inferno/src/inferno/io/file.h

#pragma once

#include <fstream> // std::ifstream, std::ofstream
#include <iomanip> // std::setfill, std::setw
#include <memory>  // std::shared_ptr
#include <string>  // std::string

#include "inferno/core.h"
#include "inferno/io/log.h"
#include "ruc/meta/assert.h"

namespace Inferno {

class File {
public:
	static std::shared_ptr<char[]> raw(const std::string& path);
	static std::string read(const std::string& path);
	static int32_t length(const std::string& path, std::ifstream& file);

	template<typename T>
	static bool ioRead(T* t, const std::string& path)
	{
		std::ifstream file(path);
		VERIFY(file.is_open(), "File could not open '{}'", path);

		if (!file.is_open()) {
			return false;
		}

		try {
			file >> *t;
		}
		catch (...) {
			return false;
		}

		return true;
	}

	template<typename T>
	static bool ioWrite(T* t, const std::string& path)
	{
		std::ofstream file(path);
		VERIFY(file.is_open(), "File could not open! {}", path);

		if (!file.is_open()) {
			return false;
		}

		try {
			// Write file with single tabs, nicely formatted
			file << std::setfill('\t') << std::setw(1) << *t << std::endl;
		}
		catch (...) {
			return false;
		}

		return true;
	}
};

} // namespace Inferno