DataWeave: Adding support for DataWeave language

components.json

@@ -290,6 +290,10 @@
 			"require": "clike",
 			"owner": "Golmote"
 		},
+		"dataweave": {
+			"title": "DataWeave",
+			"owner": "machaval"
+		},
 		"dax": {
 			"title": "DAX",
 			"owner": "peterbud"

components/prism-dataweave.js

@@ -0,0 +1,45 @@
+(function (Prism) {    
+    Prism.languages.dataweave = {	
+        'url': {
+            pattern:/\b[A-Za-z]+:\/\/[\w/:.?=&-]+|\burn:[\w:.?=&-]+/
+        },
+        'property': {
+            pattern: /(?:\w+#)?(?:"(?:\\.|[^\\"\r\n])*"|\w+)(?=\s*[:@])/,
+            greedy: true
+        },
+        'string': {
+            pattern: /(["'`])(?:\\[\s\S]|(?!\1)[^\\])*\1/,
+            greedy: true
+        },
+        'mime-type': {
+            pattern: /\b(?:text|audio|video|application|multipart|image)\/[\w+-]+/
+        },       
+        'date': {
+            pattern: /\|[\w\-:+-]+\|/,
+            greedy: true
+        },
+        'comment': [
+            {
+                pattern: /(^|[^\\])\/\*[\s\S]*?(?:\*\/|$)/,
+                lookbehind: true,
+                greedy: true
+            },
+            {
+                pattern: /(^|[^\\:])\/\/.*/,
+                lookbehind: true,
+                greedy: true
+            }
+        ],
+        'regex': {
+            pattern: /\/(?:[^\\\/\r\n]|\\[^\r\n])+\//,
+            greedy: true
+        },
+        'function': /\b[A-Za-z_]\w*(?=\s*\()/i,
+        'number': /-?\b\d+(?:\.\d+)?(?:e[+-]?\d+)?\b/i,
+        'punctuation': /[{}[\];(),.:@]/,        
+        'operator': /<<|>>|->|[<>~=]=?|!=|--?-?|\+\+?|\!|\?/,
+        'boolean': /\b(?:true|false)\b/,
+        'keyword': /\b(?:match|input|output|ns|type|update|null|if|else|using|unless|at|is|as|case|do|fun|var|not|and|or)\b/
+    };
+
+}(Prism));

examples/prism-dataweave.html

@@ -0,0 +1,39 @@
+<h2>Full example</h2>
+<pre><code>
+%dw 2.0
+input payalod application/json
+ns ns0 http://localhost.com
+var a = 123
+type T = String
+fun test(a: Number) = a + 123
+output application/json
+---
+{
+    // This is a comment
+    /**
+    This is a multiline comment
+    **/
+    name: payload.name,
+    string: "this",
+    'another string': true,
+    "regex": /123/,
+    fc: test(1),
+    "dates": |12-12-2020-T12:00:00|,
+    number: 123,
+    "null": null,
+
+    a: {} match {
+        case  is {} -> foo.name
+    },
+    b: {} update {
+    case name at .user.name ->  "123"
+    },
+    stringMultiLine: "This is a multiline
+        string
+    ",
+    a: if( !true > 2) a else 2,
+    b: do {
+            {}
+        }
+}
+</code></pre>

plugins/show-language/prism-show-language.js

@@ -53,6 +53,7 @@
 		"conc": "Concurnas",
 		"csp": "Content-Security-Policy",
 		"css-extras": "CSS Extras",
+		"dataweave": "DataWeave",
 		"dax": "DAX",
 		"django": "Django/Jinja2",
 		"jinja2": "Django/Jinja2",

tests/languages/dataweave/boolean_feature.test

@@ -0,0 +1,12 @@
+true
+false
+
+----------------------------------------------------
+
+[
+	["boolean", "true"],
+	["boolean", "false"]
+]
+
+----------------------------------------------------
+Check for boolean

tests/languages/dataweave/comment_feature.test

@@ -0,0 +1,17 @@
+// Line comment ""	
+	/* Block comment */
+	/**
+	* MultiLine Comment
+	**/
+/* "" */
+
+----------------------------------------------------
+
+[
+	["comment", "// Line comment \"\"\t"],
+	["comment", "/* Block comment */"],
+	["comment", "/**\r\n\t* MultiLine Comment\r\n\t**/"],
+	["comment", "/* \"\" */"]
+]
+----------------------------------------------------
+Check for comments

