• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2 ******************************************************************************
3 *                                                                            *
4 * Copyright (C) 2003-2010, 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      ULOCDATA_ES_STANDARD=0,      /* Basic set */
43      ULOCDATA_ES_AUXILIARY=1,     /* Auxiliary set */
44      ULOCDATA_ES_COUNT=2
45 } ULocaleDataExemplarSetType;
46 
47 /** The possible types of delimiters.
48   * @stable ICU 3.4
49   */
50 typedef enum ULocaleDataDelimiterType {
51     ULOCDATA_QUOTATION_START = 0,     /* Quotation start */
52      ULOCDATA_QUOTATION_END = 1,       /* Quotation end */
53      ULOCDATA_ALT_QUOTATION_START = 2, /* Alternate quotation start */
54      ULOCDATA_ALT_QUOTATION_END = 3,   /* Alternate quotation end */
55      ULOCDATA_DELIMITER_COUNT = 4
56 } ULocaleDataDelimiterType;
57 
58 /**
59  * Opens a locale data object for the given locale
60  *
61  * @param localeID  Specifies the locale associated with this locale
62  *                  data object.
63  * @param status    Pointer to error status code.
64  * @stable ICU 3.4
65  */
66 U_STABLE ULocaleData* U_EXPORT2
67 ulocdata_open(const char *localeID, UErrorCode *status);
68 
69 /**
70  * Closes a locale data object.
71  *
72  * @param uld       The locale data object to close
73  * @stable ICU 3.4
74  */
75 U_STABLE void U_EXPORT2
76 ulocdata_close(ULocaleData *uld);
77 
78 #if U_SHOW_CPLUSPLUS_API
79 
80 U_NAMESPACE_BEGIN
81 
82 /**
83  * \class LocalULocaleDataPointer
84  * "Smart pointer" class, closes a ULocaleData via ulocdata_close().
85  * For most methods see the LocalPointerBase base class.
86  *
87  * @see LocalPointerBase
88  * @see LocalPointer
89  * @stable ICU 4.4
90  */
91 U_DEFINE_LOCAL_OPEN_POINTER(LocalULocaleDataPointer, ULocaleData, ulocdata_close);
92 
93 U_NAMESPACE_END
94 
95 #endif
96 
97 /**
98  * Sets the "no Substitute" attribute of the locale data
99  * object.  If true, then any methods associated with the
100  * locale data object will return null when there is no
101  * data available for that method, given the locale ID
102  * supplied to ulocdata_open().
103  *
104  * @param uld       The locale data object to set.
105  * @param setting   Value of the "no substitute" attribute.
106  * @stable ICU 3.4
107  */
108 U_STABLE void U_EXPORT2
109 ulocdata_setNoSubstitute(ULocaleData *uld, UBool setting);
110 
111 /**
112  * Retrieves the current "no Substitute" value of the locale data
113  * object.  If true, then any methods associated with the
114  * locale data object will return null when there is no
115  * data available for that method, given the locale ID
116  * supplied to ulocdata_open().
117  *
118  * @param uld       Pointer to the The locale data object to set.
119  * @return UBool    Value of the "no substitute" attribute.
120  * @stable ICU 3.4
121  */
122 U_STABLE UBool U_EXPORT2
123 ulocdata_getNoSubstitute(ULocaleData *uld);
124 
125 /**
126  * Returns the set of exemplar characters for a locale.
127  *
128  * @param uld       Pointer to the locale data object from which the
129  *                  exemplar character set is to be retrieved.
130  * @param fillIn    Pointer to a USet object to receive the
131  *                  exemplar character set for the given locale.  Previous
132  *                  contents of fillIn are lost.  <em>If fillIn is NULL,
133  *                  then a new USet is created and returned.  The caller
134  *                  owns the result and must dispose of it by calling
135  *                  uset_close.</em>
136  * @param options   Bitmask for options to apply to the exemplar pattern.
137  *                  Specify zero to retrieve the exemplar set as it is
138  *                  defined in the locale data.  Specify
139  *                  USET_CASE_INSENSITIVE to retrieve a case-folded
140  *                  exemplar set.  See uset_applyPattern for a complete
141  *                  list of valid options.  The USET_IGNORE_SPACE bit is
142  *                  always set, regardless of the value of 'options'.
143  * @param extype    Specifies the type of exemplar set to be retrieved.
144  * @param status    Pointer to an input-output error code value;
145  *                  must not be NULL.
146  * @return USet*    Either fillIn, or if fillIn is NULL, a pointer to
147  *                  a newly-allocated USet that the user must close.
148  * @stable ICU 3.4
149  */
150 U_STABLE USet* U_EXPORT2
151 ulocdata_getExemplarSet(ULocaleData *uld, USet *fillIn,
152                         uint32_t options, ULocaleDataExemplarSetType extype, UErrorCode *status);
153 
154 /**
155  * Returns one of the delimiter strings associated with a locale.
