2020-03-27 17:25:20 +00:00
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use serde::{Deserialize, Serialize};
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2020-03-26 19:10:07 +00:00
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2020-04-04 13:46:29 +00:00
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use log::{debug, error, info};
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2020-03-26 19:10:07 +00:00
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2020-04-04 20:44:08 +00:00
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use crate::utils::{self, SettingsType};
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2020-03-26 19:10:07 +00:00
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2020-07-11 15:34:01 +00:00
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use prettydiff::diff_words;
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2020-04-04 20:44:08 +00:00
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mod rule;
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use rule::Rule;
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2020-03-29 01:10:19 +00:00
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2020-03-27 22:31:24 +00:00
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/// Current version of the ruleset. It will help determine if the ruleset is
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/// outdated or from a more recent version of the software than the one being in
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/// use.
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2020-04-04 20:44:08 +00:00
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const RULESET_CURRENT_VERSION: i32 = 1;
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2020-03-26 19:10:07 +00:00
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2020-03-28 21:03:21 +00:00
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/// Encode a [`Settings`] struct to a filetype, returns a
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/// `std::result::Result<std::string::String, std::io::Error>`
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///
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/// # Arguments
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///
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/// * `funcrate` - `serde`-compatible crate to use, must implement `to_string`
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/// * `content` - content to encode, must be `Settings` struct
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///
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/// # Example
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///
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/// ```ignore
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/// # use lang_evolve_core::settings::*;
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/// # use lang_evolve_core::encode_settings;
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/// use std::io::{Error, ErrorKind};
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/// use std::path::Path;
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/// let filetype = utils::get_file_type(Path::new("./path/to/file.json"));
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/// let s = Settings::new();
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/// let content = match filetype {
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/// utils::SettingsType::Yaml => encode_settings!(serde_yaml, &s).unwrap(),
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/// utils::SettingsType::Json => encode_settings!(serde_json, &s).unwrap(),
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/// _ => panic!("Could not encode settings"),
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/// };
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/// ```
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///
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/// [`Settings`]: ./settings/struct.Settings.html
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macro_rules! encode_settings {
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($funcrate:ident, $content:expr) => {
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match $funcrate::to_string($content) {
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Err(e) => {
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log::error!("Could not serialize settings: {}", e.to_string());
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return Err(std::io::Error::new(
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std::io::ErrorKind::InvalidData,
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e,
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));
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}
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Ok(val) => val,
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}
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};
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}
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/// Decode a [`Settings`] struct from a `std::std::String`, returns a
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/// std::result::Result<lang_evolve_core::settings::Settings, std::io::Error>
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///
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/// # Arguments
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///
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/// * `funcrate` - `serde`-compatible crate to use, mus implement `from_string`
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/// * `content` - `&str` to decode into a [`Settings`]
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///
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/// # Example
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///
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/// ```ignore
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/// # use lang_evolve_core::decode_settings;
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/// let str = r#"{"version":"1","categories":[],"rules":[]}"#;
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/// let settings = decode_settings!(serde_json, str);
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/// ```
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///
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/// [`Settings`]: ./settings/struct.Settings.html
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macro_rules! decode_settings {
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($funcrate:ident, $content:expr) => {
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match $funcrate::from_str($content) {
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Err(e) => {
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log::error!("Could not import settings: {}", e.to_string());
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return Err(std::io::Error::new(
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std::io::ErrorKind::InvalidInput,
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e,
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));
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}
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Ok(val) => val,
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}
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};
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}
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2020-03-29 16:10:45 +00:00
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use std::collections::HashMap;
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2020-03-29 01:09:48 +00:00
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/// Representation of the software’s settings
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///
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/// This struct represents all the settings the software has to follow
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/// while running, which includes the phoneme categories as well as
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/// the soundchange rules to apply to the input text.
