344 lines
10 KiB
C#
344 lines
10 KiB
C#
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/****************************************************************************
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* Copyright (c) 2017 snowcold
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* Copyright (c) 2017 ~ 2020.10 liangxie
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*
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* https://qframework.cn
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* https://github.com/liangxiegame/QFramework
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* https://gitee.com/liangxiegame/QFramework
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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****************************************************************************/
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using System.Collections.Generic;
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using System.IO;
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using ICSharpCode.SharpZipLib.Zip;
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using UnityEngine;
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namespace QFramework
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{
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public class ZipFileHelper : IZipFileHelper
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{
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private List<string> mSearchDirList = new List<string>();
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private string mStreamingAssetsPath;
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private ZipFile mZipFile = null;
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public ZipFile GetZipFile()
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{
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return mZipFile;
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}
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public ZipFileHelper()
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{
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mSearchDirList.Add(AssetBundlePathHelper.PersistentDataPath4Res);
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mStreamingAssetsPath = AssetBundlePathHelper.StreamingAssetsPath;
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#if (UNITY_ANDROID) && !UNITY_EDITOR
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if (mZipFile == null)
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{
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mZipFile = new ZipFile(File.Open(UnityEngine.Application.dataPath, FileMode.Open, FileAccess.Read));
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}
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#endif
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}
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~ZipFileHelper()
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{
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#if UNITY_ANDROID && !UNITY_EDITOR
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if (mZipFile != null)
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{
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mZipFile.Close();
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mZipFile = null;
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}
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#endif
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}
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public void InitStreamingAssetPath()
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{
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mStreamingAssetsPath = AssetBundlePathHelper.StreamingAssetsPath;
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}
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//在包内查找是否有改资源
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private bool FindResInAppInternal(string fileRelativePath)
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{
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#if UNITY_IPHONE && !UNITY_EDITOR
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string absoluteFilePath = FindFilePathInternal(fileRelativePath);
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return !string.IsNullOrEmpty(absoluteFilePath);
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#elif UNITY_ANDROID && !UNITY_EDITOR
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int entryIndex = mZipFile.FindEntry(string.Format("assets/{0}", fileRelativePath), false);
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return entryIndex != -1;
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#else
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string absoluteFilePath = string.Format("{0}{1}", mStreamingAssetsPath, fileRelativePath);
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return File.Exists(absoluteFilePath);
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#endif
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}
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private void AddSearchPath(string dir)
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{
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mSearchDirList.Add(dir);
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}
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public bool FileExists(string fileRelativePath)
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{
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#if UNITY_IPHONE && !UNITY_EDITOR
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string absoluteFilePath = FindFilePath(fileRelativePath);
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return (!string.IsNullOrEmpty(absoluteFilePath) && File.Exists(absoluteFilePath));
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#elif UNITY_ANDROID && !UNITY_EDITOR
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string absoluteFilePath = FindFilePathInExteral(fileRelativePath);
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//先到外存去找
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if (!string.IsNullOrEmpty(absoluteFilePath))
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{
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return File.Exists(absoluteFilePath);
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}
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else
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{
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if (mZipFile == null)
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{
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return false;
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}
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return mZipFile.FindEntry(string.Format("assets/{0}", fileRelativePath), true) >= 0;
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}
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#else
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string filePathStandalone = string.Format("{0}{1}", mStreamingAssetsPath, fileRelativePath);
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return (!string.IsNullOrEmpty(filePathStandalone) && File.Exists(filePathStandalone));
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#endif
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}
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public Stream OpenReadStream(string absFilePath)
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{
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if (string.IsNullOrEmpty(absFilePath))
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{
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return null;
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}
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#if UNITY_ANDROID && !UNITY_EDITOR
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//Android 包内
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if (absFilePath.Contains(".apk/"))
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{
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return OpenStreamInZip(absFilePath);
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}
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#endif
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FileInfo fileInfo = new FileInfo(absFilePath);
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if (!fileInfo.Exists)
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{
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return null;
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}
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return fileInfo.OpenRead();
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}
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public void GetFileInInner(string fileName, List<string> outResult)
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{
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#if UNITY_ANDROID && !UNITY_EDITOR
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//Android 包内
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GetFileInZip(mZipFile, fileName, outResult);
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return;
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#endif
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AssetBundlePathHelper.GetFileInFolder(AssetBundlePathHelper.StreamingAssetsPath, fileName, outResult);
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}
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public byte[] ReadSync(string fileRelativePath)
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{
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string absoluteFilePath = FindFilePathInExteral(fileRelativePath);
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if (!string.IsNullOrEmpty(absoluteFilePath))
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{
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return ReadSyncExtenal(fileRelativePath);
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}
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return ReadSyncInternal(fileRelativePath);
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}
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public byte[] ReadSyncByAbsoluteFilePath(string absoluteFilePath)
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{
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if (File.Exists(absoluteFilePath))
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{
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FileInfo fileInfo = new FileInfo(absoluteFilePath);
