fe5cc7b493
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3066 a95241bf-73f2-0310-859d-f6bbb57e9c96
79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
//------------------------------------------------------------------------------
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// Copyright (c) 2001-2002, OpenBeOS
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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// File Name: AreaLink.h
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// Author: DarkWyrm <bpmagic@columbus.rr.com>
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// Description: Helper class for managing chunks of small data in an area
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//
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//------------------------------------------------------------------------------
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#ifndef AREALINK_H
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#define AREALINK_H
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#include <List.h>
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#include <InterfaceDefs.h>
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#include <OS.h>
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#define MAX_ATTACHMENT_SIZE 65535 // in bytes
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#define SIZE_SIZE 2 // size of the size records in an AreaLink area
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class AreaLinkHeader;
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class AreaLink
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{
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public:
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AreaLink(area_id area, bool is_arealink_area=false);
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AreaLink(void);
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~AreaLink(void);
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void SetTarget(area_id area, bool is_arealink_area=false);
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area_id GetTarget(void) { return target; }
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void Attach(const void *data, size_t size);
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inline void Attach(const int32 &data);
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inline void Attach(const int16 &data);
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inline void Attach(const int8 &data);
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inline void Attach(const float &data);
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inline void Attach(const bool &data);
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inline void Attach(const rgb_color &data);
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inline void Attach(const BRect &data);
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inline void Attach(const BPoint &data);
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void MakeEmpty(void);
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void *ItemAt(int32 index) { return attachlist->ItemAt(index); }
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int32 CountAttachments(void) { return attachlist->CountItems(); }
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void *BaseAddress(void) { return (void *)baseaddress; }
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void Lock(void);
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void Unlock(void);
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bool IsLocked(void);
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protected:
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void _ReadAttachments(void);
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BList *attachlist;
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area_id target;
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bool area_ok;
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bool have_lock;
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int8 *baseaddress;
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AreaLinkHeader *header;
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};
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#endif
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