Initial commit

.template/lib/domain/attachments.typ

@@ -0,0 +1,77 @@
+// ==========================================
+// DOMAIN: ПРИЛОЖЕНИЯ
+// ==========================================
+#import "document.typ": fail
+
+#let attachment(
+  id,
+  title,
+  body,
+  subtitle: none,
+  number: auto,
+  outlined: true,
+) = {
+  if type(id) != str or id.trim() == "" {
+    fail("attachment.id", "нужна непустая строка")
+  }
+  if type(title) not in (str, content) {
+    fail("attachment.title", "ожидались str или content")
+  }
+  if type(body) not in (content, function) {
+    fail("attachment.body", "ожидались content или function")
+  }
+  if subtitle != none and type(subtitle) not in (str, content) {
+    fail("attachment.subtitle", "ожидались none, str или content")
+  }
+  (
+    kind: "attachment",
+    id: id,
+    title: title,
+    subtitle: subtitle,
+    body: body,
+    number: number,
+    outlined: outlined,
+  )
+}
+
+#let attachment-set(items: (), numbering: "arabic", start: 1) = {
+  if type(items) != array {
+    fail("attachments.items", "ожидался array")
+  }
+  if numbering not in ("arabic", "cyrillic", "none") {
+    fail("attachments.numbering", "допустимы arabic, cyrillic, none")
+  }
+  if type(start) != int or start < 1 {
+    fail("attachments.start", "нужно положительное целое число")
+  }
+  let seen = ()
+  for item in items {
+    if type(item) != dictionary or item.at("kind", default: none) != "attachment" {
+      fail("attachments.items", "каждый элемент должен быть attachment")
+    }
+    if item.id in seen {
+      fail("attachments.items", "повторяющийся id " + repr(item.id))
+    }
+    seen.push(item.id)
+  }
+  (
+    kind: "attachment-set",
+    items: items,
+    numbering: numbering,
+    start: start,
+  )
+}
+
+#let validate-attachment-set(value) = {
+  if type(value) == array {
+    attachment-set(items: value)
+  } else if type(value) != dictionary or value.at("kind", default: none) != "attachment-set" {
+    fail("attachments", "ожидались array или attachment-set")
+  } else {
+    attachment-set(
+      items: value.at("items", default: ()),
+      numbering: value.at("numbering", default: "arabic"),
+      start: value.at("start", default: 1),
+    )
+  }
+}