Add live watching and rendering of files

pull/1/head
trivernis 4 years ago
parent 6bf51b91f0
commit a320363764

204
Cargo.lock generated

@ -122,6 +122,17 @@ dependencies = [
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"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
"checksum winapi-util 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
"checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
"checksum xml-rs 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b07db065a5cf61a7e4ba64f29e67db906fb1787316516c4e6e5ff0fea1efcd8a"
"checksum yaml-rust 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "65923dd1784f44da1d2c3dbbc5e822045628c590ba72123e1c73d3c230c4434d"

@ -1,6 +1,6 @@
[package]
name = "snekdown"
version = "0.12.0"
version = "0.12.1"
authors = ["trivernis <trivernis@protonmail.com>"]
edition = "2018"
license-file = "LICENSE"
@ -26,4 +26,5 @@ chrono = "0.4.11"
regex = "1.3.9"
lazy_static = "1.4.0"
colored = "1.9.3"
gh-emoji = "1.0.3"
gh-emoji = "1.0.3"
notify = "4.0.12"

@ -7,18 +7,23 @@ for my needs.
```
USAGE:
snekdown [OPTIONS] <input> <output>
snekdown [OPTIONS] <input> <output> [SUBCOMMAND]
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-f, --format <format> [default: html]
-f, --format <format> the output format [default: html]
ARGS:
<input>
<output>
<input> Path to the input file
<output> Path for the output file
SUBCOMMANDS:
help Prints this message or the help of the given subcommand(s)
render Default. Parse and render the document
watch Watch the document and its imports and render on change
```
## Syntax
@ -168,7 +173,7 @@ The end goal is to have a markup language with features similar to LaTeX.
- [x] Checkboxes
- [x] Emojis (\:emoji:)
- [x] Colors
- [ ] Watching and rendering on change
- [x] Watching and rendering on change
- [ ] Metadata files
- [ ] Bibliography
- [ ] Math

@ -1,20 +1,39 @@
use colored::Colorize;
use notify::{watcher, RecursiveMode, Watcher};
use snekdown::format::html::ToHtml;
use snekdown::Parser;
use std::fs::write;
use std::time::Instant;
use colored::Colorize;
use std::path::PathBuf;
use std::sync::mpsc::channel;
use std::time::{Duration, Instant};
use structopt::StructOpt;
#[derive(StructOpt, Debug)]
struct Opt {
/// Path to the input file
#[structopt(parse(from_os_str))]
input: PathBuf,
/// Path for the output file
#[structopt(parse(from_os_str))]
output: PathBuf,
/// the output format
#[structopt(short, long, default_value = "html")]
format: String,
#[structopt(subcommand)]
sub_command: Option<SubCommand>,
}
#[derive(StructOpt, Debug)]
#[structopt()]
enum SubCommand {
/// Watch the document and its imports and render on change.
Watch,
/// Default. Parse and render the document.
Render,
}
fn main() {
@ -30,6 +49,34 @@ fn main() {
);
return;
}
match &opt.sub_command {
Some(SubCommand::Render) | None => {
let _ = render(&opt);
}
Some(SubCommand::Watch) => watch(&opt),
};
}
/// Watches a file with all of its imports and renders on change
fn watch(opt: &Opt) {
let parser = render(opt);
let (tx, rx) = channel();
let mut watcher = watcher(tx, Duration::from_millis(250)).unwrap();
for path in parser.get_paths() {
watcher.watch(path, RecursiveMode::NonRecursive).unwrap();
}
while let Ok(_) = rx.recv() {
println!("---");
let parser = render(opt);
for path in parser.get_paths() {
watcher.watch(path, RecursiveMode::NonRecursive).unwrap();
}
}
}
/// Renders the document to the output path
fn render(opt: &Opt) -> Parser {
let start = Instant::now();
let mut parser = Parser::new_from_file(opt.input.to_str().unwrap().to_string()).unwrap();
let document = parser.parse();
@ -50,4 +97,6 @@ fn main() {
"{}",
format!("Total: {:?}", start.elapsed()).italic()
);
parser
}

@ -85,12 +85,18 @@ impl Parser {
}
}
/// Returns the text of the parser as a string
fn get_text(&self) -> String {
self.text
.iter()
.fold("".to_string(), |a, b| format!("{}{}", a, b))
}
/// Returns the import paths of the parser
pub fn get_paths(&self) -> Vec<String> {
self.paths.lock().unwrap().clone()
}
/// transform an import path to be relative to the current parsers file
fn transform_path(&mut self, path: String) -> String {
let mut path = path;

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