main.c File Reference

#include <CoreFoundation/CoreFoundation.h>
#include <CoreFoundation/CFPlugInCOM.h>
#include <CoreServices/CoreServices.h>

Include dependency graph for main.c:

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Classes
struct	__MetadataImporterPluginType

Macros
#define	PLUGIN_ID   "44E7EDBD-F1D0-4031-9E99-D272D8166D11"

Typedefs
typedef struct __MetadataImporterPluginType	MetadataImporterPluginType

Functions
Boolean	GetMetadataForFile (void *thisInterface, CFMutableDictionaryRef attributes, CFStringRef contentTypeUTI, CFStringRef pathToFile)
MetadataImporterPluginType *	AllocMetadataImporterPluginType (CFUUIDRef inFactoryID)
void	DeallocMetadataImporterPluginType (MetadataImporterPluginType *thisInstance)
HRESULT	MetadataImporterQueryInterface (void *thisInstance, REFIID iid, LPVOID *ppv)
void *	MetadataImporterPluginFactory (CFAllocatorRef allocator, CFUUIDRef typeID)
ULONG	MetadataImporterPluginAddRef (void *thisInstance)
ULONG	MetadataImporterPluginRelease (void *thisInstance)
	__attribute__ ((visibility("default")))

Variables
static MDImporterInterfaceStruct	testInterfaceFtbl

Macro Definition Documentation

PLUGIN_ID

#define PLUGIN_ID   "44E7EDBD-F1D0-4031-9E99-D272D8166D11"

Definition at line 35 of file main.c.

Referenced by __attribute__().

Typedef Documentation

MetadataImporterPluginType

typedef struct __MetadataImporterPluginType MetadataImporterPluginType

Function Documentation

__attribute__()

__attribute__

(

(visibility("default"))

)

Definition at line 207 of file main.c.

{
    MetadataImporterPluginType *result;
    CFUUIDRef                 uuid;
 
        /* If correct type is being requested, allocate an
         * instance of TestType and return the IUnknown interface.
         */
    if (CFEqual(typeID,kMDImporterTypeID)){
        uuid = CFUUIDCreateFromString(kCFAllocatorDefault,CFSTR(PLUGIN_ID));
        result = AllocMetadataImporterPluginType(uuid);
        CFRelease(uuid);
        return result;
    }
        /* If the requested type is incorrect, return NULL. */
    return NULL;
}

References AllocMetadataImporterPluginType(), and PLUGIN_ID.

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AllocMetadataImporterPluginType()

MetadataImporterPluginType * AllocMetadataImporterPluginType

(

CFUUIDRef

inFactoryID

)

Definition at line 97 of file main.c.

{
    MetadataImporterPluginType *theNewInstance;
 
    theNewInstance = (MetadataImporterPluginType *)malloc(sizeof(MetadataImporterPluginType));
    memset(theNewInstance,0,sizeof(MetadataImporterPluginType));
 
        /* Point to the function table */
    theNewInstance->conduitInterface = &testInterfaceFtbl;
 
        /*  Retain and keep an open instance refcount for each factory. */
    theNewInstance->factoryID = CFRetain(inFactoryID);
    CFPlugInAddInstanceForFactory(inFactoryID);
 
        /* This function returns the IUnknown interface so set the refCount to one. */
    theNewInstance->refCount = 1;
    return theNewInstance;
}

References __MetadataImporterPluginType::conduitInterface, __MetadataImporterPluginType::factoryID, __MetadataImporterPluginType::refCount, and testInterfaceFtbl.

Referenced by __attribute__().

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DeallocMetadataImporterPluginType()

void DeallocMetadataImporterPluginType

(

MetadataImporterPluginType *

thisInstance

)

Definition at line 124 of file main.c.

{
    CFUUIDRef theFactoryID;
 
    theFactoryID = thisInstance->factoryID;
    free(thisInstance);
    if (theFactoryID){
        CFPlugInRemoveInstanceForFactory(theFactoryID);
        CFRelease(theFactoryID);
    }
}

References __MetadataImporterPluginType::factoryID.

Referenced by MetadataImporterPluginRelease().

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GetMetadataForFile()

Boolean GetMetadataForFile	(	void *	thisInterface,
		CFMutableDictionaryRef	attributes,
		CFStringRef	contentTypeUTI,
		CFStringRef	pathToFile )

MetadataImporterPluginAddRef()

ULONG MetadataImporterPluginAddRef

(

void *

thisInstance

)

Definition at line 179 of file main.c.

{
    ((MetadataImporterPluginType *)thisInstance )->refCount += 1;
    return ((MetadataImporterPluginType*) thisInstance)->refCount;
}

MetadataImporterPluginFactory()

void * MetadataImporterPluginFactory	(	CFAllocatorRef	allocator,
		CFUUIDRef	typeID )

MetadataImporterPluginRelease()

ULONG MetadataImporterPluginRelease

(

void *

thisInstance

)

Definition at line 191 of file main.c.

{
    ((MetadataImporterPluginType*)thisInstance)->refCount -= 1;
    if (((MetadataImporterPluginType*)thisInstance)->refCount == 0){
        DeallocMetadataImporterPluginType((MetadataImporterPluginType*)thisInstance );
        return 0;
    }else{
        return ((MetadataImporterPluginType*) thisInstance )->refCount;
    }
}

References DeallocMetadataImporterPluginType().

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MetadataImporterQueryInterface()

HRESULT MetadataImporterQueryInterface	(	void *	thisInstance,
		REFIID	iid,
		LPVOID *	ppv )

Definition at line 141 of file main.c.

{
    CFUUIDRef interfaceID;
 
    interfaceID = CFUUIDCreateFromUUIDBytes(kCFAllocatorDefault,iid);
 
    if (CFEqual(interfaceID,kMDImporterInterfaceID)){
            /* If the Right interface was requested, bump the ref count,
             * set the ppv parameter equal to the instance, and
             * return good status.
             */
        ((MetadataImporterPluginType*)thisInstance)->conduitInterface->AddRef(thisInstance);
        *ppv = thisInstance;
        CFRelease(interfaceID);
        return S_OK;
    }else{
        if (CFEqual(interfaceID,IUnknownUUID)){
                /* If the IUnknown interface was requested, same as above. */
            ((MetadataImporterPluginType*)thisInstance )->conduitInterface->AddRef(thisInstance);
            *ppv = thisInstance;
            CFRelease(interfaceID);
            return S_OK;
        }else{
                /* Requested interface unknown, bail with error. */
            *ppv = NULL;
            CFRelease(interfaceID);
            return E_NOINTERFACE;
        }
    }
}

Variable Documentation

testInterfaceFtbl

MDImporterInterfaceStruct testInterfaceFtbl

static

Initial value:

= {
    NULL,
    MetadataImporterQueryInterface,
    MetadataImporterPluginAddRef,
    MetadataImporterPluginRelease,
    GetMetadataForFile
}

Definition at line 81 of file main.c.

                                                     {
    NULL,
    MetadataImporterQueryInterface,
    MetadataImporterPluginAddRef,
    MetadataImporterPluginRelease,
    GetMetadataForFile
};

Referenced by AllocMetadataImporterPluginType().