FileHanlder.cpp

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#include <string>
 
#include "Engine/Files/FileHandler.h"
#include <vector>
#include <iostream>
#include <fstream>
#include <plog/Log.h>
 
std::vector<char> FileHandler::readFile(const std::string &filename) {
    PLOGI << "Reading file: " << filename;
 
    
    // ate means at the end and binary means read it as binary to avoid conversion
    std::ifstream file(filename, std::ios::ate | std::ios::binary);
 
    if (!file.is_open()) {
        std::stringstream ss;
        ss << "Failed to open file: " << filename;
        throw std::runtime_error(ss.str());
    }
 
    // starting at the end of the file give me a character count which is now the size of the buffer
    size_t fileSize = file.tellg();
    std::vector<char> buffer(fileSize);
 
    PLOGI << "File size: " << fileSize;
 
    // go back to the beginning and read the file
    file.seekg(0);
    file.read(buffer.data(), fileSize);
 
    file.close();
    PLOGI << "File read successfully!";
    return buffer;
}
 
std::ifstream FileHandler::readFileAsStream(const std::filesystem::path &path) {
    std::ifstream file(path);
    return file;
}