/*
*******************************************************************************
-* Copyright (C) 2004-2006, International Business Machines
+* Copyright (C) 2004-2008, International Business Machines
* Corporation and others. All Rights Reserved.
*******************************************************************************
* file name: ucol_sit.cpp
*/
#include "unicode/ustring.h"
+#include "unicode/udata.h"
#include "utracimp.h"
#include "ucol_imp.h"
#include "unormimp.h"
#include "cmemory.h"
#include "cstring.h"
+#include "uresimp.h"
#if !UCONFIG_NO_COLLATION
UCOL_SIT_REGION,
UCOL_SIT_VARIANT,
UCOL_SIT_KEYWORD,
- UCOL_SIT_RFC3166BIS,
+ UCOL_SIT_BCP47,
UCOL_SIT_STRENGTH,
UCOL_SIT_CASE_LEVEL,
UCOL_SIT_CASE_FIRST,
UCOL_SIT_ITEMS_COUNT
};
-/* list of locales for packing of a collator to an integer.
- * This list corresponds to ICU 3.0. If more collation bearing
- * locales are added in the future, this won't be a simple array
- * but a mapping allowing forward and reverse lookup would have to
- * be established. Currently, the mapping is from locale name to
- * index.
- */
-static const char* const locales[] = {
-/* 00 - 09 */ "ar", "be", "bg", "ca", "cs", "da", "de", "de__PHONEBOOK", "el", "en",
-/* 10 - 19 */ "en_BE", "eo", "es", "es__TRADITIONAL", "et", "fa", "fa_AF", "fi", "fo", "fr",
-/* 20 - 29 */ "gu", "he", "hi", "hi__DIRECT", "hr", "hu", "is", "it", "ja", "kk",
-/* 30 - 39 */ "kl", "kn", "ko", "lt", "lv", "mk", "mr", "mt", "nb", "nn",
-/* 40 - 49 */ "om", "pa", "pl", "ps", "ro", "root", "ru", "sh", "sk", "sl",
-/* 50 - 59 */ "sq", "sr", "sv", "ta", "te", "th", "tr", "uk", "vi", "zh",
-/* 60 - 64 */ "zh_HK", "zh_MO", "zh_TW", "zh_TW_STROKE", "zh__PINYIN"
-};
-
-static const char* const keywords[] = {
-/* 00 */ "",
-/* 01 */ "direct",
-/* 02 */ "phonebook",
-/* 03 */ "pinyin",
-/* 04 */ "standard",
-/* 05 */ "stroke",
-/* 06 */ "traditional"
-};
-
-
/* option starters chars. */
static const char alternateHArg = 'A';
static const char variableTopValArg = 'B';
// settings
// analyse the string in order to get everything we need.
- const char *string = definition;
CollatorSpec s;
ucol_sit_initCollatorSpecs(&s);
- string = ucol_sit_readSpecs(&s, definition, parseError, status);
+ ucol_sit_readSpecs(&s, definition, parseError, status);
ucol_sit_calculateWholeLocale(&s);
char buffer[internalBufferSize];
return ucol_sit_dumpSpecs(&s, destination, capacity, status);
}
-// structure for packing the bits of the attributes in the
-// identifier number.
-// locale is packed separately
-struct bitPacking {
- char letter;
- uint32_t offset;
- uint32_t width;
- UColAttribute attribute;
- UColAttributeValue values[6];
-};
-
-static const bitPacking attributesToBits[UCOL_ATTRIBUTE_COUNT] = {
- /* french */ { frenchCollArg, 29, 2, UCOL_FRENCH_COLLATION, { UCOL_DEFAULT, UCOL_OFF, UCOL_ON }},
- /* alternate */ { alternateHArg, 27, 2, UCOL_ALTERNATE_HANDLING, { UCOL_DEFAULT, UCOL_NON_IGNORABLE, UCOL_SHIFTED }},
- /* case first */ { caseFirstArg, 25, 2, UCOL_CASE_FIRST, { UCOL_DEFAULT, UCOL_OFF, UCOL_LOWER_FIRST, UCOL_UPPER_FIRST }},
- /* case level */ { caseLevelArg, 23, 2, UCOL_CASE_LEVEL, { UCOL_DEFAULT, UCOL_OFF, UCOL_ON }},
- /* normalization */ { normArg, 21, 2, UCOL_NORMALIZATION_MODE, { UCOL_DEFAULT, UCOL_OFF, UCOL_ON }},
- /* strength */ { strengthArg, 18, 3, UCOL_STRENGTH, { UCOL_DEFAULT, UCOL_PRIMARY, UCOL_SECONDARY, UCOL_TERTIARY, UCOL_QUATERNARY, UCOL_IDENTICAL }},
- /* hiragana */ { hiraganaQArg, 16, 2, UCOL_HIRAGANA_QUATERNARY_MODE, { UCOL_DEFAULT, UCOL_OFF, UCOL_ON }},
- /* numeric coll */ { numericCollArg, 14, 2, UCOL_NUMERIC_COLLATION, { UCOL_DEFAULT, UCOL_OFF, UCOL_ON }}
-};
-
