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- // This may look like C code, but it is really -*- C++ -*-
- /*
- Copyright (C) 1988 Free Software Foundation
- written by Doug Lea (dl@rocky.oswego.edu)
- based on code by Marc Shapiro (shapiro@sor.inria.fr)
-
- This file is part of the GNU C++ Library. This library is free
- software; you can redistribute it and/or modify it under the terms of
- the GNU Library General Public License as published by the Free
- Software Foundation; either version 2 of the License, or (at your
- option) any later version. This library 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 Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free Software
- Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
- #ifndef _<T>FPlex_h
- #ifdef __GNUG__
- #pragma interface
- #endif
- #define _<T>FPlex_h 1
-
- #include "<T>.Plex.h"
-
- class <T>FPlex : public <T>Plex
- {
- public:
- <T>FPlex(); // set low = 0;
- // fence = 0;
- // csize = default
-
- <T>FPlex(int maxsize); // low = 0;
- // fence = 0;
- // csize = maxsize
-
- <T>FPlex(int lo, // low = lo;
- int maxsize); // fence=lo
- // csize = maxsize
-
- <T>FPlex(int lo, // low = lo
- int hi, // fence = hi+1
- const <T&> initval,// fill with initval,
- int maxsize = 0); // csize = maxsize
- // or fence - lo if 0
-
- <T>FPlex(const <T>FPlex&); // X(X&)
-
- inline ~<T>FPlex();
-
- void operator= (const <T>FPlex&);
-
- // virtuals
-
- inline <T>& high_element ();
- inline <T>& low_element ();
-
- inline const <T>& high_element () const;
- inline const <T>& low_element () const;
-
- inline Pix first() const;
- inline Pix last() const;
- inline void prev(Pix& ptr) const;
- inline void next(Pix& ptr) const;
- inline int owns(Pix p) const;
- inline <T>& operator () (Pix p);
- inline const <T>& operator () (Pix p) const;
-
- inline int low() const;
- inline int high() const;
- inline int valid(int idx) const;
- inline void prev(int& idx) const;
- inline void next(int& x) const;
- inline <T>& operator [] (int index);
- inline const <T>& operator [] (int index) const;
-
- inline int Pix_to_index(Pix p) const;
- inline Pix index_to_Pix(int idx) const;
-
- inline int can_add_high() const;
- inline int can_add_low() const;
- inline int full() const;
-
- inline int add_high(const <T&> elem);
- inline int del_high ();
- inline int add_low (const <T&> elem);
- inline int del_low ();
-
- void fill(const <T&> x);
- void fill(const <T&> x, int from, int to);
- void clear();
- void reverse();
-
- int OK () const;
- };
-
-
- inline int <T>FPlex::valid (int idx) const
- {
- return idx >= lo && idx < fnc;
- }
-
- inline int <T>FPlex::low() const
- {
- return lo;
- }
-
- inline int <T>FPlex::high() const
- {
- return fnc - 1;
- }
-
- inline Pix <T>FPlex::first() const
- {
- return (Pix)(hd-><T>IChunk::first_pointer());
- }
-
- inline void <T>FPlex::prev(Pix& p) const
- {
- p = Pix(hd-><T>IChunk::pred((<T>*) p));
- }
-
- inline void <T>FPlex::next(Pix& p) const
- {
- p = Pix(hd-><T>IChunk::succ((<T>*) p));
- }
-
- inline Pix <T>FPlex::last() const
- {
- return Pix(hd-><T>IChunk::last_pointer());
- }
-
- inline int <T>FPlex::full () const
- {
- return fnc - lo == csize;
- }
-
- inline void <T>FPlex::prev(int& idx) const
- {
- --idx;
- }
-
- inline void <T>FPlex::next(int& idx) const
- {
- ++idx;
- }
-
- inline <T>& <T>FPlex:: operator [] (int idx)
- {
- if (idx < lo || idx >= fnc) index_error();
- return *(hd->pointer_to(idx));
- }
-
- inline <T>& <T>FPlex:: operator () (Pix p)
- {
- return *((<T>*)p);
- }
-
- inline <T>& <T>FPlex::low_element ()
- {
- if (empty()) index_error();
- return *(hd->pointer_to(lo));
- }
-
- inline <T>& <T>FPlex::high_element ()
- {
- if (empty()) index_error();
- return *(hd->pointer_to(fnc - 1));
- }
-
- inline const <T>& <T>FPlex:: operator [] (int idx) const
- {
- if (idx < lo || idx >= fnc) index_error();
- return *(hd->pointer_to(idx));
- }
-
- inline const <T>& <T>FPlex:: operator () (Pix p) const
- {
- return *((const <T>*)p);
- }
-
- inline const <T>& <T>FPlex::low_element () const
- {
- if (empty()) index_error();
- return *(hd->pointer_to(lo));
- }
-
- inline const <T>& <T>FPlex::high_element () const
- {
- if (empty()) index_error();
- return *(hd->pointer_to(fnc - 1));
- }
-
- inline int <T>FPlex::can_add_high() const
- {
- return hd->can_grow_high();
- }
-
- inline int <T>FPlex::can_add_low() const
- {
- return hd->can_grow_low();
- }
-
- inline int <T>FPlex::add_high(const <T&> elem)
- {
- if (!can_add_high()) full_error();
- *((hd-><T>IChunk::grow_high())) = elem;
- return fnc++;
- }
-
- inline int <T>FPlex::del_high ()
- {
- if (empty()) empty_error();
- hd-><T>IChunk::shrink_high();
- return --fnc - 1;
- }
-
- inline int <T>FPlex::add_low (const <T&> elem)
- {
- if (!can_add_low()) full_error();
- *((hd-><T>IChunk::grow_low())) = elem;
- return --lo;
- }
-
- inline int <T>FPlex::del_low ()
- {
- if (empty()) empty_error();
- hd-><T>IChunk::shrink_low();
- return ++lo;
- }
-
- inline int <T>FPlex::owns (Pix p) const
- {
- return hd->actual_pointer((<T>*)p);
- }
-
- inline int <T>FPlex::Pix_to_index(Pix p) const
- {
- if (!hd->actual_pointer((const <T>*)p)) index_error();
- return hd->index_of((const <T>*)p);
- }
-
- inline Pix <T>FPlex::index_to_Pix(int idx) const
- {
- if (idx < lo || idx >= fnc) index_error();
- return Pix(hd->pointer_to(idx));
- }
-
- inline <T>FPlex::~<T>FPlex() {}
-
- #endif
-