Add support for ARFF (Fix #653) (#1327)
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diff --git a/components.js b/components.js
index 20ec389..6da3a95 100644
--- a/components.js
+++ b/components.js
@@ -95,6 +95,10 @@ var components = {
"require": "cpp",
"owner": "eisbehr-"
},
+ "arff": {
+ "title": "ARFF",
+ "owner": "Golmote"
+ },
"asciidoc": {
"title": "AsciiDoc",
"owner": "Golmote"
diff --git a/components/prism-arff.js b/components/prism-arff.js
new file mode 100644
index 0000000..c13c22d
--- /dev/null
+++ b/components/prism-arff.js
@@ -0,0 +1,10 @@
+Prism.languages.arff = {
+ 'comment': /%.*/,
+ 'string': {
+ pattern: /(["'])(?:\\.|(?!\1)[^\\\r\n])*\1/,
+ greedy: true
+ },
+ 'keyword': /@(?:attribute|data|end|relation)\b/i,
+ 'number': /\b\d+(?:\.\d+)?\b/,
+ 'punctuation': /[{},]/
+};
\ No newline at end of file
diff --git a/components/prism-arff.min.js b/components/prism-arff.min.js
new file mode 100644
index 0000000..533e8d1
--- /dev/null
+++ b/components/prism-arff.min.js
@@ -0,0 +1 @@
+Prism.languages.arff={comment:/%.*/,string:{pattern:/(["'])(?:\\.|(?!\1)[^\\\r\n])*\1/,greedy:!0},keyword:/@(?:attribute|data|end|relation)\b/i,number:/\b\d+(?:\.\d+)?\b/,punctuation:/[{},]/};
\ No newline at end of file
diff --git a/examples/prism-arff.html b/examples/prism-arff.html
new file mode 100644
index 0000000..1cc2eb2
--- /dev/null
+++ b/examples/prism-arff.html
@@ -0,0 +1,49 @@
+<h1>ARFF</h1>
+<p>To use this language, use the class "language-arff".</p>
+
+<h2>Comments</h2>
+<pre><code>%
+% Some comments
+%
+%</code></pre>
+
+<h2>Keywords</h2>
+<pre><code>@attribute
+@data
+@relation</code></pre>
+
+<h2>Numbers</h2>
+<pre><code>42
+0.14</code></pre>
+
+<h2>Strings</h2>
+<pre><code>'Single \'quoted\' string'
+"Double \"quoted\" string"</code></pre>
+
+<h2>Full example</h2>
+<pre><code>% 1. Title: Iris Plants Database
+%
+% 2. Sources:
+% (a) Creator: R.A. Fisher
+% (b) Donor: Michael Marshall (MARSHALL%PLU@io.arc.nasa.gov)
+% (c) Date: July, 1988
+%
+@RELATION iris
+
+@ATTRIBUTE sepallength NUMERIC
+@ATTRIBUTE sepalwidth NUMERIC
+@ATTRIBUTE petallength NUMERIC
+@ATTRIBUTE petalwidth NUMERIC
+@ATTRIBUTE class {Iris-setosa,Iris-versicolor,Iris-virginica}
+
+@DATA
+5.1,3.5,1.4,0.2,Iris-setosa
+4.9,3.0,1.4,0.2,Iris-setosa
+4.7,3.2,1.3,0.2,Iris-setosa
+4.6,3.1,1.5,0.2,Iris-setosa
+5.0,3.6,1.4,0.2,Iris-setosa
+5.4,3.9,1.7,0.4,Iris-setosa
+4.6,3.4,1.4,0.3,Iris-setosa
+5.0,3.4,1.5,0.2,Iris-setosa
+4.4,2.9,1.4,0.2,Iris-setosa
+4.9,3.1,1.5,0.1,Iris-setosa</code></pre>
diff --git a/plugins/show-language/prism-show-language.js b/plugins/show-language/prism-show-language.js
index d2e6d1c..19e8e0f 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","javascript":"JavaScript","abap":"ABAP","actionscript":"ActionScript","apacheconf":"Apache Configuration","apl":"APL","applescript":"AppleScript","asciidoc":"AsciiDoc","asm6502":"6502 Assembly","aspnet":"ASP.NET (C#)","autohotkey":"AutoHotkey","autoit":"AutoIt","basic":"BASIC","csharp":"C#","cpp":"C++","coffeescript":"CoffeeScript","csp":"Content-Security-Policy","css-extras":"CSS Extras","django":"Django/Jinja2","fsharp":"F#","glsl":"GLSL","graphql":"GraphQL","http":"HTTP","hpkp":"HTTP Public-Key-Pins","hsts":"HTTP Strict-Transport-Security","ichigojam":"IchigoJam","inform7":"Inform 7","json":"JSON","latex":"LaTeX","livescript":"LiveScript","lolcode":"LOLCODE","matlab":"MATLAB","mel":"MEL","n4js":"N4JS","nasm":"NASM","nginx":"nginx","nsis":"NSIS","objectivec":"Objective-C","ocaml":"OCaml","opencl":"OpenCL","parigp":"PARI/GP","php":"PHP","php-extras":"PHP Extras","powershell":"PowerShell","properties":".properties","protobuf":"Protocol Buffers","jsx":"React JSX","tsx":"React TSX","renpy":"Ren'py","rest":"reST (reStructuredText)","sas":"SAS","sass":"Sass (Sass)","scss":"Sass (Scss)","sql":"SQL","typescript":"TypeScript","vbnet":"VB.Net","vhdl":"VHDL","vim":"vim","wiki":"Wiki markup","xojo":"Xojo (REALbasic)","yaml":"YAML"}/*]*/;
