) { + ERROR("Unexpected character"); + } + } + + skipWhitespace(); + if (!checkInc(CLOSE_ANGLE)) { + if (check(OPEN_ANGLE)) { + ERROR("Missing comma in outer array"); + } else { + ERROR("Missing close angle bracket in outer array"); + } + } + + skipWhitespace(); + if (p != e) { + ERROR("Extra text after close of localization data"); + } + + array.add(NULL, ec); + if (U_SUCCESS(ec)) { + int32_t numLocs = array.length() - 2; // subtract first, NULL + UChar*** result = (UChar***)array.release(); + + return new StringLocalizationInfo(data, result, requiredLength-2, numLocs); // subtract first, NULL + } + } + + ERROR("Unknown error"); +} + +UChar** +LocDataParser::nextArray(int32_t& requiredLength) { + if (U_FAILURE(ec)) { + return NULL; + } + + skipWhitespace(); + if (!checkInc(OPEN_ANGLE)) { + ERROR("Missing open angle"); + } + + VArray array; + UBool mightHaveNext = TRUE; + while (mightHaveNext) { + mightHaveNext = FALSE; + UChar* elem = nextString(); + skipWhitespace(); + UBool haveComma = check(COMMA); + if (elem) { + array.add(elem, ec); + if (haveComma) { + inc(); + mightHaveNext = TRUE; + } + } else if (haveComma) { + ERROR("Unexpected comma"); + } + } + skipWhitespace(); + if (!checkInc(CLOSE_ANGLE)) { + if (check(OPEN_ANGLE)) { + ERROR("Missing close angle bracket in inner array"); + } else { + ERROR("Missing comma in inner array"); + } + } + + array.add(NULL, ec); + if (U_SUCCESS(ec)) { + if (requiredLength == -1) { + requiredLength = array.length() + 1; + } else if (array.length() != requiredLength) { + ec = U_ILLEGAL_ARGUMENT_ERROR; + ERROR("Array not of required length"); + } + + return (UChar**)array.release(); + } + ERROR("Unknown Error"); +} + +UChar* +LocDataParser::nextString() { + UChar* result = NULL; + + skipWhitespace(); + if (p < e) { + const UChar* terminators; + UChar c = *p; + UBool haveQuote = c == QUOTE || c == TICK; + if (haveQuote) { + inc(); + terminators = c == QUOTE ? DQUOTE_STOPLIST : SQUOTE_STOPLIST; + } else { + terminators = NOQUOTE_STOPLIST; + } + UChar* start = p; + while (p < e && !inList(*p, terminators)) ++p; + if (p == e) { + ERROR("Unexpected end of data"); + } + + UChar x = *p; + if (p > start) { + ch = x; + *p = 0x0; // terminate by writing to data + result = start; // just point into data + } + if (haveQuote) { + if (x != c) { + ERROR("Missing matching quote"); + } else if (p == start) { + ERROR("Empty string"); + } + inc(); + } else if (x == OPEN_ANGLE || x == TICK || x == QUOTE) { + ERROR("Unexpected character in string"); + } + } + + // ok for there to be no next string + return result; +} + +void +LocDataParser::parseError(const char* /*str*/) { + if (!data) { + return; + } + + const UChar* start = p - U_PARSE_CONTEXT_LEN - 1; + if (start < data) { + start = data; + } + for (UChar* x = p; --x >= start;) { + if (!*x) { + start = x+1; + break; + } + } + const UChar* limit = p + U_PARSE_CONTEXT_LEN - 1; + if (limit > e) { + limit = e; + } + u_strncpy(pe.preContext, start, (int32_t)(p-start)); + pe.preContext[p-start] = 0; + u_strncpy(pe.postContext, p, (int32_t)(limit-p)); + pe.postContext[limit-p] = 0; + pe.offset = (int32_t)(p - data); + +#ifdef DEBUG + fprintf(stderr, "%s at or near character %d: ", str, p-data); + + UnicodeString msg; + msg.append(start, p - start); + msg.append((UChar)0x002f); /* SOLIDUS/SLASH */ + msg.append(p, limit-p); + msg.append("'"); + + char buf[128]; + int32_t len = msg.extract(0, msg.length(), buf, 128); + if (len >= 128) { + buf[127] = 0; + } else { + buf[len] = 0; + } + fprintf(stderr, "%s\n", buf); + fflush(stderr); +#endif + + uprv_free(data); + data = NULL; + p = NULL; + e = NULL; + + if (U_SUCCESS(ec)) { + ec = U_PARSE_ERROR; + } +} + +//UOBJECT_DEFINE_RTTI_IMPLEMENTATION(StringLocalizationInfo) + +StringLocalizationInfo* +StringLocalizationInfo::create(const UnicodeString& info, UParseError& perror, UErrorCode& status) { + if (U_FAILURE(status)) { + return NULL; + } + + int32_t len = info.length(); + if (len == 0) { + return NULL; // no error; + } + + UChar* p = (UChar*)uprv_malloc(len * sizeof(UChar)); + if (!p) { + status = U_MEMORY_ALLOCATION_ERROR; + return NULL; + } + info.extract(p, len, status); + if (!U_FAILURE(status)) { + status = U_ZERO_ERROR; // clear warning about non-termination + } + + LocDataParser parser(perror, status); + return parser.parse(p, len); +} + +StringLocalizationInfo::~StringLocalizationInfo() { + for (UChar*** p = (UChar***)data; *p; ++p) { + // remaining data is simply pointer into our unicode string data. + if (*p) uprv_free(*p); + } + if (data) uprv_free(data); + if (info) uprv_free(info); +} + + +const UChar* +StringLocalizationInfo::getRuleSetName(int32_t index) const { + if (index >= 0 && index < getNumberOfRuleSets()) { + return data[0][index]; + } + return NULL; +} + +const UChar* +StringLocalizationInfo::getLocaleName(int32_t index) const { + if (index >= 0 && index < getNumberOfDisplayLocales()) { + return data[index+1][0]; + } + return NULL; +} + +const UChar* +StringLocalizationInfo::getDisplayName(int32_t localeIndex, int32_t ruleIndex) const { + if (localeIndex >= 0 && localeIndex < getNumberOfDisplayLocales() && + ruleIndex >= 0 && ruleIndex < getNumberOfRuleSets()) { + return data[localeIndex+1][ruleIndex+1]; + } + return NULL; +} + +// ---------- + +RuleBasedNumberFormat::RuleBasedNumberFormat(const UnicodeString& description, + const UnicodeString& locs, + const Locale& alocale, UParseError& perror, UErrorCode& status) + : ruleSets(NULL) + , defaultRuleSet(NULL) + , locale(alocale) + , collator(NULL) + , decimalFormatSymbols(NULL) + , lenient(FALSE) + , lenientParseRules(NULL) + , localizations(NULL) +{ + LocalizationInfo* locinfo = StringLocalizationInfo::create(locs, perror, status); + init(description, locinfo, perror, status); +} + +RuleBasedNumberFormat::RuleBasedNumberFormat(const UnicodeString& description, + const UnicodeString& locs, + UParseError& perror, UErrorCode& status) + : ruleSets(NULL) + , defaultRuleSet(NULL) + , locale(Locale::getDefault()) + , collator(NULL) + , decimalFormatSymbols(NULL) + , lenient(FALSE) + , lenientParseRules(NULL) + , localizations(NULL) +{ + LocalizationInfo* locinfo = StringLocalizationInfo::create(locs, perror, status); + init(description, locinfo, perror, status); +} + +RuleBasedNumberFormat::RuleBasedNumberFormat(const UnicodeString& description, + LocalizationInfo* info, + const Locale& alocale, UParseError& perror, UErrorCode& status) + : ruleSets(NULL) + , defaultRuleSet(NULL) + , locale(alocale) + , collator(NULL) + , decimalFormatSymbols(NULL) + , lenient(FALSE) + , lenientParseRules(NULL) + , localizations(NULL) +{ + init(description, info, perror, status); +} + +RuleBasedNumberFormat::RuleBasedNumberFormat(const UnicodeString& description, + UParseError& perror, + UErrorCode& status) + : ruleSets(NULL) + , defaultRuleSet(NULL) + , locale(Locale::getDefault()) + , collator(NULL) + , decimalFormatSymbols(NULL) + , lenient(FALSE) + , lenientParseRules(NULL) + , localizations(NULL) +{ + init(description, NULL, perror, status); +} + +RuleBasedNumberFormat::RuleBasedNumberFormat(const UnicodeString& description, + const Locale& aLocale, + UParseError& perror, + UErrorCode& status) + : ruleSets(NULL) + , defaultRuleSet(NULL) + , locale(aLocale) + , collator(NULL) + , decimalFormatSymbols(NULL) + , lenient(FALSE) + , lenientParseRules(NULL) + , localizations(NULL) +{ + init(description, NULL, perror, status); +} + +RuleBasedNumberFormat::RuleBasedNumberFormat(URBNFRuleSetTag tag, const Locale& alocale, UErrorCode& status) + : ruleSets(NULL) + , defaultRuleSet(NULL) + , locale(alocale) + , collator(NULL) + , decimalFormatSymbols(NULL) + , lenient(FALSE) + , lenientParseRules(NULL) + , localizations(NULL) +{ + if (U_FAILURE(status)) { + return; + } + + const char* fmt_tag = ""; + switch (tag) { + case URBNF_SPELLOUT: fmt_tag = "SpelloutRules"; break; + case URBNF_ORDINAL: fmt_tag = "OrdinalRules"; break; + case URBNF_DURATION: fmt_tag = "DurationRules"; break; + default: status = U_ILLEGAL_ARGUMENT_ERROR; return; + } + + // TODO: read localization info from resource + LocalizationInfo* locinfo = NULL; + + int32_t len = 0; + UResourceBundle* nfrb = ures_open(U_ICUDATA_RBNF, locale.getName(), &status); + if (U_SUCCESS(status)) { + setLocaleIDs(ures_getLocaleByType(nfrb, ULOC_VALID_LOCALE, &status), + ures_getLocaleByType(nfrb, ULOC_ACTUAL_LOCALE, &status)); + const UChar* description = ures_getStringByKey(nfrb, fmt_tag, &len, &status); + UnicodeString desc(description, len); + UParseError perror; + init (desc, locinfo, perror, status); + } + ures_close(nfrb); +} + +RuleBasedNumberFormat::RuleBasedNumberFormat(const RuleBasedNumberFormat& rhs) + : NumberFormat(rhs) + , ruleSets(NULL) + , defaultRuleSet(NULL) + , locale(rhs.locale) + , collator(NULL) + , decimalFormatSymbols(NULL) + , lenient(FALSE) + , lenientParseRules(NULL) + , localizations(NULL) +{ + this->operator=(rhs); +} + +// -------- + +RuleBasedNumberFormat& +RuleBasedNumberFormat::operator=(const RuleBasedNumberFormat& rhs) +{ + UErrorCode status = U_ZERO_ERROR; + dispose(); + locale = rhs.locale; + lenient = rhs.lenient; + + UnicodeString rules = rhs.getRules(); + UParseError perror; + init(rules, rhs.localizations ? rhs.localizations->ref() : NULL, perror, status); + + return *this; +} + +RuleBasedNumberFormat::~RuleBasedNumberFormat() +{ + dispose(); +} + +Format* +RuleBasedNumberFormat::clone(void) const +{ + RuleBasedNumberFormat * result = NULL; + UnicodeString rules = getRules(); + UErrorCode status = U_ZERO_ERROR; + UParseError perror; + result = new RuleBasedNumberFormat(rules, localizations, locale, perror, status); + /* test for NULL */ + if (result == 0) { + status = U_MEMORY_ALLOCATION_ERROR; + return 0; + } + if (U_FAILURE(status)) { + delete result; + result = 0; + } else { + result->lenient = lenient; + } + return result; +} + +UBool +RuleBasedNumberFormat::operator==(const Format& other) const +{ + if (this == &other) { + return TRUE; + } + + if (other.getDynamicClassID() == getStaticClassID()) { + const RuleBasedNumberFormat& rhs = (const RuleBasedNumberFormat&)other; + if (locale == rhs.locale && + lenient == rhs.lenient && + (localizations == NULL + ? rhs.localizations == NULL + : (rhs.localizations == NULL + ? FALSE + : *localizations == rhs.localizations))) { + + NFRuleSet** p = ruleSets; + NFRuleSet** q = rhs.ruleSets; + if (p == NULL) { + return q == NULL; + } else if (q == NULL) { + return FALSE; + } + while (*p && *q && (**p == **q)) { + ++p; + ++q; + } + return *q == NULL && *p == NULL; + } + } + + return FALSE; +} + +UnicodeString +RuleBasedNumberFormat::getRules() const +{ + UnicodeString result; + if (ruleSets != NULL) { + for (NFRuleSet** p = ruleSets; *p; ++p) { + (*p)->appendRules(result); + } + } + return result; +} + +UnicodeString +RuleBasedNumberFormat::getRuleSetName(int32_t index) const +{ + if (localizations) { + UnicodeString string(TRUE, localizations->getRuleSetName(index), (int32_t)-1); + return string; + } else if (ruleSets) { + UnicodeString