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|
use url::Url;
use serde::{
Serialize,
Serializer,
ser::SerializeStruct,
};
use super::attribute_types::{FixedSpace,ID,NameToken,AlignHV,AlignH,Measure,EnumeratedListType};
pub trait ExtraAttributes<A> {
// fn with_extra(extra: A) -> Self;
fn extra (& self) -> & A;
fn extra_mut(&mut self) -> &mut A;
}
macro_rules! count {
() => (0usize);
( $x:tt $($xs:tt)* ) => (1usize + count!($($xs)*));
}
macro_rules! ser_url {
($self:ident, refuri ) => { $self.refuri.as_ref().map(|uri| uri.to_string()) };
($self:ident, uri ) => { $self.uri.to_string() };
($self:ident, $param:ident) => { $self.$param };
}
macro_rules! impl_extra {
( $name:ident { $( $param:ident : $type:ty ),* $(,)* } ) => (
impl_extra!(
#[derive(Default,Debug)]
$name { $( $param : $type, )* }
);
);
( $(#[$attr:meta])+ $name:ident { $( $param:ident : $type:ty ),* $(,)* } ) => (
$(#[$attr])+
pub struct $name {
$( pub $param : $type, )*
}
impl Serialize for $name {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer {
#[allow(unused_mut)]
let mut state = serializer.serialize_struct(stringify!($name), count!($($param)*))?;
$( state.serialize_field(stringify!($param), &ser_url!(self, $param))?; )*
state.end()
}
}
);
}
impl_extra!(Address { space: FixedSpace });
impl_extra!(LiteralBlock { space: FixedSpace });
impl_extra!(DoctestBlock { space: FixedSpace });
impl_extra!(SubstitutionDefinition { ltrim: Option<bool>, rtrim: Option<bool> });
impl_extra!(Comment { space: FixedSpace });
impl_extra!(Target { refuri: Option<Url>, refid: Option<ID>, refname: Vec<NameToken>, anonymous: bool });
impl_extra!(Raw { space: FixedSpace, format: Vec<NameToken> });
impl_extra!(#[derive(Debug)] Image {
align: Option<AlignHV>,
uri: Url,
alt: Option<String>,
height: Option<Measure>,
width: Option<Measure>,
scale: Option<f64>,
});
//bools usually are XML yesorno. “auto” however either exists and is set to something random like “1” or doesn’t exist
impl_extra!(BulletList { bullet: Option<String> });
impl_extra!(EnumeratedList { enumtype: Option<EnumeratedListType>, prefix: Option<String>, suffix: Option<String> });
impl_extra!(Footnote { backrefs: Vec<ID>, auto: Option<bool> });
impl_extra!(Citation { backrefs: Vec<ID> });
impl_extra!(SystemMessage { backrefs: Vec<ID>, level: Option<usize>, line: Option<usize>, type_: Option<NameToken> });
impl_extra!(Figure { align: Option<AlignH>, width: Option<usize> });
impl_extra!(Table {}); //TODO
impl_extra!(OptionArgument { delimiter: Option<String> });
impl_extra!(Reference { name: Option<String>, refuri: Option<Url>, refid: Option<ID>, refname: Vec<NameToken> });
impl_extra!(FootnoteReference { refid: Option<ID>, refname: Vec<NameToken>, auto: Option<bool> });
impl_extra!(CitationReference { refid: Option<ID>, refname: Vec<NameToken> });
impl_extra!(SubstitutionReference { refname: Vec<NameToken> });
impl_extra!(Problematic { refid: Option<ID> });
//also have non-inline versions. Inline image is no figure child, inline target has content
impl_extra!(TargetInline { refuri: Option<Url>, refid: Option<ID>, refname: Vec<NameToken>, anonymous: bool });
impl_extra!(RawInline { space: FixedSpace, format: Vec<NameToken> });
impl_extra!(#[derive(Debug)] ImageInline {
align: Option<AlignHV>,
uri: Url,
alt: Option<String>,
height: Option<Measure>,
width: Option<Measure>,
scale: Option<f64>,
});
|
