cooklang syntax highlighting - initial add

components.json

@@ -299,6 +299,10 @@
 			"title": "Content-Security-Policy",
 			"owner": "ScottHelme"
 		},
+		"cooklang": {
+			"title": "Cooklang",
+			"owner": "ahue"
+		},
 		"coq": {
 			"title": "Coq",
 			"owner": "RunDevelopment"

components/prism-cooklang.js

@@ -0,0 +1,142 @@
+(function (Prism) {
+
+	var single_token_suffix = /[^{}@#\s]+/.source;
+	var multi_token_infix = /[^{}@#]+/.source;
+	var multi_token_suffix = /\{[^}#@]*\}/.source;
+
+	var multi_token = multi_token_infix + multi_token_suffix;
+
+	var timer_units = /(?:h|hours|hrs|m|min|minutes)/.source;
+
+	var amount_group_impl = {
+		pattern: new RegExp(/\{/.source
+			+ '(?:(?:'
+			+ /(?:[^{}|*%]+\*?)/.source // optional serving scale
+			+ '|'
+			+ /(?:(?:[^{}|*%]+\|)+[^{}|*%]+)/.source // serving alternatives
+			+ ')' + /(?:%[^{}|*%]+)?/.source //optional unit
+			+ ')?'
+			+ /\}/.source
+		),
+		inside: {
+			'amount': {
+				pattern: /([\{|])[^{}|*%]+/,
+				lookbehind: true,
+				alias: 'number',
+			},
+			'unit': {
+				pattern: /(%)[^}]+/,
+				lookbehind: true,
+				alias: 'symbol',
+			},
+			'servings-scaler': {
+				pattern: /\*/,
+				alias: 'operator',
+			},
+			'servings-alternative-seperator': {
+				pattern: /\|/,
+				alias: 'operator',
+			},
+			'unit-separator': {
+				pattern: /(?:%|(\*)%)/,
+				lookbehind: true,
+				alias: 'operator',
+			},
+			'punctuation': /[{}]/,
+		}
+	};
+
+	Prism.languages.cooklang = {
+		'comment': {
+			// [- comment -]
+			// -- comment
+			pattern: /\[-[\s\S]*?-\]|--.*/,
+			greedy: true,
+		},
+		'meta': { // >> key: value
+			pattern: />>.*:.*/,
+			inside: {
+				property: { // key:
+					pattern: /(>>\s*)[^\s:](?:[^:]*[^\s:])?/,
+					lookbehind: true,
+				}
+			}
+		},
+		'cookware-group': { // #...{...}, #...
+			pattern: new RegExp('#(?:'
+				+ multi_token
+				+ '|'
+				+ single_token_suffix
+				+ ')'
+			),
+			inside: {
+				'cookware': {
+					pattern: new RegExp('(#)(?:'
+						+ multi_token_infix
+						+ ')'
+					),
+					lookbehind: true,
+					alias: 'variable',
+				},
+				'cookware-keyword': {
+					pattern: /^#/,
+					alias: 'keyword',
+				},
+				'amount-group': amount_group_impl,
+			},
+		},
+		'ingredient-group': { // @...{...}, @...
+			pattern: new RegExp('@(?:'
+				+ multi_token
+				+ '|'
+				+ single_token_suffix
+				+ ')'),
+			inside: {
+				'ingredient': {
+					pattern: new RegExp('(@)(?:'
+						+ multi_token_infix
+						+ ')'),
+					lookbehind: true,
+					alias: 'variable',
+				},
+				'ingredient-keyword': {
+					pattern: /^@/,
+					alias: 'keyword',
+				},
+				'amount-group': amount_group_impl
+			}
+		},
+		'timer-group': { // ~timer{...}
+			// eslint-disable-next-line regexp/sort-alternatives
+			pattern: new RegExp(/~[^{}]*\{\d+%/.source + timer_units + /\}/.source),
+			inside: {
+				'timer': {
+					pattern: /(~)[^{]+/,
+					lookbehind: true,
+					alias: 'variable',
+				},
+				'duration-group': { // {...}
+					pattern: /\{[^{}]+\}/,
+					inside: {
+						'punctuation': /[{}]/,
+						'unit': {
+							// eslint-disable-next-line regexp/no-dupe-disjunctions
+							pattern: new RegExp(/(%)/.source + timer_units),
+							lookbehind: true,
+							alias: 'symbol',
+						},
+						'operator': /%/,
+						'duration': {
+							pattern: /\d+/,
+							alias: 'number',
+						},
+					}
+				},
+				'timer-keyword': {
+					pattern: /^~/,
+					alias: 'keyword',
+				},
+			}
+		}
+	};
+}(Prism));

