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      1 /*
      2 ******************************************************************************
      3 *                                                                            *
      4 * Copyright (C) 2003-2015, 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 @stable ICU 4.8 */
     47     ULOCDATA_ES_INDEX=2,
     48     /** Punctuation set @stable ICU 51 */
     49     ULOCDATA_ES_PUNCTUATION=3,
     50     /** One higher than the last valid type @stable ICU 3.4 */
     51     ULOCDATA_ES_COUNT=4
     52 } ULocaleDataExemplarSetType;
     53 
     54 /** The possible types of delimiters.
     55   * @stable ICU 3.4
     56   */
     57 typedef enum ULocaleDataDelimiterType {
     58     /** Quotation start @stable ICU 3.4 */
     59     ULOCDATA_QUOTATION_START = 0,
     60     /** Quotation end @stable ICU 3.4 */
     61     ULOCDATA_QUOTATION_END = 1,
     62     /** Alternate quotation start @stable ICU 3.4 */
     63     ULOCDATA_ALT_QUOTATION_START = 2,
     64     /** Alternate quotation end @stable ICU 3.4 */
     65     ULOCDATA_ALT_QUOTATION_END = 3,
     66     /** One higher than the last valid type @stable ICU 3.4 */
     67     ULOCDATA_DELIMITER_COUNT = 4
     68 } ULocaleDataDelimiterType;
     69 
     70 /**
     71  * Opens a locale data object for the given locale
     72  *
     73  * @param localeID  Specifies the locale associated with this locale
     74  *                  data object.
     75  * @param status    Pointer to error status code.
     76  * @stable ICU 3.4
     77  */
     78 U_STABLE ULocaleData* U_EXPORT2
     79 ulocdata_open(const char *localeID, UErrorCode *status);
     80 
     81 /**
     82  * Closes a locale data object.
     83  *
     84  * @param uld       The locale data object to close
     85  * @stable ICU 3.4
     86  */
     87 U_STABLE void U_EXPORT2
     88 ulocdata_close(ULocaleData *uld);
     89 
     90 #if U_SHOW_CPLUSPLUS_API
     91 
     92 U_NAMESPACE_BEGIN
     93 
     94 /**
     95  * \class LocalULocaleDataPointer
     96  * "Smart pointer" class, closes a ULocaleData via ulocdata_close().
     97  * For most methods see the LocalPointerBase base class.
     98  *
     99  * @see LocalPointerBase
    100  * @see LocalPointer
    101  * @stable ICU 4.4
    102  */
    103 U_DEFINE_LOCAL_OPEN_POINTER(LocalULocaleDataPointer, ULocaleData, ulocdata_close);
    104 
    105 U_NAMESPACE_END
    106 
    107 #endif
    108 
    109 /**
    110  * Sets the "no Substitute" attribute of the locale data
    111  * object.  If true, then any methods associated with the
    112  * locale data object will return null when there is no
    113  * data available for that method, given the locale ID
    114  * supplied to ulocdata_open().
    115  *
    116  * @param uld       The locale data object to set.
    117  * @param setting   Value of the "no substitute" attribute.
    118  * @stable ICU 3.4
    119  */
    120 U_STABLE void U_EXPORT2
    121 ulocdata_setNoSubstitute(ULocaleData *uld, UBool setting);
    122 
    123 /**
    124  * Retrieves the current "no Substitute" value of the locale data
    125  * object.  If true, then any methods associated with the
    126  * locale data object will return null when there is no
    127  * data available for that method, given the locale ID
    128  * supplied to ulocdata_open().
    129  *
    130  * @param uld       Pointer to the The locale data object to set.
    131  * @return UBool    Value of the "no substitute" attribute.
    132  * @stable ICU 3.4
    133  */
    134 U_STABLE UBool U_EXPORT2
    135 ulocdata_getNoSubstitute(ULocaleData *uld);
    136 
    137 /**
    138  * Returns the set of exemplar characters for a locale.
    139  *
    140  * @param uld       Pointer to the locale data object from which the
    141  *                  exemplar character set is to be retrieved.
    142  * @param fillIn    Pointer to a USet object to receive the
    143  *                  exemplar character set for the given locale.  Previous
    144  *                  contents of fillIn are lost.  <em>If fillIn is NULL,
    145  *                  then a new USet is created and returned.  The caller
    146  *                  owns the result and must dispose of it by calling
    147  *                  uset_close.</em>
    148  * @param options   Bitmask for options to apply to the exemplar pattern.
    149  *                  Specify zero to retrieve the exemplar set as it is
    150  *                  defined in the locale data.  Specify
    151  *                  USET_CASE_INSENSITIVE to retrieve a case-folded
    152  *                  exemplar set.  See uset_applyPattern for a complete
    153  *                  list of valid options.  The USET_IGNORE_SPACE bit is
    154  *                  always set, regardless of the value of 'options'.
    155  * @param extype    Specifies the type of exemplar set to be retrieved.
    156  * @param status    Pointer to an input-output error code value;
    157  *                  must not be NULL.  Will be set to U_MISSING_RESOURCE_ERROR
    158  *                  if the requested data is not available.
    159  * @return USet*    Either fillIn, or if fillIn is NULL, a pointer to
    160  *                  a newly-allocated USet that the user must close.
    161  *                  In case of error, NULL is returned.
