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mod embedding;
pub mod language_type;
pub mod languages;
mod syntax;
use std::{collections::BTreeMap, mem, ops::AddAssign};
pub use self::{language_type::*, languages::Languages};
use crate::{sort::Sort, stats::Report};
/// A struct representing statistics about a single Language.
#[derive(Clone, Debug, Deserialize, Default, PartialEq, Serialize)]
pub struct Language {
/// The total number of blank lines.
pub blanks: usize,
/// The total number of lines of code.
pub code: usize,
/// The total number of comments(both single, and multi-line)
pub comments: usize,
/// A collection of statistics of individual files.
pub reports: Vec<Report>,
/// A map of any languages found in the reports.
pub children: BTreeMap<LanguageType, Vec<Report>>,
/// Whether this language had problems with file parsing
pub inaccurate: bool,
}
impl Language {
/// Constructs a new empty Language with the comments provided.
///
/// ```
/// # use tokei::*;
/// let mut rust = Language::new();
/// ```
#[must_use]
pub fn new() -> Self {
Self::default()
}
/// Returns the total number of lines.
#[inline]
#[must_use]
pub fn lines(&self) -> usize {
self.blanks + self.code + self.comments
}
/// Add a `Report` to the Language. This will not update the totals in the
/// Language struct.
pub fn add_report(&mut self, report: Report) {
for (lang, stats) in &report.stats.blobs {
let mut new_report = Report::new(report.name.clone());
new_report.stats = stats.clone();
self.children.entry(*lang).or_default().push(new_report);
}
self.reports.push(report);
}
/// Marks this language as possibly not reflecting correct stats.
#[inline]
pub fn mark_inaccurate(&mut self) {
self.inaccurate = true;
}
/// Creates a new `Language` from `self`, which is a summarised version
/// of the language that doesn't contain any children. It will count
/// non-blank lines in child languages as code unless the child language is
/// considered "literate" then it will be counted as comments.
#[must_use]
pub fn summarise(&self) -> Language {
let mut summary = self.clone();
for reports in self.children.values() {
for stats in reports.iter().map(|r| r.stats.summarise()) {
summary.comments += stats.comments;
summary.code += stats.code;
summary.blanks += stats.blanks;
}
}
summary
}
/// Totals up the statistics of the `Stat` structs currently contained in
/// the language.
///
/// ```no_run
/// use std::{collections::BTreeMap, path::PathBuf};
/// use tokei::Language;
///
/// let mut language = Language::new();
///
/// // Add stats...
///
/// assert_eq!(0, language.lines());
///
/// language.total();
///
/// assert_eq!(10, language.lines());
/// ```
pub fn total(&mut self) {
let mut blanks = 0;
let mut code = 0;
let mut comments = 0;
for report in &self.reports {
blanks += report.stats.blanks;
code += report.stats.code;
comments += report.stats.comments;
}
self.blanks = blanks;
self.code = code;
self.comments = comments;
}
/// Checks if the language is empty. Empty meaning it doesn't have any
/// statistics.
///
/// ```
/// # use tokei::*;
/// let rust = Language::new();
///
/// assert!(rust.is_empty());
/// ```
#[must_use]
pub fn is_empty(&self) -> bool {
self.code == 0 && self.comments == 0 && self.blanks == 0 && self.children.is_empty()
}
/// Sorts each of the `Report`s contained in the language based
/// on what category is provided.
///
/// ```no_run
/// use std::{collections::BTreeMap, path::PathBuf};
/// use tokei::{Language, Sort};
///
/// let mut language = Language::new();
///
/// // Add stats...
///
/// language.sort_by(Sort::Lines);
/// assert_eq!(20, language.reports[0].stats.lines());
///
/// language.sort_by(Sort::Code);
/// assert_eq!(8, language.reports[0].stats.code);
/// ```
pub fn sort_by(&mut self, category: Sort) {
match category {
Sort::Blanks => self
.reports
.sort_by(|a, b| b.stats.blanks.cmp(&a.stats.blanks)),
Sort::Comments => self
.reports
.sort_by(|a, b| b.stats.comments.cmp(&a.stats.comments)),
Sort::Code => self.reports.sort_by(|a, b| b.stats.code.cmp(&a.stats.code)),
Sort::Files => self.reports.sort_by(|a, b| a.name.cmp(&b.name)),
Sort::Lines => self
.reports
.sort_by(|a, b| b.stats.lines().cmp(&a.stats.lines())),
}
}
}
impl AddAssign for Language {
fn add_assign(&mut self, mut rhs: Self) {
self.comments += rhs.comments;
self.blanks += rhs.blanks;
self.code += rhs.code;
self.reports.extend(mem::take(&mut rhs.reports));
self.children.extend(mem::take(&mut rhs.children));
self.inaccurate |= rhs.inaccurate;
}
}