result; + for (NFRuleSet** p = ruleSets; *p; ++p) { + NFRuleSet* rs = *p; + if (rs->isPublic()) { + if (--index == -1) { + rs->getName(result); + return result; + } + } + } + } + UnicodeString empty; + return empty; +} + +int32_t +RuleBasedNumberFormat::getNumberOfRuleSetNames() const +{ + int32_t result = 0; + if (localizations) { + result = localizations->getNumberOfRuleSets(); + } else if (ruleSets) { + for (NFRuleSet** p = ruleSets; *p; ++p) { + if ((**p).isPublic()) { + ++result; + } + } + } + return result; +} + +int32_t +RuleBasedNumberFormat::getNumberOfRuleSetDisplayNameLocales(void) const { + if (localizations) { + return localizations->getNumberOfDisplayLocales(); + } + return 0; +} + +Locale +RuleBasedNumberFormat::getRuleSetDisplayNameLocale(int32_t index, UErrorCode& status) const { + if (U_FAILURE(status)) { + return Locale(""); + } + if (localizations && index >= 0 && index < localizations->getNumberOfDisplayLocales()) { + UnicodeString name(TRUE, localizations->getLocaleName(index), -1); + char buffer[64]; + int32_t cap = name.length() + 1; + char* bp = buffer; + if (cap > 64) { + bp = (char *)uprv_malloc(cap); + if (bp == NULL) { + status = U_MEMORY_ALLOCATION_ERROR; + return Locale(""); + } + } + name.extract(0, name.length(), bp, cap, UnicodeString::kInvariant); + Locale retLocale(bp); + if (bp != buffer) { + uprv_free(bp); + } + return retLocale; + } + status = U_ILLEGAL_ARGUMENT_ERROR; + Locale retLocale; + return retLocale; +} + +UnicodeString +RuleBasedNumberFormat::getRuleSetDisplayName(int32_t index, const Locale& localeParam) { + if (localizations && index >= 0 && index < localizations->getNumberOfRuleSets()) { + UnicodeString localeName(localeParam.getBaseName(), -1, UnicodeString::kInvariant); + int32_t len = localeName.length(); + UChar* localeStr = localeName.getBuffer(len + 1); + while (len >= 0) { + localeStr[len] = 0; + int32_t ix = localizations->indexForLocale(localeStr); + if (ix >= 0) { + UnicodeString name(TRUE, localizations->getDisplayName(ix, index), -1); + return name; + } + + // trim trailing portion, skipping over ommitted sections + do { --len;} while (len > 0 && localeStr[len] != 0x005f); // underscore + while (len > 0 && localeStr[len-1] == 0x005F) --len; + } + UnicodeString name(TRUE, localizations->getRuleSetName(index), -1); + return name; + } + UnicodeString bogus; + bogus.setToBogus(); + return bogus; +} + +UnicodeString +RuleBasedNumberFormat::getRuleSetDisplayName(const UnicodeString& ruleSetName, const Locale& localeParam) { + if (localizations) { + UnicodeString rsn(ruleSetName); + int32_t ix = localizations->indexForRuleSet(rsn.getTerminatedBuffer()); + return getRuleSetDisplayName(ix, localeParam); + } + UnicodeString bogus; + bogus.setToBogus(); + return bogus; +} + +NFRuleSet* +RuleBasedNumberFormat::findRuleSet(const UnicodeString& name, UErrorCode& status) const +{ + if (U_SUCCESS(status) && ruleSets) { + for (NFRuleSet** p = ruleSets; *p; ++p) { + NFRuleSet* rs = *p; + if (rs->isNamed(name)) { + return rs; + } + } + status = U_ILLEGAL_ARGUMENT_ERROR; + } + return NULL; +} + +UnicodeString& +RuleBasedNumberFormat::format(int32_t number, + UnicodeString& toAppendTo, + FieldPosition& /* pos */) const +{ + if (defaultRuleSet) defaultRuleSet->format((int64_t)number, toAppendTo, toAppendTo.length()); + return toAppendTo; +} + + +UnicodeString& +RuleBasedNumberFormat::format(int64_t number, + UnicodeString& toAppendTo, + FieldPosition& /* pos */) const +{ + if (defaultRuleSet) defaultRuleSet->format(number, toAppendTo, toAppendTo.length()); + return toAppendTo; +} + + +UnicodeString& +RuleBasedNumberFormat::format(double