kmx.io/prism.js

diff --git a/components.js b/components.js
index 6b8a73f..3e9caa9 100644
--- a/components.js
+++ b/components.js
@@ -1,2 +1,2 @@
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 if (typeof module !== 'undefined' && module.exports) { module.exports = components; }
\ No newline at end of file
diff --git a/components.json b/components.json
index 6369408..034b9f7 100644
--- a/components.json
+++ b/components.json
@@ -156,6 +156,14 @@
 			"require": "c",
 			"owner": "Golmote"
 		},
+		"bnf": {
+			"title": "Backus–Naur form",
+			"alias": "rbfn",
+			"aliasTitles": {
+				"rbfn": "Routing Backus–Naur form"
+			},
+			"owner": "RunDevelopment"
+		},
 		"brainfuck": {
 			"title": "Brainfuck",
 			"owner": "Golmote"
diff --git a/components/prism-bnf.js b/components/prism-bnf.js
new file mode 100644
index 0000000..dfbe397
--- /dev/null
+++ b/components/prism-bnf.js
@@ -0,0 +1,21 @@
+Prism.languages.bnf = {
+	'string': {
+		pattern: /"[^\r\n"]*"|'[^\r\n']*'/
+	},
+	'definition': {
+		pattern: /<[^<>\r\n\t]+>(?=\s*::=)/,
+		alias: ['rule', 'keyword'],
+		inside: {
+			'punctuation': /^<|>$/
+		}
+	},
+	'rule': {
+		pattern: /<[^<>\r\n\t]+>/,
+		inside: {
+			'punctuation': /^<|>$/
+		}
+	},
+	'operator': /::=|[|()[\]{}*+?]|\.{3}/
+};
+
+Prism.languages.rbnf = Prism.languages.bnf;
diff --git a/components/prism-bnf.min.js b/components/prism-bnf.min.js
new file mode 100644
index 0000000..324ad09
--- /dev/null
+++ b/components/prism-bnf.min.js
@@ -0,0 +1 @@
+Prism.languages.bnf={string:{pattern:/"[^\r\n"]*"|'[^\r\n']*'/},definition:{pattern:/<[^<>\r\n\t]+>(?=\s*::=)/,alias:["rule","keyword"],inside:{punctuation:/^<|>$/}},rule:{pattern:/<[^<>\r\n\t]+>/,inside:{punctuation:/^<|>$/}},operator:/::=|[|()[\]{}*+?]|\.{3}/},Prism.languages.rbnf=Prism.languages.bnf;
\ No newline at end of file
diff --git a/examples/prism-bnf.html b/examples/prism-bnf.html
new file mode 100644
index 0000000..bf30e1f
--- /dev/null
+++ b/examples/prism-bnf.html
@@ -0,0 +1,27 @@
+<h2>Full example</h2>
+<pre><code>&lt;number&gt;   ::= "+" &lt;unsigned&gt; | "-" &lt;unsigned&gt; | &lt;unsigned&gt;
+&lt;unsigned&gt; ::= "NaN" | "Infinity" | &lt;decimal&gt; | &lt;decimal&gt; &lt;exponent&gt;
+&lt;decimal&gt;  ::= &lt;integer&gt; | "." &lt;non-zero-integer&gt; | &lt;non-zero-integer&gt; "." | &lt;integer&gt; "." &lt;integer&gt;
+
+&lt;exponent&gt;      ::= &lt;exponent-char&gt; &lt;exponent-sign&gt; &lt;integer&gt;
+&lt;exponent-char&gt; ::= "e" | "E"
+&lt;exponent-sign&gt; ::= "+" | "-" | ""
+
+&lt;integer&gt;          ::= "0" | &lt;non-zero-integer&gt;
+&lt;non-zero-integer&gt; ::= &lt;non-zero-digit&gt; | &lt;non-zero-digit&gt; &lt;digits&gt;
+
+&lt;digits&gt;         ::= &lt;digit&gt; | &lt;digit&gt; &lt;digits&gt;
+&lt;digit&gt;          ::= "0" | &lt;non-zero-digit&gt;
+&lt;non-zero-digit&gt; ::= "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"</code></pre>
+
+<h2>Routing Backus–Naur form</h2>
+<pre><code>&lt;number&gt;   ::= [ "+" | "-" ] &lt;unsigned&gt;
+&lt;unsigned&gt; ::= "NaN" | "Infinity" | &lt;decimal&gt; [ &lt;exponent&gt; ]
+&lt;decimal&gt;  ::= &lt;integer&gt; [ "." &lt;integer&gt; ] | "." &lt;non-zero-integer&gt; | &lt;non-zero-integer&gt; "."
