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use std::env;
use std::path::{Path, PathBuf};
use dirs_next::home_dir;
#[derive(Clone, Debug)]
pub struct AppDirs {
pub cache_dir: PathBuf,
pub config_dir: PathBuf,
pub data_dir: PathBuf,
pub state_dir: PathBuf,
}
#[derive(Clone, Debug)]
pub struct UserDirs {
pub desktop_dir: PathBuf,
pub document_dir: PathBuf,
pub download_dir: PathBuf,
pub music_dir: PathBuf,
pub picture_dir: PathBuf,
pub public_dir: PathBuf,
pub video_dir: PathBuf,
}
fn is_absolute_path(path: impl AsRef<Path>) -> Option<PathBuf> {
let path = path.as_ref();
if path.is_absolute() {
Some(path.to_path_buf())
} else {
None
}
}
impl AppDirs {
pub fn new(name: Option<&str>, use_xdg_on_macos: bool) -> Option<Self> {
if cfg!(target_os = "macos") && !use_xdg_on_macos {
if home_dir().is_some() {
let mut cache_dir = dirs_next::cache_dir().expect("home directory is set");
let mut data_dir = dirs_next::data_dir().expect("home directory is set");
if let Some(name) = name {
cache_dir.push(&name);
data_dir.push(&name);
}
let config_dir = data_dir.clone();
let state_dir = data_dir.clone();
Some(AppDirs {
cache_dir,
config_dir,
data_dir,
state_dir,
})
} else {
None
}
} else if cfg!(target_os = "windows") {
if let (Some(_home_dir), Some(data_dir), Some(data_local_dir)) = (
home_dir(),
dirs_next::data_dir(),
dirs_next::data_local_dir(),
) {
let mut cache_dir = data_local_dir.clone();
let mut config_dir = data_dir.clone();
let mut data_dir = data_local_dir.clone();
if let Some(name) = name {
cache_dir.push(&name);
config_dir.push(&name);
data_dir.push(&name);
}
let state_dir = data_dir.clone();
Some(AppDirs {
cache_dir,
config_dir,
data_dir,
state_dir,
})
} else {
None
}
} else if let Some(home_dir) = home_dir() {
let mut cache_dir = env::var_os("XDG_CACHE_HOME")
.and_then(is_absolute_path)
.unwrap_or_else(|| home_dir.join(".cache"));
let mut config_dir = env::var_os("XDG_CONFIG_HOME")
.and_then(is_absolute_path)
.unwrap_or_else(|| home_dir.join(".config"));
let mut data_dir = env::var_os("XDG_DATA_HOME")
.and_then(is_absolute_path)
.unwrap_or_else(|| home_dir.join(".local/share"));
let mut state_dir = env::var_os("XDG_STATE_HOME")
.and_then(is_absolute_path)
.unwrap_or_else(|| home_dir.join(".local/state"));
if let Some(name) = name {
cache_dir.push(&name);
config_dir.push(&name);
data_dir.push(&name);
state_dir.push(&name);
}
Some(AppDirs {
cache_dir,
config_dir,
data_dir,
state_dir,
})
} else {
None
}
}
}
impl UserDirs {
pub fn new() -> Option<Self> {
if let Some(home_dir) = home_dir() {
Some(UserDirs {
desktop_dir: dirs_next::desktop_dir().unwrap_or_else(|| home_dir.join("Desktop")),
document_dir: dirs_next::document_dir()
.unwrap_or_else(|| home_dir.join("Documents")),
download_dir: dirs_next::download_dir()
.unwrap_or_else(|| home_dir.join("Downloads")),
music_dir: dirs_next::audio_dir().unwrap_or_else(|| home_dir.join("Music")),
picture_dir: dirs_next::picture_dir().unwrap_or_else(|| home_dir.join("Pictures")),
public_dir: dirs_next::public_dir().unwrap_or_else(|| home_dir.join("Public")),
video_dir: dirs_next::video_dir().unwrap_or_else(|| {
if cfg!(target_os = "macos") {
home_dir.join("Movies")
} else {
home_dir.join("Videos")
}
}),
})
} else {
None
}
}
}
#[cfg(test)]
mod tests {
use super::*;
fn test_xdg() {
let home_dir = home_dir().unwrap();
let config_env = env::var_os("XDG_CONFIG_HOME");
env::set_var("XDG_CONFIG_HOME", "");
let app_dirs = AppDirs::new(None, AppUI::CommandLine).unwrap();
assert!(app_dirs.config_dir == home_dir.join(".config"));
env::set_var("XDG_CONFIG_HOME", "/home/cjbassi/foo");
let app_dirs = AppDirs::new(Some("bar"), AppUI::CommandLine).unwrap();
assert!(app_dirs.config_dir == home_dir.join("/home/cjbassi/foo/bar"));
if let Some(config_env) = config_env {
env::set_var("XDG_CONFIG_HOME", config_env);
}
}
#[test]
fn test_config_dir() {
if cfg!(target_os = "macos") {
let home_dir = home_dir().unwrap();
let app_dirs = AppDirs::new(Some("foo"), AppUI::Graphical).unwrap();
assert_eq!(
app_dirs.config_dir,
home_dir
.join("Library")
.join("Application Support")
.join("foo"),
);
test_xdg();
} else if cfg!(target_os = "windows") {
let home_dir = home_dir().unwrap();
let app_dirs = AppDirs::new(Some("foo"), AppUI::Graphical).unwrap();
assert_eq!(
app_dirs.config_dir,
home_dir.join("AppData").join("Roaming").join("foo")
);
} else {
test_xdg();
}
}
#[test]
fn test_music_dir() {
let music_dir = home_dir().unwrap().join("Music");
let user_dirs = UserDirs::new().unwrap();
assert!(user_dirs.music_dir == music_dir);
}
}