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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/autofill/autofill_field.h"
#include "base/logging.h"
#include "base/sha1.h"
#include "base/string_util.h"
#include "base/utf_string_conversions.h"
namespace {
static std::string Hash32Bit(const std::string& str) {
std::string hash_bin = base::SHA1HashString(str);
DCHECK_EQ(20U, hash_bin.length());
uint32 hash32 = ((hash_bin[0] & 0xFF) << 24) |
((hash_bin[1] & 0xFF) << 16) |
((hash_bin[2] & 0xFF) << 8) |
(hash_bin[3] & 0xFF);
return UintToString(hash32);
}
} // namespace
AutoFillField::AutoFillField()
: server_type_(NO_SERVER_DATA),
heuristic_type_(UNKNOWN_TYPE) {
}
AutoFillField::AutoFillField(const webkit_glue::FormField& field,
const string16& unique_name)
: webkit_glue::FormField(field),
unique_name_(unique_name),
server_type_(NO_SERVER_DATA),
heuristic_type_(UNKNOWN_TYPE) {
}
AutoFillFieldType AutoFillField::type() const {
if (server_type_ != NO_SERVER_DATA)
return server_type_;
return heuristic_type_;
}
bool AutoFillField::IsEmpty() const {
return value().empty();
}
std::string AutoFillField::FieldSignature() const {
std::string field_name = UTF16ToUTF8(name());
std::string type = UTF16ToUTF8(form_control_type());
std::string field_string = field_name + "&" + type;
return Hash32Bit(field_string);
}
void AutoFillField::set_heuristic_type(const AutoFillFieldType& type) {
DCHECK(type >= 0 && type < MAX_VALID_FIELD_TYPE);
if (type >= 0 && type < MAX_VALID_FIELD_TYPE)
heuristic_type_ = type;
else
heuristic_type_ = UNKNOWN_TYPE;
}
bool AutoFillField::IsFieldFillable() const {
return type() != UNKNOWN_TYPE;
}
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