91 lines
2.6 KiB
C#
91 lines
2.6 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.IO;
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using JetBrains.Annotations;
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using UnityEngine;
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namespace UnityEditor.Searcher
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{
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[PublicAPI]
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public abstract class SearcherDatabaseBase
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{
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protected const string k_SerializedJsonFile = "/SerializedDatabase.json";
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public string DatabaseDirectory { get; set; }
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public IList<SearcherItem> ItemList => m_ItemList;
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// ReSharper disable once Unity.RedundantSerializeFieldAttribute
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[SerializeField]
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protected List<SearcherItem> m_ItemList;
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protected SearcherDatabaseBase(string databaseDirectory)
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{
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DatabaseDirectory = databaseDirectory;
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}
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public virtual void BuildIndex() { }
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public abstract List<SearcherItem> Search(string query, out float localMaxScore);
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internal void OverwriteId(int newId)
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{
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Id = newId;
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}
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internal int Id { get; private set; }
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protected void LoadFromFile()
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{
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var reader = new StreamReader(DatabaseDirectory + k_SerializedJsonFile);
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var serializedData = reader.ReadToEnd();
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reader.Close();
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EditorJsonUtility.FromJsonOverwrite(serializedData, this);
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foreach (var item in m_ItemList)
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{
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item.OverwriteDatabase(this);
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item.ReInitAfterLoadFromFile();
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}
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}
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protected void SerializeToFile()
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{
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if (DatabaseDirectory == null)
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return;
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var serializedData = EditorJsonUtility.ToJson(this, true);
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var writer = new StreamWriter(DatabaseDirectory + k_SerializedJsonFile, false);
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writer.Write(serializedData);
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writer.Close();
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}
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protected void AddItemToIndex(SearcherItem item, ref int lastId, Action<SearcherItem> action)
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{
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m_ItemList.Insert(lastId, item);
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// We can only set the id here as we only know the final index of the item here.
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item.OverwriteId(lastId);
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item.GeneratePath();
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action?.Invoke(item);
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lastId++;
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// This is used for sorting results between databases.
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item.OverwriteDatabase(this);
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if (!item.HasChildren)
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return;
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var childrenIds = new List<int>();
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foreach (SearcherItem child in item.Children)
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{
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AddItemToIndex(child, ref lastId, action);
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childrenIds.Add(child.Id);
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}
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item.OverwriteChildrenIds(childrenIds);
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}
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}
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}
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