INNER CODE UNIT · Rust

page_file_name

edwardkim/rhwp · bindings/Native/src/lib.rs:438

fn page_file_name(file_stem: &str, ext: &str, page_count: u32, page_num: u32) -> String {
    if page_count == 1 {
        format!("{}.{}", file_stem, ext)
    } else {
        format!("{}_{:03}.{}", file_stem, page_num + 1, ext)
    }
}

fn ensure_trailing_newline(s: &mut String) {
    if !s.ends_with('\n') {
        s.push('\n');
    }
}

fn mime_to_ext(mime: &str) -> &'static str {
    match mime {
        "image/png" => "png",
        "image/jpeg" => "jpg",

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