1 /* 2 ****************************************************************************** 3 * * 4 * Copyright (C) 2003-2011, International Business Machines * 5 * Corporation and others. All Rights Reserved. * 6 * * 7 ****************************************************************************** 8 * file name: ulocdata.h 9 * encoding: US-ASCII 10 * tab size: 8 (not used) 11 * indentation:4 12 * 13 * created on: 2003Oct21 14 * created by: Ram Viswanadha 15 */ 16 17 #ifndef __ULOCDATA_H__ 18 #define __ULOCDATA_H__ 19 20 #include "unicode/ures.h" 21 #include "unicode/uloc.h" 22 #include "unicode/uset.h" 23 #include "unicode/localpointer.h" 24 25 /** 26 * \file 27 * \brief C API: Provides access to locale data. 28 */ 29 30 /** Forward declaration of the ULocaleData structure. @stable ICU 3.6 */ 31 struct ULocaleData; 32 33 /** A locale data object. @stable ICU 3.6 */ 34 typedef struct ULocaleData ULocaleData; 35 36 37 38 /** The possible types of exemplar character sets. 39 * @stable ICU 3.4 40 */ 41 typedef enum ULocaleDataExemplarSetType { 42 /** Basic set @stable ICU 3.4 */ 43 ULOCDATA_ES_STANDARD=0, 44 /** Auxiliary set @stable ICU 3.4 */ 45 ULOCDATA_ES_AUXILIARY=1, 46 /** Index Character set @draft ICU 4.8 */ 47 ULOCDATA_ES_INDEX=2, 48 /** One higher than the last valid type @stable ICU 3.4 */ 49 ULOCDATA_ES_COUNT=3 50 } ULocaleDataExemplarSetType; 51 52 /** The possible types of delimiters. 53 * @stable ICU 3.4 54 */ 55 typedef enum ULocaleDataDelimiterType { 56 /** Quotation start @stable ICU 3.4 */ 57 ULOCDATA_QUOTATION_START = 0, 58 /** Quotation end @stable ICU 3.4 */ 59 ULOCDATA_QUOTATION_END = 1, 60 /** Alternate quotation start @stable ICU 3.4 */ 61 ULOCDATA_ALT_QUOTATION_START = 2, 62 /** Alternate quotation end @stable ICU 3.4 */ 63 ULOCDATA_ALT_QUOTATION_END = 3, 64 /** One higher than the last valid type @stable ICU 3.4 */ 65 ULOCDATA_DELIMITER_COUNT = 4 66 } ULocaleDataDelimiterType; 67 68 /** 69 * Opens a locale data object for the given locale 70 * 71 * @param localeID Specifies the locale associated with this locale 72 * data object. 73 * @param status Pointer to error status code. 74 * @stable ICU 3.4 75 */ 76 U_STABLE ULocaleData* U_EXPORT2 77 ulocdata_open(const char *localeID, UErrorCode *status); 78 79 /** 80 * Closes a locale data object. 81 * 82 * @param uld The locale data object to close 83 * @stable ICU 3.4 84 */ 85 U_STABLE void U_EXPORT2 86 ulocdata_close(ULocaleData *uld); 87 88 #if U_SHOW_CPLUSPLUS_API 89 90 U_NAMESPACE_BEGIN 91 92 /** 93 * \class LocalULocaleDataPointer 94 * "Smart pointer" class, closes a ULocaleData via ulocdata_close(). 95 * For most methods see the LocalPointerBase base class. 96 * 97 * @see LocalPointerBase 98 * @see LocalPointer 99 * @stable ICU 4.4 100 */ 101 U_DEFINE_LOCAL_OPEN_POINTER(LocalULocaleDataPointer, ULocaleData, ulocdata_close); 102 103 U_NAMESPACE_END 104 105 #endif 106 107 /** 108 * Sets the "no Substitute" attribute of the locale data 109 * object. If true, then any methods associated with the 110 * locale data object will return null when there is no 111 * data available for that method, given the locale ID 112 * supplied to ulocdata_open(). 113 * 114 * @param uld The locale data object to set. 115 * @param setting Value of the "no substitute" attribute. 116 * @stable ICU 3.4 117 */ 118 U_STABLE void U_EXPORT2 119 ulocdata_setNoSubstitute(ULocaleData *uld, UBool setting); 120 121 /** 122 * Retrieves the current "no Substitute" value of the locale data 123 * object. If true, then any methods associated with the 124 * locale data object will return null when there is no 125 * data available for that method, given the locale ID 126 * supplied to ulocdata_open(). 127 * 128 * @param uld Pointer to the The locale data object to set. 129 * @return UBool Value of the "no substitute" attribute. 130 * @stable ICU 3.4 131 */ 132 U_STABLE UBool U_EXPORT2 133 ulocdata_getNoSubstitute(ULocaleData *uld); 134 135 /** 136 * Returns the set of exemplar characters for a locale. 137 * 138 * @param uld Pointer to the locale data object from which the 139 * exemplar character set is to be retrieved. 140 * @param fillIn Pointer to a USet object to receive the 141 * exemplar character set for the given locale. Previous 142 * contents of fillIn are lost. <em>If fillIn is NULL, 143 * then a new USet is created and returned. The caller 144 * owns the result and must dispose of it by calling 145 * uset_close.</em> 146 * @param options Bitmask for options to apply to the exemplar pattern. 147 * Specify zero to retrieve the exemplar set as it is 148 * defined in the locale data. Specify 149 * USET_CASE_INSENSITIVE to retrieve a case-folded 150 * exemplar set. See uset_applyPattern for a complete 151 * list of valid options. The USET_IGNORE_SPACE bit is 152 * always set, regardless of the value of 'options'. 153 * @param extype Specifies the type of exemplar set to be retrieved. 154 * @param status Pointer to an input-output error code value; 155 * must not be NULL. Will be set to U_MISSING_RESOURCE_ERROR 156 * if the requested data is not available. 157 * @return USet* Either fillIn, or if fillIn is NULL, a pointer to 158 * a newly-allocated USet that the user must close. 