50 lines
1.6 KiB
Rust
50 lines
1.6 KiB
Rust
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/// List of allowed mimes.
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static ALLOWED_MIME_TYPES: [&str; 2] = ["text/plain;charset=utf-8", "UTF8_STRING"];
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/// Mime type supported by clipboard.
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#[derive(Clone, Copy, Eq, PartialEq, Debug)]
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pub enum MimeType {
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/// text/plain;charset=utf-8 mime type.
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///
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/// The primary mime type used by most clients
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TextPlainUtf8 = 0,
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/// UTF8_STRING mime type.
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///
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/// Some X11 clients are using only this mime type, so we
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/// should have it as a fallback just in case.
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Utf8String = 1,
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}
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impl MimeType {
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/// Find first allowed mime type among the `offered_mime_types`.
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///
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/// `find_allowed()` searches for mime type clipboard supports, if we have a match,
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/// returns `Some(MimeType)`, otherwise `None`.
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pub fn find_allowed(offered_mime_types: &[String]) -> Option<Self> {
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for offered_mime_type in offered_mime_types.iter() {
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if offered_mime_type == ALLOWED_MIME_TYPES[Self::TextPlainUtf8 as usize] {
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return Some(Self::TextPlainUtf8);
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} else if offered_mime_type == ALLOWED_MIME_TYPES[Self::Utf8String as usize] {
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return Some(Self::Utf8String);
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}
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}
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None
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}
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}
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impl ToString for MimeType {
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fn to_string(&self) -> String {
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String::from(ALLOWED_MIME_TYPES[*self as usize])
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}
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}
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/// Normalize \r and \r\n into \n.
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///
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/// Gtk does this for text/plain;charset=utf-8, so following them here, otherwise there is
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/// a chance of getting extra new lines on load, since they're converting \r and \n into
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/// \r\n on every store.
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pub fn normilize_to_lf(text: String) -> String {
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text.replace("\r\n", "\n").replace("\r", "\n")
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}
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