lldb/source/Host/macosx/cfcpp/CFCData.cpp

   1 //===-- CFCData.cpp -------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "CFCData.h"
  10
  11 // CFCData constructor
  12 CFCData::CFCData(CFDataRef data) : CFCReleaser<CFDataRef>(data) {}
  13
  14 // CFCData copy constructor
  15 CFCData::CFCData(const CFCData &rhs) = default;
  16
  17 // CFCData copy constructor
  18 CFCData &CFCData::operator=(const CFCData &rhs)
  19
  20 {
  21   if (this != &rhs)
  22     *this = rhs;
  23   return *this;
  24 }
  25
  26 // Destructor
  27 CFCData::~CFCData() = default;
  28
  29 CFIndex CFCData::GetLength() const {
  30   CFDataRef data = get();
  31   if (data)
  32     return CFDataGetLength(data);
  33   return 0;
  34 }
  35
  36 const uint8_t *CFCData::GetBytePtr() const {
  37   CFDataRef data = get();
  38   if (data)
  39     return CFDataGetBytePtr(data);
  40   return NULL;
  41 }
  42
  43 CFDataRef CFCData::Serialize(CFPropertyListRef plist,
  44                              CFPropertyListFormat format) {
  45   CFAllocatorRef alloc = kCFAllocatorDefault;
  46   reset();
  47   CFCReleaser<CFWriteStreamRef> stream(
  48       ::CFWriteStreamCreateWithAllocatedBuffers(alloc, alloc));
  49   ::CFWriteStreamOpen(stream.get());
  50   CFIndex len = ::CFPropertyListWrite(plist, stream.get(), format, 0, nullptr);
  51   if (len > 0)
  52     reset((CFDataRef)::CFWriteStreamCopyProperty(stream.get(),
  53                                                  kCFStreamPropertyDataWritten));
  54   ::CFWriteStreamClose(stream.get());
  55   return get();
  56 }