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|
use crate::color::{self, Colors};
use crate::display;
use crate::flags::{Display, Flags, IconTheme, Layout, WhenFlag};
use crate::icon::{self, Icons};
use crate::meta::Meta;
use crate::sort;
use std::fs;
use std::path::PathBuf;
#[cfg(not(target_os = "windows"))]
use std::io;
#[cfg(not(target_os = "windows"))]
use std::os::unix::io::AsRawFd;
#[cfg(target_os = "windows")]
use terminal_size::terminal_size;
pub struct Core {
flags: Flags,
icons: Icons,
//display: Display,
colors: Colors,
}
impl Core {
pub fn new(flags: Flags) -> Self {
// Check through libc if stdout is a tty. Unix specific so not on windows.
// Determine color output availability (and initialize color output (for Windows 10))
#[cfg(not(target_os = "windows"))]
let tty_available = unsafe { libc::isatty(io::stdout().as_raw_fd()) == 1 };
#[cfg(not(target_os = "windows"))]
let console_color_ok = true;
#[cfg(target_os = "windows")]
let tty_available = terminal_size().is_some(); // terminal_size allows us to know if the stdout is a tty or not.
#[cfg(target_os = "windows")]
let console_color_ok = ansi_term::enable_ansi_support().is_ok();
let mut inner_flags = flags.clone();
let color_theme = match (tty_available && console_color_ok, flags.color) {
(_, WhenFlag::Never) | (false, WhenFlag::Auto) => color::Theme::NoColor,
_ => color::Theme::Default,
};
let icon_theme = match (tty_available, flags.icon, flags.icon_theme) {
(_, WhenFlag::Never, _) | (false, WhenFlag::Auto, _) => icon::Theme::NoIcon,
(_, _, IconTheme::Fancy) => icon::Theme::Fancy,
(_, _, IconTheme::Unicode) => icon::Theme::Unicode,
};
if !tty_available {
// The output is not a tty, this means the command is piped. (ex: lsd -l | less)
//
// Most of the programs does not handle correctly the ansi colors
// or require a raw output (like the `wc` command).
inner_flags.layout = Layout::OneLine;
};
Self {
flags,
//display: Display::new(inner_flags),
colors: Colors::new(color_theme),
icons: Icons::new(icon_theme),
}
}
pub fn run(self, paths: Vec<PathBuf>) {
let mut meta_list = self.fetch(paths);
self.sort(&mut meta_list);
self.display(&meta_list)
}
fn fetch(&self, paths: Vec<PathBuf>) -> Vec<Meta> {
let mut meta_list = Vec::with_capacity(paths.len());
let depth = match self.flags.layout {
Layout::Tree { .. } => self.flags.recursion_depth,
_ if self.flags.recursive => self.flags.recursion_depth,
_ => 1,
};
for path in paths {
if let Err(err) = fs::canonicalize(&path) {
eprintln!("cannot access '{}': {}", path.display(), err);
continue;
}
let mut meta = match Meta::from_path(&path) {
Ok(meta) => meta,
Err(err) => {
eprintln!("cannot access '{}': {}", path.display(), err);
continue;
}
};
match self.flags.display {
Display::DisplayDirectoryItself => {
meta_list.push(meta);
}
_ => {
match meta.recurse_into(depth, self.flags.display, &self.flags.ignore_globs) {
Ok(content) => {
meta.content = content;
meta_list.push(meta);
}
Err(err) => {
eprintln!("cannot access '{}': {}", path.display(), err);
continue;
}
};
}
};
}
if self.flags.total_size {
for meta in &mut meta_list.iter_mut() {
meta.calculate_total_size();
}
}
meta_list
}
fn sort(&self, metas: &mut Vec<Meta>) {
metas.sort_unstable_by(|a, b| sort::by_meta(a, b, &self.flags));
for meta in metas {
if let Some(ref mut content) = meta.content {
self.sort(content);
}
}
}
fn display(&self, metas: &[Meta]) {
let output = match self.flags.layout {
Layout::OneLine { .. } => {
display::one_line(&metas, &self.flags, &self.colors, &self.icons)
}
Layout::Tree { .. } => display::tree(&metas, &self.flags, &self.colors, &self.icons),
Layout::Grid => display::grid(&metas, &self.flags, &self.colors, &self.icons),
};
print!("{}", output);
}
}
|