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#[derive(Clone, Debug, Deserialize, Serialize)]
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2020-03-26 19:10:07 +00:00
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pub struct Settings {
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2020-03-29 01:09:48 +00:00
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/// Represents the version of the loaded ruleset.
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///
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/// It is used to detect obsolete ruleset representations or if a
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/// loaded ruleset comes from a newer version of lang_evolve_core
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/// than the one used by the user.
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2020-03-26 19:10:07 +00:00
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#[serde(default = "Settings::get_ruleset_version")]
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2020-04-04 20:44:08 +00:00
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version: String,
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2020-03-29 01:09:48 +00:00
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/// Categories of phonemes
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///
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/// This is a vector of categories of phonemes, represented
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/// themselves as pairs of strings. Each pair of strings has its
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/// first element represent the name of the category, which is
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/// generally represented by a single capital letter. The second
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/// element is a string where all its characters represent
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/// phonemes. It is currently not possible to have more than one
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/// character to be considered as one sound.
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2020-03-26 19:10:07 +00:00
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#[serde(default)]
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2020-04-04 20:44:08 +00:00
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categories: HashMap<String, String>,
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2020-03-29 01:09:48 +00:00
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/// Soundchange rules
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///
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/// This is a vector of pairs of strings, the first one represents
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/// a regex to be matched while the second represents the change
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/// to be made to the input data.
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2020-03-26 19:10:07 +00:00
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#[serde(default)]
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2020-04-04 20:44:08 +00:00
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rules: Vec<Rule>,
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2020-03-26 19:10:07 +00:00
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}
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2020-03-27 17:26:31 +00:00
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/// Representation inside the crate of LangEvolve’s settings.
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2020-03-26 19:10:07 +00:00
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impl Settings {
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2020-03-29 01:09:48 +00:00
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/// Creates a new empty instance of [`Settings`]
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2020-03-27 17:26:31 +00:00
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///
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/// # Example
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///
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/// ```
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/// let s = lang_evolve_core::settings::Settings::new();
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/// let content_yaml = r#"---
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/// version: "1"
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2020-04-04 13:46:29 +00:00
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/// categories: {}
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2020-04-04 15:08:26 +00:00
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/// rules: []"#;
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/// let content_json = r#"{"version":"1","categories":{},"rules":[]}"#;
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2020-03-27 17:26:31 +00:00
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/// assert_eq!(content_yaml, serde_yaml::to_string(&s).unwrap());
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/// assert_eq!(content_json, serde_json::to_string(&s).unwrap());
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/// ```
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2020-03-29 01:09:48 +00:00
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///
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/// [`Settings`]: ./settings/struct.Settings.html
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2020-03-26 19:10:07 +00:00
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pub fn new() -> Self {
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Self {
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version: Self::get_ruleset_version(),
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2020-03-29 16:10:45 +00:00
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categories: HashMap::new(),
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2020-04-04 15:08:26 +00:00
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rules: Vec::new(),
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2020-03-26 19:10:07 +00:00
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}
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}
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2020-03-29 01:09:48 +00:00
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/// Import settings from an imput file.
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///
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/// The currently allowed file formats are described in the
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/// [`utils::SettingsType`] enum. If the ruleset version is higher than the
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/// current version (see [`Settings.version`]), then an error is returned.
