1 karl 1.18 //%2006////////////////////////////////////////////////////////////////////////
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2 karl 1.7 //
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3 karl 1.10 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
4 // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
5 // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
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6 karl 1.7 // IBM Corp.; EMC Corporation, The Open Group.
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7 karl 1.10 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
8 // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
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9 karl 1.13 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
10 // EMC Corporation; VERITAS Software Corporation; The Open Group.
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11 karl 1.18 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
12 // EMC Corporation; Symantec Corporation; The Open Group.
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13 karl 1.7 //
14 // Permission is hereby granted, free of charge, to any person obtaining a copy
15 // of this software and associated documentation files (the "Software"), to
16 // deal in the Software without restriction, including without limitation the
17 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
18 // sell copies of the Software, and to permit persons to whom the Software is
19 // furnished to do so, subject to the following conditions:
20 //
21 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
22 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
23 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
24 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
25 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
26 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
27 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 //
30 //==============================================================================
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31 alagaraja 1.8 //
32 //%/////////////////////////////////////////////////////////////////////////////
33
34 #ifndef Pegasus_MessageLoader_h
35 #define Pegasus_MessageLoader_h
36
37 #include <cstdlib>
38 #include <cctype>
39 #include <Pegasus/Common/Linkage.h>
40 #include <Pegasus/Common/Config.h>
41 #include <Pegasus/Common/String.h>
42 #include <Pegasus/Common/Formatter.h>
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43 kumpf 1.16 #include <Pegasus/Common/AcceptLanguageList.h>
44 #include <Pegasus/Common/ContentLanguageList.h>
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45 alagaraja 1.8
46 //ICU specific
47 #ifdef PEGASUS_HAS_ICU
48 #include <unicode/uloc.h>
49 #include <unicode/ures.h>
50 #include <unicode/umsg.h>
51 #include <unicode/ucnv.h>
52 #include <unicode/fmtable.h>
53 #include <unicode/msgfmt.h>
54 #endif
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55 chuck 1.6
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56 alagaraja 1.8 PEGASUS_NAMESPACE_BEGIN
57
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58 kumpf 1.20 /**
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59 alagaraja 1.8 * MessageLoaderParms class is basically a stuct class containing public variables that control
60 * the way MessageLoader behaves. MessageLoader uses the fields in this class to decide where and
61 * how to load messages from the message resources.
62 */
63
64 class PEGASUS_COMMON_LINKAGE MessageLoaderParms{
65
66 public:
67
68 /*
69 * String msg_id: unique message identifier for a particular message in a message resource
70 */
71 String msg_id;
72
73 /*
74 * String default_msg: the default message to use if a message cannot be loaded from a message resource
75 */
76 String default_msg;
77
78 /*
79 * String msg_src_path: this path tells MessageLoader where to find message resources
80 alagaraja 1.8 * it can be empty, fully qualified or relative to $PEGASUS_HOME
81 */
82 String msg_src_path;
83
84 /*
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85 kumpf 1.16 * AcceptLanguageList acceptlanguages: This contains the languages that are acceptable by the caller
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86 alagaraja 1.8 * of MessageLoader::getMessage(). That is, MessageLoader will do its best to return a message in
87 * a language that was specified in this container. This container is naturally ordered using the quality
88 * values attached to the languages and MessageLoader iterates through this container in its natural
89 * ordering. This container is used by MessageLoader to load messages if it is not empty.
90 */
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91 kumpf 1.16 AcceptLanguageList acceptlanguages;
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92 alagaraja 1.8
93 /*
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94 kumpf 1.16 * ContentLanguageList contentlanguages: This is set by MessageLoader::getMessage() after a message has
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95 alagaraja 1.8 * been loaded from either a message resource or the default message. After the call to MessageLoader::getMessage()
96 * the caller can check the MessageLoaderParms.contentlanguages object to see what MessageLoader set it to.
97 * In all cases where a message is returned from MessageLoader::getMessage(), this field will be set to match the
98 * language that the message was found in.
99 */
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100 kumpf 1.16 ContentLanguageList contentlanguages;
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101 alagaraja 1.8
102 /*
103 * Boolean useProcessLocale: Default is false, if true, MessageLoader uses the system default language
104 * to loads messages from.
105 */
106 Boolean useProcessLocale;
107
108 /*
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109 kumpf 1.16 * Boolean useThreadLocale: Default is true, this tells MessageLoader to use the AcceptLanguageList container
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110 alagaraja 1.8 * from the current Pegasus thread.
111 */
112 Boolean useThreadLocale;
113
114 /*
115 * Boolean useICUfallback: Default is false. Only relevant if PEGASUS_HAS_ICU is defined.
116 * MessageLoader::getMessage() default behaviour is to extract messages for the langauge exactly
117 * matching an available message resource. If this is set to true, the MessageLoader is free to extract
118 * a message from a less specific message resource according to its search algorithm.
