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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkInformationVariantVectorKey.h"
#include "vtkInformation.h" // For vtkErrorWithObjectMacro
#include "vtkVariant.h"
#include <vector>
//------------------------------------------------------------------------------
VTK_ABI_NAMESPACE_BEGIN
vtkInformationVariantVectorKey ::vtkInformationVariantVectorKey(
const char* name, const char* location, int length)
: vtkInformationKey(name, location)
, RequiredLength(length)
{
vtkCommonInformationKeyManager::Register(this);
}
//------------------------------------------------------------------------------
vtkInformationVariantVectorKey::~vtkInformationVariantVectorKey() = default;
//------------------------------------------------------------------------------
void vtkInformationVariantVectorKey::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//------------------------------------------------------------------------------
class vtkInformationVariantVectorValue : public vtkObjectBase
{
public:
vtkBaseTypeMacro(vtkInformationVariantVectorValue, vtkObjectBase);
std::vector<vtkVariant> Value;
static vtkVariant Invalid;
};
vtkVariant vtkInformationVariantVectorValue::Invalid;
//------------------------------------------------------------------------------
void vtkInformationVariantVectorKey::Append(vtkInformation* info, const vtkVariant& value)
{
vtkInformationVariantVectorValue* v =
static_cast<vtkInformationVariantVectorValue*>(this->GetAsObjectBase(info));
if (v)
{
v->Value.push_back(value);
}
else
{
this->Set(info, &value, 1);
}
}
//------------------------------------------------------------------------------
void vtkInformationVariantVectorKey::Set(vtkInformation* info, const vtkVariant* value, int length)
{
if (value)
{
if (this->RequiredLength >= 0 && length != this->RequiredLength)
{
vtkErrorWithObjectMacro(info,
"Cannot store vtkVariant vector of length "
<< length << " with key " << this->Location << "::" << this->Name
<< " which requires a vector of length " << this->RequiredLength
<< ". Removing the key instead.");
this->SetAsObjectBase(info, nullptr);
return;
}
vtkInformationVariantVectorValue* v = new vtkInformationVariantVectorValue;
v->InitializeObjectBase();
v->Value.insert(v->Value.begin(), value, value + length);
this->SetAsObjectBase(info, v);
v->Delete();
}
else
{
this->SetAsObjectBase(info, nullptr);
}
}
//------------------------------------------------------------------------------
const vtkVariant* vtkInformationVariantVectorKey::Get(vtkInformation* info) const
{
const vtkInformationVariantVectorValue* v =
static_cast<const vtkInformationVariantVectorValue*>(this->GetAsObjectBase(info));
return (v && !v->Value.empty()) ? v->Value.data() : nullptr;
}
//------------------------------------------------------------------------------
const vtkVariant& vtkInformationVariantVectorKey::Get(vtkInformation* info, int idx) const
{
if (idx >= this->Length(info))
{
vtkErrorWithObjectMacro(info,
"Information does not contain " << idx << " elements. Cannot return information value.");
return vtkInformationVariantVectorValue::Invalid;
}
const vtkVariant* values = this->Get(info);
return values[idx];
}
//------------------------------------------------------------------------------
void vtkInformationVariantVectorKey::Get(vtkInformation* info, vtkVariant* value) const
{
const vtkInformationVariantVectorValue* v =
static_cast<const vtkInformationVariantVectorValue*>(this->GetAsObjectBase(info));
if (v && value)
{
for (std::vector<vtkVariant>::size_type i = 0; i < v->Value.size(); ++i)
{
value[i] = v->Value[i];
}
}
}
//------------------------------------------------------------------------------
int vtkInformationVariantVectorKey::Length(vtkInformation* info) const
{
const vtkInformationVariantVectorValue* v =
static_cast<const vtkInformationVariantVectorValue*>(this->GetAsObjectBase(info));
return v ? static_cast<int>(v->Value.size()) : 0;
}
//------------------------------------------------------------------------------
void vtkInformationVariantVectorKey::ShallowCopy(vtkInformation* from, vtkInformation* to)
{
this->Set(to, this->Get(from), this->Length(from));
}
//------------------------------------------------------------------------------
void vtkInformationVariantVectorKey::Print(ostream& os, vtkInformation* info)
{
// Print the value.
if (this->Has(info))
{
const vtkVariant* value = this->Get(info);
int length = this->Length(info);
const char* sep = "";
for (int i = 0; i < length; ++i)
{
os << sep << value[i];
sep = " ";
}
}
}
VTK_ABI_NAMESPACE_END
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