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return ReadFile(fileInfo);
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}
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else
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{
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return null;
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}
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}
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private byte[] ReadSyncExtenal(string fileRelativePath)
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{
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string absoluteFilePath = FindFilePathInExteral(fileRelativePath);
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if (!string.IsNullOrEmpty(absoluteFilePath))
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{
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FileInfo fileInfo = new FileInfo(absoluteFilePath);
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return ReadFile(fileInfo);
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}
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return null;
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}
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private byte[] ReadSyncInternal(string fileRelativePath)
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{
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#if UNITY_ANDROID && !UNITY_EDITOR
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return ReadDataInAndriodApk(fileRelativePath);
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#else
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string absoluteFilePath = FindFilePathInternal(fileRelativePath);
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if (!string.IsNullOrEmpty(absoluteFilePath))
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{
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FileInfo fileInfo = new FileInfo(absoluteFilePath);
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return ReadFile(fileInfo);
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}
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#endif
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return null;
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}
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private byte[] ReadFile(FileInfo fileInfo)
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{
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using (FileStream fileStream = fileInfo.OpenRead())
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{
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byte[] byteData = new byte[fileStream.Length];
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fileStream.Read(byteData, 0, byteData.Length);
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return byteData;
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}
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}
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private string FindFilePathInExteral(string file)
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{
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string filePath;
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for (int i = 0; i < mSearchDirList.Count; ++i)
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{
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filePath = string.Format("{0}/{1}", mSearchDirList[i], file);
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if (File.Exists(filePath))
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{
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return filePath;
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}
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}
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return string.Empty;
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}
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private string FindFilePath(string file)
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{
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// 先到搜索列表里找
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string filePath = FindFilePathInExteral(file);
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if (!string.IsNullOrEmpty(filePath))
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{
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return filePath;
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}
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// 在包内找
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filePath = FindFilePathInternal(file);
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if (!string.IsNullOrEmpty(filePath))
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{
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return filePath;
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}
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return null;
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}
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private string FindFilePathInternal(string file)
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{
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string filePath = string.Format("{0}{1}", mStreamingAssetsPath, file);
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if (File.Exists(filePath))
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{
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return filePath;
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}
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return null;
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}
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private Stream OpenStreamInZip(string absPath)
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{
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string tag = "!/assets/";
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string androidFolder = absPath.Substring(0, absPath.IndexOf(tag));
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int startIndex = androidFolder.Length + tag.Length;
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string relativePath = absPath.Substring(startIndex, absPath.Length - startIndex);
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ZipEntry zipEntry = mZipFile.GetEntry(string.Format("assets/{0}", relativePath));
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if (zipEntry != null)
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{
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return mZipFile.GetInputStream(zipEntry);
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}
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else
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{
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Debug.LogError($"Can't Find File {absPath}");
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}
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return null;
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}
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public void GetFileInZip(ZipFile zipFile, string fileName, List<string> outResult)
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{
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int totalCount = 0;
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foreach (var entry in zipFile)
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{
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++totalCount;
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ICSharpCode.SharpZipLib.Zip.ZipEntry e = entry as ICSharpCode.SharpZipLib.Zip.ZipEntry;
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if (e != null)
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{
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if (e.IsFile)
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{
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if (e.Name.EndsWith(fileName))
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{
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outResult.Add(zipFile.Name + "/!/" + e.Name);
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}
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}
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}
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}
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}
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private byte[] ReadDataInAndriodApk(string fileRelativePath)
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{
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byte[] byteData = null;
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//Log.I("Read From In App...");
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if (mZipFile == null)
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{
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Debug.LogError("can't open apk");
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return null;
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}
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//Log.I("Begin Open Zip...");
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ZipEntry zipEntry = mZipFile.GetEntry(string.Format("assets/{0}", fileRelativePath));
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//Log.I("End Open Zip...");
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if (zipEntry != null)
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{
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//Log.I("Begin Read Zip...");
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var stream = mZipFile.GetInputStream(zipEntry);
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byteData = new byte[zipEntry.Size];
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//Log.I("Read Zip Length:" + byteData.Length);
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stream.Read(byteData, 0, byteData.Length);
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stream.Close();
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}
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else
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{
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Debug.LogError(string.Format("Can't Find File {0}", fileRelativePath));
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}
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return byteData;
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}
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}
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}
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