+&lt;exponent&gt; ::= ( "e" | "E" ) [ "+" | "-" ] &lt;integer&gt;
+
+&lt;integer&gt;          ::= "0" | &lt;non-zero-integer&gt;
+&lt;non-zero-integer&gt; ::= &lt;non-zero-digit&gt; [ &lt;digit&gt;... ]
+
+&lt;digit&gt;          ::= "0" | &lt;non-zero-digit&gt;
+&lt;non-zero-digit&gt; ::= "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"</code></pre>
diff --git a/plugins/show-language/prism-show-language.js b/plugins/show-language/prism-show-language.js
index 2b8012b..31e0dff 100644
--- a/plugins/show-language/prism-show-language.js
+++ b/plugins/show-language/prism-show-language.js
@@ -11,7 +11,7 @@ if (!Prism.plugins.toolbar) {
 }
 
 // The languages map is built automatically with gulp
-var Languages = /*languages_placeholder[*/{"html":"HTML","xml":"XML","svg":"SVG","mathml":"MathML","css":"CSS","clike":"C-like","js":"JavaScript","abap":"ABAP","abnf":"Augmented Backus–Naur form","apacheconf":"Apache Configuration","apl":"APL","arff":"ARFF","asciidoc":"AsciiDoc","adoc":"AsciiDoc","asm6502":"6502 Assembly","aspnet":"ASP.NET (C#)","autohotkey":"AutoHotkey","autoit":"AutoIt","shell":"Bash","basic":"BASIC","csharp":"C#","dotnet":"C#","cpp":"C++","cil":"CIL","csp":"Content-Security-Policy","css-extras":"CSS Extras","django":"Django/Jinja2","jinja2":"Django/Jinja2","dockerfile":"Docker","erb":"ERB","fsharp":"F#","gcode":"G-code","gedcom":"GEDCOM","glsl":"GLSL","gml":"GameMaker Language","gamemakerlanguage":"GameMaker Language","graphql":"GraphQL","hcl":"HCL","http":"HTTP","hpkp":"HTTP Public-Key-Pins","hsts":"HTTP Strict-Transport-Security","ichigojam":"IchigoJam","inform7":"Inform 7","javastacktrace":"Java stack trace","json":"JSON","jsonp":"JSONP","latex":"LaTeX","emacs":"Lisp","elisp":"Lisp","emacs-lisp":"Lisp","lolcode":"LOLCODE","markup-templating":"Markup templating","matlab":"MATLAB","mel":"MEL","n1ql":"N1QL","n4js":"N4JS","n4jsd":"N4JS","nand2tetris-hdl":"Nand To Tetris HDL","nasm":"NASM","nginx":"nginx","nsis":"NSIS","objectivec":"Objective-C","ocaml":"OCaml","opencl":"OpenCL","parigp":"PARI/GP","objectpascal":"Object Pascal","php":"PHP","php-extras":"PHP Extras","plsql":"PL/SQL","powershell":"PowerShell","properties":".properties","protobuf":"Protocol Buffers","q":"Q (kdb+ database)","jsx":"React JSX","tsx":"React TSX","renpy":"Ren'py","rest":"reST (reStructuredText)","sas":"SAS","sass":"Sass (Sass)","scss":"Sass (Scss)","sql":"SQL","soy":"Soy (Closure Template)","tap":"TAP","toml":"TOML","tt2":"Template Toolkit 2","ts":"TypeScript","vbnet":"VB.Net","vhdl":"VHDL","vim":"vim","visual-basic":"Visual Basic","vb":"Visual Basic","wasm":"WebAssembly","wiki":"Wiki markup","xeoracube":"XeoraCube","xojo":"Xojo (REALbasic)","xquery":"XQuery","yaml":"YAML"}/*]*/;
