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Move the functions in output to their own module

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It didn’t feel quite right to have stand-alone functions in the module root file, which is usually just reserved for modules and exports.
This commit is contained in:
Benjamin Sago 2017-05-01 15:17:07 +01:00
parent 3ebc22580a
commit 79feeba67d
5 changed files with 149 additions and 147 deletions
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2
src/output/details.rs
View File

@ -101,7 +101,7 @@ use output::colours::Colours;
use output::column::{Alignment, Column, Columns, SizeFormat};
use output::cell::{TextCell, DisplayWidth};
use output::tree::TreeTrunk;
use super::filename;
use output::file_name::filename;
/// With the **Details** view, the output gets formatted into columns, with

145
src/output/file_name.rs Normal file
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@ -0,0 +1,145 @@
use ansi_term::{ANSIString, Style};
use fs::{File, FileTarget};
use output::Colours;
use output::cell::TextCellContents;
pub fn filename(file: &File, colours: &Colours, links: bool, classify: bool) -> TextCellContents {
let mut bits = Vec::new();
// TODO: This long function could do with some splitting up.
if file.dir.is_none() {
if let Some(parent) = file.path.parent() {
let coconut = parent.components().count();
if coconut == 1 && parent.has_root() {
bits.push(colours.symlink_path.paint("/"));
}
else if coconut >= 1 {
bits.push(colours.symlink_path.paint(parent.to_string_lossy().to_string()));
bits.push(colours.symlink_path.paint("/"));
}
}
}
if !file.name.is_empty() {
for bit in coloured_file_name(file, colours) {
bits.push(bit);
}
}
if links && file.is_link() {
match file.link_target() {
FileTarget::Ok(target) => {
bits.push(Style::default().paint(" "));
bits.push(colours.punctuation.paint("->"));
bits.push(Style::default().paint(" "));
if let Some(parent) = target.path.parent() {
let coconut = parent.components().count();
if coconut == 1 && parent.has_root() {
bits.push(colours.symlink_path.paint("/"));
}
else if coconut >= 1 {
bits.push(colours.symlink_path.paint(parent.to_string_lossy().to_string()));
bits.push(colours.symlink_path.paint("/"));
}
}
if !target.name.is_empty() {
bits.push(file_colour(colours, &target).paint(target.name));
}
},
FileTarget::Broken(broken_path) => {
bits.push(Style::default().paint(" "));
bits.push(colours.broken_arrow.paint("->"));
bits.push(Style::default().paint(" "));
bits.push(colours.broken_filename.paint(broken_path.display().to_string()));
},
FileTarget::Err(_) => {
// Do nothing -- the error gets displayed on the next line
}
}
} else if classify {
if file.is_executable_file() {
bits.push(Style::default().paint("*"));
} else if file.is_directory() {
bits.push(Style::default().paint("/"));
} else if file.is_pipe() {
bits.push(Style::default().paint("|"));
} else if file.is_link() {
bits.push(Style::default().paint("@"));
} else if file.is_socket() {
bits.push(Style::default().paint("="));
}
}
bits.into()
}
/// 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<'a>(file: &File, colours: &Colours) -> Vec<ANSIString<'a>> {
let colour = file_colour(colours, file);
let mut bits = Vec::new();
if file.name.chars().all(|c| c >= 0x20 as char) {
bits.push(colour.paint(file.name.clone()));
}
else {
for c in file.name.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.
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(colour.paint(s));
} else {
let s = c.escape_default().collect::<String>();
bits.push(colours.control_char.paint(s));
}
}
}
bits
}
pub fn file_colour(colours: &Colours, file: &File) -> Style {
match file {
f if f.is_directory() => colours.filetypes.directory,
f if f.is_executable_file() => colours.filetypes.executable,
f if f.is_link() => colours.filetypes.symlink,
f if f.is_pipe() => colours.filetypes.pipe,
f if f.is_char_device()
| f.is_block_device() => colours.filetypes.device,
f if f.is_socket() => colours.filetypes.socket,
f if !f.is_file() => colours.filetypes.special,
f if f.is_immediate() => colours.filetypes.immediate,
f if f.is_image() => colours.filetypes.image,
f if f.is_video() => colours.filetypes.video,
f if f.is_music() => colours.filetypes.music,
f if f.is_lossless() => colours.filetypes.lossless,
f if f.is_crypto() => colours.filetypes.crypto,
f if f.is_document() => colours.filetypes.document,
f if f.is_compressed() => colours.filetypes.compressed,
f if f.is_temp() => colours.filetypes.temp,
f if f.is_compiled() => colours.filetypes.compiled,
_ => colours.filetypes.normal,
}
}

