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// Copyright (c) 2011 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 <algorithm>
#include "chrome/browser/autofill/form_group.h"
#include <iterator>
void FormGroup::GetMatchingTypes(const string16& text,
FieldTypeSet* matching_types) const {
if (text.empty()) {
matching_types->insert(EMPTY_TYPE);
return;
}
FieldTypeSet types;
GetSupportedTypes(&types);
for (FieldTypeSet::const_iterator type = types.begin();
type != types.end(); ++type) {
// TODO(isherman): Matches are case-sensitive for now. Let's keep an eye on
// this and decide whether there are compelling reasons to add case-
// insensitivity.
if (GetInfo(*type) == text)
matching_types->insert(*type);
}
}
void FormGroup::GetNonEmptyTypes(FieldTypeSet* non_empty_types) const {
FieldTypeSet types;
GetSupportedTypes(&types);
for (FieldTypeSet::const_iterator type = types.begin();
type != types.end(); ++type) {
if (!GetInfo(*type).empty())
non_empty_types->insert(*type);
}
}
string16 FormGroup::GetCanonicalizedInfo(AutofillFieldType type) const {
return GetInfo(type);
}
bool FormGroup::SetCanonicalizedInfo(AutofillFieldType type,
const string16& value) {
SetInfo(type, value);
return true;
}
const string16 FormGroup::Label() const { return string16(); }
bool FormGroup::operator!=(const FormGroup& form_group) const {
FieldTypeSet a, b, symmetric_difference;
GetNonEmptyTypes(&a);
form_group.GetNonEmptyTypes(&b);
std::set_symmetric_difference(
a.begin(), a.end(),
b.begin(), b.end(),
std::inserter(symmetric_difference, symmetric_difference.begin()));
if (!symmetric_difference.empty())
return true;
return (!IntersectionOfTypesHasEqualValues(form_group));
}
bool FormGroup::IsSubsetOf(const FormGroup& form_group) const {
FieldTypeSet types;
GetNonEmptyTypes(&types);
for (FieldTypeSet::const_iterator iter = types.begin(); iter != types.end();
++iter) {
if (StringToLowerASCII(GetInfo(*iter)) !=
StringToLowerASCII(form_group.GetInfo(*iter)))
return false;
}
return true;
}
bool FormGroup::IntersectionOfTypesHasEqualValues(
const FormGroup& form_group) const {
FieldTypeSet a, b, intersection;
GetNonEmptyTypes(&a);
form_group.GetNonEmptyTypes(&b);
std::set_intersection(a.begin(), a.end(),
b.begin(), b.end(),
std::inserter(intersection, intersection.begin()));
// An empty intersection can't have equal values.
if (intersection.empty())
return false;
for (FieldTypeSet::const_iterator iter = intersection.begin();
iter != intersection.end(); ++iter) {
if (StringToLowerASCII(GetInfo(*iter)) !=
StringToLowerASCII(form_group.GetInfo(*iter)))
return false;
}
return true;
}
void FormGroup::MergeWith(const FormGroup& form_group) {
FieldTypeSet a, b, intersection;
GetNonEmptyTypes(&a);
form_group.GetNonEmptyTypes(&b);
std::set_difference(b.begin(), b.end(),
a.begin(), a.end(),
std::inserter(intersection, intersection.begin()));
for (FieldTypeSet::const_iterator iter = intersection.begin();
iter != intersection.end(); ++iter) {
SetInfo(*iter, form_group.GetInfo(*iter));
}
}
void FormGroup::OverwriteWith(const FormGroup& form_group) {
FieldTypeSet a;;
form_group.GetNonEmptyTypes(&a);
for (FieldTypeSet::const_iterator iter = a.begin(); iter != a.end(); ++iter) {
SetInfo(*iter, form_group.GetInfo(*iter));
}
}
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