mocari 0.2.0

A pure Rust Live2D/Cubism-compatible runtime
Documentation 
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use std::fmt;
use std::str::FromStr;

use crate::{Error, Result};

#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct Id(String);

impl Id {
    pub fn new(value: impl Into<String>) -> Result<Self> {
        let value = value.into();
        if value.is_empty() {
            return Err(Error::EmptyId);
        }

        Ok(Self(value))
    }

    pub fn as_str(&self) -> &str {
        &self.0
    }
}

impl fmt::Display for Id {
    fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
        formatter.write_str(self.as_str())
    }
}

impl FromStr for Id {
    type Err = Error;

    fn from_str(value: &str) -> Result<Self> {
        Self::new(value)
    }
}

macro_rules! typed_id {
    ($name:ident) => {
        #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
        pub struct $name(Id);

        impl $name {
            pub fn new(value: impl Into<String>) -> Result<Self> {
                Id::new(value).map(Self)
            }

            pub fn as_str(&self) -> &str {
                self.0.as_str()
            }
        }

        impl fmt::Display for $name {
            fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
                formatter.write_str(self.as_str())
            }
        }

        impl FromStr for $name {
            type Err = Error;

            fn from_str(value: &str) -> Result<Self> {
                Self::new(value)
            }
        }
    };
}

typed_id!(ParameterId);
typed_id!(PartId);
typed_id!(DrawableId);