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|
//! The standard library.
//!
//! Call [`new`] to obtain a [`Scope`] containing all standard library
//! definitions.
mod align;
mod base;
mod font;
mod image;
mod pad;
mod page;
mod shapes;
mod spacing;
pub use self::image::*;
pub use align::*;
pub use base::*;
pub use font::*;
pub use pad::*;
pub use page::*;
pub use shapes::*;
pub use spacing::*;
use std::fmt::{self, Display, Formatter};
use fontdock::{FontStretch, FontStyle, FontWeight};
use crate::eval::{Scope, ValueAny, ValueFunc};
use crate::exec::Softness;
use crate::layout::*;
use crate::prelude::*;
/// 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(Some($name.into()), $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: "pad", pad);
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", AlignValue::Left);
set!(any: "center", AlignValue::Center);
set!(any: "right", AlignValue::Right);
set!(any: "top", AlignValue::Top);
set!(any: "bottom", AlignValue::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
}
typify! {
Dir: "direction"
}
|
