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author | neksard <neksard@yandex-team.ru> | 2022-02-10 16:45:33 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:33 +0300 |
commit | 1d9c550e7c38e051d7961f576013a482003a70d9 (patch) | |
tree | b2cc84ee7850122e7ccf51d0ea21e4fa7e7a5685 /contrib/libs/icu/common/loclikely.cpp | |
parent | 8f7cf138264e0caa318144bf8a2c950e0b0a8593 (diff) | |
download | ydb-1d9c550e7c38e051d7961f576013a482003a70d9.tar.gz |
Restoring authorship annotation for <neksard@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/icu/common/loclikely.cpp')
-rw-r--r-- | contrib/libs/icu/common/loclikely.cpp | 2034 |
1 files changed, 1017 insertions, 1017 deletions
diff --git a/contrib/libs/icu/common/loclikely.cpp b/contrib/libs/icu/common/loclikely.cpp index efa7445b75..a4a4181cb1 100644 --- a/contrib/libs/icu/common/loclikely.cpp +++ b/contrib/libs/icu/common/loclikely.cpp @@ -1,40 +1,40 @@ // © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -/* -******************************************************************************* -* -* Copyright (C) 1997-2016, International Business Machines -* Corporation and others. All Rights Reserved. -* -******************************************************************************* -* file name: loclikely.cpp +// License & terms of use: http://www.unicode.org/copyright.html +/* +******************************************************************************* +* +* Copyright (C) 1997-2016, International Business Machines +* Corporation and others. All Rights Reserved. +* +******************************************************************************* +* file name: loclikely.cpp * encoding: UTF-8 -* tab size: 8 (not used) -* indentation:4 -* -* created on: 2010feb25 -* created by: Markus W. Scherer -* -* Code for likely and minimized locale subtags, separated out from other .cpp files -* that then do not depend on resource bundle code and likely-subtags data. -*/ - +* tab size: 8 (not used) +* indentation:4 +* +* created on: 2010feb25 +* created by: Markus W. Scherer +* +* Code for likely and minimized locale subtags, separated out from other .cpp files +* that then do not depend on resource bundle code and likely-subtags data. +*/ + #include "unicode/bytestream.h" -#include "unicode/utypes.h" -#include "unicode/locid.h" -#include "unicode/putil.h" +#include "unicode/utypes.h" +#include "unicode/locid.h" +#include "unicode/putil.h" #include "unicode/uchar.h" -#include "unicode/uloc.h" -#include "unicode/ures.h" -#include "unicode/uscript.h" +#include "unicode/uloc.h" +#include "unicode/ures.h" +#include "unicode/uscript.h" #include "bytesinkutil.h" #include "charstr.h" -#include "cmemory.h" -#include "cstring.h" -#include "ulocimp.h" -#include "ustr_imp.h" - -/** +#include "cmemory.h" +#include "cstring.h" +#include "ulocimp.h" +#include "ustr_imp.h" + +/** * These are the canonical strings for unknown languages, scripts and regions. **/ static const char* const unknownLanguage = "und"; @@ -42,26 +42,26 @@ static const char* const unknownScript = "Zzzz"; static const char* const unknownRegion = "ZZ"; /** - * This function looks for the localeID in the likelySubtags resource. - * - * @param localeID The tag to find. - * @param buffer A buffer to hold the matching entry - * @param bufferLength The length of the output buffer - * @return A pointer to "buffer" if found, or a null pointer if not. - */ -static const char* U_CALLCONV -findLikelySubtags(const char* localeID, - char* buffer, - int32_t bufferLength, - UErrorCode* err) { - const char* result = NULL; - - if (!U_FAILURE(*err)) { - int32_t resLen = 0; - const UChar* s = NULL; - UErrorCode tmpErr = U_ZERO_ERROR; + * This function looks for the localeID in the likelySubtags resource. + * + * @param localeID The tag to find. + * @param buffer A buffer to hold the matching entry + * @param bufferLength The length of the output buffer + * @return A pointer to "buffer" if found, or a null pointer if not. + */ +static const char* U_CALLCONV +findLikelySubtags(const char* localeID, + char* buffer, + int32_t bufferLength, + UErrorCode* err) { + const char* result = NULL; + + if (!U_FAILURE(*err)) { + int32_t resLen = 0; + const UChar* s = NULL; + UErrorCode tmpErr = U_ZERO_ERROR; icu::LocalUResourceBundlePointer subtags(ures_openDirect(NULL, "likelySubtags", &tmpErr)); - if (U_SUCCESS(tmpErr)) { + if (U_SUCCESS(tmpErr)) { icu::CharString und; if (localeID != NULL) { if (*localeID == '\0') { @@ -76,510 +76,510 @@ findLikelySubtags(const char* localeID, } } s = ures_getStringByKey(subtags.getAlias(), localeID, &resLen, &tmpErr); - - if (U_FAILURE(tmpErr)) { - /* - * If a resource is missing, it's not really an error, it's - * just that we don't have any data for that particular locale ID. - */ - if (tmpErr != U_MISSING_RESOURCE_ERROR) { - *err = tmpErr; - } - } - else if (resLen >= bufferLength) { - /* The buffer should never overflow. */ - *err = U_INTERNAL_PROGRAM_ERROR; - } - else { - u_UCharsToChars(s, buffer, resLen + 1); + + if (U_FAILURE(tmpErr)) { + /* + * If a resource is missing, it's not really an error, it's + * just that we don't have any data for that particular locale ID. + */ + if (tmpErr != U_MISSING_RESOURCE_ERROR) { + *err = tmpErr; + } + } + else if (resLen >= bufferLength) { + /* The buffer should never overflow. */ + *err = U_INTERNAL_PROGRAM_ERROR; + } + else { + u_UCharsToChars(s, buffer, resLen + 1); if (resLen >= 3 && uprv_strnicmp(buffer, unknownLanguage, 3) == 0 && (resLen == 3 || buffer[3] == '_')) { uprv_memmove(buffer, buffer + 3, resLen - 3 + 1); } - result = buffer; - } - } else { - *err = tmpErr; - } - } - - return result; -} - -/** - * Append a tag to a buffer, adding the separator if necessary. The buffer - * must be large enough to contain the resulting tag plus any separator - * necessary. The tag must not be a zero-length string. - * - * @param tag The tag to add. - * @param tagLength The length of the tag. - * @param buffer The output buffer. - * @param bufferLength The length of the output buffer. This is an input/ouput parameter. - **/ -static void U_CALLCONV -appendTag( - const char* tag, - int32_t tagLength, - char* buffer, + result = buffer; + } + } else { + *err = tmpErr; + } + } + + return result; +} + +/** + * Append a tag to a buffer, adding the separator if necessary. The buffer + * must be large enough to contain the resulting tag plus any separator + * necessary. The tag must not be a zero-length string. + * + * @param tag The tag to add. + * @param tagLength The length of the tag. + * @param buffer The output buffer. + * @param bufferLength The length of the output buffer. This is an input/ouput parameter. + **/ +static void U_CALLCONV +appendTag( + const char* tag, + int32_t tagLength, + char* buffer, int32_t* bufferLength, UBool withSeparator) { - + if (withSeparator) { - buffer[*bufferLength] = '_'; - ++(*bufferLength); - } - - uprv_memmove( - &buffer[*bufferLength], - tag, - tagLength); - - *bufferLength += tagLength; -} - -/** - * Create a tag string from the supplied parameters. The lang, script and region - * parameters may be NULL pointers. If they are, their corresponding length parameters - * must be less than or equal to 0. - * - * If any of the language, script or region parameters are empty, and the alternateTags - * parameter is not NULL, it will be parsed for potential language, script and region tags - * to be used when constructing the new tag. If the alternateTags parameter is NULL, or - * it contains no language tag, the default tag for the unknown language is used. - * - * If the length of the new string exceeds the capacity of the output buffer, - * the function copies as many bytes to the output buffer as it can, and returns - * the error U_BUFFER_OVERFLOW_ERROR. - * - * If an illegal argument is provided, the function returns the error - * U_ILLEGAL_ARGUMENT_ERROR. - * - * Note that this function can return the warning U_STRING_NOT_TERMINATED_WARNING if - * the tag string fits in the output buffer, but the null terminator doesn't. - * - * @param lang The language tag to use. - * @param langLength The length of the language tag. - * @param script The script tag to use. - * @param scriptLength The length of the script tag. - * @param region The region tag to use. - * @param regionLength The length of the region tag. - * @param trailing Any trailing data to append to the new tag. - * @param trailingLength The length of the trailing data. - * @param alternateTags A string containing any alternate tags. + buffer[*bufferLength] = '_'; + ++(*bufferLength); + } + + uprv_memmove( + &buffer[*bufferLength], + tag, + tagLength); + + *bufferLength += tagLength; +} + +/** + * Create a tag string from the supplied parameters. The lang, script and region + * parameters may be NULL pointers. If they are, their corresponding length parameters + * must be less than or equal to 0. + * + * If any of the language, script or region parameters are empty, and the alternateTags + * parameter is not NULL, it will be parsed for potential language, script and region tags + * to be used when constructing the new tag. If the alternateTags parameter is NULL, or + * it contains no language tag, the default tag for the unknown language is used. + * + * If the length of the new string exceeds the capacity of the output buffer, + * the function copies as many bytes to the output buffer as it can, and returns + * the error U_BUFFER_OVERFLOW_ERROR. + * + * If an illegal argument is provided, the function returns the error + * U_ILLEGAL_ARGUMENT_ERROR. + * + * Note that this function can return the warning U_STRING_NOT_TERMINATED_WARNING if + * the tag string fits in the output buffer, but the null terminator doesn't. + * + * @param lang The language tag to use. + * @param langLength The length of the language tag. + * @param script The script tag to use. + * @param scriptLength The length of the script tag. + * @param region The region tag to use. + * @param regionLength The length of the region tag. + * @param trailing Any trailing data to append to the new tag. + * @param trailingLength The length of the trailing data. + * @param alternateTags A string containing any alternate tags. * @param sink The output sink receiving the tag string. - * @param err A pointer to a UErrorCode for error reporting. - **/ + * @param err A pointer to a UErrorCode for error reporting. + **/ static void U_CALLCONV -createTagStringWithAlternates( - const char* lang, - int32_t langLength, - const char* script, - int32_t scriptLength, - const char* region, - int32_t regionLength, - const char* trailing, - int32_t trailingLength, - const char* alternateTags, +createTagStringWithAlternates( + const char* lang, + int32_t langLength, + const char* script, + int32_t scriptLength, + const char* region, + int32_t regionLength, + const char* trailing, + int32_t trailingLength, + const char* alternateTags, icu::ByteSink& sink, - UErrorCode* err) { - - if (U_FAILURE(*err)) { - goto error; - } + UErrorCode* err) { + + if (U_FAILURE(*err)) { + goto error; + } else if (langLength >= ULOC_LANG_CAPACITY || - scriptLength >= ULOC_SCRIPT_CAPACITY || - regionLength >= ULOC_COUNTRY_CAPACITY) { - goto error; - } - else { - /** - * ULOC_FULLNAME_CAPACITY will provide enough capacity - * that we can build a string that contains the language, - * script and region code without worrying about overrunning - * the user-supplied buffer. - **/ - char tagBuffer[ULOC_FULLNAME_CAPACITY]; - int32_t tagLength = 0; - UBool regionAppended = FALSE; - - if (langLength > 0) { - appendTag( - lang, - langLength, - tagBuffer, + scriptLength >= ULOC_SCRIPT_CAPACITY || + regionLength >= ULOC_COUNTRY_CAPACITY) { + goto error; + } + else { + /** + * ULOC_FULLNAME_CAPACITY will provide enough capacity + * that we can build a string that contains the language, + * script and region code without worrying about overrunning + * the user-supplied buffer. + **/ + char tagBuffer[ULOC_FULLNAME_CAPACITY]; + int32_t tagLength = 0; + UBool regionAppended = FALSE; + + if (langLength > 0) { + appendTag( + lang, + langLength, + tagBuffer, &tagLength, /*withSeparator=*/FALSE); - } - else if (alternateTags == NULL) { - /* + } + else if (alternateTags == NULL) { + /* * Use the empty string for an unknown language, if - * we found no language. - */ - } - else { - /* - * Parse the alternateTags string for the language. - */ - char alternateLang[ULOC_LANG_CAPACITY]; - int32_t alternateLangLength = sizeof(alternateLang); - - alternateLangLength = - uloc_getLanguage( - alternateTags, - alternateLang, - alternateLangLength, - err); - if(U_FAILURE(*err) || - alternateLangLength >= ULOC_LANG_CAPACITY) { - goto error; - } - else if (alternateLangLength == 0) { - /* + * we found no language. + */ + } + else { + /* + * Parse the alternateTags string