-static const uint32_t keywordShift = 9;
-static const uint32_t keywordWidth = 5;
-static const uint32_t localeShift = 0;
-static const uint32_t localeWidth = 7;
-
-
-static uint32_t ucol_sit_putLocaleInIdentifier(uint32_t result, const char* locale, UErrorCode* status) {
- char buffer[internalBufferSize], keywordBuffer[internalBufferSize],
- baseName[internalBufferSize], localeBuffer[internalBufferSize];
- int32_t len = 0, keywordLen = 0,
- baseNameLen = 0, localeLen = 0;
- uint32_t i = 0;
- UBool isAvailable = FALSE;
- if(locale) {
- len = uloc_canonicalize(locale, buffer, internalBufferSize, status);
- localeLen = ucol_getFunctionalEquivalent(localeBuffer, internalBufferSize, "collation", buffer, &isAvailable, status);
- keywordLen = uloc_getKeywordValue(buffer, "collation", keywordBuffer, internalBufferSize, status);
- baseNameLen = uloc_getBaseName(buffer, baseName, internalBufferSize, status);
-
- /*Binary search for the map entry for normal cases */
-
- uint32_t low = 0;
- uint32_t high = sizeof(locales)/sizeof(locales[0]);
- uint32_t mid = high;
- uint32_t oldmid = 0;
- int32_t compVal = 0;
-
-
- while (high > low) /*binary search*/{
-
- mid = (high+low) >> 1; /*Finds median*/
-
- if (mid == oldmid)
- return UCOL_SIT_COLLATOR_NOT_ENCODABLE; // we didn't find it
-
- compVal = uprv_strcmp(baseName, locales[mid]);
- if (compVal < 0){
- high = mid;
- }
- else if (compVal > 0){
- low = mid;
- }
- else /*we found it*/{
- break;
- }
- oldmid = mid;
- }
-
- result |= (mid & ((1 << localeWidth) - 1)) << localeShift;
- }
-
- if(keywordLen) {
- for(i = 1; i < sizeof(keywords)/sizeof(keywords[0]); i++) {
- if(uprv_strcmp(keywords[i], keywordBuffer) == 0) {
- result |= (i & ((1 << keywordWidth) - 1)) << keywordShift;
- break;
- }
- }
- }
- return result;
-}
-
-U_CAPI uint32_t U_EXPORT2
-ucol_collatorToIdentifier(const UCollator *coll,
- const char *locale,
- UErrorCode *status)
-{
- uint32_t result = 0;
- uint32_t i = 0, j = 0;
- UColAttributeValue attrValue = UCOL_DEFAULT;
-
- // if variable top is not default, we need to use strings
- if(coll->variableTopValueisDefault != TRUE) {
- return UCOL_SIT_COLLATOR_NOT_ENCODABLE;
- }
-
- if(locale == NULL) {
- locale = ucol_getLocale(coll, ULOC_VALID_LOCALE, status);
- }
-
- result = ucol_sit_putLocaleInIdentifier(result, locale, status);
-
- for(i = 0; i < sizeof(attributesToBits)/sizeof(attributesToBits[0]); i++) {
- attrValue = ucol_getAttributeOrDefault(coll, attributesToBits[i].attribute, status);
- j = 0;
- while(attributesToBits[i].values[j] != attrValue) {
- j++;
- }
- result |= (j & ((1 << attributesToBits[i].width) - 1)) << attributesToBits[i].offset;
- }
-
- return result;
-}
-
-U_CAPI UCollator* U_EXPORT2
-ucol_openFromIdentifier(uint32_t identifier,
- UBool forceDefaults,
- UErrorCode *status)
-{
- uint32_t i = 0;
- int32_t value = 0, keyword = 0;
- char locale[internalBufferSize];
-
- value = (identifier >> localeShift) & ((1 << localeWidth) - 1);
- keyword = (identifier >> keywordShift) & ((1 << keywordWidth) - 1);
-
- uprv_strcpy(locale, locales[value]);
-
- if(keyword) {
- uprv_strcat(locale, collationKeyword);
- uprv_strcat(locale, keywords[keyword]);
- }
-
- UColAttributeValue attrValue = UCOL_DEFAULT;
-
- UCollator *result = ucol_open(locale, status);
-
- // variable top is not set in the identifier, so we can easily skip that on
-
- for(i = 0; i < sizeof(attributesToBits)/sizeof(attributesToBits[0]); i++) {
- value = (identifier >> attributesToBits[i].offset) & ((1 << attributesToBits[i].width) - 1);
- attrValue = attributesToBits[i].values[value];
- // the collator is all default, so we will set only the values that will differ from
- // the default values.
