Method open

edit/src/main.rs:49–87

Open an existing file. If it doesn't exist return an empty File.

(path: &str)

impl File {
    /// Open an existing file. If it doesn't exist return an empty File.
    fn open(path: &str) -> File {
        if let Ok(mut file) = fs::File::open(path) {
            let mut buffer = Vec::<u8>::new();
            file.read_to_end(&mut buffer).expect("Couldn't read file");
            let len = buffer.len();
            return File {
                original: buffer,
                add: Vec::new(),
                pieces: vec![Piece::Original{start:0,
                                             len: len}],
                cursor: Cursor {
                    piece: 1,
                    pos: 0},

                path: String::from(path),
                changed: false,

                display_start: Cursor {
                    piece: 0,
                    pos: 0},
                line_start: 1};
        } else {
            // Doesn't exist (probably)
            return File {
                original: Vec::new(),
                add: Vec::new(),
                pieces: Vec::new(),
                cursor: Cursor {
                    piece: 0,
                    pos: 0},
                path: String::from(path),
                changed: false,

                display_start: Cursor {
                    piece: 0,
                    pos: 0},
                line_start: 1};
        }
    }

    /// Save contents of File to given path
    fn save(&self) {