use {
crate::search::NameMatch,
minimad::Alignment,
std::io::Write,
termimad::*,
};
pub struct MatchedString<'a> {
pub name_match: Option<NameMatch>,
pub string: &'a str,
pub base_style: &'a CompoundStyle,
pub match_style: &'a CompoundStyle,
pub display_width: Option<usize>,
pub align: Alignment,
}
impl<'a, 'w> MatchedString<'a> {
pub fn new(
name_match: Option<NameMatch>,
string: &'a str,
base_style: &'a CompoundStyle,
match_style: &'a CompoundStyle,
) -> Self {
Self {
name_match,
string,
base_style,
match_style,
display_width: None,
align: Alignment::Left,
}
}
pub fn queue_on<W: Write>(
&self,
cw: &mut CropWriter<'w, W>,
) -> Result<(), termimad::Error> {
if let Some(m) = &self.name_match {
let mut pos_idx: usize = 0;
let mut combined_style = self.base_style.clone();
combined_style.overwrite_with(self.match_style);
let mut right_filling = 0;
let mut s = self.string;
if let Some(dw) = self.display_width {
let w = unicode_width::UnicodeWidthStr::width(s);
#[allow(clippy::comparison_chain)]
if w > dw {
let (count_bytes, _) = StrFit::count_fitting(s, dw);
s = &s[0..count_bytes];
} else if w < dw {
match self.align {
Alignment::Right => {
cw.repeat(self.base_style, &SPACE_FILLING, dw - w)?;
}
Alignment::Center => {
right_filling = (dw - w) / 2;
cw.repeat(self.base_style, &SPACE_FILLING, dw - w - right_filling)?;
}
_ => {
right_filling = dw - w;
}
}
}
}
for (cand_idx, cand_char) in s.chars().enumerate() {
if pos_idx < m.pos.len() && m.pos[pos_idx] == cand_idx {
cw.queue_char(&combined_style, cand_char)?;
pos_idx += 1;
} else {
cw.queue_char(self.base_style, cand_char)?;
}
}
if right_filling > 0 {
cw.repeat(self.base_style, &SPACE_FILLING, right_filling)?;
}
} else if let Some(w) = self.display_width {
match self.align {
Alignment::Center => {
cw.queue_str(self.base_style, &format!("{:^w$}", self.string))?;
}
Alignment::Right => {
cw.queue_str(self.base_style, &format!("{:>w$}", self.string))?;
}
_ => {
cw.queue_str(self.base_style, &format!("{:<w$}", self.string))?;
}
}
} else {
cw.queue_str(self.base_style, self.string)?;
}
Ok(())
}
}