119 */
120 #ifdef PEGASUS_HAS_ICU
121 Boolean useICUfallback;
122 #endif
123
124 /*
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125 karl 1.11 * const Formatter::Arg&0-9: These are assigned the various substitutions necessary to properly format
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126 alagaraja 1.8 * the message being extracted. MessageLoader substitutes these in the correct places in the message
127 * being returned from MessageLoader::getMessage()
128 */
129 Formatter::Arg arg0;
130 Formatter::Arg arg1;
131 Formatter::Arg arg2;
132 Formatter::Arg arg3;
133 Formatter::Arg arg4;
134 Formatter::Arg arg5;
135 Formatter::Arg arg6;
136 Formatter::Arg arg7;
137 Formatter::Arg arg8;
138 Formatter::Arg arg9;
139
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140 karl 1.11 /** Constructor */
141 MessageLoaderParms();
142
143 /** Constructor */
144 MessageLoaderParms(
145 const String& id,
146 const String& msg,
147 const Formatter::Arg& arg0,
148 const Formatter::Arg& arg1,
149 const Formatter::Arg& arg2,
150 const Formatter::Arg& arg3,
151 const Formatter::Arg& arg4,
152 const Formatter::Arg& arg5 = Formatter::DEFAULT_ARG,
153 const Formatter::Arg& arg6 = Formatter::DEFAULT_ARG,
154 const Formatter::Arg& arg7 = Formatter::DEFAULT_ARG,
155 const Formatter::Arg& arg8 = Formatter::DEFAULT_ARG,
156 const Formatter::Arg& arg9 = Formatter::DEFAULT_ARG);
157
158 /** Constructor */
159 MessageLoaderParms(
160 const String& id,
161 karl 1.11 const String& msg);
162
163 /** Constructor */
164 MessageLoaderParms(
165 const String& id,
166 const String& msg,
167 const Formatter::Arg& arg0);
168
169 /** Constructor */
170 MessageLoaderParms(
171 const String& id,
172 const String& msg,
173 const Formatter::Arg& arg0,
174 const Formatter::Arg& arg1);
175
176 /** Constructor */
177 MessageLoaderParms(
178 const String& id,
179 const String& msg,
180 const Formatter::Arg& arg0,
181 const Formatter::Arg& arg1,
182 karl 1.11 const Formatter::Arg& arg2);
183
184 /** Constructor */
185 MessageLoaderParms(
186 const String& id,
187 const String& msg,
188 const Formatter::Arg& arg0,
189 const Formatter::Arg& arg1,
190 const Formatter::Arg& arg2,
191 const Formatter::Arg& arg3);
192
193 MessageLoaderParms(
194 const char* id,
195 const char* msg);
196
197 MessageLoaderParms(
198 const char* id,
199 const char* msg,
200 const String& arg0);
201
202 MessageLoaderParms(
203 karl 1.11 const char* id,
204 const char* msg,
205 const String& arg0,
206 const String& arg1);
207
208 /** Converts to string. */
209 String toString();
210
211 ~MessageLoaderParms();
212
213 private:
214
215 void _init();
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216 alagaraja 1.8 }; // end MessageLoaderParms
217
218
219 /*
220 * MessageLoader is a static class resposible for looking up messages in message resources.
221 * For specific behaviour details of this class see the Globalization HOWTO.
222 */
223
224 class PEGASUS_COMMON_LINKAGE MessageLoader{
225
226 public:
227
228 /*
229 * Retrieves a message from a message resource
230 * @param parms MessageLoaderParms - controls the behaviour of how a message is retrieved
231 * @return String - the formatted message
232 */
233 static String getMessage(MessageLoaderParms &parms);
234
235 static void setPegasusMsgHome(String home);
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236 joyce.j 1.15
237 static void setPegasusMsgHomeRelative(const String& argv0);
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238 alagaraja 1.8
239 static Boolean _useProcessLocale;
240
241 static Boolean _useDefaultMsg;
242
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243 kumpf 1.16 static AcceptLanguageList _acceptlanguages;
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244 alagaraja 1.8
245 private:
246
247 static String formatDefaultMessage(MessageLoaderParms &parms);
248
249 static String getQualifiedMsgPath(String path);
250
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251 joyce.j 1.15 static void initPegasusMsgHome(const String & startDir);
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252 alagaraja 1.8
253 static void checkDefaultMsgLoading();
254
255 static String pegasus_MSG_HOME;
256
257 #ifdef PEGASUS_HAS_ICU
258 static String loadICUMessage(MessageLoaderParms &parms);
259
260 static String extractICUMessage(UResourceBundle * resbundl, MessageLoaderParms &parms);
261
262 static String formatICUMessage(UResourceBundle * resbundl, const UChar *msg, int msg_len, MessageLoaderParms &parms);
263
264 static String uChar2String(UChar * uchar_str);
265
266 static String uChar2String(UChar * uchar_str, int len);
267
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268 chuck 1.14 static void xferFormattable(Formatter::Arg& arg, Formattable &formattable);
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269 alagaraja 1.8 #endif
270
271 }; // end MessageLoader
272
273 PEGASUS_NAMESPACE_END
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274 chuck 1.6
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275 alagaraja 1.8 #endif
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MessageLoader.h
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