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fix(builder): Re-export anstyle for easy access
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| //! Terminal [`Styles`] for help and error output | ||
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| pub use anstyle::*; | ||
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| /// Terminal styling definitions | ||
| /// | ||
| /// See also [`Command::styles`][crate::Command::styles]. | ||
| #[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, | ||
| } | ||
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| 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(), | ||
| } | ||
| } | ||
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| /// 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() | ||
| } | ||
| } | ||
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| /// 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 | ||
| } | ||
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| /// Error heading | ||
| #[inline] | ||
| pub const fn error(mut self, style: anstyle::Style) -> Self { | ||
| self.error = style; | ||
| self | ||
| } | ||
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| /// Usage heading | ||
| #[inline] | ||
| pub const fn usage(mut self, style: anstyle::Style) -> Self { | ||
| self.usage = style; | ||
| self | ||
| } | ||
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| /// Literal command-line syntax, e.g. `--help` | ||
| #[inline] | ||
| pub const fn literal(mut self, style: anstyle::Style) -> Self { | ||
| self.literal = style; | ||
| self | ||
| } | ||
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| /// 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 | ||
| } | ||
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| /// Highlight suggested usage | ||
| #[inline] | ||
| pub const fn valid(mut self, style: anstyle::Style) -> Self { | ||
| self.valid = style; | ||
| self | ||
| } | ||
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| /// Highlight invalid usage | ||
| #[inline] | ||
| pub const fn invalid(mut self, style: anstyle::Style) -> Self { | ||
| self.invalid = style; | ||
| self | ||
| } | ||
| } | ||
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| /// 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 | ||
| } | ||
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| /// Error heading | ||
| #[inline(always)] | ||
| pub const fn get_error(&self) -> &anstyle::Style { | ||
| &self.error | ||
| } | ||
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| /// Usage heading | ||
| #[inline(always)] | ||
| pub const fn get_usage(&self) -> &anstyle::Style { | ||
| &self.usage | ||
| } | ||
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| /// Literal command-line syntax, e.g. `--help` | ||
| #[inline(always)] | ||
| pub const fn get_literal(&self) -> &anstyle::Style { | ||
| &self.literal | ||
| } | ||
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| /// 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 | ||
| } | ||
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| /// Highlight suggested usage | ||
| #[inline(always)] | ||
| pub const fn get_valid(&self) -> &anstyle::Style { | ||
| &self.valid | ||
| } | ||
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| /// Highlight invalid usage | ||
| #[inline(always)] | ||
| pub const fn get_invalid(&self) -> &anstyle::Style { | ||
| &self.invalid | ||
| } | ||
| } | ||
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| impl super::AppTag for Styles {} | ||
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| impl Default for Styles { | ||
| fn default() -> Self { | ||
| Self::styled() | ||
| } | ||
| } | ||
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| impl Default for &'_ Styles { | ||
| fn default() -> Self { | ||
| const STYLES: Styles = Styles::styled(); | ||
| &STYLES | ||
| } | ||
| } |