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2020-03-27 17:26:31 +00:00
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///
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/// # Arguments
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///
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/// * `path` - File to open and load settings from
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///
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/// # Example
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///
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/// ```no_run
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/// use std::path::Path;
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/// use lang_evolve_core::settings::Settings;
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/// let path_json = Path::new("settings.json");
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/// let _s_json = Settings::import(&path_json).unwrap();
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///
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/// let path_yaml = Path::new("settings.yaml");
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/// let _s_yaml = Settings::import(&path_yaml).unwrap();
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///
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/// let path_yml = Path::new("settings.yml");
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/// let _s_yml = Settings::import(&path_yml).unwrap();
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/// ```
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2020-03-29 01:09:48 +00:00
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///
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/// [`utils::SettingsTYpe`]: ./utils/enum.SettingsType.html
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/// [`Settings.version`]: ./struct.Settings.html#structfield.version
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2020-03-27 17:25:20 +00:00
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pub fn import(path: &std::path::Path) -> std::io::Result<Self> {
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2020-04-04 20:44:08 +00:00
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use SettingsType::{Json, Yaml};
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2020-03-28 21:03:21 +00:00
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let file_type = utils::get_file_type(&path);
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let content = utils::read_file(&path)?;
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2020-03-27 17:25:20 +00:00
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let settings: Settings = match file_type {
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2020-03-28 21:03:21 +00:00
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Yaml => decode_settings!(serde_yaml, &content),
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Json => decode_settings!(serde_json, &content),
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// Attempt to decode anyway
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_ => match Settings::from_str(&content.as_str()) {
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2020-03-26 19:10:07 +00:00
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Ok(val) => val,
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Err(e) => {
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2020-03-28 21:03:21 +00:00
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error!(
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"Could not decode input {}: {}",
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content,
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e.to_string()
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);
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2020-03-26 19:10:07 +00:00
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return Err(std::io::Error::new(
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2020-03-28 21:03:21 +00:00
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std::io::ErrorKind::InvalidData,
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2020-03-26 19:10:07 +00:00
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e,
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));
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}
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},
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};
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2020-03-29 01:09:48 +00:00
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if settings.version > Self::get_ruleset_version() {
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error!("Ruleset version too high!");
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return Err(std::io::Error::new(
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std::io::ErrorKind::InvalidData,
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"Ruleset version too high!",
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));
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}
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2020-03-27 22:26:16 +00:00
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info!("Successfuly imported {}", path.display());
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2020-03-26 19:10:07 +00:00
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Ok(settings)
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}
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2020-03-27 17:26:31 +00:00
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2020-03-29 01:09:48 +00:00
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/// Import settings from file path described by the argument `path`
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///
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/// # Arguments
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///
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/// * `path` - path to the file from which settings should be imported
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///
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/// # Example
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///
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/// ```no_run
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/// let s = lang_evolve_core::settings::Settings::from("settings.yml");
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/// ```
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pub fn from<S>(s: S) -> Self
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where
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S: ToString,
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{
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let s = s.to_string();
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let path = std::path::Path::new(&s);
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Self::import(&path).unwrap()
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}
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2020-04-04 20:44:08 +00:00
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/// Add a new rule to the current settings
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///
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/// # Arguments
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///
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/// * `from` - Regex that should match the text to be replaced
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/// * `to` - Regex that should replace some text
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pub fn add_rule(&mut self, from: &str, to: &str) {
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self.rules.push(Rule::new(from, to))
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}
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/// Add a new category of phonemes to the current settings
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///
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/// # Arguments
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///
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/// * `name` - Name of the category
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/// * `content` - Content of the category, phonemes
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pub fn add_category(&mut self, name: &str, content: &str) {
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self.categories.insert(String::from(name), String::from(content));
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}
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2020-03-29 01:09:48 +00:00
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/// Export current settings to a file.
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///
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/// The allowed file formats are described in the [`SettingsType`] enum.
