first commit

Minecraft.World/InputStreamReader.cpp

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+#include "stdafx.h"
+
+#include "InputStream.h"
+#include "DataInputStream.h"
+#include "InputStreamReader.h"
+
+//Creates an InputStreamReader that uses the default charset.
+//Parameters:
+//in - An InputStream
+InputStreamReader::InputStreamReader(InputStream *in) : stream( new DataInputStream( in ) )
+{
+}
+
+//Closes the stream and releases any system resources associated with it.
+//Once the stream has been closed, further read(), ready(), mark(), reset(), or skip() invocations will throw an IOException.
+//Closing a previously closed stream has no effect.
+void InputStreamReader::close()
+{
+	stream->close();
+}
+
+//Reads a single character.
+//Returns:
+//The character read, or -1 if the end of the stream has been reached
+int InputStreamReader::read()
+{
+	return stream->readUTFChar();
+}
+
+//Reads characters into a portion of an array.
+//Parameters:
+//cbuf - Destination buffer
+//offset - Offset at which to start storing characters
+//length - Maximum number of characters to read
+//Returns:
+//The number of characters read, or -1 if the end of the stream has been reached
+int InputStreamReader::read(wchar_t cbuf[], unsigned int offset, unsigned int length)
+{
+	unsigned int charsRead = 0;
+	for( unsigned int i = offset; i < offset + length; i++ )
+	{
+		wchar_t value = (wchar_t)stream->readUTFChar();
+		if( value != -1 )
+		{
+			cbuf[i] = value;
+			charsRead++;
+		}
+		// TODO 4J Stu - The read might throw an exception? In which case we should return -1
+		else break;
+	}
+	return charsRead;
+}