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Mercurial > core / rust/lib/obj/src/object/media.rs

changeset 698: 96958d3eb5b0
parent: 0ccbbd142694
author: Richard Westhaver <ellis@rwest.io>
date: Fri, 04 Oct 2024 22:04:59 -0400
permissions: -rw-r--r--
description: fixes 
     1 //! obj::media
     2 //!
     3 //! Media object types
     4 use crate::Objective;
     5 
     6 use serde::{Deserialize, Serialize};
     7 use std::{fmt, str::FromStr};
     8 /// External Media types.
     9 #[derive(Serialize, Deserialize, Debug, Hash, PartialEq)]
    10 pub struct Media {
    11   pub name: String,
    12   pub extension: MediaExtension,
    13 }
    14 
    15 impl Media {
    16   pub fn new(name: &str, ext: &str) -> Self {
    17     Media {
    18       name: name.to_string(),
    19       extension: MediaExtension::from_str(ext).unwrap(),
    20     }
    21   }
    22 }
    23 
    24 impl Objective for Media {}
    25 
    26 #[derive(Serialize, Deserialize, Debug, Hash, PartialEq)]
    27 pub enum MediaExtension {
    28   Mp3,
    29   Wav,
    30   Png,
    31   Mp4,
    32   None,
    33 }
    34 
    35 impl fmt::Display for MediaExtension {
    36   fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
    37     match self {
    38       MediaExtension::Mp3 => write!(f, "mp3"),
    39       MediaExtension::Wav => write!(f, "wav"),
    40       MediaExtension::Png => write!(f, "png"),
    41       MediaExtension::Mp4 => write!(f, "mp4"),
    42       MediaExtension::None => write!(f, ""),
    43     }
    44   }
    45 }
    46 
    47 impl FromStr for MediaExtension {
    48   type Err = ();
    49 
    50   fn from_str(input: &str) -> Result<MediaExtension, Self::Err> {
    51     match input {
    52       "mp3" => Ok(MediaExtension::Mp3),
    53       "wav" => Ok(MediaExtension::Wav),
    54       "png" => Ok(MediaExtension::Png),
    55       "mp4" => Ok(MediaExtension::Mp4),
    56       "" => Ok(MediaExtension::None),
    57       _ => Err(()),
    58     }
    59   }
    60 }