syncat_stylesheet/style/
mod.rs

1#[cfg(feature = "ansi_term")]
2use ansi_term::Style as ANSIStyle;
3use std::collections::BTreeMap;
4use std::convert::TryFrom;
5
6mod value;
7pub use value::{FromValueError, Value};
8
9#[derive(Clone, Debug, Default)]
10pub struct Style<'s>(BTreeMap<&'s str, Value>);
11
12impl<'s> Style<'s> {
13    pub fn get(&self, key: &str) -> Option<&Value> {
14        self.0.get(key)
15    }
16
17    pub fn try_get<T: TryFrom<Value>>(&self, key: &str) -> Result<Option<T>, T::Error> {
18        self.0
19            .get(key)
20            .map_or(Ok(None), |value| Ok(Some(T::try_from(value.clone())?)))
21    }
22
23    pub(crate) fn insert(&mut self, key: &'s str, value: Value) {
24        self.0.insert(key, value);
25    }
26
27    pub(crate) fn merge(mut self, mut other: Self) -> Self {
28        other.0.append(&mut self.0);
29        other
30    }
31}
32
33#[cfg(feature = "ansi_term")]
34impl TryFrom<Style<'_>> for ANSIStyle {
35    type Error = FromValueError;
36
37    fn try_from(style: Style) -> Result<Self, Self::Error> {
38        let mut ansi_style = ANSIStyle::new();
39        if let Some(true) = style.try_get("bold")? {
40            ansi_style = ansi_style.bold();
41        }
42        if let Some(true) = style.try_get("italic")? {
43            ansi_style = ansi_style.italic()
44        }
45        if let Some(true) = style.try_get("dim")? {
46            ansi_style = ansi_style.dimmed()
47        }
48        if let Some(true) = style.try_get("underline")? {
49            ansi_style = ansi_style.underline()
50        }
51        if let Some(true) = style.try_get("strikethrough")? {
52            ansi_style = ansi_style.strikethrough()
53        }
54        if let Some(true) = style.try_get("blink")? {
55            ansi_style = ansi_style.blink()
56        }
57        if let Some(true) = style.try_get("reverse")? {
58            ansi_style = ansi_style.reverse()
59        }
60        if let Some(true) = style.try_get("hidden")? {
61            ansi_style = ansi_style.hidden()
62        }
63        if let Some(color) = style.try_get("color")? {
64            ansi_style = ansi_style.fg(color)
65        }
66        if let Some(color) = style.try_get("background-color")? {
67            ansi_style = ansi_style.on(color)
68        }
69        Ok(ansi_style)
70    }
71}
syncat_stylesheet/style/mod.rs

syncat_stylesheet/style/
mod.rs
