Commit 0b771c906d2661f168ad6cb75ec840633f95fa38

Michael Schmidt 2019-10-16T11:33:14

Added support for etlua (#2050) This adds support for etlua (Embedded Lua templating).

diff --git a/components.js b/components.js
index c6a817c..8bde108 100644
--- a/components.js
+++ b/components.js
@@ -1,2 +1,2 @@
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You can have fine grained control over the appearance of each keyword by providing your own CSS rules.","owner":"vkbansal","noCSS":true},"remove-initial-line-feed":{"title":"Remove initial line feed","description":"Removes the initial line feed in code blocks.","owner":"Golmote","noCSS":true},"inline-color":{"title":"Inline color","description":"Adds a small inline preview for colors in style sheets.","require":"css-extras","owner":"RunDevelopment"},"previewers":{"title":"Previewers","description":"Previewers for angles, colors, gradients, easing and time.","require":"css-extras","owner":"Golmote"},"autoloader":{"title":"Autoloader","description":"Automatically loads the needed languages to highlight the code blocks.","owner":"Golmote","noCSS":true},"keep-markup":{"title":"Keep Markup","description":"Prevents custom markup from being dropped out during highlighting.","owner":"Golmote","after":"normalize-whitespace","noCSS":true},"command-line":{"title":"Command Line","description":"Display a command line with a prompt and, optionally, the output/response from the commands.","owner":"chriswells0"},"unescaped-markup":{"title":"Unescaped Markup","description":"Write markup without having to escape anything."},"normalize-whitespace":{"title":"Normalize Whitespace","description":"Supports multiple operations to normalize whitespace in code blocks.","owner":"zeitgeist87","after":"unescaped-markup","noCSS":true},"data-uri-highlight":{"title":"Data-URI Highlight","description":"Highlights data-URI contents.","owner":"Golmote","noCSS":true},"toolbar":{"title":"Toolbar","description":"Attach a toolbar for plugins to easily register buttons on the top of a code block.","owner":"mAAdhaTTah"},"copy-to-clipboard":{"title":"Copy to Clipboard Button","description":"Add a button that copies the code block to the clipboard when clicked.","owner":"mAAdhaTTah","require":"toolbar","noCSS":true},"download-button":{"title":"Download Button","description":"A button in the toolbar of a code block adding a convenient way to download a code file.","owner":"Golmote","require":"toolbar","noCSS":true},"match-braces":{"title":"Match braces","description":"Highlights matching braces.","owner":"RunDevelopment"},"diff-highlight":{"title":"Diff Highlight","description":"Highlights the code inside diff blocks.","owner":"RunDevelopment","require":"diff"}}};
 if (typeof module !== 'undefined' && module.exports) { module.exports = components; }
\ No newline at end of file
diff --git a/components.json b/components.json
index 94bf770..c56c701 100644
--- a/components.json
+++ b/components.json
@@ -280,6 +280,11 @@
 			"title": "Elm",
 			"owner": "zwilias"
 		},
+		"etlua": {
+			"title": "Embedded Lua templating",
+			"require": ["lua", "markup-templating"],
+			"owner": "RunDevelopment"
+		},
 		"erb": {
 			"title": "ERB",
 			"require": ["ruby", "markup-templating"],
diff --git a/components/prism-etlua.js b/components/prism-etlua.js
new file mode 100644
index 0000000..b8610c8
--- /dev/null
+++ b/components/prism-etlua.js
@@ -0,0 +1,23 @@
