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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/JsonArray.h>
#include <AK/JsonObject.h>
#include <AK/JsonParser.h>
#include <AK/JsonValue.h>
namespace AK {
JsonValue::JsonValue(Type type)
: m_type(type)
{
}
JsonValue::JsonValue(const JsonValue& other)
{
copy_from(other);
}
JsonValue& JsonValue::operator=(const JsonValue& other)
{
if (this != &other) {
clear();
copy_from(other);
}
return *this;
}
void JsonValue::copy_from(const JsonValue& other)
{
m_type = other.m_type;
switch (m_type) {
case Type::String:
VERIFY(!m_value.as_string);
m_value.as_string = other.m_value.as_string;
m_value.as_string->ref();
break;
case Type::Object:
m_value.as_object = new JsonObject(*other.m_value.as_object);
break;
case Type::Array:
m_value.as_array = new JsonArray(*other.m_value.as_array);
break;
default:
m_value.as_u64 = other.m_value.as_u64;
break;
}
}
JsonValue::JsonValue(JsonValue&& other)
{
m_type = exchange(other.m_type, Type::Null);
m_value.as_u64 = exchange(other.m_value.as_u64, 0);
}
JsonValue& JsonValue::operator=(JsonValue&& other)
{
if (this != &other) {
clear();
m_type = exchange(other.m_type, Type::Null);
m_value.as_u64 = exchange(other.m_value.as_u64, 0);
}
return *this;
}
bool JsonValue::equals(const JsonValue& other) const
{
if (is_null() && other.is_null())
return true;
if (is_bool() && other.is_bool() && as_bool() == other.as_bool())
return true;
if (is_string() && other.is_string() && as_string() == other.as_string())
return true;
#if !defined(KERNEL)
if (is_number() && other.is_number() && to_number<double>() == other.to_number<double>()) {
return true;
}
#else
if (is_number() && other.is_number() && to_number<i64>() == other.to_number<i64>()) {
return true;
}
#endif
if (is_array() && other.is_array() && as_array().size() == other.as_array().size()) {
bool result = true;
for (int i = 0; i < as_array().size(); ++i) {
result &= as_array().at(i).equals(other.as_array().at(i));
}
return result;
}
if (is_object() && other.is_object() && as_object().size() == other.as_object().size()) {
bool result = true;
as_object().for_each_member([&](auto& key, auto& value) {
result &= value.equals(other.as_object().get(key));
});
return result;
}
return false;
}
JsonValue::JsonValue(int value)
: m_type(Type::Int32)
{
m_value.as_i32 = value;
}
JsonValue::JsonValue(unsigned value)
: m_type(Type::UnsignedInt32)
{
m_value.as_u32 = value;
}
JsonValue::JsonValue(long value)
: m_type(sizeof(long) == 8 ? Type::Int64 : Type::Int32)
{
if constexpr (sizeof(long) == 8)
m_value.as_i64 = value;
else
m_value.as_i32 = value;
}
JsonValue::JsonValue(unsigned long value)
: m_type(sizeof(long) == 8 ? Type::UnsignedInt64 : Type::UnsignedInt32)
{
if constexpr (sizeof(long) == 8)
m_value.as_u64 = value;
else
m_value.as_u32 = value;
}
JsonValue::JsonValue(long long value)
: m_type(Type::Int64)
{
static_assert(sizeof(long long unsigned) == 8);
m_value.as_i64 = value;
}
JsonValue::JsonValue(long long unsigned value)
: m_type(Type::UnsignedInt64)
{
static_assert(sizeof(long long unsigned) == 8);
m_value.as_u64 = value;
}
JsonValue::JsonValue(const char* cstring)
: JsonValue(String(cstring))
{
}
#if !defined(KERNEL)
JsonValue::JsonValue(double value)
: m_type(Type::Double)
{
m_value.as_double = value;
}
#endif
JsonValue::JsonValue(bool value)
: m_type(Type::Bool)
{
m_value.as_bool = value;
}
JsonValue::JsonValue(const String& value)
{
if (value.is_null()) {
m_type = Type::Null;
} else {
m_type = Type::String;
m_value.as_string = const_cast<StringImpl*>(value.impl());
m_value.as_string->ref();
}
}
JsonValue::JsonValue(const IPv4Address& value)
: JsonValue(value.to_string())
{
}
JsonValue::JsonValue(const JsonObject& value)
: m_type(Type::Object)
{
m_value.as_object = new JsonObject(value);
}
JsonValue::JsonValue(const JsonArray& value)
: m_type(Type::Array)
{
m_value.as_array = new JsonArray(value);
}
JsonValue::JsonValue(JsonObject&& value)
: m_type(Type::Object)
{
m_value.as_object = new JsonObject(move(value));
}
JsonValue::JsonValue(JsonArray&& value)
: m_type(Type::Array)
{
m_value.as_array = new JsonArray(move(value));
}
void JsonValue::clear()
{
switch (m_type) {
case Type::String:
m_value.as_string->unref();
break;
case Type::Object:
delete m_value.as_object;
break;
case Type::Array:
delete m_value.as_array;
break;
default:
break;
}
m_type = Type::Null;
m_value.as_string = nullptr;
}
Optional<JsonValue> JsonValue::from_string(const StringView& input)
{
return JsonParser(input).parse();
}
}
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