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|
//! The standard library.
//!
//! Call [`new`] to obtain a [`Scope`] containing all standard library
//! definitions.
pub mod align;
pub mod columns;
pub mod container;
pub mod deco;
pub mod flow;
pub mod grid;
pub mod heading;
pub mod hidden;
pub mod image;
pub mod link;
pub mod list;
pub mod pad;
pub mod page;
pub mod par;
pub mod place;
pub mod shape;
pub mod spacing;
pub mod stack;
pub mod table;
pub mod text;
pub mod transform;
pub mod utility;
pub use self::image::*;
pub use align::*;
pub use columns::*;
pub use container::*;
pub use deco::*;
pub use flow::*;
pub use grid::*;
pub use heading::*;
pub use hidden::*;
pub use link::*;
pub use list::*;
pub use pad::*;
pub use page::*;
pub use par::*;
pub use place::*;
pub use shape::*;
pub use spacing::*;
pub use stack::*;
pub use table::*;
pub use text::*;
pub use transform::*;
pub use utility::*;
macro_rules! prelude {
($($reexport:item)*) => {
/// Helpful imports for creating library functionality.
pub mod prelude {
$(#[doc(no_inline)] $reexport)*
}
};
}
prelude! {
pub use std::fmt::{self, Debug, Formatter};
pub use std::num::NonZeroUsize;
pub use std::rc::Rc;
pub use std::hash::Hash;
pub use typst_macros::class;
pub use crate::diag::{At, TypResult};
pub use crate::eval::{
Args, Construct, EvalContext, Node, Property, Scope, Set, Smart, StyleChain,
StyleMap, Styled, Value,
};
pub use crate::frame::*;
pub use crate::geom::*;
pub use crate::layout::{
Constrain, Constrained, Constraints, Layout, LayoutContext, PackedNode, Regions,
};
pub use crate::syntax::{Span, Spanned};
pub use crate::util::{EcoString, OptionExt};
}
use prelude::*;
/// Construct a scope containing all standard library definitions.
pub fn new() -> Scope {
let mut std = Scope::new();
// Structure and semantics.
std.def_class::<PageNode>("page");
std.def_class::<PagebreakNode>("pagebreak");
std.def_class::<ParNode>("par");
std.def_class::<ParbreakNode>("parbreak");
std.def_class::<LinebreakNode>("linebreak");
std.def_class::<TextNode>("text");
std.def_class::<DecoNode<Underline>>("underline");
std.def_class::<DecoNode<Strikethrough>>("strike");
std.def_class::<DecoNode<Overline>>("overline");
std.def_class::<LinkNode>("link");
std.def_class::<HeadingNode>("heading");
std.def_class::<ListNode<Unordered>>("list");
std.def_class::<ListNode<Ordered>>("enum");
std.def_class::<TableNode>("table");
std.def_class::<ImageNode>("image");
std.def_class::<ShapeNode<Rect>>("rect");
std.def_class::<ShapeNode<Square>>("square");
std.def_class::<ShapeNode<Ellipse>>("ellipse");
std.def_class::<ShapeNode<Circle>>("circle");
// Layout.
std.def_class::<HNode>("h");
std.def_class::<VNode>("v");
std.def_class::<BoxNode>("box");
std.def_class::<BlockNode>("block");
std.def_class::<AlignNode>("align");
std.def_class::<PadNode>("pad");
std.def_class::<PlaceNode>("place");
std.def_class::<TransformNode<Move>>("move");
std.def_class::<TransformNode<Scale>>("scale");
std.def_class::<TransformNode<Rotate>>("rotate");
std.def_class::<HideNode>("hide");
std.def_class::<StackNode>("stack");
std.def_class::<GridNode>("grid");
std.def_class::<ColumnsNode>("columns");
std.def_class::<ColbreakNode>("colbreak");
// Utility functions.
std.def_func("assert", assert);
std.def_func("type", type_);
std.def_func("repr", repr);
std.def_func("join", join);
std.def_func("int", int);
std.def_func("float", float);
std.def_func("str", str);
std.def_func("abs", abs);
std.def_func("min", min);
std.def_func("max", max);
std.def_func("even", even);
std.def_func("odd", odd);
std.def_func("range", range);
std.def_func("rgb", rgb);
std.def_func("lower", lower);
std.def_func("upper", upper);
std.def_func("len", len);
std.def_func("sorted", sorted);
// Predefined colors.
// TODO: More colors.
std.def_const("white", RgbaColor::WHITE);
std.def_const("black", RgbaColor::BLACK);
std.def_const("eastern", RgbaColor::new(0x23, 0x9D, 0xAD, 0xFF));
std.def_const("conifer", RgbaColor::new(0x9f, 0xEB, 0x52, 0xFF));
std.def_const("forest", RgbaColor::new(0x43, 0xA1, 0x27, 0xFF));
// Other constants.
std.def_const("ltr", Dir::LTR);
std.def_const("rtl", Dir::RTL);
std.def_const("ttb", Dir::TTB);
std.def_const("btt", Dir::BTT);
std.def_const("left", Align::Left);
std.def_const("center", Align::Center);
std.def_const("right", Align::Right);
std.def_const("top", Align::Top);
std.def_const("horizon", Align::Horizon);
std.def_const("bottom", Align::Bottom);
std.def_const("serif", FontFamily::Serif);
std.def_const("sans-serif", FontFamily::SansSerif);
std.def_const("monospace", FontFamily::Monospace);
std
}
dynamic! {
Dir: "direction",
}
castable! {
usize,
Expected: "non-negative integer",
Value::Int(int) => int.try_into().map_err(|_| "must be at least zero")?,
}
castable! {
NonZeroUsize,
Expected: "positive integer",
Value::Int(int) => int
.try_into()
.and_then(usize::try_into)
.map_err(|_| "must be positive")?,
}
castable! {
Paint,
Expected: "color",
Value::Color(color) => Paint::Solid(color),
}
castable! {
String,
Expected: "string",
Value::Str(string) => string.into(),
}
castable! {
PackedNode,
Expected: "node",
Value::Node(node) => node.into_block(),
}
|
