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ClearScript/ClearScript/V8/ClearScriptV8/V8ObjectImpl.cpp at master · killvxk/ClearScript · GitHub
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V8ObjectImpl.cpp
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ClearScript
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V8ObjectImpl.cpp
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//
Copyright (c) Microsoft Corporation. All rights reserved.
//
Licensed under the MIT license.
#
include
"
ClearScriptV8Managed.h
"
namespace
Microsoft
{
namespace
ClearScript
{
namespace
V8
{
//
-------------------------------------------------------------------------
//
local helper functions
//
-------------------------------------------------------------------------
static
void
ArrayBufferOrViewDataCallback
(
void
* pvData,
void
* pvArg)
{
(*
static_cast
<Action<IntPtr>^*>(pvArg))(
IntPtr
(pvData));
}
//
-------------------------------------------------------------------------
//
V8ObjectImpl implementation
//
-------------------------------------------------------------------------
V8ObjectImpl::V8ObjectImpl
(V8ObjectHolder* pHolder, V8Value::Subtype subtype):
m_gcLock
(gcnew Object),
m_pspHolder
(
new
SharedPtr<V8ObjectHolder>(pHolder)),
m_Subtype
(subtype)
{
}
//
-------------------------------------------------------------------------
Object^ V8ObjectImpl::GetProperty(String^ gcName)
{
try
{
return
V8ContextProxyImpl::ExportValue
(
V8ObjectHelpers::GetProperty
(
GetHolder
(),
StdString
(gcName)));
}
catch
(
const
V8Exception& exception)
{
exception.
ThrowScriptEngineException
();
}
}
//
-------------------------------------------------------------------------
void
V8ObjectImpl::SetProperty
(String^ gcName, Object^ gcValue)
{
try
{
V8ObjectHelpers::SetProperty
(
GetHolder
(),
StdString
(gcName),
V8ContextProxyImpl::ImportValue
(gcValue));
}
catch
(
const
V8Exception& exception)
{
exception.
ThrowScriptEngineException
();
}
}
//
-------------------------------------------------------------------------
bool
V8ObjectImpl::DeleteProperty
(String^ gcName)
{
try
{
return
V8ObjectHelpers::DeleteProperty
(
GetHolder
(),
StdString
(gcName));
}
catch
(
const
V8Exception& exception)
{
exception.
ThrowScriptEngineException
();
}
}
//
-------------------------------------------------------------------------
array<String^>^ V8ObjectImpl::GetPropertyNames()
{
try
{
std::vector<StdString> names;
V8ObjectHelpers::GetPropertyNames
(
GetHolder
(), names);
auto
nameCount =
static_cast
<
int
>(names.
size
());
auto
gcNames = gcnew array<String^>(nameCount);
for
(
auto
index =
0
; index < nameCount; index++)
{
gcNames[index] = names[index].
ToManagedString
();
}
return
gcNames;
}
catch
(
const
V8Exception& exception)
{
exception.
ThrowScriptEngineException
();
}
}
//
-------------------------------------------------------------------------
Object^ V8ObjectImpl::GetProperty(
int
index)
{
try
{
return
V8ContextProxyImpl::ExportValue
(
V8ObjectHelpers::GetProperty
(
GetHolder
(), index));
}
catch
(
const
V8Exception& exception)
{
exception.
ThrowScriptEngineException
();
}
}
//
-------------------------------------------------------------------------
void
V8ObjectImpl::SetProperty
(
int
index, Object^ gcValue)
{
try
{
V8ObjectHelpers::SetProperty
(
GetHolder
(), index,
V8ContextProxyImpl::ImportValue
(gcValue));
}
catch
(
const
V8Exception& exception)
{
exception.
ThrowScriptEngineException
();
}
}
//
-------------------------------------------------------------------------
bool
V8ObjectImpl::DeleteProperty
(
int
index)
{
try
{
return
V8ObjectHelpers::DeleteProperty
(
GetHolder
(), index);
}
catch
(
const
V8Exception& exception)
{
exception.
ThrowScriptEngineException
();
}
}
//
-------------------------------------------------------------------------
array<
int
>^ V8ObjectImpl::GetPropertyIndices()
{
try
{
std::vector<
int
> indices;
V8ObjectHelpers::GetPropertyIndices
(
GetHolder
(), indices);
auto
indexCount =
static_cast
<
int
>(indices.
size
());
auto
gcIndices = gcnew array<
int
>(indexCount);
for
(
auto
index =
0
; index < indexCount; index++)
{
gcIndices[index] = indices[index];
}
return
gcIndices;
}
catch
(
const
V8Exception& exception)
{
exception.
ThrowScriptEngineException
();
}
}
//
-------------------------------------------------------------------------
Object^ V8ObjectImpl::Invoke(
bool
asConstructor, array<Object^>^ gcArgs)
{
try
{
std::vector<V8Value> importedArgs;
ImportValues
(gcArgs, importedArgs);
return
V8ContextProxyImpl::ExportValue
(
V8ObjectHelpers::Invoke
(
GetHolder
(), asConstructor, importedArgs));
}
catch
(
const
V8Exception& exception)
{
exception.
ThrowScriptEngineException
();
}
}
//
-------------------------------------------------------------------------
Object^ V8ObjectImpl::InvokeMethod(String^ gcName, array<Object^>^ gcArgs)
{
try
{
std::vector<V8Value> importedArgs;
ImportValues
(gcArgs, importedArgs);
return
V8ContextProxyImpl::ExportValue
(
V8ObjectHelpers::InvokeMethod
(
GetHolder
(),
StdString
(gcName), importedArgs));
}
catch
(
const
V8Exception& exception)
{
exception.
