/usr/include/ComTerp/strmfunc.h is in ivtools-dev 1.2.11a1-11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2001 Scott E. Johnston
* Copyright (c) 1994,1995,1999 Vectaport Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the names of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
/*
* collection of stream functions
*/
#if !defined(_strmfunc_h)
#define _strmfunc_h
#include <ComTerp/comfunc.h>
class ComTerp;
class ComValue;
//: base class for ComTerp stream commands.
class StrmFunc : public ComFunc {
public:
StrmFunc(ComTerp*);
static void print_stream(std::ostream& out, AttributeValue& streamv);
};
//: stream command
class StreamFunc : public StrmFunc {
public:
StreamFunc(ComTerp*);
virtual void execute();
virtual boolean post_eval() { return true; }
virtual const char* docstring() {
return "strm=%s(ostrm|list|attrlist|val) -- copy stream or convert list (unary $)"; }
CLASS_SYMID("StreamFunc");
};
//: hidden func used by next command for stream command
class StreamNextFunc : public StrmFunc {
public:
StreamNextFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "hidden func used by next command for stream command."; }
CLASS_SYMID("StreamNextFunc");
};
//: ,, (concat) operator.
class ConcatFunc : public StrmFunc {
public:
ConcatFunc(ComTerp*);
virtual void execute();
virtual boolean post_eval() { return true; }
virtual const char* docstring() {
return ",, is the stream concat operator"; }
CLASS_SYMID("ConcatFunc");
};
//: hidden func used by next command for ,, (concat) operator.
class ConcatNextFunc : public StrmFunc {
public:
ConcatNextFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "hidden func used by next command for ,, (stream concat) operator."; }
CLASS_SYMID("ConcatNextFunc");
};
//: ** (repeat) operator.
class RepeatFunc : public StrmFunc {
public:
RepeatFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "** is the repeat operator"; }
};
//: .. (iterate) operator.
class IterateFunc : public StrmFunc {
public:
IterateFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return ".. is the iterate operator"; }
};
//: next command from stream for ComTerp
class NextFunc : public StrmFunc {
public:
NextFunc(ComTerp*);
virtual void execute();
static void execute_impl(ComTerp*, ComValue& strmv);
virtual boolean post_eval() { return true; }
virtual const char* docstring() {
return "val=%s(stream) -- return next value from stream"; }
static int next_depth() { return _next_depth; }
protected:
static int _next_depth;
};
//: traverse stream command for ComTerp.
// cnt=each(strm) -- traverse stream returning its length
class EachFunc : public ComFunc {
public:
EachFunc(ComTerp*);
virtual void execute();
virtual boolean post_eval() { return true; }
virtual const char* docstring() {
return "cnt=%s(strm) -- traverse stream returning its length"; }
};
//: stream filter command
class FilterFunc : public StrmFunc {
public:
FilterFunc(ComTerp*);
virtual void execute();
virtual boolean post_eval() { return true; }
virtual const char* docstring() {
return "val=filter(strm classid) filter a stream for a given classid"; }
CLASS_SYMID("FilterFunc");
};
//: hidden func used by next command for stream filter command
class FilterNextFunc : public StrmFunc {
public:
FilterNextFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "hidden func used by next command for filter command"; }
CLASS_SYMID("FilterNextFunc");
};
#endif /* !defined(_strmfunc_h) */
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