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1 // Copyright 2015 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 "components/autofill/core/common/autofill_util.h" | |
6 | |
7 #include <vector> | |
8 | |
9 #include "base/command_line.h" | |
10 #include "base/i18n/case_conversion.h" | |
11 #include "base/strings/string_piece.h" | |
12 #include "base/strings/string_util.h" | |
13 #include "base/strings/utf_string_conversions.h" | |
14 #include "components/autofill/core/common/autofill_switches.h" | |
15 | |
16 namespace autofill { | |
17 | |
18 bool IsFeatureSubstringMatchEnabled() { | |
19 return base::CommandLine::ForCurrentProcess()->HasSwitch( | |
20 switches::kEnableSuggestionsWithSubstringMatch); | |
21 } | |
22 | |
23 bool IsContentsPrefixOfSuggestionToken(const base::string16& field_suggestion, | |
24 const base::string16& field_contents, | |
25 bool case_sensitive) { | |
26 if (!IsFeatureSubstringMatchEnabled()) { | |
27 return false; | |
28 } | |
29 | |
30 bool result = false; | |
31 std::vector<base::string16> suggestion_tokens; | |
32 Tokenize(field_suggestion, base::ASCIIToUTF16(" .,-_@"), &suggestion_tokens); | |
33 | |
34 // Check whether the |field_contents| prefixes any of the |field_suggestion|'s | |
35 // token. | |
36 for (auto token : suggestion_tokens) { | |
37 result = StartsWith(token, field_contents, case_sensitive); | |
Evan Stade
2015/03/31 21:41:52
this doesn't work if you type user@exa and the sug
Pritam Nikam
2015/04/01 09:10:37
Done.
Modified ComputeRange() so that it will tak
| |
38 if (result) | |
39 break; | |
40 } | |
41 | |
42 return result; | |
43 } | |
44 | |
45 base::string16::size_type ComputeRange(const base::string16& field_suggestion, | |
46 const base::string16& field_contents, | |
47 size_t* start, | |
48 size_t* end) { | |
49 base::string16::size_type offset = | |
50 StartsAt(field_suggestion, field_contents, false); | |
51 if (base::string16::npos != offset) { | |
52 *start = offset + field_contents.size(); | |
53 *end = field_suggestion.size(); | |
54 } | |
55 | |
56 return offset; | |
57 } | |
58 | |
59 } // namespace autofill | |
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