phundrak/lang-evolve-core
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Reorganized modules, made rules a separate struct

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Rules are now a separate struct, and the `rules` member of
`settings::Settings` is now a `Vec<settings::rule::Rule`.

Several elements were made private, now can be accessed through
dedicated methods
This commit is contained in:
Lucien Cartier-Tilet 2020-04-04 22:44:08 +02:00
parent dbbb1616dd
commit 5f30c6d636
Signed by: phundrak
GPG Key ID: BD7789E705CB8DCA
5 changed files with 139 additions and 58 deletions
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1
src/lib.rs
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@ -19,6 +19,7 @@ use log::{info, warn};
use simplelog::*;
pub mod settings;
mod utils;
/// Initializes the crate
///

88
src/settings/mod.rs
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@ -6,16 +6,15 @@ use serde::{Deserialize, Serialize};
extern crate log;
use log::{debug, error, info};
pub mod utils;
use utils::SettingsType;
use crate::utils::{self, SettingsType};
pub mod regex_wrapper;
use regex_wrapper::Regex;
mod rule;
use rule::Rule;
/// Current version of the ruleset. It will help determine if the ruleset is
/// outdated or from a more recent version of the software than the one being in
/// use.
pub const RULESET_CURRENT_VERSION: i32 = 1;
const RULESET_CURRENT_VERSION: i32 = 1;
/// Encode a [`Settings`] struct to a filetype, returns a
/// `std::result::Result<std::string::String, std::io::Error>`
@ -42,7 +41,6 @@ pub const RULESET_CURRENT_VERSION: i32 = 1;
/// ```
///
/// [`Settings`]: ./settings/struct.Settings.html
#[macro_export(local_inner_macros)]
macro_rules! encode_settings {
($funcrate:ident, $content:expr) => {
match $funcrate::to_string($content) {
@ -75,7 +73,6 @@ macro_rules! encode_settings {
/// ```
///
/// [`Settings`]: ./settings/struct.Settings.html
#[macro_export(local_inner_macros)]
macro_rules! decode_settings {
($funcrate:ident, $content:expr) => {
match $funcrate::from_str($content) {
@ -105,7 +102,7 @@ pub struct Settings {
/// loaded ruleset comes from a newer version of lang_evolve_core
/// than the one used by the user.
#[serde(default = "Settings::get_ruleset_version")]
pub version: String,
version: String,
/// Categories of phonemes
///
@ -117,7 +114,7 @@ pub struct Settings {
/// phonemes. It is currently not possible to have more than one
/// character to be considered as one sound.
#[serde(default)]
pub categories: HashMap<String, String>,
categories: HashMap<String, String>,
/// Soundchange rules
///
@ -125,7 +122,7 @@ pub struct Settings {
/// a regex to be matched while the second represents the change
/// to be made to the input data.
#[serde(default)]
pub rules: Vec<(Regex, String)>,
rules: Vec<Rule>,
}
/// Representation inside the crate of LangEvolve’s settings.
@ -182,10 +179,9 @@ impl Settings {
/// [`utils::SettingsTYpe`]: ./utils/enum.SettingsType.html
/// [`Settings.version`]: ./struct.Settings.html#structfield.version
pub fn import(path: &std::path::Path) -> std::io::Result<Self> {
use utils::SettingsType::{Json, Yaml};
use SettingsType::{Json, Yaml};
let file_type = utils::get_file_type(&path);
let content = utils::read_file(&path)?;
let settings: Settings = match file_type {
Yaml => decode_settings!(serde_yaml, &content),
Json => decode_settings!(serde_json, &content),
@ -236,6 +232,26 @@ impl Settings {
Self::import(&path).unwrap()
}
/// Add a new rule to the current settings
///
/// # Arguments
///
/// * `from` - Regex that should match the text to be replaced
/// * `to` - Regex that should replace some text
pub fn add_rule(&mut self, from: &str, to: &str) {
self.rules.push(Rule::new(from, to))
}
/// Add a new category of phonemes to the current settings
///
/// # Arguments
///
/// * `name` - Name of the category
/// * `content` - Content of the category, phonemes
pub fn add_category(&mut self, name: &str, content: &str) {
self.categories.insert(String::from(name), String::from(content));
}
/// Export current settings to a file.
///
/// The allowed file formats are described in the [`SettingsType`] enum.
@ -284,35 +300,12 @@ impl Settings {
RULESET_CURRENT_VERSION.to_string()
}
fn update_rules(&self) -> std::result::Result<Vec<(Regex, String)>, String> {
let mut rules = self.rules.clone();
// TODO break categories in different rules
for (from, to) in rules.iter_mut() {
let re = Regex::new("%\\D");
let from_match = re.is_match(from.as_str());
let to_match = re.is_match(to);
if from_match || to_match {
for (category, content) in &self.categories {
if from_match {
*from = Regex::new(
from.to_string()
.replace(
format!("%{}", category).as_str(),
format!("[{}]", content).as_str(),
)
.as_str()
);
}
if to_match {
*to = to.to_string().replace(
format!("%{}", category).as_str(),
format!("[{}]", content).as_str()
);
}
}
}
}
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();
Ok(rules)
}
@ -345,10 +338,17 @@ impl Settings {
let rules = self.update_rules().unwrap();
let mut s = s.clone();
debug!("===============================================");
for (from, to) in rules {
debug!("from: {}\tto: {}", from.to_string(), to);
for rule in rules {
debug!(
"from: {}\tto: {}",
rule.get_from().to_string(),
rule.get_to()
);
debug!("old: {}", s);
s = from.replace_all(&s, to.as_str()).to_string();
s = rule
.get_from()
.replace_all(&s, rule.get_to().as_str())
.to_string();
debug!("new: {}", s);
}
Ok(s)

