tonic::DartByteData Class Reference

#include <dart_byte_data.h>

Public Member Functions
	DartByteData (Dart_Handle list)
	DartByteData (DartByteData &&other)
	DartByteData ()
	~DartByteData ()
const void *	data () const
void *	data ()
size_t	length_in_bytes () const
Dart_Handle	dart_handle () const
std::vector< char >	Copy () const
void	Release () const
	operator bool () const

Static Public Member Functions
static Dart_Handle	Create (const void *data, size_t length)

Static Public Attributes
static const size_t	kExternalSizeThreshold = 1000

Detailed Description

Definition at line 15 of file dart_byte_data.h.

Constructor & Destructor Documentation

DartByteData() [1/3]

tonic::DartByteData::DartByteData ( Dart_Handle  list )

explicit

Definition at line 57 of file dart_byte_data.cc.

    : data_(nullptr), length_in_bytes_(0), dart_handle_(list) {
  if (Dart_IsNull(list))
    return;
 
  Dart_TypedData_Type type;
  Dart_TypedDataAcquireData(list, &type, &data_, &length_in_bytes_);
  TONIC_DCHECK(!CheckAndHandleError(list));
  if (type != Dart_TypedData_kByteData)
    Dart_ThrowException(ToDart("Non-genuine ByteData passed to engine."));
}

DartByteData() [2/3]

tonic::DartByteData::DartByteData

(

DartByteData &&

other

)

Definition at line 69 of file dart_byte_data.cc.

    : data_(other.data_),
      length_in_bytes_(other.length_in_bytes_),
      dart_handle_(other.dart_handle_) {
  other.data_ = nullptr;
  other.dart_handle_ = nullptr;
}

DartByteData() [3/3]

tonic::DartByteData::DartByteData

(

)

Definition at line 39 of file dart_byte_data.cc.

    : data_(nullptr), length_in_bytes_(0), dart_handle_(nullptr) {}

~DartByteData()

tonic::DartByteData::~DartByteData

(

)

Definition at line 77 of file dart_byte_data.cc.

                            {
  Release();
}

Member Function Documentation

Copy()

std::vector< char > tonic::DartByteData::Copy

(

)

const

Definition at line 81 of file dart_byte_data.cc.

                                         {
  const char* ptr = static_cast<const char*>(data_);
  return std::vector<char>(ptr, ptr + length_in_bytes_);
}

Create()

Dart_Handle tonic::DartByteData::Create ( const void *  data, size_t  length  )

static

Definition at line 25 of file dart_byte_data.cc.

                                                                {
  if (length < kExternalSizeThreshold) {
    auto handle = DartByteData{data, length}.dart_handle();
    // The destructor should release the typed data.
    return handle;
  } else {
    void* buf = ::malloc(length);
    TONIC_DCHECK(buf);
    ::memcpy(buf, data, length);
    return Dart_NewExternalTypedDataWithFinalizer(
        Dart_TypedData_kByteData, buf, length, buf, length, FreeFinalizer);
  }
}

dart_handle()

Dart_Handle tonic::DartByteData::dart_handle ( ) const

inline

Definition at line 28 of file dart_byte_data.h.

{ return dart_handle_; }

data() [1/2]

void * tonic::DartByteData::data ( )

inline

Definition at line 26 of file dart_byte_data.h.

{ return data_; }

data() [2/2]

const void * tonic::DartByteData::data ( ) const

inline

Definition at line 25 of file dart_byte_data.h.

{ return data_; }

length_in_bytes()

size_t tonic::DartByteData::length_in_bytes ( ) const

inline

Definition at line 27 of file dart_byte_data.h.

{ return length_in_bytes_; }

operator bool()

tonic::DartByteData::operator bool ( ) const

inlineexplicit

Definition at line 33 of file dart_byte_data.h.

{ return data_ != nullptr; }

Release()

void tonic::DartByteData::Release

(

)

const

Definition at line 86 of file dart_byte_data.cc.

                                 {
  if (data_) {
    Dart_TypedDataReleaseData(dart_handle_);
    data_ = nullptr;
  }
}

Member Data Documentation

kExternalSizeThreshold

const size_t tonic::DartByteData::kExternalSizeThreshold = 1000

static

Definition at line 17 of file dart_byte_data.h.

---

The documentation for this class was generated from the following files:

• third_party/tonic/typed_data/dart_byte_data.h
• third_party/tonic/typed_data/dart_byte_data.cc