114 lines
3.3 KiB
Rust
114 lines
3.3 KiB
Rust
/*
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* meli - configuration module.
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*
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* Copyright 2019 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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//! E-mail tag configuration and {de,}serializing.
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use super::DotAddressable;
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use crate::terminal::Color;
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use melib::{MeliError, Result};
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use serde::{Deserialize, Deserializer};
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use std::collections::{hash_map::DefaultHasher, HashMap, HashSet};
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use std::hash::Hasher;
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#[derive(Debug, Deserialize, Clone, Serialize)]
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#[serde(deny_unknown_fields)]
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pub struct TagsSettings {
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#[serde(default, deserialize_with = "tag_color_de")]
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pub colors: HashMap<u64, Color>,
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#[serde(default, deserialize_with = "tag_set_de", alias = "ignore-tags")]
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pub ignore_tags: HashSet<u64>,
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}
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impl Default for TagsSettings {
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fn default() -> Self {
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TagsSettings {
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colors: Default::default(),
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ignore_tags: Default::default(),
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}
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}
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}
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pub fn tag_set_de<'de, D, T: std::convert::From<HashSet<u64>>>(
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deserializer: D,
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) -> std::result::Result<T, D::Error>
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where
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D: Deserializer<'de>,
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{
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Ok(<Vec<String>>::deserialize(deserializer)?
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.into_iter()
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.map(|tag| {
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let mut hasher = DefaultHasher::new();
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hasher.write(tag.as_bytes());
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hasher.finish()
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})
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.collect::<HashSet<u64>>()
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.into())
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}
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pub fn tag_color_de<'de, D, T: std::convert::From<HashMap<u64, Color>>>(
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deserializer: D,
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) -> std::result::Result<T, D::Error>
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where
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D: Deserializer<'de>,
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{
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#[derive(Deserialize)]
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#[serde(untagged)]
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enum _Color {
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B(u8),
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C(Color),
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}
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Ok(<HashMap<String, _Color>>::deserialize(deserializer)?
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.into_iter()
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.map(|(tag, color)| {
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let mut hasher = DefaultHasher::new();
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hasher.write(tag.as_bytes());
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(
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hasher.finish(),
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match color {
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_Color::B(b) => Color::Byte(b),
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_Color::C(c) => c,
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},
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)
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})
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.collect::<HashMap<u64, Color>>()
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.into())
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}
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impl DotAddressable for TagsSettings {
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fn lookup(&self, parent_field: &str, path: &[&str]) -> Result<String> {
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match path.first() {
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Some(field) => {
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let tail = &path[1..];
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match *field {
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"colors" => self.colors.lookup(field, tail),
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"ignore_tags" => self.ignore_tags.lookup(field, tail),
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other => Err(MeliError::new(format!(
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"{} has no field named {}",
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parent_field, other
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))),
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}
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}
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None => Ok(toml::to_string(self).map_err(|err| err.to_string())?),
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}
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}
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}
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