Split up `model` module

1 files changed, 0 insertions, 144 deletions

diff --git a/src/model/library.rs b/src/model/library.rs
deleted file mode 100644
index 8ef22f10..00000000
--- a/src/model/library.rs
+++ /dev/null
@@ -1,144 +0,0 @@
-use std::fmt::{self, Debug, Formatter};
-use std::hash::{Hash, Hasher};
-use std::num::NonZeroUsize;
-
-use ecow::EcoString;
-use once_cell::sync::OnceCell;
-
-use super::{Content, Module, NodeId, StyleChain, StyleMap, Vt};
-use crate::diag::SourceResult;
-use crate::doc::Document;
-use crate::geom::{Abs, Dir};
-use crate::util::hash128;
-
-/// Definition of Typst's standard library.
-#[derive(Debug, Clone, Hash)]
-pub struct Library {
-    /// The scope containing definitions that are available everywhere.
-    pub global: Module,
-    /// The scope containing definitions available in math mode.
-    pub math: Module,
-    /// The default properties for page size, font selection and so on.
-    pub styles: StyleMap,
-    /// Defines which standard library items fulfill which syntactical roles.
-    pub items: LangItems,
-}
-
-/// Definition of library items the language is aware of.
-#[derive(Clone)]
-pub struct LangItems {
-    /// The root layout function.
-    pub layout:
-        fn(vt: &mut Vt, content: &Content, styles: StyleChain) -> SourceResult<Document>,
-    /// Access the em size.
-    pub em: fn(StyleChain) -> Abs,
-    /// Access the text direction.
-    pub dir: fn(StyleChain) -> Dir,
-    /// Whitespace.
-    pub space: fn() -> Content,
-    /// A forced line break: `\`.
-    pub linebreak: fn() -> Content,
-    /// Plain text without markup.
-    pub text: fn(text: EcoString) -> Content,
-    /// The id of the text node.
-    pub text_id: NodeId,
-    /// Get the string if this is a text node.
-    pub text_str: fn(&Content) -> Option<&str>,
-    /// A smart quote: `'` or `"`.
-    pub smart_quote: fn(double: bool) -> Content,
-    /// A paragraph break.
-    pub parbreak: fn() -> Content,
-    /// Strong content: `*Strong*`.
-    pub strong: fn(body: Content) -> Content,
-    /// Emphasized content: `_Emphasized_`.
-    pub emph: fn(body: Content) -> Content,
-    /// Raw text with optional syntax highlighting: `` `...` ``.
-    pub raw: fn(text: EcoString, tag: Option<EcoString>, block: bool) -> Content,
-    /// A hyperlink: `https://typst.org`.
-    pub link: fn(url: EcoString) -> Content,
-    /// A reference: `@target`.
-    pub ref_: fn(target: EcoString) -> Content,
-    /// A section heading: `= Introduction`.
-    pub heading: fn(level: NonZeroUsize, body: Content) -> Content,
-    /// An item in a bullet list: `- ...`.
-    pub list_item: fn(body: Content) -> Content,
-    /// An item in an enumeration (numbered list): `+ ...` or `1. ...`.
-    pub enum_item: fn(number: Option<NonZeroUsize>, body: Content) -> Content,
-    /// An item in a term list: `/ Term: Details`.
-    pub term_item: fn(term: Content, description: Content) -> Content,
-    /// A mathematical formula: `$x$`, `$ x^2 $`.
-    pub formula: fn(body: Content, block: bool) -> Content,
-    /// An alignment point in a formula: `&`.
-    pub math_align_point: fn() -> Content,
-    /// Matched delimiters surrounding math in a formula: `[x + y]`.
-    pub math_delimited: fn(open: Content, body: Content, close: Content) -> Content,
-    /// A base with optional attachments in a formula: `a_1^2`.
-    pub math_attach:
-        fn(base: Content, bottom: Option<Content>, top: Option<Content>) -> Content,
-    /// A base with an accent: `arrow(x)`.
-    pub math_accent: fn(base: Content, accent: char) -> Content,
-    /// A fraction in a formula: `x/2`.
-    pub math_frac: fn(num: Content, denom: Content) -> Content,
-}
-
-impl Debug for LangItems {
-    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
-        f.pad("LangItems { .. }")
-    }
-}
-
-impl Hash for LangItems {
-    fn hash<H: Hasher>(&self, state: &mut H) {
-        (self.layout as usize).hash(state);
-        (self.em as usize).hash(state);
-        (self.dir as usize).hash(state);
-        self.space.hash(state);
-        self.linebreak.hash(state);
-        self.text.hash(state);
-        self.text_id.hash(state);
-        (self.text_str as usize).hash(state);
-        self.smart_quote.hash(state);
-        self.parbreak.hash(state);
-        self.strong.hash(state);
-        self.emph.hash(state);
-        self.raw.hash(state);
-        self.link.hash(state);
-        self.ref_.hash(state);
-        self.heading.hash(state);
-        self.list_item.hash(state);
-        self.enum_item.hash(state);
-        self.term_item.hash(state);
-        self.formula.hash(state);
-        self.math_align_point.hash(state);
-        self.math_delimited.hash(state);
-        self.math_attach.hash(state);
-        self.math_accent.hash(state);
-        self.math_frac.hash(state);
-    }
-}
-
-/// Global storage for lang items.
-#[doc(hidden)]
-pub static LANG_ITEMS: OnceCell<LangItems> = OnceCell::new();
-
-/// Set the lang items. This is a hack :(
-///
-/// Passing the lang items everywhere they are needed (especially the text node
-/// related things) is very painful. By storing them globally, in theory, we
-/// break incremental, but only when different sets of lang items are used in
-/// the same program. For this reason, if this function is called multiple
-/// times, the items must be the same.
-pub fn set_lang_items(items: LangItems) {
-    if let Err(items) = LANG_ITEMS.set(items) {
-        let first = hash128(LANG_ITEMS.get().unwrap());
-        let second = hash128(&items);
-        assert_eq!(first, second, "set differing lang items");
-    }
-}
-
-/// Access a lang item.
-macro_rules! item {
-    ($name:ident) => {
-        $crate::model::LANG_ITEMS.get().unwrap().$name
-    };
-}