tex-fmt 0.4.0

LaTeX formatter written in Rust
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use lazy_static::lazy_static;
use regex::Regex;

const LISTS: [&str; 5] = [
    "itemize",
    "enumerate",
    "description",
    "inlineroman",
    "inventory",
];

const LEAVES: [&str; 4] = ["verbatim", "Verbatim", "lstlisting", "minted"];

lazy_static! {
    pub static ref RE_NEWLINES: Regex = Regex::new(r"\n\n\n+").unwrap();
    pub static ref RE_TABS: Regex = Regex::new(r"\t").unwrap();
    pub static ref RE_TRAIL: Regex = Regex::new(r" +\n").unwrap();
    pub static ref RE_ITEM: Regex = Regex::new(r"\\item").unwrap();
    pub static ref RE_DOCUMENT_BEGIN: Regex =
        Regex::new(r"\\begin\{document\}").unwrap();
    pub static ref RE_DOCUMENT_END: Regex =
        Regex::new(r"\\end\{document\}").unwrap();
    pub static ref RE_LEAVES_BEGIN: Vec<Regex> = LEAVES
        .iter()
        .map(|l| Regex::new(&format!(r"\\begin\{{{}}}", l)).unwrap())
        .collect();
    pub static ref RE_LEAVES_END: Vec<Regex> = LEAVES
        .iter()
        .map(|l| Regex::new(&format!(r"\\end\{{{}}}", l)).unwrap())
        .collect();
    pub static ref RE_ENV_BEGIN: Regex = Regex::new(r"\\begin\{").unwrap();
    pub static ref RE_ENV_END: Regex = Regex::new(r"\\end\{").unwrap();
    pub static ref RE_LISTS_BEGIN: Vec<Regex> = LISTS
        .iter()
        .map(|l| Regex::new(&format!(r"\\begin\{{{}}}", l)).unwrap())
        .collect();
    pub static ref RE_LISTS_END: Vec<Regex> = LISTS
        .iter()
        .map(|l| Regex::new(&format!(r"\\end\{{{}}}", l)).unwrap())
        .collect();
    pub static ref RE_ENV_BEGIN_SHARED_LINE: Regex =
        Regex::new(r"(?P<prev>\S.*?)(?P<env>\\begin\{)").unwrap();
    pub static ref RE_ENV_END_SHARED_LINE: Regex =
        Regex::new(r"(?P<prev>\S.*?)(?P<env>\\end\{)").unwrap();
    pub static ref RE_ITEM_SHARED_LINE: Regex =
        Regex::new(r"(?P<prev>\S.*?)(?P<env>\\item)").unwrap();
}