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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