tests/languages/dataweave/dates_feature.test

@@ -0,0 +1,27 @@
+|12-12-2001-T12:00:00|
+|12-12-2001-T12:00:00+03:00|
+|12-12-2001-T12:00:00Z|
+|12-12-2001|
+|12:00:00|
+|12:00:00Z|
+|12:00:00-03:00|
+|P1D|
+|P1Y1D|
+|P1Y1D2H3M5S|
+
+----------------------------------------------------
+
+[
+	["date", "|12-12-2001-T12:00:00|"],
+	["date", "|12-12-2001-T12:00:00+03:00|"],
+	["date", "|12-12-2001-T12:00:00Z|"],
+	["date", "|12-12-2001|"],
+	["date", "|12:00:00|"],
+	["date", "|12:00:00Z|"],
+	["date", "|12:00:00-03:00|"],
+	["date", "|P1D|"],
+	["date", "|P1Y1D|"],
+	["date", "|P1Y1D2H3M5S|"]
+]
+----------------------------------------------------
+Check for date

tests/languages/dataweave/functions_feature.test

@@ -0,0 +1,28 @@
+myfunction(a, b,123)
+payload.myFunction(1,2,3)
+
+----------------------------------------------------
+
+[
+	["function", "myfunction"],
+	["punctuation", "("],
+	"a",
+	["punctuation", ","],
+	" b",
+	["punctuation", ","],
+	["number", "123"],
+	["punctuation", ")"],
+
+	"\npayload",
+	["punctuation", "."],
+	["function", "myFunction"],
+	["punctuation", "("],
+	["number", "1"],
+	["punctuation", ","],
+	["number", "2"],
+	["punctuation", ","],
+	["number", "3"],
+	["punctuation", ")"]
+]
+----------------------------------------------------
+Check for functions

tests/languages/dataweave/keywords_feature.test

@@ -0,0 +1,124 @@
+%dw 2.0
+input payalod application/json
+ns ns0 http://localhost.com
+var a = 123
+type T = String
+fun test(a: Number) = a + 123
+output application/json
+---
+{} match {
+    case a is String -> x as String
+}
+update {
+    case a at .name ->
+}
+if(true or false and not true) do {
+
+}
+else 
+payload match {
+    case a is String ->  x as String
+}
+
+----------------------------------------------------
+
+[
+	"%dw ",
+	["number", "2.0"],
+
+	["keyword", "input"],
+	" payalod ",
+	["mime-type", "application/json"],
+
+	["keyword", "ns"],
+	" ns0 ",
+	["url", "http://localhost.com"],
+
+	["keyword", "var"],
+	" a ",
+	["operator", "="],
+	["number", "123"],
+
+	["keyword", "type"],
+	" T ",
+	["operator", "="],
+	" String\n",
+
+	["keyword", "fun"],
+	["function", "test"],
+	["punctuation", "("],
+	["property", "a"],
+	["punctuation", ":"],
+	" Number",
+	["punctuation", ")"],
+	["operator", "="],
+	" a ",
+	["operator", "+"],
+	["number", "123"],
+
+	["keyword", "output"],
+	["mime-type", "application/json"],
+
+	["operator", "---"],
+
+	["punctuation", "{"],
+	["punctuation", "}"],
+	["keyword", "match"],
+	["punctuation", "{"],
+
+	["keyword", "case"],
+	" a ",
+	["keyword", "is"],
+	" String ",
+	["operator", "->"],
+	" x ",
+	["keyword", "as"],
+	" String\n",
+
+	["punctuation", "}"],
+
+	["keyword", "update"],
+	["punctuation", "{"],
+
+	["keyword", "case"],
+	" a ",
+	["keyword", "at"],
+	["punctuation", "."],
+	"name ",
+	["operator", "->"],
+
+	["punctuation", "}"],
+
+	["function", "if"],
+	["punctuation", "("],
+	["boolean", "true"],
+	["keyword", "or"],
+	["boolean", "false"],
+	["keyword", "and"],
+	["keyword", "not"],
+	["boolean", "true"],
+	["punctuation", ")"],
+	["keyword", "do"],
+	["punctuation", "{"],
+
+	["punctuation", "}"],
+
+	["keyword", "else"],
+
+	" \npayload ",
+	["keyword", "match"],
+	["punctuation", "{"],
+
+	["keyword", "case"],
+	" a ",
+	["keyword", "is"],
+	" String ",
+	["operator", "->"],
+	"  x ",
+	["keyword", "as"],
+	" String\n",
+
+	["punctuation", "}"]
+]
+----------------------------------------------------
+Check for keywords

tests/languages/dataweave/null_feature.test

@@ -0,0 +1,9 @@
+null
+
+----------------------------------------------------
+
+[
+	["keyword", "null"]
+]
+----------------------------------------------------
+Check for null

tests/languages/dataweave/number_feature.test

@@ -0,0 +1,25 @@
+0
+123
+3.14159
+5.0e8
+0.2E+2
+47e-5
+-1.23
+-2.34E33
+-4.34E-33
+
+----------------------------------------------------
+
+[
+	["number", "0"],
+	["number", "123"],
+	["number", "3.14159"],
+	["number", "5.0e8"],
+	["number", "0.2E+2"],
+	["number", "47e-5"],
+	["number", "-1.23"],
+	["number", "-2.34E33"],
+	["number", "-4.34E-33"]
+]
+----------------------------------------------------
+Check for number