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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/rust/clap_builder/src/builder/styling.rs | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | third_party/rust/clap_builder/src/builder/styling.rs | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/third_party/rust/clap_builder/src/builder/styling.rs b/third_party/rust/clap_builder/src/builder/styling.rs new file mode 100644 index 0000000000..3a034489b9 --- /dev/null +++ b/third_party/rust/clap_builder/src/builder/styling.rs @@ -0,0 +1,179 @@ +//! Terminal [`Styles`] for help and error output + +pub use anstyle::*; + +/// Terminal styling definitions +/// +/// See also [`Command::styles`][crate::Command::styles]. +/// +/// # Example +/// +/// clap v3 styling +/// ```rust +/// # use clap_builder as clap; +/// # use clap::builder::styling::*; +/// let styles = Styles::styled() +/// .header(AnsiColor::Yellow.on_default()) +/// .usage(AnsiColor::Green.on_default()) +/// .literal(AnsiColor::Green.on_default()) +/// .placeholder(AnsiColor::Green.on_default()); +/// ``` +#[derive(Clone, Debug)] +#[allow(missing_copy_implementations)] // Large enough type that I want an explicit `clone()` for now +pub struct Styles { + header: anstyle::Style, + error: anstyle::Style, + usage: anstyle::Style, + literal: anstyle::Style, + placeholder: anstyle::Style, + valid: anstyle::Style, + invalid: anstyle::Style, +} + +impl Styles { + /// No terminal styling + pub const fn plain() -> Self { + Self { + header: anstyle::Style::new(), + error: anstyle::Style::new(), + usage: anstyle::Style::new(), + literal: anstyle::Style::new(), + placeholder: anstyle::Style::new(), + valid: anstyle::Style::new(), + invalid: anstyle::Style::new(), + } + } + + /// Default terminal styling + pub const fn styled() -> Self { + #[cfg(feature = "color")] + { + Self { + header: anstyle::Style::new().bold().underline(), + error: anstyle::Style::new() + .fg_color(Some(anstyle::Color::Ansi(anstyle::AnsiColor::Red))) + .bold(), + usage: anstyle::Style::new().bold().underline(), + literal: anstyle::Style::new().bold(), + placeholder: anstyle::Style::new(), + valid: anstyle::Style::new() + .fg_color(Some(anstyle::Color::Ansi(anstyle::AnsiColor::Green))), + invalid: anstyle::Style::new() + .fg_color(Some(anstyle::Color::Ansi(anstyle::AnsiColor::Yellow))), + } + } + #[cfg(not(feature = "color"))] + { + Self::plain() + } + } + + /// General Heading style, e.g. [`help_heading`][crate::Arg::help_heading] + #[inline] + pub const fn header(mut self, style: anstyle::Style) -> Self { + self.header = style; + self + } + + /// Error heading + #[inline] + pub const fn error(mut self, style: anstyle::Style) -> Self { + self.error = style; + self + } + + /// Usage heading + #[inline] + pub const fn usage(mut self, style: anstyle::Style) -> Self { + self.usage = style; + self + } + + /// Literal command-line syntax, e.g. `--help` + #[inline] + pub const fn literal(mut self, style: anstyle::Style) -> Self { + self.literal = style; + self + } + + /// Descriptions within command-line syntax, e.g. [`value_name`][crate::Arg::value_name] + #[inline] + pub const fn placeholder(mut self, style: anstyle::Style) -> Self { + self.placeholder = style; + self + } + + /// Highlight suggested usage + #[inline] + pub const fn valid(mut self, style: anstyle::Style) -> Self { + self.valid = style; + self + } + + /// Highlight invalid usage + #[inline] + pub const fn invalid(mut self, style: anstyle::Style) -> Self { + self.invalid = style; + self + } +} + +/// Reflection +impl Styles { + /// General Heading style, e.g. [`help_heading`][crate::Arg::help_heading] + #[inline(always)] + pub const fn get_header(&self) -> &anstyle::Style { + &self.header + } + + /// Error heading + #[inline(always)] + pub const fn get_error(&self) -> &anstyle::Style { + &self.error + } + + /// Usage heading + #[inline(always)] + pub const fn get_usage(&self) -> &anstyle::Style { + &self.usage + } + + /// Literal command-line syntax, e.g. `--help` + #[inline(always)] + pub const fn get_literal(&self) -> &anstyle::Style { + &self.literal + } + + /// Descriptions within command-line syntax, e.g. [`value_name`][crate::Arg::value_name] + #[inline(always)] + pub const fn get_placeholder(&self) -> &anstyle::Style { + &self.placeholder + } + + /// Highlight suggested usage + #[inline(always)] + pub const fn get_valid(&self) -> &anstyle::Style { + &self.valid + } + + /// Highlight invalid usage + #[inline(always)] + pub const fn get_invalid(&self) -> &anstyle::Style { + &self.invalid + } +} + +impl super::AppTag for Styles {} + +impl Default for Styles { + fn default() -> Self { + Self::styled() + } +} + +impl Default for &'_ Styles { + fn default() -> Self { + const STYLES: Styles = Styles::styled(); + &STYLES + } +} |