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/*
* Copyright 2009, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// This file contains the implementation of class ParamArray.
#include "core/cross/precompile.h"
#include "core/cross/param_array.h"
#include "core/cross/error.h"
#include "core/cross/iclass_manager.h"
namespace o3d {
O3D_DEFN_CLASS(ParamArray, NamedObject);
O3D_DEFN_CLASS(ParamParamArray, RefParamBase);
ParamArray::ParamArray(ServiceLocator* service_locator)
: NamedObject(service_locator),
class_manager_(service_locator->GetService<IClassManager>()),
weak_pointer_manager_(this) {
}
ParamArray::~ParamArray() {
// Tell each Param to Unbind so that other things will let go of it.
{
ParamRefVector::iterator end(params_.end());
for (ParamRefVector::iterator iter(params_.begin());
iter != end;
++iter) {
Param* param = (*iter).Get();
if (param) {
param->UnbindInput();
param->UnbindOutputs();
}
}
}
}
Param* ParamArray::CreateParamByClass(unsigned index,
const ObjectBase::Class* type) {
if (!ObjectBase::ClassIsA(type, Param::GetApparentClass())) {
O3D_ERROR(service_locator()) << type->name()
<< " is not a type of Param";
} else {
// Create and insert Params until creating this new Param will not be
// out of range.
if (params_.size() <= index) {
params_.reserve(index + 1);
while (params_.size() <= index) {
Param::Ref param(down_cast<Param*>(
class_manager_->CreateObjectByClass(type).Get()));
if (param.IsNull()) {
O3D_ERROR(service_locator())
<< "could not create param at index " << params_.size();
}
params_.push_back(param);
}
}
// Create our new Param.
{
Param::Ref param(down_cast<Param*>(
class_manager_->CreateObjectByClass(type).Get()));
if (!param.IsNull()) {
params_[index]->UnbindInput();
params_[index]->UnbindOutputs();
params_[index] = param;
return param.Get();
}
}
}
return NULL;
}
Param* ParamArray::CreateParamByClassName(unsigned index,
const String& class_type_name) {
const ObjectBase::Class* class_type = class_manager_->GetClassByClassName(
class_type_name);
if (!class_type) {
O3D_ERROR(service_locator()) << class_type_name
<< " is not a type of Param";
return NULL;
}
return CreateParamByClass(index, class_type);
}
void ParamArray::ResizeByClass(unsigned num_params,
const ObjectBase::Class* type) {
if (num_params > params_.size()) {
CreateParamByClass(num_params - 1, type);
} else if (num_params < params_.size()) {
RemoveParams(num_params, params_.size() - num_params);
}
}
void ParamArray::ResizeByClassName(unsigned num_params,
const String& class_type_name) {
const ObjectBase::Class* class_type = class_manager_->GetClassByClassName(
class_type_name);
if (!class_type) {
O3D_ERROR(service_locator()) << class_type_name
<< " is not a type of Param";
return;
}
ResizeByClass(num_params, class_type);
}
void ParamArray::RemoveParams(unsigned start_index, unsigned num_to_remove) {
if (start_index < params_.size() && num_to_remove > 0) {
unsigned end_index = start_index + num_to_remove;
if (end_index > params_.size()) {
end_index = params_.size();
}
for (unsigned ii = start_index; ii < end_index; ++ii) {
params_[ii]->UnbindInput();
params_[ii]->UnbindOutputs();
}
params_.erase(params_.begin() + start_index, params_.begin() + end_index);
}
}
bool ParamArray::ParamInArray(const Param* param) const {
for (unsigned ii = 0; ii < params_.size(); ++ii) {
if (params_[ii] == param) {
return true;
}
}
return false;
}
ObjectBase::Ref ParamArray::Create(ServiceLocator* service_locator) {
return ObjectBase::Ref(new ParamArray(service_locator));
}
ObjectBase::Ref ParamParamArray::Create(ServiceLocator* service_locator) {
return ObjectBase::Ref(new ParamParamArray(service_locator, false, false));
}
} // namespace o3d
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