mirror of
https://github.com/love2d/love.git
synced 2026-08-15 15:51:12 +02:00
Alex Szpakowski
144 lines
3.1 KiB
C++
144 lines
3.1 KiB
C++
/**
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* Copyright (c) 2006-2022 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#include <memory>
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#include "Variant.h"
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#include "common/StringMap.h"
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namespace love
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{
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Variant::Variant(Type vtype)
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: type(vtype)
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{}
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Variant::Variant()
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: type(NIL)
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{}
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Variant::Variant(bool boolean)
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: type(BOOLEAN)
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{
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data.boolean = boolean;
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}
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Variant::Variant(double number)
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: type(NUMBER)
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{
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data.number = number;
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}
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Variant::Variant(const char *str, size_t len)
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{
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if (len <= MAX_SMALL_STRING_LENGTH)
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{
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type = SMALLSTRING;
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memcpy(data.smallstring.str, str, len);
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data.smallstring.len = (uint8) len;
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}
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else
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{
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type = STRING;
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data.string = new SharedString(str, len);
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}
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}
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Variant::Variant(const std::string &str)
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: Variant(str.c_str(), str.length())
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{
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}
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Variant::Variant(void *lightuserdata)
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: type(LUSERDATA)
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{
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data.userdata = lightuserdata;
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}
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Variant::Variant(love::Type *lovetype, love::Object *object)
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: type(LOVEOBJECT)
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{
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data.objectproxy.type = lovetype;
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data.objectproxy.object = object;
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if (data.objectproxy.object != nullptr)
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data.objectproxy.object->retain();
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}
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// Variant gets ownership of the vector.
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Variant::Variant(SharedTable *table)
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: type(TABLE)
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{
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data.table = table;
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}
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Variant::Variant(const Variant &v)
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: type(v.type)
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, data(v.data)
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{
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if (type == STRING)
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data.string->retain();
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else if (type == LOVEOBJECT && data.objectproxy.object != nullptr)
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data.objectproxy.object->retain();
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else if (type == TABLE)
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data.table->retain();
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}
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Variant::Variant(Variant &&v)
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: type(std::move(v.type))
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, data(std::move(v.data))
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{
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v.type = NIL;
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}
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Variant::~Variant()
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{
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if (type == STRING)
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data.string->release();
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else if (type == LOVEOBJECT && data.objectproxy.object != nullptr)
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data.objectproxy.object->release();
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else if (type == TABLE)
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data.table->release();
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}
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Variant &Variant::operator = (const Variant &v)
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{
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if (v.type == STRING)
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v.data.string->retain();
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else if (v.type == LOVEOBJECT && v.data.objectproxy.object != nullptr)
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v.data.objectproxy.object->retain();
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else if (v.type == TABLE)
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v.data.table->retain();
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if (type == STRING)
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data.string->release();
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else if (type == LOVEOBJECT && data.objectproxy.object != nullptr)
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data.objectproxy.object->release();
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else if (type == TABLE)
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data.table->release();
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type = v.type;
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data = v.data;
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return *this;
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}
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} // love
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