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AK: Add some classes for JSON encoding.

This patch adds JsonValue, JsonObject and JsonArray. You can use them to
build up a JsonObject and then serialize it to a string via to_string().

This patch only implements encoding, no decoding yet.
This commit is contained in:
Andreas Kling 2019-06-17 19:47:35 +02:00
parent 7ccb84e58e
commit 04a8fc9bd7
7 changed files with 301 additions and 0 deletions

45
AK/JsonObject.h Normal file
View file

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#pragma once
#include <AK/AKString.h>
#include <AK/HashMap.h>
#include <AK/JsonValue.h>
class JsonObject {
public:
JsonObject() { }
~JsonObject() { }
JsonObject(const JsonObject& other)
{
for (auto& it : other.m_members)
m_members.set(it.key, it.value);
}
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, const JsonValue& value)
{
m_members.set(key, value);
}
template<typename Callback>
void for_each_member(Callback callback) const
{
for (auto& it : m_members)
callback(it.key, it.value);
}
String to_string() const;
private:
HashMap<String, JsonValue> m_members;
};