1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "net/base/net_util.h" 6 7 #include "base/file_path.h" 8 #include "base/string_util.h" 9 #include "googleurl/src/gurl.h" 10 #include "net/base/escape.h" 11 12 namespace net { 13 14 bool FileURLToFilePath(const GURL& url, FilePath* path) { 15 *path = FilePath(); 16 std::string& file_path_str = const_cast<std::string&>(path->value()); 17 file_path_str.clear(); 18 19 if (!url.is_valid()) 20 return false; 21 22 // Firefox seems to ignore the "host" of a file url if there is one. That is, 23 // file://foo/bar.txt maps to /bar.txt. 24 // TODO(dhg): This should probably take into account UNCs which could 25 // include a hostname other than localhost or blank 26 std::string old_path = url.path(); 27 28 if (old_path.empty()) 29 return false; 30 31 // GURL stores strings as percent-encoded 8-bit, this will undo if possible. 32 old_path = UnescapeURLComponent(old_path, 33 UnescapeRule::SPACES | UnescapeRule::URL_SPECIAL_CHARS); 34 35 // Collapse multiple path slashes into a single path slash. 36 std::string new_path; 37 do { 38 new_path = old_path; 39 ReplaceSubstringsAfterOffset(&new_path, 0, "//", "/"); 40 old_path.swap(new_path); 41 } while (new_path != old_path); 42 43 file_path_str.assign(old_path); 44 45 return !file_path_str.empty(); 46 } 47 48 } // namespace net 49
