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o3de/Code/Framework/AzToolsFramework/AzToolsFramework/Slice/SliceRelationshipNode.h

103 lines
3.9 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#pragma once
#include <AzCore/std/string/string.h>
#include <AzCore/std/smart_ptr/shared_ptr.h>
#include <AzCore/std/containers/unordered_set.h>
namespace AzToolsFramework
{
class SliceDependencyBrowserComponent;
class SliceRelationshipNode
{
public:
friend class SliceDependencyBrowserComponent;
//////////////////////////////////////////////////////////////////////////
/*!
* Hashing and comparison functions for unordered sets of Slice relationship nodes
*/
struct HashSliceRelationshipNodeKey
{
AZStd::size_t operator()(const AZStd::shared_ptr<SliceRelationshipNode>& node) const
{
return static_cast<AZStd::size_t>(node->m_relativePathCrc);
}
};
struct HashSliceRelationshipNodeComparator
{
bool operator()(const AZStd::shared_ptr<SliceRelationshipNode>& left, const AZStd::shared_ptr<SliceRelationshipNode>& right) const
{
return (left->m_relativePathCrc == right->m_relativePathCrc);
}
};
using SliceRelationshipNodeSet = AZStd::unordered_set<AZStd::shared_ptr<SliceRelationshipNode>, HashSliceRelationshipNodeKey, HashSliceRelationshipNodeComparator>;
SliceRelationshipNode(const AZStd::string& sliceRelativePath);
SliceRelationshipNode(const AZStd::string& sliceRelativePath, AZ::Crc32 relativePathCrc);
/**
* \brief Adds a dependent to this Relationship node
* \param AZStd::shared_ptr<SliceRelationshipNode> dependent The dependent node
* \return bool true if a dependent was added false otherwise
*/
bool AddDependent(const AZStd::shared_ptr<SliceRelationshipNode>& dependent);
/**
* \brief Adds a dependency to this Relationship node
* \param AZStd::shared_ptr<SliceRelationshipNode> dependency The dependency node
* \return bool true if a dependency was added false otherwise
*/
bool AddDependency(const AZStd::shared_ptr<SliceRelationshipNode>& dependency);
/**
* \brief Returns the set of all dependent slice relationship nodes
* \return const AzToolsFramework::SliceRelationshipNode::SliceRelationshipNodeSet& The set of all dependent slice relationship nodes
*/
const SliceRelationshipNodeSet& GetDependents() const;
/**
* \brief Returns the set of all slice relationship nodes that this one depends on
* \return const AzToolsFramework::SliceRelationshipNode::SliceRelationshipNodeSet& The set of all slice relationship nodes that this one depends on
*/
const SliceRelationshipNodeSet& GetDependencies() const;
/**
* \brief Returns the relative path of this slice
* \return const AZStd::string& Relative path of this slice
*/
const AZStd::string& GetSliceRelativePath() const;
/**
* \brief Returns a Crc to the relative path of this slice
* \return const AzToolsFramework::AZ::Crc32&
*/
const AZ::Crc32& GetRelativePathCrc() const;
private:
//! Relative path to this slice
AZStd::string m_sliceRelativePath;
//! Crc32 of m_sliceRelativePath
AZ::Crc32 m_relativePathCrc;
//! Pointers to dependents and dependencies
SliceRelationshipNodeSet m_dependents;
SliceRelationshipNodeSet m_dependencies;
};
}