    162  * @stable ICU 3.4
    163  */
    164 U_STABLE USet* U_EXPORT2
    165 ulocdata_getExemplarSet(ULocaleData *uld, USet *fillIn,
    166                         uint32_t options, ULocaleDataExemplarSetType extype, UErrorCode *status);
    167 
    168 /**
    169  * Returns one of the delimiter strings associated with a locale.
    170  *
    171  * @param uld           Pointer to the locale data object from which the
    172  *                      delimiter string is to be retrieved.
    173  * @param type          the type of delimiter to be retrieved.
    174  * @param result        A pointer to a buffer to receive the result.
    175  * @param resultLength  The maximum size of result.
    176  * @param status        Pointer to an error code value
    177  * @return int32_t      The total buffer size needed; if greater than resultLength,
    178  *                      the output was truncated.
    179  * @stable ICU 3.4
    180  */
    181 U_STABLE int32_t U_EXPORT2
    182 ulocdata_getDelimiter(ULocaleData *uld, ULocaleDataDelimiterType type, UChar *result, int32_t resultLength, UErrorCode *status);
    183 
    184 /**
    185  * Enumeration for representing the measurement systems.
    186  * @stable ICU 2.8
    187  */
    188 typedef enum UMeasurementSystem {
    189     UMS_SI,     /**< Measurement system specified by SI otherwise known as Metric system. @stable ICU 2.8 */
    190     UMS_US,     /**< Measurement system followed in the United States of America. @stable ICU 2.8 */
    191     UMS_UK,     /**< Mix of metric and imperial units used in Great Britain. @stable ICU 55 */
    192     UMS_LIMIT
    193 } UMeasurementSystem;
    194 
    195 /**
    196  * Returns the measurement system used in the locale specified by the localeID.
    197  * Please note that this API will change in ICU 3.6 and will use an ulocdata object.
    198  *
    199  * @param localeID      The id of the locale for which the measurement system to be retrieved.
    200  * @param status        Must be a valid pointer to an error code value,
    201  *                      which must not indicate a failure before the function call.
    202  * @return UMeasurementSystem the measurement system used in the locale.
    203  * @stable ICU 2.8
    204  */
    205 U_STABLE UMeasurementSystem U_EXPORT2
    206 ulocdata_getMeasurementSystem(const char *localeID, UErrorCode *status);
    207 
    208 /**
    209  * Returns the element gives the normal business letter size, and customary units.
    210  * The units for the numbers are always in <em>milli-meters</em>.
    211  * For US since 8.5 and 11 do not yeild an integral value when converted to milli-meters,
    212  * the values are rounded off.
    213  * So for A4 size paper the height and width are 297 mm and 210 mm repectively,
    214  * and for US letter size the height and width are 279 mm and 216 mm respectively.
    215  * Please note that this API will change in ICU 3.6 and will use an ulocdata object.
    216  *
    217  * @param localeID      The id of the locale for which the paper size information to be retrieved.
    218  * @param height        A pointer to int to recieve the height information.
    219  * @param width         A pointer to int to recieve the width information.
    220  * @param status        Must be a valid pointer to an error code value,
    221  *                      which must not indicate a failure before the function call.
    222  * @stable ICU 2.8
    223  */
    224 U_STABLE void U_EXPORT2
    225 ulocdata_getPaperSize(const char *localeID, int32_t *height, int32_t *width, UErrorCode *status);
    226 
    227 /**
    228  * Return the current CLDR version used by the library.
    229  * @param versionArray fillin that will recieve the version number
    230  * @param status error code - could be U_MISSING_RESOURCE_ERROR if the version was not found.
    231  * @stable ICU 4.2
    232  */
    233 U_STABLE void U_EXPORT2
    234 ulocdata_getCLDRVersion(UVersionInfo versionArray, UErrorCode *status);
    235 
    236 /**
    237  * Returns locale display pattern associated with a locale.
    238  *
    239  * @param uld       Pointer to the locale data object from which the
    240  *                  exemplar character set is to be retrieved.
    241  * @param pattern   locale display pattern for locale.
    242  * @param patternCapacity the size of the buffer to store the locale display
    243  *                  pattern with.
    244  * @param status    Must be a valid pointer to an error code value,
    245  *                  which must not indicate a failure before the function call.
    246  * @return the actual buffer size needed for localeDisplayPattern.  If it's greater
    247  * than patternCapacity, the returned pattern will be truncated.
    248  *
    249  * @stable ICU 4.2
    250  */
    251 U_STABLE int32_t U_EXPORT2
    252 ulocdata_getLocaleDisplayPattern(ULocaleData *uld,
    253                                  UChar *pattern,
    254                                  int32_t patternCapacity,
    255                                  UErrorCode *status);
    256 
    257 
    258 /**
    259  * Returns locale separator associated with a locale.
    260  *
    261  * @param uld       Pointer to the locale data object from which the
    262  *                  exemplar character set is to be retrieved.
    263  * @param separator locale separator for locale.
    264  * @param separatorCapacity the size of the buffer to store the locale
    265  *                  separator with.
    266  * @param status    Must be a valid pointer to an error code value,
    267  *                  which must not indicate a failure before the function call.
    268  * @return the actual buffer size needed for localeSeparator.  If it's greater
    269  * than separatorCapacity, the returned separator will be truncated.
    270  *
    271  * @stable ICU 4.2
    272  */
    273 U_STABLE int32_t U_EXPORT2
    274 ulocdata_getLocaleSeparator(ULocaleData *uld,
    275                             UChar *separator,
    276                             int32_t separatorCapacity,
    277                             UErrorCode *status);
    278 #endif
    279