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use clap::builder::PossibleValuesParser;
use clap::{Arg, ArgAction, ArgGroup, Command};
use kvarn_utils::prelude::*;
use std::env;
use kvarn_chute as lib;
use kvarn_chute::ContinueBehaviour;
const HEADER_PRE_META: &[u8] = b"!> tmpl standard.html markdown.html\n$[head]";
const HEADER_POST_META: &[u8] =
b"$[dependencies]$[md-imports]$[close-head]$[navigation]\n<main><md>";
const FOOTER: &[u8] = b"</md></main>\n$[footer]\n";
const IGNORED_EXTENSIONS: &[&str] = &["hide"];
fn main() {
let env = env_logger::Env::new().filter_or("CHUTE_LOG", "error");
env_logger::Builder::from_env(env).init();
info!("Starting Kvarn Markdown to HTML converter.");
let mut command = Command::new("Kvarn Chute")
.bin_name("chute")
.author(clap::crate_authors!())
.version(clap::crate_version!())
.about(clap::crate_description!())
.long_about(
"Use the `CHUTE_LOG` environment variable to adjust the verbosity. \
`CHUTE_LOG=off chute` disables logging, \
disregarding errors.\n\
You can write ${date} in your documents to get the date of write. \
You can specify how the date will be formatted by ${date <format>}, \
following https://time-rs.github.io/book/api/format-description.html.",
)
.arg(
Arg::new("PATHS")
.help("Paths to process/watch")
.value_hint(clap::ValueHint::AnyPath)
.num_args(1..),
)
.arg(
Arg::new("continue")
.help("Continue with the defaults on prompts.")
.short('c')
.action(ArgAction::SetTrue)
.long("continue"),
)
.arg(
Arg::new("yes")
.help("Continue with `yes` on all prompts.")
.short('y')
.action(ArgAction::SetTrue),
)
.arg(
Arg::new("no")
.help("Continue with `no` on all prompts.")
.short('n')
.action(ArgAction::SetTrue),
)
.group(
ArgGroup::new("continue_behaviour")
.arg("continue")
.arg("yes")
.arg("no"),
)
.arg(
Arg::new("theme")
.long("theme")
.short('t')
.help(
"Theme used for static syntax highlighting.\n\
See https://docs.rs/syntect/5.0.0/syntect/highlighting/struct.ThemeSet.html \
for all options.",
)
.value_parser(PossibleValuesParser::new([
"base16-eighties.dark",
"base16-ocean.dark",
"base16-mocha.dark",
"base16-ocean.light",
"InspiredGitHub",
"Solarized (dark)",
"Solarized (light)",
]))
.default_value("base16-eighties.dark"),
)
.arg(
Arg::new("no-highlighting")
.long("no-syntax-highlighting")
.short('d')
.help("Disable syntax highlighting.")
.conflicts_with("theme")
.action(ArgAction::SetTrue),
);
#[cfg(feature = "completion")]
{
command = clap_autocomplete::add_subcommand(command);
}
#[cfg(feature = "completion")]
let command_copy = command.clone();
let matches = command.get_matches_mut();
#[cfg(feature = "completion")]
{
if let Some(result) = clap_autocomplete::test_subcommand(&matches, command_copy) {
if let Err(err) = result {
eprintln!("{err}");
std::process::exit(1);
} else {
std::process::exit(0);
}
}
}
let paths = matches.get_many::<String>("PATHS").unwrap_or_else(|| {
command.print_long_help().unwrap();
std::process::exit(1);
});
let continue_behaviour = {
if matches.get_flag("continue") {
ContinueBehaviour::Default
} else if matches.get_flag("yes") {
ContinueBehaviour::Yes
} else if matches.get_flag("no") {
ContinueBehaviour::No
} else {
ContinueBehaviour::Ask
}
};
let mut threads = Vec::new();
let mut bad_status = false;
let theme = matches
.get_one::<String>("theme")
.expect("We provided a default");
let syntax_highlighting = !matches.get_flag("no-highlighting");
for path in paths {
let path = Path::new(path);
match path.is_dir() {
true => {
let path = path.to_path_buf();
let theme = theme.clone();
let thread = std::thread::spawn(move || {
info!("Watching directory and overriding files.");
lib::watch(
&path,
HEADER_PRE_META,
HEADER_POST_META,
FOOTER,
IGNORED_EXTENSIONS,
continue_behaviour,
&theme,
syntax_highlighting,
);
});
threads.push(thread);
}
false => {
if lib::process_document(
path,
HEADER_PRE_META,
HEADER_POST_META,
FOOTER,
IGNORED_EXTENSIONS,
continue_behaviour,
theme,
syntax_highlighting,
)
.is_err()
{
bad_status = true;
}
info!("Done converting CommonMark to HTML.");
}
}
}
for thread in threads {
thread
.join()
.unwrap_or_else(|e| lib::exit_with_message(format!("Watch thread failed: {:?}", e)))
}
if bad_status {
std::process::exit(1);
}
}