+(function (Prism) {
+
+	Prism.languages.etlua = {
+		'delimiter': {
+			pattern: /^<%[-=]?|-?%>$/,
+			alias: 'punctuation'
+		},
+		'language-lua': {
+			pattern: /[\s\S]+/,
+			inside: Prism.languages.lua
+		}
+	};
+
+	Prism.hooks.add('before-tokenize', function (env) {
+		var pattern = /<%[\s\S]+?%>/g;
+		Prism.languages['markup-templating'].buildPlaceholders(env, 'etlua', pattern);
+	});
+
+	Prism.hooks.add('after-tokenize', function (env) {
+		Prism.languages['markup-templating'].tokenizePlaceholders(env, 'etlua');
+	});
+
+}(Prism));
diff --git a/components/prism-etlua.min.js b/components/prism-etlua.min.js
new file mode 100644
index 0000000..635bae5
--- /dev/null
+++ b/components/prism-etlua.min.js
@@ -0,0 +1 @@
+!function(e){e.languages.etlua={delimiter:{pattern:/^<%[-=]?|-?%>$/,alias:"punctuation"},"language-lua":{pattern:/[\s\S]+/,inside:e.languages.lua}},e.hooks.add("before-tokenize",function(a){e.languages["markup-templating"].buildPlaceholders(a,"etlua",/<%[\s\S]+?%>/g)}),e.hooks.add("after-tokenize",function(a){e.languages["markup-templating"].tokenizePlaceholders(a,"etlua")})}(Prism);
\ No newline at end of file
diff --git a/examples/prism-etlua.html b/examples/prism-etlua.html
new file mode 100644
index 0000000..d24707a
--- /dev/null
+++ b/examples/prism-etlua.html
@@ -0,0 +1,12 @@
+<h2>Full example</h2>
+<pre><code>&lt;div class="foo">
+	&lt;% if true then %>
+		Hello &lt;%= name %>,
+		Here are your items:
+		&lt;% for i, item in pairs(items) do %>
+			 * &lt;%= item -%>
+			&lt;% --[[ comment block ]] %>
+		&lt;% end %>
+		&lt;%- "&lt;b>this is not escaped&lt;/b>" %>
+	&lt;% end %>
+&lt;/div></code></pre>
diff --git a/plugins/autoloader/prism-autoloader.js b/plugins/autoloader/prism-autoloader.js
index fd16940..b6e6cb0 100644
--- a/plugins/autoloader/prism-autoloader.js
+++ b/plugins/autoloader/prism-autoloader.js
@@ -26,6 +26,10 @@
 			"javascript",
 			"markup-templating"
 		],
+		"etlua": [
+			"lua",
+			"markup-templating"
+		],
 		"erb": [
 			"ruby",
 			"markup-templating"
diff --git a/plugins/autoloader/prism-autoloader.min.js b/plugins/autoloader/prism-autoloader.min.js
index 7786b8b..1be4646 100644
--- a/plugins/autoloader/prism-autoloader.min.js
+++ b/plugins/autoloader/prism-autoloader.min.js
@@ -1 +1 @@
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\ No newline at end of file
+!function(){if("undefined"!=typeof self&&self.Prism&&self.document&&document.createElement){var l={javascript:"clike",actionscript:"javascript",arduino:"cpp",aspnet:["markup","csharp"],bison:"c",c:"clike",csharp:"clike",cpp:"c",coffeescript:"javascript",crystal:"ruby","css-extras":"css",d:"clike",dart:"clike",django:"markup-templating",ejs:["javascript","markup-templating"],etlua:["lua","markup-templating"],erb:["ruby","markup-templating"],fsharp:"clike","firestore-security-rules":"clike",flow:"javascript",ftl:"markup-templating",glsl:"clike",gml:"clike",go:"clike",groovy:"clike",haml:"ruby",handlebars:"markup-templating",haxe:"clike",java:"clike",javadoc:["markup","java","javadoclike"],jolie:"clike",jsdoc:["javascript","javadoclike"],"js-extras":"javascript","js-templates":"javascript",jsonp:"json",json5:"json",kotlin:"clike",less:"css",lilypond:"scheme",markdown:"markup","markup-templating":"markup",n4js:"javascript",nginx:"clike",objectivec:"c",opencl:"cpp",parser:"markup",php:["clike","markup-templating"],phpdoc:["php","javadoclike"],"php-extras":"php",plsql:"sql",processing:"clike",protobuf:"clike",pug:["markup","javascript"],qore:"clike",jsx:["markup","javascript"],tsx:["jsx","typescript"],reason:"clike",ruby:"clike",sas:"sql",sass:"css",scss:"css",scala:"java","shell-session":"bash",smarty:"markup-templating",solidity:"clike",soy:"markup-templating",sparql:"turtle",swift:"clike",tap:"yaml",textile:"markup",tt2:["clike","markup-templating"],twig:"markup",typescript:"javascript","t4-cs":["t4-templating","csharp"],"t4-vb":["t4-templating","visual-basic"],vala:"clike",vbnet:"basic",velocity:"markup",wiki:"markup",xeora:"markup",xquery:"markup"},c={html:"markup",xml:"markup",svg:"markup",mathml:"markup",js:"javascript",g4:"antlr4",adoc:"asciidoc",shell:"bash",rbnf:"bnf",cs:"csharp",dotnet:"csharp",coffee:"coffeescript",jinja2:"django","dns-zone":"dns-zone-file",dockerfile:"docker",gamemakerlanguage:"gml",hs:"haskell",tex:"latex",context:"latex",ly:"lilypond",emacs:"lisp",elisp:"lisp","emacs-lisp":"lisp",md:"markdown",n4jsd:"n4js",objectpascal:"pascal",px:"pcaxis",py:"python",robot:"robot-framework",rb:"ruby",rq:"sparql",trig:"turtle",ts:"typescript",t4:"t4-cs",vb:"visual-basic",xeoracube:"xeora",yml:"yaml"},n={},e=document.getElementsByTagName("script"),a=e[e.length-1],t="components/",s=/\bplugins\/autoloader\/prism-autoloader\.(?:min\.)js$/i,i=/[\w-]+\.(?:min\.)js$/i;if(a.hasAttribute("data-autoloader-path"))t=a.getAttribute("data-autoloader-path").trim().replace(/\/?$/,"/");else{var r=a.src;s.test(r)?t=r.replace(s,"components/"):i.test(r)&&(t=r.replace(i,"components/"))}var p=Prism.plugins.autoloader={languages_path:t,use_minified:!0,loadLanguages:o};Prism.hooks.add("complete",function(e){e.element&&e.language&&!e.grammar&&"none"!==e.language&&function(e,a){e in c&&(e=c[e]);var t=a.getAttribute("data-dependencies"),s=a.parentElement;!t&&s&&"pre"===s.tagName.toLowerCase()&&(t=s.getAttribute("data-dependencies")),o(t=t?t.split(/\s*,\s*/g):[],function(){m(e,function(){Prism.highlightElement(a)})})}(e.language,e.element)})}function o(e,a,t){"string"==typeof e&&(e=[e]);var s=e.length,i=0,r=!1;function l(){r||++i===s&&a&&a(e)}0!==s?e.forEach(function(e){m(e,l,function(){r||(r=!0,t&&t(e))})}):a&&setTimeout(a,0)}function m(a,t,s){var i=0<=a.indexOf("!");a=a.replace("!",""),a=c[a]||a;var e=function(){var e=n[a];if(e||(e=n[a]={callbacks:[]}),e.callbacks.push({success:t,error:s}),!i&&Prism.languages[a])u(a,"success");else if(!i&&e.error)u(a,"error");else if(i||!e.loading){e.loading=!0,function(e,a,t){var s=document.createElement("script");s.src=e,s.async=!0,s.onload=function(){document.body.removeChild(s),a&&a()},s.onerror=function(){document.body.removeChild(s),t&&t()},document.body.appendChild(s)}(function(e){return p.languages_path+"prism-"+e+(p.use_minified?".min":"")+".js"}(a),function(){e.loading=!1,u(a,"success")},function(){e.loading=!1,e.error=!0,u(a,"error")})}},r=l[a];r&&r.length?o(r,e,s):e()}function u(e,a){if(n[e]){for(var t=n[e].callbacks,s=0,i=t.length;s<i;s++){var r=t[s][a];r&&setTimeout(r,0)}t.length=0}}}();
\ No newline at end of file
diff --git a/plugins/show-language/prism-show-language.js b/plugins/show-language/prism-show-language.js
index c2653c2..41bb33c 100644
--- a/plugins/show-language/prism-show-language.js
+++ b/plugins/show-language/prism-show-language.js
@@ -53,6 +53,7 @@
 		"dockerfile": "Docker",
 		"ebnf": "Extended Backus–Naur form",
