Security-57031.1.35.tar.gz

[apple/security.git] / Security / libsecurity_transform / lib / Source.cpp

diff --git a/Security/libsecurity_transform/lib/Source.cpp b/Security/libsecurity_transform/lib/Source.cpp
new file mode 100644 (file)
index 0000000..ad26b5b
--- /dev/null
+++ b/Security/libsecurity_transform/lib/Source.cpp
@@ -0,0 +1,96 @@
+#include "Source.h"
+#include "Utilities.h"
+#include "c++utils.h"
+
+#include <string>
+
+using namespace std;
+
+Source::Source(CFStringRef sourceObjectName, Transform* destination, CFStringRef destinationName) :
+       CoreFoundationObject(sourceObjectName),
+       mDestination(destination),
+       mDestinationName(destinationName)
+{
+    CFStringRef queueName = CFStringCreateWithFormat(NULL, NULL, CFSTR("source:%@"), sourceObjectName);
+    char *queueName_cstr = utf8(queueName);
+       
+       mLastValue = NULL;
+       mDispatchQueue = MyDispatchQueueCreate(queueName_cstr, NULL);
+    free((void*)queueName_cstr);
+    CFRelease(queueName);
+}
+
+
+
+Source::~Source()
+{
+       if (mLastValue != NULL)
+       {
+               CFRelease(mLastValue);
+       }
+       
+       dispatch_release(mDispatchQueue);
+}
+
+
+
+void Source::Activate()
+{
+       dispatch_async(mDispatchQueue, ^{DoActivate();});
+}
+
+
+
+void Source::SetValue(CFTypeRef value)
+{
+       if (value == mLastValue)
+       {
+               return;
+       }
+       
+       if (mLastValue != NULL) // is there an existing value?  If so, release it
+       {
+               CFRelease(mLastValue);
+       }
+       
+       if (value != NULL)
+       {
+               mLastValue = CFRetain(value);
+       }
+       else
+       {
+               mLastValue = NULL;
+       }
+}
+
+
+
+Boolean Source::Equal(const CoreFoundationObject* obj)
+{
+       if (CoreFoundationObject::Equal(obj))
+       {
+               const Source* objSource = (const Source*) obj;
+               if (objSource->mDestination == mDestination &&
+                       CFStringCompare(objSource->mDestinationName, mDestinationName, 0) == kCFCompareEqualTo)
+               {
+                       return true;
+               }
+       }
+       
+       return false;
+}
+
+
+
+std::string Source::DebugDescription()
+{
+       string result = CoreFoundationObject::DebugDescription() + ": Source ";
+       
+       char buffer[256];
+       sprintf(buffer, "(Destination = %p, name = %s)", mDestination, StringFromCFString(mDestinationName).c_str());
+       
+       result += buffer;
+       
+       return result;
+}
+