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- //------------------------------------------------------------
- // Game Framework
- // Copyright © 2013-2021 loyalsoft. All rights reserved.
- // Homepage: http://www.game7000.com/
- // Feedback: http://www.game7000.com/
- //------------------------------------------------------------
- using GameFramework;
- using GameFramework.DataTable;
- using System;
- using System.IO;
- using System.Text;
- using UnityEngine;
- namespace UnityGameFramework.Runtime
- {
- /// <summary>
- /// 默认数据表辅助器。
- /// </summary>
- public class DefaultDataTableHelper : DataTableHelperBase
- {
- private static readonly string BytesAssetExtension = ".bytes";
- private ResourceComponent m_ResourceComponent = null;
- /// <summary>
- /// 读取数据表。
- /// </summary>
- /// <param name="dataTable">数据表。</param>
- /// <param name="dataTableAssetName">数据表资源名称。</param>
- /// <param name="dataTableAsset">数据表资源。</param>
- /// <param name="userData">用户自定义数据。</param>
- /// <returns>是否读取数据表成功。</returns>
- public override bool ReadData(DataTableBase dataTable, string dataTableAssetName, object dataTableAsset, object userData)
- {
- TextAsset dataTableTextAsset = dataTableAsset as TextAsset;
- if (dataTableTextAsset != null)
- {
- if (dataTableAssetName.EndsWith(BytesAssetExtension, StringComparison.Ordinal))
- {
- return dataTable.ParseData(dataTableTextAsset.bytes, userData);
- }
- else
- {
- return dataTable.ParseData(dataTableTextAsset.text, userData);
- }
- }
- Log.Warning("Data table asset '{0}' is invalid.", dataTableAssetName);
- return false;
- }
- /// <summary>
- /// 读取数据表。
- /// </summary>
- /// <param name="dataTable">数据表。</param>
- /// <param name="dataTableAssetName">数据表资源名称。</param>
- /// <param name="dataTableBytes">数据表二进制流。</param>
- /// <param name="startIndex">数据表二进制流的起始位置。</param>
- /// <param name="length">数据表二进制流的长度。</param>
- /// <param name="userData">用户自定义数据。</param>
- /// <returns>是否读取数据表成功。</returns>
- public override bool ReadData(DataTableBase dataTable, string dataTableAssetName, byte[] dataTableBytes, int startIndex, int length, object userData)
- {
- if (dataTableAssetName.EndsWith(BytesAssetExtension, StringComparison.Ordinal))
- {
- return dataTable.ParseData(dataTableBytes, startIndex, length, userData);
- }
- else
- {
- return dataTable.ParseData(Utility.Converter.GetString(dataTableBytes, startIndex, length), userData);
- }
- }
- /// <summary>
- /// 解析数据表。
- /// </summary>
- /// <param name="dataTable">数据表。</param>
- /// <param name="dataTableString">要解析的数据表字符串。</param>
- /// <param name="userData">用户自定义数据。</param>
- /// <returns>是否解析数据表成功。</returns>
- public override bool ParseData(DataTableBase dataTable, string dataTableString, object userData)
- {
- try
- {
- int position = 0;
- string dataRowString = null;
- while ((dataRowString = dataTableString.ReadLine(ref position)) != null)
- {
- if (dataRowString[0] == '#')
- {
- continue;
- }
- if (!dataTable.AddDataRow(dataRowString, userData))
- {
- Log.Warning("Can not parse data row string '{0}'.", dataRowString);
- return false;
- }
- }
- return true;
- }
- catch (Exception exception)
- {
- Log.Warning("Can not parse data table string with exception '{0}'.", exception.ToString());
- return false;
- }
- }
- /// <summary>
- /// 解析数据表。
- /// </summary>
- /// <param name="dataTable">数据表。</param>
- /// <param name="dataTableBytes">要解析的数据表二进制流。</param>
- /// <param name="startIndex">数据表二进制流的起始位置。</param>
- /// <param name="length">数据表二进制流的长度。</param>
- /// <param name="userData">用户自定义数据。</param>
- /// <returns>是否解析数据表成功。</returns>
- public override bool ParseData(DataTableBase dataTable, byte[] dataTableBytes, int startIndex, int length, object userData)
- {
- try
- {
- using (MemoryStream memoryStream = new MemoryStream(dataTableBytes, startIndex, length, false))
- {
- using (BinaryReader binaryReader = new BinaryReader(memoryStream, Encoding.UTF8))
- {
- while (binaryReader.BaseStream.Position < binaryReader.BaseStream.Length)
- {
- int dataRowBytesLength = binaryReader.Read7BitEncodedInt32();
- if (!dataTable.AddDataRow(dataTableBytes, (int)binaryReader.BaseStream.Position, dataRowBytesLength, userData))
- {
- Log.Warning("Can not parse data row bytes.");
- return false;
- }
- binaryReader.BaseStream.Position += dataRowBytesLength;
- }
- }
- }
- return true;
- }
- catch (Exception exception)
- {
- Log.Warning("Can not parse dictionary bytes with exception '{0}'.", exception.ToString());
- return false;
- }
- }
- /// <summary>
- /// 释放数据表资源。
- /// </summary>
- /// <param name="dataTable">数据表。</param>
- /// <param name="dataTableAsset">要释放的数据表资源。</param>
- public override void ReleaseDataAsset(DataTableBase dataTable, object dataTableAsset)
- {
- m_ResourceComponent.UnloadAsset(dataTableAsset);
- }
- private void Start()
- {
- m_ResourceComponent = GameEntry.GetComponent<ResourceComponent>();
- if (m_ResourceComponent == null)
- {
- Log.Fatal("Resource component is invalid.");
- return;
- }
- }
- }
- }
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