mirror of
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108 lines
3.4 KiB
Rust
108 lines
3.4 KiB
Rust
// Copyright (c) 2017 fd developers
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// Licensed under the Apache License, Version 2.0
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// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0>
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// or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
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// at your option. All files in the project carrying such
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// notice may not be copied, modified, or distributed except
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// according to those terms.
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use crate::exit_codes::ExitCode;
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use crate::internal::opts::FdOptions;
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use lscolors::{LsColors, Style};
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use std::io::{self, Write};
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use std::ops::Deref;
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use std::path::{self, Component, Path, PathBuf};
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use std::process;
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use std::sync::atomic::{AtomicBool, Ordering};
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use std::sync::Arc;
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use ansi_term;
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/// Remove the `./` prefix from a path.
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fn strip_current_dir<'a>(pathbuf: &'a PathBuf) -> &'a Path {
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let mut iter = pathbuf.components();
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let mut iter_next = iter.clone();
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if iter_next.next() == Some(Component::CurDir) {
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iter.next();
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}
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iter.as_path()
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}
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pub fn print_entry(entry: &PathBuf, config: &FdOptions, wants_to_quit: &Arc<AtomicBool>) {
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let path = if entry.is_absolute() {
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entry.as_path()
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} else {
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strip_current_dir(entry)
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};
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let r = if let Some(ref ls_colors) = config.ls_colors {
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print_entry_colorized(path, config, ls_colors, &wants_to_quit)
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} else {
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print_entry_uncolorized(path, config)
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};
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if r.is_err() {
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// Probably a broken pipe. Exit gracefully.
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process::exit(ExitCode::GeneralError.into());
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}
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}
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fn print_entry_colorized(
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path: &Path,
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config: &FdOptions,
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ls_colors: &LsColors,
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wants_to_quit: &Arc<AtomicBool>,
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) -> io::Result<()> {
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let default_style = ansi_term::Style::default();
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let stdout = io::stdout();
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let mut handle = stdout.lock();
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// Separator to use before the current component.
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let mut separator = String::new();
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// Full path to the current component.
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let mut component_path = PathBuf::new();
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// Traverse the path and colorize each component
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for component in path.components() {
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let comp_str = component.as_os_str().to_string_lossy();
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component_path.push(Path::new(comp_str.deref()));
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let style = ls_colors.style_for_path(&component_path);
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let style = style
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.map(Style::to_ansi_term_style)
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.unwrap_or(default_style);
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write!(handle, "{}{}", separator, style.paint(comp_str))?;
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// Determine separator to print before next component.
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separator = match component {
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// Prefix needs no separator, as it is always followed by RootDir.
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Component::Prefix(_) => String::new(),
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// RootDir is already a separator.
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Component::RootDir => String::new(),
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// Everything else uses a separator that is painted the same way as the component.
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_ => style.paint(path::MAIN_SEPARATOR.to_string()).to_string(),
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};
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if wants_to_quit.load(Ordering::Relaxed) {
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write!(handle, "\n")?;
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process::exit(ExitCode::KilledBySigint.into());
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}
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}
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if config.null_separator {
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write!(handle, "\0")
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} else {
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writeln!(handle, "")
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}
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}
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fn print_entry_uncolorized(path: &Path, config: &FdOptions) -> io::Result<()> {
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let separator = if config.null_separator { "\0" } else { "\n" };
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let path_str = path.to_string_lossy();
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write!(&mut io::stdout(), "{}{}", path_str, separator)
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}
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