122 lines
2.9 KiB
C++
122 lines
2.9 KiB
C++
#include <hex/helpers/file.hpp>
|
|
#include <unistd.h>
|
|
|
|
namespace hex {
|
|
|
|
File::File(const fs::path &path, Mode mode) noexcept : m_path(path) {
|
|
if (mode == File::Mode::Read)
|
|
this->m_file = fopen64(path.string().c_str(), "rb");
|
|
else if (mode == File::Mode::Write)
|
|
this->m_file = fopen64(path.string().c_str(), "r+b");
|
|
|
|
if (mode == File::Mode::Create || (mode == File::Mode::Write && this->m_file == nullptr))
|
|
this->m_file = fopen64(path.string().c_str(), "w+b");
|
|
}
|
|
|
|
File::File() noexcept {
|
|
this->m_file = nullptr;
|
|
}
|
|
|
|
File::File(File &&other) noexcept {
|
|
this->m_file = other.m_file;
|
|
other.m_file = nullptr;
|
|
}
|
|
|
|
File::~File() {
|
|
this->close();
|
|
}
|
|
|
|
File &File::operator=(File &&other) noexcept {
|
|
this->m_file = other.m_file;
|
|
other.m_file = nullptr;
|
|
|
|
this->m_path = std::move(other.m_path);
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
void File::seek(u64 offset) {
|
|
fseeko64(this->m_file, offset, SEEK_SET);
|
|
}
|
|
|
|
void File::close() {
|
|
if (isValid()) {
|
|
fclose(this->m_file);
|
|
this->m_file = nullptr;
|
|
}
|
|
}
|
|
|
|
size_t File::readBuffer(u8 *buffer, size_t size) {
|
|
if (!isValid()) return 0;
|
|
|
|
return fread(buffer, size, 1, this->m_file);
|
|
}
|
|
|
|
std::vector<u8> File::readBytes(size_t numBytes) {
|
|
if (!isValid()) return {};
|
|
|
|
auto size = numBytes ?: getSize();
|
|
std::vector<u8> bytes(size);
|
|
auto bytesRead = fread(bytes.data(), 1, bytes.size(), this->m_file);
|
|
|
|
bytes.resize(bytesRead);
|
|
|
|
return bytes;
|
|
}
|
|
|
|
std::string File::readString(size_t numBytes) {
|
|
if (!isValid()) return {};
|
|
|
|
if (getSize() == 0) return {};
|
|
|
|
auto bytes = readBytes(numBytes);
|
|
|
|
return { reinterpret_cast<char *>(bytes.data()), bytes.size() };
|
|
}
|
|
|
|
void File::write(const u8 *buffer, size_t size) {
|
|
if (!isValid()) return;
|
|
|
|
fwrite(buffer, size, 1, this->m_file);
|
|
}
|
|
|
|
void File::write(const std::vector<u8> &bytes) {
|
|
if (!isValid()) return;
|
|
|
|
fwrite(bytes.data(), 1, bytes.size(), this->m_file);
|
|
}
|
|
|
|
void File::write(const std::string &string) {
|
|
if (!isValid()) return;
|
|
|
|
fwrite(string.data(), string.size(), 1, this->m_file);
|
|
}
|
|
|
|
size_t File::getSize() const {
|
|
if (!isValid()) return 0;
|
|
|
|
auto startPos = ftello64(this->m_file);
|
|
fseeko64(this->m_file, 0, SEEK_END);
|
|
size_t size = ftello64(this->m_file);
|
|
fseeko64(this->m_file, startPos, SEEK_SET);
|
|
|
|
return size;
|
|
}
|
|
|
|
void File::setSize(u64 size) {
|
|
if (!isValid()) return;
|
|
|
|
ftruncate64(fileno(this->m_file), size);
|
|
}
|
|
|
|
void File::flush() {
|
|
fflush(this->m_file);
|
|
}
|
|
|
|
void File::remove() {
|
|
this->close();
|
|
std::remove(this->m_path.string().c_str());
|
|
}
|
|
|
|
} |