Bring in some of the code from another project
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Cargo.toml
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Cargo.toml
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name = "y10n"
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version = "0.1.0"
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edition = "2018"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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description = "A simple YAML-based localization library"
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[dependencies]
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# Used for traversing directory structures
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glob = "0"
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lazy_static = "1"
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log = "*"
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serde = { version = "1", features = ["derive"] }
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serde_yaml = "0.8"
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regex = "1"
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GNU LESSER GENERAL PUBLIC LICENSE
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Version 3, 29 June 2007
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Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
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Everyone is permitted to copy and distribute verbatim copies
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of this license document, but changing it is not allowed.
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This version of the GNU Lesser General Public License incorporates
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the terms and conditions of version 3 of the GNU General Public
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License, supplemented by the additional permissions listed below.
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0. Additional Definitions.
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As used herein, "this License" refers to version 3 of the GNU Lesser
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General Public License, and the "GNU GPL" refers to version 3 of the GNU
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General Public License.
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"The Library" refers to a covered work governed by this License,
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other than an Application or a Combined Work as defined below.
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An "Application" is any work that makes use of an interface provided
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by the Library, but which is not otherwise based on the Library.
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Defining a subclass of a class defined by the Library is deemed a mode
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of using an interface provided by the Library.
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A "Combined Work" is a work produced by combining or linking an
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Application with the Library. The particular version of the Library
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with which the Combined Work was made is also called the "Linked
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Version".
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The "Minimal Corresponding Source" for a Combined Work means the
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Corresponding Source for the Combined Work, excluding any source code
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for portions of the Combined Work that, considered in isolation, are
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based on the Application, and not on the Linked Version.
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The "Corresponding Application Code" for a Combined Work means the
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object code and/or source code for the Application, including any data
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and utility programs needed for reproducing the Combined Work from the
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Application, but excluding the System Libraries of the Combined Work.
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1. Exception to Section 3 of the GNU GPL.
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You may convey a covered work under sections 3 and 4 of this License
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without being bound by section 3 of the GNU GPL.
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2. Conveying Modified Versions.
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If you modify a copy of the Library, and, in your modifications, a
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facility refers to a function or data to be supplied by an Application
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that uses the facility (other than as an argument passed when the
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facility is invoked), then you may convey a copy of the modified
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version:
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a) under this License, provided that you make a good faith effort to
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ensure that, in the event an Application does not supply the
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function or data, the facility still operates, and performs
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whatever part of its purpose remains meaningful, or
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b) under the GNU GPL, with none of the additional permissions of
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this License applicable to that copy.
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3. Object Code Incorporating Material from Library Header Files.
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The object code form of an Application may incorporate material from
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a header file that is part of the Library. You may convey such object
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code under terms of your choice, provided that, if the incorporated
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material is not limited to numerical parameters, data structure
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layouts and accessors, or small macros, inline functions and templates
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(ten or fewer lines in length), you do both of the following:
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a) Give prominent notice with each copy of the object code that the
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Library is used in it and that the Library and its use are
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covered by this License.
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b) Accompany the object code with a copy of the GNU GPL and this license
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document.
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4. Combined Works.
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You may convey a Combined Work under terms of your choice that,
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taken together, effectively do not restrict modification of the
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portions of the Library contained in the Combined Work and reverse
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engineering for debugging such modifications, if you also do each of
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the following:
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a) Give prominent notice with each copy of the Combined Work that
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the Library is used in it and that the Library and its use are
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covered by this License.
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b) Accompany the Combined Work with a copy of the GNU GPL and this license
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document.
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c) For a Combined Work that displays copyright notices during
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execution, include the copyright notice for the Library among
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these notices, as well as a reference directing the user to the
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copies of the GNU GPL and this license document.
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d) Do one of the following:
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0) Convey the Minimal Corresponding Source under the terms of this
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License, and the Corresponding Application Code in a form
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suitable for, and under terms that permit, the user to
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recombine or relink the Application with a modified version of
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the Linked Version to produce a modified Combined Work, in the
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manner specified by section 6 of the GNU GPL for conveying
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Corresponding Source.
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1) Use a suitable shared library mechanism for linking with the
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Library. A suitable mechanism is one that (a) uses at run time
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a copy of the Library already present on the user's computer
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system, and (b) will operate properly with a modified version
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of the Library that is interface-compatible with the Linked
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Version.
