AS_asset_catalog_tree.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include <map>
 
#include "AS_asset_catalog.hh"
 
namespace blender::asset_system {
 
class AssetCatalogTreeItem {
 public:
  using ChildMap = std::map<std::string, AssetCatalogTreeItem>;
  using ItemIterFn = FunctionRef<void(const AssetCatalogTreeItem &)>;
 
 private:
  ChildMap children_;
  CatalogPathComponent name_;
  CatalogID catalog_id_;
  std::string simple_name_;
  bool has_unsaved_changes_ = false;
 
  const AssetCatalogTreeItem *parent_ = nullptr;
 
  friend class AssetCatalogTree;
 
 public:
  AssetCatalogTreeItem(StringRef name,
                       CatalogID catalog_id,
                       StringRef simple_name,
                       const AssetCatalogTreeItem *parent = nullptr);
 
  CatalogID get_catalog_id() const;
  StringRefNull get_simple_name() const;
  StringRefNull get_name() const;
  bool has_unsaved_changes() const;
  AssetCatalogPath catalog_path() const;
  int count_parents() const;
  bool has_children() const;
 
  void foreach_child(ItemIterFn callback) const;
 
 private:
  static void foreach_item_recursive(const ChildMap &children_, ItemIterFn callback);
};
 
class AssetCatalogTree {
  using ChildMap = AssetCatalogTreeItem::ChildMap;
  using ItemIterFn = AssetCatalogTreeItem::ItemIterFn;
 
  ChildMap root_items_;
 
 public:
  void insert_item(const AssetCatalog &catalog);
 
  void foreach_item(ItemIterFn callback) const;
  void foreach_root_item(ItemIterFn callback) const;
 
  bool is_empty() const;
 
  const AssetCatalogTreeItem *find_item(const AssetCatalogPath &path) const;
  const AssetCatalogTreeItem *find_root_item(const AssetCatalogPath &path) const;
};
 
}  // namespace blender::asset_system