1 files changed, 56 insertions, 0 deletions
diff --git a/src/server/template/xml.ts b/src/server/template/xml.ts
new file mode 100644
index 0000000..fa6dbb4
--- /dev/null
+++ b/src/server/template/xml.ts
@@ -0,0 +1,56 @@
+import isDefined from "../utils/isDefined.js"
+import tag, { render, prenderdata, node, element, Attribute as Attr } from "./vdom.js"
+
+type encoding = "UTF-8" | "UTF-16" | "ISO-10646-UCS-2" | "ISO-10646-UCS-4" | "ISO-8859-1" | "ISO-8859-2" | "ISO-8859-3" | "ISO-8859-4" |
+	"ISO-8859-5" | "ISO-8859-6" | "ISO-8859-7" | "ISO-8859-8" | "ISO-8859-9" | "ISO-2022-JP" | "Shift_JIS" | "EUC-JP"
+
+interface xmlDeclaration {
+	version?: "1.0",
+	encoding?: encoding
+	standalone?: boolean
+}
+
+export function doctype(options: xmlDeclaration, content: node): string {
+	const version = `version=${options.version ?? `"1.0"`} `
+	const encoding = isDefined(options.encoding) ? `encoding="${options.encoding}" ` : ""
+	const standalone = isDefined(options.standalone) ? `standalone="${options.standalone ? "yes" : "no"}" ` : ""
+	return `<?xml ${version}${encoding}${standalone}?>${xmlrender(content).content}`
+}
+
+export const xmlrender = render("xml", function (node: element, content: string) {
+	var list = Object.entries(node.attr).map(([prop, val]): string => {
+		if (!isDefined(val)) {
+			return ""
+		}
+		var v: string = Array.isArray(val) ? val.join(" ") : "" + val
+		return `${prop}="${v}"`
+	}).join(" ")
+	if (list) {
+		list = ` ${list} `
+	}
+	const open = `<${node.name}${list}>`
+	const close = `</${node.name}>`
+	if (content || !close) {
+		return `${open}${content || ""}${close}`
+	} else {
+		return `<${node.name}${list}/>`
+	}
+})
+
+export const xmldata = prenderdata("xml")
+
+export interface Attribute extends Attr {
+	xmlns?: URL
+}
+
+export interface Base extends Attribute {
+	["xml:base"]?: string
+}
+
+export interface Lang extends Attribute {
+	["xml:lang"]?: string
+}
+
+export default function t<T extends string = string>(name: T, attr?: Attribute, ...content: node[]) {
+	return tag(name, { ...attr, xmlns: attr?.xmlns?.href }, ...content)
+}