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use kuchiki::{traits::TendrilSink, NodeRef};
use rayon::prelude::*;
use state::*;
use std::{
fs,
io::Read,
path::{Path, PathBuf},
};
mod errors;
mod state;
pub struct PagebreakRunner {
working_directory: PathBuf,
source: PathBuf,
output: PathBuf,
pages: Option<Vec<SourcePage>>,
}
impl PagebreakRunner {
pub fn new(working_directory: PathBuf, source: PathBuf, output: PathBuf) -> Self {
PagebreakRunner {
working_directory,
source,
output,
pages: None,
}
}
fn full_source_path(&self) -> PathBuf {
let full_source_path = self.working_directory.join(&self.source);
match fs::canonicalize(&full_source_path) {
Ok(path) => path,
Err(_) => {
eprintln!(
"Pagebreak error: couldn't find source directory: {:?}",
full_source_path
);
std::process::exit(1);
}
}
}
fn full_output_path(&self) -> PathBuf {
let full_output_path = self.working_directory.join(&self.output);
fs::create_dir_all(&full_output_path).unwrap();
match fs::canonicalize(&full_output_path) {
Ok(path) => path,
Err(_) => {
eprintln!(
"Pagebreak error: couldn't create output directory: {:?}",
full_output_path
);
std::process::exit(1);
}
}
}
fn copy_source_to_output(&self) {
}
fn read_pages(&mut self) {
let source = self.full_source_path();
let pages = read_pages(&source)
.into_par_iter()
.filter(|page| page.contains_pagination())
.collect();
self.pages = Some(pages);
}
fn paginate(&mut self) {
let source = self.full_source_path();
let output = self.full_output_path();
let mut pages = self.pages.take().unwrap();
pages.iter_mut().for_each(|page| {
page.paginate(&source, &output);
});
}
pub fn run(&mut self) {
self.copy_source_to_output();
self.read_pages();
println!(
"Pagebreak: Found {} pages with pagination",
self.pages.as_ref().unwrap().len()
);
self.paginate();
}
}
struct SourcePage {
path: PathBuf,
source: Option<String>,
}
impl SourcePage {
fn contains_pagination(&self) -> bool {
self.source.as_ref().unwrap().contains("data-pagebreak")
}
fn parse(&self) -> NodeRef {
kuchiki::parse_html().one(self.source.as_ref().unwrap().as_str())
}
fn paginate(&self, input_path: &Path, output_path: &Path) {
let file_path = self.path.strip_prefix(&input_path).unwrap();
let mut state =
PagebreakState::new(self.parse(), file_path.to_owned(), output_path.to_owned());
state.hydrate();
state.log_hydrated();
state.paginate();
}
}
fn read_pages(path: &Path) -> Vec<SourcePage> {
let globwalker = globwalk::GlobWalkerBuilder::from_patterns(&path, &["*.html"])
.build()
.unwrap();
let mut pages: Vec<SourcePage> = globwalker
.map(|entry| {
let entry = entry.unwrap();
let path = entry.path().to_owned();
SourcePage {
path: path.to_path_buf(),
source: None,
}
})
.collect();
pages.par_iter_mut().for_each(|page| {
let mut file = fs::File::open(&page.path).unwrap();
let mut content = String::new();
file.read_to_string(&mut content).unwrap();
page.source = Some(content);
});
pages
}