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//! The module defines decoder plugin data structures
use crate::convert::FromIter;
use crate::error::Error;
/// Decoder plugin
#[derive(Clone, Debug, PartialEq, RustcEncodable)]
pub struct Plugin {
/// name
pub name: String,
/// supported file suffixes (extensions)
pub suffixes: Vec<String>,
/// supported MIME-types
pub mime_types: Vec<String>,
}
impl FromIter for Vec<Plugin> {
fn from_iter<I: Iterator<Item = Result<(String, String), Error>>>(iter: I) -> Result<Self, Error> {
let mut result = Vec::new();
let mut plugin: Option<Plugin> = None;
for reply in iter {
let (a, b) = reply?;
match &*a {
"plugin" => {
plugin.map(|p| result.push(p));
plugin = Some(Plugin {
name: b,
suffixes: Vec::new(),
mime_types: Vec::new(),
});
}
"mime_type" => {
plugin.as_mut().map(|p| p.mime_types.push(b));
}
"suffix" => {
plugin.as_mut().map(|p| p.suffixes.push(b));
}
_ => unreachable!(),
}
}
plugin.map(|p| result.push(p));
Ok(result)
}
}
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