sanguine 0.3.1

A library for creating dynamic TUI experiences in Rust
Documentation 
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#![cfg(feature = "ansi")]
//! Utility function for parsing ansi escape sequences and writing the result to a [`Surface`]

use ansi_to_tui::IntoText;
use termwiz::{
    cell::CellAttributes,
    surface::{Change, Position, Surface},
};

use crate::{
    bridge::{TuiColor, TuiStyle},
    error::{Error, Result},
};

/// Parse ansi text from the provided string using [`ansi_to_tui`], and write the result onto the
/// specified surface
pub fn write_ansi(screen: &mut Surface, bytes: &str) -> Result<()> {
    let text = bytes.into_text().map_err(Error::external)?;
    text.lines.into_iter().for_each(|l| {
        l.0.into_iter().for_each(|span| {
            let content = span.content;
            let style = span.style;
            let mut attr = CellAttributes::default();

            style.fg.map(|c| attr.set_foreground(TuiColor(c)));
            style.bg.map(|c| attr.set_background(TuiColor(c)));

            let style: CellAttributes = TuiStyle(style).into();
            screen.add_changes(vec![
                Change::AllAttributes(style),
                Change::Text(content.to_string()),
            ]);
        });
        screen.add_change(Change::CursorPosition {
            x: Position::Relative(0),
            y: Position::Relative(1),
        });
    });
    Ok(())
}