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// Copyright 2014 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 "components/policy/core/common/mac_util.h"
#include <memory>
#include <string>
#include <utility>
#include "base/mac/foundation_util.h"
#include "base/strings/sys_string_conversions.h"
#include "base/values.h"
using base::mac::CFCast;
namespace policy {
namespace {
// Callback function for CFDictionaryApplyFunction. |key| and |value| are an
// entry of the CFDictionary that should be converted into an equivalent entry
// in the DictionaryValue in |context|.
void DictionaryEntryToValue(const void* key, const void* value, void* context) {
if (CFStringRef cf_key = CFCast<CFStringRef>(key)) {
std::unique_ptr<base::Value> converted =
PropertyToValue(static_cast<CFPropertyListRef>(value));
if (converted) {
const std::string string = base::SysCFStringRefToUTF8(cf_key);
static_cast<base::DictionaryValue*>(context)->Set(string,
std::move(converted));
}
}
}
// Callback function for CFArrayApplyFunction. |value| is an entry of the
// CFArray that should be converted into an equivalent entry in the ListValue
// in |context|.
void ArrayEntryToValue(const void* value, void* context) {
std::unique_ptr<base::Value> converted =
PropertyToValue(static_cast<CFPropertyListRef>(value));
if (converted)
static_cast<base::ListValue*>(context)->Append(std::move(converted));
}
} // namespace
std::unique_ptr<base::Value> PropertyToValue(CFPropertyListRef property) {
if (CFCast<CFNullRef>(property))
return std::make_unique<base::Value>();
if (CFBooleanRef boolean = CFCast<CFBooleanRef>(property)) {
return std::make_unique<base::Value>(
static_cast<bool>(CFBooleanGetValue(boolean)));
}
if (CFNumberRef number = CFCast<CFNumberRef>(property)) {
// CFNumberGetValue() converts values implicitly when the conversion is not
// lossy. Check the type before trying to convert.
if (CFNumberIsFloatType(number)) {
double double_value = 0.0;
if (CFNumberGetValue(number, kCFNumberDoubleType, &double_value)) {
return std::make_unique<base::Value>(double_value);
}
} else {
int int_value = 0;
if (CFNumberGetValue(number, kCFNumberIntType, &int_value)) {
return std::make_unique<base::Value>(int_value);
}
}
}
if (CFStringRef string = CFCast<CFStringRef>(property)) {
return std::make_unique<base::Value>(base::SysCFStringRefToUTF8(string));
}
if (CFDictionaryRef dict = CFCast<CFDictionaryRef>(property)) {
std::unique_ptr<base::DictionaryValue> dict_value(
new base::DictionaryValue());
CFDictionaryApplyFunction(dict, DictionaryEntryToValue, dict_value.get());
return std::move(dict_value);
}
if (CFArrayRef array = CFCast<CFArrayRef>(property)) {
std::unique_ptr<base::ListValue> list_value(new base::ListValue());
CFArrayApplyFunction(array,
CFRangeMake(0, CFArrayGetCount(array)),
ArrayEntryToValue,
list_value.get());
return std::move(list_value);
}
return nullptr;
}
} // namespace policy
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