137 lines
3.7 KiB
Typst
137 lines
3.7 KiB
Typst
// MPI Bilingual Chinese-English Template
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// ============================================================
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// A simple Typst template for bilingual Chinese-English Buddhist
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// texts, matching the 静心学堂丛书 formatting guide.
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//
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// Fonts (all available from Google Fonts):
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// - Chinese body: Noto Serif CJK SC
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// - English body: Noto Serif (Times New Roman substitute)
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//
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// Format highlights:
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// - Body size: 10.5pt (Chinese 五号)
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// - Line spacing: 1.5em
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// - Justified body text with 2em first-line indent
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// - Headings unnumbered, with 1.2em block spacing
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// - Footnotes in 8pt, left aligned
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// ============================================================
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#let chinese-font = "Noto Serif CJK SC"
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#let english-font = "Noto Serif"
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// Convert any content to a plain string.
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#let to-string(content) = {
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if type(content) == str {
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content
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} else if content.func() == text {
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content.text
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} else if content.has("children") {
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content.children.map(to-string).join("")
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} else {
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""
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}
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}
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// Return true if the content is primarily Chinese.
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#let is-chinese(content) = {
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let txt = to-string(content)
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let cn-re = regex("[\u{4e00}-\u{9fff}]")
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let en-re = regex("[A-Za-z]")
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for c in txt.clusters() {
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if c.match(cn-re) != none { return true }
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if c.match(en-re) != none { return false }
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}
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false
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}
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// Bilingual table of contents.
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// Only English headings show dotted leaders and page numbers;
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// Chinese headings are shown compactly as section headers.
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#let toc() = context {
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let indent-per-level = 1.5em
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for h in query(heading.where(outlined: true)) {
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let cn = is-chinese(h.body)
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block(
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inset: (left: (h.level - 1) * indent-per-level),
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above: if cn { 0.3em } else { 0.7em },
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below: if cn { 0.7em } else { 1.2em },
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{
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if cn {
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h.body
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} else {
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let page-num = counter(page).at(h.location()).first()
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h.body + box(width: 1fr, repeat[.]) + str(page-num)
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}
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}
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)
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}
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}
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// Document class.
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//
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// title-cn, title-en, subtitle-cn, subtitle-en accept free Typst content.
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// The template centers them and applies only size/weight; the global font
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// stack handles Chinese vs English glyphs.
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#let mpi-bilingual(
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title-cn: none,
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title-en: none,
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subtitle-cn: none,
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subtitle-en: none,
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show-toc: true,
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body,
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) = {
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// Base text: Chinese font first, then English fallback.
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set text(font: (chinese-font, english-font), size: 10.5pt, lang: "zh")
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// A4 page with 2.5cm margins.
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set page(
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paper: "a4",
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margin: (top: 2.5cm, bottom: 2.5cm, left: 2.5cm, right: 2.5cm),
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numbering: "1",
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)
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// Body paragraphs: justified, 1.5 line spacing, 2em first-line indent,
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// with a blank line's worth of space between paragraphs.
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set par(justify: true, leading: 1.5em, spacing: 1.5em, first-line-indent: (amount: 2em, all: true))
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// Headings: no numbering, bold, with generous block spacing.
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set heading(numbering: none)
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show heading: it => block(above: 2em, below: 1.2em, it.body)
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// Footnotes: 8pt, left aligned.
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show footnote: set text(size: 8pt)
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set footnote.entry(indent: 0pt)
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// Title page.
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align(center)[
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#set par(leading: 1.5em, spacing: 0pt)
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#if title-cn != none {
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text(size: 1.4em, weight: "bold")[#title-cn]
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}
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#if subtitle-cn != none {
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linebreak()
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subtitle-cn
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}
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#v(1.5em)
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#if title-en != none {
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text(size: 1.2em, weight: "bold")[#title-en]
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}
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#if subtitle-en != none {
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linebreak()
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subtitle-en
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}
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]
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v(2.5em)
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// Table of contents.
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if show-toc {
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align(center)[#text(size: 1.2em)[目录 / Contents]]
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v(0.8em)
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toc()
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pagebreak()
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}
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// Main body.
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body
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}
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