mirror of https://github.com/aap/librw.git
80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
namespace rw {
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#define PLUGINOFFSET(type, base, offset) \
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((type*)((char*)(base) + (offset)))
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typedef void *(*Constructor)(void *object, int32 offset, int32 size);
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typedef void *(*Destructor)(void *object, int32 offset, int32 size);
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typedef void *(*CopyConstructor)(void *dst, void *src, int32 offset, int32 size);
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typedef Stream *(*StreamRead)(Stream *stream, int32 length, void *object, int32 offset, int32 size);
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typedef Stream *(*StreamWrite)(Stream *stream, int32 length, void *object, int32 offset, int32 size);
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typedef int32 (*StreamGetSize)(void *object, int32 offset, int32 size);
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typedef void (*RightsCallback)(void *object, int32 offset, int32 size, uint32 data);
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struct PluginList
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{
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int32 size;
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int32 defaultSize;
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LinkList plugins;
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PluginList(void) {}
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PluginList(int32 defSize)
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: size(defSize), defaultSize(defSize)
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{ plugins.init(); }
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static void open(void);
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static void close(void);
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void construct(void *);
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void destruct(void *);
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void copy(void *dst, void *src);
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bool streamRead(Stream *stream, void *);
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void streamWrite(Stream *stream, void *);
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int streamGetSize(void *);
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void streamSkip(Stream *stream);
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void assertRights(void *, uint32 pluginID, uint32 data);
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int32 registerPlugin(int32 size, uint32 id,
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Constructor, Destructor, CopyConstructor);
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int32 registerStream(uint32 id, StreamRead, StreamWrite, StreamGetSize);
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int32 setStreamRightsCallback(uint32 id, RightsCallback cb);
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int32 getPluginOffset(uint32 id);
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};
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struct Plugin
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{
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int32 offset;
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int32 size;
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uint32 id;
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Constructor constructor;
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Destructor destructor;
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CopyConstructor copy;
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StreamRead read;
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StreamWrite write;
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StreamGetSize getSize;
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RightsCallback rightsCallback;
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PluginList *parentList;
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LLLink inParentList;
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LLLink inGlobalList;
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};
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#define PLUGINBASE \
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static PluginList s_plglist; \
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static int32 registerPlugin(int32 size, uint32 id, Constructor ctor, \
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Destructor dtor, CopyConstructor copy){ \
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return s_plglist.registerPlugin(size, id, ctor, dtor, copy); \
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} \
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static int32 registerPluginStream(uint32 id, StreamRead read, \
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StreamWrite write, StreamGetSize getSize){ \
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return s_plglist.registerStream(id, read, write, getSize); \
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} \
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static int32 setStreamRightsCallback(uint32 id, RightsCallback cb){ \
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return s_plglist.setStreamRightsCallback(id, cb); \
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} \
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static int32 getPluginOffset(uint32 id){ \
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return s_plglist.getPluginOffset(id); \
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}
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}
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