mirror of https://github.com/WerWolv/ImHex.git
59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
#include "providers/file_provider.hpp"
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#include <cstdio>
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namespace hex::prv {
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FileProvider::FileProvider(std::string_view path) {
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this->m_file = fopen(path.data(), "r+b");
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this->m_readable = true;
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this->m_writable = true;
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if (this->m_file == nullptr) {
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this->m_file = fopen(path.data(), "rb");
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this->m_writable = false;
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}
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}
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FileProvider::~FileProvider() {
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if (this->m_file != nullptr)
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fclose(this->m_file);
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}
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bool FileProvider::isAvailable() {
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return this->m_file != nullptr;
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}
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bool FileProvider::isReadable() {
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return isAvailable() && this->m_readable;
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}
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bool FileProvider::isWritable() {
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return isAvailable() && this->m_writable;
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}
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void FileProvider::read(u64 offset, void *buffer, size_t size) {
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if ((offset + size) > this->getSize() || buffer == nullptr || size == 0)
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return;
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fseek(this->m_file, offset, SEEK_SET);
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fread(buffer, 1, size, this->m_file);
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}
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void FileProvider::write(u64 offset, void *buffer, size_t size) {
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if (buffer == nullptr || size == 0)
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return;
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fseek(this->m_file, offset, SEEK_SET);
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fwrite(buffer, 1, size, this->m_file);
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}
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size_t FileProvider::getSize() {
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fseek(this->m_file, 0, SEEK_END);
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return ftell(this->m_file);
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}
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} |