1/**
2 *******************************************************************************
3 * Copyright (C) 2001-2005, 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
28U_NAMESPACE_BEGIN
29
30LocaleKeyFactory::LocaleKeyFactory(int32_t coverage)
31  : _name()
32  , _coverage(coverage)
33{
34}
35
36LocaleKeyFactory::LocaleKeyFactory(int32_t coverage, const UnicodeString& name)
37  : _name(name)
38  , _coverage(coverage)
39{
40}
41
42LocaleKeyFactory::~LocaleKeyFactory() {
43}
44
45UObject*
46LocaleKeyFactory::create(const ICUServiceKey& key, const ICUService* service, UErrorCode& status) const {
47    if (handlesKey(key, status)) {
48        const LocaleKey& lkey = (const LocaleKey&)key;
49        int32_t kind = lkey.kind();
50        Locale loc;
51        lkey.currentLocale(loc);
52
53        return handleCreate(loc, kind, service, status);
54    }
55    return NULL;
56}
57
58UBool
59LocaleKeyFactory::handlesKey(const ICUServiceKey& key, UErrorCode& status) const {
60    const Hashtable* supported = getSupportedIDs(status);
61    if (supported) {
62        UnicodeString id;
63        key.currentID(id);
64        return supported->get(id) != NULL;
65    }
66    return FALSE;
67}
68
69void
70LocaleKeyFactory::updateVisibleIDs(Hashtable& result, UErrorCode& status) const {
71    const Hashtable* supported = getSupportedIDs(status);
72    if (supported) {
73        UBool visible = (_coverage & 0x1) == 0;
74
75        const UHashElement* elem = NULL;
76        int32_t pos = 0;
77        while ((elem = supported->nextElement(pos)) != NULL) {
78            const UnicodeString& id = *((const UnicodeString*)elem->key.pointer);
79            if (!visible) {
80                result.remove(id);
81            } else {
82                result.put(id, (void*)this, status); // this is dummy non-void marker used for set semantics
83                if (U_FAILURE(status)) {
84                    break;
85                }
86            }
87        }
88    }
89}
90
91UnicodeString&
92LocaleKeyFactory::getDisplayName(const UnicodeString& id, const Locale& locale, UnicodeString& result) const {
93    if ((_coverage & 0x1) == 0) {
94        //UErrorCode status = U_ZERO_ERROR;
95        // assume if this is called on us, we support some fallback of this id
96        // if (isSupportedID(id, status)) {
97            Locale loc;
98            LocaleUtility::initLocaleFromName(id, loc);
99            return loc.getDisplayName(locale, result);
100        // }
101    }
102    result.setToBogus();
103    return result;
104}
105
106UObject*
107LocaleKeyFactory::handleCreate(const Locale& /* loc */,
108                   int32_t /* kind */,
109                   const ICUService* /* service */,
110                   UErrorCode& /* status */) const {
111    return NULL;
112}
113
114//UBool
115//LocaleKeyFactory::isSupportedID(const UnicodeString& id, UErrorCode& status) const {
116//    const Hashtable* ids = getSupportedIDs(status);
117//    return ids && ids->get(id);
118//}
119
120const Hashtable*
121LocaleKeyFactory::getSupportedIDs(UErrorCode& /* status */) const {
122    return NULL;
123}
124
125#ifdef SERVICE_DEBUG
126UnicodeString&
127LocaleKeyFactory::debug(UnicodeString& result) const
128{
129    debugClass(result);
130    result.append(", name: ");
131    result.append(_name);
132    result.append(", coverage: ");
133    result.append(_coverage);
134    return result;
135}
136
137UnicodeString&
138LocaleKeyFactory::debugClass(UnicodeString& result) const
139{
140  return result.append("LocaleKeyFactory");
141}
142#endif
143
144UOBJECT_DEFINE_RTTI_IMPLEMENTATION(LocaleKeyFactory)
145
146U_NAMESPACE_END
147
148/* !UCONFIG_NO_SERVICE */
149#endif
150
151
152