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/*
SuperCollider real time audio synthesis system
Copyright (c) 2002 James McCartney. All rights reserved.
http://www.audiosynth.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _ReadWriteMacros_
#define _ReadWriteMacros_
#include "SC_Types.h"
#include "SC_Endian.h"
#include <stdio.h>
#include <string.h>
template <class T>
class SC_IOStream
{
protected:
T s;
public:
SC_IOStream() : s(0) {}
SC_IOStream(T inStream) : s(inStream) {}
void SetStream(T inStream) { s = inStream; }
T GetStream() { return s; }
// core routines
void readData(char *data, int size);
uint8 readUInt8();
void writeData(char *data, int size);
void writeUInt8(uint8 inInt);
// built using core routines
void writeInt8(int8 inInt)
{
writeUInt8((uint8)inInt);
}
void writeInt16_be(int16 inInt)
{
writeUInt8((uint8)(inInt >> 8));
writeUInt8(inInt);
}
void writeInt16_le(int16 inInt)
{
writeUInt8((uint8)inInt);
writeUInt8((uint8)(inInt >> 8));
}
void writeInt32_be(int32 inInt)
{
writeUInt8((uint8)(inInt >> 24));
writeUInt8((uint8)(inInt >> 16));
writeUInt8((uint8)(inInt >> 8));
writeUInt8((uint8)inInt);
}
void writeInt32_le(int32 inInt)
{
writeUInt8((uint8)inInt);
writeUInt8((uint8)(inInt >> 8));
writeUInt8((uint8)(inInt >> 16));
writeUInt8((uint8)(inInt >> 24));
}
#if BYTE_ORDER == BIG_ENDIAN
void writeFloat_be(float inFloat)
#else
void writeFloat_le(float inFloat)
#endif
{
union {
float f;
uint8 c[4];
} u;
u.f = inFloat;
writeUInt8(u.c[0]);
writeUInt8(u.c[1]);
writeUInt8(u.c[2]);
writeUInt8(u.c[3]);
}
#if BYTE_ORDER == BIG_ENDIAN
void writeFloat_le(float inFloat)
#else
void writeFloat_be(float inFloat)
#endif
{
union {
float f;
uint8 c[4];
} u;
u.f = inFloat;
writeUInt8(u.c[3]);
writeUInt8(u.c[2]);
writeUInt8(u.c[1]);
writeUInt8(u.c[0]);
}
#if BYTE_ORDER == BIG_ENDIAN
void writeDouble_be(double inDouble)
#else
void writeDouble_le(double inDouble)
#endif
{
union {
double f;
uint8 c[8];
} u;
u.f = inDouble;
writeUInt8(u.c[0]);
writeUInt8(u.c[1]);
writeUInt8(u.c[2]);
writeUInt8(u.c[3]);
writeUInt8(u.c[4]);
writeUInt8(u.c[5]);
writeUInt8(u.c[6]);
writeUInt8(u.c[7]);
}
#if BYTE_ORDER == BIG_ENDIAN
void writeDouble_le(double inDouble)
#else
void writeDouble_be(double inDouble)
#endif
{
union {
double f;
uint8 c[8];
} u;
u.f = inDouble;
writeUInt8(u.c[7]);
writeUInt8(u.c[6]);
writeUInt8(u.c[5]);
writeUInt8(u.c[4]);
writeUInt8(u.c[3]);
writeUInt8(u.c[2]);
writeUInt8(u.c[1]);
writeUInt8(u.c[0]);
}
int8 readInt8()
{
return (int8)readUInt8();
}
int16 readInt16_be()
{
uint8 a = readUInt8();
uint8 b = readUInt8();
return (int16)((a << 8) | b);
}
int16 readInt16_le()
{
uint8 a = readUInt8();
uint8 b = readUInt8();
return (int16)((b << 8) | a);
}
int32 readInt32_be()
{
uint8 a = readUInt8();
uint8 b = readUInt8();
uint8 c = readUInt8();
uint8 d = readUInt8();
return (int32)((a << 24) | (b << 16) | (c << 8) | d);
}
int32 readInt32_le()
{
uint8 a = readUInt8();
uint8 b = readUInt8();
uint8 c = readUInt8();
uint8 d = readUInt8();
return (int32)((d << 24) | (c << 16) | (b << 8) | a);
}
#if BYTE_ORDER == BIG_ENDIAN
float readFloat_be()
#else
float readFloat_le()
#endif
{
union {
float f;
uint8 c[4];
} u;
u.c[0] = readUInt8();
u.c[1] = readUInt8();
u.c[2] = readUInt8();
u.c[3] = readUInt8();
return u.f;
}
#if BYTE_ORDER == BIG_ENDIAN
float readFloat_le()
#else
float readFloat_be()
#endif
{
union {
float f;
uint8 c[4];
} u;
u.c[3] = readUInt8();
u.c[2] = readUInt8();
u.c[1] = readUInt8();
u.c[0] = readUInt8();
return u.f;
}
#if BYTE_ORDER == BIG_ENDIAN
double readDouble_be()
#else
double readDouble_le()
#endif
{
union {
double f;
uint8 c[8];
} u;
u.c[0] = readUInt8();
u.c[1] = readUInt8();
u.c[2] = readUInt8();
u.c[3] = readUInt8();
u.c[4] = readUInt8();
u.c[5] = readUInt8();
u.c[6] = readUInt8();
u.c[7] = readUInt8();
return u.f;
}
#if BYTE_ORDER == BIG_ENDIAN
double readDouble_le()
#else
double readDouble_be()
#endif
{
union {
double f;
uint8 c[8];
} u;
u.c[7] = readUInt8();
u.c[6] = readUInt8();
u.c[5] = readUInt8();
u.c[4] = readUInt8();
u.c[3] = readUInt8();
u.c[2] = readUInt8();
u.c[1] = readUInt8();
u.c[0] = readUInt8();
return u.f;
}
void readSymbol(char *outString)
{
int length = readUInt8();
readData(outString, length);
outString[length] = 0;
}
void writeSymbol(char *inString)
{
int32 length = strlen(inString);
writeUInt8((uint8)length);
writeData(inString, length);
}
};
// core routines
inline void SC_IOStream<FILE*>::readData(char *data, int size)
{
fread(data, 1, size, s);
}
inline uint8 SC_IOStream<FILE*>::readUInt8()
{
return (uint8)fgetc(s);
}
inline void SC_IOStream<FILE*>::writeData(char *data, int size)
{
fwrite(data, 1, size, s);
}
inline void SC_IOStream<FILE*>::writeUInt8(uint8 inInt)
{
fputc(inInt, s);
}
// core routines
inline void SC_IOStream<char*>::readData(char *data, int size)
{
memcpy(data, s, size);
s += size;
}
inline uint8 SC_IOStream<char*>::readUInt8()
{
return (uint8)*s++;
}
inline void SC_IOStream<char*>::writeData(char *data, int size)
{
memcpy(s, data, size);
s += size;
}
inline void SC_IOStream<char*>::writeUInt8(uint8 inInt)
{
*s++ = (inInt & 255);
}
#endif
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