BigEndianOStream

CMakeLists.txt

@@ -40,7 +40,8 @@ set(POMME_SOURCES
 	${POMME_SRCDIR}/Sound/xlaw.cpp
 	${POMME_SRCDIR}/Text/TextUtilities.cpp
 	${POMME_SRCDIR}/Time/TimeManager.cpp
-	${POMME_SRCDIR}/Utilities/BigEndianIStream.cpp
+	${POMME_SRCDIR}/Utilities/bigendianstreams.cpp
+	${POMME_SRCDIR}/Utilities/bigendianstreams.h
 	${POMME_SRCDIR}/Utilities/FixedPool.h
 	${POMME_SRCDIR}/Utilities/GrowablePool.h
 	${POMME_SRCDIR}/Utilities/IEEEExtended.cpp

src/Files/Files.cpp

@@ -1,5 +1,5 @@
 #include "Pomme.h"
-#include "Utilities/BigEndianIStream.h"
+#include "Utilities/bigendianstreams.h"
 #include "Utilities/GrowablePool.h"
 #include "Utilities/memstream.h"
 #include "PommeFiles.h"

src/Files/HostVolume.cpp

@@ -2,7 +2,7 @@
 #include "PommeDebug.h"
 #include "PommeFiles.h"
 #include "Files/HostVolume.h"
-#include "Utilities/BigEndianIStream.h"
+#include "Utilities/bigendianstreams.h"
 #include "Utilities/StringUtils.h"
 
 #include <fstream>

src/Files/Resources.cpp

@@ -1,6 +1,6 @@
 #include "Pomme.h"
 #include "PommeFiles.h"
-#include "Utilities/BigEndianIStream.h"
+#include "Utilities/bigendianstreams.h"
 
 #include <algorithm>
 #include <fstream>

src/Graphics/PICT.cpp

@@ -1,6 +1,6 @@
 #include "Pomme.h"
 #include "PommeGraphics.h"
-#include "Utilities/BigEndianIStream.h"
+#include "Utilities/bigendianstreams.h"
 
 #include <list>
 #include <fstream>

src/QD3D/3DMFInternal.h

@@ -7,7 +7,7 @@
 #include <map>
 #include <cstring>
 #include <QD3D/QD3D.h>
-#include "Utilities/BigEndianIStream.h"
+#include "Utilities/bigendianstreams.h"
 
 struct Q3MetaFileTOCEntry
 {

src/Sound/AIFF.cpp

@@ -1,5 +1,5 @@
 #include "PommeSound.h"
-#include "Utilities/BigEndianIStream.h"
+#include "Utilities/bigendianstreams.h"
 #include <cstdint>
 
 static void AIFFAssert(bool condition, const char* message)

src/Sound/SoundManager.cpp

@@ -2,7 +2,7 @@
 #include "PommeFiles.h"
 #include "Sound/cmixer.h"
 #include "PommeSound.h"
-#include "Utilities/BigEndianIStream.h"
+#include "Utilities/bigendianstreams.h"
 #include "Utilities/memstream.h"
 
 #include <thread>

src/Text/TextUtilities.cpp

@@ -4,7 +4,7 @@
 
 #include <cstring>
 #include <Utilities/memstream.h>
-#include <Utilities/BigEndianIStream.h>
+#include <Utilities/bigendianstreams.h>
 
 void NumToString(long theNum, Str255 theString)
 {

src/Utilities/bigendianstreams.cpp

@@ -1,4 +1,4 @@
-#include "Utilities/BigEndianIStream.h"
+#include "Utilities/bigendianstreams.h"
 #include "Utilities/IEEEExtended.h"
 
 Pomme::StreamPosGuard::StreamPosGuard(std::istream& theStream) :
@@ -21,6 +21,8 @@ void Pomme::StreamPosGuard::Cancel()
 	active = false;
 }
 
+// ----------------------------------------------------------------------------
+
 Pomme::BigEndianIStream::BigEndianIStream(std::istream& theStream) :
 	stream(theStream)
 {
@@ -83,3 +85,46 @@ Pomme::StreamPosGuard Pomme::BigEndianIStream::GuardPos()
 {
 	return Pomme::StreamPosGuard(stream);
 }
+
+// ----------------------------------------------------------------------------
+
+Pomme::BigEndianOStream::BigEndianOStream(std::ostream& theStream) :
+	stream(theStream)
+{
+}
+
+void Pomme::BigEndianOStream::Write(const char* src, size_t n)
+{
+	stream.write(src, n);
+}
+
+void Pomme::BigEndianOStream::WritePascalString(const std::string& text, int padToAlignment)
+{
+	int length = text.length();
+	if (length > 255)
+	{
+		throw std::out_of_range("WritePascalString: must be <255 characters!");
+	}
+	Write<uint8_t>(length);
+	Write(text.data(), length);
+
+	int padding = (length + 1) % padToAlignment;
+	for (int i = 0; i < padding; i++)
+		Write<uint8_t>(0);
+}
+
+void Pomme::BigEndianOStream::WriteRawString(const std::string& text)
+{
+	Write(text.data(), text.length());
+}
+
+void Pomme::BigEndianOStream::Goto(std::streamoff absoluteOffset)
+{
+	stream.seekp(absoluteOffset, std::ios_base::beg);
+}
+
+std::streampos Pomme::BigEndianOStream::Tell() const
+{
+	return stream.tellp();
+}
+

src/Utilities/bigendianstreams.h

@@ -22,8 +22,6 @@ namespace Pomme
 
 	class BigEndianIStream
 	{
-		std::istream& stream;
-
 	public:
 		BigEndianIStream(std::istream& theStream);
 
@@ -58,5 +56,40 @@ namespace Pomme
 #endif
 			return *(T*) b;
 		}
+	
+	private:
+		std::istream& stream;
+	};
+
+	class BigEndianOStream
+	{
+	public:
+		BigEndianOStream(std::ostream& theStream);
+
+		void Write(const char* src, size_t n);
+
+		void Goto(std::streamoff absoluteOffset);
+
+		std::streampos Tell() const;
+
+		void WritePascalString(const std::string& text, int padToAlignment = 1);
+
+		void WriteRawString(const std::string& text);
+
+		template<typename T>
+		void Write(T value)
+		{
+			char* b = (char*) &value;
+#if !(TARGET_RT_BIGENDIAN)
+			if constexpr (sizeof(T) > 1)
+			{
+				std::reverse(b, b + sizeof(T));
+			}
+#endif
+			Write(b, sizeof(T));
+		}
+
+	private:
+		std::ostream& stream;
 	};
 }

src/Video/moov.cpp

@@ -1,7 +1,7 @@
 #include "Video/Cinepak.h"
 #include "PommeVideo.h"
 #include "PommeSound.h"
-#include "Utilities/BigEndianIStream.h"
+#include "Utilities/bigendianstreams.h"
 #include "PommeDebug.h"
 
 #include <iostream>