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4—4 Chapter 4: Using i18n and l10n in <strong>Sausalito</strong> Beta Draft 11. Copyright ' 2001.Cobalt Networks, Inc. All Rights Reserved. In summary, the grammar for a locale identifier is: locale_id := lang-code [ ’_’ country-code [ ’_’ variant-code ] ] where lang-code, country-code, and variant-code are all alphanumeric codes defined in ISO-639. Following are some example locale identifiers: ¥ en: Generic english ¥ en_US: English, American dialect ¥ ja_JP_EUC: Japanese, as spoken in Japan, the EUC variant When the i18n library is initialized by an application, a comma-delimited list of locales is supplied to the i18n library. This list of locales indicates the various locales that the user can understand, in order of preference. The i18n library uses an intelligent algorithm to attempt to select the best available locale for each domain because not all domains support the same set of locales, for example: en_US or en, ja. How Strings Are Added to the System Using Interpolation Adding new strings to the system in a three-step process: 1. A new .po file is created. This .po file defined all the message strings for one domain and one locale. 2. The .po file is compiled into an .mo file using the msgfmt tool. 3. The .mo file is placed in the appropriate directory beneath /usr/share/locale/locale/LC_MESSAGES. Whenever a string is fetched from the i18n library, it is subject to a process called interpolation. Interpolation allows user-supplied variables to be intelligently substituted into the string in various places. It also allows a string to contain references to other messages in the i18n database, with are expanded to full messages when interpolation occurs.
Chapter 4: Using i18n and l10n in <strong>Sausalito</strong> 4—5 Beta Draft 11. Copyright ' 2001. Cobalt Networks, Inc. All Rights Reserved. As a quick example, if the following string were stored in the i18n message string database: "Hello, my name is [[VAR.name]]." The i18n_get function is called such that the user supplied variable name was set to Bob, the following string would be returned by the library: Interpolation Rules "Hello, my name is Bob." Every time a localized string is retrieved from the I18N database, it undergoes interpolation according to the rules defined below. Rule 1. The string is subdivided into a list of tokens according to the following grammar: string := token* token := ( text | tag ) tag := [[ domain . tagname var* ]] var := , key = value. text := escaped-string domain := escaped-string tagname := escaped-string key := escaped-string value := escaped-string NOTE: The tag grammar interpolates the tag configuration in this format and substitutes variables into the string. Rule 2. Strings are unescaped according to the following rules: \n -> newline \b -> backspace \a \f -> formfeed \n -> newline
Page 1 and 2: Sausalito Developer’s Guide Beta
Page 3 and 4: Contents iii Acknowledgements . . .
Page 5 and 6: Contents v Syntax: PROPERTY . . . .
Page 7 and 8: Contents vii Usage . . . . . . . .
Page 9 and 10: Contents ix removeIcon. . . . . . .
Page 11 and 12: Contents xi The BYE Command. . . .
Page 13 and 14: Chapter 1 Introducing The Sausalito
Page 15 and 16: Chapter 1: Introducing The Sausalit
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Page 19 and 20: Chapter 2 About The Sausalito Archi
Page 21 and 22: Chapter 2: About The Sausalito Arch
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Chapter 6 Making Sausalito-Aware Ap
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Appendix A User Interface Foundatio
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Appendix A: User Interface Foundati
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Appendix B Utility Classes ArrayPac
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Appendix B: Utility Classes B—3 B
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Appendix C l About Style Style File
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Appendix C: About Style C—3 Beta
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Appendix D Base Data Types Scalar W
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Appendix D: Base Data Types D—3 B
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Appendix D: Base Data Types D—5 B
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Appendix E Cobalt System Configurat
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Appendix E: Cobalt System Configura
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Appendix F CCE Class Definitions Ch
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Appendix F: CCE Class Definitions F
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Index Symbols .pkg file format 6-1
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event_object( ) 5-42 event_oid( ) 5
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MacAddress A-28 MailListName A-28 M
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