mirror of
https://github.com/nushell/nushell.git
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Cat with wings (#1993)
* WIP - Modified textview to use bat crate * use input_from_bytes_with_name instead of input_file * removed old paging added prettyprint on else blocks duplicated too much code hard coded defaults Co-authored-by: Darren Schroeder <fdncred@hotmail.com>
This commit is contained in:
Darren Schroeder
GitHub
parent
1b6f94b46c
commit
6914099e28
322
Cargo.lock
generated
322
Cargo.lock
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@ -24,6 +24,15 @@ dependencies = [
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|
||||
name = "terminal_size"
|
||||
version = "0.1.12"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8038f95fc7a6f351163f4b964af631bd26c9e828f7db085f2a84aca56f70d13b"
|
||||
dependencies = [
|
||||
"libc",
|
||||
"winapi 0.3.8",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "termios"
|
||||
version = "0.3.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6f0fcee7b24a25675de40d5bb4de6e41b0df07bc9856295e7e2b3a3600c400c2"
|
||||
dependencies = [
|
||||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "textwrap"
|
||||
version = "0.11.0"
|
||||
@ -4323,6 +4636,15 @@ version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "effc0e4ff8085673ea7b9b2e3c73f6bd4d118810c9009ed8f1e16bd96c331db6"
|
||||
|
||||
[[package]]
|
||||
name = "wild"
|
||||
version = "2.0.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "035793abb854745033f01a07647a79831eba29ec0be377205f2a25b0aa830020"
|
||||
dependencies = [
|
||||
"glob",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.2.8"
|
||||
|
||||
@ -14,11 +14,14 @@ nu-plugin = { path = "../nu-plugin", version = "0.15.1" }
|
||||
nu-protocol = { path = "../nu-protocol", version = "0.15.1" }
|
||||
nu-source = { path = "../nu-source", version = "0.15.1" }
|
||||
nu-errors = { path = "../nu-errors", version = "0.15.1" }
|
||||
#nu-cli = { path = "../nu-cli", version = "0.15.1" }
|
||||
|
||||
crossterm = "0.17.5"
|
||||
syntect = { version = "4.2", default-features = false, features = ["default-fancy"]}
|
||||
ansi_term = "0.12.1"
|
||||
url = "2.1.1"
|
||||
bat = "0.15.4"
|
||||
textwrap = {version = "0.11.0", features = ["term_size"]}
|
||||
|
||||
[build-dependencies]
|
||||
nu-build = { version = "0.15.1", path = "../nu-build" }
|
||||
|
||||
@ -1,23 +1,7 @@
|
||||
use crossterm::{
|
||||
event::{KeyCode, KeyEvent},
|
||||
ExecutableCommand,
|
||||
};
|
||||
|
||||
use nu_protocol::{Primitive, UntaggedValue, Value};
|
||||
use nu_source::AnchorLocation;
|
||||
|
||||
use syntect::easy::HighlightLines;
|
||||
use syntect::highlighting::{Style, ThemeSet};
|
||||
use syntect::parsing::SyntaxSet;
|
||||
|
||||
use std::io::Write;
|
||||
use std::path::Path;
|
||||
|
||||
enum DrawCommand {
|
||||
DrawString(Style, String),
|
||||
NextLine,
|
||||
}
|
||||
|
||||
#[derive(Default)]
|
||||
pub struct TextView;
|
||||
|
||||
@ -27,209 +11,14 @@ impl TextView {
|
||||
}
|
||||
}
|
||||
|
||||
fn paint_textview(
|
||||
draw_commands: &[DrawCommand],
|
||||
starting_row: usize,
|
||||
use_color_buffer: bool,
|
||||
) -> usize {
|
||||
let size = crossterm::terminal::size().unwrap_or_else(|_| (80, 24));
