aligner 0.1.6

Automatically corrects subtitle timings given a second correct subtitle
Documentation 
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// This file is part of the Rust library and binary `aligner`.
//
// Copyright (C) 2017 kaegi
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

use subparse;

// see https://docs.rs/error-chain/0.8.1/error_chain/
#[cfg_attr(rustfmt, rustfmt_skip)]
error_chain! {
    foreign_links {
        Io(::std::io::Error);
    }

    links {
        SubparseError(subparse::errors::Error, subparse::errors::ErrorKind);
    }

    errors {
        FileOperation(file: String) {
            display("operation on file '{}' failed", file)
        }
        UnknownEncoding(enc: String) {
            display("unknown file encoding '{}'", enc)
        }
        SsaFormattingInfoNotFound {
            description("file did not have a `[Events]` section containing a line beginning with `Format: `")
        }
        ArgumentParseError(argument_name: &'static str, s: String) {
            display("command line argument '{}' could not be parsed from string '{}'", argument_name, s)
        }
        InvalidArgument(argument_name: &'static str) {
            display("command line argument '{}' has invalid value", argument_name)
        }
        ExpectedPositiveNumber(i: i64) {
            display("expected positive number, got '{}'", i)
        }
        ValueNotInRange(v: f64, min: f64, max: f64) {
            display("expected value in the range from '{}' to '{}', found value '{}'", min, max, v)
        }
        DifferentOutputFormat(input_file: String, output_file: String) {
            description("the requested output file has a different format than the incorrect subtitle file (this program does not convert)")
            display("the requested output '{}' file has a different format than the incorrect subtitle file '{}' (this program does not convert)", output_file, input_file)
        }
    }
}