- if(attrValue != UCOL_DEFAULT) {
- if(forceDefaults ||
- ucol_getAttribute(result, attributesToBits[i].attribute, status) != attrValue) {
- ucol_setAttribute(result, attributesToBits[i].attribute, attrValue, status);
- }
- }
- }
-
- return result;
-}
-
-U_CAPI int32_t U_EXPORT2
-ucol_identifierToShortString(uint32_t identifier,
- char *buffer,
- int32_t capacity,
- UBool forceDefaults,
- UErrorCode *status)
-{
- int32_t locIndex = (identifier >> localeShift) & ((1 << localeWidth) - 1);
- int32_t keywordIndex = (identifier >> keywordShift) & ((1 << keywordWidth) - 1);
- CollatorSpec s;
- ucol_sit_initCollatorSpecs(&s);
- uprv_strcpy(s.locale, locales[locIndex]);
- if(keywordIndex) {
- uprv_strcat(s.locale, collationKeyword);
- uprv_strcat(s.locale, keywords[keywordIndex]);
- }
- UCollator *coll = ucol_openFromIdentifier(identifier, forceDefaults, status);
- int32_t resultLen = ucol_getShortDefinitionString(coll, s.locale, buffer, capacity, status);
- ucol_close(coll);
- return resultLen;
-
-#if 0
- // TODO: Crumy, crumy, crumy... Very hard to currently go algorithmically from
- // identifier to short string. Do rethink
- if(forceDefaults == FALSE) {
- UCollator *coll = ucol_openFromIdentifier(identifier, FALSE, status);
- int32_t resultLen = ucol_getShortDefinitionString(coll, s.locale, buffer, capacity, status);
- ucol_close(coll);
- return resultLen;
- } else { // forceDefaults == TRUE
- char letter;
- UColAttributeValue value;
- int32_t i = 0;
- for(i = 0; i < sizeof(attributesToBits)/sizeof(attributesToBits[0]); i++) {
- value = attributesToBits[i].values[(identifier >> attributesToBits[i].offset) & ((1 << attributesToBits[i].width) - 1)];
- if(value != UCOL_DEFAULT) {
- uprv_strcat(buffer, "_");
- uprv_strncat(buffer, &attributesToBits[i].letter, 1);
- letter = ucol_sit_attributeValueToLetter(value, status);
- uprv_strncat(buffer, &letter, 1);
- }
- }
- return ucol_sit_dumpSpecs(&s, buffer, capacity, status);
- }
-#endif
-}
-
-U_CAPI uint32_t U_EXPORT2
-ucol_shortStringToIdentifier(const char *definition,
- UBool forceDefaults,
- UErrorCode *status)
-{
- UParseError parseError;
- CollatorSpec s;
- uint32_t result = 0;
- uint32_t i = 0, j = 0;
- ucol_sit_initCollatorSpecs(&s);
-
- ucol_sit_readSpecs(&s, definition, &parseError, status);
- ucol_sit_calculateWholeLocale(&s);
-
- char locBuffer[internalBufferSize];
- UBool isAvailable = FALSE;
- UColAttributeValue attrValue = UCOL_DEFAULT;
-
- ucol_getFunctionalEquivalent(locBuffer, internalBufferSize, "collation", s.locale, &isAvailable, status);
-
- if(forceDefaults == FALSE) {
- UCollator *coll = ucol_openFromShortString(definition, FALSE, &parseError, status);
- result = ucol_collatorToIdentifier(coll, locBuffer, status);
- ucol_close(coll);
- } else { // forceDefaults == TRUE
- result = ucol_sit_putLocaleInIdentifier(result, locBuffer, status);
-
- for(i = 0; i < sizeof(attributesToBits)/sizeof(attributesToBits[0]); i++) {
- attrValue = s.options[i];
- j = 0;
- while(attributesToBits[i].values[j] != attrValue) {
- j++;
- }
- result |= (j & ((1 << attributesToBits[i].width) - 1)) << attributesToBits[i].offset;
- }
-
- }
- return result;
-
-}
-
U_CAPI UColAttributeValue U_EXPORT2
ucol_getAttributeOrDefault(const UCollator *coll, UColAttribute attr, UErrorCode *status)
{
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