|
||||
|
||||
// render
|
||||
let mut pos = 0;
|
||||
let width = size.0 as usize;
|
||||
let height = size.1 as usize - 1;
|
||||
let mut frame_buffer = vec![];
|
||||
|
||||
for command in draw_commands {
|
||||
match command {
|
||||
DrawCommand::DrawString(style, string) => {
|
||||
for chr in string.chars() {
|
||||
if chr == '\t' {
|
||||
for _ in 0..8 {
|
||||
frame_buffer.push((
|
||||
' ',
|
||||
style.foreground.r,
|
||||
style.foreground.g,
|
||||
style.foreground.b,
|
||||
));
|
||||
}
|
||||
pos += 8;
|
||||
} else {
|
||||
frame_buffer.push((
|
||||
chr,
|
||||
style.foreground.r,
|
||||
style.foreground.g,
|
||||
style.foreground.b,
|
||||
));
|
||||
pos += 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
DrawCommand::NextLine => {
|
||||
for _ in 0..(width - pos % width) {
|
||||
frame_buffer.push((' ', 0, 0, 0));
|
||||
}
|
||||
pos += width - pos % width;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
let num_frame_buffer_rows = frame_buffer.len() / width;
|
||||
let buffer_needs_scrolling = num_frame_buffer_rows > height;
|
||||
|
||||
// display
|
||||
let mut ansi_strings = vec![];
|
||||
let mut normal_chars = vec![];
|
||||
|
||||
for c in
|
||||
&frame_buffer[starting_row * width..std::cmp::min(pos, (starting_row + height) * width)]
|
||||
{
|
||||
if use_color_buffer {
|
||||
ansi_strings.push(ansi_term::Colour::RGB(c.1, c.2, c.3).paint(format!("{}", c.0)));
|
||||
} else {
|
||||
normal_chars.push(c.0);
|
||||
}
|
||||
}
|
||||
|
||||
if buffer_needs_scrolling {
|
||||
let _ = std::io::stdout().execute(crossterm::cursor::MoveTo(0, 0));
|
||||
}
|
||||
|
||||
if use_color_buffer {
|
||||
print!("{}", ansi_term::ANSIStrings(&ansi_strings));
|
||||
} else {
|
||||
let s: String = normal_chars.into_iter().collect();
|
||||
print!("{}", s);
|
||||
}
|
||||
|
||||
if buffer_needs_scrolling {
|
||||
let _ = std::io::stdout().execute(crossterm::cursor::MoveTo(0, size.1));
|
||||
print!(
|
||||
"{}",
|
||||
ansi_term::Colour::Blue.paint("[ESC to quit, arrow keys to move]")
|
||||
);
|
||||
}
|
||||
|
||||
let _ = std::io::stdout().flush();
|
||||
|
||||
num_frame_buffer_rows
|
||||
}
|
||||
|
||||
fn scroll_view_lines_if_needed(draw_commands: Vec<DrawCommand>, use_color_buffer: bool) {
|
||||
let mut starting_row = 0;
|
||||
|
||||
if let Ok(_raw) = crossterm::terminal::enable_raw_mode() {
|
||||
let mut size = crossterm::terminal::size().unwrap_or_else(|_| (80, 24));
|
||||
let height = size.1 as usize - 1;
|
||||
|
||||
let mut max_bottom_line = paint_textview(&draw_commands, starting_row, use_color_buffer);
|
||||
|
||||
// Only scroll if needed
|
||||
if max_bottom_line > height as usize {
|
||||
let _ = std::io::stdout().execute(crossterm::cursor::Hide);
|
||||
|
||||
loop {
|
||||
if let Ok(ev) = crossterm::event::read() {
|
||||
if let crossterm::event::Event::Key(KeyEvent { code, modifiers }) = ev {
|
||||
match code {
|
||||
KeyCode::Esc => {
|
||||
break;
|
||||
}
|
||||
KeyCode::Up | KeyCode::Char('k') => {
|
||||
if starting_row > 0 {
|
||||
starting_row -= 1;
|
||||
max_bottom_line = paint_textview(
|
||||
&draw_commands,
|
||||
starting_row,
|
||||
use_color_buffer,
|
||||
);
|
||||
}
|
||||
}
|
||||
KeyCode::Down | KeyCode::Char('j') => {
