Abstracted FILE handle into a generic data provider class

source/provider/file_provider.cpp

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