CS-Notes/docs/_style/prism-master/components/prism-php.js
2018-12-19 14:09:39 +08:00

122 lines
3.4 KiB
JavaScript

/**
* Original by Aaron Harun: http://aahacreative.com/2012/07/31/php-syntax-highlighting-prism/
* Modified by Miles Johnson: http://milesj.me
*
* Supports the following:
* - Extends clike syntax
* - Support for PHP 5.3+ (namespaces, traits, generators, etc)
* - Smarter constant and function matching
*
* Adds the following new token classes:
* constant, delimiter, variable, function, package
*/
(function (Prism) {
Prism.languages.php = Prism.languages.extend('clike', {
'keyword': /\b(?:and|or|xor|array|as|break|case|cfunction|class|const|continue|declare|default|die|do|else|elseif|enddeclare|endfor|endforeach|endif|endswitch|endwhile|extends|for|foreach|function|include|include_once|global|if|new|return|static|switch|use|require|require_once|var|while|abstract|interface|public|implements|private|protected|parent|throw|null|echo|print|trait|namespace|final|yield|goto|instanceof|finally|try|catch)\b/i,
'constant': /\b[A-Z0-9_]{2,}\b/,
'comment': {
pattern: /(^|[^\\])(?:\/\*[\s\S]*?\*\/|\/\/.*)/,
lookbehind: true
}
});
Prism.languages.insertBefore('php', 'string', {
'shell-comment': {
pattern: /(^|[^\\])#.*/,
lookbehind: true,
alias: 'comment'
}
});
Prism.languages.insertBefore('php', 'keyword', {
'delimiter': {
pattern: /\?>|<\?(?:php|=)?/i,
alias: 'important'
},
'variable': /\$+(?:\w+\b|(?={))/i,
'package': {
pattern: /(\\|namespace\s+|use\s+)[\w\\]+/,
lookbehind: true,
inside: {
punctuation: /\\/
}
}
});
// Must be defined after the function pattern
Prism.languages.insertBefore('php', 'operator', {
'property': {
pattern: /(->)[\w]+/,
lookbehind: true
}
});
var string_interpolation = {
pattern: /{\$(?:{(?:{[^{}]+}|[^{}]+)}|[^{}])+}|(^|[^\\{])\$+(?:\w+(?:\[.+?]|->\w+)*)/,
lookbehind: true,
inside: {
rest: Prism.languages.php
}
};
Prism.languages.insertBefore('php', 'string', {
'nowdoc-string': {
pattern: /<<<'([^']+)'(?:\r\n?|\n)(?:.*(?:\r\n?|\n))*?\1;/,
greedy: true,
alias: 'string',
inside: {
'delimiter': {
pattern: /^<<<'[^']+'|[a-z_]\w*;$/i,
alias: 'symbol',
inside: {
'punctuation': /^<<<'?|[';]$/
}
}
}
},
'heredoc-string': {
pattern: /<<<(?:"([^"]+)"(?:\r\n?|\n)(?:.*(?:\r\n?|\n))*?\1;|([a-z_]\w*)(?:\r\n?|\n)(?:.*(?:\r\n?|\n))*?\2;)/i,
greedy: true,
alias: 'string',
inside: {
'delimiter': {
pattern: /^<<<(?:"[^"]+"|[a-z_]\w*)|[a-z_]\w*;$/i,
alias: 'symbol',
inside: {
'punctuation': /^<<<"?|[";]$/
}
},
'interpolation': string_interpolation // See below
}
},
'single-quoted-string': {
pattern: /'(?:\\[\s\S]|[^\\'])*'/,
greedy: true,
alias: 'string'
},
'double-quoted-string': {
pattern: /"(?:\\[\s\S]|[^\\"])*"/,
greedy: true,
alias: 'string',
inside: {
'interpolation': string_interpolation // See below
}
}
});
// The different types of PHP strings "replace" the C-like standard string
delete Prism.languages.php['string'];
Prism.hooks.add('before-tokenize', function(env) {
if (!/(?:<\?php|<\?)/ig.test(env.code)) {
return;
}
var phpPattern = /(?:<\?php|<\?)[\s\S]*?(?:\?>|$)/ig;
Prism.languages['markup-templating'].buildPlaceholders(env, 'php', phpPattern);
});
Prism.hooks.add('after-tokenize', function(env) {
Prism.languages['markup-templating'].tokenizePlaceholders(env, 'php');
});
}(Prism));