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path: root/crates/yt/src/select/selection_file/mod.rs
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// yt - A fully featured command line YouTube client
//
// Copyright (C) 2024 Benedikt Peetz <benedikt.peetz@b-peetz.de>
// Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
// SPDX-License-Identifier: GPL-3.0-or-later
//
// This file is part of Yt.
//
// You should have received a copy of the License along with this program.
// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.

//! The data structures needed to express the file, which the user edits

use anyhow::{Result, bail};
use shlex::Shlex;

pub mod duration;

/// # Panics
/// If internal assertions fail.
pub fn process_line(line: &str) -> Result<Option<Vec<String>>> {
    // Filter out comments and empty lines
    if line.starts_with('#') || line.trim().is_empty() {
        Ok(None)
    } else {
        let split: Vec<_> = {
            let mut shl = Shlex::new(line);
            let res = shl.by_ref().collect();

            if shl.had_error {
                bail!("Failed to parse line '{line}'")
            }

            assert_eq!(shl.line_no, 1, "A unexpected newline appeared");
            res
        };

        assert!(!split.is_empty());

        Ok(Some(split))
    }
}