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use std::io;
use std::fs::File;
use argparse::{ArgumentParser, StoreTrue, Store};
use crate::options::{EncodingOptions, Options};
mod encoding;
mod error;
mod id3v2;
mod options;
mod util;
fn main() -> io::Result<()> {
let options = {
let mut options: Options = Default::default();
{
let mut ap = ArgumentParser::new();
ap.set_description("ID3v2 tag editor/fixer. Incomplete/work-in-progress.");
ap.refer(&mut options.write)
.add_option(&["-w", "--write"], StoreTrue,
"Write updated information instead of just displaying. Unmodified or unknown tags are preserved as-is.");
ap.refer(&mut options.latin1_as_utf8)
.add_option(&["--assume-utf8"], StoreTrue,
"Assume that all strings specified in the MP3 as Latin-1 are really UTF-8.");
ap.refer(&mut options.set_tags.album) .add_option(&["-A", "--album"], Store, "Set/replace album");
ap.refer(&mut options.set_tags.artist).add_option(&["-a", "--artist"], Store, "Set/replace artist");
ap.refer(&mut options.set_tags.title) .add_option(&["-t", "--title"], Store, "Set/replace title");
ap.refer(&mut options.set_tags.track) .add_option(&["-T", "--track"], Store, "Set/replace track number (num or num/num)");
ap.refer(&mut options.set_tags.year) .add_option(&["-y", "--year"], Store, "Set/replace year");
ap.refer(&mut options.file)
.required()
.add_argument("file", Store,
"File to operate on (probably a .mp3)");
ap.parse_args_or_exit();
}
options
};
let mut f = File::open(options.file)?;
let tag = id3v2::ID3v2::from_stream(&mut f)?;
// println!("{:?}", tag);
// TODO: apply changes from options here
for frame in tag.frames {
match frame.interpret(&EncodingOptions { latin1_as_utf8: options.latin1_as_utf8 })? {
Some(id3v2::Frame::TALB(album)) => println!("Album : '{}'", album),
Some(id3v2::Frame::TIT2(title)) => println!("Title : '{}'", title),
Some(id3v2::Frame::TPE1(artist)) => println!("Artist: '{}'", artist),
Some(id3v2::Frame::TYER(year)) => println!("Year : '{}'", year),
Some(id3v2::Frame::TRCK(track)) => println!("Track : '{}'", track),
None => {
println!("Unknown frame: {:?}", frame);
}
}
}
// TODO: if -w, then write tags to file (if it fits)
Ok(())
}
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