Add reST language (fix #552)

components.js

@@ -306,6 +306,10 @@ var components = {
 		"sas": {
 			"title": "SAS",
 			"owner": "Golmote"
+		},
+		"rest": {
+			"title": "reST (reStructuredText)",
+			"owner": "Golmote"
 		}
 	},
 	"plugins": {

components/prism-rest.js

@@ -0,0 +1,204 @@
+Prism.languages.rest = {
+	'table': [
+		{
+			pattern: /(\s*)(?:\+[=-]+)+\+(?:\r?\n|\r)(?:\1(?:[+|].+)+[+|](?:\r?\n|\r))+\1(?:\+[=-]+)+\+/,
+			lookbehind: true,
+			inside: {
+				'punctuation': /\||(?:\+[=-]+)+\+/
+			}
+		},
+		{
+			pattern: /(\s*)(?:=+ +)+=+((?:\r?\n|\r)\1.+)+(?:\r?\n|\r)\1(?:=+ +)+=+(?=(?:\r?\n|\r){2}|\s*$)/,
+			lookbehind: true,
+			inside: {
+				'punctuation': /[=-]+/
+			}
+		}
+	],
+
+	// Directive-like patterns
+
+	'substitution-def': {
+		pattern: /(^\s*\.\. )\|(?:[^|\s]|[^|\s][^|]*[^|\s])\| [^:]+::/m,
+		lookbehind: true,
+		inside: {
+			'substitution': {
+				pattern: /^\|(?:[^|\s]|[^|\s][^|]*[^|\s])\|/,
+				alias: 'attr-value',
+				inside: {
+					'punctuation': /^\||\|$/
+				}
+			},
+			'directive': {
+				pattern: /( )[^:]+::/,
+				lookbehind: true,
+				alias: 'function',
+				inside: {
+					'punctuation': /::$/
+				}
+			}
+		}
+	},
+	'link-target': [
+		{
+			pattern: /(^\s*\.\. )\[[^\]]+\]/m,
+			lookbehind: true,
+			alias: 'string',
+			inside: {
+				'punctuation': /^\[|\]$/
+			}
+		},
+		{
+			pattern: /(^\s*\.\. )_(?:`[^`]+`|(?:\\:|[^:])+):/m,
+			lookbehind: true,
+			alias: 'string',
+			inside: {
+				'punctuation': /^_|:$/
+			}
+		}
+	],
+	'directive': {
+		pattern: /(^\s*\.\. )[^:]+::/m,
+		lookbehind: true,
+		alias: 'function',
+		inside: {
+			'punctuation': /::$/
+		}
+	},
+	'comment': {
+		pattern: /(^\s*\.\.\s).*(?:(?:\r?\n|\r).*)*?(?=(?:\r?\n|\r){2}|$)/m,
+		lookbehind: true
+	},
+
+	'title': [
+		// Overlined and underlined
+		{
+			pattern: /^([!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~]{2,})(?:\r?\n|\r).+(?:\r?\n|\r)\1$/m,
+			inside: {
+				'punctuation': /^[!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~]+|[!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~]+$/,
+				'important': /.+/
+			}
+		},
+
+		// Underlined only
+		{
+			pattern: /(^|(?:\r?\n|\r){2}).+(?:\r?\n|\r)[!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~]{2,}(?=\r?\n|\r|$)/,
+			lookbehind: true,
+			inside: {
+				'punctuation': /[!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~]+$/,
+				'important': /.+/
+			}
+		}
+	],
+	'hr': {
+		pattern: /((?:\r?\n|\r){2})[!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~]{4,}(?=(?:\r?\n|\r){2})/,
+		lookbehind: true,
+		alias: 'punctuation'
+	},
+	'list-bullet': {