+var Languages = /*languages_placeholder[*/{"html":"HTML","xml":"XML","svg":"SVG","mathml":"MathML","css":"CSS","clike":"C-like","javascript":"JavaScript","abap":"ABAP","actionscript":"ActionScript","apacheconf":"Apache Configuration","apl":"APL","applescript":"AppleScript","arff":"ARFF","asciidoc":"AsciiDoc","asm6502":"6502 Assembly","aspnet":"ASP.NET (C#)","autohotkey":"AutoHotkey","autoit":"AutoIt","basic":"BASIC","csharp":"C#","cpp":"C++","coffeescript":"CoffeeScript","csp":"Content-Security-Policy","css-extras":"CSS Extras","django":"Django/Jinja2","fsharp":"F#","glsl":"GLSL","graphql":"GraphQL","http":"HTTP","hpkp":"HTTP Public-Key-Pins","hsts":"HTTP Strict-Transport-Security","ichigojam":"IchigoJam","inform7":"Inform 7","json":"JSON","latex":"LaTeX","livescript":"LiveScript","lolcode":"LOLCODE","matlab":"MATLAB","mel":"MEL","n4js":"N4JS","nasm":"NASM","nginx":"nginx","nsis":"NSIS","objectivec":"Objective-C","ocaml":"OCaml","opencl":"OpenCL","parigp":"PARI/GP","php":"PHP","php-extras":"PHP Extras","powershell":"PowerShell","properties":".properties","protobuf":"Protocol Buffers","jsx":"React JSX","tsx":"React TSX","renpy":"Ren'py","rest":"reST (reStructuredText)","sas":"SAS","sass":"Sass (Sass)","scss":"Sass (Scss)","sql":"SQL","typescript":"TypeScript","vbnet":"VB.Net","vhdl":"VHDL","vim":"vim","wiki":"Wiki markup","xojo":"Xojo (REALbasic)","yaml":"YAML"}/*]*/;
Prism.plugins.toolbar.registerButton('show-language', function(env) {
var pre = env.element.parentNode;
if (!pre || !/pre/i.test(pre.nodeName)) {
diff --git a/plugins/show-language/prism-show-language.min.js b/plugins/show-language/prism-show-language.min.js
index b281663..214b1c7 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",javascript:"JavaScript",abap:"ABAP",actionscript:"ActionScript",apacheconf:"Apache Configuration",apl:"APL",applescript:"AppleScript",asciidoc:"AsciiDoc",asm6502:"6502 Assembly",aspnet:"ASP.NET (C#)",autohotkey:"AutoHotkey",autoit:"AutoIt",basic:"BASIC",csharp:"C#",cpp:"C++",coffeescript:"CoffeeScript",csp:"Content-Security-Policy","css-extras":"CSS Extras",django:"Django/Jinja2",fsharp:"F#",glsl:"GLSL",graphql:"GraphQL",http:"HTTP",hpkp:"HTTP Public-Key-Pins",hsts:"HTTP Strict-Transport-Security",ichigojam:"IchigoJam",inform7:"Inform 7",json:"JSON",latex:"LaTeX",livescript:"LiveScript",lolcode:"LOLCODE",matlab:"MATLAB",mel:"MEL",n4js:"N4JS",nasm:"NASM",nginx:"nginx",nsis:"NSIS",objectivec:"Objective-C",ocaml:"OCaml",opencl:"OpenCL",parigp:"PARI/GP",php:"PHP","php-extras":"PHP Extras",powershell:"PowerShell",properties:".properties",protobuf:"Protocol Buffers",jsx:"React JSX",tsx:"React TSX",renpy:"Ren'py",rest:"reST (reStructuredText)",sas:"SAS",sass:"Sass (Sass)",scss:"Sass (Scss)",sql:"SQL",typescript:"TypeScript",vbnet:"VB.Net",vhdl:"VHDL",vim:"vim",wiki:"Wiki markup",xojo:"Xojo (REALbasic)",yaml:"YAML"};Prism.plugins.toolbar.registerButton("show-language",function(t){var a=t.element.parentNode;if(a&&/pre/i.test(a.nodeName)){var s=a.getAttribute("data-language")||e[t.language]||t.language.substring(0,1).toUpperCase()+t.language.substring(1),i=document.createElement("span");return i.textContent=s,i}})}}();
