1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
// Copyright Joyent, Inc. and other Node contributors.//// Permission is hereby granted, free of charge, to any person obtaining a// copy of this software and associated documentation files (the// "Software"), to deal in the Software without restriction, including// without limitation the rights to use, copy, modify, merge, publish,// distribute, sublicense, and/or sell copies of the Software, and to permit// persons to whom the Software is furnished to do so, subject to the// following conditions://// The above copyright notice and this permission notice shall be included// in all copies or substantial portions of the Software.//// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE// USE OR OTHER DEALINGS IN THE SOFTWARE.
import {  CHAR_BACKWARD_SLASH,  CHAR_FORWARD_SLASH,  CHAR_LOWERCASE_A,  CHAR_LOWERCASE_Z,} from "../path/_constants.ts";import * as path from "./path.ts";import { isWindows } from "../_util/os.ts";
const forwardSlashRegEx = /\//g;const percentRegEx = /%/g;const backslashRegEx = /\\/g;const newlineRegEx = /\n/g;const carriageReturnRegEx = /\r/g;const tabRegEx = /\t/g;
const _url = URL;export { _url as URL };
/** * Get fully resolved platform-specific file path from the given URL string/ object * @param path The file URL string or URL object to convert to a path */export function fileURLToPath(path: string | URL): string {  if (typeof path === "string") path = new URL(path);  else if (!(path instanceof URL)) {    throw new Deno.errors.InvalidData(      "invalid argument path , must be a string or URL",    );  }  if (path.protocol !== "file:") {    throw new Deno.errors.InvalidData("invalid url scheme");  }  return isWindows ? getPathFromURLWin(path) : getPathFromURLPosix(path);}
function getPathFromURLWin(url: URL): string {  const hostname = url.hostname;  let pathname = url.pathname;  for (let n = 0; n < pathname.length; n++) {    if (pathname[n] === "%") {      const third = pathname.codePointAt(n + 2) || 0x20;      if (        (pathname[n + 1] === "2" && third === 102) || // 2f 2F /        (pathname[n + 1] === "5" && third === 99)      ) {        // 5c 5C \        throw new Deno.errors.InvalidData(          "must not include encoded \\ or / characters",        );      }    }  }
  pathname = pathname.replace(forwardSlashRegEx, "\\");  pathname = decodeURIComponent(pathname);  if (hostname !== "") {    // TODO(bartlomieju): add support for punycode encodings    return `\\\\${hostname}${pathname}`;  } else {    // Otherwise, it's a local path that requires a drive letter    const letter = pathname.codePointAt(1)! | 0x20;    const sep = pathname[2];    if (      letter < CHAR_LOWERCASE_A ||      letter > CHAR_LOWERCASE_Z || // a..z A..Z      sep !== ":"    ) {      throw new Deno.errors.InvalidData("file url path must be absolute");    }    return pathname.slice(1);  }}
function getPathFromURLPosix(url: URL): string {  if (url.hostname !== "") {    throw new Deno.errors.InvalidData("invalid file url hostname");  }  const pathname = url.pathname;  for (let n = 0; n < pathname.length; n++) {    if (pathname[n] === "%") {      const third = pathname.codePointAt(n + 2) || 0x20;      if (pathname[n + 1] === "2" && third === 102) {        throw new Deno.errors.InvalidData(          "must not include encoded / characters",        );      }    }  }  return decodeURIComponent(pathname);}
/** Get fully resolved platform-specific File URL from the given file path */export function pathToFileURL(filepath: string): URL {  let resolved = path.resolve(filepath);  // path.resolve strips trailing slashes so we must add them back  const filePathLast = filepath.charCodeAt(filepath.length - 1);  if (    (filePathLast === CHAR_FORWARD_SLASH ||      (isWindows && filePathLast === CHAR_BACKWARD_SLASH)) &&    resolved[resolved.length - 1] !== path.sep  ) {    resolved += "/";  }  const outURL = new URL("file://");  if (resolved.includes("%")) resolved = resolved.replace(percentRegEx, "%25");  // In posix, "/" is a valid character in paths  if (!isWindows && resolved.includes("\\")) {    resolved = resolved.replace(backslashRegEx, "%5C");  }  if (resolved.includes("\n")) resolved = resolved.replace(newlineRegEx, "%0A");  if (resolved.includes("\r")) {    resolved = resolved.replace(carriageReturnRegEx, "%0D");  }  if (resolved.includes("\t")) resolved = resolved.replace(tabRegEx, "%09");  outURL.pathname = resolved;  return outURL;}
export default {  fileURLToPath,  pathToFileURL,  URL,};