for the language. + */ + char alternateLang[ULOC_LANG_CAPACITY]; + int32_t alternateLangLength = sizeof(alternateLang); + + alternateLangLength = + uloc_getLanguage( + alternateTags, + alternateLang, + alternateLangLength, + err); + if(U_FAILURE(*err) || + alternateLangLength >= ULOC_LANG_CAPACITY) { + goto error; + } + else if (alternateLangLength == 0) { + /* * Use the empty string for an unknown language, if - * we found no language. - */ - } - else { - appendTag( - alternateLang, - alternateLangLength, - tagBuffer, + * we found no language. + */ + } + else { + appendTag( + alternateLang, + alternateLangLength, + tagBuffer, &tagLength, /*withSeparator=*/FALSE); - } - } - - if (scriptLength > 0) { - appendTag( - script, - scriptLength, - tagBuffer, + } + } + + if (scriptLength > 0) { + appendTag( + script, + scriptLength, + tagBuffer, &tagLength, /*withSeparator=*/TRUE); - } - else if (alternateTags != NULL) { - /* - * Parse the alternateTags string for the script. - */ - char alternateScript[ULOC_SCRIPT_CAPACITY]; - - const int32_t alternateScriptLength = - uloc_getScript( - alternateTags, - alternateScript, - sizeof(alternateScript), - err); - - if (U_FAILURE(*err) || - alternateScriptLength >= ULOC_SCRIPT_CAPACITY) { - goto error; - } - else if (alternateScriptLength > 0) { - appendTag( - alternateScript, - alternateScriptLength, - tagBuffer, + } + else if (alternateTags != NULL) { + /* + * Parse the alternateTags string for the script. + */ + char alternateScript[ULOC_SCRIPT_CAPACITY]; + + const int32_t alternateScriptLength = + uloc_getScript( + alternateTags, + alternateScript, + sizeof(alternateScript), + err); + + if (U_FAILURE(*err) || + alternateScriptLength >= ULOC_SCRIPT_CAPACITY) { + goto error; + } + else if (alternateScriptLength > 0) { + appendTag( + alternateScript, + alternateScriptLength, + tagBuffer, &tagLength, /*withSeparator=*/TRUE); - } - } - - if (regionLength > 0) { - appendTag( - region, - regionLength, - tagBuffer, + } + } + + if (regionLength > 0) { + appendTag( + region, + regionLength, + tagBuffer, &tagLength, /*withSeparator=*/TRUE); - - regionAppended = TRUE; - } - else if (alternateTags != NULL) { - /* - * Parse the alternateTags string for the region. - */ - char alternateRegion[ULOC_COUNTRY_CAPACITY]; - - const int32_t alternateRegionLength = - uloc_getCountry( - alternateTags, - alternateRegion, - sizeof(alternateRegion), - err); - if (U_FAILURE(*err) || - alternateRegionLength >= ULOC_COUNTRY_CAPACITY) { - goto error; - } - else if (alternateRegionLength > 0) { - appendTag( - alternateRegion, - alternateRegionLength, - tagBuffer, + + regionAppended = TRUE; + } + else if (alternateTags != NULL) { + /* + * Parse the alternateTags string for the region. + */ + char alternateRegion[ULOC_COUNTRY_CAPACITY]; + + const int32_t alternateRegionLength = + uloc_getCountry( + alternateTags, + alternateRegion, + sizeof(alternateRegion), + err); + if (U_FAILURE(*err) || + alternateRegionLength >= ULOC_COUNTRY_CAPACITY) { + goto error; + } + else if (alternateRegionLength > 0) { + appendTag( + alternateRegion, + alternateRegionLength, + tagBuffer, &tagLength, /*withSeparator=*/TRUE); - - regionAppended = TRUE; - } - } - + + regionAppended = TRUE; + } + } + /** * Copy the partial tag from our internal buffer to the supplied * target. **/ sink.Append(tagBuffer, tagLength); - - if (trailingLength > 0) { + + if (trailingLength > 0) { if (*trailing != '@') { sink.Append("_", 1); if (!regionAppended) { - /* extra separator is required */ + /* extra separator is required */ sink.Append("_", 1); - } - } - + } + } + /* * Copy the trailing data into the supplied buffer. */ sink.Append(trailing, trailingLength); - } - + } + return; - } - -error: - - /** - * An overflow indicates the locale ID passed in - * is ill-formed. If we got here, and there was - * no previous error, it's an implicit overflow. - **/ - if (*err == U_BUFFER_OVERFLOW_ERROR || - U_SUCCESS(*err)) { - *err = U_ILLEGAL_ARGUMENT_ERROR; - } -} - -/** - * Create a tag string from the supplied parameters. The lang, script and region - * parameters may be NULL pointers. If they are, their corresponding length parameters - * must be less than or equal to 0. If the lang parameter is an empty string, the - * default value for an unknown language is written to the output buffer. - * - * If the length of the new string exceeds the capacity of the output buffer, - * the function copies as many bytes to the output buffer as it can, and returns - * the error U_BUFFER_OVERFLOW_ERROR. - * - * If an illegal argument is provided, the function returns the error - * U_ILLEGAL_ARGUMENT_ERROR. - * - * @param lang The language tag to use. - * @param langLength The length of the language tag. - * @param script The script tag to use. - * @param scriptLength The length of the script tag. - * @param region The region tag to use. - * @param regionLength The length of the region tag. - * @param trailing Any trailing data to append to the new tag. - * @param trailingLength The length of the trailing data. + } + +error: + + /** + * An overflow indicates the locale ID passed in + * is ill-formed. If we got here, and there was + * no previous error, it's an implicit overflow. + **/ + if (*err == U_BUFFER_OVERFLOW_ERROR || + U_SUCCESS(*err)) { + *err = U_ILLEGAL_ARGUMENT_ERROR; + } +} + +/** + * Create a tag string from the supplied parameters. The lang, script and region + * parameters may be NULL pointers. If they are, their corresponding length parameters + * must be less than or equal to 0. If the lang parameter is an empty string, the + * default value for an unknown language is written to the output buffer. + * + * If the length of the new string exceeds the capacity of the output buffer, + * the function copies as many bytes to the output buffer as it can, and returns + * the error U_BUFFER_OVERFLOW_ERROR. + * + * If an illegal argument is provided, the function returns the error + * U_ILLEGAL_ARGUMENT_ERROR. + * + * @param lang The language tag to use. + * @param langLength The length of the language tag. + * @param script The script tag to use. + * @param scriptLength The length of the script tag. + * @param region The region tag to use. + * @param regionLength The length of the region tag. + * @param trailing Any trailing data to append to the new tag. + * @param trailingLength The length of the trailing data. * @param sink The output sink