A library for detecting the programming language of a code snippet. 

ts95

lang-detector

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 *	Permission is hereby granted, free of charge, to any person obtaining a copy

 *	of this software and associated documentation files (the "Software"), to deal

 *	in the Software without restriction, including without limitation the rights

 *	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 *	copies of the Software, and to permit persons to whom the Software is

 *	furnished to do so, subject to the following conditions:

 *	The above copyright notice and this permission notice shall be included in

 *	all copies or substantial portions of the Software.

 *	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 *	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 *	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

 *	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 *	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 *	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * A checker is an object with the following form:

 * or if the pattern only matches code near the top of a given file:

 *  { pattern: /something/, points: 2, nearTop: true }

 * N.B. An array of checkers shouldn't contain more regexes than

 * necessary as it would inhibit performance.

 *  2 = Bonus points:   Almost unique to a given language.

 *  1 = Regular point:  Not unique to a given language.

 * -1 = Penalty point:  Does not match a given language.

 * -50 = Bonus penalty points: Only used when two languages are mixed together,

 *  and one has a higher precedence over the other one.

		{ pattern: /console\.log( )*\(/, points: 2 },

		{ pattern: /(var|const|let)( )+\w+( )*=?/, points: 2 },

		{ pattern: /(('|").+('|")( )*|\w+):( )*[{\[]/, points: 2 },

		{ pattern: /function(( )+[\$\w]+( )*$.*$|( )*$.*$)/g, points: 1 },

		{ pattern: /function\*?(( )+[\$\w]+( )*$.*$|( )*$.*$)/g, points: 1 },

		{ pattern: /$.*$( )*=>( )*.+/, points: 1 },

		{ pattern: /(else )?if( )+$.+$/, points: 1 },

		{ pattern: /while( )+$.+$/, points: 1 },

		{ pattern: /(^|\s)(char|long|int|float|double)( )+\w+( )*=?/, points: -1 },

		{ pattern: /(\w+)( )*\*( )*\w+/, points: -1 },

		{ pattern: /<(\/)?script( type=('|")text\/javascript('|"))?>/, points: -50 },

		{ pattern: /(char|long|int|float|double)( )+\w+( )*=?/, points: 2 },

		{ pattern: /malloc$.+$/, points: 2 },

		{ pattern: /#include (<|")\w+\.h(>|")/, points: 2, nearTop: true },

		{ pattern: /(\w+)( )*\*( )*\w+/, points: 2 },

		// Variable declaration and/or initialisation.

		{ pattern: /(\w+)( )+\w+(;|( )*=)/, points: 1 },

		{ pattern: /(\w+)( )+\w+\[.+\]/, points: 1 },

		{ pattern: /#define( )+.+/, points: 1 },

		{ pattern: /(else )?if( )*$.+$/, points: 1 },

		{ pattern: /(printf|puts)( )*$.+$/, points: 1 },

		{ pattern: /var( )+\w+( )*=?/, points: -1 },

		{ pattern: /#include( )*(<|")\w+(\.h)?(>|")/, points: 2, nearTop: true },

		{ pattern: /using( )+namespace( )+.+( )*;/, points: 2, nearTop: true },

		{ pattern: /using( )+namespace( )+.+( )*;/, points: 2 },

		{ pattern: /template( )*<.*>/, points: 2 },

		{ pattern: /(cout|cin|endl)/g, points: 2 },

		{ pattern: /(public|protected|private):/, points: 2 },

		{ pattern: /new \w+($.*$)?/, points: 1 },

		{ pattern: /class( )+\w+/, points: 1 },

		{ pattern: /(List<\w+>|ArrayList<\w*>( )*$.*$)(( )+[\w]+|;)/, points: -1 },

		{ pattern: /def( )+\w+$.*$( )*:/, points: 2 },

		{ pattern: /from [\w\.]+ import (\w+|\*)/, points: 2 },

		{ pattern: /class( )*\w+($( )*\w+( )*$)?( )*:/, points: 2 },

		{ pattern: /if( )+(.+)( )*:/, points: 2 },

		{ pattern: /elif( )+(.+)( )*:/, points: 2 },

		{ pattern: /for (\w+|$?\w+,( )*\w+$?) in (.+):/, points: 2 },

		{ pattern: /\w+( )*=( )*\w+(?!;)(\n|$)/, points: 1 },

		{ pattern: /import ([[^\.]\w])+/, points: 1, nearTop: true },

		{ pattern: /print((( )*$.+$)|( )+.+)/, points: 1 },

		{ pattern: /(&{2}|\|{2})/, points: -1 },

		{ pattern: /System\.(in|out)\.\w+/, points: 2 },

		{ pattern: /(private|protected|public)( )*\w+( )*\w+(( )*=( )*[\w])?/, points: 2 },

