MassBuilderSaveTool/src/Gvas/Serialisers/IntProperty.cpp

77 lines
2.4 KiB
C++

// MassBuilderSaveTool
// Copyright (C) 2021-2024 Guillaume Jacquemin
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
#include "../../BinaryIo/Reader.h"
#include "../../BinaryIo/Writer.h"
#include "../../Logger/Logger.h"
#include "IntProperty.h"
namespace Gvas { namespace Serialisers {
Types::UnrealPropertyBase::ptr
IntProperty::deserialiseProperty(Containers::StringView name, Containers::StringView type, std::size_t value_length,
BinaryIo::Reader& reader, PropertySerialiser& serialiser)
{
auto prop = Containers::pointer<Types::IntProperty>();
if(value_length == std::size_t(-1)) {
if(!reader.readInt32(prop->value)) {
LOG_ERROR("Couldn't read int property's value.");
return nullptr;
}
prop->valueLength = std::size_t(-1);
return prop;
}
char terminator;
if(!reader.readChar(terminator) || terminator != '\0') {
LOG_ERROR_FORMAT("Couldn't read a null byte in int property {}.", name);
return nullptr;
}
if(!reader.readInt32(prop->value)) {
LOG_ERROR_FORMAT("Couldn't read int property {}'s value.", name);
return nullptr;
}
prop->name.emplace(name);
return prop;
}
bool
IntProperty::serialiseProperty(Types::UnrealPropertyBase::ptr& prop, std::size_t& bytes_written,
BinaryIo::Writer& writer, PropertySerialiser& serialiser)
{
auto int_prop = dynamic_cast<Types::IntProperty*>(prop.get());
if(!int_prop) {
LOG_ERROR("The property is not a valid int property.");
return false;
}
if(prop->valueLength != std::size_t(-1)) {
writer.writeValueToArray<char>('\0');
}
bytes_written += writer.writeValueToArray<std::int32_t>(int_prop->value);
return true;
}
}}