source/Host/macosx/cfcpp/CFCData.cpp

   1 //===-- CFCData.cpp ---------------------------------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "CFCData.h"
  11
  12 //----------------------------------------------------------------------
  13 // CFCData constructor
  14 //----------------------------------------------------------------------
  15 CFCData::CFCData(CFDataRef data) : CFCReleaser<CFDataRef>(data) {}
  16
  17 //----------------------------------------------------------------------
  18 // CFCData copy constructor
  19 //----------------------------------------------------------------------
  20 CFCData::CFCData(const CFCData &rhs) : CFCReleaser<CFDataRef>(rhs) {}
  21
  22 //----------------------------------------------------------------------
  23 // CFCData copy constructor
  24 //----------------------------------------------------------------------
  25 CFCData &CFCData::operator=(const CFCData &rhs)
  26
  27 {
  28   if (this != &rhs)
  29     *this = rhs;
  30   return *this;
  31 }
  32
  33 //----------------------------------------------------------------------
  34 // Destructor
  35 //----------------------------------------------------------------------
  36 CFCData::~CFCData() {}
  37
  38 CFIndex CFCData::GetLength() const {
  39   CFDataRef data = get();
  40   if (data)
  41     return CFDataGetLength(data);
  42   return 0;
  43 }
  44
  45 const uint8_t *CFCData::GetBytePtr() const {
  46   CFDataRef data = get();
  47   if (data)
  48     return CFDataGetBytePtr(data);
  49   return NULL;
  50 }
  51
  52 CFDataRef CFCData::Serialize(CFPropertyListRef plist,
  53                              CFPropertyListFormat format) {
  54   CFAllocatorRef alloc = kCFAllocatorDefault;
  55   reset();
  56   CFCReleaser<CFWriteStreamRef> stream(
  57       ::CFWriteStreamCreateWithAllocatedBuffers(alloc, alloc));
  58   ::CFWriteStreamOpen(stream.get());
  59   CFIndex len =
  60       ::CFPropertyListWriteToStream(plist, stream.get(), format, NULL);
  61   if (len > 0)
  62     reset((CFDataRef)::CFWriteStreamCopyProperty(stream.get(),
  63                                                  kCFStreamPropertyDataWritten));
  64   ::CFWriteStreamClose(stream.get());
  65   return get();
  66 }