+var Languages = /*languages_placeholder[*/{"html":"HTML","xml":"XML","svg":"SVG","mathml":"MathML","css":"CSS","clike":"C-like","js":"JavaScript","abap":"ABAP","abnf":"Augmented Backus–Naur form","apacheconf":"Apache Configuration","apl":"APL","arff":"ARFF","asciidoc":"AsciiDoc","adoc":"AsciiDoc","asm6502":"6502 Assembly","aspnet":"ASP.NET (C#)","autohotkey":"AutoHotkey","autoit":"AutoIt","shell":"Bash","basic":"BASIC","bnf":"Backus–Naur form","rbfn":"Routing Backus–Naur form","csharp":"C#","dotnet":"C#","cpp":"C++","cil":"CIL","csp":"Content-Security-Policy","css-extras":"CSS Extras","django":"Django/Jinja2","jinja2":"Django/Jinja2","dockerfile":"Docker","erb":"ERB","fsharp":"F#","gcode":"G-code","gedcom":"GEDCOM","glsl":"GLSL","gml":"GameMaker Language","gamemakerlanguage":"GameMaker Language","graphql":"GraphQL","hcl":"HCL","http":"HTTP","hpkp":"HTTP Public-Key-Pins","hsts":"HTTP Strict-Transport-Security","ichigojam":"IchigoJam","inform7":"Inform 7","javastacktrace":"Java stack trace","json":"JSON","jsonp":"JSONP","latex":"LaTeX","emacs":"Lisp","elisp":"Lisp","emacs-lisp":"Lisp","lolcode":"LOLCODE","markup-templating":"Markup templating","matlab":"MATLAB","mel":"MEL","n1ql":"N1QL","n4js":"N4JS","n4jsd":"N4JS","nand2tetris-hdl":"Nand To Tetris HDL","nasm":"NASM","nginx":"nginx","nsis":"NSIS","objectivec":"Objective-C","ocaml":"OCaml","opencl":"OpenCL","parigp":"PARI/GP","objectpascal":"Object Pascal","php":"PHP","php-extras":"PHP Extras","plsql":"PL/SQL","powershell":"PowerShell","properties":".properties","protobuf":"Protocol Buffers","q":"Q (kdb+ database)","jsx":"React JSX","tsx":"React TSX","renpy":"Ren'py","rest":"reST (reStructuredText)","sas":"SAS","sass":"Sass (Sass)","scss":"Sass (Scss)","sql":"SQL","soy":"Soy (Closure Template)","tap":"TAP","toml":"TOML","tt2":"Template Toolkit 2","ts":"TypeScript","vbnet":"VB.Net","vhdl":"VHDL","vim":"vim","visual-basic":"Visual Basic","vb":"Visual Basic","wasm":"WebAssembly","wiki":"Wiki markup","xeoracube":"XeoraCube","xojo":"Xojo (REALbasic)","xquery":"XQuery","yaml":"YAML"}/*]*/;
 
 Prism.plugins.toolbar.registerButton('show-language', function(env) {
 	var pre = env.element.parentNode;
diff --git a/plugins/show-language/prism-show-language.min.js b/plugins/show-language/prism-show-language.min.js
index a453405..172eb35 100644
--- a/plugins/show-language/prism-show-language.min.js
+++ b/plugins/show-language/prism-show-language.min.js
@@ -1 +1 @@
-!function(){if("undefined"!=typeof self&&self.Prism&&self.document){if(!Prism.plugins.toolbar)return console.warn("Show Languages plugin loaded before Toolbar plugin."),void 0;var e={html:"HTML",xml:"XML",svg:"SVG",mathml:"MathML",css:"CSS",clike:"C-like",js:"JavaScript",abap:"ABAP",abnf:"Augmented Backus–Naur form",apacheconf:"Apache Configuration",apl:"APL",arff:"ARFF",asciidoc:"AsciiDoc",adoc:"AsciiDoc",asm6502:"6502 Assembly",aspnet:"ASP.NET (C#)",autohotkey:"AutoHotkey",autoit:"AutoIt",shell:"Bash",basic:"BASIC",csharp:"C#",dotnet:"C#",cpp:"C++",cil:"CIL",csp:"Content-Security-Policy","css-extras":"CSS Extras",django:"Django/Jinja2",jinja2:"Django/Jinja2",dockerfile:"Docker",erb:"ERB",fsharp:"F#",gcode:"G-code",gedcom:"GEDCOM",glsl:"GLSL",gml:"GameMaker Language",gamemakerlanguage:"GameMaker Language",graphql:"GraphQL",hcl:"HCL",http:"HTTP",hpkp:"HTTP Public-Key-Pins",hsts:"HTTP