91 lines
2.4 KiB
Rust
91 lines
2.4 KiB
Rust
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use std::default::Default;
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use std::fmt::{Debug, Formatter, Error};
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use std::path::PathBuf;
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pub use config::types::Config;
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pub use config::reader::from_file;
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pub struct Configuration {
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verbosity: bool,
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editor: Option<String>,
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editor_opts: String,
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}
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impl Configuration {
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pub fn new(rtp: &PathBuf) -> Option<Configuration> {
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fetch_config(&rtp).and_then(|cfg| {
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let verbosity = cfg.lookup_boolean("verbosity").unwrap_or(false);
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let editor = cfg.lookup_str("editor").map(String::from);
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let editor_opts = String::from(cfg.lookup_str("editor-opts").unwrap_or(""));
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debug!("Building configuration");
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debug!(" - verbosity : {:?}", verbosity);
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debug!(" - editor : {:?}", editor);
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debug!(" - editor-opts: {}", editor_opts);
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Some(Configuration {
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verbosity: verbosity,
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editor: editor,
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editor_opts: editor_opts,
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})
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})
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}
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}
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fn fetch_config(rtp: &PathBuf) -> Option<Config> {
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use std::process::exit;
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use std::env;
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use xdg_basedir;
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use itertools::Itertools;
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use libimagutil::variants::generate_variants as gen_vars;
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let variants = vec!["config", "config.toml", "imagrc", "imagrc.toml"];
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let modifier = |base: &PathBuf, v: &'static str| {
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let mut base = base.clone();
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base.push(format!("/{}", v));
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base
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};
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vec![
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gen_vars(rtp.clone(), variants.clone(), &modifier),
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env::var("HOME").map(|home| gen_vars(PathBuf::from(home), variants.clone(), &modifier))
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.unwrap_or(vec![]),
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xdg_basedir::get_data_home().map(|data_dir| gen_vars(data_dir, variants.clone(), &modifier))
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.unwrap_or(vec![]),
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].iter()
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.flatten()
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.filter(|path| path.exists())
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.map(|path| from_file(&path).ok())
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.filter(|loaded| loaded.is_some())
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.nth(0)
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.map(|inner| inner.unwrap())
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}
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impl Debug for Configuration {
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fn fmt(&self, f: &mut Formatter) -> Result<(), Error> {
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try!(write!(f, "Configuration (verbose: {})", self.verbosity));
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Ok(())
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}
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}
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impl Default for Configuration {
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fn default() -> Configuration {
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Configuration {
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verbosity: false,
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editor: Some(String::from("nano")),
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editor_opts: String::from(""),
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}
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}
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}
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