\ 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 e={html:"HTML",xml:"XML",svg:"SVG",mathml:"MathML",css:"CSS",clike:"C-like",javascript:"JavaScript",abap:"ABAP",actionscript:"ActionScript",apacheconf:"Apache Configuration",apl:"APL",applescript:"AppleScript",arff:"ARFF",asciidoc:"AsciiDoc",asm6502:"6502 Assembly",aspnet:"ASP.NET (C#)",autohotkey:"AutoHotkey",autoit:"AutoIt",basic:"BASIC",csharp:"C#",cpp:"C++",coffeescript:"CoffeeScript",csp:"Content-Security-Policy","css-extras":"CSS Extras",django:"Django/Jinja2",fsharp:"F#",glsl:"GLSL",graphql:"GraphQL",http:"HTTP",hpkp:"HTTP Public-Key-Pins",hsts:"HTTP Strict-Transport-Security",ichigojam:"IchigoJam",inform7:"Inform 7",json:"JSON",latex:"LaTeX",livescript:"LiveScript",lolcode:"LOLCODE",matlab:"MATLAB",mel:"MEL",n4js:"N4JS",nasm:"NASM",nginx:"nginx",nsis:"NSIS",objectivec:"Objective-C",ocaml:"OCaml",opencl:"OpenCL",parigp:"PARI/GP",php:"PHP","php-extras":"PHP Extras",powershell:"PowerShell",properties:".properties",protobuf:"Protocol Buffers",jsx:"React JSX",tsx:"React TSX",renpy:"Ren'py",rest:"reST (reStructuredText)",sas:"SAS",sass:"Sass (Sass)",scss:"Sass (Scss)",sql:"SQL",typescript:"TypeScript",vbnet:"VB.Net",vhdl:"VHDL",vim:"vim",wiki:"Wiki markup",xojo:"Xojo (REALbasic)",yaml:"YAML"};Prism.plugins.toolbar.registerButton("show-language",function(t){var a=t.element.parentNode;if(a&&/pre/i.test(a.nodeName)){var s=a.getAttribute("data-language")||e[t.language]||t.language.substring(0,1).toUpperCase()+t.language.substring(1),i=document.createElement("span");return i.textContent=s,i}})}}();
\ No newline at end of file
diff --git a/tests/languages/arff/comment_feature.test b/tests/languages/arff/comment_feature.test
new file mode 100644
index 0000000..4d53a8e
--- /dev/null
+++ b/tests/languages/arff/comment_feature.test
@@ -0,0 +1,15 @@
+%
+% Some comment
+% Comment " with ' quotes
+
+----------------------------------------------------
+
+[
+ ["comment", "%"],
+ ["comment", "% Some comment"],
+ ["comment", "% Comment \" with ' quotes"]
+]
+
+----------------------------------------------------
+
+Checks for comments.
\ No newline at end of file
diff --git a/tests/languages/arff/keyword_feature.test b/tests/languages/arff/keyword_feature.test
new file mode 100644
index 0000000..b1c9816
--- /dev/null
+++ b/tests/languages/arff/keyword_feature.test
@@ -0,0 +1,17 @@
+@attribute
+@data
+@end
+@relation
+
+----------------------------------------------------
+
+[
+ ["keyword", "@attribute"],
+ ["keyword", "@data"],
+ ["keyword", "@end"],
+ ["keyword", "@relation"]
+]
+
+----------------------------------------------------
+
+Checks for all keywords.
\ No newline at end of file
diff --git a/tests/languages/arff/number_feature.test b/tests/languages/arff/number_feature.test
new file mode 100644
index 0000000..99969b4
--- /dev/null
+++ b/tests/languages/arff/number_feature.test
@@ -0,0 +1,13 @@
+42
+0.14
+
+----------------------------------------------------
+
+[
+ ["number", "42"],
+ ["number", "0.14"]
+]
+
+----------------------------------------------------
+
+Checks for numbers.
\ No newline at end of file
diff --git a/tests/languages/arff/string_feature.test b/tests/languages/arff/string_feature.test
new file mode 100644
index 0000000..c3178f1
--- /dev/null
+++ b/tests/languages/arff/string_feature.test
@@ -0,0 +1,13 @@
+"double quoted\"' % string"
+'single quoted"\' % string'
+
+----------------------------------------------------
+
+[
+ ["string", "\"double quoted\\\"' % string\""],
+ ["string", "'single quoted\"\\' % string'"]
+]
+
+----------------------------------------------------
+
+Checks for strings.
\ No newline at end of file