Enumerates a CGPDFDictionaryRef

gistfile1.m

void enumeratesDictionaryValues(const char *key, CGPDFObjectRef object, void *info) 
{
    NSLog(@"---------- key ------ %s ---------------", key);
    CGPDFObjectType type = CGPDFObjectGetType(object);
    switch (type) 
    {
        case kCGPDFObjectTypeString: 
        {
            CGPDFStringRef objectString;
            if (CGPDFObjectGetValue(object, kCGPDFObjectTypeString, &objectString))
            {
                NSString *tempStr = (NSString *)CGPDFStringCopyTextString(objectString);
                NSLog(@"(string) %s = %@", key, tempStr);
                [tempStr release];
            }
        }
        case kCGPDFObjectTypeInteger: 
        {
            CGPDFInteger objectInteger;
            if (CGPDFObjectGetValue(object, kCGPDFObjectTypeInteger, &objectInteger)) 
            {
                NSLog(@"(int) %s = %ld", key, objectInteger);
            }
        }
        case kCGPDFObjectTypeBoolean: 
        {
            CGPDFBoolean objectBool;
            if (CGPDFObjectGetValue(object, kCGPDFObjectTypeBoolean, &objectBool)) 
            {
                NSLog(@"(boolean) %s = %d", key, objectBool);
            }
        }
        case kCGPDFObjectTypeArray:
        {
            CGPDFArrayRef objectArray;
            if (CGPDFObjectGetValue(object, kCGPDFObjectTypeArray, &objectArray)) 
            {
                enumeratesArrayValues(objectArray);
            }
        }
    }
}

void enumeratesArrayValues(CGPDFArrayRef arr)
{
    for (int i = 0; i < CGPDFArrayGetCount(arr); i++)
    {
        CGPDFObjectRef object;
        CGPDFArrayGetObject(arr, i, &object);
        CGPDFObjectType type = CGPDFObjectGetType(object);
        switch (type)
        {
            case kCGPDFObjectTypeString: 
            {
                CGPDFStringRef objectString;
                if (CGPDFObjectGetValue(object, kCGPDFObjectTypeString, &objectString))
                {
                    NSString *tempStr = (NSString *)CGPDFStringCopyTextString(objectString);
                    NSLog(@"(string) = %@", tempStr);
                    [tempStr release];
                }
            }
            case kCGPDFObjectTypeInteger: 
            {
                CGPDFInteger objectInteger;
                if (CGPDFObjectGetValue(object, kCGPDFObjectTypeInteger, &objectInteger)) 
                {
                    NSLog(@"(int) = %ld", objectInteger);
                }
            }
            case kCGPDFObjectTypeBoolean: 
            {
                CGPDFBoolean objectBool;
                if (CGPDFObjectGetValue(object, kCGPDFObjectTypeBoolean, &objectBool)) 
                {
                    NSLog(@"(boolean) = %d", objectBool);
                }
            }
            case kCGPDFObjectTypeArray:
            {
                CGPDFArrayRef objectArray;
                if (CGPDFObjectGetValue(object, kCGPDFObjectTypeArray, &objectArray)) 
                {
                    enumeratesArrayValues(objectArray);
                }
            }
        }
    }
}


CGPDFDictionaryApplyFunction(CGPDFDocumentGetInfo(pdfRef), enumeratesDictionaryValues, NULL);

Can we have this for Swift?