broot 1.56.2

File browser and launcher
Documentation 
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use {
    super::*,
    crate::content_search::*,
    std::{
        fmt,
        path::Path,
    },
};

/// A pattern for searching in file content
#[derive(Debug, Clone)]
pub struct ContentExactPattern {
    needle: Needle,
}

impl fmt::Display for ContentExactPattern {
    fn fmt(
        &self,
        f: &mut fmt::Formatter<'_>,
    ) -> fmt::Result {
        f.write_str(self.as_str())
    }
}

impl ContentExactPattern {
    pub fn new(
        pat: &str,
        max_file_size: usize,
    ) -> Self {
        Self {
            needle: Needle::new(pat, max_file_size),
        }
    }

    pub fn as_str(&self) -> &str {
        self.needle.as_str()
    }

    pub fn is_empty(&self) -> bool {
        self.needle.is_empty()
    }

    pub fn to_regex_parts(&self) -> (String, String) {
        (regex::escape(self.as_str()), String::new())
    }

    pub fn score_of(
        &self,
        candidate: Candidate,
    ) -> Option<i32> {
        match self.needle.search(candidate.path) {
            Ok(ContentSearchResult::Found { .. }) => Some(1),
            Ok(ContentSearchResult::NotFound) => None,
            Ok(ContentSearchResult::NotSuitable) => None,
            Err(e) => {
                debug!("error while scanning {:?} : {:?}", &candidate.path, e);
                None
            }
        }
    }

    /// get the line of the first match, if any
    pub fn get_match_line_count(
        &self,
        path: &Path,
    ) -> Option<usize> {
        if let Ok(ContentSearchResult::Found { pos }) = self.needle.search(path) {
            line_count_at_pos(path, pos).ok()
        } else {
            None
        }
    }

    pub fn get_content_match(
        &self,
        path: &Path,
        desired_len: usize,
    ) -> Option<ContentMatch> {
        self.needle.get_match(path, desired_len)
    }
}