tau_cli_term/
resolve.rs

1//! Bridge between [`tau_themes`] and [`tau_cli_term_raw`] types.
2//!
3//! Converts theme styles into terminal-renderable styles.
4
5use tau_cli_term_raw::{Color, Span, Style, StyledBlock, StyledText};
6use tau_themes::{ResolvedSpan, StyleName, Theme, ThemeStyle, ThemedText};
7
8/// Resolves a style name through a theme into a terminal [`Style`].
9pub fn resolve(theme: &Theme, name: &str) -> Style {
10    convert_style(theme.resolve_style(&StyleName::new(name)))
11}
12
13/// Converts a [`ThemeStyle`] into a terminal [`Style`].
14pub fn convert_style(ts: ThemeStyle) -> Style {
15    Style {
16        fg: ts.fg.map(convert_color),
17        bg: ts.bg.map(convert_color),
18        bold: ts.bold,
19        underline: ts.underline,
20        italic: ts.italic,
21        strikethrough: ts.strikethrough,
22    }
23}
24
25/// Resolves themed text into terminal styled text.
26pub fn themed_text(theme: &Theme, text: &ThemedText) -> StyledText {
27    StyledText::from(
28        theme
29            .resolve(text)
30            .into_iter()
31            .map(resolved_span)
32            .collect::<Vec<_>>(),
33    )
34}
35
36fn resolved_span(span: ResolvedSpan<'_>) -> Span {
37    Span::new(span.text.to_owned(), convert_style(span.style))
38}
39
40/// Creates a [`StyledBlock`] using a theme style.
41///
42/// The style's foreground/bold/etc. apply to the text span; the
43/// style's background fills the full block width.
44pub fn themed_block(theme: &Theme, name: &str, text: impl Into<String>) -> StyledBlock {
45    let mut themed = ThemedText::new();
46    let style = themed.add_style(name);
47    themed.push(style, text);
48
49    let ts = theme.resolve_style(&StyleName::new(name));
50    let mut block = StyledBlock::new(themed_text(theme, &themed));
51    if let Some(bg) = ts.bg {
52        block = block.bg(convert_color(bg));
53    }
54    block
55}
56
57/// Converts a theme [`tau_themes::Color`] to a terminal
58/// `tau_cli_term_raw::Color`.
59pub fn convert_color(c: tau_themes::Color) -> Color {
60    use tau_themes::Color as TC;
61    match c {
62        TC::Black => Color::Black,
63        TC::DarkRed => Color::DarkRed,
64        TC::DarkGreen => Color::DarkGreen,
65        TC::DarkYellow => Color::DarkYellow,
66        TC::DarkBlue => Color::DarkBlue,
67        TC::DarkMagenta => Color::DarkMagenta,
68        TC::DarkCyan => Color::DarkCyan,
69        TC::DarkGrey => Color::DarkGrey,
70        TC::Red => Color::Red,
71        TC::Green => Color::Green,
72        TC::Yellow => Color::Yellow,
73        TC::Blue => Color::Blue,
74        TC::Magenta => Color::Magenta,
75        TC::Cyan => Color::Cyan,
76        TC::White => Color::White,
77        TC::Grey => Color::Grey,
78        TC::Rgb { r, g, b } => Color::Rgb { r, g, b },
79    }
80}
81
82#[cfg(test)]
83mod tests;
tau_cli_term/resolve.rs

tau_cli_term/
resolve.rs
