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Ondřej Hruška 5 years ago
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  1. 4
      .gitignore
  2. 404
      Cargo.lock
  3. 19
      Cargo.toml
  4. 133
      src/main.rs

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"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
"checksum winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f10e386af2b13e47c89e7236a7a14a086791a2b88ebad6df9bf42040195cf770"
"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

19
Cargo.toml
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[package]
name = "srtune"
version = "0.1.0"
authors = ["Ondřej Hruška <ondra@ondrovo.com>"]
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"

133
src/main.rs
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#[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<f32, ()> {
// 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<P: AsRef<Path>>(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<usize> {
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)
}
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