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UnixFILE : IOStream {
// abstract class. Use File or Pipe.
classvar <openFiles;
var fileptr;
// this only supports file sizes < 2^31 for now
*closeAll {
if (openFiles.notNil, {
openFiles.copy.do({ arg file; file.close; });
});
openFiles = nil;
}
isOpen {
^fileptr.notNil
}
next { ^this.getChar }
nextN { arg n;
^String.fill(n, { this.next; });
}
contents {
^this.readAllString;
}
put { arg item; this.write(item); }
putAll { arg aCollection;
if (aCollection.isKindOf(RawArray), {
this.write( aCollection );
},{
aCollection.do({ arg item; this.write(item) });
});
}
flush {
_FileFlush
^this.primitiveFailed
}
write { arg item;
/* writes any of the following items in big endian byte order:
a double float,
a 32 bit int,
a char,
the name of a Symbol as chars,
RawArrays,
(i.e. Strings, Int8Arrays, Int16Arrays,
Signals, etc.)
*/
_FileWrite
^this.primitiveFailed;
}
read { arg buffer;
// reads big endian data
// buffer should be a RawArray.
// fills the buffer, or as much is available.
// returns bytes read.
_FileReadRaw;
^this.primitiveFailed;
}
writeLE { arg item;
/* writes any of the following items in little endian byte order:
a double float,
a 32 bit int,
a char,
the name of a Symbol as chars,
RawArrays,
(i.e. Strings, Int8Arrays, Int16Arrays,
Signals, etc.)
*/
_FileWriteLE
^this.primitiveFailed;
}
readLE { arg buffer;
// reads little endian data
// buffer should be a RawArray.
// fills the buffer, or as much is available.
// returns bytes read.
_FileReadRawLE;
^this.primitiveFailed;
}
getLine { arg maxSize=1024;
var string;
string = String.newClear(maxSize);
^this.prGetLine(string);
}
prGetLine { arg argString;
// returns a string up to lesser of next newline
// or length-1 of the argument string
_FileReadLine;
^this.primitiveFailed;
}
// for more fine grained control these read and write a single
// item of the specified type and size
getChar { _FileGetChar; ^this.primitiveFailed; }
getInt8 { _FileGetInt8; ^this.primitiveFailed; }
getInt16 { _FileGetInt16; ^this.primitiveFailed; }
getInt32 { _FileGetInt32; ^this.primitiveFailed; }
getFloat { _FileGetFloat; ^this.primitiveFailed; }
getDouble { _FileGetDouble; ^this.primitiveFailed; }
getInt16LE { _FileGetInt16LE; ^this.primitiveFailed; }
getInt32LE { _FileGetInt32LE; ^this.primitiveFailed; }
getFloatLE { _FileGetFloatLE; ^this.primitiveFailed; }
getDoubleLE { _FileGetDoubleLE; ^this.primitiveFailed; }
putChar { arg aChar; _FilePutChar; ^this.primitiveFailed; }
putInt8 { arg anInteger; _FilePutInt8; ^this.primitiveFailed; }
putInt16 { arg anInteger; _FilePutInt16; ^this.primitiveFailed; }
putInt32 { arg anInteger; _FilePutInt32; ^this.primitiveFailed; }
putFloat { arg aFloat; _FilePutFloat; ^this.primitiveFailed; }
putDouble { arg aFloat; _FilePutDouble; ^this.primitiveFailed; }
putInt16LE { arg anInteger; _FilePutInt16LE; ^this.primitiveFailed; }
putInt32LE { arg anInteger; _FilePutInt32LE; ^this.primitiveFailed; }
putFloatLE { arg aFloat; _FilePutFloatLE; ^this.primitiveFailed; }
putDoubleLE { arg aFloat; _FilePutDoubleLE; ^this.primitiveFailed; }
putString { arg aString; _FilePutString; ^this.primitiveFailed; }
putString0 { arg aString;
this.putString(aString);
this.putInt8(0);
}
putPascalString { arg aString;
if(aString.size >= 256) {
Error("putPascalString: input string must be shorter than 256 chars: \"%\"".format(aString)).throw;
};
this.putInt8(aString.size);
this.putString(aString);
}
getPascalString {
var size, string;
size = this.getInt8;
string = String.newClear(size);
this.read(string);
^string
}
// PRIVATE
addOpenFile {
openFiles = openFiles.add(this);
}
}
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