1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /**
4 *******************************************************************************
5 * Copyright (C) 2001-2014, International Business Machines Corporation and *
6 * others. All Rights Reserved. *
7 *******************************************************************************
8 *
9 *******************************************************************************
10 */
11 #include "unicode/utypes.h"
12
13 #if !UCONFIG_NO_SERVICE
14
15 #include "unicode/resbund.h"
16 #include "uresimp.h"
17 #include "cmemory.h"
18 #include "servloc.h"
19 #include "ustrfmt.h"
20 #include "uhash.h"
21 #include "charstr.h"
22 #include "ucln_cmn.h"
23 #include "uassert.h"
24
25 #define UNDERSCORE_CHAR ((UChar)0x005f)
26 #define AT_SIGN_CHAR ((UChar)64)
27 #define PERIOD_CHAR ((UChar)46)
28
29
30 U_NAMESPACE_BEGIN
31
LocaleKeyFactory(int32_t coverage)32 LocaleKeyFactory::LocaleKeyFactory(int32_t coverage)
33 : _name()
34 , _coverage(coverage)
35 {
36 }
37
LocaleKeyFactory(int32_t coverage,const UnicodeString & name)38 LocaleKeyFactory::LocaleKeyFactory(int32_t coverage, const UnicodeString& name)
39 : _name(name)
40 , _coverage(coverage)
41 {
42 }
43
~LocaleKeyFactory()44 LocaleKeyFactory::~LocaleKeyFactory() {
45 }
46
47 UObject*
create(const ICUServiceKey & key,const ICUService * service,UErrorCode & status) const48 LocaleKeyFactory::create(const ICUServiceKey& key, const ICUService* service, UErrorCode& status) const {
49 if (handlesKey(key, status)) {
50 const LocaleKey& lkey = (const LocaleKey&)key;
51 int32_t kind = lkey.kind();
52 Locale loc;
53 lkey.currentLocale(loc);
54
55 return handleCreate(loc, kind, service, status);
56 }
57 return NULL;
58 }
59
60 UBool
handlesKey(const ICUServiceKey & key,UErrorCode & status) const61 LocaleKeyFactory::handlesKey(const ICUServiceKey& key, UErrorCode& status) const {
62 const Hashtable* supported = getSupportedIDs(status);
63 if (supported) {
64 UnicodeString id;
65 key.currentID(id);
66 return supported->get(id) != NULL;
67 }
68 return FALSE;
69 }
70
71 void
updateVisibleIDs(Hashtable & result,UErrorCode & status) const72 LocaleKeyFactory::updateVisibleIDs(Hashtable& result, UErrorCode& status) const {
73 const Hashtable* supported = getSupportedIDs(status);
74 if (supported) {
75 UBool visible = (_coverage & 0x1) == 0;
76 const UHashElement* elem = NULL;
77 int32_t pos = UHASH_FIRST;
78 while ((elem = supported->nextElement(pos)) != NULL) {
79 const UnicodeString& id = *((const UnicodeString*)elem->key.pointer);
80 if (!visible) {
81 result.remove(id);
82 } else {
83 result.put(id, (void*)this, status); // this is dummy non-void marker used for set semantics
84 if (U_FAILURE(status)) {
85 break;
86 }
87 }
88 }
89 }
90 }
91
92 UnicodeString&
getDisplayName(const UnicodeString & id,const Locale & locale,UnicodeString & result) const93 LocaleKeyFactory::getDisplayName(const UnicodeString& id, const Locale& locale, UnicodeString& result) const {
94 if ((_coverage & 0x1) == 0) {
95 //UErrorCode status = U_ZERO_ERROR;
96 // assume if this is called on us, we support some fallback of this id
97 // if (isSupportedID(id, status)) {
98 Locale loc;
99 LocaleUtility::initLocaleFromName(id, loc);
100 return loc.getDisplayName(locale, result);
101 // }
102 }
103 result.setToBogus();
104 return result;
105 }
106
107 UObject*
handleCreate(const Locale &,int32_t,const ICUService *,UErrorCode &) const108 LocaleKeyFactory::handleCreate(const Locale& /* loc */,
109 int32_t /* kind */,
110 const ICUService* /* service */,
111 UErrorCode& /* status */) const {
112 return NULL;
113 }
114
115 //UBool
116 //LocaleKeyFactory::isSupportedID(const UnicodeString& id, UErrorCode& status) const {
117 // const Hashtable* ids = getSupportedIDs(status);
118 // return ids && ids->get(id);
119 //}
120
121 const Hashtable*
getSupportedIDs(UErrorCode &) const122 LocaleKeyFactory::getSupportedIDs(UErrorCode& /* status */) const {
123 return NULL;
124 }
125
126 #ifdef SERVICE_DEBUG
127 UnicodeString&
debug(UnicodeString & result) const128 LocaleKeyFactory::debug(UnicodeString& result) const
129 {
130 debugClass(result);
131 result.append((UnicodeString)", name: ");
132 result.append(_name);
133 result.append((UnicodeString)", coverage: ");
134 result.append(_coverage);
135 return result;
136 }
137
138 UnicodeString&
debugClass(UnicodeString & result) const139 LocaleKeyFactory::debugClass(UnicodeString& result) const
140 {
141 return result.append((UnicodeString)"LocaleKeyFactory");
142 }
143 #endif
144
145 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(LocaleKeyFactory)
146
147 U_NAMESPACE_END
148
149 /* !UCONFIG_NO_SERVICE */
150 #endif
151
152
153