94
src/settings/rule/mod.rs Normal file
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@ -0,0 +1,94 @@
extern crate serde;
extern crate serde_json;
extern crate serde_yaml;
use serde::{Deserialize, Serialize};
mod regex_wrapper;
use regex_wrapper::Regex;
/// Representation of a rule in LangEvolveRs
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct Rule {
/// Regex that should match the input text
from: Regex,
/// Text to replace matched text
to: String,
}
impl Rule {
/// Create new rule
///
/// # Arguments
///
/// * `from` - literal string that represents the regex that should match
/// the input text
/// * `to` - literal string that represents the regex text that should
/// replaced the text matched by `from`
pub fn new(from: &str, to: &str) -> Self {
Rule {
from: Regex::new(from),
to: String::from(to),
}
}
// TODO break categories in different rules
pub fn update(
&self,
categories: &std::collections::HashMap<String, String>,
) -> std::result::Result<Rule, String> {
let mut rule = self.clone();
let re = Regex::new("%\\D");
let from_match = re.is_match(&self.from.as_str());
let to_match = re.is_match(&self.to.as_str());
if from_match && !to_match {
for (category, content) in categories {
rule.from = Regex::new(
rule.from
.to_string()
.replace(
format!("%{}", category).as_str(),
format!("[{}]", content).as_str(),
)
.as_str(),
);
}
}
Ok(rule)
}
pub fn get_from(&self) -> &Regex {
&self.from
}
pub fn get_to(&self) -> String {
self.to.clone()
}
}
impl From<String> for Rule {
fn from(source: String) -> Self {
let components: Vec<&str> = source.split_terminator(">").collect();
Self {
from: Regex::new(components[0]),
to: String::from(components[1]),
}
}
}
impl PartialEq for Rule {
fn eq(&self, other: &Self) -> bool {
self.from == other.from && self.to == other.to
}
}
impl Eq for Rule {}
#[test]
fn rule_new() {
let rule1 = Rule::new("([ae]+)i", "${1}i");
let rule2 = Rule {
from: Regex::new("([ae]+)i"),
to: String::from("${1}i"),
};
assert_eq!(rule1, rule2);
}

14
src/settings/regex_wrapper.rs → src/settings/rule/regex_wrapper.rs
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@ -1,17 +1,3 @@
// extern crate serde;
// extern crate regex;
// use serde::{Deserialize, Serialize};
// #[derive(Clone, Debug, Deserialize, Serialize)]
// #[serde(transparent)]
// pub struct Regex(regex::Regex);
// #[derive(Clone, Debug, Deserialize, Serialize)]
// #[serde(remote = "regex::Regex")]
// pub struct RegexDef{
// #[serde(getter = "regex::Regex::to_string")]
// r: String
// }
use std::{fmt, ops};
#[derive(Clone, Debug)]

0
src/settings/utils.rs → src/utils/mod.rs
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