156  *
157  * @param uld           Pointer to the locale data object from which the
158  *                      delimiter string is to be retrieved.
159  * @param type          the type of delimiter to be retrieved.
160  * @param result        A pointer to a buffer to receive the result.
161  * @param resultLength  The maximum size of result.
162  * @param status        Pointer to an error code value
163  * @return int32_t      The total buffer size needed; if greater than resultLength,
164  *                      the output was truncated.
165  * @stable ICU 3.4
166  */
167 U_STABLE int32_t U_EXPORT2
168 ulocdata_getDelimiter(ULocaleData *uld, ULocaleDataDelimiterType type, UChar *result, int32_t resultLength, UErrorCode *status);
169 
170 /**
171  * Enumeration for representing the measurement systems.
172  * @stable ICU 2.8
173  */
174 typedef enum UMeasurementSystem {
175     UMS_SI,     /** Measurement system specified by SI otherwise known as Metric system. */
176     UMS_US,     /** Measurement system followed in the United States of America. */
177     UMS_LIMIT
178 } UMeasurementSystem;
179 
180 /**
181  * Returns the measurement system used in the locale specified by the localeID.
182  * Please note that this API will change in ICU 3.6 and will use an ulocdata object.
183  *
184  * @param localeID      The id of the locale for which the measurement system to be retrieved.
185  * @param status        Must be a valid pointer to an error code value,
186  *                      which must not indicate a failure before the function call.
187  * @return UMeasurementSystem the measurement system used in the locale.
188  * @stable ICU 2.8
189  */
190 U_STABLE UMeasurementSystem U_EXPORT2
191 ulocdata_getMeasurementSystem(const char *localeID, UErrorCode *status);
192 
193 /**
194  * Returns the element gives the normal business letter size, and customary units.
195  * The units for the numbers are always in <em>milli-meters</em>.
196  * For US since 8.5 and 11 do not yeild an integral value when converted to milli-meters,
197  * the values are rounded off.
198  * So for A4 size paper the height and width are 297 mm and 210 mm repectively,
199  * and for US letter size the height and width are 279 mm and 216 mm respectively.
200  * Please note that this API will change in ICU 3.6 and will use an ulocdata object.
201  *
202  * @param localeID      The id of the locale for which the paper size information to be retrieved.
203  * @param height        A pointer to int to recieve the height information.
204  * @param width         A pointer to int to recieve the width information.
205  * @param status        Must be a valid pointer to an error code value,
206  *                      which must not indicate a failure before the function call.
207  * @stable ICU 2.8
208  */
209 U_STABLE void U_EXPORT2
210 ulocdata_getPaperSize(const char *localeID, int32_t *height, int32_t *width, UErrorCode *status);
211 
212 /**
213  * Return the current CLDR version used by the library.
214  * @param versionArray fillin that will recieve the version number
215  * @param status error code - could be U_MISSING_RESOURCE_ERROR if the version was not found.
216  * @stable ICU 4.2
217  */
218 U_STABLE void U_EXPORT2
219 ulocdata_getCLDRVersion(UVersionInfo versionArray, UErrorCode *status);
220 
221 /**
222  * Returns locale display pattern associated with a locale.
223  *
224  * @param uld       Pointer to the locale data object from which the
225  *                  exemplar character set is to be retrieved.
226  * @param pattern   locale display pattern for locale.
227  * @param patternCapacity the size of the buffer to store the locale display
228  *                  pattern with.
229  * @param status    Must be a valid pointer to an error code value,
230  *                  which must not indicate a failure before the function call.
231  * @return the actual buffer size needed for localeDisplayPattern.  If it's greater
232  * than patternCapacity, the returned pattern will be truncated.
233  *
234  * @stable ICU 4.2
235  */
236 U_STABLE int32_t U_EXPORT2
237 ulocdata_getLocaleDisplayPattern(ULocaleData *uld,
238                                  UChar *pattern,
239                                  int32_t patternCapacity,
240                                  UErrorCode *status);
241 
242 
243 /**
244  * Returns locale separator associated with a locale.
245  *
246  * @param uld       Pointer to the locale data object from which the
247  *                  exemplar character set is to be retrieved.
248  * @param separator locale separator for locale.
249  * @param separatorCapacity the size of the buffer to store the locale
250  *                  separator with.
251  * @param status    Must be a valid pointer to an error code value,
252  *                  which must not indicate a failure before the function call.
253  * @return the actual buffer size needed for localeSeparator.  If it's greater
254  * than separatorCapacity, the returned separator will be truncated.
255  *
256  * @stable ICU 4.2
257  */
258 U_STABLE int32_t U_EXPORT2
259 ulocdata_getLocaleSeparator(ULocaleData *uld,
260                             UChar *separator,
261                             int32_t separatorCapacity,
262                             UErrorCode *status);
263 #endif
264