receiving the tag string. - * @param err A pointer to a UErrorCode for error reporting. - **/ + * @param err A pointer to a UErrorCode for error reporting. + **/ static void U_CALLCONV -createTagString( - const char* lang, - int32_t langLength, - const char* script, - int32_t scriptLength, - const char* region, - int32_t regionLength, - const char* trailing, - int32_t trailingLength, +createTagString( + const char* lang, + int32_t langLength, + const char* script, + int32_t scriptLength, + const char* region, + int32_t regionLength, + const char* trailing, + int32_t trailingLength, icu::ByteSink& sink, - UErrorCode* err) -{ + UErrorCode* err) +{ createTagStringWithAlternates( - lang, - langLength, - script, - scriptLength, - region, - regionLength, - trailing, - trailingLength, - NULL, + lang, + langLength, + script, + scriptLength, + region, + regionLength, + trailing, + trailingLength, + NULL, sink, - err); -} - -/** - * Parse the language, script, and region subtags from a tag string, and copy the - * results into the corresponding output parameters. The buffers are null-terminated, - * unless overflow occurs. - * - * The langLength, scriptLength, and regionLength parameters are input/output - * parameters, and must contain the capacity of their corresponding buffers on - * input. On output, they will contain the actual length of the buffers, not - * including the null terminator. - * - * If the length of any of the output subtags exceeds the capacity of the corresponding - * buffer, the function copies as many bytes to the output buffer as it can, and returns - * the error U_BUFFER_OVERFLOW_ERROR. It will not parse any more subtags once overflow - * occurs. - * - * If an illegal argument is provided, the function returns the error - * U_ILLEGAL_ARGUMENT_ERROR. - * - * @param localeID The locale ID to parse. - * @param lang The language tag buffer. - * @param langLength The length of the language tag. - * @param script The script tag buffer. - * @param scriptLength The length of the script tag. - * @param region The region tag buffer. - * @param regionLength The length of the region tag. - * @param err A pointer to a UErrorCode for error reporting. - * @return The number of chars of the localeID parameter consumed. - **/ -static int32_t U_CALLCONV -parseTagString( - const char* localeID, - char* lang, - int32_t* langLength, - char* script, - int32_t* scriptLength, - char* region, - int32_t* regionLength, - UErrorCode* err) -{ - const char* position = localeID; - int32_t subtagLength = 0; - - if(U_FAILURE(*err) || - localeID == NULL || - lang == NULL || - langLength == NULL || - script == NULL || - scriptLength == NULL || - region == NULL || - regionLength == NULL) { - goto error; - } - - subtagLength = ulocimp_getLanguage(position, lang, *langLength, &position); - u_terminateChars(lang, *langLength, subtagLength, err); - - /* - * Note that we explicit consider U_STRING_NOT_TERMINATED_WARNING - * to be an error, because it indicates the user-supplied tag is - * not well-formed. - */ - if(U_FAILURE(*err)) { - goto error; - } - - *langLength = subtagLength; - - /* + err); +} + +/** + * Parse the language, script, and region subtags from a tag string, and copy the + * results into the corresponding output parameters. The buffers are null-terminated, + * unless overflow occurs. + * + * The langLength, scriptLength, and regionLength parameters are input/output + * parameters, and must contain the capacity of their corresponding buffers on + * input. On output, they will contain the actual length of the buffers, not + * including the null terminator. + * + * If the length of any of the output subtags exceeds the capacity of the corresponding + * buffer, the function copies as many bytes to the output buffer as it can, and returns + * the error U_BUFFER_OVERFLOW_ERROR. It will not parse any more subtags once overflow + * occurs. + * + * If an illegal argument is provided, the function returns the error + * U_ILLEGAL_ARGUMENT_ERROR. + * + * @param localeID The locale ID to parse. + * @param lang The language tag buffer. + * @param langLength The length of the language tag. + * @param script The script tag buffer. + * @param scriptLength The length of the script tag. + * @param region The region tag buffer. + * @param regionLength The length of the region tag. + * @param err A pointer to a UErrorCode for error reporting. + * @return The number of chars of the localeID parameter consumed. + **/ +static int32_t U_CALLCONV +parseTagString( + const char* localeID, + char* lang, + int32_t* langLength, + char* script, + int32_t* scriptLength, + char* region, + int32_t* regionLength, + UErrorCode* err) +{ + const char* position = localeID; + int32_t subtagLength = 0; + + if(U_FAILURE(*err) || + localeID == NULL || + lang == NULL || + langLength == NULL || + script == NULL || + scriptLength == NULL || + region == NULL || + regionLength == NULL) { + goto error; + } + + subtagLength = ulocimp_getLanguage(position, lang, *langLength, &position); + u_terminateChars(lang, *langLength, subtagLength, err); + + /* + * Note that we explicit consider U_STRING_NOT_TERMINATED_WARNING + * to be an error, because it indicates the user-supplied tag is + * not well-formed. + */ + if(U_FAILURE(*err)) { + goto error; + } + + *langLength = subtagLength; + + /* * If no language was present, use the empty string instead. * Otherwise, move past any separator. - */ + */ if (_isIDSeparator(*position)) { - ++position; - } - - subtagLength = ulocimp_getScript(position, script, *scriptLength, &position); - u_terminateChars(script, *scriptLength, subtagLength, err); - - if(U_FAILURE(*err)) { - goto error; - } - - *scriptLength = subtagLength; - - if (*scriptLength > 0) { - if (uprv_strnicmp(script, unknownScript, *scriptLength) == 0) { - /** - * If the script part is the "unknown" script, then don't return it. - **/ - *scriptLength = 0; - } - - /* - * Move past any separator. - */ - if (_isIDSeparator(*position)) { - ++position; - } - } - - subtagLength = ulocimp_getCountry(position, region, *regionLength, &position); - u_terminateChars(region, *regionLength, subtagLength, err); - - if(U_FAILURE(*err)) { - goto error; - } - - *regionLength = subtagLength; - - if (*regionLength > 0) { - if (uprv_strnicmp(region, unknownRegion, *regionLength) == 0) { - /** - * If the region part is the "unknown" region, then don't return it. - **/ - *regionLength = 0; - } - } else if (*position != 0 && *position != '@') { - /* back up over consumed trailing separator */ - --position; - } - -exit: - - return (int32_t)(position - localeID); - -error: - - /** - * If we get here, we have no explicit error, it's the result of an - * illegal argument. - **/ - if (!U_FAILURE(*err)) { - *err = U_ILLEGAL_ARGUMENT_ERROR; - } - - goto exit; -} - + ++position; + } + + subtagLength = ulocimp_getScript(position, script, *scriptLength, &position); + u_terminateChars(script, *scriptLength, subtagLength, err); + + if(U_FAILURE(*err)) { + goto error; + } + + *scriptLength = subtagLength; + + if (*scriptLength > 0) { + if (uprv_strnicmp(script, unknownScript, *scriptLength) == 0) { + /** + * If the script part is the "unknown" script, then don't return it. + **/ + *scriptLength = 0; + } + + /* + * Move past any separator. + */ + if (_isIDSeparator(*position)) { + ++position; + } + } + + subtagLength = ulocimp_getCountry(position, region, *regionLength, &position); + u_terminateChars(region, *regionLength, subtagLength, err); + + if(U_FAILURE(*err)) { + goto error; + } + + *regionLength = subtagLength; + + if (*regionLength > 0) { + if (uprv_strnicmp(region, unknownRegion, *regionLength) == 0) { + /** + * If the region part is the "unknown" region, then don't return it. + **/ + *regionLength = 0; + } + } else if (*position != 0 && *position != '@') { + /* back up over consumed trailing separator */ + --position; + } + +exit: + + return (int32_t)(position - localeID); + +error: + + /** + * If we get here, we have no explicit error, it's the result of an + * illegal argument. + **/ + if (!U_FAILURE(*err)) { + *err = U_ILLEGAL_ARGUMENT_ERROR; + } + + goto exit; +} + static UBool U_CALLCONV -createLikelySubtagsString( - const char* lang, - int32_t langLength, - const char* script, - int32_t scriptLength, - const char* region, - int32_t regionLength, - const char* variants, - int32_t variantsLength, +createLikelySubtagsString( + const char* lang, + int32_t langLength, + const char* script, + int32_t scriptLength, + const char* region, + int32_t regionLength, + const char* variants, + int32_t variantsLength, icu::ByteSink& sink, UErrorCode* err) { - /** - * ULOC_FULLNAME_CAPACITY will provide enough capacity - * that we can build a string that contains the language, - * script and region code without worrying about overrunning - * the user-supplied buffer. - **/ - char likelySubtagsBuffer[ULOC_FULLNAME_CAPACITY]; - - if(U_FAILURE(*err)) { - goto error; - } - - /** - * Try the language with the script and region first. - **/ - if (scriptLength > 0 && regionLength > 0) { - - const char* likelySubtags = NULL; - + /** + * ULOC_FULLNAME_CAPACITY will provide enough capacity + * that we can build a string that contains the language, + * script and region code without worrying about overrunning + * the user-supplied buffer. + **/ + char likelySubtagsBuffer[ULOC_FULLNAME_CAPACITY]; + + if(U_FAILURE(*err)) { + goto error; + } + + /** + * Try the language with the script and region first. + **/ + if (scriptLength > 0 && regionLength > 0) { + + const char* likelySubtags = NULL; + icu::CharString tagBuffer; { icu::CharStringByteSink sink(&tagBuffer); @@ -595,47 +595,47 @@ createLikelySubtagsString( sink, err); } - if(U_FAILURE(*err)) { - goto error; - } - - likelySubtags = - findLikelySubtags( + if(U_FAILURE(*err)) { + goto error; + } + + likelySubtags = + findLikelySubtags( tagBuffer.data(), - likelySubtagsBuffer, - sizeof(likelySubtagsBuffer), - err); - if(U_FAILURE(*err)) { - goto error; - } - - if (likelySubtags != NULL) { - /* Always use the language tag from the - maximal string, since it may be more - specific than the one provided. */ + likelySubtagsBuffer, + sizeof(likelySubtagsBuffer), + err); + if(U_FAILURE(*err)) { + goto error; + } + + if (likelySubtags != NULL) { + /* Always use the language tag from the + maximal string, since it may be more + specific than the one provided. */ createTagStringWithAlternates( - NULL, - 0, - NULL, - 0, - NULL, - 0, - variants, - variantsLength, - likelySubtags, + NULL, + 0, + NULL, + 0, + NULL, + 0, + variants, + variantsLength, + likelySubtags, sink, - err); + err); return TRUE; - } - } - - /** - * Try the language with just the script. - **/ - if (scriptLength > 0) { - - const char* likelySubtags = NULL; - + } + } + + /** + * Try the language with just the script. + **/ + if (scriptLength > 0) { + + const char* likelySubtags = NULL; + icu::CharString tagBuffer; { icu::CharStringByteSink sink(&tagBuffer); @@ -651,47 +651,47 @@ createLikelySubtagsString( sink, err); } - if(U_FAILURE(*err)) { - goto error; - } - - likelySubtags = - findLikelySubtags( + if(U_FAILURE(*err)) { + goto error; + } + + likelySubtags = + findLikelySubtags( tagBuffer.data(), - likelySubtagsBuffer, - sizeof(likelySubtagsBuffer), - err); - if(U_FAILURE(*err)) { - goto error; - } - - if (likelySubtags != NULL) { - /* Always use the language tag from the - maximal string, since it may be more - specific than the one provided. */ + likelySubtagsBuffer, + sizeof(likelySubtagsBuffer), + err); + if(U_FAILURE(*err)) { + goto error; + } + + if (likelySubtags != NULL) { + /* Always use the language tag from the + maximal string, since it may be more + specific than the one provided. */ createTagStringWithAlternates( - NULL, - 0, - NULL, - 0, - region, - regionLength, - variants, - variantsLength, - likelySubtags, + NULL, + 0, + NULL, + 0, + region, + regionLength, + variants, + variantsLength, + likelySubtags, sink, - err); + err); return TRUE; - } - } - - /** - * Try the language with just the region. - **/ - if (regionLength > 0) { - - const char* likelySubtags = NULL; - + } + } + + /** + * Try the language with just the region. + **/ + if (regionLength > 0) { + + const char* likelySubtags = NULL; + icu::CharString tagBuffer; { icu::CharStringByteSink sink(&tagBuffer); @@ -707,46 +707,46 @@ createLikelySubtagsString( sink, err); } - if(U_FAILURE(*err)) { - goto error; - } - - likelySubtags = - findLikelySubtags( + if(U_FAILURE(*err)) { + goto error; + } + + likelySubtags = + findLikelySubtags( tagBuffer.data(), - likelySubtagsBuffer, - sizeof(likelySubtagsBuffer), - err); - if(U_FAILURE(*err)) { - goto error; - } - - if (likelySubtags != NULL) { - /* Always use the language tag from the - maximal string, since it may be more - specific than the one provided. */ + likelySubtagsBuffer, + sizeof(likelySubtagsBuffer), + err); + if(U_FAILURE(*err)) { + goto error; + } + + if (likelySubtags != NULL) { + /* Always use the language tag from the + maximal string, since it may be more + specific than the one provided. */ createTagStringWithAlternates( - NULL, - 0, - script, - scriptLength, - NULL, - 0, - variants, - variantsLength, - likelySubtags, + NULL, + 0, + script, + scriptLength, + NULL, + 0, + variants, + variantsLength, + likelySubtags, sink, - err); + err); return TRUE; - } - } - - /** - * Finally, try just the language. - **/ - { - const char* likelySubtags = NULL; - + } + } + + /** + * Finally, try just the language. + **/ + { + const char* likelySubtags = NULL; + icu::CharString tagBuffer; { icu::CharStringByteSink sink(&tagBuffer); @@ -762,51 +762,51 @@ createLikelySubtagsString( sink, err); } - if(U_FAILURE(*err)) { - goto error; - } - - likelySubtags = - findLikelySubtags( + if(U_FAILURE(*err)) { + goto error; + } + + likelySubtags = + findLikelySubtags( tagBuffer.data(), - likelySubtagsBuffer, - sizeof(likelySubtagsBuffer), - err); - if(U_FAILURE(*err)) { - goto error; - } - - if (likelySubtags != NULL) { - /* Always use the language tag from the - maximal string, since it may be more - specific than the one provided. */ + likelySubtagsBuffer, + sizeof(likelySubtagsBuffer), + err); + if(U_FAILURE(*err)) { + goto error; + } + + if (likelySubtags != NULL) { + /* Always use the language tag from the + maximal string, since it may be more + specific than the one provided. */ createTagStringWithAlternates( - NULL, - 0, - script, - scriptLength, - region, - regionLength, - variants, - variantsLength, - likelySubtags, + NULL, + 0, + script, + scriptLength, + region, + regionLength, + variants, + variantsLength, + likelySubtags, sink, - err); + err); return TRUE; - } - } - + } + } + return FALSE; - -error: - - if (!U_FAILURE(*err)) { - *err = U_ILLEGAL_ARGUMENT_ERROR; - } - + +error: + + if (!U_FAILURE(*err)) { + *err = U_ILLEGAL_ARGUMENT_ERROR; + } + return FALSE; -} - +} + #define CHECK_TRAILING_VARIANT_SIZE(trailing, trailingLength) UPRV_BLOCK_MACRO_BEGIN { \ int32_t count = 0; \ int32_t i; \ @@ -814,150 +814,150 @@ error: if (trailing[i] == '-' || trailing[i] == '_') { \ count = 0; \ if (count > 8) { \ - goto error; \ - } \ + goto error; \ + } \ } else if (trailing[i] == '@') { \ break; \ } else if (count > 8) { \ goto error; \ } else { \ count++; \ - } \ + } \ } \ } UPRV_BLOCK_MACRO_END - + static void _uloc_addLikelySubtags(const char* localeID, icu::ByteSink& sink, UErrorCode* err) { - char lang[ULOC_LANG_CAPACITY]; - int32_t langLength = sizeof(lang); - char script[ULOC_SCRIPT_CAPACITY]; - int32_t scriptLength = sizeof(script); - char region[ULOC_COUNTRY_CAPACITY]; - int32_t regionLength = sizeof(region); - const char* trailing = ""; - int32_t trailingLength = 0; - int32_t trailingIndex = 0; + char lang[ULOC_LANG_CAPACITY]; + int32_t langLength = sizeof(lang); + char script[ULOC_SCRIPT_CAPACITY]; + int32_t scriptLength = sizeof(script); + char region[ULOC_COUNTRY_CAPACITY]; + int32_t regionLength = sizeof(region); + const char* trailing = ""; + int32_t trailingLength = 0; + int32_t trailingIndex = 0; UBool success = FALSE; - - if(U_FAILURE(*err)) { - goto error; - } + + if(U_FAILURE(*err)) { + goto error; + } if (localeID == NULL) { - goto error; - } - - trailingIndex = parseTagString( - localeID, - lang, - &langLength, - script, - &scriptLength, - region, - ®ionLength, - err); - if(U_FAILURE(*err)) { - /* Overflow indicates an illegal argument error */ - if (*err == U_BUFFER_OVERFLOW_ERROR) { - *err = U_ILLEGAL_ARGUMENT_ERROR; - } - - goto error; - } - - /* Find the length of the trailing portion. */ - while (_isIDSeparator(localeID[trailingIndex])) { - trailingIndex++; - } - trailing = &localeID[trailingIndex]; - trailingLength = (int32_t)uprv_strlen(trailing); - - CHECK_TRAILING_VARIANT_SIZE(trailing, trailingLength); - + goto error; + } + + trailingIndex = parseTagString( + localeID, + lang, + &langLength, + script, + &scriptLength, + region, + ®ionLength, + err); + if(U_FAILURE(*err)) { + /* Overflow indicates an illegal argument error */ + if (*err == U_BUFFER_OVERFLOW_ERROR) { + *err = U_ILLEGAL_ARGUMENT_ERROR; + } + + goto error; + } + + /* Find the length of the trailing portion. */ + while (_isIDSeparator(localeID[trailingIndex])) { + trailingIndex++; + } + trailing = &localeID[trailingIndex]; + trailingLength = (int32_t)uprv_strlen(trailing); + + CHECK_TRAILING_VARIANT_SIZE(trailing, trailingLength); + success = - createLikelySubtagsString( - lang, - langLength, - script, - scriptLength, - region, - regionLength, - trailing, - trailingLength, + createLikelySubtagsString( + lang, + langLength, + script, + scriptLength, + region, + regionLength, + trailing, + trailingLength, sink, - err); - + err); + if (!success) { - const int32_t localIDLength = (int32_t)uprv_strlen(localeID); - - /* - * If we get here, we need to return localeID. - */ + const int32_t localIDLength = (int32_t)uprv_strlen(localeID); + + /* + * If we get here, we need to return localeID. + */ sink.Append(localeID, localIDLength); - } - + } + return; - -error: - - if (!U_FAILURE(*err)) { - *err = U_ILLEGAL_ARGUMENT_ERROR; - } -} - + +error: + + if (!U_FAILURE(*err)) { + *err = U_ILLEGAL_ARGUMENT_ERROR; + } +} + static void _uloc_minimizeSubtags(const char* localeID, icu::ByteSink& sink, UErrorCode* err) { icu::CharString maximizedTagBuffer; - - char lang[ULOC_LANG_CAPACITY]; - int32_t langLength = sizeof(lang); - char script[ULOC_SCRIPT_CAPACITY]; - int32_t scriptLength = sizeof(script); - char region[ULOC_COUNTRY_CAPACITY]; - int32_t regionLength = sizeof(region); - const char* trailing = ""; - int32_t trailingLength = 0; - int32_t trailingIndex = 0; - - if(U_FAILURE(*err)) { - goto error; - } + + char lang[ULOC_LANG_CAPACITY]; + int32_t langLength = sizeof(lang); + char script[ULOC_SCRIPT_CAPACITY]; + int32_t scriptLength = sizeof(script); + char region[ULOC_COUNTRY_CAPACITY]; + int32_t regionLength = sizeof(region); + const char* trailing = ""; + int32_t trailingLength = 0; + int32_t trailingIndex = 0; + + if(U_FAILURE(*err)) { + goto error; + } else if (localeID == NULL) { - goto error; - } - - trailingIndex = - parseTagString( - localeID, - lang, - &langLength, - script, - &scriptLength, - region, - ®ionLength, - err); - if(U_FAILURE(*err)) { - - /* Overflow indicates an illegal argument error */ - if (*err == U_BUFFER_OVERFLOW_ERROR) { - *err = U_ILLEGAL_ARGUMENT_ERROR; - } - - goto error; - } - - /* Find the spot where the variants or the keywords begin, if any. */ - while (_isIDSeparator(localeID[trailingIndex])) { - trailingIndex++; - } - trailing = &localeID[trailingIndex]; - trailingLength = (int32_t)uprv_strlen(trailing); - - CHECK_TRAILING_VARIANT_SIZE(trailing, trailingLength); - + goto error; + } + + trailingIndex = + parseTagString( + localeID, + lang, + &langLength, + script, + &scriptLength, + region, + ®ionLength, + err); + if(U_FAILURE(*err)) { + + /* Overflow indicates an illegal argument error */ + if (*err == U_BUFFER_OVERFLOW_ERROR) { + *err = U_ILLEGAL_ARGUMENT_ERROR; + } + + goto error; + } + + /* Find the spot where the variants or the keywords begin, if any. */ + while (_isIDSeparator(localeID[trailingIndex])) { + trailingIndex++; + } + trailing = &localeID[trailingIndex]; + trailingLength = (int32_t)uprv_strlen(trailing); + + CHECK_TRAILING_VARIANT_SIZE(trailing, trailingLength); + { icu::CharString base; { @@ -983,188 +983,188 @@ _uloc_minimizeSubtags(const char* localeID, icu::CharStringByteSink sink(&maximizedTagBuffer); ulocimp_addLikelySubtags(base.data(), sink, err); } - } - - if(U_FAILURE(*err)) { - goto error; - } - - /** - * Start first with just the language. - **/ - { + } + + if(U_FAILURE(*err)) { + goto error; + } + + /** + * Start first with just the language. + **/ + { icu::CharString tagBuffer; { icu::CharStringByteSink sink(&tagBuffer); - createLikelySubtagsString( - lang, - langLength, - NULL, - 0, - NULL, - 0, - NULL, - 0, + createLikelySubtagsString( + lang, + langLength, + NULL, + 0, + NULL, + 0, + NULL, + 0, sink, - err); + err); + } + + if(U_FAILURE(*err)) { + goto error; } - - if(U_FAILURE(*err)) { - goto error; - } else if (!tagBuffer.isEmpty() && uprv_strnicmp( maximizedTagBuffer.data(), tagBuffer.data(), tagBuffer.length()) == 0) { - + createTagString( - lang, - langLength, - NULL, - 0, - NULL, - 0, - trailing, - trailingLength, + lang, + langLength, + NULL, + 0, + NULL, + 0, + trailing, + trailingLength, sink, - err); + err); return; - } - } - - /** - * Next, try the language and region. - **/ - if (regionLength > 0) { - + } + } + + /** + * Next, try the language and region. + **/ + if (regionLength > 0) { + icu::CharString tagBuffer; { icu::CharStringByteSink sink(&tagBuffer); - createLikelySubtagsString( - lang, - langLength, - NULL, - 0, - region, - regionLength, - NULL, - 0, + createLikelySubtagsString( + lang, + langLength, + NULL, + 0, + region, + regionLength, + NULL, + 0, sink, - err); + err); + } + + if(U_FAILURE(*err)) { + goto error; } - - if(U_FAILURE(*err)) { - goto error; - } - else if (uprv_strnicmp( + else if (uprv_strnicmp( maximizedTagBuffer.data(), tagBuffer.data(), tagBuffer.length()) == 0) { - + createTagString( - lang, - langLength, - NULL, - 0, - region, - regionLength, - trailing, - trailingLength, + lang, + langLength, + NULL, + 0, + region, + regionLength, + trailing, + trailingLength, sink, - err); + err); return; - } - } - - /** - * Finally, try the language and script. This is our last chance, - * since trying with all three subtags would only yield the - * maximal version that we already have. - **/ - if (scriptLength > 0 && regionLength > 0) { + } + } + + /** + * Finally, try the language and script. This is our last chance, + * since trying with all three subtags would only yield the + * maximal version that we already have. + **/ + if (scriptLength > 0 && regionLength > 0) { icu::CharString tagBuffer; { icu::CharStringByteSink sink(&tagBuffer); - createLikelySubtagsString( - lang, - langLength, - script, - scriptLength, - NULL, - 0, - NULL, - 0, + createLikelySubtagsString( + lang, + langLength, + script, + scriptLength, + NULL, + 0, + NULL, + 0, sink, - err); + err); + } + + if(U_FAILURE(*err)) { + goto error; } - - if(U_FAILURE(*err)) { - goto error; - } - else if (uprv_strnicmp( + else if (uprv_strnicmp( maximizedTagBuffer.data(), tagBuffer.data(), tagBuffer.length()) == 0) { - + createTagString( - lang, - langLength, - script, - scriptLength, - NULL, - 0, - trailing, - trailingLength, + lang, + langLength, + script, + scriptLength, + NULL, + 0, + trailing, + trailingLength, sink, - err); + err); return; - } - } - - { - /** - * If we got here, return the locale ID parameter. - **/ - const int32_t localeIDLength = (int32_t)uprv_strlen(localeID); + } + } + + { + /** + * If we got here, return the locale ID parameter. + **/ + const int32_t localeIDLength = (int32_t)uprv_strlen(localeID); sink.Append(localeID, localeIDLength); return; - } - -error: - - if (!U_FAILURE(*err)) { - *err = U_ILLEGAL_ARGUMENT_ERROR; - } -} - -static UBool -do_canonicalize(const char* localeID, - char* buffer, - int32_t bufferCapacity, - UErrorCode* err) -{ - uloc_canonicalize( - localeID, - buffer, - bufferCapacity, - err); - - if (*err == U_STRING_NOT_TERMINATED_WARNING || - *err == U_BUFFER_OVERFLOW_ERROR) { - *err = U_ILLEGAL_ARGUMENT_ERROR; - - return FALSE; - } - else if (U_FAILURE(*err)) { - - return FALSE; - } - else { - return TRUE; - } -} - -U_CAPI int32_t U_EXPORT2 + } + +error: + + if (!U_FAILURE(*err)) { + *err = U_ILLEGAL_ARGUMENT_ERROR; + } +} + +static UBool +do_canonicalize(const char* localeID, + char* buffer, + int32_t bufferCapacity, + UErrorCode* err) +{ + uloc_canonicalize( + localeID, + buffer, + bufferCapacity, + err); + + if (*err == U_STRING_NOT_TERMINATED_WARNING || + *err == U_BUFFER_OVERFLOW_ERROR) { + *err = U_ILLEGAL_ARGUMENT_ERROR; + + return FALSE; + } + else if (U_FAILURE(*err)) { + + return FALSE; + } + else { + return TRUE; + } +} + +U_CAPI int32_t U_EXPORT2 uloc_addLikelySubtags(const char* localeID, char* maximizedLocaleID, int32_t maximizedLocaleIDCapacity, @@ -1197,14 +1197,14 @@ U_CAPI void U_EXPORT2 ulocimp_addLikelySubtags(const char* localeID, icu::ByteSink& sink, UErrorCode* status) { - char localeBuffer[ULOC_FULLNAME_CAPACITY]; - + char localeBuffer[ULOC_FULLNAME_CAPACITY]; + if (do_canonicalize(localeID, localeBuffer, sizeof localeBuffer, status)) { _uloc_addLikelySubtags(localeBuffer, sink, status); - } -} - -U_CAPI int32_t U_EXPORT2 + } +} + +U_CAPI int32_t U_EXPORT2 uloc_minimizeSubtags(const char* localeID, char* minimizedLocaleID, int32_t minimizedLocaleIDCapacity, @@ -1237,34 +1237,34 @@ U_CAPI void U_EXPORT2 ulocimp_minimizeSubtags(const char* localeID, icu::ByteSink& sink, UErrorCode* status) { - char