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markdown.js
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markdown.js
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/*
Language: Markdown
Requires: xml.js
Author: John Crepezzi <john.crepezzi@gmail.com>
Website: https://daringfireball.net/projects/markdown/
Category: common, markup
*/
function(hljs) {
INLINE_HTML = {
begin: '<', end: '>',
subLanguage: 'xml',
relevance: 0
};
HORIZONTAL_RULE = {
begin: '^[-\\*]{3,}', end: '$'
};
CODE = {
className: 'code',
variants: [
// TODO: fix to allow these to work with sublanguage also
{ begin: '(`{3,})(.|\\n)*?\\1`*[ ]*', },
{ begin: '(~{3,})(.|\\n)*?\\1~*[ ]*', },
// needed to allow markdown as a sublanguage to work
{ begin: '```\\w*\\s*$', end: '```+[ ]*$' },
{ begin: '~~~\\w*\\s*$', end: '~~~+[ ]*$' },
{ begin: '`.+?`' },
{
begin: '(?=^( {4}|\\t))',
// use contains to gobble up multiple lines to allow the block to be whatever size
// but only have a single open/close tag vs one per line
contains: [
{ begin: '^( {4}|\\t)', end: '(\\n)$' }
],
relevance: 0
}
]
};
LIST = {
className: 'bullet',
begin: '^\\s*([*+-]|(\\d+\\.))\\s+'
};
LINK_REFERENCE = {
begin: /^\[[^\n]+\]:/,
returnBegin: true,
contains: [
{
className: 'symbol',
begin: /\[/, end: /\]/,
excludeBegin: true, excludeEnd: true
},
{
className: 'link',
begin: /:\s*/, end: /$/,
excludeBegin: true
}
]
};
LINK = {
begin: '\\[.+?\\][\\(\\[].*?[\\)\\]]',
returnBegin: true,
contains: [
{
className: 'string',
begin: '\\[', end: '\\]',
excludeBegin: true,
returnEnd: true,
relevance: 0
},
{
className: 'link',
begin: '\\]\\(', end: '\\)',
excludeBegin: true, excludeEnd: true
},
{
className: 'symbol',
begin: '\\]\\[', end: '\\]',
excludeBegin: true, excludeEnd: true
}
],
relevance: 10
};
BOLD = {
className: 'strong',
contains: [],
variants: [
{begin: /_{2}/, end: /_{2}/ },
{begin: /\*{2}/, end: /\*{2}/ }
]
};
ITALIC = {
className: 'emphasis',
contains: [],
variants: [
{ begin: /\*(?!\*)/, end: /\*/ },
{ begin: /_(?!_)/, end: /_/, relevance: 0},
]
};
BOLD.contains.push(ITALIC);
ITALIC.contains.push(BOLD);
CONTAINABLE = [
INLINE_HTML,
LINK
];
BOLD.contains = BOLD.contains.concat(CONTAINABLE);
ITALIC.contains = ITALIC.contains.concat(CONTAINABLE);
CONTAINABLE = CONTAINABLE.concat(BOLD,ITALIC);
HEADER = {
className: 'section',
variants: [
{
begin: '^#{1,6}',
end: '$',
contains: CONTAINABLE
},
{
begin: '(?=^.+?\\n[=-]{2,}$)',
contains: [
{ begin: '^[=-]*$' },
{ begin: '^', end: "\\n", contains: CONTAINABLE },
]
}
]
};
BLOCKQUOTE = {
className: 'quote',
begin: '^>\\s+',
contains: CONTAINABLE,
end: '$',
};
return {
aliases: ['md', 'mkdown', 'mkd'],
contains: [
HEADER,
INLINE_HTML,
LIST,
BOLD,
ITALIC,
BLOCKQUOTE,
CODE,
HORIZONTAL_RULE,
LINK,
LINK_REFERENCE
]
};
}