Added support for Generic log files (#2796)

components.json

@@ -733,6 +733,10 @@
 			"title": "LLVM IR",
 			"owner": "porglezomp"
 		},
+		"log": {
+			"title": "Log file",
+			"owner": "RunDevelopment"
+		},
 		"lolcode": {
 			"title": "LOLCODE",
 			"owner": "Golmote"

components/prism-log.js

@@ -0,0 +1,108 @@
+// This is a language definition for generic log files.
+// Since there is no one log format, this language definition has to support all formats to some degree.
+//
+// Based on https://github.com/MTDL9/vim-log-highlighting
+
+Prism.languages.log = {
+	'string': {
+		// Single-quoted strings must not be confused with plain text. E.g. Can't isn't Susan's Chris' toy
+		pattern: /"(?:[^"\\\r\n]|\\.)*"|'(?![st] | \w)(?:[^'\\\r\n]|\\.)*'/,
+		greedy: true,
+	},
+
+	'level': [
+		{
+			pattern: /\b(?:ALERT|CRIT|CRITICAL|EMERG|EMERGENCY|ERR|ERROR|FAILURE|FATAL|SEVERE)\b/,
+			alias: ['error', 'important']
+		},
+		{
+			pattern: /\b(?:WARN|WARNING)\b/,
+			alias: ['warning', 'important']
+		},
+		{
+			pattern: /\b(?:DISPLAY|INFO|NOTICE|STATUS)\b/,
+			alias: ['info', 'keyword']
+		},
+		{
+			pattern: /\b(?:DEBUG|FINE)\b/,
+			alias: ['debug', 'keyword']
+		},
+		{
+			pattern: /\b(?:FINER|FINEST|TRACE|VERBOSE)\b/,
+			alias: ['trace', 'comment']
+		}
+	],
+
+	'property': {
+		pattern: /((?:^|[\]|])[ \t]*)[a-z_](?:[\w-]|\b\/\b)*(?:[. ]\(?\w(?:[\w-]|\b\/\b)*\)?)*:(?=\s)/im,
+		lookbehind: true
+	},
+
+	'separator': {
+		pattern: /(^|[^-+])-{3,}|={3,}|\*{3,}|- - /m,
+		lookbehind: true,
+		alias: 'comment'
+	},
+
+	'url': /\b(?:https?|ftp|file):\/\/[^\s|,;'"]*[^\s|,;'">.]/,
+	'email': {
+		pattern: /(^|\s)[-\w+.]+@[a-z][a-z0-9-]*(?:\.[a-z][a-z0-9-]*)+(?=\s)/,
+		lookbehind: true,
+		alias: 'url'
+	},
+
+	'ip-address': {
+		pattern: /\b(?:\d{1,3}(?:\.\d{1,3}){3})\b/i,
+		alias: 'constant'
+	},
+	'mac-address': {
+		pattern: /\b[a-f0-9]{2}(?::[a-f0-9]{2}){5}\b/i,
+		alias: 'constant'
+	},
+	'domain': {
+		pattern: /(^|\s)[a-z][a-z0-9-]*(?:\.[a-z][a-z0-9-]*)*\.[a-z][a-z0-9-]+(?=\s)/,
+		lookbehind: true,
+		alias: 'constant'
+	},
+
+	'uuid': {
+		pattern: /\b\w{8}-\w{4}-\w{4}-\w{4}-\w{12}\b/,
+		alias: 'constant'
+	},
+	'hash': {
+		pattern: /\b(?:[a-f0-9]{32}){1,2}\b/i,
+		alias: 'constant'
+	},
+
+	'file-path': {
+		pattern: /\b[a-z]:[\\/][^\s|,;:(){}\[\]"']+|(^|[\s:\[\](>|])\.{0,2}\/\w[^\s|,;:(){}\[\]"']*/i,
+		lookbehind: true,
+		greedy: true,
+		alias: 'string'
+	},
+
+	'date': {
+		pattern: RegExp(
+			/\b\d{4}[-/]\d{2}[-/]\d{2}T(?=\d{1,2}:)/.source +
+			'|' +
+			/\b\d{1,4}[-/ ](?:\d{1,2}|Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)[-/ ]\d{2,4}T?\b/.source +
+			'|' +
+			/\b(?:(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun)(?:\s{1,2}(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec))?|Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s{1,2}\d{1,2}\b/.source,
+			'i'
+		),
+		alias: 'number'
+	},
+	'time': {
+		pattern: /\b\d{1,2}:\d{1,2}:\d{1,2}(?:[.,:]\d+)?(?:\s?[+-]\d{2,4}|Z)?\b/,
+		alias: 'number'
+	},
+
+	'boolean': /\b(?:true|false|null)\b/i,
+	'number': {
+		pattern: /(^|[^.\w])(?:0x[a-f0-9]+|0o[0-7]+|0b[01]+|v?\d[\da-f]*(?:\.\d+)*(?:e[+-]?\d+)?[a-z]{0,3}\b)\b(?!\.\w)/i,
+		lookbehind: true
+	},
+
+	'operator': /[;:?<=>~/@!$%&+\-|^(){}*#]/,
+	'punctuation': /[\[\].,]/
+};

examples/prism-log.html

@@ -0,0 +1,10 @@
+<h2>Nginx example</h2>
+<pre><code>/47.29.201.179 - - [28/Feb/2019:13:17:10 +0000] "GET /?p=1 HTTP/2.0" 200 5316 "https://domain1.com/?p=1" "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.119 Safari/537.36" "2.75"</code></pre>
+<pre><code>Mar 19 22:10:18 xxxxxx journal: xxxxxxx.mylabserver.com nginx: photos.example.com 127.0.0.1 - - [19/Mar/2018:22:10:18 +0000] "GET / HTTP/1.1" 200 1863 "-" "curl/7.29.0" "-"
+Mar 19 22:10:24 xxxxxxx journal: xxxxxxxx.mylabserver.com nginx: photos.example.com 127.0.0.1 - - [19/Mar/2018:22:10:24 +0000] "GET / HTTP/1.1" 200 53324 "-" "curl/7.29.0" "-"</code></pre>
+<pre><code>TLSv1.2 AES128-SHA 1.1.1.1 "Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0"
+TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 2.2.2.2 "Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1"
+TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 3.3.3.3 "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:58.0) Gecko/20100101 Firefox/58.0"
+TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 4.4.4.4 "Mozilla/5.0 (Android 4.4.2; Tablet; rv:65.0) Gecko/65.0 Firefox/65.0"
+TLSv1 AES128-SHA 5.5.5.5 "Mozilla/5.0 (Android 4.4.2; Tablet; rv:65.0) Gecko/65.0 Firefox/65.0"
+TLSv1.2 ECDHE-RSA-CHACHA20-POLY1305 6.6.6.6 "Mozilla/5.0 (Linux; U; Android 5.0.2; en-US; XT1068 Build/LXB22.46-28) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.10.2.1164 Mobile Safari/537.36"</code></pre>

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

@@ -126,6 +126,7 @@
 		"elisp": "Lisp",
 		"emacs-lisp": "Lisp",
 		"llvm": "LLVM IR",
+		"log": "Log file",
 		"lolcode": "LOLCODE",
 		"md": "Markdown",
 		"markup-templating": "Markup templating",