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KF2-Dev-Scripts/Engine/Classes/JsonObject.uc
2020-12-13 18:01:13 +03:00

118 lines
2.7 KiB
Ucode

/**
* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
*
* This is a generic JSON object in unrealscript
*/
class JsonObject extends Object
native;
/// COMMENT!!
var native Map_Mirror ValueMap{TMap<FString, FString>};
var native Map_Mirror ObjectMap{TMap<FString, UJsonObject*>};
var native array<string> ValueArray;
var native array<JsonObject> ObjectArray;
/**
* Looks up an object with the given key in the ObjectMap
*
* @param Key The key to search for
*
* @return A subobject/array inside this object
*/
native function JsonObject GetObject(const string Key);
/**
* Looks up a value with the given key in the ObjectMap. If it was a number
* in the Json string, this will be prepended with \# (see below helpers)
*
* @param Key The key to search for
*
* @return A string value
*/
native function string GetStringValue(const string Key);
/**
* @param Key the key to check on this object
*
* @return true if the key exists, false otherwise
*/
native function bool HasKey(const string Key);
/**
* Helper functions to convert special strings that the decoder will make from numbers
*/
event int GetIntValue(const string Key)
{
local string Value;
// look up the key, and skip the \#
Value = Mid(GetStringValue(Key), 2);
return int(Value);
}
event float GetFloatValue(const string Key)
{
local string Value;
// look up the key, and skip the \#
Value = Mid(GetStringValue(Key), 2);
return float(Value);
}
event bool GetBoolValue(const string Key)
{
local string Value;
// look up the key, and skip the \#
Value = Mid(GetStringValue(Key), 2);
return bool(Value);
}
/**
* Set an object
*/
native function SetObject(const string Key, JsonObject Object);
native function SetStringValue(const string Key, const string Value);
/**
* Helper functions to make special strings that the encoder will turn into numbers
*/
event SetIntValue(const string Key, int Value)
{
SetStringValue(Key, "\\#" $ Value);
}
event SetFloatValue(const string Key, float Value)
{
SetStringValue(Key, "\\#" $ Value);
}
event SetBoolValue(const string Key, bool Value)
{
SetStringValue(Key, "\\#" $ (Value ? "true" : "false"));
}
/**
* Encodes an object hierarchy to a string suitable for sending over the web
*
* @param Root The toplevel object in the hierarchy
*
* @return A well-formatted Json string
*/
static native function string EncodeJson(JsonObject Root);
/**
* Decodes a Json string into an object hierarchy (all needed objects will be created)
*
* @param Str A Json string (probably received from the web)
*
* @return The root object of the resulting hierarchy
*/
static native function JsonObject DecodeJson(const string Str);