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// yes, Less identifiers may begin with a digit\n\n var INTERP_IDENT_RE = '(' + IDENT_RE + '|@{' + IDENT_RE + '})';\n /* Generic Modes */\n\n var RULES = [],\n VALUE = []; // forward def. for recursive modes\n\n var STRING_MODE = function STRING_MODE(c) {\n return {\n // Less strings are not multiline (also include '~' for more consistent coloring of \"escaped\" strings)\n className: 'string',\n begin: '~?' + c + '.*?' + c\n };\n };\n\n var IDENT_MODE = function IDENT_MODE(name, begin, relevance) {\n return {\n className: name,\n begin: begin,\n relevance: relevance\n };\n };\n\n var PARENS_MODE = {\n // used only to properly balance nested parens inside mixin call, def. arg list\n begin: '\\\\(',\n end: '\\\\)',\n contains: VALUE,\n relevance: 0\n }; // generic Less highlighter (used almost everywhere except selectors):\n\n VALUE.push(hljs.C_LINE_COMMENT_MODE, hljs.C_BLOCK_COMMENT_MODE, STRING_MODE(\"'\"), STRING_MODE('\"'), hljs.CSS_NUMBER_MODE, // fixme: it does not include dot for numbers like .5em :(\n {\n begin: '(url|data-uri)\\\\(',\n starts: {\n className: 'string',\n end: '[\\\\)\\\\n]',\n excludeEnd: true\n }\n }, IDENT_MODE('number', '#[0-9A-Fa-f]+\\\\b'), PARENS_MODE, IDENT_MODE('variable', '@@?' + IDENT_RE, 10), IDENT_MODE('variable', '@{' + IDENT_RE + '}'), IDENT_MODE('built_in', '~?`[^`]*?`'), // inline javascript (or whatever host language) *multiline* string\n {\n // @media features (it’s here to not duplicate things in AT_RULE_MODE with extra PARENS_MODE overriding):\n className: 'attribute',\n begin: IDENT_RE + '\\\\s*:',\n end: ':',\n returnBegin: true,\n excludeEnd: true\n }, {\n className: 'meta',\n begin: '!important'\n });\n var VALUE_WITH_RULESETS = VALUE.concat({\n begin: '{',\n end: '}',\n contains: RULES\n });\n var MIXIN_GUARD_MODE = {\n beginKeywords: 'when',\n endsWithParent: true,\n contains: [{\n beginKeywords: 'and not'\n }].concat(VALUE) // using this form to override VALUE’s 'function' match\n\n };\n /* Rule-Level Modes */\n\n var RULE_MODE = {\n begin: INTERP_IDENT_RE + '\\\\s*:',\n returnBegin: true,\n end: '[;}]',\n relevance: 0,\n contains: [{\n className: 'attribute',\n begin: INTERP_IDENT_RE,\n end: ':',\n excludeEnd: true,\n starts: {\n endsWithParent: true,\n illegal: '[<=$]',\n relevance: 0,\n contains: VALUE\n }\n }]\n };\n var AT_RULE_MODE = {\n className: 'keyword',\n begin: '@(import|media|charset|font-face|(-[a-z]+-)?keyframes|supports|document|namespace|page|viewport|host)\\\\b',\n starts: {\n end: '[;{}]',\n returnEnd: true,\n contains: VALUE,\n relevance: 0\n }\n }; // variable definitions and calls\n\n var VAR_RULE_MODE = {\n className: 'variable',\n variants: [// using more strict pattern for higher relevance to increase chances of Less detection.\n // this is *the only* Less specific statement used in most of the sources, so...\n // (we’ll still often loose to the css-parser unless there's '//' comment,\n // simply because 1 variable just can't beat 99 properties :)\n {\n begin: '@' + IDENT_RE + '\\\\s*:',\n relevance: 15\n }, {\n begin: '@' + IDENT_RE\n }],\n starts: {\n end: '[;}]',\n returnEnd: true,\n contains: VALUE_WITH_RULESETS\n }\n };\n var SELECTOR_MODE = {\n // first parse unambiguous selectors (i.e. those not starting with tag)\n // then fall into the scary lookahead-discriminator variant.\n // this mode also handles mixin definitions and calls\n variants: [{\n begin: '[\\\\.#:&\\\\[>]',\n end: '[;{}]' // mixin calls end with ';'\n\n }, {\n begin: INTERP_IDENT_RE,\n end: '{'\n }],\n returnBegin: true,\n returnEnd: true,\n illegal: '[<=\\'$\"]',\n relevance: 0,\n contains: [hljs.C_LINE_COMMENT_MODE, hljs.C_BLOCK_COMMENT_MODE, MIXIN_GUARD_MODE, IDENT_MODE('keyword', 'all\\\\b'), IDENT_MODE('variable', '@{' + IDENT_RE + '}'), // otherwise it’s identified as tag\n IDENT_MODE('selector-tag', INTERP_IDENT_RE + '%?', 0), // '%' for more consistent coloring of @keyframes \"tags\"\n IDENT_MODE('selector-id', '#' + INTERP_IDENT_RE), IDENT_MODE('selector-class', '\\\\.' + INTERP_IDENT_RE, 0), IDENT_MODE('selector-tag', '&', 0), {\n className: 'selector-attr',\n begin: '\\\\[',\n end: '\\\\]'\n }, {\n className: 'selector-pseudo',\n begin: /:(:)?[a-zA-Z0-9\\_\\-\\+\\(\\)\"'.]+/\n }, {\n begin: '\\\\(',\n end: '\\\\)',\n contains: VALUE_WITH_RULESETS\n }, // argument list of parametric mixins\n {\n begin: '!important'\n } // eat !important after mixin call or it will be colored as tag\n ]\n };\n RULES.push(hljs.C_LINE_COMMENT_MODE, hljs.C_BLOCK_COMMENT_MODE, AT_RULE_MODE, VAR_RULE_MODE, RULE_MODE, SELECTOR_MODE);\n return {\n name: 'Less',\n case_insensitive: true,\n illegal: '[=>\\'/<($\"]',\n contains: RULES\n };\n}\n\nmodule.exports = less;"],"sourceRoot":""} |