Put everything back.

ctrtool/deps/libtoolchain/include/tc/io/ISource.h

@@ -0,0 +1,39 @@
+	/**
+	 * @file ISource.h
+	 * @brief Declaration of tc::io::ISource
+	 * @author Jack (jakcron)
+	 * @version 0.1
+	 * @date 2020/01/27
+	 **/
+#pragma once
+#include <tc/types.h>
+#include <tc/ResourceStatus.h>
+#include <tc/ByteData.h>
+
+namespace tc { namespace io {
+
+	/**
+	 * @class ISource
+	 * @brief An interface defining a byte data source.
+	 **/
+class ISource
+{
+public:
+		/// Destructor
+	virtual ~ISource() = default;
+
+		/// Gets the length of the source.
+	virtual int64_t length() = 0;
+
+		/**
+		 * @brief Pull data from the source.
+		 * 
+		 * @param[in] offset Zero-based offset in source to pull data.
+		 * @param[in] count The maximum number of bytes to be pull from the source.
+		 *
+		 * @return ByteData containing data pulled from source.
+		 **/
+	virtual tc::ByteData pullData(int64_t offset, size_t count) = 0;
+};
+
+}} // namespace tc::io