k2f_docx 0.2.2

K2F lock → DOCX exporter
Documentation 
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pub fn escape_xml(s: &str) -> String {
    let mut out = String::with_capacity(s.len());
    for c in s.chars() {
        match c {
            '&' => out.push_str("&"),
            '<' => out.push_str("&lt;"),
            '>' => out.push_str("&gt;"),
            '"' => out.push_str("&quot;"),
            '\'' => out.push_str("&apos;"),
            _ => out.push(c),
        }
    }
    out
}

/// Lock sRGB is the only color in the Office file.
///
/// Never write theme/`sysClr`/`auto` for content. Word and PowerPoint Dark Mode
/// remap those to the OS theme. Exact `#000000` / `#FFFFFF` snap to the same
/// slots, so they are stored as `000001` / `FFFFFE`. Every other lock RGB is
/// written as-is. Surfaces are DrawingML `a:solidFill`, not Word `w:shd`.
pub fn word_hex_color(color: &str) -> String {
    let t = color.trim().trim_start_matches('#');
    if t.len() == 6 && t.bytes().all(|b| b.is_ascii_hexdigit()) {
        match t.to_ascii_uppercase().as_str() {
            "000000" => "000001".into(),
            "FFFFFF" => "FFFFFE".into(),
            u => u.to_string(),
        }
    } else {
        "000001".into()
    }
}