1 /**
2 *******************************************************************************
3 * Copyright (C) 2001-2004, International Business Machines Corporation and *
4 * others. All Rights Reserved. *
5 *******************************************************************************
6 *
7 *******************************************************************************
8 */
9 #include "unicode/utypes.h"
10
11 #if !UCONFIG_NO_SERVICE
12
13 #include "unicode/resbund.h"
14 #include "uresimp.h"
15 #include "cmemory.h"
16 #include "servloc.h"
17 #include "ustrfmt.h"
18 #include "uhash.h"
19 #include "charstr.h"
20 #include "ucln_cmn.h"
21 #include "uassert.h"
22
23 #define UNDERSCORE_CHAR ((UChar)0x005f)
24 #define AT_SIGN_CHAR ((UChar)64)
25 #define PERIOD_CHAR ((UChar)46)
26
27 U_NAMESPACE_BEGIN
28
29 LocaleKey*
createWithCanonicalFallback(const UnicodeString * primaryID,const UnicodeString * canonicalFallbackID,UErrorCode & status)30 LocaleKey::createWithCanonicalFallback(const UnicodeString* primaryID,
31 const UnicodeString* canonicalFallbackID,
32 UErrorCode& status)
33 {
34 return LocaleKey::createWithCanonicalFallback(primaryID, canonicalFallbackID, KIND_ANY, status);
35 }
36
37 LocaleKey*
createWithCanonicalFallback(const UnicodeString * primaryID,const UnicodeString * canonicalFallbackID,int32_t kind,UErrorCode & status)38 LocaleKey::createWithCanonicalFallback(const UnicodeString* primaryID,
39 const UnicodeString* canonicalFallbackID,
40 int32_t kind,
41 UErrorCode& status)
42 {
43 if (primaryID == NULL || U_FAILURE(status)) {
44 return NULL;
45 }
46 UnicodeString canonicalPrimaryID;
47 LocaleUtility::canonicalLocaleString(primaryID, canonicalPrimaryID);
48 return new LocaleKey(*primaryID, canonicalPrimaryID, canonicalFallbackID, kind);
49 }
50
LocaleKey(const UnicodeString & primaryID,const UnicodeString & canonicalPrimaryID,const UnicodeString * canonicalFallbackID,int32_t kind)51 LocaleKey::LocaleKey(const UnicodeString& primaryID,
52 const UnicodeString& canonicalPrimaryID,
53 const UnicodeString* canonicalFallbackID,
54 int32_t kind)
55 : ICUServiceKey(primaryID)
56 , _kind(kind)
57 , _primaryID(canonicalPrimaryID)
58 , _fallbackID()
59 , _currentID()
60 {
61 _fallbackID.setToBogus();
62 if (_primaryID.length() != 0) {
63 if (canonicalFallbackID != NULL && _primaryID != *canonicalFallbackID) {
64 _fallbackID = *canonicalFallbackID;
65 }
66 }
67
68 _currentID = _primaryID;
69 }
70
~LocaleKey()71 LocaleKey::~LocaleKey() {}
72
73 UnicodeString&
prefix(UnicodeString & result) const74 LocaleKey::prefix(UnicodeString& result) const {
75 if (_kind != KIND_ANY) {
76 UChar buffer[64];
77 uprv_itou(buffer, 64, _kind, 10, 0);
78 UnicodeString temp(buffer);
79 result.append(temp);
80 }
81 return result;
82 }
83
84 int32_t
kind() const85 LocaleKey::kind() const {
86 return _kind;
87 }
88
89 UnicodeString&
canonicalID(UnicodeString & result) const90 LocaleKey::canonicalID(UnicodeString& result) const {
91 return result.append(_primaryID);
92 }
93
94 UnicodeString&
currentID(UnicodeString & result) const95 LocaleKey::currentID(UnicodeString& result) const {
96 if (!_currentID.isBogus()) {
97 result.append(_currentID);
98 }
99 return result;
100 }
101
102 UnicodeString&
currentDescriptor(UnicodeString & result) const103 LocaleKey::currentDescriptor(UnicodeString& result) const {
104 if (!_currentID.isBogus()) {
105 prefix(result).append(PREFIX_DELIMITER).append(_currentID);
106 } else {
107 result.setToBogus();
108 }
109 return result;
110 }
111
112 Locale&
canonicalLocale(Locale & result) const113 LocaleKey::canonicalLocale(Locale& result) const {
114 return LocaleUtility::initLocaleFromName(_primaryID, result);
115 }
116
117 Locale&
currentLocale(Locale & result) const118 LocaleKey::currentLocale(Locale& result) const {
119 return LocaleUtility::initLocaleFromName(_currentID, result);
120 }
121
122 UBool
fallback()123 LocaleKey::fallback() {
124 if (!_currentID.isBogus()) {
125 int x = _currentID.lastIndexOf(UNDERSCORE_CHAR);
126 if (x != -1) {
127 _currentID.remove(x); // truncate current or fallback, whichever we're pointing to
128 return TRUE;
129 }
130
131 if (!_fallbackID.isBogus()) {
132 _currentID = _fallbackID;
133 _fallbackID.setToBogus();
134 return TRUE;
135 }
136
137 if (_currentID.length() > 0) {
138 _currentID.remove(0); // completely truncate
139 return TRUE;
140 }
141
142 _currentID.setToBogus();
143 }
144
145 return FALSE;
146 }
147
148 UBool
isFallbackOf(const UnicodeString & id) const149 LocaleKey::isFallbackOf(const UnicodeString& id) const {
150 UnicodeString temp(id);
151 parseSuffix(temp);
152 return temp.indexOf(_primaryID) == 0 &&
153 (temp.length() == _primaryID.length() ||
154 temp.charAt(_primaryID.length()) == UNDERSCORE_CHAR);
155 }
156
157 #ifdef SERVICE_DEBUG
158 UnicodeString&
debug(UnicodeString & result) const159 LocaleKey::debug(UnicodeString& result) const
160 {
161 ICUServiceKey::debug(result);
162 result.append(" kind: ");
163 result.append(_kind);
164 result.append(" primaryID: ");
165 result.append(_primaryID);
166 result.append(" fallbackID: ");
167 result.append(_fallbackID);
168 result.append(" currentID: ");
169 result.append(_currentID);
170 return result;
171 }
172
173 UnicodeString&
debugClass(UnicodeString & result) const174 LocaleKey::debugClass(UnicodeString& result) const
175 {
176 return result.append("LocaleKey ");
177 }
178 #endif
179
180 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(LocaleKey)
181
182 U_NAMESPACE_END
183
184 /* !UCONFIG_NO_SERVICE */
185 #endif
186
187
188