autofill_field.cc revision 3240926e260ce088908e02ac07a6cf7b0c0cbf44
1// Copyright 2013 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/browser/autofill_field.h" 6 7#include "base/logging.h" 8#include "base/sha1.h" 9#include "base/strings/string_number_conversions.h" 10#include "base/strings/utf_string_conversions.h" 11#include "components/autofill/core/browser/autofill_type.h" 12 13namespace { 14 15static std::string Hash32Bit(const std::string& str) { 16 std::string hash_bin = base::SHA1HashString(str); 17 DCHECK_EQ(20U, hash_bin.length()); 18 19 uint32 hash32 = ((hash_bin[0] & 0xFF) << 24) | 20 ((hash_bin[1] & 0xFF) << 16) | 21 ((hash_bin[2] & 0xFF) << 8) | 22 (hash_bin[3] & 0xFF); 23 24 return base::UintToString(hash32); 25} 26 27} // namespace 28 29namespace autofill { 30 31AutofillField::AutofillField() 32 : server_type_(NO_SERVER_DATA), 33 heuristic_type_(UNKNOWN_TYPE), 34 phone_part_(IGNORED) { 35} 36 37AutofillField::AutofillField(const FormFieldData& field, 38 const base::string16& unique_name) 39 : FormFieldData(field), 40 unique_name_(unique_name), 41 server_type_(NO_SERVER_DATA), 42 heuristic_type_(UNKNOWN_TYPE), 43 phone_part_(IGNORED) { 44} 45 46AutofillField::~AutofillField() {} 47 48void AutofillField::set_heuristic_type(ServerFieldType type) { 49 if (type >= 0 && type < MAX_VALID_FIELD_TYPE && 50 type != FIELD_WITH_DEFAULT_VALUE) { 51 heuristic_type_ = type; 52 } else { 53 NOTREACHED(); 54 // This case should not be reachable; but since this has potential 55 // implications on data uploaded to the server, better safe than sorry. 56 heuristic_type_ = UNKNOWN_TYPE; 57 } 58} 59 60void AutofillField::set_server_type(ServerFieldType type) { 61 // Chrome no longer supports fax numbers, but the server still does. 62 if (type >= PHONE_FAX_NUMBER && type <= PHONE_FAX_WHOLE_NUMBER) 63 return; 64 65 server_type_ = type; 66} 67 68AutofillType AutofillField::Type() const { 69 if (server_type_ != NO_SERVER_DATA) 70 return AutofillType(server_type_); 71 72 return AutofillType(heuristic_type_); 73} 74 75bool AutofillField::IsEmpty() const { 76 return value.empty(); 77} 78 79std::string AutofillField::FieldSignature() const { 80 std::string field_name = UTF16ToUTF8(name); 81 std::string field_string = field_name + "&" + form_control_type; 82 return Hash32Bit(field_string); 83} 84 85bool AutofillField::IsFieldFillable() const { 86 return Type().server_type() != UNKNOWN_TYPE; 87} 88 89} // namespace autofill 90