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#![macro_use]
macro_rules! get_field_impl {
($op:ident, $map:expr, bool $name:expr) => {
$map.$op($name).ok_or(Error::Proto(ProtoError::NoField($name)))
.map(|v| v == "1")?
};
($op:ident, $map:expr, opt $name:expr) => {
$map.$op($name).map(|v| v.parse().map(Some)).unwrap_or(Ok(None))?
};
($op:ident, $map:expr, $name:expr) => {
$map.$op($name).ok_or(Error::Proto(ProtoError::NoField($name)))
.and_then(|v| v.parse().map_err(|e| Error::Parse(From::from(e))))?
};
}
macro_rules! get_field {
($map:expr, bool $name:expr) => { get_field_impl!(get, $map, bool $name) };
($map:expr, opt $name:expr) => { get_field_impl!(get, $map, opt $name) };
($map:expr, $name:expr) => { get_field_impl!(get, $map, $name) }
}
macro_rules! pop_field {
($map:expr, bool $name:expr) => { get_field_impl!(remove, $map, bool $name) };
($map:expr, opt $name:expr) => { get_field_impl!(remove, $map, opt $name) };
($map:expr, $name:expr) => { get_field_impl!(remove, $map, $name) }
}
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