ladybird/AK/JsonObject.h
Andreas Kling 82826104e0 Json: Add efficient copy and move constructors for Json{Array,Object}
This helps avoid copying JsonValues during parsing.
2019-08-04 11:45:16 +02:00

75 lines
1.5 KiB
C++

#pragma once
#include <AK/AKString.h>
#include <AK/HashMap.h>
#include <AK/JsonValue.h>
namespace AK {
class JsonObject {
public:
JsonObject() { }
~JsonObject() {}
JsonObject(const JsonObject& other)
: m_members(other.m_members)
{
}
JsonObject(JsonObject&& other)
: m_members(move(other.m_members))
{
}
JsonObject& operator=(const JsonObject& other)
{
if (this != &other)
m_members = other.m_members;
return *this;
}
JsonObject& operator=(JsonObject&& other)
{
if (this != &other)
m_members = move(other.m_members);
return *this;
}
int size() const { return m_members.size(); }
bool is_empty() const { return m_members.is_empty(); }
JsonValue get(const String& key) const
{
auto it = m_members.find(key);
if (it == m_members.end())
return JsonValue(JsonValue::Type::Undefined);
return (*it).value;
}
void set(const String& key, JsonValue&& value)
{
m_members.set(key, move(value));
}
void set(const String& key, const JsonValue& value)
{
m_members.set(key, JsonValue(value));
}
template<typename Callback>
void for_each_member(Callback callback) const
{
for (auto& it : m_members)
callback(it.key, it.value);
}
String serialized() const;
void serialize(StringBuilder&) const;
private:
HashMap<String, JsonValue> m_members;
};
}
using AK::JsonObject;