OSX/libsecurity_transform/lib/SingleShotSource.cpp

   1
   2 #include "SingleShotSource.h"
   3 #include <string>
   4
   5 using namespace std;
   6
   7 CFStringRef gSingleShotSourceName = CFSTR("Single Shot Source");
   8
   9 SingleShotSource::SingleShotSource(CFTypeRef value, Transform* t, CFStringRef name) :
  10         Source(gSingleShotSourceName, t, name)
  11 {
  12         SetValue(value);
  13 }
  14
  15 void SingleShotSource::DoActivate()
  16 {
  17         // Make sure our destination doesn't vanish while we are sending it data (or the final NULL)
  18         CFRetain(mDestination->GetCFObject());
  19
  20         // take our value and send it on its way
  21         mDestination->SetAttribute(mDestinationName, GetValue());
  22
  23         // send an end of stream
  24         mDestination->SetAttribute(mDestinationName, NULL);
  25
  26         CFRelease(mDestination->GetCFObject());
  27 }
  28
  29
  30
  31 Boolean SingleShotSource::Equal(const CoreFoundationObject* obj)
  32 {
  33         if (Source::Equal(obj))
  34         {
  35                 const SingleShotSource* sss = (const SingleShotSource*) obj;
  36                 return CFEqual(GetValue(), sss->GetValue());
  37         }
  38
  39         return false;
  40 }
  41
  42
  43
  44 CFTypeRef SingleShotSource::Make(CFTypeRef value, Transform* t, CFStringRef name)
  45 {
  46         return CoreFoundationHolder::MakeHolder(gInternalCFObjectName, new SingleShotSource(value, t, name));
  47 }
  48
  49
  50
  51 std::string SingleShotSource::DebugDescription()
  52 {
  53         string result = Source::DebugDescription() + ": SingleShotSource ";
  54
  55         char buffer[256];
  56         snprintf(buffer, sizeof(buffer), "(value = %p)", GetValue());
  57
  58         result += buffer;
  59
  60         return result;
  61 }