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2020-03-27 17:26:31 +00:00
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///
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/// # Arguments
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///
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/// * `path` - Path to write and export settings to
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///
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/// # Example
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///
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/// ```
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/// use std::path::Path;
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/// let s = lang_evolve_core::settings::Settings::new();
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///
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/// // Export to JSON
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/// let path_json = Path::new("./output.json");
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/// s.export(&path_json).unwrap();
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///
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/// // Export to Yaml, both ".yml" and ".yaml" work
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/// let path_yaml = Path::new("./output.yaml");
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/// s.export(&path_yaml).unwrap();
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/// let path_yml = Path::new("./output.yml");
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/// s.export(&path_yml).unwrap();
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/// ```
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2020-03-29 01:09:48 +00:00
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///
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/// [`SettingsType`]: ./utils/enum.SettingsType.html
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2020-03-27 17:26:31 +00:00
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pub fn export(&self, path: &std::path::Path) -> std::io::Result<()> {
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2020-03-28 21:03:21 +00:00
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let filetype = utils::get_file_type(&path);
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2020-03-27 17:26:31 +00:00
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let content = match filetype {
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2020-03-28 21:03:21 +00:00
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SettingsType::Yaml => encode_settings!(serde_yaml, &self),
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SettingsType::Json => encode_settings!(serde_json, &self),
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_ => {
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error!("Unknown filetype {}", path.to_str().unwrap());
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return Err(std::io::Error::new(
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std::io::ErrorKind::InvalidData,
|
|
|
|
|
"Unknown file type",
|
|
|
|
|
));
|
|
|
|
|
}
|
2020-03-27 17:26:31 +00:00
|
|
|
|
};
|
2020-03-27 22:26:16 +00:00
|
|
|
|
info!("Successfuly exported settings to {}", path.display());
|
2020-03-27 17:26:31 +00:00
|
|
|
|
utils::write_file(&path, &content)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// Get the current ruleset version of LangEvolve.
|
|
|
|
|
fn get_ruleset_version() -> String {
|
2020-03-27 22:26:16 +00:00
|
|
|
|
RULESET_CURRENT_VERSION.to_string()
|
2020-03-27 17:26:31 +00:00
|
|
|
|
}
|
2020-04-04 13:46:29 +00:00
|
|
|
|
|
2020-04-04 20:44:08 +00:00
|
|
|
|
fn update_rules(&self) -> std::result::Result<Vec<Rule>, String> {
|
|
|
|
|
let rules = self.rules.clone();
|
|
|
|
|
let rules: Vec<Rule> = rules
|
|
|
|
|
.iter()
|
|
|
|
|
.map(|x| x.update(&self.categories).unwrap())
|
|
|
|
|
.collect();
|
2020-04-04 16:54:46 +00:00
|
|
|
|
Ok(rules)
|
2020-04-04 13:46:29 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// Apply list of rules to input
|
|
|
|
|
///
|
|
|
|
|
/// The list of rules in the struct will be applied to the input `s`. If the
|
|
|
|
|
/// rule contains the `%` character followed by a capital letter, this marks
|
|
|
|
|
/// a category of phonemes and should be replaced by them. For instance, we
|
|
|
|
|
/// have:
|
|
|
|
|
/// - the category `C` defined as `bcdfg`
|
|
|
|
|
/// - the rule `%Ci` to `%Cj`
|
|
|
|
|
/// The rule should be rewritten as `[bcdfg]` to `[bcdfg]j`
|
|
|
|
|
///
|
|
|
|
|
/// # Arguments
|
|
|
|
|
///
|
|
|
|
|
/// * `s` - Input to modify
|
|
|
|
|
///
|
|
|
|
|
/// # Example
|
|
|
|
|
///
|
|
|
|
|
/// ```
|
|
|
|
|
/// # use lang_evolve_core::settings::Settings;
|
|
|
|
|
/// let settings = Settings::new();
|
|
|
|
|
/// // add some rules...