+		pattern: /(^\s*)(?:[*+\-•‣⁃]|\(?(?:\d+|[a-z]|[ivxdclm]+)\)|(?:\d+|[a-z]|[ivxdclm]+)\.)(?= )/im,
+		lookbehind: true,
+		alias: 'punctuation'
+	},
+	'field': {
+		pattern: /(^\s*):[^:]+:(?= )/m,
+		lookbehind: true,
+		alias: 'attr-name'
+	},
+	'command-line-option': {
+		pattern: /(^\s*)(?:[+-][a-z\d]|(?:\-\-|\/)[a-z\d-]+)(?:[ =](?:[a-z][a-z\d_-]*|<[^<>]+>))?(?:, (?:[+-][a-z\d]|(?:\-\-|\/)[a-z\d-]+)(?:[ =](?:[a-z][a-z\d_-]*|<[^<>]+>))?)*(?=(?:\r?\n|\r)? {2,}[\S])/im,
+		lookbehind: true,
+		alias: 'symbol'
+	},
+	'literal-block': {
+		pattern: /::(?:\r?\n|\r){2}([ \t]+).+(?:(?:\r?\n|\r)\1.+)*/,
+		inside: {
+			'literal-block-punctuation': {
+				pattern: /^::/,
+				alias: 'punctuation'
+			}
+		}
+	},
+	'quoted-literal-block': {
+		pattern: /::(?:\r?\n|\r){2}([!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~]).*(?:(?:\r?\n|\r)\1.*)*/,
+		inside: {
+			'literal-block-punctuation': {
+				pattern: /^(?:::|[!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~])/m,
+				alias: 'punctuation'
+			}
+		}
+	},
+	'doctest-block': {
+		pattern: /(^\s*)>>> .+(?:(?:\r?\n|\r).+)*/m,
+		lookbehind: true,
+		inside: {
+			'punctuation': /^>>>/
+		}
+	},
+
+	'inline': [
+		{
+			pattern: /(^|[\s\-:\/'"<(\[{])(?::[^:]+:`.*?`|`.*?`:[^:]+:|(\*\*?|``?|\|)(?!\s).*?[^\s]\2(?=[\s\-.,:;!?\\\/'")\]}]|$))/m,
+			lookbehind: true,
+			inside: {
+				'bold': {
+					pattern: /(^\*\*).+(?=\*\*$)/,
+					lookbehind: true
+				},
+				'italic': {
+					pattern: /(^\*).+(?=\*$)/,
+					lookbehind: true
+				},
+				'inline-literal': {
+					pattern: /(^``).+(?=``$)/,
+					lookbehind: true,
+					alias: 'symbol'
+				},
+				'role': {
+					pattern: /^:[^:]+:|:[^:]+:$/,
+					alias: 'function',
+					inside: {
+						'punctuation': /^:|:$/
+					}
+				},
+				'interpreted-text': {
+					pattern: /(^`).+(?=`$)/,
+					lookbehind: true,
+					alias: 'attr-value'
+				},
+				'substitution': {
+					pattern: /(^\|).+(?=\|$)/,
+					lookbehind: true,
+					alias: 'attr-value'
+				},
+				'punctuation': /\*\*?|``?|\|/
+			}
+		}
+	],
+
+	'link': [
+		{
+			pattern: /\[[^\]]+\]_(?=[\s\-.,:;!?\\\/'")\]}]|$)/,
+			alias: 'string',
+			inside: {
+				'punctuation': /^\[|\]_$/
+			}
+		},
+		{
+			pattern: /(?:\b[a-z\d](?:[_.:+]?[a-z\d]+)?_?_|`[^`]+`_?_|_`[^`]+`)(?=[\s\-.,:;!?\\\/'")\]}]|$)/i,
+			alias: 'string',
+			inside: {
+				'punctuation': /^_?`|`?_?_$/
+			}
+		}
+	],
+
+	// Line block start,
+	// quote attribution,
+	// explicit markup start,
+	// and anonymous hyperlink target shortcut (__)
+	'punctuation': {
+		pattern: /(^\s*)(?:\|(?= |$)|(?:---?|—|\.\.|__)(?= )|\.\.$)/m,
+		lookbehind: true
+	}
+};