vcard 0.4.13

A pure Rust implementation of vCard based on RFC 6350.
Documentation 
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use std::fmt::{self, Display, Formatter, Write};

use validators::{Validated, ValidatedWrapper};

use super::{
    super::{
        parameters::{any::Any, Parameter},
        values::{product_id_value::ProductIDValue, Value},
        Set,
    },
    *,
};

#[derive(Clone, Debug, PartialEq, Eq, Hash)]
pub struct ProductID {
    pub any:   Option<Set<Any>>,
    pub value: ProductIDValue,
}

impl ProductID {
    pub fn from_product_id_value(product_id_value: ProductIDValue) -> ProductID {
        ProductID {
            any: None, value: product_id_value
        }
    }

    pub fn is_empty(&self) -> bool {
        self.value.is_empty()
    }
}

impl Property for ProductID {
    fn fmt(&self, f: &mut Formatter) -> Result<(), fmt::Error> {
        if self.is_empty() {
            return Ok(());
        }

        f.write_str("PRODID")?;

        macro_rules! fmt {
            ($c:tt, $p:ident) => {
                fmt_g!($c, Parameter, self, $p, f);
            };
        }

        fmt!(2, any);

        f.write_char(':')?;

        Value::fmt(&self.value, f)?;

        f.write_str("\r\n")?;

        Ok(())
    }
}

impl Display for ProductID {
    fn fmt(&self, f: &mut Formatter) -> Result<(), fmt::Error> {
        Property::fmt(self, f)
    }
}

impl Validated for ProductID {}

impl ValidatedWrapper for ProductID {
    type Error = &'static str;

    fn from_string(_from_string_input: String) -> Result<Self, Self::Error> {
        unimplemented!();
    }

    fn from_str(_from_str_input: &str) -> Result<Self, Self::Error> {
        unimplemented!();
    }
}