Strict-Transport-Security",ichigojam:"IchigoJam",inform7:"Inform 7",javastacktrace:"Java stack trace",json:"JSON",jsonp:"JSONP",latex:"LaTeX",emacs:"Lisp",elisp:"Lisp","emacs-lisp":"Lisp",lolcode:"LOLCODE","markup-templating":"Markup templating",matlab:"MATLAB",mel:"MEL",n1ql:"N1QL",n4js:"N4JS",n4jsd:"N4JS","nand2tetris-hdl":"Nand To Tetris HDL",nasm:"NASM",nginx:"nginx",nsis:"NSIS",objectivec:"Objective-C",ocaml:"OCaml",opencl:"OpenCL",parigp:"PARI/GP",objectpascal:"Object Pascal",php:"PHP","php-extras":"PHP Extras",plsql:"PL/SQL",powershell:"PowerShell",properties:".properties",protobuf:"Protocol Buffers",q:"Q (kdb+ database)",jsx:"React JSX",tsx:"React TSX",renpy:"Ren'py",rest:"reST (reStructuredText)",sas:"SAS",sass:"Sass (Sass)",scss:"Sass (Scss)",sql:"SQL",soy:"Soy (Closure Template)",tap:"TAP",toml:"TOML",tt2:"Template Toolkit 2",ts:"TypeScript",vbnet:"VB.Net",vhdl:"VHDL",vim:"vim","visual-basic":"Visual Basic",vb:"Visual Basic",wasm:"WebAssembly",wiki:"Wiki markup",xeoracube:"XeoraCube",xojo:"Xojo (REALbasic)",xquery:"XQuery",yaml:"YAML"};Prism.plugins.toolbar.registerButton("show-language",function(a){function s(e){return e?(e.substring(0,1).toUpperCase()+e.substring(1)).replace(/s(?=cript)/,"S"):e}var t=a.element.parentNode;if(t&&/pre/i.test(t.nodeName)){var o=t.getAttribute("data-language")||e[a.language]||s(a.language);if(o){var r=document.createElement("span");return r.textContent=o,r}}})}}();
\ No newline at end of file
+!function(){if("undefined"!=typeof self&&self.Prism&&self.document){if(!Prism.plugins.toolbar)return console.warn("Show Languages plugin loaded before Toolbar plugin."),void 0;var a={html:"HTML",xml:"XML",svg:"SVG",mathml:"MathML",css:"CSS",clike:"C-like",js:"JavaScript",abap:"ABAP",abnf:"Augmented Backus–Naur form",apacheconf:"Apache Configuration",apl:"APL",arff:"ARFF",asciidoc:"AsciiDoc",adoc:"AsciiDoc",asm6502:"6502 Assembly",aspnet:"ASP.NET (C#)",autohotkey:"AutoHotkey",autoit:"AutoIt",shell:"Bash",basic:"BASIC",bnf:"Backus–Naur form",rbfn:"Routing Backus–Naur form",csharp:"C#",dotnet:"C#",cpp:"C++",cil:"CIL",csp:"Content-Security-Policy","css-extras":"CSS Extras",django:"Django/Jinja2",jinja2:"Django/Jinja2",dockerfile:"Docker",erb:"ERB",fsharp:"F#",gcode:"G-code",gedcom:"GEDCOM",glsl:"GLSL",gml:"GameMaker Language",gamemakerlanguage:"GameMaker Language",graphql:"GraphQL",hcl:"HCL",http:"HTTP",hpkp:"HTTP Public-Key-Pins",hsts:"HTTP Strict-Transport-Security",ichigojam:"IchigoJam",inform7:"Inform 7",javastacktrace:"Java stack trace",json:"JSON",jsonp:"JSONP",latex:"LaTeX",emacs:"Lisp",elisp:"Lisp","emacs-lisp":"Lisp",lolcode:"LOLCODE","markup-templating":"Markup templating",matlab:"MATLAB",mel:"MEL",n1ql:"N1QL",n4js:"N4JS",n4jsd:"N4JS","nand2tetris-hdl":"Nand To Tetris HDL",nasm:"NASM",nginx:"nginx",nsis:"NSIS",objectivec:"Objective-C",ocaml:"OCaml",opencl:"OpenCL",parigp:"PARI/GP",objectpascal:"Object Pascal",php:"PHP","php-extras":"PHP Extras",plsql:"PL/SQL",powershell:"PowerShell",properties:".properties",protobuf:"Protocol Buffers",q:"Q (kdb+ database)",jsx:"React JSX",tsx:"React