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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| use ansi_term::{ANSIString, Style}; | ||
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| pub fn escape<'a>(string: String, bits: &mut Vec<ANSIString<'a>>, good: Style, bad: Style) { | ||
| if string.chars().all(|c| c >= 0x20 as char) { | ||
| bits.push(good.paint(string)); | ||
| } | ||
| else { | ||
| for c in string.chars() { | ||
| // The `escape_default` method on `char` is *almost* what we want here, but | ||
| // it still escapes non-ASCII UTF-8 characters, which are still printable. | ||
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| if c >= 0x20 as char { | ||
| // TODO: This allocates way too much, | ||
| // hence the `all` check above. | ||
| let mut s = String::new(); | ||
| s.push(c); | ||
| bits.push(good.paint(s)); | ||
| } else { | ||
| let s = c.escape_default().collect::<String>(); | ||
| bits.push(bad.paint(s)); | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,151 @@ | ||
| use std::path::Path; | ||
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| use ansi_term::{ANSIString, Style}; | ||
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| use fs::{File, FileTarget}; | ||
| use output::Colours; | ||
| use output::escape; | ||
| use output::cell::TextCellContents; | ||
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| pub struct FileName<'a, 'dir: 'a> { | ||
| file: &'a File<'dir>, | ||
| colours: &'a Colours, | ||
| } | ||
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| impl<'a, 'dir> FileName<'a, 'dir> { | ||
| pub fn new(file: &'a File<'dir>, colours: &'a Colours) -> FileName<'a, 'dir> { | ||
| FileName { | ||
| file: file, | ||
| colours: colours, | ||
| } | ||
| } | ||
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| pub fn paint(&self, links: bool, classify: bool) -> TextCellContents { | ||
| let mut bits = Vec::new(); | ||
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| if self.file.dir.is_none() { | ||
| if let Some(parent) = self.file.path.parent() { | ||
| self.add_parent_bits(&mut bits, parent); | ||
| } | ||
| } | ||
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| if !self.file.name.is_empty() { | ||
| for bit in self.coloured_file_name() { | ||
| bits.push(bit); | ||
| } | ||
| } | ||
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| if links && self.file.is_link() { | ||
| match self.file.link_target() { | ||
| FileTarget::Ok(target) => { | ||
| bits.push(Style::default().paint(" ")); | ||
| bits.push(self.colours.punctuation.paint("->")); | ||
| bits.push(Style::default().paint(" ")); | ||
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| if let Some(parent) = target.path.parent() { | ||
| self.add_parent_bits(&mut bits, parent); | ||
| } | ||
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| if !target.name.is_empty() { | ||
| let target = FileName::new(&target, self.colours); | ||
| for bit in target.coloured_file_name() { | ||
| bits.push(bit); | ||
| } | ||
| } | ||
| }, | ||
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| FileTarget::Broken(broken_path) => { | ||
| bits.push(Style::default().paint(" ")); | ||
| bits.push(self.colours.broken_arrow.paint("->")); | ||
| bits.push(Style::default().paint(" ")); | ||
| escape(broken_path.display().to_string(), &mut bits, self.colours.broken_filename, self.colours.control_char.underline()); | ||
| }, | ||
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| FileTarget::Err(_) => { | ||
| // Do nothing -- the error gets displayed on the next line | ||
| } | ||
| } | ||
| } | ||
| else if classify { | ||
| if let Some(class) = self.classify_char() { | ||
| bits.push(Style::default().paint(class)); | ||
| } | ||
| } | ||
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| bits.into() | ||
| } | ||
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| /// Adds the bits of the parent path to the given bits vector. | ||
| /// The path gets its characters escaped based on the colours. | ||
| fn add_parent_bits(&self, bits: &mut Vec<ANSIString>, parent: &Path) { | ||
| let coconut = parent.components().count(); | ||
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| if coconut == 1 && parent.has_root() { | ||
| bits.push(self.colours.symlink_path.paint("/")); | ||
| } | ||
| else if coconut >= 1 { | ||
| escape(parent.to_string_lossy().to_string(), bits, self.colours.symlink_path, self.colours.control_char); | ||
| bits.push(self.colours.symlink_path.paint("/")); | ||
| } | ||
| } | ||
|
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| /// The character to be displayed after a file when classifying is on, if | ||
| /// the file’s type has one associated with it. | ||
| fn classify_char(&self) -> Option<&'static str> { | ||
| if self.file.is_executable_file() { | ||
| Some("*") | ||
| } else if self.file.is_directory() { | ||
| Some("/") | ||
| } else if self.file.is_pipe() { | ||
| Some("|") | ||
| } else if self.file.is_link() { | ||
| Some("@") | ||
| } else if self.file.is_socket() { | ||
| Some("=") | ||
| } else { | ||
| None | ||
| } | ||
| } | ||
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| /// Returns at least one ANSI-highlighted string representing this file’s | ||
| /// name using the given set of colours. | ||
| /// | ||
| /// Ordinarily, this will be just one string: the file’s complete name, | ||
| /// coloured according to its file type. If the name contains control | ||
| /// characters such as newlines or escapes, though, we can’t just print them | ||
| /// to the screen directly, because then there’ll be newlines in weird places. | ||
| /// | ||
| /// So in that situation, those characters will be escaped and highlighted in | ||
| /// a different colour. | ||
| fn coloured_file_name<'unused>(&self) -> Vec<ANSIString<'unused>> { | ||
| let file_style = self.style(); | ||
| let mut bits = Vec::new(); | ||
| escape(self.file.name.clone(), &mut bits, file_style, self.colours.control_char); | ||
| bits | ||
| } | ||
|
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| pub fn style(&self) -> Style { | ||
| match self.file { | ||
| f if f.is_directory() => self.colours.filetypes.directory, | ||
| f if f.is_executable_file() => self.colours.filetypes.executable, | ||
| f if f.is_link() => self.colours.filetypes.symlink, | ||
| f if f.is_pipe() => self.colours.filetypes.pipe, | ||
| f if f.is_char_device() | ||
| | f.is_block_device() => self.colours.filetypes.device, | ||
| f if f.is_socket() => self.colours.filetypes.socket, | ||
| f if !f.is_file() => self.colours.filetypes.special, | ||
| f if f.is_immediate() => self.colours.filetypes.immediate, | ||
| f if f.is_image() => self.colours.filetypes.image, | ||
| f if f.is_video() => self.colours.filetypes.video, | ||
| f if f.is_music() => self.colours.filetypes.music, | ||
| f if f.is_lossless() => self.colours.filetypes.lossless, | ||
| f if f.is_crypto() => self.colours.filetypes.crypto, | ||
| f if f.is_document() => self.colours.filetypes.document, | ||
| f if f.is_compressed() => self.colours.filetypes.compressed, | ||
| f if f.is_temp() => self.colours.filetypes.temp, | ||
| f if f.is_compiled() => self.colours.filetypes.compiled, | ||
| _ => self.colours.filetypes.normal, | ||
| } | ||
| } | ||
| } |
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