159 * In case of error, NULL is returned. 160 * @stable ICU 3.4 161 */ 162 U_STABLE USet* U_EXPORT2 163 ulocdata_getExemplarSet(ULocaleData *uld, USet *fillIn, 164 uint32_t options, ULocaleDataExemplarSetType extype, UErrorCode *status); 165 166 /** 167 * Returns one of the delimiter strings associated with a locale. 168 * 169 * @param uld Pointer to the locale data object from which the 170 * delimiter string is to be retrieved. 171 * @param type the type of delimiter to be retrieved. 172 * @param result A pointer to a buffer to receive the result. 173 * @param resultLength The maximum size of result. 174 * @param status Pointer to an error code value 175 * @return int32_t The total buffer size needed; if greater than resultLength, 176 * the output was truncated. 177 * @stable ICU 3.4 178 */ 179 U_STABLE int32_t U_EXPORT2 180 ulocdata_getDelimiter(ULocaleData *uld, ULocaleDataDelimiterType type, UChar *result, int32_t resultLength, UErrorCode *status); 181 182 /** 183 * Enumeration for representing the measurement systems. 184 * @stable ICU 2.8 185 */ 186 typedef enum UMeasurementSystem { 187 UMS_SI, /** Measurement system specified by SI otherwise known as Metric system. */ 188 UMS_US, /** Measurement system followed in the United States of America. */ 189 UMS_LIMIT 190 } UMeasurementSystem; 191 192 /** 193 * Returns the measurement system used in the locale specified by the localeID. 194 * Please note that this API will change in ICU 3.6 and will use an ulocdata object. 195 * 196 * @param localeID The id of the locale for which the measurement system to be retrieved. 197 * @param status Must be a valid pointer to an error code value, 198 * which must not indicate a failure before the function call. 199 * @return UMeasurementSystem the measurement system used in the locale. 200 * @stable ICU 2.8 201 */ 202 U_STABLE UMeasurementSystem U_EXPORT2 203 ulocdata_getMeasurementSystem(const char *localeID, UErrorCode *status); 204 205 /** 206 * Returns the element gives the normal business letter size, and customary units. 207 * The units for the numbers are always in <em>milli-meters</em>. 208 * For US since 8.5 and 11 do not yeild an integral value when converted to milli-meters, 209 * the values are rounded off. 210 * So for A4 size paper the height and width are 297 mm and 210 mm repectively, 211 * and for US letter size the height and width are 279 mm and 216 mm respectively. 212 * Please note that this API will change in ICU 3.6 and will use an ulocdata object. 213 * 214 * @param localeID The id of the locale for which the paper size information to be retrieved. 215 * @param height A pointer to int to recieve the height information. 216 * @param width A pointer to int to recieve the width information. 217 * @param status Must be a valid pointer to an error code value, 218 * which must not indicate a failure before the function call. 219 * @stable ICU 2.8 220 */ 221 U_STABLE void U_EXPORT2 222 ulocdata_getPaperSize(const char *localeID, int32_t *height, int32_t *width, UErrorCode *status); 223 224 /** 225 * Return the current CLDR version used by the library. 226 * @param versionArray fillin that will recieve the version number 227 * @param status error code - could be U_MISSING_RESOURCE_ERROR if the version was not found. 228 * @stable ICU 4.2 229 */ 230 U_STABLE void U_EXPORT2 231 ulocdata_getCLDRVersion(UVersionInfo versionArray, UErrorCode *status); 232 233 /** 234 * Returns locale display pattern associated with a locale. 235 * 236 * @param uld Pointer to the locale data object from which the 237 * exemplar character set is to be retrieved. 238 * @param pattern locale display pattern for locale. 239 * @param patternCapacity the size of the buffer to store the locale display 240 * pattern with. 241 * @param status Must be a valid pointer to an error code value, 242 * which must not indicate a failure before the function call. 243 * @return the actual buffer size needed for localeDisplayPattern. If it's greater 244 * than patternCapacity, the returned pattern will be truncated. 245 * 246 * @stable ICU 4.2 247 */ 248 U_STABLE int32_t U_EXPORT2 249 ulocdata_getLocaleDisplayPattern(ULocaleData *uld, 250 UChar *pattern, 251 int32_t patternCapacity, 252 UErrorCode *status); 253 254 255 /** 256 * Returns locale separator associated with a locale. 257 * 258 * @param uld Pointer to the locale data object from which the 259 * exemplar character set is to be retrieved. 260 * @param separator locale separator for locale. 261 * @param separatorCapacity the size of the buffer to store the locale 262 * separator with. 263 * @param status Must be a valid pointer to an error code value, 264 * which must not indicate a failure before the function call. 265 * @return the actual buffer size needed for localeSeparator. If it's greater 266 * than separatorCapacity, the returned separator will be truncated. 267 * 268 * @stable ICU 4.2 269 */ 270 U_STABLE int32_t U_EXPORT2 271 ulocdata_getLocaleSeparator(ULocaleData *uld, 272 UChar *separator, 273 int32_t separatorCapacity, 274 UErrorCode *status); 275 #endif 276