TSX",renpy:"Ren'py",rest:"reST (reStructuredText)",sas:"SAS",sass:"Sass (Sass)",scss:"Sass (Scss)",sql:"SQL",soy:"Soy (Closure Template)",tap:"TAP",toml:"TOML",tt2:"Template Toolkit 2",ts:"TypeScript",vbnet:"VB.Net",vhdl:"VHDL",vim:"vim","visual-basic":"Visual Basic",vb:"Visual Basic",wasm:"WebAssembly",wiki:"Wiki markup",xeoracube:"XeoraCube",xojo:"Xojo (REALbasic)",xquery:"XQuery",yaml:"YAML"};Prism.plugins.toolbar.registerButton("show-language",function(e){function s(a){return a?(a.substring(0,1).toUpperCase()+a.substring(1)).replace(/s(?=cript)/,"S"):a}var t=e.element.parentNode;if(t&&/pre/i.test(t.nodeName)){var r=t.getAttribute("data-language")||a[e.language]||s(e.language);if(r){var o=document.createElement("span");return o.textContent=r,o}}})}}();
\ No newline at end of file
diff --git a/tests/languages/bnf/definition_feature.test b/tests/languages/bnf/definition_feature.test
new file mode 100644
index 0000000..bf2aead
--- /dev/null
+++ b/tests/languages/bnf/definition_feature.test
@@ -0,0 +1,17 @@
+<foo> ::= "a"
+
+----------------------------------------------------
+
+[
+	["definition", [
+		["punctuation", "<"],
+		"foo",
+		["punctuation", ">"]
+	]],
+	["operator", "::="],
+	["string", "\"a\""]
+]
+
+----------------------------------------------------
+
+Checks for definitions.
diff --git a/tests/languages/bnf/operator_feature.test b/tests/languages/bnf/operator_feature.test
new file mode 100644
index 0000000..92a7bc9
--- /dev/null
+++ b/tests/languages/bnf/operator_feature.test
@@ -0,0 +1,28 @@
+::= |
+() [] {}
+* + ?
+...
+
+----------------------------------------------------
+
+[
+	["operator", "::="],
+	["operator", "|"],
+
+	["operator", "("],
+	["operator", ")"],
+	["operator", "["],
+	["operator", "]"],
+	["operator", "{"],
+	["operator", "}"],
+
+	["operator", "*"],
+	["operator", "+"],
+	["operator", "?"],
+
+	["operator", "..."]
+]
+
+----------------------------------------------------
+
+Checks for operators.
diff --git a/tests/languages/bnf/rule_feature.test b/tests/languages/bnf/rule_feature.test
new file mode 100644
index 0000000..40a0b8e
--- /dev/null
+++ b/tests/languages/bnf/rule_feature.test
@@ -0,0 +1,21 @@
+<foo-bar>
+<öäüß>
+
+----------------------------------------------------
+
+[
+	["rule", [
+		["punctuation", "<"],
+		"foo-bar",
+		["punctuation", ">"]
+	]],
+	["rule", [
+		["punctuation", "<"],
+		"öäüß",
+		["punctuation", ">"]
+	]]
+]
+
+----------------------------------------------------
+
+Checks for rules.
diff --git a/tests/languages/bnf/string_featrue.test b/tests/languages/bnf/string_featrue.test
new file mode 100644
index 0000000..016e753
--- /dev/null
+++ b/tests/languages/bnf/string_featrue.test
@@ -0,0 +1,21 @@
+""
+''
+"'"
+'"'
+"foo"
+'bar|::=()'
+
+----------------------------------------------------
+
+[
+	["string", "\"\""],
+	["string", "''"],
+	["string", "\"'\""],
+	["string", "'\"'"],
+	["string", "\"foo\""],
+	["string", "'bar|::=()'"]
+]
+
+----------------------------------------------------
+
+Checks for strings.