json-q
Version:
Retrieves values from JSON objects (and JavaScript objects) by css-selector-like query (includes attribute filters and array flattening).
38 lines (34 loc) • 1.81 kB
JavaScript
var doubleSlashWinRegExp = /\\+/g;
var doubleSlashNixRegExp = /\/+/g;
var currentDirectoryWinMiddleRegExp = /\\(\.\\)+/;
var currentDirectoryWinEndRegExp = /\\\.$/;
var parentDirectoryWinMiddleRegExp = /\\+[^\\]+\\+\.\.\\/;
var parentDirectoryWinEndRegExp1 = /([A-Z]:\\)\\*[^\\]+\\+\.\.$/i;
var parentDirectoryWinEndRegExp2 = /\\+[^\\]+\\+\.\.$/;
var currentDirectoryNixMiddleRegExp = /\/+(\.\/)+/;
var currentDirectoryNixEndRegExp1 = /^\/+\.$/;
var currentDirectoryNixEndRegExp2 = /\/+\.$/;
var parentDirectoryNixMiddleRegExp = /(^|\/[^\/]+)\/+\.\.\/+/;
var parentDirectoryNixEndRegExp1 = /^\/[^\/]+\/+\.\.$/;
var parentDirectoryNixEndRegExp2 = /\/+[^\/]+\/+\.\.$/;
var parentDirectoryNixEndRegExp3 = /^\/+\.\.$/;
// RegExp magic :)
module.exports = function normalize(path) {
while(currentDirectoryWinMiddleRegExp.test(path))
path = path.replace(currentDirectoryWinMiddleRegExp, "\\");
path = path.replace(currentDirectoryWinEndRegExp, "");
while(parentDirectoryWinMiddleRegExp.test(path))
path = path.replace(parentDirectoryWinMiddleRegExp, "\\");
path = path.replace(parentDirectoryWinEndRegExp1, "$1");
path = path.replace(parentDirectoryWinEndRegExp2, "");
while(currentDirectoryNixMiddleRegExp.test(path))
path = path.replace(currentDirectoryNixMiddleRegExp, "/");
path = path.replace(currentDirectoryNixEndRegExp1, "/");
path = path.replace(currentDirectoryNixEndRegExp2, "");
while(parentDirectoryNixMiddleRegExp.test(path))
path = path.replace(parentDirectoryNixMiddleRegExp, "/");
path = path.replace(parentDirectoryNixEndRegExp1, "/");
path = path.replace(parentDirectoryNixEndRegExp2, "");
path = path.replace(parentDirectoryNixEndRegExp3, "/");
return path.replace(doubleSlashWinRegExp, "\\").replace(doubleSlashNixRegExp, "/");
};