| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_AUTOCOMPLETE_URL_PREFIX_H_ |
| #define CHROME_BROWSER_AUTOCOMPLETE_URL_PREFIX_H_ |
| |
| #include <vector> |
| |
| #include "base/strings/string16.h" |
| |
| struct URLPrefix; |
| typedef std::vector<URLPrefix> URLPrefixes; |
| |
| // A URL prefix; combinations of schemes and (least significant) domain labels |
| // that may be inferred from certain URL-like input strings. |
| struct URLPrefix { |
| URLPrefix(const string16& prefix, size_t num_components); |
| |
| // Returns a vector of URL prefixes sorted by descending number of components. |
| static const URLPrefixes& GetURLPrefixes(); |
| |
| // Returns if the argument is a valid URL prefix. |
| static bool IsURLPrefix(const string16& prefix); |
| |
| // Returns the URL prefix of |text| with the most components, or NULL. |
| // |prefix_suffix| (which may be empty) is appended to every attempted prefix, |
| // which is useful for finding the innermost match of user input in a URL. |
| // Performs case insensitive string comparison. |
| static const URLPrefix* BestURLPrefix(const string16& text, |
| const string16& prefix_suffix); |
| |
| string16 prefix; |
| |
| // The number of URL components (scheme, domain label, etc.) in the prefix. |
| // For example, "http://foo.com" and "www.bar.com" each have one component, |
| // while "ftp://ftp.ftp.com" has two, and "mysite.com" has none. |
| size_t num_components; |
| }; |
| |
| #endif // CHROME_BROWSER_AUTOCOMPLETE_URL_PREFIX_H_ |