number, + UnicodeString& toAppendTo, + FieldPosition& /* pos */) const +{ + if (defaultRuleSet) defaultRuleSet->format(number, toAppendTo, toAppendTo.length()); + return toAppendTo; +} + + +UnicodeString& +RuleBasedNumberFormat::format(int32_t number, + const UnicodeString& ruleSetName, + UnicodeString& toAppendTo, + FieldPosition& /* pos */, + UErrorCode& status) const +{ + // return format((int64_t)number, ruleSetName, toAppendTo, pos, status); + if (U_SUCCESS(status)) { + if (ruleSetName.indexOf(gPercentPercent) == 0) { + // throw new IllegalArgumentException("Can't use internal rule set"); + status = U_ILLEGAL_ARGUMENT_ERROR; + } else { + NFRuleSet *rs = findRuleSet(ruleSetName, status); + if (rs) { + rs->format((int64_t)number, toAppendTo, toAppendTo.length()); + } + } + } + return toAppendTo; +} + + +UnicodeString& +RuleBasedNumberFormat::format(int64_t number, + const UnicodeString& ruleSetName, + UnicodeString& toAppendTo, + FieldPosition& /* pos */, + UErrorCode& status) const +{ + if (U_SUCCESS(status)) { + if (ruleSetName.indexOf(gPercentPercent) == 0) { + // throw new IllegalArgumentException("Can't use internal rule set"); + status = U_ILLEGAL_ARGUMENT_ERROR; + } else { + NFRuleSet *rs = findRuleSet(ruleSetName, status); + if (rs) { + rs->format(number, toAppendTo, toAppendTo.length()); + } + } + } + return toAppendTo; +} + + +// make linker happy +UnicodeString& +RuleBasedNumberFormat::format(const Formattable& obj, + UnicodeString& toAppendTo, + FieldPosition& pos, + UErrorCode& status) const +{ + return NumberFormat::format(obj, toAppendTo, pos, status); +} + +UnicodeString& +RuleBasedNumberFormat::format(double number, + const UnicodeString& ruleSetName, + UnicodeString& toAppendTo, + FieldPosition& /* pos */, + UErrorCode& status) const +{ + if (U_SUCCESS(status)) { + if (ruleSetName.indexOf(gPercentPercent) == 0) { + // throw new IllegalArgumentException("Can't use internal rule set"); + status = U_ILLEGAL_ARGUMENT_ERROR; + } else { + NFRuleSet *rs = findRuleSet(ruleSetName, status); + if (rs) { + rs->format(number, toAppendTo, toAppendTo.length()); + } + } + } + return toAppendTo; +} + +void +RuleBasedNumberFormat::parse(const UnicodeString& text, + Formattable& result, + ParsePosition& parsePosition) const +{ + if (!ruleSets) { + parsePosition.setErrorIndex(0); + return; + } + + UnicodeString workingText(text, parsePosition.getIndex()); + ParsePosition workingPos(0); + + ParsePosition high_pp(0); + Formattable high_result; + + for (NFRuleSet** p = ruleSets; *p; ++p) { + NFRuleSet *rp = *p; + if (rp->isPublic()) { + ParsePosition working_pp(0); + Formattable working_result; + + rp->parse(workingText, working_pp, kMaxDouble, working_result); + if (working_pp.getIndex() > high_pp.getIndex()) { + high_pp = working_pp; + high_result = working_result; + + if (high_pp.getIndex() == workingText.length()) { + break; + } + } + } + } + + parsePosition.setIndex(parsePosition.getIndex() + high_pp.getIndex()); + if (high_pp.getIndex() > 0) { + parsePosition.setErrorIndex(-1); + } + result = high_result; + if (result.getType() == Formattable::kDouble) { + int32_t r = (int32_t)result.getDouble(); + if ((double)r == result.getDouble()) { + result.setLong(r); + } + } +} + +#if !UCONFIG_NO_COLLATION + +void +RuleBasedNumberFormat::setLenient(UBool enabled) +{ + lenient = enabled; + if (!enabled && collator) { + delete collator; + collator = NULL; + } +} + +#endif + +void +RuleBasedNumberFormat::setDefaultRuleSet(const UnicodeString& ruleSetName, UErrorCode& status) { + if (U_SUCCESS(status)) { + if (ruleSetName.isEmpty()) { + if (localizations) { + UnicodeString name(TRUE, localizations->getRuleSetName(0), -1); + defaultRuleSet = findRuleSet(name, status); + } else { + initDefaultRuleSet(); + } + } else if (ruleSetName.startsWith(UNICODE_STRING_SIMPLE("%%"))) { + status = U_ILLEGAL_ARGUMENT_ERROR; + } else { + NFRuleSet* result = findRuleSet(ruleSetName, status); + if (result != NULL) { + defaultRuleSet = result; + } + } + } +} + +UnicodeString +RuleBasedNumberFormat::getDefaultRuleSetName() const { + UnicodeString result; + if (defaultRuleSet && defaultRuleSet->isPublic()) { + defaultRuleSet->getName(result); + } else { + result.setToBogus(); + } + return result; +} + +void +RuleBasedNumberFormat::initDefaultRuleSet() +{ + defaultRuleSet = NULL; + if (!ruleSets) { + return; + } + + NFRuleSet**p = &ruleSets[0]; + while (*p) { + ++p; + } + + defaultRuleSet = *--p; + if (!defaultRuleSet->isPublic()) { + while (p != ruleSets) { + if ((*--p)->isPublic()) { + defaultRuleSet = *p; + break; + } + } + } +} + + +void +RuleBasedNumberFormat::init(const UnicodeString& rules, LocalizationInfo* localizationInfos, + UParseError& /* pErr */, UErrorCode& status) +{ + // TODO: implement UParseError + // Note: this can leave ruleSets == NULL, so remaining code should check + if (U_FAILURE(status)) { + return; + } + + this->localizations = localizationInfos == NULL ? NULL : localizationInfos->ref(); + + UnicodeString description(rules); + if (!description.length()) { + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + + // start by stripping the trailing whitespace from all the rules + // (this is all the whitespace follwing each semicolon in the + // description). This allows us to look for rule-set boundaries + // by searching for ";%" without having to worry about whitespace + // between the ; and the % + stripWhitespace(description); + + // check to see if there's a set of lenient-parse rules. If there + // is, pull them out into our temporary holding place for them, + // and delete them from the description before the real desciption- + // parsing code sees them + int32_t lp = description.indexOf(gLenientParse); + if (lp != -1) { + // we've got to make sure we're not in the middle of a rule + // (where "%%lenient-parse" would actually get treated as + // rule text) + if (lp == 0 || description.charAt(lp - 1) == gSemiColon) { + // locate the beginning and end of the actual collation + // rules (there may be whitespace between the name and + // the first token in the description) + int lpEnd = description.indexOf(gSemiPercent, lp); + + if (lpEnd == -1) { + lpEnd = description.length() - 1; + } + int lpStart = lp + u_strlen(gLenientParse); + while (uprv_isRuleWhiteSpace(description.charAt(lpStart))) { + ++lpStart; + } + + // copy out the lenient-parse rules and delete them + // from the description + lenientParseRules = new UnicodeString(); + /* test for NULL */ + if (lenientParseRules == 0) { + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + lenientParseRules->setTo(description, lpStart, lpEnd - lpStart); + + description.remove(lp, lpEnd + 1 - lp); + } + } + + // pre-flight parsing the description and count the number of + // rule sets (";%" marks the end of one rule set and the beginning + // of the next) + int numRuleSets = 0; + for (int32_t p = description.indexOf(gSemiPercent); p != -1; p = description.indexOf(gSemiPercent, p)) { + ++numRuleSets; + ++p; + } + ++numRuleSets; + + // our rule list is an array of the appropriate size + ruleSets = (NFRuleSet **)uprv_malloc((numRuleSets + 1) * sizeof(NFRuleSet *)); + /* test for NULL */ + if (ruleSets == 0) { + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + + for (int i = 0; i <= numRuleSets; ++i) { + ruleSets[i] = NULL; + } + + // divide up the descriptions into individual