fn json_input(input: &str) -> Result<Output, String> {
    let mut bytes = Vec::new();
    match File::open(input).and_then(|mut f| f.read_to_end(&mut bytes)) {
        Ok(_) => {}
        Err(e) => return Err(format!("couldn't open {}: {}", input, e)),
    };
    match json::from_reader(&mut &bytes[..]) {
        Err(s) => Err(format!("{:?}", s)),
        Ok(Json::Object(obj)) => {
            let mut obj = obj;
            // Make sure the schema is what we expect
            match obj.remove(&"schema".to_string()) {
                Some(Json::String(version)) => {
                    if version != SCHEMA_VERSION {
                        return Err(format!(
                                "sorry, but I only understand version {}",
                                SCHEMA_VERSION))
                    }
                }
                Some(..) => return Err("malformed json".to_string()),
                None => return Err("expected a schema version".to_string()),
            }
            let krate = match obj.remove(&"crate".to_string()) {
                Some(json) => {
                    let mut d = json::Decoder::new(json);
                    Decodable::decode(&mut d).unwrap()
                }
                None => return Err("malformed json".to_string()),
            };
            // FIXME: this should read from the "plugins" field, but currently
            //      Json doesn't implement decodable...
            let plugin_output = Vec::new();
            Ok(Output { krate: krate, json_plugins: plugin_output, passes: Vec::new(), })
        }
        Ok(..) => {
            Err("malformed json input: expected an object at the \
                 top".to_string())
        }
    }
}
/// This input format purely deserializes the json output file. No passes are
/// run over the deserialized output.
This input format purely deserializes the json output file. No passes are
run over the deserialized output.
This input format purely deserializes the json output file . No passes are run over the deserialized output .
fn json_input(input: &str) -> Result<Output, String> {
    let mut bytes = Vec::new();
    match File::open(input).and_then(|mut f| f.read_to_end(&mut bytes)) {
        Ok(_) => {}
        Err(e) => return Err(format!("couldn't open {}: {}", input, e)),
    };
    match json::from_reader(&mut &bytes[..]) {
        Err(s) => Err(format!("{:?}", s)),
        Ok(Json::Object(obj)) => {
            let mut obj = obj;
            // Make sure the schema is what we expect
            match obj.remove(&"schema".to_string()) {
                Some(Json::String(version)) => {
                    if version != SCHEMA_VERSION {
                        return Err(format!(
                                "sorry, but I only understand version {}",
                                SCHEMA_VERSION))
                    }
                }
                Some(..) => return Err("malformed json".to_string()),
                None => return Err("expected a schema version".to_string()),
            }
            let krate = match obj.remove(&"crate".to_string()) {
                Some(json) => {
                    let mut d = json::Decoder::new(json);
                    Decodable::decode(&mut d).unwrap()
                }
                None => return Err("malformed json".to_string()),
            };
            // FIXME: this should read from the "plugins" field, but currently
            //      Json doesn't implement decodable...
            let plugin_output = Vec::new();
            Ok(Output { krate: krate, json_plugins: plugin_output, passes: Vec::new(), })
        }
        Ok(..) => {
            Err("malformed json input: expected an object at the \
                 top".to_string())
        }
    }
}
fn json_input ( input : & str ) -> Result < Output , String > { let mut bytes = Vec :: new ( ) ; match File :: open ( input ) . and_then ( | mut f | f . read_to_end ( & mut bytes ) ) { Ok ( _ ) => { } Err ( e ) => return Err ( format ! ( " " input e ) ) , } ; match json :: from_reader ( & mut & bytes [ .. ] ) { Err ( s ) => Err ( format ! ( " " s ) ) , Ok ( Json :: Object ( obj ) ) => { let mut obj = obj ; // Make sure the schema is what we expect match obj . remove ( & " " . to_string ( ) ) { Some ( Json :: String ( version ) ) => { if version != SCHEMA_VERSION { return Err ( format ! ( " " SCHEMA_VERSION ) ) } } Some ( .. ) => return Err ( " " . to_string ( ) ) , None => return Err ( " " . to_string ( ) ) , } let krate = match obj . remove ( & " " . to_string ( ) ) { Some ( json ) => { let mut d = json :: Decoder :: new ( json ) ; Decodable :: decode ( & mut d ) . unwrap ( ) } None => return Err ( " " . to_string ( ) ) , } ; // FIXME: this should read from the "plugins" field, but currently //      Json doesn't implement decodable... let plugin_output = Vec :: new ( ) ; Ok ( Output { krate : krate , json_plugins : plugin_output , passes : Vec :: new ( ) , } ) } Ok ( .. ) => { Err ( " \
 " . to_string ( ) ) } } }
This input format purely deserializes the json output file.
This input format purely deserializes the json output file .
input
&str