examples/prism-cooklang.html

@@ -0,0 +1,41 @@
+<h2>Comments</h2>
+<pre><code>
+-- This is a single line comment
+[- this
+is
+a multi line comment -]
+</code></pre>
+
+<h2>Meta</h2>
+<pre><code>
+>> servings: 3
+>> source: https://cooklang.org/docs/spec
+>> any key: any value
+</code></pre>
+
+<h2>Ingredients</h2>
+<pre><code>
+@salt without amount
+@egg{1}
+@milk{1%l}
+@milk{1|2%l}
+@egg{1|2}
+@egg{1*}
+@milk{2*%l}
+</code></pre>
+
+<h2>Cookware</h2>
+<pre><code>
+#spoon without amount
+#spoon{10%pair}
+#spoon{1|2}
+#spoon{1*%pair}
+#spoon{1|2%pair}
+#spoon{1*}
+</code></pre>
+
+<h2>Timer</h2>
+<pre><code>
+~{25%minutes} without name
+~named timer{1%hours}
+</code></pre>

tests/languages/cooklang/comment_feature.test

@@ -0,0 +1,20 @@
+-- a single line comment
+[- a multi line comment on a single line -]
+[- a multi
+line comment 1 -]
+[- a multi
+line comment 2 
+-]
+[- 
+a multi
+line comment 3 -]
+
+----------------------------------------------------
+
+[
+	["comment", "-- a single line comment"],
+	["comment", "[- a multi line comment on a single line -]"],
+	["comment", "[- a multi\r\nline comment 1 -]"],
+	["comment", "[- a multi\r\nline comment 2 \r\n-]"],
+	["comment", "[- \r\na multi\r\nline comment 3 -]"]
+]

tests/languages/cooklang/cookware_feature.test

@@ -0,0 +1,133 @@
+#spoon
+#spoon and more #spoon
+#spoon is good but more #spoon are better
+#more spoon{}
+#even more spoon{1}
+#spoon{1%set}
+#spoon{2*%kg}
+#spoon{3|1%set}
+#spoon{3*set} must not match amount-group
+#spoon{3|set} 
+#spoon{3%*set} must noch match amount-group
+#spoon{3%*%set} must noch match amount-group
+
+----------------------------------------------------
+
+[
+	["cookware-group", [
+		["cookware-keyword", "#"],
+		["cookware", "spoon"]
+	]],
+
+	["cookware-group", [
+		["cookware-keyword", "#"],
+		["cookware", "spoon"]
+	]],
+	" and more ",
+	["cookware-group", [
+		["cookware-keyword", "#"],
+		["cookware", "spoon"]
+	]],
+
+	["cookware-group", [
+		["cookware-keyword", "#"],
+		["cookware", "spoon"]
+	]],
+	" is good but more ",
+	["cookware-group", [
+		["cookware-keyword", "#"],
+		["cookware", "spoon"]
+	]],
+	" are better\r\n",
+
+	["cookware-group", [
+		["cookware-keyword", "#"],
+		["cookware", "more spoon"],
+		["amount-group", [
+			["punctuation", "{"],
+			["punctuation", "}"]
+		]]
+	]],
+
+	["cookware-group", [
+		["cookware-keyword", "#"],
+		["cookware", "even more spoon"],
+		["amount-group", [
+			["punctuation", "{"],
+			["amount", "1"],
+			["punctuation", "}"]
+		]]
+	]],
+
+	["cookware-group", [
+		["cookware-keyword", "#"],
+		["cookware", "spoon"],
+		["amount-group", [
+			["punctuation", "{"],
+			["amount", "1"],
+			["unit-separator", "%"],
+			["unit", "set"],
+			["punctuation", "}"]
+		]]
+	]],
+
+	["cookware-group", [
+		["cookware-keyword", "#"],
+		["cookware", "spoon"],
+		["amount-group", [
+			["punctuation", "{"],
+			["amount", "2"],
+			["servings-scaler", "*"],
+			["unit-separator", "%"],
+			["unit", "kg"],
+			["punctuation", "}"]
+		]]
+	]],
+
+	["cookware-group", [
+		["cookware-keyword", "#"],
+		["cookware", "spoon"],
+		["amount-group", [
+			["punctuation", "{"],
+			["amount", "3"],
+			["servings-alternative-seperator", "|"],
+			["amount", "1"],
+			["unit-separator", "%"],
+			["unit", "set"],
+			["punctuation", "}"]
+		]]
+	]],
+
+	["cookware-group", [
+		["cookware-keyword", "#"],
+		["cookware", "spoon"],
+		"{3*set}"
+	]],
+	" must not match amount-group\r\n",
+
+	["cookware-group", [
+		["cookware-keyword", "#"],
+		["cookware", "spoon"],
+		["amount-group", [
+			["punctuation", "{"],
+			["amount", "3"],
+			["servings-alternative-seperator", "|"],
+			["amount", "set"],
+			["punctuation", "}"]
+		]]
+	]],
+
+	["cookware-group", [
+		["cookware-keyword", "#"],
+		["cookware", "spoon"],
+		"{3%*set}"
+	]],
+	" must noch match amount-group\r\n",
+
+	["cookware-group", [
+		["cookware-keyword", "#"],
+		["cookware", "spoon"],
+		"{3%*%set}"
+	]],
+	" must noch match amount-group"
+]