X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/72a12576750f52947eb043106ba5c12c0d07decf..b1ab9ed8d0e0f1c3b66d7daa8fd5564444c56195:/libsecurity_transform/lib/SingleShotSource.cpp

diff --git a/libsecurity_transform/lib/SingleShotSource.cpp b/libsecurity_transform/lib/SingleShotSource.cpp
new file mode 100644
index 00000000..f5121f21
--- /dev/null
+++ b/libsecurity_transform/lib/SingleShotSource.cpp
@@ -0,0 +1,61 @@
+
+#include "SingleShotSource.h"
+#include <string>
+
+using namespace std;
+
+CFStringRef gSingleShotSourceName = CFSTR("Single Shot Source");
+
+SingleShotSource::SingleShotSource(CFTypeRef value, Transform* t, CFStringRef name) :
+	Source(gSingleShotSourceName, t, name)
+{
+	SetValue(value);
+}
+
+void SingleShotSource::DoActivate()
+{
+	// Make sure our destination doesn't vanish while we are sending it data (or the final NULL)
+	CFRetain(mDestination->GetCFObject());
+	
+	// take our value and send it on its way
+	mDestination->SetAttribute(mDestinationName, GetValue());
+	
+	// send an end of stream
+	mDestination->SetAttribute(mDestinationName, NULL);
+
+	CFRelease(mDestination->GetCFObject());
+}
+
+
+
+Boolean SingleShotSource::Equal(const CoreFoundationObject* obj)
+{
+	if (Source::Equal(obj))
+	{
+		const SingleShotSource* sss = (const SingleShotSource*) obj;
+		return CFEqual(GetValue(), sss->GetValue());
+	}
+	
+	return false;
+}
+
+
+
+CFTypeRef SingleShotSource::Make(CFTypeRef value, Transform* t, CFStringRef name)
+{
+	return CoreFoundationHolder::MakeHolder(gInternalCFObjectName, new SingleShotSource(value, t, name));
+}
+
+
+
+std::string SingleShotSource::DebugDescription()
+{
+	string result = Source::DebugDescription() + ": SingleShotSource ";
+	
+	char buffer[256];
+	snprintf(buffer, sizeof(buffer), "(value = %p)", GetValue());
+	
+	result += buffer;
+	
+	return result;
+}