ThrowScriptEngineException
();
}
}
//
-------------------------------------------------------------------------
bool
V8ObjectImpl::IsArrayBufferOrView
()
{
return
m_Subtype != V8Value::Subtype::None;
}
//
-------------------------------------------------------------------------
V8ArrayBufferOrViewKind
V8ObjectImpl::GetArrayBufferOrViewKind
()
{
auto
kind = V8ArrayBufferOrViewKind::None;
if
(m_Subtype == V8Value::Subtype::ArrayBuffer)
kind = V8ArrayBufferOrViewKind::ArrayBuffer;
else
if
(m_Subtype == V8Value::Subtype::DataView)
kind = V8ArrayBufferOrViewKind::DataView;
else
if
(m_Subtype == V8Value::Subtype::Uint8Array)
kind = V8ArrayBufferOrViewKind::Uint8Array;
else
if
(m_Subtype == V8Value::Subtype::Uint8ClampedArray)
kind = V8ArrayBufferOrViewKind::Uint8ClampedArray;
else
if
(m_Subtype == V8Value::Subtype::Int8Array)
kind = V8ArrayBufferOrViewKind::Int8Array;
else
if
(m_Subtype == V8Value::Subtype::Uint16Array)
kind = V8ArrayBufferOrViewKind::Uint16Array;
else
if
(m_Subtype == V8Value::Subtype::Int16Array)
kind = V8ArrayBufferOrViewKind::Int16Array;
else
if
(m_Subtype == V8Value::Subtype::Uint32Array)
kind = V8ArrayBufferOrViewKind::Uint32Array;
else
if
(m_Subtype == V8Value::Subtype::Int32Array)
kind = V8ArrayBufferOrViewKind::Int32Array;
else
if
(m_Subtype == V8Value::Subtype::Float32Array)
kind = V8ArrayBufferOrViewKind::Float32Array;
else
if
(m_Subtype == V8Value::Subtype::Float64Array)
kind = V8ArrayBufferOrViewKind::Float64Array;
return
kind;
}
//
-------------------------------------------------------------------------
V8ArrayBufferOrViewInfo^ V8ObjectImpl::GetArrayBufferOrViewInfo()
{
try
{
auto
kind =
GetArrayBufferOrViewKind
();
if
(kind != V8ArrayBufferOrViewKind::None)
{
V8Value
arrayBuffer
(V8Value::Null);
size_t
offset;
size_t
size;
size_t
length;
V8ObjectHelpers::GetArrayBufferOrViewInfo
(
GetHolder
(), arrayBuffer, offset, size, length);
return
gcnew
V8ArrayBufferOrViewInfo
(kind, (IV8Object^)
V8ContextProxyImpl::ExportValue
(arrayBuffer), offset, size, length);
}
return
nullptr
;
}
catch
(
const
V8Exception& exception)
{
exception.
ThrowScriptEngineException
();
}
}
//
-------------------------------------------------------------------------
void
V8ObjectImpl::InvokeWithArrayBufferOrViewData
(Action<IntPtr>^ gcAction)
{
try
{
V8ObjectHelpers::InvokeWithArrayBufferOrViewData
(
GetHolder
(), ArrayBufferOrViewDataCallback, &gcAction);
}
catch
(
const
V8Exception& exception)
{
exception.
ThrowScriptEngineException
();
}
}
//
-------------------------------------------------------------------------
SharedPtr<V8ObjectHolder>
V8ObjectImpl::GetHolder
()
{
BEGIN_LOCK_SCOPE
(m_gcLock)
if
(m_pspHolder ==
nullptr
)
{
throw
gcnew
ObjectDisposedException
(
ToString
());
}
return
*m_pspHolder;
END_LOCK_SCOPE
}
//
-------------------------------------------------------------------------
V8Value::Subtype
V8ObjectImpl::GetSubtype
()
{
return
m_Subtype;
}
//
-------------------------------------------------------------------------
V8ObjectImpl::~V8ObjectImpl
()
{
SharedPtr<V8ObjectHolder> spHolder;
BEGIN_LOCK_SCOPE
(m_gcLock)
if
(m_pspHolder !=
nullptr
)
{
//
hold V8 object holder for destruction outside lock scope
spHolder = *m_pspHolder;
delete
m_pspHolder;
m_pspHolder =
nullptr
;
}
END_LOCK_SCOPE
if
(!spHolder.
IsEmpty
())
{
GC::SuppressFinalize
(
this
);
}
}
//
-------------------------------------------------------------------------
V8ObjectImpl::!V8ObjectImpl()
{
if
(m_pspHolder !=
nullptr
)
{
delete
m_pspHolder;
m_pspHolder =
nullptr
;
}
}
//
-------------------------------------------------------------------------
void
V8ObjectImpl::ImportValues
(array<Object^>^ gcValues, std::vector<V8Value>& importedValues)
{
importedValues.
clear
();
if
(gcValues !=
nullptr
)
{
auto
valueCount = gcValues->
Length
;
importedValues.
reserve
(valueCount);
for
(
auto
index =
0
; index < valueCount; index++)
{
importedValues.
push_back
(
V8ContextProxyImpl::ImportValue
(gcValues[index]));
}
}
}
}}}
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