init

src/utils/io.cpp

@@ -0,0 +1,92 @@
+#include <std_include.hpp>
+#include "io.hpp"
+
+namespace utils
+{
+	namespace io
+	{
+		bool remove_file(const std::string& file)
+		{
+			return std::remove(file.data()) == 0;
+		}
+
+		bool move_file(const std::string& src, const std::string& target)
+		{
+			return std::rename(src.data(), target.data()) == 0;
+		}
+
+		bool file_exists(const std::string& file)
+		{
+			return std::ifstream(file).good();
+		}
+
+		bool write_file(const std::string& file, const std::string& data, const bool append)
+		{
+			auto mode = std::ios::binary | std::ofstream::out;
+			if (append)
+			{
+				mode |= std::ofstream::app;
+			}
+
+			std::ofstream stream(file, mode);
+
+			if (stream.is_open())
+			{
+				stream.write(data.data(), static_cast<std::streamsize>(data.size()));
+				stream.close();
+				return true;
+			}
+
+			return false;
+		}
+
+		std::string read_file(const std::string& file)
+		{
+			std::string data;
+			read_file(file, &data);
+			return data;
+		}
+
+		bool read_file(const std::string& file, std::string* data)
+		{
+			if (!data) return false;
+			data->clear();
+
+			if (file_exists(file))
+			{
+				std::ifstream stream(file, std::ios::binary);
+				if (!stream.is_open()) return false;
+
+				stream.seekg(0, std::ios::end);
+				const std::streamsize size = stream.tellg();
+				stream.seekg(0, std::ios::beg);
+
+				if (size > -1)
+				{
+					data->resize(static_cast<std::uint32_t>(size));
+					stream.read(const_cast<char*>(data->data()), size);
+					stream.close();
+					return true;
+				}
+			}
+
+			return false;
+		}
+
+		std::size_t file_size(const std::string& file)
+		{
+			if (file_exists(file))
+			{
+				std::ifstream stream(file, std::ios::binary);
+
+				if (stream.good())
+				{
+					stream.seekg(0, std::ios::end);
+					return static_cast<std::size_t>(stream.tellg());
+				}
+			}
+
+			return 0;
+		}
+	}
+}

src/utils/io.hpp

@@ -0,0 +1,17 @@
+#pragma once
+
+#include <string>
+
+namespace utils
+{
+	namespace io
+	{
+		bool remove_file(const std::string& file);
+		bool move_file(const std::string& src, const std::string& target);
+		bool file_exists(const std::string& file);
+		bool write_file(const std::string& file, const std::string& data, bool append = false);
+		bool read_file(const std::string& file, std::string* data);
+		std::string read_file(const std::string& file);
+		std::size_t file_size(const std::string& file);
+	}
+}

src/utils/string.cpp

@@ -0,0 +1,41 @@
+#include <std_include.hpp>
+#include "string.hpp"
+
+namespace utils::string
+{
+	std::vector<std::string> split(const std::string& s, const char delim)
+	{
+		std::stringstream ss(s);
+		std::string item;
+		std::vector<std::string> elems;
+
+		while (std::getline(ss, item, delim))
+		{
+			elems.push_back(item); // elems.push_back(std::move(item)); // if C++11
+		}
+
+		return elems;
+	}
+
+	std::string to_lower(const std::string& text)
+	{
+		std::string result;
+		std::ranges::transform(text, std::back_inserter(result), [](const unsigned char input)
+		{
+			return static_cast<char>(std::tolower(input));
+		});
+
+		return result;
+	}
+
+	std::string to_upper(const std::string& text)
+	{
+		std::string result;
+		std::ranges::transform(text, std::back_inserter(result), [](const unsigned char input)
+		{
+			return static_cast<char>(std::toupper(input));
+		});
+
+		return result;
+	}
+}

src/utils/string.hpp

@@ -0,0 +1,9 @@
+#pragma once
+
+namespace utils::string
+{
+	std::vector<std::string> split(const std::string& s, char delim);
+
+	std::string to_lower(const std::string& text);
+	std::string to_upper(const std::string& text);
+}