Falcon_Core: /home/gian/Progetti/falcon/core/include/falcon/poopseq.h Source File

00001 /*
00002    FALCON - The Falcon Programming Language.
00003    FILE: poopseq.h
00004 
00005    Virtual sequence that can be used to iterate over poop providers.
00006    *AT THE MOMENT* providing just "append" method to re-use sequence
00007    comprehension in OOP and POOP contexts.
00008    -------------------------------------------------------------------
00009    Author: Giancarlo Niccolai
00010    Begin: Mon, 10 Aug 2009 10:53:29 +0200
00011 
00012    -------------------------------------------------------------------
00013    (C) Copyright 2009: the FALCON developers (see list in AUTHORS file)
00014 
00015    See LICENSE file for licensing details.
00016 */
00017 
00018 
00019 #ifndef FALCON_POOPSEQ_H
00020 #define FALCON_POOPSEQ_H
00021 
00022 #include <falcon/setup.h>
00023 #include <falcon/sequence.h>
00024 #include <falcon/item.h>
00025 
00026 namespace Falcon {
00027 
00028 class FALCON_DYN_CLASS PoopSeq: public Sequence
00029 {
00030    Item m_appendMth;
00031    uint32 m_mark;
00032    VMachine* m_vm;
00033 
00034 public:
00035    PoopSeq( VMachine* vm, const Item &iobj );
00036    PoopSeq( const PoopSeq& other );
00037    virtual ~PoopSeq();
00038 
00039    virtual const Item &front() const;
00040    virtual const Item &back() const;
00041    virtual void clear();
00042    virtual bool empty() const;
00043    virtual void append( const Item &data );
00044    virtual void prepend( const Item &data );
00045    virtual FalconData* clone() const;
00046    virtual void gcMark( uint32 gen );
00047 
00048    //==============================================================
00049    // Iterator management
00050    //
00051 
00052 protected:
00053    virtual void getIterator( Iterator& tgt, bool tail = false ) const;
00054    virtual void copyIterator( Iterator& tgt, const Iterator& source ) const;
00055    virtual void insert( Iterator &iter, const Item &data );
00056    virtual void erase( Iterator &iter );
00057    virtual bool hasNext( const Iterator &iter ) const;
00058    virtual bool hasPrev( const Iterator &iter ) const;
00059    virtual bool hasCurrent( const Iterator &iter ) const;
00060 
00061    virtual bool next( Iterator &iter ) const;
00062    virtual bool prev( Iterator &iter ) const;
00063 
00064    virtual Item& getCurrent( const Iterator &iter );
00065    virtual Item& getCurrentKey( const Iterator &iter );
00066 
00067    virtual bool equalIterator( const Iterator &first, const Iterator &second ) const;
00068 };
00069 
00070 }
00071 
00072 #endif
00073 
00074 /* end of poop.h */