MassBuilderSaveTool/src/BinaryIo/Reader.cpp

151 lines
3.3 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 <cstring>
#include <Corrade/Containers/Array.h>
#include <Corrade/Containers/String.h>
#include "../Logger/Logger.h"
#include "Reader.h"
namespace BinaryIo {
Reader::Reader(Containers::StringView filename) {
_file = std::fopen(filename.data(), "rb");
if(!_file) {
LOG_ERROR_FORMAT("Couldn't open {} for reading: {}", filename, std::strerror(errno));
}
}
Reader::~Reader() {
closeFile();
}
bool
Reader::open() {
return _file;
}
bool
Reader::eof() {
return std::feof(_file) != 0;
}
std::int64_t
Reader::position() {
return _ftelli64(_file);
}
bool
Reader::seek(std::int64_t position) {
return _fseeki64(_file, position, SEEK_SET) == 0;
}
void
Reader::closeFile() {
std::fclose(_file);
_file = nullptr;
}
bool
Reader::readChar(char& value) {
return std::fread(&value, sizeof(char), 1, _file) == 1;
}
bool
Reader::readInt8(std::int8_t& value) {
return std::fread(&value, sizeof(std::int8_t), 1, _file) == 1;
}
bool
Reader::readUint8(std::uint8_t& value) {
return std::fread(&value, sizeof(std::uint8_t), 1, _file) == 1;
}
bool
Reader::readInt16(std::int16_t& value) {
return std::fread(&value, sizeof(std::int16_t), 1, _file) == 1;
}
bool
Reader::readUint16(std::uint16_t& value) {
return std::fread(&value, sizeof(std::uint16_t), 1, _file) == 1;
}
bool
Reader::readInt32(std::int32_t& value) {
return std::fread(&value, sizeof(std::int32_t), 1, _file) == 1;
}
bool
Reader::readUint32(std::uint32_t& value) {
return std::fread(&value, sizeof(std::uint32_t), 1, _file) == 1;
}
bool
Reader::readInt64(std::int64_t& value) {
return std::fread(&value, sizeof(std::int64_t), 1, _file) == 1;
}
bool
Reader::readUint64(std::uint64_t& value) {
return std::fread(&value, sizeof(std::uint64_t), 1, _file) == 1;
}
bool
Reader::readFloat(float& value) {
return std::fread(&value, sizeof(float), 1, _file) == 1;
}
bool
Reader::readDouble(double& value) {
return std::fread(&value, sizeof(double), 1, _file) == 1;
}
bool
Reader::readArray(Containers::Array<char>& array, std::size_t count) {
if(array.size() < count) {
array = Containers::Array<char>{ValueInit, count};
}
return std::fread(array.data(), sizeof(char), count, _file) == count;
}
bool
Reader::readUEString(Containers::String& str) {
std::uint32_t length = 0;
if(!readUint32(length) || length == 0) {
return false;
}
str = Containers::String{ValueInit, length - 1};
return std::fread(str.data(), sizeof(char), length, _file) == length;
}
std::int32_t
Reader::peekChar() {
std::int32_t c;
c = std::fgetc(_file);
std::ungetc(c, _file);
return c;
}
}