 		"ejs": "EJS",
+		"etlua": "Embedded Lua templating",
 		"erb": "ERB",
 		"fsharp": "F#",
 		"firestore-security-rules": "Firestore security rules",
diff --git a/plugins/show-language/prism-show-language.min.js b/plugins/show-language/prism-show-language.min.js
index b7a4587..3b00c7a 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){var r={html:"HTML",xml:"XML",svg:"SVG",mathml:"MathML",css:"CSS",clike:"C-like",js:"JavaScript",abap:"ABAP",abnf:"Augmented Backus–Naur form",antlr4:"ANTLR4",g4:"ANTLR4",apacheconf:"Apache Configuration",apl:"APL",aql:"AQL",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",rbnf:"Routing Backus–Naur form",csharp:"C#",cs:"C#",dotnet:"C#",cpp:"C++",cil:"CIL",coffee:"CoffeeScript",cmake:"CMake",csp:"Content-Security-Policy","css-extras":"CSS Extras",django:"Django/Jinja2",jinja2:"Django/Jinja2","dns-zone-file":"DNS zone file","dns-zone":"DNS zone file",dockerfile:"Docker",ebnf:"Extended Backus–Naur form",ejs:"EJS",erb:"ERB",fsharp:"F#","firestore-security-rules":"Firestore security rules",ftl:"FreeMarker Template Language",gcode:"G-code",gdscript:"GDScript",gedcom:"GEDCOM",glsl:"GLSL",gml:"GameMaker Language",gamemakerlanguage:"GameMaker Language",graphql:"GraphQL",hs:"Haskell",hcl:"HCL",http:"HTTP",hpkp:"HTTP Public-Key-Pins",hsts:"HTTP Strict-Transport-Security",ichigojam:"IchigoJam",inform7:"Inform 7",javadoc:"JavaDoc",javadoclike:"JavaDoc-like",javastacktrace:"Java stack trace",jq:"JQ",jsdoc:"JSDoc","js-extras":"JS Extras","js-templates":"JS Templates",json:"JSON",jsonp:"JSONP",json5:"JSON5",latex:"LaTeX",tex:"TeX",context:"ConTeXt",lilypond:"LilyPond",ly:"LilyPond",emacs:"Lisp",elisp:"Lisp","emacs-lisp":"Lisp",lolcode:"LOLCODE",md:"Markdown","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",pcaxis:"PC-Axis",px:"PC-Axis",php:"PHP",phpdoc:"PHPDoc","php-extras":"PHP Extras",plsql:"PL/SQL",powershell:"PowerShell",properties:".properties",protobuf:"Protocol Buffers",py:"Python",q:"Q (kdb+ database)",jsx:"React JSX",tsx:"React TSX",renpy:"Ren'py",rest:"reST (reStructuredText)","robot-framework":"Robot Framework",robot:"Robot Framework",rb:"Ruby",sas:"SAS",sass:"Sass (Sass)",scss:"Sass (Scss)","shell-session":"Shell session",solidity:"Solidity (Ethereum)",soy:"Soy (Closure Template)",sparql:"SPARQL",rq:"SPARQL","splunk-spl":"Splunk SPL",sql:"SQL",tap:"TAP",toml:"TOML",tt2:"Template Toolkit 2",trig:"TriG",ts:"TypeScript","t4-cs":"T4 Text Templates (C#)",t4:"T4 Text Templates (C#)","t4-vb":"T4 Text Templates (VB)","t4-templating":"T4 templating",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",yml:"YAML"};Prism.plugins.toolbar.registerButton("show-language",function(e){var a=e.element.parentNode;if(a&&/pre/i.test(a.nodeName)){var s,t=a.getAttribute("data-language")||r[e.language]||((s=e.language)?(s.substring(0,1).toUpperCase()+s.substring(1)).replace(/s(?=cript)/,"S"):s);if(t){var o=document.createElement("span");return o.textContent=t,o}}})}else console.warn("Show Languages plugin loaded before Toolbar plugin.")}();
\ No newline at end of file
