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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 flow;
pub mod grid;
pub mod heading;
pub mod image;
pub mod link;
pub mod list;
pub mod pad;
pub mod page;
pub mod par;
pub mod placed;
pub mod shape;
pub mod sized;
pub mod spacing;
pub mod stack;
pub mod text;
pub mod transform;
pub mod utility;
pub use self::image::*;
pub use align::*;
pub use columns::*;
pub use flow::*;
pub use grid::*;
pub use heading::*;
pub use link::*;
pub use list::*;
pub use pad::*;
pub use page::*;
pub use par::*;
pub use placed::*;
pub use shape::*;
pub use sized::*;
pub use spacing::*;
pub use stack::*;
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 typst_macros::properties;
pub use crate::diag::{At, TypResult};
pub use crate::eval::{
Args, Construct, EvalContext, Node, Property, Set, Smart, Styles, 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 crate::eval::Scope;
use prelude::*;
/// Construct a scope containing all standard library definitions.
pub fn new() -> Scope {
let mut std = Scope::new();
// Classes.
std.def_class::<PageNode>("page");
std.def_class::<ParNode>("par");
std.def_class::<TextNode>("text");
std.def_class::<HeadingNode>("heading");
std.def_class::<ListNode<Unordered>>("list");
std.def_class::<ListNode<Ordered>>("enum");
// Text functions.
std.def_func("underline", underline);
std.def_func("strike", strike);
std.def_func("overline", overline);
std.def_func("link", link);
// Break and spacing functions.
std.def_func("pagebreak", pagebreak);
std.def_func("colbreak", colbreak);
std.def_func("parbreak", parbreak);
std.def_func("linebreak", linebreak);
std.def_func("h", h);
std.def_func("v", v);
// Layout functions.
std.def_func("box", box_);
std.def_func("block", block);
std.def_func("stack", stack);
std.def_func("grid", grid);
std.def_func("pad", pad);
std.def_func("columns", columns);
std.def_func("align", align);
std.def_func("place", place);
std.def_func("move", move_);
std.def_func("scale", scale);
std.def_func("rotate", rotate);
std.def_func("image", image);
std.def_func("rect", rect);
std.def_func("square", square);
std.def_func("ellipse", ellipse);
std.def_func("circle", circle);
// 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("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(),
}
|
