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