skyspell_core 1.0.0

use anyhow::{Context, Result};

use ignore::gitignore::{Gitignore, GitignoreBuilder};
use ignore::Match;
use ignore::{Walk, WalkBuilder};

use crate::project::SKYSPELL_IGNORE_FILE;
use crate::IgnoreConfig;
use crate::{Project, RelativePath};

pub struct IgnoreFile(Gitignore);

impl IgnoreFile {
    pub fn new(project: &Project) -> Result<Self> {
        let path = project.path().as_ref();
        let ignore_path = project.ignore_path();
        let mut gitignore_builder = GitignoreBuilder::new(path);
        if ignore_path.exists() {
            let kdl = std::fs::read_to_string(&ignore_path)
                .with_context(|| format!("While reading {SKYSPELL_IGNORE_FILE}"))?;
            let ignore_config = IgnoreConfig::parse(Some(ignore_path), &kdl)?;
            for glob in ignore_config.patterns() {
                gitignore_builder.add_line(None, glob)?;
            }
        }
        Ok(Self(gitignore_builder.build()?))
    }

    pub fn is_ignored(&self, relative_path: &RelativePath) -> bool {
        if relative_path.as_str() == SKYSPELL_IGNORE_FILE {
            return true;
        }
        match self.0.matched(&relative_path, /*is-dir*/ false) {
            Match::Ignore(_) => true,
            Match::None | Match::Whitelist(_) => false,
        }
    }
}

pub fn walk(project: &Project) -> Result<Walk> {
    let ignore_file = IgnoreFile::new(project)?;
    let project_path = project.path().clone();
    Ok(WalkBuilder::new(project.path().as_ref())
        .standard_filters(true)
        .filter_entry(move |x| {
            let full_path = x.path();
            if let Ok(r) = RelativePath::new(&project_path, full_path) {
                !ignore_file.is_ignored(&r)
            } else {
                false
            }
        })
        .build())
}