1 files changed, 69 insertions, 0 deletions
diff --git a/chrome/browser/autofill/autofill_field.cc b/chrome/browser/autofill/autofill_field.cc
new file mode 100644
index 0000000..3ba943a
--- /dev/null
+++ b/chrome/browser/autofill/autofill_field.cc
@@ -0,0 +1,69 @@
+// Copyright (c) 2010 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) {
+}
+
+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;
+}
+
+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);
+}
+
+bool AutoFillField::IsFieldFillable() const {
+  return type() != UNKNOWN_TYPE;
+}