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//! The standard library.
//!
//! Call [`new`] to obtain a [`Scope`] containing all standard library
//! definitions.
mod extend;
mod insert;
mod layout;
mod style;
pub use extend::*;
pub use insert::*;
pub use layout::*;
pub use style::*;
use fontdock::{FontStretch, FontStyle, FontWeight};
use crate::eval::{Scope, ValueAny, ValueFunc};
use crate::geom::Dir;
/// Construct a scope containing all standard library definitions.
pub fn new() -> Scope {
let mut std = Scope::new();
macro_rules! set {
(func: $name:expr, $func:expr) => {
std.def_const($name, ValueFunc::new($name, $func))
};
(any: $var:expr, $any:expr) => {
std.def_const($var, ValueAny::new($any))
};
}
// Functions.
set!(func: "align", align);
set!(func: "box", box_);
set!(func: "font", font);
set!(func: "h", h);
set!(func: "image", image);
set!(func: "page", page);
set!(func: "pagebreak", pagebreak);
set!(func: "repr", repr);
set!(func: "rgb", rgb);
set!(func: "type", type_);
set!(func: "v", v);
// Constants.
set!(any: "left", Alignment::Left);
set!(any: "center", Alignment::Center);
set!(any: "right", Alignment::Right);
set!(any: "top", Alignment::Top);
set!(any: "bottom", Alignment::Bottom);
set!(any: "ltr", Dir::LTR);
set!(any: "rtl", Dir::RTL);
set!(any: "ttb", Dir::TTB);
set!(any: "btt", Dir::BTT);
set!(any: "serif", FontFamily::Serif);
set!(any: "sans-serif", FontFamily::SansSerif);
set!(any: "monospace", FontFamily::Monospace);
set!(any: "normal", FontStyle::Normal);
set!(any: "italic", FontStyle::Italic);
set!(any: "oblique", FontStyle::Oblique);
set!(any: "thin", FontWeight::THIN);
set!(any: "extralight", FontWeight::EXTRALIGHT);
set!(any: "light", FontWeight::LIGHT);
set!(any: "regular", FontWeight::REGULAR);
set!(any: "medium", FontWeight::MEDIUM);
set!(any: "semibold", FontWeight::SEMIBOLD);
set!(any: "bold", FontWeight::BOLD);
set!(any: "extrabold", FontWeight::EXTRABOLD);
set!(any: "black", FontWeight::BLACK);
set!(any: "ultra-condensed", FontStretch::UltraCondensed);
set!(any: "extra-condensed", FontStretch::ExtraCondensed);
set!(any: "condensed", FontStretch::Condensed);
set!(any: "semi-condensed", FontStretch::SemiCondensed);
set!(any: "normal", FontStretch::Normal);
set!(any: "semi-expanded", FontStretch::SemiExpanded);
set!(any: "expanded", FontStretch::Expanded);
set!(any: "extra-expanded", FontStretch::ExtraExpanded);
set!(any: "ultra-expanded", FontStretch::UltraExpanded);
std
}
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