2 files changed, 74 insertions, 0 deletions
diff --git a/src/errors/RLE_reader.hpp b/src/errors/RLE_reader.hpp
new file mode 100644
index 0000000..39b4ddb
--- /dev/null
+++ b/src/errors/RLE_reader.hpp
@@ -0,0 +1,19 @@
+#pragma once
+
+#include <fmt/core.h>
+
+#include <filesystem>
+#include <stdexcept>
+#include <string_view>
+
+class InvalidRLEFileError : public std::runtime_error
+{
+public:
+	explicit InvalidRLEFileError(
+		const std::filesystem::path &path,
+		const std::string_view &reason) noexcept
+		: std::runtime_error(
+			  fmt::format("Invalid RLE file '{}'. {}", path.string(), reason))
+	{
+	}
+};
diff --git a/src/errors/io.hpp b/src/errors/io.hpp
new file mode 100644
index 0000000..1d0aec3
--- /dev/null
+++ b/src/errors/io.hpp
@@ -0,0 +1,55 @@
+#pragma once
+
+#include "util/fs.hpp"
+
+#include <fmt/core.h>
+
+#include <filesystem>
+#include <stdexcept>
+#include <string>
+
+class IOError : public std::runtime_error
+{
+public:
+	IOError() noexcept : std::runtime_error("Unknown IO error") {}
+
+	explicit IOError(const std::string &error_message) noexcept
+		: std::runtime_error(error_message)
+	{
+	}
+};
+
+class NoSuchFileOrDirectoryError : public IOError
+{
+public:
+	explicit NoSuchFileOrDirectoryError(const std::filesystem::path &path) noexcept
+		: IOError(
+			  fmt::format("No file or directory exists with path '{}'", path.string()))
+	{
+	}
+};
+
+class WrongFileTypeError : public IOError
+{
+public:
+	explicit WrongFileTypeError(
+		const std::filesystem::path &path,
+		std::filesystem::file_type expected_file_type,
+		std::filesystem::file_type actual_file_type) noexcept
+		: IOError(fmt::format(
+			  "Wrong file type of file with path '{}'. Expected {}, is {}",
+			  path.string(),
+			  file_type_names.at(expected_file_type),
+			  file_type_names.at(actual_file_type)))
+	{
+	}
+};
+
+class FileNotOpenError : public IOError
+{
+public:
+	explicit FileNotOpenError(const std::filesystem::path &path) noexcept
+		: IOError(fmt::format("Failed to open file with path '{}'", path.string()))
+	{
+	}
+};