2
src/output/grid.rs
View File

@ -5,7 +5,7 @@ use term_grid as grid;
use fs::File;
use output::DisplayWidth;
use output::colours::Colours;
use super::filename;
use output::file_name::filename;
#[derive(PartialEq, Debug, Copy, Clone)]

2
src/output/lines.rs
View File

@ -4,7 +4,7 @@ use ansi_term::ANSIStrings;
use fs::File;
use super::filename;
use output::file_name::filename;
use super::colours::Colours;

145
src/output/mod.rs
View File

@ -1,7 +1,3 @@
use ansi_term::{ANSIString, Style};
use fs::{File, FileTarget};
pub use self::cell::{TextCell, TextCellContents, DisplayWidth};
pub use self::colours::Colours;
pub use self::details::Details;
@ -17,143 +13,4 @@ pub mod column;
mod cell;
mod colours;
mod tree;
pub fn filename(file: &File, colours: &Colours, links: bool, classify: bool) -> TextCellContents {
let mut bits = Vec::new();
// TODO: This long function could do with some splitting up.
if file.dir.is_none() {
if let Some(parent) = file.path.parent() {
let coconut = parent.components().count();
if coconut == 1 && parent.has_root() {
bits.push(colours.symlink_path.paint("/"));
}
else if coconut >= 1 {
bits.push(colours.symlink_path.paint(parent.to_string_lossy().to_string()));
bits.push(colours.symlink_path.paint("/"));
}
}
}
if !file.name.is_empty() {
for bit in coloured_file_name(file, colours) {
bits.push(bit);
}
}
if links && file.is_link() {
match file.link_target() {
FileTarget::Ok(target) => {
bits.push(Style::default().paint(" "));
bits.push(colours.punctuation.paint("->"));
bits.push(Style::default().paint(" "));
if let Some(parent) = target.path.parent() {
let coconut = parent.components().count();
if coconut == 1 && parent.has_root() {
bits.push(colours.symlink_path.paint("/"));
}
else if coconut >= 1 {
bits.push(colours.symlink_path.paint(parent.to_string_lossy().to_string()));
bits.push(colours.symlink_path.paint("/"));
}
}
if !target.name.is_empty() {
bits.push(file_colour(colours, &target).paint(target.name));
}
},
FileTarget::Broken(broken_path) => {
bits.push(Style::default().paint(" "));
bits.push(colours.broken_arrow.paint("->"));
bits.push(Style::default().paint(" "));
bits.push(colours.broken_filename.paint(broken_path.display().to_string()));
},
FileTarget::Err(_) => {
// Do nothing -- the error gets displayed on the next line
}
}
} else if classify {
if file.is_executable_file() {
bits.push(Style::default().paint("*"));
} else if file.is_directory() {
bits.push(Style::default().paint("/"));
} else if file.is_pipe() {
bits.push(Style::default().paint("|"));
} else if file.is_link() {
bits.push(Style::default().paint("@"));
} else if file.is_socket() {
bits.push(Style::default().paint("="));
}
}
bits.into()
}
/// 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<'a>(file: &File, colours: &Colours) -> Vec<ANSIString<'a>> {
let colour = file_colour(colours, file);
let mut bits = Vec::new();
if file.name.chars().all(|c| c >= 0x20 as char) {
bits.push(colour.paint(file.name.clone()));
}
else {
for c in file.name.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.
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(colour.paint(s));
} else {
let s = c.escape_default().collect::<String>();
bits.push(colours.control_char.paint(s));
}
}
}
bits
}
pub fn file_colour(colours: &Colours, file: &File) -> Style {
match file {
f if f.is_directory() => colours.filetypes.directory,
f if f.is_executable_file() => colours.filetypes.executable,
f if f.is_link() => colours.filetypes.symlink,
f if f.is_pipe() => colours.filetypes.pipe,
f if f.is_char_device()
| f.is_block_device() => colours.filetypes.device,
f if f.is_socket() => colours.filetypes.socket,
f if !f.is_file() => colours.filetypes.special,
f if f.is_immediate() => colours.filetypes.immediate,
f if f.is_image() => colours.filetypes.image,
f if f.is_video() => colours.filetypes.video,
f if f.is_music() => colours.filetypes.music,
f if f.is_lossless() => colours.filetypes.lossless,
f if f.is_crypto() => colours.filetypes.crypto,
f if f.is_document() => colours.filetypes.document,
f if f.is_compressed() => colours.filetypes.compressed,
f if f.is_temp() => colours.filetypes.temp,
f if f.is_compiled() => colours.filetypes.compiled,
_ => colours.filetypes.normal,
}
}
pub mod file_name;