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"712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..9314254 --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,19 @@ +[package] +name = "srtune" +version = "0.1.0" +authors = ["Ondřej Hruška "] +edition = "2018" + +[dependencies] +#srt = "0.1.0" +clap = "2.33.0" +log = "0.4" +failure = "0.1.5" +serde = "1.0" +serde_json = "1.0" +serde_derive = "1.0" +smart-default = "0.5" +lazy_static = "1.3.0" + +nom = "4.2.3" +regex = "1.1.7" diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..28d1dd8 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,133 @@ +#[macro_use] +extern crate failure; +#[macro_use] +extern crate log; +#[macro_use] +extern crate lazy_static; + + +use regex::Regex; +use std::path::Path; +use std::fs::File; +use std::io::{Read, Seek, SeekFrom}; +use std::io; +use std::str::FromStr; + +fn main() { + let argv = + clap::App::new("srtune") + .version(env!("CARGO_PKG_VERSION")) + .arg(clap::Arg::with_name("input") + .value_name("INFILE") + .required(true) + .index(1) + .help("Input file"), + ) + .arg(clap::Arg::with_name("output") + .value_name("OUTFILE") + .required(true) + .index(2) + .help("Output file"), + ) + .get_matches(); + + let inf = argv.value_of("input").unwrap(); + let outf = argv.value_of("output").unwrap(); + + let source = read_file(inf); + + let mut lines = source.lines(); + + let mut subs = vec![]; + + while let Some(x) = lines.next() { + if x.is_empty() { + continue; + } + + // 236 + // 00:18:01,755 --> 00:18:03,774 + // （掃除機の音） + // う～ん…。 + if let Ok(num) = u32::from_str(x) { + // println!("Entry {}", num); + let datesrow = lines.next().expect("expected date row"); + if datesrow.contains(" --> ") { + let mut halves = datesrow.split(" --> "); + let start = parse_time(halves.next().expect("expected two halves")).expect("invalid time"); + let end = parse_time(halves.next().expect("expected two halves")).expect("invalid time"); + + //println!("{} -> {} secs", start, end); + + let mut text = vec![]; + while let Some(x) = lines.next() { + if x.is_empty() { + break; + } + text.push(x); + } + + let text = text.join("\n"); + + //println!("Lines: {}", text); + + subs.push(Subtitle { + num, start, end, text + }) + } + } + } + + println!("Parsed {} entries.", subs.len()); + + //println!("{:?}", parsed); +} + +struct Subtitle { + num : u32, + start: f32, + end: f32, + text: String +} + +lazy_static! { + static ref DATE_RE: Regex = Regex::new(r"(\d+):(\d+):(\d+),(\d+)").unwrap(); +} + +fn parse_time(time : &str) -> Result { + // 00:18:01,755 + match DATE_RE.captures(time) { + Some(caps) => { + Ok(f32::from_str(caps.get(1).unwrap().as_str()).unwrap()*3600f32 + + f32::from_str(caps.get(2).unwrap().as_str()).unwrap()*60f32 + + f32::from_str(caps.get(3).unwrap().as_str()).unwrap()+ + f32::from_str(caps.get(4).unwrap().as_str()).unwrap() * 0.001f32) + }, + None => Err(()) + } +} + +/// Read a file to string; panics on error. +fn read_file>(path: P) -> String { + let path = path.as_ref(); + let mut file = File::open(path).expect(&format!("Could not open file: {:?}", path)); + + let mut buf = String::with_capacity(file_len(&mut file).expect("Er testing file len")); + file.read_to_string(&mut buf) + .expect(&format!("Error reading file {:?}", path)); + buf +} + +fn file_len(file : &mut File) -> io::Result { + let old_pos = file.seek(SeekFrom::Current(0))?; + let len = file.seek(SeekFrom::End(0))?; + + // Avoid seeking a third time when we were already at the end of the + // stream. The branch is usually way cheaper than a seek operation. + if old_pos != len { + file.seek(SeekFrom::Start(old_pos))?; + } + + Ok(len as usize) +} +