1 // Copyright (c) 2012 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.
5 #ifndef CHROME_BROWSER_AUTOCOMPLETE_URL_PREFIX_H_
6 #define CHROME_BROWSER_AUTOCOMPLETE_URL_PREFIX_H_
10 #include "base/strings/string16.h"
13 typedef std::vector<URLPrefix> URLPrefixes;
15 // A URL prefix; combinations of schemes and (least significant) domain labels
16 // that may be inferred from certain URL-like input strings.
18 URLPrefix(const string16& prefix, size_t num_components);
20 // Returns a vector of URL prefixes sorted by descending number of components.
21 static const URLPrefixes& GetURLPrefixes();
23 // Returns if the argument is a valid URL prefix.
24 static bool IsURLPrefix(const string16& prefix);
26 // Returns the URL prefix of |text| with the most components, or NULL.
27 // |prefix_suffix| (which may be empty) is appended to every attempted prefix,
28 // which is useful for finding the innermost match of user input in a URL.
29 // Performs case insensitive string comparison.
30 static const URLPrefix* BestURLPrefix(const string16& text,
31 const string16& prefix_suffix);
35 // The number of URL components (scheme, domain label, etc.) in the prefix.
36 // For example, "http://foo.com" and "www.bar.com" each have one component,
37 // while "ftp://ftp.ftp.com" has two, and "mysite.com" has none.
38 size_t num_components;
41 #endif // CHROME_BROWSER_AUTOCOMPLETE_URL_PREFIX_H_