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