85 lines
2.4 KiB
Rust
85 lines
2.4 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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use crate::terminal::Key;
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use melib::{MeliError, Result};
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use serde::de::{Deserialize, Deserializer};
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use std::collections::HashMap;
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use toml::Value;
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type BindingType = HashMap<Vec<Key>, String>;
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#[derive(Debug, Clone, Serialize, Deserialize)]
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#[serde(deny_unknown_fields)]
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pub struct Bindings {
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#[serde(deserialize_with = "deserialize_bindings")]
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pub normal: BindingType,
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}
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pub fn filter(bs: &BindingType, key: &[(Key, Vec<u8>)]) -> BindingType {
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let mut res: BindingType = bs.clone();
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for (idx, (k, _)) in key.iter().enumerate() {
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res = res.into_iter()
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.filter(|(ks, _)| ks.get(idx).map(|c| c == k).unwrap_or(false))
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.collect()
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}
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res
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}
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fn string_to_keys(s: &str) -> Result<Vec<Key>> {
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s.split_whitespace()
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.map(|s| {
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Key::deserialize(Value::String(s.to_owned()))
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.map_err(|e| MeliError::new(format!("{}", e)))
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})
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.collect()
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}
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fn deserialize_bindings<'de, D>(deserializer: D) -> std::result::Result<BindingType, D::Error>
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where
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D: Deserializer<'de>,
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{
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let map: HashMap<String, String> = HashMap::deserialize(deserializer)?;
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let (ok, errors): (Vec<_>, Vec<_>) = map
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.into_iter()
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.map(|(k, v)| (string_to_keys(&k), v))
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.partition(|(k, _)| k.is_ok());
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if !errors.is_empty() {
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Err(serde::de::Error::custom(
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errors
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.into_iter()
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.map(|(k, _)| format!("{}", k.err().unwrap()))
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.collect::<Vec<_>>()
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.join(","),
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))
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} else {
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Ok(ok.into_iter().map(|(k, v)| (k.unwrap(), v)).collect())
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}
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}
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impl Default for Bindings {
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fn default() -> Self {
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Self {
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normal: HashMap::new(),
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}
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}
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}
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