		{ pattern: /(private|protected|public)( )*\w+( )*[\w]+$.+$/, points: 2 },

		{ pattern: /(^|\s)(String)( )+[\w]+( )*=?/, points: 2 },

		{ pattern: /(List<\w+>|ArrayList<\w*>( )*$.*$)(( )+[\w]+|;)/, points: 2 },

		{ pattern: /(public( )*)?class( )*\w+/, points: 2 },

		{ pattern: /(\w+)(\[( )*\])+( )+\w+/, points: 2 },

		{ pattern: /final( )*\w+/, points: 2 },

		{ pattern: /\w+\.(get|set)$.+$/, points: 2 },

		{ pattern: /new [A-Z]\w*( )*$.+$/, points: 2 },

		{ pattern: /(^|\s)(char|long|int|float|double)( )+[\w]+( )*=?/, points: 1 },

		{ pattern: /(extends|implements)/, points: 2, nearTop: true },

		{ pattern: /const( )*\w+/, points: -1 },

		{ pattern: /#include( )*(<|")\w+(\.h)?(>|")/, points: -1, nearTop: true },

		{ pattern: /[a-z\-]+=("|').+("|')/g, points: 2 },

		// PHP tag (This is a rare case where a lot of penalty points are needed.)

		{ pattern: /[a-z\-]+:(?!:).+;/, points: 2 },

		// <style> tag from HTML (This is a rare case where a lot of penalty points are needed.)

		{ pattern: /<(\/)?style>/, points: -50 },

		{ pattern: /(require|include)( )+'\w+(\.rb)?'/, points: 2, nearTop: true },

		{ pattern: /def( )+\w+( )*($.+$)?( )*\n/, points: 2 },

		{ pattern: /puts( )+("|').+("|')/, points: 2 },

		{ pattern: /class [A-Z]\w*( )*<( )*([A-Z]\w*(::)?)+/, points: 2 },

		{ pattern: /attr_accessor( )+(:\w+(,( )*)?)+/, points: 2 },

		{ pattern: /\w+\.new( )+/, points: 2 },

		{ pattern: /do( )*\|(\w+(,( )*\w+)?)+\|/, points: 2 },

		{ pattern: /for (\w+|$?\w+,( )*\w+$?) in (.+)/, points: 1 },

		{ pattern: /[A-Z]\w*::[A-Z]\w*/, points: 1 },

		{ pattern: /package( )+[a-z]+\n/, points: 2, nearTop: true },

		@@ -55,2 +55,4 @@ /**
		{ pattern: /(var\|const\|let)( )+\w+( )*=?/, points: 2 },
		// Array/Object declaration
		{ pattern: /(('\|").+('\|")( )\|\w+):( )[{\[]/, points: 2 },
		// === operator
		@@ -61,3 +63,3 @@ { pattern: /===/g, points: 1 },
		// Function definition
		{ pattern: /function(( )+[\$\w]+( )\(.\)\|( )\(.\))/g, points: 1 },
		{ pattern: /function\?(( )+[\$\w]+( )\(.\)\|( )\(.*\))/g, points: 1 },
		// null keyword
		@@ -75,2 +77,4 @@ { pattern: /null/g, points: 1 },
		{ pattern: /(\w+)( )\( )*\w+/, points: -1 },
		// HTML <script> tag
		{ pattern: /<(\/)?script( type=('\|")text\/javascript('\|"))?>/, points: -50 },
		],
		@@ -117,3 +121,3 @@
		// using namespace something
		{ pattern: /using( )+namespace( )+.+( )*;/, points: 2, nearTop: true },
		{ pattern: /using( )+namespace( )+.+( )*;/, points: 2 },
		// template declaration
		@@ -227,3 +231,3 @@ { pattern: /template( )<.>/, points: 2 },
		{ pattern: /[a-z\-]+=("\|').+("\|')/g, points: 2 },
		// PHP tag (This is a rare case where a lot of penalty points are needed.)
		// PHP tag
		{ pattern: /<\?php/, points: -50 },
		@@ -235,3 +239,3 @@ ],
		{ pattern: /[a-z\-]+:(?!:).+;/, points: 2 },
		// <style> tag from HTML (This is a rare case where a lot of penalty points are needed.)
		// <style> tag from HTML
		{ pattern: /<(\/)?style>/, points: -50 },
		@@ -404,6 +408,3 @@ ],
		}
		return {
		detected: bestResult.language,
		statistics: statistics,
		};
		return { detected: bestResult.language, statistics: statistics };
		}
		@@ -410,0 +411,0 @@

		{
		"name": "lang-detector",
		"version": "1.0.4",
		"version": "1.0.5",
		"description": "A library for detecting the programming language of a code snippet.",
		@@ -5,0 +5,0 @@ "main": "index.js",

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