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Extract symlink stuff into its own method

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Benjamin Sago 2015-01-24 17:32:30 +00:00
parent 449592c150
commit c53a0156e6
1 changed files with 39 additions and 30 deletions
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69
src/file.rs
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@ -84,46 +84,55 @@ impl<'a> File<'a> {
/// The "file name view" is what's displayed in the column and lines /// The "file name view" is what's displayed in the column and lines
/// views, but *not* in the grid view. /// views, but *not* in the grid view.
/// ///
/// It consists of the file name coloured in the appropriate style, and, /// It consists of the file name coloured in the appropriate style,
/// if it's a symlink, an arrow pointing to the file it links to, also /// with special formatting for a symlink.
pub fn file_name_view(&self) -> Cell {
if self.stat.kind == io::FileType::Symlink {
self.symlink_file_name_view()
}
else {
Cell {
length: 0, // This length is ignored (rightmost column)
text: self.file_colour().paint(&*self.name).to_string(),
}
}
}
/// If this file is a symlink, returns a string displaying its name,
/// and an arrow pointing to the file it links to, which is also
/// coloured in the appropriate style. /// coloured in the appropriate style.
/// ///
/// If the symlink target doesn't exist, then instead of displaying /// If the symlink target doesn't exist, then instead of displaying
/// an error, highlight the target and arrow in red. The error would /// an error, highlight the target and arrow in red. The error would
/// be shown out of context, and it's almost always because the /// be shown out of context, and it's almost always because the
/// target doesn't exist. /// target doesn't exist.
pub fn file_name_view(&self) -> Cell { fn symlink_file_name_view(&self) -> Cell {
let name = &*self.name; let name = &*self.name;
let style = self.file_colour(); let style = self.file_colour();
if self.stat.kind == io::FileType::Symlink { if let Ok(path) = fs::readlink(&self.path) {
match fs::readlink(&self.path) { let target_path = match self.dir {
Ok(path) => { Some(dir) => dir.path.join(path),
let target_path = match self.dir { None => path,
Some(dir) => dir.path.join(path), };
None => path,
};
match self.target_file(&target_path) { match self.target_file(&target_path) {
Ok(file) => Cell { Ok(file) => Cell {
length: 0, // These lengths are never actually used... length: 0, // These lengths are never actually used...
text: format!("{} {} {}{}{}", text: format!("{} {} {}{}{}",
style.paint(name), style.paint(name),
GREY.paint("=>"), GREY.paint("=>"),
Cyan.paint(target_path.dirname_str().unwrap()), Cyan.paint(target_path.dirname_str().unwrap()),
Cyan.paint("/"), Cyan.paint("/"),
file.file_colour().paint(file.name.as_slice())), file.file_colour().paint(file.name.as_slice())),
}, },
Err(filename) => Cell { Err(filename) => Cell {
length: 0, // ...because the rightmost column lengths are ignored! length: 0, // ...because the rightmost column lengths are ignored!
text: format!("{} {} {}", text: format!("{} {} {}",
style.paint(name), style.paint(name),
Red.paint("=>"), Red.paint("=>"),
Red.underline().paint(filename.as_slice())), Red.underline().paint(filename.as_slice())),
}, },
}
}
Err(_) => Cell::paint(style, name),
} }
} }
else { else {