localeBuffer[ULOC_FULLNAME_CAPACITY]; - + char localeBuffer[ULOC_FULLNAME_CAPACITY]; + if (do_canonicalize(localeID, localeBuffer, sizeof localeBuffer, status)) { _uloc_minimizeSubtags(localeBuffer, sink, status); - } -} - -// Pairs of (language subtag, + or -) for finding out fast if common languages -// are LTR (minus) or RTL (plus). + } +} + +// Pairs of (language subtag, + or -) for finding out fast if common languages +// are LTR (minus) or RTL (plus). static const char LANG_DIR_STRING[] = - "root-en-es-pt-zh-ja-ko-de-fr-it-ar+he+fa+ru-nl-pl-th-tr-"; - + "root-en-es-pt-zh-ja-ko-de-fr-it-ar+he+fa+ru-nl-pl-th-tr-"; + // Implemented here because this calls ulocimp_addLikelySubtags(). -U_CAPI UBool U_EXPORT2 -uloc_isRightToLeft(const char *locale) { - UErrorCode errorCode = U_ZERO_ERROR; - char script[8]; - int32_t scriptLength = uloc_getScript(locale, script, UPRV_LENGTHOF(script), &errorCode); - if (U_FAILURE(errorCode) || errorCode == U_STRING_NOT_TERMINATED_WARNING || - scriptLength == 0) { - // Fastpath: We know the likely scripts and their writing direction - // for some common languages. - errorCode = U_ZERO_ERROR; - char lang[8]; - int32_t langLength = uloc_getLanguage(locale, lang, UPRV_LENGTHOF(lang), &errorCode); +U_CAPI UBool U_EXPORT2 +uloc_isRightToLeft(const char *locale) { + UErrorCode errorCode = U_ZERO_ERROR; + char script[8]; + int32_t scriptLength = uloc_getScript(locale, script, UPRV_LENGTHOF(script), &errorCode); + if (U_FAILURE(errorCode) || errorCode == U_STRING_NOT_TERMINATED_WARNING || + scriptLength == 0) { + // Fastpath: We know the likely scripts and their writing direction + // for some common languages. + errorCode = U_ZERO_ERROR; + char lang[8]; + int32_t langLength = uloc_getLanguage(locale, lang, UPRV_LENGTHOF(lang), &errorCode); if (U_FAILURE(errorCode) || errorCode == U_STRING_NOT_TERMINATED_WARNING) { - return FALSE; - } + return FALSE; + } if (langLength > 0) { const char* langPtr = uprv_strstr(LANG_DIR_STRING, lang); if (langPtr != NULL) { @@ -1273,86 +1273,86 @@ uloc_isRightToLeft(const char *locale) { case '+': return TRUE; default: break; // partial match of a longer code } - } - } - // Otherwise, find the likely script. - errorCode = U_ZERO_ERROR; + } + } + // Otherwise, find the likely script. + errorCode = U_ZERO_ERROR; icu::CharString likely; { icu::CharStringByteSink sink(&likely); ulocimp_addLikelySubtags(locale, sink, &errorCode); } - if (U_FAILURE(errorCode) || errorCode == U_STRING_NOT_TERMINATED_WARNING) { - return FALSE; - } + if (U_FAILURE(errorCode) || errorCode == U_STRING_NOT_TERMINATED_WARNING) { + return FALSE; + } scriptLength = uloc_getScript(likely.data(), script, UPRV_LENGTHOF(script), &errorCode); - if (U_FAILURE(errorCode) || errorCode == U_STRING_NOT_TERMINATED_WARNING || - scriptLength == 0) { - return FALSE; - } - } - UScriptCode scriptCode = (UScriptCode)u_getPropertyValueEnum(UCHAR_SCRIPT, script); - return uscript_isRightToLeft(scriptCode); -} - -U_NAMESPACE_BEGIN - -UBool -Locale::isRightToLeft() const { - return uloc_isRightToLeft(getBaseName()); -} - -U_NAMESPACE_END - -// The following must at least allow for rg key value (6) plus terminator (1). -#define ULOC_RG_BUFLEN 8 - -U_CAPI int32_t U_EXPORT2 -ulocimp_getRegionForSupplementalData(const char *localeID, UBool inferRegion, - char *region, int32_t regionCapacity, UErrorCode* status) { - if (U_FAILURE(*status)) { - return 0; - } - char rgBuf[ULOC_RG_BUFLEN]; - UErrorCode rgStatus = U_ZERO_ERROR; - - // First check for rg keyword value - int32_t rgLen = uloc_getKeywordValue(localeID, "rg", rgBuf, ULOC_RG_BUFLEN, &rgStatus); - if (U_FAILURE(rgStatus) || rgLen != 6) { - rgLen = 0; - } else { - // rgBuf guaranteed to be zero terminated here, with text len 6 - char *rgPtr = rgBuf; - for (; *rgPtr!= 0; rgPtr++) { - *rgPtr = uprv_toupper(*rgPtr); - } - rgLen = (uprv_strcmp(rgBuf+2, "ZZZZ") == 0)? 2: 0; - } - - if (rgLen == 0) { - // No valid rg keyword value, try for unicode_region_subtag - rgLen = uloc_getCountry(localeID, rgBuf, ULOC_RG_BUFLEN, status); - if (U_FAILURE(*status)) { - rgLen = 0; - } else if (rgLen == 0 && inferRegion) { - // no unicode_region_subtag but inferRegion TRUE, try likely subtags - rgStatus = U_ZERO_ERROR; + if (U_FAILURE(errorCode) || errorCode == U_STRING_NOT_TERMINATED_WARNING || + scriptLength == 0) { + return FALSE; + } + } + UScriptCode scriptCode = (UScriptCode)u_getPropertyValueEnum(UCHAR_SCRIPT, script); + return uscript_isRightToLeft(scriptCode); +} + +U_NAMESPACE_BEGIN + +UBool +Locale::isRightToLeft() const { + return uloc_isRightToLeft(getBaseName()); +} + +U_NAMESPACE_END + +// The following must at least allow for rg key value (6) plus terminator (1). +#define ULOC_RG_BUFLEN 8 + +U_CAPI int32_t U_EXPORT2 +ulocimp_getRegionForSupplementalData(const char *localeID, UBool inferRegion, + char *region, int32_t regionCapacity, UErrorCode* status) { + if (U_FAILURE(*status)) { + return 0; + } + char rgBuf[ULOC_RG_BUFLEN]; + UErrorCode rgStatus = U_ZERO_ERROR; + + // First check for rg keyword value + int32_t rgLen = uloc_getKeywordValue(localeID, "rg", rgBuf, ULOC_RG_BUFLEN, &rgStatus); + if (U_FAILURE(rgStatus) || rgLen != 6) { + rgLen = 0; + } else { + // rgBuf guaranteed to be zero terminated here, with text len 6 + char *rgPtr = rgBuf; + for (; *rgPtr!= 0; rgPtr++) { + *rgPtr = uprv_toupper(*rgPtr); + } + rgLen = (uprv_strcmp(rgBuf+2, "ZZZZ") == 0)? 2: 0; + } + + if (rgLen == 0) { + // No valid rg keyword value, try for unicode_region_subtag + rgLen = uloc_getCountry(localeID, rgBuf, ULOC_RG_BUFLEN, status); + if (U_FAILURE(*status)) { + rgLen = 0; + } else if (rgLen == 0 && inferRegion) { + // no unicode_region_subtag but inferRegion TRUE, try likely subtags + rgStatus = U_ZERO_ERROR; icu::CharString locBuf; { icu::CharStringByteSink sink(&locBuf); ulocimp_addLikelySubtags(localeID, sink, &rgStatus); } - if (U_SUCCESS(rgStatus)) { + if (U_SUCCESS(rgStatus)) { rgLen = uloc_getCountry(locBuf.data(), rgBuf, ULOC_RG_BUFLEN, status); - if (U_FAILURE(*status)) { - rgLen = 0; - } - } - } - } - - rgBuf[rgLen] = 0; - uprv_strncpy(region, rgBuf, regionCapacity); - return u_terminateChars(region, regionCapacity, rgLen, status); -} - + if (U_FAILURE(*status)) { + rgLen = 0; + } + } + } + } + + rgBuf[rgLen] = 0; + uprv_strncpy(region, rgBuf, regionCapacity); + return u_terminateChars(region, regionCapacity, rgLen, status); +} + |