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use crate::util::{join_subpath, make_path_absolute, make_path_relative_to};
use std::fmt;
use std::path::{Path, PathBuf};
#[derive(Debug, Clone, Eq, PartialEq)]
pub struct Name {
is_wikitext: bool,
src: PathBuf,
dest: PathBuf,
page: PathBuf,
page_name: String,
}
impl Name {
fn new(is_wikitext: bool, src: PathBuf, dest: PathBuf, page: PathBuf) -> Self {
let page_name = page
.file_name()
.unwrap_or_else(|| panic!("get filename from {}", page.display()))
.to_string_lossy()
.to_string();
Self {
is_wikitext,
src,
dest,
page,
page_name,
}
}
pub fn is_wikitext_page(&self) -> bool {
self.is_wikitext
}
pub fn source_path(&self) -> &Path {
&self.src
}
pub fn destination_path(&self) -> &Path {
&self.dest
}
pub fn page_path(&self) -> &Path {
&self.page
}
pub fn page_name(&self) -> &str {
&self.page_name
}
}
impl PartialEq<Name> for &Name {
fn eq(&self, other: &Name) -> bool {
self.src == other.src
}
}
impl fmt::Display for Name {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
write!(f, "{}", self.src.display())
}
}
pub struct NameBuilder {
srcdir: PathBuf,
destdir: PathBuf,
}
impl NameBuilder {
pub fn new(srcdir: &Path, destdir: &Path) -> Self {
Self {
srcdir: srcdir.into(),
destdir: destdir.into(),
}
}
pub fn srcdir(&self) -> &Path {
&self.srcdir
}
pub fn destdir(&self) -> &Path {
&self.destdir
}
fn name(&self, path: &Path, ext: Option<&str>) -> Name {
assert!(path.starts_with(&self.srcdir));
let src = path.into();
let relative = make_path_relative_to(&self.srcdir, path);
let dest = join_subpath(&self.destdir, &relative);
let page = make_path_absolute(&relative);
if let Some(ext) = ext {
Name::new(true, src, dest.with_extension(ext), page.with_extension(""))
} else {
Name::new(false, src, dest, page)
}
}
pub fn page(&self, path: &Path) -> Name {
self.name(path, Some("html"))
}
pub fn file(&self, path: &Path) -> Name {
self.name(path, None)
}
}
#[derive(Default, Debug)]
pub struct Names {
names: Vec<Name>,
}
impl Names {
pub fn insert(&mut self, name: Name) {
self.names.push(name);
}
pub fn iter(&self) -> impl Iterator<Item = &Name> {
self.names.iter()
}
pub fn source_paths(&self) -> impl Iterator<Item = &PathBuf> {
self.names.iter().map(|name| &name.src)
}
pub fn pages(&self) -> impl Iterator<Item = &Name> {
self.names.iter().filter(|name| name.is_wikitext_page())
}
pub fn files(&self) -> impl Iterator<Item = &Name> {
self.names.iter().filter(|name| !name.is_wikitext_page())
}
pub fn get_source_path(&self, path: &Path) -> Option<&Name> {
self.names.iter().find(|name| name.src == path)
}
pub fn get_page_path(&self, path: &Path) -> Option<&Name> {
self.names.iter().find(|name| name.page == path)
}
}
#[cfg(test)]
mod test {
use super::{Name, NameBuilder, Names};
use std::path::Path;
fn builder() -> NameBuilder {
NameBuilder::new(Path::new("/src"), Path::new("/dest"))
}
#[test]
fn builds_page_name() {
let name = builder().page(Path::new("/src/foo/bar.mdwn"));
assert_eq!(name.source_path(), Path::new("/src/foo/bar.mdwn"));
assert_eq!(name.destination_path(), Path::new("/dest/foo/bar.html"));
assert_eq!(name.page_path(), Path::new("/foo/bar"));
assert_eq!(name.page_name(), "bar");
}
#[test]
fn builds_file_name() {
let name = builder().file(Path::new("/src/foo/bar.jpg"));
assert_eq!(name.source_path(), Path::new("/src/foo/bar.jpg"));
assert_eq!(name.destination_path(), Path::new("/dest/foo/bar.jpg"));
assert_eq!(name.page_path(), Path::new("/foo/bar.jpg"));
assert_eq!(name.page_name(), "bar.jpg");
}
#[test]
fn names_is_empty_by_default() {
let names = Names::default();
assert!(names.names.is_empty());
}
#[test]
fn names_remembers_inserted() {
let mut names = Names::default();
let name = builder().page(Path::new("/src/foo/bar.mdwn"));
names.insert(name.clone());
assert_eq!(
names.get_source_path(Path::new("/src/foo/bar.mdwn")),
Some(&name)
);
assert_eq!(names.get_page_path(Path::new("/foo/bar")), Some(&name));
}
#[test]
fn names_remembers_inserted_pages_and_files() {
let mut names = Names::default();
let page = builder().page(Path::new("/src/foo/bar.mdwn"));
let file = builder().file(Path::new("/src/foo/bar.jpg"));
names.insert(page.clone());
names.insert(file.clone());
let pages: Vec<&Name> = names.pages().collect();
let files: Vec<&Name> = names.files().collect();
assert_eq!(pages, vec![page],);
assert_eq!(files, vec![file],);
}
}
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