mirror of https://github.com/jkjoy/sunpeiwen.git
105 lines
2.3 KiB
JavaScript
105 lines
2.3 KiB
JavaScript
(function (Prism) {
|
|
|
|
var specialEscape = {
|
|
pattern: /\\[\\(){}[\]^$+*?|.]/,
|
|
alias: 'escape'
|
|
};
|
|
var escape = /\\(?:x[\da-fA-F]{2}|u[\da-fA-F]{4}|u\{[\da-fA-F]+\}|0[0-7]{0,2}|[123][0-7]{2}|c[a-zA-Z]|.)/;
|
|
var charSet = {
|
|
pattern: /\.|\\[wsd]|\\p\{[^{}]+\}/i,
|
|
alias: 'class-name'
|
|
};
|
|
var charSetWithoutDot = {
|
|
pattern: /\\[wsd]|\\p\{[^{}]+\}/i,
|
|
alias: 'class-name'
|
|
};
|
|
|
|
var rangeChar = '(?:[^\\\\-]|' + escape.source + ')';
|
|
var range = RegExp(rangeChar + '-' + rangeChar);
|
|
|
|
// the name of a capturing group
|
|
var groupName = {
|
|
pattern: /(<|')[^<>']+(?=[>']$)/,
|
|
lookbehind: true,
|
|
alias: 'variable'
|
|
};
|
|
|
|
Prism.languages.regex = {
|
|
'char-class': {
|
|
pattern: /((?:^|[^\\])(?:\\\\)*)\[(?:[^\\\]]|\\[\s\S])*\]/,
|
|
lookbehind: true,
|
|
inside: {
|
|
'char-class-negation': {
|
|
pattern: /(^\[)\^/,
|
|
lookbehind: true,
|
|
alias: 'operator'
|
|
},
|
|
'char-class-punctuation': {
|
|
pattern: /^\[|\]$/,
|
|
alias: 'punctuation'
|
|
},
|
|
'range': {
|
|
pattern: range,
|
|
inside: {
|
|
'escape': escape,
|
|
'range-punctuation': {
|
|
pattern: /-/,
|
|
alias: 'operator'
|
|
}
|
|
}
|
|
},
|
|
'special-escape': specialEscape,
|
|
'char-set': charSetWithoutDot,
|
|
'escape': escape
|
|
}
|
|
},
|
|
'special-escape': specialEscape,
|
|
'char-set': charSet,
|
|
'backreference': [
|
|
{
|
|
// a backreference which is not an octal escape
|
|
pattern: /\\(?![123][0-7]{2})[1-9]/,
|
|
alias: 'keyword'
|
|
},
|
|
{
|
|
pattern: /\\k<[^<>']+>/,
|
|
alias: 'keyword',
|
|
inside: {
|
|
'group-name': groupName
|
|
}
|
|
}
|
|
],
|
|
'anchor': {
|
|
pattern: /[$^]|\\[ABbGZz]/,
|
|
alias: 'function'
|
|
},
|
|
'escape': escape,
|
|
'group': [
|
|
{
|
|
// https://docs.oracle.com/javase/10/docs/api/java/util/regex/Pattern.html
|
|
// https://docs.microsoft.com/en-us/dotnet/standard/base-types/regular-expression-language-quick-reference?view=netframework-4.7.2#grouping-constructs
|
|
|
|
// (), (?<name>), (?'name'), (?>), (?:), (?=), (?!), (?<=), (?<!), (?is-m), (?i-m:)
|
|
pattern: /\((?:\?(?:<[^<>']+>|'[^<>']+'|[>:]|<?[=!]|[idmnsuxU]+(?:-[idmnsuxU]+)?:?))?/,
|
|
alias: 'punctuation',
|
|
inside: {
|
|
'group-name': groupName
|
|
}
|
|
},
|
|
{
|
|
pattern: /\)/,
|
|
alias: 'punctuation'
|
|
}
|
|
],
|
|
'quantifier': {
|
|
pattern: /(?:[+*?]|\{\d+(?:,\d*)?\})[?+]?/,
|
|
alias: 'number'
|
|
},
|
|
'alternation': {
|
|
pattern: /\|/,
|
|
alias: 'keyword'
|
|
}
|
|
};
|
|
|
|
}(Prism));
|