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      1 /*
      2 ******************************************************************************
      3 *                                                                            *
      4 * Copyright (C) 2003-2012, 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     /** 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