1 files changed, 127 insertions, 0 deletions
diff --git a/externals/grill/vasp/source/vbuffer.h b/externals/grill/vasp/source/vbuffer.h
new file mode 100644
index 00000000..c3303099
--- /dev/null
+++ b/externals/grill/vasp/source/vbuffer.h
@@ -0,0 +1,127 @@
+/* 
+
+VASP modular - vector assembling signal processor / objects for Max/MSP and PD
+
+Copyright (c) 2002 Thomas Grill (xovo@gmx.net)
+For information on usage and redistribution, and for a DISCLAIMER OF ALL
+WARRANTIES, see the file, "license.txt," in this distribution.  
+
+*/
+
+#ifndef __VASP_VBUFFER_H
+#define __VASP_VBUFFER_H
+
+#include "main.h"
+
+class VSymbol
+{
+public:
+	VSymbol(t_symbol *s = NULL): sym(s) { Inc(); }
+	VSymbol(const VSymbol &s): sym(s.sym) { Inc(); }
+	~VSymbol() { Dec(); }
+	
+	BL Ok() const { return sym != NULL; }
+	V Clear() { Dec(); sym = NULL; }
+
+//	V *Thing() { return sym?flext_base::GetThing(sym):NULL; }
+//	V Thing(V *th) { if(sym) flext_base::GetThing(sym); }
+	
+	VSymbol &operator =(const VSymbol &s) { Dec(); sym = s.sym; Inc(); return *this; }
+	
+	t_symbol *Symbol() { return sym; }
+	const t_symbol *Symbol() const { return sym; }
+	const C *Name() const { return flext::GetAString(Symbol()); }
+	
+protected:
+	V Inc();
+	V Dec();
+
+	t_symbol *sym;
+};
+
+class VBuffer
+{
+public:
+	virtual ~VBuffer() {}
+
+	virtual BL Ok() const = 0;
+	virtual I Frames() const = 0;
+	virtual V Frames(I fr,BL keep) = 0;
+
+	virtual I Channels() const = 0;
+	virtual S *Data() = 0;
+
+	virtual V Refresh() {}
+	virtual V Dirty() {}
+
+	S *Pointer() { return Data()+Offset()*Channels()+Channel(); }
+
+	virtual VSymbol Symbol() const = 0;
+	const C *Name() const { return Symbol().Name(); }
+
+	I Channel() const { return chn; }
+	V Channel(I c) { chn = c; }
+
+	I Offset() const { return offs; }
+	V Offset(I o) { offs = o; }
+
+	I Length() const { return len; }
+	V Length(I l) { len = l; }
+
+protected:
+	VBuffer(I c = 0,I l = 0,I o = 0): chn(c),offs(o),len(l) {}
+
+	I chn,offs,len;
+};
+
+
+class SysBuf:
+	public VBuffer
+{
+public:
+	SysBuf(const VSymbol &s,I chn = 0,I len = -1,I offs = 0) { Set(s,chn,len,offs); }
+
+	virtual BL Ok() const { return buf.Ok(); }
+	virtual V Refresh() { buf.Dirty(true); }
+	virtual V Dirty() { buf.Dirty(false); }
+
+	virtual VSymbol Symbol() const { return buf.Symbol(); }
+
+	SysBuf &Set(const VSymbol &s,I chn = 0,I len = -1,I offs = 0);
+
+	virtual I Frames() const { return buf.Frames(); }
+	virtual V Frames(I fr,BL keep) { buf.Frames(fr,keep); }
+
+	virtual I Channels() const { return buf.Channels(); }
+	virtual S *Data() { return buf.Data(); }
+
+protected:
+	flext::buffer buf;
+};
+
+
+class BufEntry;
+
+class ImmBuf:
+	public VBuffer
+{
+public:
+	ImmBuf(I len);
+	ImmBuf(BufEntry *e,I len = -1,I offs = 0);
+
+	virtual BL Ok() const { return entry != NULL; }
+
+	virtual VSymbol Symbol() const;
+
+	virtual I Frames() const;
+	virtual V Frames(I fr,BL keep);
+
+	virtual I Channels() const { return 1; }
+	virtual S *Data();
+
+protected:
+	BufEntry *entry;
+};
+
+
+#endif