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|
use std::fmt::{self,Debug,Formatter};
use serde_derive::Serialize;
use super::elements::*;
pub trait HasChildren<C> {
fn with_children(children: Vec<C>) -> Self;
fn children(&self) -> &Vec<C>;
fn children_mut(&mut self) -> &mut Vec<C>;
fn append_child<R: Into<C>>(&mut self, child: R) {
self.children_mut().push(child.into());
}
fn append_children<R: Into<C> + Clone>(&mut self, more: &[R]) {
let children = self.children_mut();
children.reserve(more.len());
for child in more {
children.push(child.clone().into());
}
}
}
macro_rules! synonymous_enum {
( $name:ident : $super1:ident + $super2:ident { $( $entry:ident ),* $(,)* } ) => {
synonymous_enum!($name: $super1 { $( $entry, )* });
$( impl Into<$super2> for $entry {
fn into(self) -> $super2 {
$super2::$super1($name::$entry(self).into())
}
} )*
};
( $name:ident : $super:ident { $( $entry:ident ),* $(,)* } ) => {
synonymous_enum!($name { $( $entry, )* });
$( impl Into<$super> for $entry {
fn into(self) -> $super {
$super::$name($name::$entry(self).into())
}
} )*
};
( $name:ident { $( $entry:ident ),* $(,)* } ) => {
#[derive(Serialize)]
pub enum $name {
$( $entry($entry), )*
}
impl Debug for $name {
fn fmt(&self, fmt: &mut Formatter) -> Result<(), fmt::Error> {
match *self {
$( $name::$entry(ref inner) => inner.fmt(fmt), )*
}
}
}
$( impl Into<$name> for $entry {
fn into(self) -> $name {
$name::$entry(self)
}
} )*
};
}
synonymous_enum!(StructuralSubElement { Title, Subtitle, Decoration, Docinfo, SubStructure });
synonymous_enum!(SubStructure: StructuralSubElement { Topic, Sidebar, Transition, Section, BodyElement });
//TODO: also implement into: SubTopic, SubSidebar, SubBlockQuote, SubFootnote, SubFigure
synonymous_enum!(BodyElement: SubStructure + StructuralSubElement {
//Simple
Paragraph, LiteralBlock, DoctestBlock, MathBlock, Rubric, SubstitutionDefinition, Comment, Pending, Target, Raw, Image,
//Compound
Compound, Container,
BulletList, EnumeratedList, DefinitionList, FieldList, OptionList,
LineBlock, BlockQuote, Admonition, Attention, Hint, Note, Caution, Danger, Error, Important, Tip, Warning, Footnote, Citation, SystemMessage, Figure, Table
});
synonymous_enum!(BibliographicElement { Author, Authors, Organization, Address, Contact, Version, Revision, Status, Date, Copyright, Field });
synonymous_enum!(TextOrInlineElement {
String, Emphasis, Strong, Literal, Reference, FootnoteReference, CitationReference, SubstitutionReference, TitleReference, Abbreviation, Acronym, Superscript, Subscript, Inline, Problematic, Generated, Math,
//also have non-inline versions. Inline image is no figure child, inline target has content
TargetInline, RawInline, ImageInline
});
//--------------\\
//Content Models\\
//--------------\\
synonymous_enum!(SubSection { Title, Subtitle, Docinfo, Decoration, SubStructure });
synonymous_enum!(AuthorInfo { Author, Organization, Address, Contact });
synonymous_enum!(DecorationElement { Header, Footer });
synonymous_enum!(SubTopic { Title, BodyElement });
synonymous_enum!(SubSidebar { Topic, Title, Subtitle, BodyElement });
synonymous_enum!(SubDLItem { Term, Classifier, Definition });
synonymous_enum!(SubField { FieldName, FieldBody });
synonymous_enum!(SubOptionListItem { OptionGroup, Description });
synonymous_enum!(SubOption { OptionString, OptionArgument });
synonymous_enum!(SubLineBlock { LineBlock, Line });
synonymous_enum!(SubBlockQuote { Attribution, BodyElement });
synonymous_enum!(SubFootnote { Label, BodyElement });
synonymous_enum!(SubFigure { Image, Caption, Legend, BodyElement });
#[cfg(test)]
mod test {
use std::default::Default;
use super::*;
#[test]
fn test_convert_basic() {
let _: BodyElement = Paragraph::default().into();
}
#[test]
fn test_convert_more() {
let _: SubStructure = Paragraph::default().into();
}
#[test]
fn test_convert_super() {
let _: StructuralSubElement = BodyElement::Paragraph(Paragraph::default()).into();
}
}
|
