'use strict';
const path = require('path');
const WIN_SLASH = '\\\\/';
const WIN_NO_SLASH = `[^${WIN_SLASH}]`;
/**
* Posix glob regex
*/
const DOT_LITERAL = '\\.';
const PLUS_LITERAL = '\\+';
const QMARK_LITERAL = '\\?';
const SLASH_LITERAL = '\\/';
const ONE_CHAR = '(?=.)';
const QMARK = '[^/]';
const END_ANCHOR = `(?:${SLASH_LITERAL}|$)`;
const START_ANCHOR = `(?:^|${SLASH_LITERAL})`;
const DOTS_SLASH = `${DOT_LITERAL}{1,2}${END_ANCHOR}`;
const NO_DOT = `(?!${DOT_LITERAL})`;
const NO_DOTS = `(?!${START_ANCHOR}${DOTS_SLASH})`;
const NO_DOT_SLASH = `(?!${DOT_LITERAL}{0,1}${END_ANCHOR})`;
const NO_DOTS_SLASH = `(?!${DOTS_SLASH})`;
const QMARK_NO_DOT = `[^.${SLASH_LITERAL}]`;
const STAR = `${QMARK}*?`;
const POSIX_CHARS = {
DOT_LITERAL,
PLUS_LITERAL,
QMARK_LITERAL,
SLASH_LITERAL,
ONE_CHAR,
QMARK,
END_ANCHOR,
DOTS_SLASH,
NO_DOT,
NO_DOTS,
NO_DOT_SLASH,
NO_DOTS_SLASH,
QMARK_NO_DOT,
STAR,
START_ANCHOR
};
/**
* Windows glob regex
*/
const WINDOWS_CHARS = {
...POSIX_CHARS,
SLASH_LITERAL: `[${WIN_SLASH}]`,
QMARK: WIN_NO_SLASH,
STAR: `${WIN_NO_SLASH}*?`,
DOTS_SLASH: `${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$)`,
NO_DOT: `(?!${DOT_LITERAL})`,
NO_DOTS: `(?!(?:^|[${WIN_SLASH}])${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$))`,
NO_DOT_SLASH: `(?!${DOT_LITERAL}{0,1}(?:[${WIN_SLASH}]|$))`,
NO_DOTS_SLASH: `(?!${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$))`,
QMARK_NO_DOT: `[^.${WIN_SLASH}]`,
START_ANCHOR: `(?:^|[${WIN_SLASH}])`,
END_ANCHOR: `(?:[${WIN_SLASH}]|$)`
};
/**
* POSIX Bracket Regex
*/
const POSIX_REGEX_SOURCE = {
alnum: 'a-zA-Z0-9',
alpha: 'a-zA-Z',
ascii: '\\x00-\\x7F',
blank: ' \\t',
cntrl: '\\x00-\\x1F\\x7F',
digit: '0-9',
graph: '\\x21-\\x7E',
lower: 'a-z',
print: '\\x20-\\x7E ',
punct: '\\-!"#$%&\'()\\*+,./:;<=>?@[\\]^_`{|}~',
space: ' \\t\\r\\n\\v\\f',
upper: 'A-Z',
word: 'A-Za-z0-9_',
xdigit: 'A-Fa-f0-9'
};
module.exports = {
MAX_LENGTH: 1024 * 64,
POSIX_REGEX_SOURCE,
// regular expressions
REGEX_BACKSLASH: /\\(?![*+?^${}(|)[\]])/g,
REGEX_NON_SPECIAL_CHARS: /^[^@![\].,$*+?^{}()|\\/]+/,
REGEX_SPECIAL_CHARS: /[-*+?.^${}(|)[\]]/,
REGEX_SPECIAL_CHARS_BACKREF: /(\\?)((\W)(\3*))/g,
REGEX_SPECIAL_CHARS_GLOBAL: /([-*+?.^${}(|)[\]])/g,
REGEX_REMOVE_BACKSLASH: /(?:\[.*?[^\\]\]|\\(?=.))/g,
// Replace globs with equivalent patterns to reduce parsing time.
REPLACEMENTS: {
'***': '*',
'**/**': '**',
'**/**/**': '**'
},
// Digits
CHAR_0: 48, /* 0 */
CHAR_9: 57, /* 9 */
// Alphabet chars.
CHAR_UPPERCASE_A: 65, /* A */
CHAR_LOWERCASE_A: 97, /* a */
CHAR_UPPERCASE_Z: 90, /* Z */
CHAR_LOWERCASE_Z: 122, /* z */
CHAR_LEFT_PARENTHESES: 40, /* ( */
CHAR_RIGHT_PARENTHESES: 41, /* ) */
CHAR_ASTERISK: 42, /* * */
// Non-alphabetic chars.
CHAR_AMPERSAND: 38, /* & */
CHAR_AT: 64, /* @ */
CHAR_BACKWARD_SLASH: 92, /* \ */
CHAR_CARRIAGE_RETURN: 13, /* \r */
CHAR_CIRCUMFLEX_ACCENT: 94, /* ^ */
CHAR_COLON: 58, /* : */
CHAR_COMMA: 44, /* , */
CHAR_DOT: 46, /* . */
CHAR_DOUBLE_QUOTE: 34, /* " */
CHAR_EQUAL: 61, /* = */
CHAR_EXCLAMATION_MARK: 33, /* ! */
CHAR_FORM_FEED: 12, /* \f */
CHAR_FORWARD_SLASH: 47, /* / */
CHAR_GRAVE_ACCENT: 96, /* ` */
CHAR_HASH: 35, /* # */
CHAR_HYPHEN_MINUS: 45, /* - */
CHAR_LEFT_ANGLE_BRACKET: 60, /* < */
CHAR_LEFT_CURLY_BRACE: 123, /* { */
CHAR_LEFT_SQUARE_BRACKET: 91, /* [ */
CHAR_LINE_FEED: 10, /* \n */
CHAR_NO_BREAK_SPACE: 160, /* \u00A0 */
CHAR_PERCENT: 37, /* % */
CHAR_PLUS: 43, /* + */
CHAR_QUESTION_MARK: 63, /* ? */
CHAR_RIGHT_ANGLE_BRACKET: 62, /* > */
CHAR_RIGHT_CURLY_BRACE: 125, /* } */
CHAR_RIGHT_SQUARE_BRACKET: 93, /* ] */
CHAR_SEMICOLON: 59, /* ; */
CHAR_SINGLE_QUOTE: 39, /* ' */
CHAR_SPACE: 32, /* */
CHAR_TAB: 9, /* \t */
CHAR_UNDERSCORE: 95, /* _ */
CHAR_VERTICAL_LINE: 124, /* | */
CHAR_ZERO_WIDTH_NOBREAK_SPACE: 65279, /* \uFEFF */
SEP: path.sep,
/**
* Create EXTGLOB_CHARS
*/
extglobChars(chars) {
return {
'!': { type: 'negate', open: '(?:(?!(?:', close: `))${chars.STAR})` },
'?': { type: 'qmark', open: '(?:', close: ')?' },
'+': { type: 'plus', open: '(?:', close: ')+' },
'*': { type: 'star', open: '(?:', close: ')*' },
'@': { type: 'at', open: '(?:', close: ')' }
};
},
/**
* Create GLOB_CHARS
*/
globChars(win32) {
return win32 === true ? WINDOWS_CHARS : POSIX_CHARS;
}
};