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module.exports = function(hljs) {
var LITERALS = 'true false yes no null';
var keyPrefix = '^[ \\-]*';
var keyName = '[a-zA-Z_][\\w\\-]*';
var KEY = {
className: 'attr',
variants: [
{ begin: keyPrefix + keyName + ":"},
{ begin: keyPrefix + '"' + keyName + '"' + ":"},
{ begin: keyPrefix + "'" + keyName + "'" + ":"}
]
};
var TEMPLATE_VARIABLES = {
className: 'template-variable',
variants: [
{ begin: '\{\{', end: '\}\}' }, // jinja templates Ansible
{ begin: '%\{', end: '\}' } // Ruby i18n
]
};
var STRING = {
className: 'string',
relevance: 0,
variants: [
{begin: /'/, end: /'/},
{begin: /"/, end: /"/},
{begin: /\S+/}
],
contains: [
hljs.BACKSLASH_ESCAPE,
TEMPLATE_VARIABLES
]
};
return {
case_insensitive: true,
aliases: ['yml', 'YAML', 'yaml'],
contains: [
KEY,
{
className: 'meta',
begin: '^---\s*$',
relevance: 10
},
{ // multi line string
className: 'string',
begin: '[\\|>] *$',
returnEnd: true,
contains: STRING.contains,
// very simple termination: next hash key
end: KEY.variants[0].begin
},
{ // Ruby/Rails erb
begin: '<%[%=-]?', end: '[%-]?%>',
subLanguage: 'ruby',
excludeBegin: true,
excludeEnd: true,
relevance: 0
},
{ // data type
className: 'type',
begin: '!!' + hljs.UNDERSCORE_IDENT_RE,
},
{ // fragment id &ref
className: 'meta',
begin: '&' + hljs.UNDERSCORE_IDENT_RE + '$',
},
{ // fragment reference *ref
className: 'meta',
begin: '\\*' + hljs.UNDERSCORE_IDENT_RE + '$'
},
{ // array listing
className: 'bullet',
begin: '^ *-',
relevance: 0
},
hljs.HASH_COMMENT_MODE,
{
beginKeywords: LITERALS,
keywords: {literal: LITERALS}
},
hljs.C_NUMBER_MODE,
STRING
]
};
};
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