|
/**
|
* Module dependencies.
|
*/
|
|
var sep = require('path').sep || '/';
|
|
/**
|
* Module exports.
|
*/
|
|
module.exports = fileUriToPath;
|
|
/**
|
* File URI to Path function.
|
*
|
* @param {String} uri
|
* @return {String} path
|
* @api public
|
*/
|
|
function fileUriToPath (uri) {
|
if ('string' != typeof uri ||
|
uri.length <= 7 ||
|
'file://' != uri.substring(0, 7)) {
|
throw new TypeError('must pass in a file:// URI to convert to a file path');
|
}
|
|
var rest = decodeURI(uri.substring(7));
|
var firstSlash = rest.indexOf('/');
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var host = rest.substring(0, firstSlash);
|
var path = rest.substring(firstSlash + 1);
|
|
// 2. Scheme Definition
|
// As a special case, <host> can be the string "localhost" or the empty
|
// string; this is interpreted as "the machine from which the URL is
|
// being interpreted".
|
if ('localhost' == host) host = '';
|
|
if (host) {
|
host = sep + sep + host;
|
}
|
|
// 3.2 Drives, drive letters, mount points, file system root
|
// Drive letters are mapped into the top of a file URI in various ways,
|
// depending on the implementation; some applications substitute
|
// vertical bar ("|") for the colon after the drive letter, yielding
|
// "file:///c|/tmp/test.txt". In some cases, the colon is left
|
// unchanged, as in "file:///c:/tmp/test.txt". In other cases, the
|
// colon is simply omitted, as in "file:///c/tmp/test.txt".
|
path = path.replace(/^(.+)\|/, '$1:');
|
|
// for Windows, we need to invert the path separators from what a URI uses
|
if (sep == '\\') {
|
path = path.replace(/\//g, '\\');
|
}
|
|
if (/^.+\:/.test(path)) {
|
// has Windows drive at beginning of path
|
} else {
|
// unix path…
|
path = sep + path;
|
}
|
|
return host + path;
|
}
|