|
||||
if starting_row < (max_bottom_line - height) {
|
||||
starting_row += 1;
|
||||
}
|
||||
max_bottom_line =
|
||||
paint_textview(&draw_commands, starting_row, use_color_buffer);
|
||||
}
|
||||
KeyCode::Char('b')
|
||||
if modifiers.contains(crossterm::event::KeyModifiers::CONTROL) =>
|
||||
{
|
||||
starting_row -= std::cmp::min(height, starting_row);
|
||||
max_bottom_line =
|
||||
paint_textview(&draw_commands, starting_row, use_color_buffer);
|
||||
}
|
||||
KeyCode::PageUp => {
|
||||
starting_row -= std::cmp::min(height, starting_row);
|
||||
max_bottom_line =
|
||||
paint_textview(&draw_commands, starting_row, use_color_buffer);
|
||||
}
|
||||
KeyCode::Char('f')
|
||||
if modifiers.contains(crossterm::event::KeyModifiers::CONTROL) =>
|
||||
{
|
||||
if starting_row < (max_bottom_line - height) {
|
||||
starting_row += height;
|
||||
|
||||
if starting_row > (max_bottom_line - height) {
|
||||
starting_row = max_bottom_line - height;
|
||||
}
|
||||
}
|
||||
max_bottom_line =
|
||||
paint_textview(&draw_commands, starting_row, use_color_buffer);
|
||||
}
|
||||
KeyCode::PageDown | KeyCode::Char(' ') => {
|
||||
if starting_row < (max_bottom_line - height) {
|
||||
starting_row += height;
|
||||
|
||||
if starting_row > (max_bottom_line - height) {
|
||||
starting_row = max_bottom_line - height;
|
||||
}
|
||||
}
|
||||
max_bottom_line =
|
||||
paint_textview(&draw_commands, starting_row, use_color_buffer);
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if let Ok(new_size) = crossterm::terminal::size() {
|
||||
if size != new_size {
|
||||
size = new_size;
|
||||
let _ = std::io::stdout().execute(crossterm::terminal::Clear(
|
||||
crossterm::terminal::ClearType::All,
|
||||
));
|
||||
max_bottom_line =
|
||||
paint_textview(&draw_commands, starting_row, use_color_buffer);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
let _ = std::io::stdout().execute(crossterm::cursor::Show);
|
||||
let _ = crossterm::terminal::disable_raw_mode();
|
||||
}
|
||||
|
||||
println!()
|
||||
}
|
||||
|
||||
fn scroll_view(s: &str) {
|
||||
let mut v = vec![];
|
||||
for line in s.lines() {
|
||||
v.push(DrawCommand::DrawString(Style::default(), line.to_string()));
|
||||
v.push(DrawCommand::NextLine);
|
||||
}
|
||||
scroll_view_lines_if_needed(v, false);
|
||||
}
|
||||
|
||||
pub fn view_text_value(value: &Value) {
|
||||
let value_anchor = value.anchor();
|
||||
if let UntaggedValue::Primitive(Primitive::String(ref s)) = &value.value {
|
||||
if let Some(source) = value_anchor {
|
||||
let extension: Option<String> = match source {
|
||||
let file_path: Option<String> = match source {
|
||||
AnchorLocation::File(file) => {
|
||||
let path = Path::new(&file);
|
||||
path.extension().map(|x| x.to_string_lossy().to_string())
|
||||
Some(path.to_string_lossy().to_string())
|
||||
}
|
||||
AnchorLocation::Url(url) => {
|
||||
let url = url::Url::parse(&url);
|
||||
@ -237,7 +26,7 @@ pub fn view_text_value(value: &Value) {
|
||||
if let Some(mut segments) = url.path_segments() {
|
||||
if let Some(file) = segments.next_back() {
|
||||
let path = Path::new(file);
|
||||
path.extension().map(|x| x.to_string_lossy().to_string())
|
||||
Some(path.to_string_lossy().to_string())
|
