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SERVICES.XML(5) services.xml Manual SERVICES.XML(5) NAME services.xml - libtranslate generic service definitions DESCRIPTION The services.xml file contains translation service definitions for the lib- translate generic module. The generic module provides an abstract framework for supporting web-based translation services. When the generic module is initialized, it reads service definitions from the services.xml files located in /usr/local/share/libtranslate and ~/.lib- translate, creates the services defined in these files, and makes them available to libtranslate. The services.xml file must be encoded in UTF-8, and conform to the ser- vices.xml Document Type Definition, located in /usr/local/share/libtrans- late/services.dtd. ELEMENTS services Description The services element is the root of the document, and may contains service definitions and language mappings. Children These elements may occur zero or more times in services: custom-lan- guage, service. custom-language Description The custom-language element maps a RFC 3066 language tag to a lan- guage name. Note Some RFC 3066 tag to name mappings are built into libtranslate and do not need to be added (see the Built-In RFC 3066 Tag to Name Map- pings appendix in the libtranslate Reference Manual). Attributes tag (required) The RFC 3066 language tag. name (required) The language human-readable name. Parents This element contains custom-language: services. service Description The service element defines a translation service. Attributes name (required) The service symbolic name, encoded in ASCII. nick (implied, default: name) The service human-readable name. max-chunk-len (optional, default: 1000) The maximum length of an input chunk, in characters (0 means unlimited). Parents This element contains service: services. Children This element may occur zero or more times in service: group. group Description The group element defines a translation group (a group represents a set of languages and translation methods). Parents This element contains group: service. Children These elements may occur zero or more times in group: language, http-header. These elements may occur zero or one time in group: text-transla- tion, web-page-translation. language Description The language element adds a language to the list of languages sup- ported by a group. Attributes tag (required) The RFC 3066 language tag. service-tag (implied, default: tag) The language service-specific tag. This tag is not exposed to libtranslate, but is available as from and to variables (see Variable Substitution). to (optional, default: none) A comma-separated list of RFC 3066 language tags this lan- guage can be translated into. The special list element * means "every language of this group but this one". Parents This element contains language: group. http-header Description The http-header element adds a HTTP header to the list of headers that are set when a HTTP request is issued. If the http-header element occurs inside a group element, the header is added for text and web page translations. If it occurs inside a text-translation or web-page-translation ele- ment, the header is only added for a text or web page translation, respectively. Attributes name (required) The HTTP header name. value (required) The HTTP header value. Parents These elements contain http-header: group, text-translation, web-page-translation. text-translation Description The presence of the text-translation element specifies that the group can translate text. Attributes url (required) The URL to use for translating text. Variable substitution is performed on the URL (see Variable Substitution). post (optional, default: none) If this attribute is present, a HTTP POST request is issued (using the attribute value as post data). Otherwise, a HTTP GET request is issued. Variable substitution is performed on the post data (see Variable Substitution). Parents This element contains text-translation: group. Children These element may occur zero or more times in text-translation: http-header, pre-marker, error-marker. This element may occur zero or one time in text-translation: post-marker. pre-marker Description The pre-marker element is used to extract the translated text from the response to a text translation request. For each pre-marker element, the parser locates text in the server response. If text is found, the parser moves to the character fol- lowing text. If it is not found, the translation fails. The trans- lated text starts at the character following the last pre-marker match. If no pre-marker element is specified, the translated text starts at the first character of the server response. Attributes text (required) The text to match. Parents This element contains pre-marker: text-translation. post-marker Description The post-marker element is used to extract the translated text from the response to a text translation request. If text can be located in the server response, the translated text ends at the character preceding text. Otherwise, the translation fails. If no post-marker element is specified, the translated text ends at the last character of the server response. Attributes text (required) The text to match. Parents This element contains post-marker: text-translation. error-marker Description The error-marker element is used to check if a text translation er- ror has occurred. If one or more error-marker elements are specified and the text of any of them can be located anywhere in the server response, the translation fails. Attributes text (required) The text to match. Parents This element contains error-marker: text-translation. web-page-translation Description The presence of the web-page-translation element specifies that the group can translate a web page. If no http-header element is specified and if post is not specified, the generic module does not need to connect to the server. In this case, url is returned as the URL of the translated web page. Other- wise, the generic module connects to the server, issues a HTTP GET or POST request, saves the response to a local file, and returns a file:// URL pointing to that file. Attributes url (required) The URL to use for translating a web page. Variable substitu- tion is performed on the URL (see Variable Substitution). post (optional, default: none) If this attribute is present, a HTTP POST request is issued (using the attribute value as post data). Otherwise, a HTTP GET request is issued (or no request at all, see above). Variable substitution is performed on the post data (see Variable Substitution). Parents This element contains web-page-translation: group. Children This element may occur zero or more times in web-page-translation: http-header. VARIABLE SUBSTITUTION Variable substitution is performed at translation time on the url and post attributes of the text-translation and web-page-translation elements. A variable has the syntax ${varname[:modifiers]}. varname may be any of the following variables: text (text-translation only) The text to translate. url (web-page-translation only) The URL of the web page to translate. from The source language service tag. to The destination language service tag. time The number of seconds since 0 hours, 0 minutes, 0 seconds, January 1, 1970, Coordinated Universal Time. modifiers is a comma-separated list of modifiers. Each modifier is applied (in the specified order) on the contents of the variable. A modifier has the syntax name[=value]. name may be any of the following modifiers: escape Escapes the unsafe characters in the variable using URI percent no- tation. charset Converts the variable from UTF-8 (the libtranslate character set) to the character set value. FILES /usr/local/share/libtranslate/services.xml The system-wide service definitions. ~/.libtranslate/services.xml The user service definitions. /usr/local/share/libtranslate/services.dtd The services.xml Document Type Definition. SEE ALSO The libtranslate Reference Manual AUTHOR Jean-Yves Lefort. libtranslate 0.99 January 15, 2005 SERVICES.XML(5)
NAME | DESCRIPTION | ELEMENTS | VARIABLE SUBSTITUTION | FILES | SEE ALSO | AUTHOR
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