2014-06-20 20:07:53 +00:00
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use std::io::{fs, IoResult};
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2014-06-16 23:27:05 +00:00
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use file::File;
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2015-01-24 12:38:05 +00:00
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/// A **Dir** provides a cached list of the file paths in a directory that's
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/// being listed.
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///
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/// This object gets passed to the Files themselves, in order for them to
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/// check the existence of surrounding files, then highlight themselves
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/// accordingly. (See `File#get_source_files`)
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2014-11-26 07:40:52 +00:00
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pub struct Dir {
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2015-01-26 17:26:11 +00:00
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contents: Vec<Path>,
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path: Path,
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2014-06-16 23:27:05 +00:00
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}
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2014-11-26 07:40:52 +00:00
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impl Dir {
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2015-01-24 12:38:05 +00:00
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/// Create a new Dir object filled with all the files in the directory
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/// pointed to by the given path. Fails if the directory can't be read, or
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/// isn't actually a directory.
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2014-11-26 07:40:52 +00:00
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pub fn readdir(path: Path) -> IoResult<Dir> {
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2014-06-20 20:07:53 +00:00
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fs::readdir(&path).map(|paths| Dir {
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contents: paths,
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2014-06-21 18:39:27 +00:00
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path: path.clone(),
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2014-06-20 20:07:53 +00:00
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})
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2014-06-16 23:27:05 +00:00
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}
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2015-01-24 12:38:05 +00:00
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/// Produce a vector of File objects from an initialised directory,
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/// printing out an error if any of the Files fail to be created.
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2014-11-26 07:40:52 +00:00
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pub fn files(&self) -> Vec<File> {
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2014-06-20 20:07:53 +00:00
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let mut files = vec![];
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2014-12-12 12:08:14 +00:00
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2014-06-20 20:07:53 +00:00
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for path in self.contents.iter() {
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2014-12-12 14:06:48 +00:00
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match File::from_path(path, Some(self)) {
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2014-11-24 02:12:52 +00:00
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Ok(file) => files.push(file),
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Err(e) => println!("{}: {}", path.display(), e),
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2014-06-20 20:07:53 +00:00
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}
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}
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2014-12-12 12:08:14 +00:00
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2014-06-20 20:07:53 +00:00
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files
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2014-06-16 23:27:05 +00:00
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}
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2015-01-24 12:38:05 +00:00
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/// Whether this directory contains a file with the given path.
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2014-06-16 23:27:05 +00:00
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pub fn contains(&self, path: &Path) -> bool {
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self.contents.contains(path)
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}
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2015-01-26 17:26:11 +00:00
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/// Append a path onto the path specified by this directory.
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pub fn join(&self, child: Path) -> Path {
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self.path.join(child)
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}
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2014-06-16 23:27:05 +00:00
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}
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