- Add an initial Sequel Pro QuickLook plugin, written by bibiko, as a build dependency

1 files changed, 218 insertions, 0 deletions

diff --git a/Source/main.c b/Source/main.c
new file mode 100644
index 00000000..ae199979
--- /dev/null
+++ b/Source/main.c
@@ -0,0 +1,218 @@
+//==============================================================================
+//
+//	DO NO MODIFY THE CONTENT OF THIS FILE
+//
+//	This file contains the generic CFPlug-in code necessary for your generator
+//	To complete your generator implement the function in GenerateThumbnailForURL/GeneratePreviewForURL.c
+//
+//==============================================================================
+
+
+
+
+
+
+#include <CoreFoundation/CoreFoundation.h>
+#include <CoreFoundation/CFPlugInCOM.h>
+#include <CoreServices/CoreServices.h>
+#include <QuickLook/QuickLook.h>
+
+// -----------------------------------------------------------------------------
+//	constants
+// -----------------------------------------------------------------------------
+
+// Don't modify this line
+#define PLUGIN_ID "15621E48-2969-4291-807E-5F0498A9FB70"
+
+//
+// Below is the generic glue code for all plug-ins.
+//
+// You should not have to modify this code aside from changing
+// names if you decide to change the names defined in the Info.plist
+//
+
+
+// -----------------------------------------------------------------------------
+//	typedefs
+// -----------------------------------------------------------------------------
+
+// The thumbnail generation function to be implemented in GenerateThumbnailForURL.c
+OSStatus GenerateThumbnailForURL(void *thisInterface, QLThumbnailRequestRef thumbnail, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options, CGSize maxSize);
+void CancelThumbnailGeneration(void* thisInterface, QLThumbnailRequestRef thumbnail);
+
+// The preview generation function to be implemented in GeneratePreviewForURL.c
+OSStatus GeneratePreviewForURL(void *thisInterface, QLPreviewRequestRef preview, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options);
+void CancelPreviewGeneration(void *thisInterface, QLPreviewRequestRef preview);
+
+// The layout for an instance of QuickLookGeneratorPlugIn
+typedef struct __QuickLookGeneratorPluginType
+{
+    void        *conduitInterface;
+    CFUUIDRef    factoryID;
+    UInt32       refCount;
+} QuickLookGeneratorPluginType;
+
+// -----------------------------------------------------------------------------
+//	prototypes
+// -----------------------------------------------------------------------------
+//	Forward declaration for the IUnknown implementation.
+//
+
+QuickLookGeneratorPluginType  *AllocQuickLookGeneratorPluginType(CFUUIDRef inFactoryID);
+void                         DeallocQuickLookGeneratorPluginType(QuickLookGeneratorPluginType *thisInstance);
+HRESULT                      QuickLookGeneratorQueryInterface(void *thisInstance,REFIID iid,LPVOID *ppv);
+void                        *QuickLookGeneratorPluginFactory(CFAllocatorRef allocator,CFUUIDRef typeID);
+ULONG                        QuickLookGeneratorPluginAddRef(void *thisInstance);
+ULONG                        QuickLookGeneratorPluginRelease(void *thisInstance);
+
+// -----------------------------------------------------------------------------
+//	myInterfaceFtbl	definition
+// -----------------------------------------------------------------------------
+//	The QLGeneratorInterfaceStruct function table.
+//
+static QLGeneratorInterfaceStruct myInterfaceFtbl = {
+    NULL,
+    QuickLookGeneratorQueryInterface,
+    QuickLookGeneratorPluginAddRef,
+    QuickLookGeneratorPluginRelease,
+    NULL,
+    NULL,
+    NULL,
+    NULL
+};
+
+
+// -----------------------------------------------------------------------------
+//	AllocQuickLookGeneratorPluginType
+// -----------------------------------------------------------------------------
+//	Utility function that allocates a new instance.
+//      You can do some initial setup for the generator here if you wish
+//      like allocating globals etc...
+//
+QuickLookGeneratorPluginType *AllocQuickLookGeneratorPluginType(CFUUIDRef inFactoryID)
+{
+    QuickLookGeneratorPluginType *theNewInstance;
+
+    theNewInstance = (QuickLookGeneratorPluginType *)malloc(sizeof(QuickLookGeneratorPluginType));
+    memset(theNewInstance,0,sizeof(QuickLookGeneratorPluginType));
+
+        /* Point to the function table Malloc enough to store the stuff and copy the filler from myInterfaceFtbl over */
+    theNewInstance->conduitInterface = malloc(sizeof(QLGeneratorInterfaceStruct));
+    memcpy(theNewInstance->conduitInterface,&myInterfaceFtbl,sizeof(QLGeneratorInterfaceStruct));
+
+        /*  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;
+}
+
+// -----------------------------------------------------------------------------
+//	DeallocQuickLookGeneratorPluginType
+// -----------------------------------------------------------------------------
+//	Utility function that deallocates the instance when
+//	the refCount goes to zero.