|
|
|
|
|
/// let input = String::new();
|
|
|
|
|
/// // set some input
|
|
|
|
|
/// let _output = settings.apply(input);
|
|
|
|
|
/// ```
|
2020-04-04 16:28:27 +00:00
|
|
|
|
pub fn apply(&self, s: String) -> std::result::Result<String, String> {
|
2020-04-04 16:54:46 +00:00
|
|
|
|
// TODO Add Error handling
|
|
|
|
|
let rules = self.update_rules().unwrap();
|
2020-04-04 13:46:29 +00:00
|
|
|
|
let mut s = s.clone();
|
|
|
|
|
debug!("===============================================");
|
2020-04-04 20:44:08 +00:00
|
|
|
|
for rule in rules {
|
|
|
|
|
debug!(
|
|
|
|
|
"from: {}\tto: {}",
|
|
|
|
|
rule.get_from().to_string(),
|
|
|
|
|
rule.get_to()
|
|
|
|
|
);
|
2020-04-04 13:46:29 +00:00
|
|
|
|
debug!("old: {}", s);
|
2020-04-04 20:44:08 +00:00
|
|
|
|
s = rule
|
|
|
|
|
.get_from()
|
|
|
|
|
.replace_all(&s, rule.get_to().as_str())
|
|
|
|
|
.to_string();
|
2020-04-04 13:46:29 +00:00
|
|
|
|
debug!("new: {}", s);
|
|
|
|
|
}
|
2020-04-04 16:28:27 +00:00
|
|
|
|
Ok(s)
|
2020-04-04 13:46:29 +00:00
|
|
|
|
}
|
2020-03-26 19:10:07 +00:00
|
|
|
|
}
|
2020-03-27 17:25:20 +00:00
|
|
|
|
|
2020-03-28 21:03:21 +00:00
|
|
|
|
use std::str::FromStr;
|
|
|
|
|
impl FromStr for Settings {
|
|
|
|
|
type Err = serde_yaml::Error;
|
2020-03-27 17:25:20 +00:00
|
|
|
|
|
2020-03-28 21:03:21 +00:00
|
|
|
|
/// Decode a litteral string into a `Settings` struct. Works only for
|
|
|
|
|
/// supported file types described in `SettingsType`. It will try to decode
|
|
|
|
|
/// the input `s` by any mean known by `SettingsType`.
|
2020-03-27 22:25:16 +00:00
|
|
|
|
///
|
|
|
|
|
/// # Arguments
|
|
|
|
|
///
|
2020-03-28 21:03:21 +00:00
|
|
|
|
/// * `s` - litteral string to decode into a `Settings` struct
|
2020-03-27 22:25:16 +00:00
|
|
|
|
///
|
|
|
|
|
/// # Example
|
|
|
|
|
///
|
|
|
|
|
/// ```
|
2020-03-28 21:03:21 +00:00
|
|
|
|
/// # use std::str::FromStr;
|
2020-04-04 15:08:26 +00:00
|
|
|
|
/// let s = r#"{"version":"1","categories":{},"rules":[]}"#;
|
2020-03-28 21:03:21 +00:00
|
|
|
|
/// let settings = lang_evolve_core::settings::Settings::from_str(s).unwrap();
|
|
|
|
|
/// ```
|
|
|
|
|
fn from_str(s: &str) -> Result<Self, Self::Err> {
|
|
|
|
|
match serde_json::from_str::<Settings>(s) {
|
|
|
|
|
Ok(val) => Ok(val),
|
|
|
|
|
Err(_) => match serde_yaml::from_str::<Settings>(s) {
|
|
|
|
|
Ok(val) => Ok(val),
|
|
|
|
|
Err(e) => {
|
|
|
|
|
error!("Could not decode input {}: {}", s, e.to_string());
|
|
|
|
|
return Err(e);
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
use std::fmt;
|
|
|
|
|
use std::fmt::Display;
|
|
|
|
|
impl Display for Settings {
|
|
|
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
|
|
|
write!(f, "{}", serde_json::to_string(&self).unwrap())
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
impl PartialEq for Settings {
|
|
|
|
|
fn eq(&self, other: &Self) -> bool {
|
|
|
|
|
self.version == other.version
|
|
|
|
|
&& self.categories == other.categories
|
|
|
|
|
&& self.rules == other.rules
|
2020-03-27 22:25:16 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2020-03-27 17:25:20 +00:00
|
|
|
|
impl Eq for Settings {}
|