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use is_macro::Is;
use string_enum::StringEnum;
use swc_atoms::{Atom, JsWord};
use swc_common::{ast_node, EqIgnoreSpan, Span};

#[ast_node("Document")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct Document {
    pub span: Span,
    pub mode: DocumentMode,
    pub children: Vec<Child>,
}

#[ast_node("DocumentFragment")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct DocumentFragment {
    pub span: Span,
    pub children: Vec<Child>,
}

#[derive(StringEnum, Clone, Copy, Eq, PartialEq, PartialOrd, Ord, Hash, EqIgnoreSpan)]
#[cfg_attr(
    feature = "rkyv",
    derive(rkyv::Archive, rkyv::Serialize, rkyv::Deserialize)
)]
#[cfg_attr(
    feature = "rkyv",
    archive(bound(
        serialize = "__S: rkyv::ser::Serializer + rkyv::ser::ScratchSpace + \
                     rkyv::ser::SharedSerializeRegistry",
        deserialize = "__D: rkyv::de::SharedDeserializeRegistry"
    ))
)]
pub enum DocumentMode {
    /// `no-quirks`
    NoQuirks,
    /// `limited-quirks`
    LimitedQuirks,
    /// `quirks`
    Quirks,
}

#[ast_node]
#[derive(Eq, Hash, Is, EqIgnoreSpan)]
pub enum Child {
    #[tag("DocumentType")]
    DocumentType(DocumentType),
    #[tag("Element")]
    Element(Element),
    #[tag("Text")]
    Text(Text),
    #[tag("Comment")]
    Comment(Comment),
}

#[ast_node("DocumentType")]
#[derive(Eq, Hash)]
pub struct DocumentType {
    pub span: Span,

    pub name: Option<JsWord>,

    pub public_id: Option<JsWord>,

    pub system_id: Option<JsWord>,
    pub raw: Option<Atom>,
}

impl EqIgnoreSpan for DocumentType {
    fn eq_ignore_span(&self, other: &Self) -> bool {
        self.name == other.name
            && self.public_id == other.public_id
            && self.system_id == other.system_id
    }
}

#[derive(StringEnum, Clone, Copy, Eq, PartialEq, PartialOrd, Ord, Hash, EqIgnoreSpan)]
#[cfg_attr(
    feature = "rkyv",
    derive(rkyv::Archive, rkyv::Serialize, rkyv::Deserialize)
)]
#[cfg_attr(
    feature = "rkyv",
    archive(bound(
        serialize = "__S: rkyv::ser::Serializer + rkyv::ser::ScratchSpace + \
                     rkyv::ser::SharedSerializeRegistry",
        deserialize = "__D: rkyv::de::SharedDeserializeRegistry"
    ))
)]
pub enum Namespace {
    /// `http://www.w3.org/1999/xhtml`
    HTML,
    /// `http://www.w3.org/1998/Math/MathML`
    MATHML,
    /// `http://www.w3.org/2000/svg`
    SVG,
    /// `http://www.w3.org/1999/xlink`
    XLINK,
    /// `http://www.w3.org/XML/1998/namespace`
    XML,
    /// `http://www.w3.org/2000/xmlns/`
    XMLNS,
}

#[ast_node("Element")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct Element {
    pub span: Span,

    pub tag_name: JsWord,
    pub namespace: Namespace,
    pub attributes: Vec<Attribute>,
    pub children: Vec<Child>,
    /// For child nodes in `<template>`
    pub content: Option<DocumentFragment>,
    pub is_self_closing: bool,
}

#[ast_node("Attribute")]
#[derive(Eq, Hash)]
pub struct Attribute {
    pub span: Span,
    pub namespace: Option<Namespace>,

    pub prefix: Option<JsWord>,

    pub name: JsWord,
    pub raw_name: Option<Atom>,

    pub value: Option<JsWord>,
    pub raw_value: Option<Atom>,
}

impl EqIgnoreSpan for Attribute {
    fn eq_ignore_span(&self, other: &Self) -> bool {
        self.namespace == other.namespace
            && self.prefix == other.prefix
            && self.name == other.name
            && self.value == other.value
    }
}

#[ast_node("Text")]
#[derive(Eq, Hash)]
pub struct Text {
    pub span: Span,

    pub data: JsWord,
    pub raw: Option<Atom>,
}

impl EqIgnoreSpan for Text {
    fn eq_ignore_span(&self, other: &Self) -> bool {
        self.data == other.data
    }
}

#[ast_node("Comment")]
#[derive(Eq, Hash)]
pub struct Comment {
    pub span: Span,

    pub data: JsWord,
    pub raw: Option<Atom>,
}

impl EqIgnoreSpan for Comment {
    fn eq_ignore_span(&self, other: &Self) -> bool {
        self.data == other.data
    }
}