| // Copyright 2018 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cros-disks/uri.h" |
| |
| #include <base/logging.h> |
| |
| namespace cros_disks { |
| |
| namespace { |
| |
| const char kUriDelimiter[] = "://"; |
| |
| } // namespace |
| |
| Uri::Uri(const std::string& scheme, const std::string& path) |
| : scheme_(scheme), path_(path) {} |
| |
| std::string Uri::value() const { |
| return scheme_ + kUriDelimiter + path_; |
| } |
| |
| bool Uri::IsUri(const std::string& s) { |
| size_t pos = s.find(kUriDelimiter); |
| if (pos == std::string::npos || pos == 0) |
| return false; |
| // RFC 3986, section 3.1 |
| if (!isalpha(s[0])) |
| return false; |
| for (auto c : s.substr(0, pos)) { |
| if (!isalnum(c) && c != '-' && c != '+' && c != '.') |
| return false; |
| } |
| return true; |
| } |
| |
| Uri Uri::Parse(const std::string& s) { |
| CHECK(IsUri(s)); |
| size_t pos = s.find(kUriDelimiter); |
| return Uri(s.substr(0, pos), s.substr(pos + strlen(kUriDelimiter))); |
| } |
| |
| } // namespace cros_disks |