Core: Add OutputStream class

Former-commit-id: a6b8f642e263833c75a338cc23266c94edbced6f

include/Nazara/Core/File.hpp

@@ -12,6 +12,7 @@
 #include <Nazara/Core/Directory.hpp>
 #include <Nazara/Core/Endianness.hpp>
 #include <Nazara/Core/InputStream.hpp>
+#include <Nazara/Core/OutputStream.hpp>
 #include <Nazara/Core/String.hpp>
 
 #if NAZARA_CORE_THREADSAFE && NAZARA_THREADSAFETY_FILE
@@ -26,7 +27,7 @@ namespace Nz
 {
 	class FileImpl;
 
-	class NAZARA_CORE_API File : public InputStream
+	class NAZARA_CORE_API File : public InputStream, public OutputStream
 	{
 		public:
 			File();
@@ -42,38 +43,38 @@ namespace Nz
 			bool Delete();
 
 			bool EndOfFile() const;
-			bool EndOfStream() const;
+			bool EndOfStream() const override;
 
 			bool Exists() const;
 
-			void Flush();
+			void Flush() override;
 
 			time_t GetCreationTime() const;
-			UInt64 GetCursorPos() const;
-			String GetDirectory() const;
+			UInt64 GetCursorPos() const override;
+			String GetDirectory() const override;
 			String GetFileName() const;
 			time_t GetLastAccessTime() const;
 			time_t GetLastWriteTime() const;
-			String GetPath() const;
-			UInt64 GetSize() const;
+			String GetPath() const override;
+			UInt64 GetSize() const override;
 
 			bool IsOpen() const;
 
 			bool Open(unsigned int openMode = OpenMode_Current);
 			bool Open(const String& filePath, unsigned int openMode = OpenMode_Current);
 
-			std::size_t Read(void* buffer, std::size_t size);
+			std::size_t Read(void* buffer, std::size_t size) override;
 			std::size_t Read(void* buffer, std::size_t typeSize, unsigned int count);
 			bool Rename(const String& newFilePath);
 
 			bool SetCursorPos(CursorPosition pos, Int64 offset = 0);
-			bool SetCursorPos(UInt64 offset);
+			bool SetCursorPos(UInt64 offset) override;
 			void SetEndianness(Endianness endianness);
 			bool SetFile(const String& filePath);
 			bool SetOpenMode(unsigned int openMode);
 
-			bool Write(const Nz::ByteArray& byteArray);
-			bool Write(const String& string);
+			using OutputStream::Write;
+			std::size_t Write(const void* buffer, std::size_t size) override;
 			std::size_t Write(const void* buffer, std::size_t typeSize, unsigned int count);
 
 			File& operator=(const String& filePath);

include/Nazara/Core/InputStream.hpp

@@ -12,7 +12,7 @@
 
 namespace Nz
 {
-	class NAZARA_CORE_API InputStream : public Stream
+	class NAZARA_CORE_API InputStream : public virtual Stream
 	{
 		public:
 			virtual ~InputStream();

include/Nazara/Core/OutputStream.hpp

@@ -0,0 +1,28 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Core module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_OUTPUTSTREAM_HPP
+#define NAZARA_OUTPUTSTREAM_HPP
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Core/Stream.hpp>
+
+namespace Nz
+{
+	class NAZARA_CORE_API OutputStream : public virtual Stream
+	{
+		public:
+			virtual ~OutputStream();
+
+			virtual void Flush() = 0;
+
+			bool Write(const ByteArray& byteArray);
+			bool Write(const String& string);
+			virtual std::size_t Write(const void* buffer, std::size_t size) = 0;
+	};
+}
+
+#endif // NAZARA_OUTPUTSTREAM_HPP

src/Nazara/Core/File.cpp

@@ -416,33 +416,16 @@ namespace Nz
 		return true;
 	}
 
-	bool File::Write(const ByteArray& byteArray)
+	std::size_t File::Write(const void* buffer, std::size_t size)
 	{
-		ByteArray::size_type size = byteArray.GetSize();
-		return Write(byteArray.GetConstBuffer(), 1, size) == size;
-	}
+		NazaraAssert(IsOpen(), "File is not open");
+		NazaraAssert(m_openMode & OpenMode_ReadWrite || m_openMode & OpenMode_WriteOnly, "File not opened with write access");
+		NazaraLock(m_mutex)
 
-	bool File::Write(const String& string)
-	{
-		String temp(string);
+		if (!buffer || size == 0)
+			return 0;
 
-		if (m_streamOptions & StreamOption_Text)
-		{
-			#if defined(NAZARA_PLATFORM_WINDOWS)
-			temp.Replace("\n", "\r\n");
-			#elif defined(NAZARA_PLATFORM_LINUX)
-			// Rien à faire
-			#elif defined(NAZARA_PLATFORM_MACOS)
-			temp.Replace('\n', '\r');
-			#else
-				#error OS not handled
-			#endif
-		}
-
-		unsigned int size = temp.GetSize();
-		std::size_t bytesWritten = Write(temp.GetBuffer(), sizeof(char), size);
-
-		return bytesWritten == size*sizeof(char);
+		return m_impl->Write(buffer, size);
 	}
 
 	std::size_t File::Write(const void* buffer, std::size_t typeSize, unsigned int count)

src/Nazara/Core/OutputStream.cpp

@@ -0,0 +1,40 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Core module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Core/OutputStream.hpp>
+#include <Nazara/Core/ByteArray.hpp>
+#include <Nazara/Core/Error.hpp>
+#include <Nazara/Core/String.hpp>
+#include <cstring>
+#include <Nazara/Core/Debug.hpp>
+
+namespace Nz
+{
+	OutputStream::~OutputStream() = default;
+
+	bool OutputStream::Write(const ByteArray& byteArray)
+	{
+		ByteArray::size_type size = byteArray.GetSize();
+		return Write(byteArray.GetConstBuffer(), size) == size;
+	}
+
+	bool OutputStream::Write(const String& string)
+	{
+		String temp(string);
+
+		if (m_streamOptions & StreamOption_Text)
+		{
+			#if defined(NAZARA_PLATFORM_WINDOWS)
+			temp.Replace("\n", "\r\n");
+			#elif defined(NAZARA_PLATFORM_LINUX)
+			// Nothing to do
+			#elif defined(NAZARA_PLATFORM_MACOS)
+			temp.Replace('\n', '\r');
+			#endif
+		}
+
+		std::size_t size = temp.GetSize();
+		return Write(temp.GetConstBuffer(), size) == size;
+	}
+}

src/Nazara/Core/String.cpp

@@ -4205,7 +4205,6 @@ namespace Nz
 	const std::shared_ptr<String::SharedString>& String::GetEmptyString()
 	{
 		static auto emptyString = std::make_shared<SharedString>();
-
 		return emptyString;
 	}