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|
use crate::{
error::prelude::*,
file::File,
user::{args::Layout, column, Context},
};
use std::fmt::{self, Write};
/// Concerned with how to present long-format for a particular file.
#[cfg(unix)]
mod long;
pub type RowFormatter<'a> = Box<dyn FnMut(&File, String) -> fmt::Result + 'a>;
#[cfg(unix)]
pub fn formatter<'a>(buf: &'a mut String, ctx: &'a Context) -> Result<RowFormatter<'a>> {
match ctx.layout {
Layout::Flat => {
let root = ctx.dir_canonical()?;
match (ctx.long.long, ctx.suppress_size) {
(false, false) => Ok(Box::new(move |file, prefix| {
let size = format!("{}", file.size());
let base = root.ancestors().nth(1);
let name = file.display_path(base);
let column::Metadata { max_size_width, .. } = ctx.column_metadata;
if ctx.icons {
let icon = file.icon();
writeln!(buf, "{size:>max_size_width$} {prefix}{icon:<2}{name}")
} else {
writeln!(buf, "{size:>max_size_width$} {prefix}{name}")
}
})),
(false, true) => Ok(Box::new(move |file, prefix| {
let base = root.ancestors().nth(1);
let name = file.display_path(base);
if ctx.icons {
let icon = file.icon();
writeln!(buf, "{prefix}{icon:<2}{name}")
} else {
writeln!(buf, "{prefix}{name}")
}
})),
(true, false) => Ok(Box::new(move |file, prefix| {
let size = format!("{}", file.size());
let base = root.ancestors().nth(1);
let name = file.display_path(base);
let col_widths = ctx.column_metadata;
let column::Metadata { max_size_width, .. } = col_widths;
let long_format = long::Format::new(file, ctx);
if ctx.icons {
let icon = file.icon();
writeln!(
buf,
"{long_format} {size:>max_size_width$} {prefix}{icon:<2}{name}"
)
} else {
writeln!(buf, "{long_format} {size:>max_size_width$} {prefix}{name}")
}
})),
(true, true) => Ok(Box::new(move |file, prefix| {
let base = root.ancestors().nth(1);
let name = file.display_path(base);
let long_format = long::Format::new(file, ctx);
if ctx.icons {
let icon = file.icon();
writeln!(buf, "{long_format} {prefix}{icon:<2}{name}")
} else {
writeln!(buf, "{long_format} {prefix}{name}")
}
})),
}
},
_ => match (ctx.long.long, ctx.suppress_size) {
(false, false) => Ok(Box::new(|file, prefix| {
let size = format!("{}", file.size());
let name = file.display_name();
let column::Metadata { max_size_width, .. } = ctx.column_metadata;
if ctx.icons {
let icon = file.icon();
writeln!(buf, "{size:>max_size_width$} {prefix}{icon:<2}{name}")
} else {
writeln!(buf, "{size:>max_size_width$} {prefix}{name}")
}
})),
(false, true) => Ok(Box::new(|file, prefix| {
let name = file.display_name();
if ctx.icons {
let icon = file.icon();
writeln!(buf, "{prefix}{icon:<2}{name}")
} else {
writeln!(buf, "{prefix}{name}")
}
})),
(true, false) => Ok(Box::new(|file, prefix| {
let size = format!("{}", file.size());
let name = file.display_name();
let col_widths = ctx.column_metadata;
let column::Metadata { max_size_width, .. } = col_widths;
let long_format = long::Format::new(file, ctx);
if ctx.icons {
let icon = file.icon();
writeln!(
buf,
"{long_format} {size:>max_size_width$} {prefix}{icon:<2}{name}"
)
} else {
writeln!(buf, "{long_format} {size:>max_size_width$} {prefix}{name}")
}
})),
(true, true) => Ok(Box::new(|file, prefix| {
let name = file.display_name();
let long_format = long::Format::new(file, ctx);
if ctx.icons {
let icon = file.icon();
writeln!(buf, "{long_format} {prefix}{icon:<2}{name}")
} else {
writeln!(buf, "{long_format} {prefix}{name}")
}
})),
},
}
}
#[cfg(windows)]
pub fn formatter<'a>(buf: &'a mut String, ctx: &'a Context) -> Result<RowFormatter<'a>> {
match ctx.layout {
Layout::Flat => {
let root = ctx.dir_canonical()?;
if ctx.suppress_size {
Ok(Box::new(move |file, prefix| {
let base = root.ancestors().nth(1);
let name = file.display_path(base);
if ctx.icons {
let icon = file.icon();
writeln!(buf, "{prefix}{icon:<2}{name}")
} else {
writeln!(buf, "{prefix}{name}")
}
}))
} else {
Ok(Box::new(move |file, prefix| {
let size = format!("{}", file.size());
let base = root.ancestors().nth(1);
let name = file.display_path(base);
let column::Metadata { max_size_width, .. } = ctx.column_metadata;
if ctx.icons {
let icon = file.icon();
writeln!(buf, "{size:>max_size_width$} {prefix}{icon:<2}{name}")
} else {
writeln!(buf, "{size:>max_size_width$} {prefix}{name}")
}
}))
}
},
_ => {
if ctx.suppress_size {
Ok(Box::new(|file, prefix| {
let name = file.display_name();
if ctx.icons {
let icon = file.icon();
writeln!(buf, "{prefix}{icon:<2}{name}")
} else {
writeln!(buf, "{prefix}{name}")
}
}))
} else {
Ok(Box::new(|file, prefix| {
let size = format!("{}", file.size());
let name = file.display_name();
let column::Metadata { max_size_width, .. } = ctx.column_metadata;
if ctx.icons {
let icon = file.icon();
writeln!(buf, "{size:>max_size_width$} {prefix}{icon:<2}{name}")
} else {
writeln!(buf, "{size:>max_size_width$} {prefix}{name}")
}
}))
}
},
}
}
|