||||
} else {
|
||||
None
|
||||
}
|
||||
@ -252,38 +41,74 @@ pub fn view_text_value(value: &Value) {
|
||||
AnchorLocation::Source(_source) => None,
|
||||
};
|
||||
|
||||
match extension {
|
||||
Some(extension) => {
|
||||
// Load these once at the start of your program
|
||||
let ps: SyntaxSet =
|
||||
syntect::dumps::from_binary(include_bytes!("assets/syntaxes.bin"));
|
||||
|
||||
if let Some(syntax) = ps.find_syntax_by_extension(&extension) {
|
||||
let ts: ThemeSet =
|
||||
syntect::dumps::from_binary(include_bytes!("assets/themes.bin"));
|
||||
let mut h = HighlightLines::new(syntax, &ts.themes["OneHalfDark"]);
|
||||
|
||||
let mut v = vec![];
|
||||
for line in s.lines() {
|
||||
let ranges: Vec<(Style, &str)> = h.highlight(line, &ps);
|
||||
|
||||
for range in ranges {
|
||||
v.push(DrawCommand::DrawString(range.0, range.1.to_string()));
|
||||
}
|
||||
|
||||
v.push(DrawCommand::NextLine);
|
||||
}
|
||||
scroll_view_lines_if_needed(v, true);
|
||||
} else {
|
||||
scroll_view(s);
|
||||
}
|
||||
match file_path {
|
||||
Some(file_path) => {
|
||||
// Let bat do it's thing
|
||||
bat::PrettyPrinter::new()
|
||||
.input_from_bytes_with_name(s.as_bytes(), file_path)
|
||||
.term_width(textwrap::termwidth())
|
||||
.tab_width(Some(4))
|
||||
.colored_output(true)
|
||||
.true_color(true)
|
||||
.header(true)
|
||||
.line_numbers(true)
|
||||
.grid(true)
|
||||
.vcs_modification_markers(true)
|
||||
.snip(true)
|
||||
.wrapping_mode(bat::WrappingMode::NoWrapping)
|
||||
.use_italics(true)
|
||||
.paging_mode(bat::PagingMode::QuitIfOneScreen)
|
||||
.pager("less")
|
||||
.line_ranges(bat::line_range::LineRanges::all())
|
||||
.highlight_range(0, 0)
|
||||
.theme("OneHalfDark")
|
||||
.print()
|
||||
.expect("Error with bat PrettyPrint");
|
||||
}
|
||||
_ => {
|
||||
scroll_view(s);
|
||||
bat::PrettyPrinter::new()
|
||||
.input_from_bytes(s.as_bytes())
|
||||
.term_width(textwrap::termwidth())
|
||||
.tab_width(Some(4))
|
||||
.colored_output(true)
|
||||
.true_color(true)
|
||||
.header(true)
|
||||
.line_numbers(true)
|
||||
.grid(true)
|
||||
.vcs_modification_markers(true)
|
||||
.snip(true)
|
||||
.wrapping_mode(bat::WrappingMode::NoWrapping)
|
||||
.use_italics(true)
|
||||
.paging_mode(bat::PagingMode::QuitIfOneScreen)
|
||||
.pager("less")
|
||||
.line_ranges(bat::line_range::LineRanges::all())
|
||||
.highlight_range(0, 0)
|
||||
.theme("OneHalfDark")
|
||||
.print()
|
||||
.expect("Error with bat PrettyPrint");
|
||||
}
|
||||
}
|
||||
} else {
|
||||
scroll_view(s);
|
||||
bat::PrettyPrinter::new()
|
||||
.input_from_bytes(s.as_bytes())
|
||||
.term_width(textwrap::termwidth())
|
||||
.tab_width(Some(4))
|
||||
.colored_output(true)
|
||||
.true_color(true)
|
||||
.header(true)
|
||||
.line_numbers(true)
|
||||
.grid(true)
|
||||
.vcs_modification_markers(true)
|
||||
.snip(true)
|
||||
.wrapping_mode(bat::WrappingMode::NoWrapping)
|
||||
.use_italics(true)
|
||||
.paging_mode(bat::PagingMode::QuitIfOneScreen)
|
||||
.pager("less")
|
||||
.line_ranges(bat::line_range::LineRanges::all())
|
||||
.highlight_range(0, 0)
|
||||
.theme("OneHalfDark")
|
||||
.print()
|
||||
.expect("Error with bat PrettyPrint");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user