93 lines
2.2 KiB
Rust
93 lines
2.2 KiB
Rust
use std::{
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fs::read_to_string,
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io,
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path::{Path, PathBuf},
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};
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use lazy_static::lazy_static;
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use serde::Deserialize;
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use crate::{
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console::warning,
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install::languages::{LanguageDb, LanguageDefs},
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};
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lazy_static! {
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static ref XDG: xdg::BaseDirectories =
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xdg::BaseDirectories::with_prefix("chrysopoeia").unwrap();
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}
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#[derive(Debug, Default, Deserialize)]
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pub struct Settings {
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#[serde(default = "default_data_dir")]
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pub data_dir: PathBuf,
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#[serde(default)]
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pub install: InstallSettings,
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#[serde(rename = "languages")]
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pub user_language_defs: Option<LanguageDefs>,
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}
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#[derive(Debug, Default, Deserialize)]
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pub struct InstallSettings {
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#[serde(alias = "cc")]
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pub compiler: Option<String>,
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}
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fn default_data_dir() -> PathBuf {
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if cfg!(debug_assertions) {
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"share".into()
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} else {
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XDG.get_data_home()
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}
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}
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pub fn default_config() -> PathBuf {
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if cfg!(debug_assertions) {
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"chrysopoeia.toml".into()
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} else {
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XDG.get_config_file("config.toml")
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}
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}
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#[derive(Debug, thiserror::Error)]
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pub enum Error {
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#[error("unable to read config file: {0}")]
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Io(#[from] io::Error),
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#[error("{file:?}: {e}")]
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Toml { file: PathBuf, e: toml::de::Error },
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}
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pub fn get_settings(path: &Path) -> Result<Settings, Error> {
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toml::from_str(&read_to_string(path)?).map_err(|e| Error::Toml {
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file: path.to_owned(),
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e,
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})
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}
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impl Settings {
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pub fn parser_dir(&self) -> PathBuf {
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self.data_dir.join("parsers")
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}
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/// note: this method moves out of self.user_language_defs
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pub fn language_defs(&mut self) -> Result<LanguageDb, Error> {
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let mut sources: Vec<LanguageDefs> = self.user_language_defs.take().into_iter().collect();
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let default_path = self.data_dir.join("languages.toml");
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match read_to_string(&default_path) {
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Ok(default_defs) => {
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sources.push(toml::from_str(&default_defs).map_err(|e| Error::Toml {
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file: default_path,
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e,
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})?)
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}
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Err(e) => warning!("couldn't read language install info from {default_path:?}: {e}"),
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}
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Ok(LanguageDb::new(sources))
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}
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}
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