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-rw-r--r--vendor/anstyle/examples/dump.rs132
1 files changed, 132 insertions, 0 deletions
diff --git a/vendor/anstyle/examples/dump.rs b/vendor/anstyle/examples/dump.rs
new file mode 100644
index 0000000..1221cd6
--- /dev/null
+++ b/vendor/anstyle/examples/dump.rs
@@ -0,0 +1,132 @@
+use std::io::Write;
+
+fn main() -> Result<(), lexopt::Error> {
+ let args = Args::parse()?;
+ let stdout = std::io::stdout();
+ let mut stdout = stdout.lock();
+
+ for fixed in 0..16 {
+ let style = style(fixed, args.layer, args.effects);
+ let _ = print_number(&mut stdout, fixed, style);
+ if fixed == 7 || fixed == 15 {
+ let _ = writeln!(&mut stdout);
+ }
+ }
+
+ for r in 0..6 {
+ let _ = writeln!(stdout);
+ for g in 0..6 {
+ for b in 0..6 {
+ let fixed = r * 36 + g * 6 + b + 16;
+ let style = style(fixed, args.layer, args.effects);
+ let _ = print_number(&mut stdout, fixed, style);
+ }
+ let _ = writeln!(stdout);
+ }
+ }
+
+ for c in 0..24 {
+ if 0 == c % 8 {
+ let _ = writeln!(stdout);
+ }
+ let fixed = 232 + c;
+ let style = style(fixed, args.layer, args.effects);
+ let _ = print_number(&mut stdout, fixed, style);
+ }
+
+ Ok(())
+}
+
+fn style(fixed: u8, layer: Layer, effects: anstyle::Effects) -> anstyle::Style {
+ let color = anstyle::Ansi256Color(fixed).into();
+ (match layer {
+ Layer::Fg => anstyle::Style::new().fg_color(Some(color)),
+ Layer::Bg => anstyle::Style::new().bg_color(Some(color)),
+ Layer::Underline => anstyle::Style::new().underline_color(Some(color)),
+ }) | effects
+}
+
+fn print_number(
+ stdout: &mut std::io::StdoutLock<'_>,
+ fixed: u8,
+ style: anstyle::Style,
+) -> std::io::Result<()> {
+ write!(
+ stdout,
+ "{}{:>4}{}",
+ style.render(),
+ fixed,
+ anstyle::Reset.render()
+ )
+}
+
+#[derive(Default)]
+struct Args {
+ effects: anstyle::Effects,
+ layer: Layer,
+}
+
+#[derive(Copy, Clone, Default)]
+enum Layer {
+ #[default]
+ Fg,
+ Bg,
+ Underline,
+}
+
+impl Args {
+ fn parse() -> Result<Self, lexopt::Error> {
+ use lexopt::prelude::*;
+
+ let mut res = Args::default();
+
+ let mut args = lexopt::Parser::from_env();
+ while let Some(arg) = args.next()? {
+ match arg {
+ Long("layer") => {
+ res.layer = args.value()?.parse_with(|s| match s {
+ "fg" => Ok(Layer::Fg),
+ "bg" => Ok(Layer::Bg),
+ "underline" => Ok(Layer::Underline),
+ _ => Err("expected values fg, bg, underline"),
+ })?;
+ }
+ Long("effect") => {
+ const EFFECTS: [(&str, anstyle::Effects); 12] = [
+ ("bold", anstyle::Effects::BOLD),
+ ("dimmed", anstyle::Effects::DIMMED),
+ ("italic", anstyle::Effects::ITALIC),
+ ("underline", anstyle::Effects::UNDERLINE),
+ ("double_underline", anstyle::Effects::DOUBLE_UNDERLINE),
+ ("curly_underline", anstyle::Effects::CURLY_UNDERLINE),
+ ("dotted_underline", anstyle::Effects::DOTTED_UNDERLINE),
+ ("dashed_underline", anstyle::Effects::DASHED_UNDERLINE),
+ ("blink", anstyle::Effects::BLINK),
+ ("invert", anstyle::Effects::INVERT),
+ ("hidden", anstyle::Effects::HIDDEN),
+ ("strikethrough", anstyle::Effects::STRIKETHROUGH),
+ ];
+ let effect = args.value()?.parse_with(|s| {
+ EFFECTS
+ .into_iter()
+ .find(|(name, _)| *name == s)
+ .map(|(_, effect)| effect)
+ .ok_or_else(|| {
+ format!(
+ "expected one of {}",
+ EFFECTS
+ .into_iter()
+ .map(|(n, _)| n)
+ .collect::<Vec<_>>()
+ .join(", ")
+ )
+ })
+ })?;
+ res.effects = res.effects.insert(effect);
+ }
+ _ => return Err(arg.unexpected()),
+ }
+ }
+ Ok(res)
+ }
+}