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 +1,83 @@
+(function (Prism) {
+
+	var ingr_cw_prefix = /(?:[@#][^{@#]+)\{/;
+	var ingr_cw_suffix = /\}/;
+	var quant1 = /(?:[^}|*%]*\*?)/;
+	var quant_unit = /(?:[^}|*%]+\*?%[^}]+)/;
+	var quant_servings_unit = /(?:(?:[^*}%|]+\|)+[^*}%|]+(?:%[^*|%}]+)?)/;
+
+	Prism.languages.cooklang = {
+		'comment': [
+			/\[-[\s\S]*?-\]/, // -- comment
+			/-{2}[^\r\n]*/,    // [- comment -]
+		],
+		'meta': { // >> key: value
+			'pattern': />{2}.*:.*/,
+			'inside': {
+				'property': { // key:
+					'pattern': /(>{2}\s*)[^:]+/,
+					'lookbehind': true,
+				}
+			}
+		},
+		'quant': { // @some ingredient{...} #some cookware{...}
+			'pattern': new RegExp(
+				ingr_cw_prefix.source
+				+ '(?:'
+				+ quant1.source + '|'
+				+ quant_unit.source + '|'
+				+ quant_servings_unit.source
+				+ ')'
+				+ ingr_cw_suffix.source
+			),
+			'inside': {
+				'variable': { // some ingredient, some cookware
+					pattern: /([@#])[^{@#]+/,
+					lookbehind: true
+				},
+				'amount-group': {
+					'pattern': /\{[^{}]*\}/, // {...}
+					'inside': {
+						'punctuation': /[{}]/,
+						'symbol': {  // unit
+							'pattern': /(%)[^}]+/,
+							'lookbehind': true
+						},
+						'operator': /\*%|\*|%|\|/, // already includes not yet officially implemented servings operators
+						'number': /[^{}*%]+/, // amount
+					}
+				},
+				'keyword': /[@#]/,
+			}
+		},
+		'no-quant': { // ingredient, cookware
+			'pattern': /[@#][^{@#\s]+/,
+			'inside': {
+				'keyword': /[@#]/,
+				'variable': /[^{@#]+/
+			}
+		},
+		'timer-group': { // ~timer{...}
+			'pattern': /~[^{}]*\{\d+%(?:hours|minutes)\}/,
+			'inside': {
+				'variable': { // timer name
+					pattern: /(~)[^{]+/,
+					lookbehind: true
+				},
+				'duration-group': { // {...}
+					'pattern': /\{[^{}]+\}/,
+					'inside': {
+						'punctuation': /[{}]/,
+						'symbol': { // unit
+							'pattern': /(%)(?:minutes|min|m|hours|hrs|h)/,
+							'lookbehind': true
+						},
+						'operator': /%/,
+						'number': /\d+/, // amount
+					}
+				},
+				'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 +1,129 @@
+#spoon
+#spoon and more @spoon
+#more spoon{}
+#even more spoon{1}
+#spoon{1%set}
+#spoon{2*%kg}
+#spoon{3|1%set}
+#spoon{3*set} must not match
+#spoon{3|set} 
+#spoon{3%*set}
+#spoon{3%*%set}
+
+----------------------------------------------------
+
+[
+	["no-quant", [
+		["keyword", "#"],
+		["variable", "spoon"]
+	]],
+
+	["no-quant", [
+		["keyword", "#"],
+		["variable", "spoon"]
+	]],
+	" and more ",
+	["no-quant", [
+		["keyword", "@"],
+		["variable", "spoon"]
+	]],
+
+	["quant", [
+		["keyword", "#"],
+		["variable", "more spoon"],
+		["amount-group", [
+			["punctuation", "{"],
+			["punctuation", "}"]
+		]]
+	]],
+
+	["quant", [
+		["keyword", "#"],
+		["variable", "even more spoon"],
+		["amount-group", [
+			["punctuation", "{"],
+			["number", "1"],
+			["punctuation", "}"]
+		]]
+	]],
+
+	["quant", [
+		["keyword", "#"],
+		["variable", "spoon"],
+		["amount-group", [
+			["punctuation", "{"],
+			["number", "1"],
+			["operator", "%"],
+			["symbol", "set"],
+			["punctuation", "}"]
+		]]
+	]],
+
+	["quant", [
+		["keyword", "#"],
+		["variable", "spoon"],
+		["amount-group", [
+			["punctuation", "{"],
+			["number", "2"],
+			["operator", "*%"],
+			["symbol", "kg"],
+			["punctuation", "}"]
+		]]
+	]],
+
+	["quant", [
+		["keyword", "#"],
+		["variable", "spoon"],
+		["amount-group", [
+			["punctuation", "{"],
+			["number", "3"],
+			["operator", "|"],
+			["number", "1"],
+			["operator", "%"],
+			["symbol", "set"],
+			["punctuation", "}"]
+		]]
+	]],
+
+	["no-quant", [
+		["keyword", "#"],
+		["variable", "spoon"]
+	]],
+	"{3*set} must not match\r\n",
+
+	["quant", [
+		["keyword", "#"],
+		["variable", "spoon"],
+		["amount-group", [
+			["punctuation", "{"],
+			["number", "3"],
+			["operator", "|"],
+			["number", "set"],
+			["punctuation", "}"]
+		]]
+	]],
+
+	["quant", [
+		["keyword", "#"],
+		["variable", "spoon"],
+		["amount-group", [
+			["punctuation", "{"],
+			["number", "3"],
+			["operator", "%"],
+			["symbol", "*set"],
+			["punctuation", "}"]
+		]]
+	]],
+
+	["quant", [
+		["keyword", "#"],
+		["variable", "spoon"],
+		["amount-group", [
+			["punctuation", "{"],
+			["number", "3"],
+			["operator", "%"],
+			["symbol", "*%set"],
+			["punctuation", "}"]
+		]]
+	]]
+]