/usr/include/wvstreams/unifiltergen.h is in libwvstreams-dev 4.6.1-12~deb9u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | /* -*- Mode: C++ -*-
* Worldvisions Weaver Software:
* Copyright (C) 2002 Net Integration Technologies, Inc.
*
* A UniConfGen framework to simplify writing filtering generators.
*/
#ifndef __UNIFILTERGEN_H
#define __UNIFILTERGEN_H
#include "uniconfgen.h"
/**
* A UniConfGen that delegates all requests to an inner generator. If you
* derive from this, you can selectively override particular behaviours
* of a sub-generator.
*/
class UniFilterGen : public UniConfGen
{
IUniConfGen *xinner;
protected:
UniFilterGen(IUniConfGen *inner);
virtual ~UniFilterGen();
/**
* Rebinds the inner generator and prepares its callback.
* The previous generator is NOT destroyed.
*/
void setinner(IUniConfGen *inner);
public:
/** Returns the inner generator. */
IUniConfGen *inner() const
{ return xinner; }
/**
* A mapping function for filters that remap one keyspace onto another.
*
* The default implementation of the various functions (get, set,
* exists, etc) run their keys through this function before forwarding
* the requests on to the inner generator.
*
* The default implementation of this function doesn't change the key.
*
* Returns true if the key can be mapped, else false.
*/
virtual bool keymap(const UniConfKey &unmapped_key, UniConfKey &mapped_key);
/**
* A mapping function for filters that unmap a keyspace.
*
* The default implementation of this function doesn't change the key.
*
* Returns true if the key can be reverse-mapped, else false.
*/
virtual bool reversekeymap(const UniConfKey &mapped_key, UniConfKey &unmapped_key);
/***** Overridden methods *****/
virtual void commit();
virtual bool refresh();
virtual void flush_buffers();
virtual void prefetch(const UniConfKey &key, bool recursive);
virtual WvString get(const UniConfKey &key);
virtual void set(const UniConfKey &key, WvStringParm value);
virtual void setv(const UniConfPairList &pairs);
virtual bool exists(const UniConfKey &key);
virtual bool haschildren(const UniConfKey &key);
virtual bool isok();
virtual Iter *iterator(const UniConfKey &key);
virtual Iter *recursiveiterator(const UniConfKey &key);
protected:
/**
* Called by inner generator when a key changes.
* The default implementation calls delta(key).
*/
virtual void gencallback(const UniConfKey &key, WvStringParm value);
};
#endif //__UNIFILTERGEN_H
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