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Side by Side Diff: components/autofill/core/common/autofill_util.h

Issue 962673004: [Autofill/Autocomplete Feature] Substring matching instead of prefix matching. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Addresses Vaclav's inputs. Created 5 years, 9 months ago
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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 #ifndef COMPONENTS_AUTOFILL_CORE_COMMON_AUTOFILL_UTIL_H_
6 #define COMPONENTS_AUTOFILL_CORE_COMMON_AUTOFILL_UTIL_H_
7
8 #include "base/strings/string16.h"
9
10 namespace autofill {
11
12 enum CaseSensitivity {
13 CASE_SENSITIVE, // for case sensitive match;
14 CASE_IGNORE // for case insensitive match;
15 };
16
17 // Returns |true| when command line switch
18 // |kEnableSuggestionsWithSubstringMatch| is on; otherwise |false|.
19 bool IsFeatureSubstringMatchEnabled();
20
21 // Splits |field_suggestion| into tokens, separated by characters from " .,-_@".
22 // Returns true if |field_content| is a prefix of some token; otherwise false.
23 bool IsContentsPrefixOfSuggestionToken(const base::string16& field_suggestion,
24 const base::string16& field_contents,
25 CaseSensitivity case_sensitivity);
26
27 // Returns |field_contents|'s offset within the |field_suggestion| on successful
28 // match and compute the selection range's |start| and |end| indices; otherwise
29 // returns |base::string16::npos|.
30 base::string16::size_type ComputeRange(const base::string16& field_suggestion,
31 const base::string16& field_contents,
32 size_t* start,
33 size_t* end);
34
35 } // namespace autofill
36
37 #endif // COMPONENTS_AUTOFILL_CORE_COMMON_AUTOFILL_UTIL_H_
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