rule-set descriptions + // and store them in a temporary array. At each step, we also + // new up a rule set, but all this does is initialize its name + // and remove it from its description. We can't actually parse + // the rest of the descriptions and finish initializing everything + // because we have to know the names and locations of all the rule + // sets before we can actually set everything up + if(!numRuleSets) { + status = U_ILLEGAL_ARGUMENT_ERROR; + return; + } + UnicodeString* ruleSetDescriptions = new UnicodeString[numRuleSets]; + /* test for NULL */ + if (ruleSetDescriptions == 0) { + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + + { + int curRuleSet = 0; + int32_t start = 0; + for (int32_t p = description.indexOf(gSemiPercent); p != -1; p = description.indexOf(gSemiPercent, start)) { + ruleSetDescriptions[curRuleSet].setTo(description, start, p + 1 - start); + ruleSets[curRuleSet] = new NFRuleSet(ruleSetDescriptions, curRuleSet, status); + /* test for NULL */ + if (ruleSets[curRuleSet] == 0) { + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + ++curRuleSet; + start = p + 1; + } + ruleSetDescriptions[curRuleSet].setTo(description, start, description.length() - start); + ruleSets[curRuleSet] = new NFRuleSet(ruleSetDescriptions, curRuleSet, status); + /* test for NULL */ + if (ruleSets[curRuleSet] == 0) { + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + } + + // now we can take note of the formatter's default rule set, which + // is the last public rule set in the description (it's the last + // rather than the first so that a user can create a new formatter + // from an existing formatter and change its default behavior just + // by appending more rule sets to the end) + + // {dlf} Initialization of a fraction rule set requires the default rule + // set to be known. For purposes of initialization, this is always the + // last public rule set, no matter what the localization data says. + initDefaultRuleSet(); + + // finally, we can go back through the temporary descriptions + // list and finish seting up the substructure (and we throw + // away the temporary descriptions as we go) + { + for (int i = 0; i < numRuleSets; i++) { + ruleSets[i]->parseRules(ruleSetDescriptions[i], this, status); + } + } + + delete[] ruleSetDescriptions; + + // Now that the rules are initialized, the 'real' default rule + // set can be adjusted by the localization data. + + // The C code keeps the localization array as is, rather than building + // a separate array of the public rule set names, so we have less work + // to do here-- but we still need to check the names. + + if (localizationInfos) { + // confirm the names, if any aren't in the rules, that's an error + // it is ok if the rules contain public rule sets that are not in this list + for (int32_t i = 0; i < localizationInfos->getNumberOfRuleSets(); ++i) { + UnicodeString name(TRUE, localizationInfos->getRuleSetName(i), -1); + NFRuleSet* rs = findRuleSet(name, status); + if (rs == NULL) { + break; // error + } + if (i == 0) { + defaultRuleSet = rs; + } + } + } else { + defaultRuleSet = getDefaultRuleSet(); + } +} + +void +RuleBasedNumberFormat::stripWhitespace(UnicodeString& description) +{ + // iterate through the characters... + UnicodeString result; + + int start = 0; + while (start != -1 && start < description.length()) { + // seek to the first non-whitespace character... + while (start < description.length() + && uprv_isRuleWhiteSpace(description.charAt(start))) { + ++start; + } + + // locate the next semicolon in the text and copy the text from + // our current position up to that semicolon into the result + int32_t p = description.indexOf(gSemiColon, start); + if (p == -1) { + // or if we don't find a semicolon, just copy the rest of + // the string into the result + result.append(description, start, description.length() - start); + start = -1; + } + else if (p < description.length()) { + result.append(description, start, p + 1 - start); + start = p + 1; + } + + // when we get here, we've seeked off the end of the sring, and + // we terminate the loop (we continue until *start* is -1 rather + // than until *p* is -1, because otherwise we'd miss the last + // rule in the description) + else { + start = -1; + } + } + + description.setTo(result); +} + + +void +RuleBasedNumberFormat::dispose() +{ + if (ruleSets) { + for (NFRuleSet** p = ruleSets; *p; ++p) { + delete *p; + } + uprv_free(ruleSets); + ruleSets = NULL; + } + +#if !UCONFIG_NO_COLLATION + delete collator; +#endif + collator = NULL; + + delete decimalFormatSymbols; + decimalFormatSymbols = NULL; + + delete lenientParseRules; + lenientParseRules = NULL; + + if (localizations) localizations = localizations->unref(); +} + + +//----------------------------------------------------------------------- +// package-internal API +//----------------------------------------------------------------------- + +/** + * Returns the collator to use for lenient parsing. The collator is lazily created: + * this function creates it the first time it's called. + * @return The collator to use for lenient parsing, or null if lenient parsing + * is turned off. +*/ +Collator* +RuleBasedNumberFormat::getCollator() const +{ +#if !UCONFIG_NO_COLLATION + if (!ruleSets) { + return NULL; + } + + // lazy-evaulate the collator + if (collator == NULL && lenient) { + // create a default collator based on the formatter's locale, + // then pull out that collator's rules, append any additional + // rules specified in the description, and create a _new_ + // collator based on the combinaiton of those rules + + UErrorCode status = U_ZERO_ERROR; + + Collator* temp = Collator::createInstance(locale, status); + if (U_SUCCESS(status) && + temp->getDynamicClassID() == RuleBasedCollator::getStaticClassID()) { + + RuleBasedCollator* newCollator = (RuleBasedCollator*)temp; + if (lenientParseRules) { + UnicodeString rules(newCollator->getRules()); + rules.append(*lenientParseRules); + + newCollator = new RuleBasedCollator(rules, status); + } else { + temp = NULL; + } + if (U_SUCCESS(status)) { + newCollator->setAttribute(UCOL_DECOMPOSITION_MODE, UCOL_ON, status); + // cast away const + ((RuleBasedNumberFormat*)this)->collator = newCollator; + } else { + delete newCollator; + } + } + delete temp; + } +#endif + + // if lenient-parse mode is off, this will be null + // (see setLenientParseMode()) + return collator; +} + + +/** + * Returns the DecimalFormatSymbols object that should be used by all DecimalFormat + * instances owned by this formatter. This object is lazily created: this function + * creates it the first time it's called. + * @return The DecimalFormatSymbols object that should be used by all DecimalFormat + * instances owned by this formatter. +*/ +DecimalFormatSymbols* +RuleBasedNumberFormat::getDecimalFormatSymbols() const +{ + // lazy-evaluate the DecimalFormatSymbols object. This object + // is shared by all DecimalFormat instances belonging to this + // formatter + if (decimalFormatSymbols == NULL) { + UErrorCode status = U_ZERO_ERROR; + DecimalFormatSymbols* temp = new DecimalFormatSymbols(locale, status); + if (U_SUCCESS(status)) { + ((RuleBasedNumberFormat*)this)->decimalFormatSymbols = temp; + } else { + delete temp; + } + } + return decimalFormatSymbols; +} + +U_NAMESPACE_END + +/* U_HAVE_RBNF */ +#endif |