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. 4 5 #include "chrome/browser/autocomplete/url_prefix.h" 6 7 #include "base/basictypes.h" 8 #include "base/strings/string_util.h" 9 #include "base/strings/utf_string_conversions.h" 10 11 URLPrefix::URLPrefix(const base::string16& prefix, size_t num_components) 12 : prefix(prefix), 13 num_components(num_components) { 14 } 15 16 // static 17 const URLPrefixes& URLPrefix::GetURLPrefixes() { 18 CR_DEFINE_STATIC_LOCAL(URLPrefixes, prefixes, ()); 19 if (prefixes.empty()) { 20 prefixes.push_back(URLPrefix(ASCIIToUTF16("https://www."), 2)); 21 prefixes.push_back(URLPrefix(ASCIIToUTF16("http://www."), 2)); 22 prefixes.push_back(URLPrefix(ASCIIToUTF16("ftp://ftp."), 2)); 23 prefixes.push_back(URLPrefix(ASCIIToUTF16("ftp://www."), 2)); 24 prefixes.push_back(URLPrefix(ASCIIToUTF16("https://"), 1)); 25 prefixes.push_back(URLPrefix(ASCIIToUTF16("http://"), 1)); 26 prefixes.push_back(URLPrefix(ASCIIToUTF16("ftp://"), 1)); 27 prefixes.push_back(URLPrefix(base::string16(), 0)); 28 } 29 return prefixes; 30 } 31 32 // static 33 bool URLPrefix::IsURLPrefix(const base::string16& prefix) { 34 const URLPrefixes& list = GetURLPrefixes(); 35 for (URLPrefixes::const_iterator i = list.begin(); i != list.end(); ++i) 36 if (i->prefix == prefix) 37 return true; 38 return false; 39 } 40 41 // static 42 const URLPrefix* URLPrefix::BestURLPrefix(const base::string16& text, 43 const base::string16& prefix_suffix) { 44 const URLPrefixes& list = GetURLPrefixes(); 45 for (URLPrefixes::const_iterator i = list.begin(); i != list.end(); ++i) 46 if (PrefixMatch(*i, text, prefix_suffix)) 47 return &(*i); 48 return NULL; 49 } 50 51 // static 52 bool URLPrefix::PrefixMatch(const URLPrefix& prefix, 53 const base::string16& text, 54 const base::string16& prefix_suffix) { 55 return StartsWith(text, prefix.prefix + prefix_suffix, false); 56 } 57