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e) Provide Installation Information, but only if you would otherwise
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be required to provide such information under section 6 of the
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GNU GPL, and only to the extent that such information is
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necessary to install and execute a modified version of the
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Combined Work produced by recombining or relinking the
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Application with a modified version of the Linked Version. (If
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you use option 4d0, the Installation Information must accompany
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the Minimal Corresponding Source and Corresponding Application
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Code. If you use option 4d1, you must provide the Installation
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Information in the manner specified by section 6 of the GNU GPL
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for conveying Corresponding Source.)
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5. Combined Libraries.
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You may place library facilities that are a work based on the
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Library side by side in a single library together with other library
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facilities that are not Applications and are not covered by this
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License, and convey such a combined library under terms of your
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choice, if you do both of the following:
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a) Accompany the combined library with a copy of the same work based
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on the Library, uncombined with any other library facilities,
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conveyed under the terms of this License.
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b) Give prominent notice with the combined library that part of it
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is a work based on the Library, and explaining where to find the
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accompanying uncombined form of the same work.
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6. Revised Versions of the GNU Lesser General Public License.
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The Free Software Foundation may publish revised and/or new versions
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of the GNU Lesser General Public License from time to time. Such new
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versions will be similar in spirit to the present version, but may
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differ in detail to address new problems or concerns.
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Each version is given a distinguishing version number. If the
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Library as you received it specifies that a certain numbered version
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of the GNU Lesser General Public License "or any later version"
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applies to it, you have the option of following the terms and
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conditions either of that published version or of any later version
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published by the Free Software Foundation. If the Library as you
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received it does not specify a version number of the GNU Lesser
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General Public License, you may choose any version of the GNU Lesser
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General Public License ever published by the Free Software Foundation.
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If the Library as you received it specifies that a proxy can decide
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whether future versions of the GNU Lesser General Public License shall
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apply, that proxy's public statement of acceptance of any version is
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permanent authorization for you to choose that version for the
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Library.
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@ -0,0 +1,4 @@
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= Yamlization
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Yamlization (`y10n`) is a simple Rust-based localization (`l10n`) library.
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Strings can be defined in `.yml` files which are then merged together.
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src/lib.rs
96
src/lib.rs
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#[cfg(test)]
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mod tests {
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#[test]
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fn it_works() {
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assert_eq!(2 + 2, 4);
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/**
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* The y10n module contains the bulk of the functionality that this library provides
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*/
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#[macro_use]
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extern crate lazy_static;
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use log::*;
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lazy_static! {
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static ref LANG_REGEX: regex::Regex = regex::Regex::new(r"(?P<code>\w+)-?(?P<region>\w+)?(;q=(?P<quality>([0-9]*[.])?[0-9]+)?)?").unwrap();
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}
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/**
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* Parse a string containing the value of an Accept-Language header
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*
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* For example: 'en,de;q=0.5`
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*/
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pub fn parse_accept_language(header: &str) -> Vec<Language> {
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trace!("Parsing languages from: {}", header);
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let mut results = vec![];
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for part in header.split(",") {
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if let Ok(language) = Language::from(part) {
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results.push(language);
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}
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}
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results
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}
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/**
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* Language
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*/
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#[derive(Clone, Debug)]
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pub struct Language {
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pub code: String,
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region: Option<String>,
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quality: f64,
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}
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impl Language {
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fn from(segment: &str) -> Result<Language, Error> {
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if let Some(captures) = LANG_REGEX.captures(segment) {
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println!("caps: {:?}", captures);
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Ok(Language {
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code: captures.name("code").map_or("unknown".to_string(), |c| c.as_str().to_string()),
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region: captures.name("region").map_or(None, |c| Some(c.as_str().to_string())),
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quality: captures.name("quality").map_or(1.0, |c| c.as_str().parse().unwrap_or(0.0)),
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})
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}
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else {
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Err(Error::Generic)
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}
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}
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}
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#[derive(Clone, Debug)]
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enum Error {
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Generic,
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn language_from_segment() {
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let lang = Language::from("en-US");
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assert!(lang.is_ok());
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let lang = lang.unwrap();
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assert_eq!("en", lang.code);
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assert_eq!(Some("US".to_string()), lang.region);
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assert_eq!(1.0, lang.quality);
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}
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#[test]
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fn parse_langs_simple() {
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let header = "en-US,en;q=0.5";
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let langs = parse_accept_language(&header);
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assert_eq!(langs.len(), 2);
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}
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#[test]
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fn parse_langs_multi() {
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let header = "en-US,en;q=0.7,de-DE;q=0.3";
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let langs = parse_accept_language(&header);
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assert_eq!(langs.len(), 3);
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let de = langs.get(2).unwrap();
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assert_eq!("de", de.code);
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assert_eq!(0.3, de.quality);
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}
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}
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