+//      In the current implementation generator interfaces are never deallocated
+//      but implement this as this might change in the future
+//
+void DeallocQuickLookGeneratorPluginType(QuickLookGeneratorPluginType *thisInstance)
+{
+    CFUUIDRef theFactoryID;
+
+    theFactoryID = thisInstance->factoryID;
+        /* Free the conduitInterface table up */
+    free(thisInstance->conduitInterface);
+
+        /* Free the instance structure */
+    free(thisInstance);
+    if (theFactoryID){
+        CFPlugInRemoveInstanceForFactory(theFactoryID);
+        CFRelease(theFactoryID);
+    }
+}
+
+// -----------------------------------------------------------------------------
+//	QuickLookGeneratorQueryInterface
+// -----------------------------------------------------------------------------
+//	Implementation of the IUnknown QueryInterface function.
+//
+HRESULT QuickLookGeneratorQueryInterface(void *thisInstance,REFIID iid,LPVOID *ppv)
+{
+    CFUUIDRef interfaceID;
+
+    interfaceID = CFUUIDCreateFromUUIDBytes(kCFAllocatorDefault,iid);
+
+    if (CFEqual(interfaceID,kQLGeneratorCallbacksInterfaceID)){
+            /* If the Right interface was requested, bump the ref count,
+             * set the ppv parameter equal to the instance, and
+             * return good status.
+             */
+        ((QLGeneratorInterfaceStruct *)((QuickLookGeneratorPluginType *)thisInstance)->conduitInterface)->GenerateThumbnailForURL = GenerateThumbnailForURL;
+        ((QLGeneratorInterfaceStruct *)((QuickLookGeneratorPluginType *)thisInstance)->conduitInterface)->CancelThumbnailGeneration = CancelThumbnailGeneration;
+        ((QLGeneratorInterfaceStruct *)((QuickLookGeneratorPluginType *)thisInstance)->conduitInterface)->GeneratePreviewForURL = GeneratePreviewForURL;
+        ((QLGeneratorInterfaceStruct *)((QuickLookGeneratorPluginType *)thisInstance)->conduitInterface)->CancelPreviewGeneration = CancelPreviewGeneration;
+        ((QLGeneratorInterfaceStruct *)((QuickLookGeneratorPluginType*)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;
+    }
+}
+
+// -----------------------------------------------------------------------------
+// QuickLookGeneratorPluginAddRef
+// -----------------------------------------------------------------------------
+//	Implementation of reference counting for this type. Whenever an interface
+//	is requested, bump the refCount for the instance. NOTE: returning the
+//	refcount is a convention but is not required so don't rely on it.
+//
+ULONG QuickLookGeneratorPluginAddRef(void *thisInstance)
+{
+    ((QuickLookGeneratorPluginType *)thisInstance )->refCount += 1;
+    return ((QuickLookGeneratorPluginType*) thisInstance)->refCount;
+}
+
+// -----------------------------------------------------------------------------
+// QuickLookGeneratorPluginRelease
+// -----------------------------------------------------------------------------
+//	When an interface is released, decrement the refCount.
+//	If the refCount goes to zero, deallocate the instance.
+//
+ULONG QuickLookGeneratorPluginRelease(void *thisInstance)
+{
+    ((QuickLookGeneratorPluginType*)thisInstance)->refCount -= 1;
+    if (((QuickLookGeneratorPluginType*)thisInstance)->refCount == 0){
+        DeallocQuickLookGeneratorPluginType((QuickLookGeneratorPluginType*)thisInstance );
+        return 0;
+    }else{
+        return ((QuickLookGeneratorPluginType*) thisInstance )->refCount;
+    }
+}
+
+// -----------------------------------------------------------------------------
+//  QuickLookGeneratorPluginFactory
+// -----------------------------------------------------------------------------
+void *QuickLookGeneratorPluginFactory(CFAllocatorRef allocator,CFUUIDRef typeID)
+{
+    QuickLookGeneratorPluginType *result;
+    CFUUIDRef                 uuid;
+
+        /* If correct type is being requested, allocate an
+         * instance of kQLGeneratorTypeID and return the IUnknown interface.
+         */
+    if (CFEqual(typeID,kQLGeneratorTypeID)){
+        uuid = CFUUIDCreateFromString(kCFAllocatorDefault,CFSTR(PLUGIN_ID));
+        result = AllocQuickLookGeneratorPluginType(uuid);
+        CFRelease(uuid);
+        return result;
+    }
+        /* If the requested type is incorrect, return NULL. */
+    return NULL;
+}
+