+!function(){if("undefined"!=typeof self&&self.Prism&&self.document)if(Prism.plugins.toolbar){var r={html:"HTML",xml:"XML",svg:"SVG",mathml:"MathML",css:"CSS",clike:"C-like",js:"JavaScript",abap:"ABAP",abnf:"Augmented Backus–Naur form",antlr4:"ANTLR4",g4:"ANTLR4",apacheconf:"Apache Configuration",apl:"APL",aql:"AQL",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",rbnf:"Routing Backus–Naur form",csharp:"C#",cs:"C#",dotnet:"C#",cpp:"C++",cil:"CIL",coffee:"CoffeeScript",cmake:"CMake",csp:"Content-Security-Policy","css-extras":"CSS Extras",django:"Django/Jinja2",jinja2:"Django/Jinja2","dns-zone-file":"DNS zone file","dns-zone":"DNS zone file",dockerfile:"Docker",ebnf:"Extended Backus–Naur form",ejs:"EJS",etlua:"Embedded Lua templating",erb:"ERB",fsharp:"F#","firestore-security-rules":"Firestore security rules",ftl:"FreeMarker Template Language",gcode:"G-code",gdscript:"GDScript",gedcom:"GEDCOM",glsl:"GLSL",gml:"GameMaker Language",gamemakerlanguage:"GameMaker Language",graphql:"GraphQL",hs:"Haskell",hcl:"HCL",http:"HTTP",hpkp:"HTTP Public-Key-Pins",hsts:"HTTP Strict-Transport-Security",ichigojam:"IchigoJam",inform7:"Inform 7",javadoc:"JavaDoc",javadoclike:"JavaDoc-like",javastacktrace:"Java stack trace",jq:"JQ",jsdoc:"JSDoc","js-extras":"JS Extras","js-templates":"JS Templates",json:"JSON",jsonp:"JSONP",json5:"JSON5",latex:"LaTeX",tex:"TeX",context:"ConTeXt",lilypond:"LilyPond",ly:"LilyPond",emacs:"Lisp",elisp:"Lisp","emacs-lisp":"Lisp",lolcode:"LOLCODE",md:"Markdown","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",pcaxis:"PC-Axis",px:"PC-Axis",php:"PHP",phpdoc:"PHPDoc","php-extras":"PHP Extras",plsql:"PL/SQL",powershell:"PowerShell",properties:".properties",protobuf:"Protocol Buffers",py:"Python",q:"Q (kdb+ database)",jsx:"React JSX",tsx:"React TSX",renpy:"Ren'py",rest:"reST (reStructuredText)","robot-framework":"Robot Framework",robot:"Robot Framework",rb:"Ruby",sas:"SAS",sass:"Sass (Sass)",scss:"Sass (Scss)","shell-session":"Shell session",solidity:"Solidity (Ethereum)",soy:"Soy (Closure Template)",sparql:"SPARQL",rq:"SPARQL","splunk-spl":"Splunk SPL",sql:"SQL",tap:"TAP",toml:"TOML",tt2:"Template Toolkit 2",trig:"TriG",ts:"TypeScript","t4-cs":"T4 Text Templates (C#)",t4:"T4 Text Templates (C#)","t4-vb":"T4 Text Templates (VB)","t4-templating":"T4 templating",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",yml:"YAML"};Prism.plugins.toolbar.registerButton("show-language",function(e){var a=e.element.parentNode;if(a&&/pre/i.test(a.nodeName)){var s,t=a.getAttribute("data-language")||r[e.language]||((s=e.language)?(s.substring(0,1).toUpperCase()+s.substring(1)).replace(/s(?=cript)/,"S"):s);if(t){var o=document.createElement("span");return o.textContent=t,o}}})}else console.warn("Show Languages plugin loaded before Toolbar plugin.")}();
\ No newline at end of file
diff --git a/tests/languages/etlua/delimiter_feature.test b/tests/languages/etlua/delimiter_feature.test
new file mode 100644
index 0000000..c7fcf6b
--- /dev/null
+++ b/tests/languages/etlua/delimiter_feature.test
@@ -0,0 +1,41 @@
+<% lua_code %>
+<%= lua_expression %>
+<%- lua_expression %>
+<%= 'hello' -%>
+
+----------------------------------------------------
+
+[
+	["etlua", [
+		["delimiter", "<%"],
+		["language-lua", [
+			" lua_code "
+		]],
+		["delimiter", "%>"]
+	]],
+	["etlua", [
+		["delimiter", "<%="],
+		["language-lua", [
+			" lua_expression "
+		]],
+		["delimiter", "%>"]
+	]],
+	["etlua", [
+		["delimiter", "<%-"],
+		["language-lua", [
+			" lua_expression "
+		]],
+		["delimiter", "%>"]
+	]],
+	["etlua", [
+		["delimiter", "<%="],
+		["language-lua", [
+			["string", "'hello'"]
+		]],
+		["delimiter", "-%>"]
+	]]
+]
+
+----------------------------------------------------
+
+Checks for different delimiters.