99 lines
2.1 KiB
Typst
99 lines
2.1 KiB
Typst
#import "/src/cetz.typ": draw
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#import "consts.typ": *
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#let _grp(name, desc: none, type: "default", elmts) = {
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return ((
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type: "grp",
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name: name,
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desc: desc,
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grp-type: type,
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elmts: elmts
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),)
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}
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#let _alt(desc, elmts, ..args) = {
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let all-elmts = ()
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all-elmts += elmts
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let args = args.pos()
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for i in range(0, args.len(), step: 2) {
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let else-desc = args.at(i)
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let else-elmts = args.at(i + 1, default: ())
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all-elmts.push((
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type: "else",
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desc: else-desc
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))
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all-elmts += else-elmts
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}
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return _grp("alt", desc: desc, type: "alt", all-elmts)
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}
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#let _loop(desc, min: none, max: auto, elmts) = {
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let name = "loop"
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if min != none {
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if max == auto {
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max = "*"
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}
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name += "(" + str(min) + "," + str(max) + ")"
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}
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_grp(name, desc: desc, type: "loop", elmts)
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}
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#let _opt(desc, elmts) = grp("opt", desc: desc, type: "opt", elmts)
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#let _break(desc, elmts) = grp("break", desc: desc, type: "break", elmts)
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#let render(x0, x1, y0, y1, group) = {
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let shapes = ()
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let name = text(group.name, weight: "bold")
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let m = measure(box(name))
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let w = m.width / 1pt + 15
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let h = m.height / 1pt + 6
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shapes += draw.rect(
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(x0, y0),
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(x1, y1)
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)
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shapes += draw.merge-path(
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fill: COL-GRP-NAME,
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close: true,
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{
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draw.line(
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(x0, y0),
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(x0 + w, y0),
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(x0 + w, y0 - h / 2),
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(x0 + w - 5, y0 - h),
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(x0, y0 - h)
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)
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}
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)
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shapes += draw.content(
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(x0, y0),
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name,
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anchor: "north-west",
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padding: (left: 5pt, right: 10pt, top: 3pt, bottom: 3pt)
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)
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if group.desc != none {
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shapes += draw.content(
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(x0 + w, y0),
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text([\[#group.desc\]], weight: "bold", size: .8em),
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anchor: "north-west",
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padding: 3pt
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)
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}
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return shapes
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}
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#let render-else(x0, x1, y, elmt) = {
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let shapes = draw.line(
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(x0, y),
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(x1, y),
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stroke: (dash: (2pt, 1pt), thickness: .5pt)
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)
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shapes += draw.content(
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(x0, y),
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text([\[#elmt.desc\]], weight: "bold", size: .8em),
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anchor: "north-west",
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padding: 3pt
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)
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return shapes
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} |