public Stream OpenFileAsStream(string strFileName)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName))
{
throw new ArgumentNullException(strFileName);
}
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findFile = null;
foreach (var v in conn.ZipTarget.Entries)
{
if (v.IsDirectory)
{
continue;
}
if (string.Compare(v.Key, strFileName, true) == 0)
{
findFile = v;
break;
}
}
if (findFile != null)
{
return(conn.GetUnCompressStream(findFile));
}
return(null);
}
public bool FileExists(string strFileName)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName))
{
return(false);
}
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findFile = null;
foreach (var v in conn.ZipTarget.Entries)
{
if (v.IsDirectory)
{
continue;
}
if (string.Compare(v.Key, strFileName, true) == 0)
{
findFile = v;
break;
}
}
if (findFile != null)
{
return(true);
}
return(false);
}
/// <summary>
/// 返回规范化的目录名称 不以'/'开头和结尾
/// </summary>
/// <param name="dirs"></param>
/// <returns></returns>
public int GetDirs(out List <string> dirs)
{
dirs = new List <string>();
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
string fileInDir = "";
string strFile;
foreach (var ze in conn.ZipTarget.Entries)
{
if (ze.Key != "/") //最顶层就不要了
{
fileInDir = DiskReadZip_FilePacker._getFileLegalLowerDir(ze.Key);
fileInDir = GetFirstDir(fileInDir, out strFile);
if (!dirs.Contains(fileInDir))
{
dirs.Add(fileInDir);
}
}
}
return(dirs.Count);
}
public void DelFile(string strFileName)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName))
{
return;
}
//压缩包文件存储格式
//目录 "a/b/c/"
//文件 "a/test.txt"
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findFile = null;
foreach (var v in conn.ZipTarget.Entries)
{
if (v.IsDirectory)
{
continue;
}
if (string.Compare(v.Key, strFileName, true) == 0)
{
findFile = v;
break;
}
}
if (findFile != null)
{
conn.ZipTarget.RemoveEntry(findFile);
findFile.Close();
}
}
//
/// <summary>
/// 打开压缩包
/// </summary>
/// <param name="tableName"></param>
public void BeginUpdate(string tableName)
{
DiskReadZip_ConnectInfo conn = CheckConnection(tableName);
//conn.BeginTransaction();
conn.Open();
}
public byte[] OpenFile(string strFileName)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName))
{
throw new ArgumentNullException(strFileName);
}
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findFile = null;
foreach (var v in conn.ZipTarget.Entries)
{
if (v.IsDirectory)
{
continue;
}
if (string.Compare(v.Key, strFileName, true) == 0)
{
findFile = v;
break;
}
}
byte[] buf = null;
if (findFile != null)
{
using (MemoryStream ms = conn.GetUnCompressStream(findFile)) {
buf = ms.ToArray();
ms.Close();//关闭流
}
}
return(buf);
}
public DateTime GetUpdateDate(string strFileName)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName))
{
throw new ArgumentNullException(strFileName);
}
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findFile = null;
DateTime updateTime = DateTime.MinValue;
foreach (var v in conn.ZipTarget.Entries)
{
if (v.IsDirectory)
{
continue;
}
if (string.Compare(v.Key, strFileName, true) == 0)
{
findFile = v;
updateTime = v.LastModifiedTime ?? DateTime.MinValue;
break;
}
}
return(updateTime);
}
/// <summary>
/// dir要规范，不要带'/'结尾
/// </summary>
/// <param name="strDir">strDir不能为""或者"/" 或者"\\"</param>
public void DelDir(string strDir)
{
strDir = DiskReadZip_FilePacker._getFileLegalLowerDir(strDir);
if (string.IsNullOrEmpty(strDir))
{
return;//不能删除所有？
}
strDir = strDir + "/";
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
//目录对上的就要删除
//修改所有的匹配目录名称
List <SharpCompress.Archive.Zip.ZipArchiveEntry> olddirs = new List <SharpCompress.Archive.Zip.ZipArchiveEntry>();
foreach (var ze in conn.ZipTarget.Entries)
{
//if (ze.IsDirectory) {
if (ze.Key.ToLower().StartsWith(strDir))
{
olddirs.Add(ze);
}
//}
}
//删除目录以及其中的文件
for (int i = olddirs.Count - 1; i >= 0; i--)
{
conn.ZipTarget.RemoveEntry(olddirs[i]);
olddirs[i].Close();
}
}
public int GetFiles(string strDir, out List <string> fileNames, out int totalSize)
{
fileNames = new List <string>();
totalSize = 0;
strDir = DiskReadZip_FilePacker._getFileLegalLowerDir(strDir);
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
//所有的匹配目录名称
List <SharpCompress.Archive.Zip.ZipArchiveEntry> filesInDir = new List <SharpCompress.Archive.Zip.ZipArchiveEntry>();
if (string.IsNullOrEmpty(strDir))
{
//最顶层 则是所有的文件
foreach (var ze in conn.ZipTarget.Entries)
{
if (!ze.IsDirectory)
{
filesInDir.Add(ze);
}
}
}
else
{
//非最顶层
strDir = strDir + "/";
//ToDo:查找里面的所有文件
foreach (var ze in conn.ZipTarget.Entries)
{
if (!ze.IsDirectory)
{
if (ze.Key.ToLower().StartsWith(strDir))
{
filesInDir.Add(ze);
}
}
}
}
foreach (var v in filesInDir)
{
fileNames.Add(v.Key);
totalSize += (int)v.Size;
}
//
int count = filesInDir.Count;
return(count);
}
/// <summary>
/// 保存压缩包，中途不要保存
/// </summary>
/// <param name="tableName"></param>
/// <param name="success">false：放弃修改，直接关闭。true：先保存到缓存，完成后覆盖到当前</param>
public void EndUpdate(string tableName, bool success)
{
DiskReadZip_ConnectInfo conn = CheckConnection(tableName);
if (success)
{
conn.Save();//代价是否大了点?
}
else
{
//conn.Rollback();//放弃 重新打开
conn.Close();//放弃,关闭
}
//(file as IRQ_FileTable).m_trans = null;
}
public IFileSysPackerStrategy GetFileTable(string tableName)
{
if (string.IsNullOrEmpty(tableName))
{
throw new ArgumentNullException(tableName);
}
if (!IsTableExists(tableName))
{
return(null);
}
DiskReadZip_ConnectInfo m_Conn = CheckConnection(tableName);
IFileSysPackerStrategy ret = new DiskReadZip_FileTable(this, m_Conn);
ret.Name = tableName;
return(ret);
}
public void Clean()
{
//清除所有
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
List <SharpCompress.Archive.Zip.ZipArchiveEntry> allFiles = new List <SharpCompress.Archive.Zip.ZipArchiveEntry>();
foreach (var v in conn.ZipTarget.Entries)
{
allFiles.Add(v);
}
//移除所有项目
for (int i = allFiles.Count - 1; i >= 0; i--)
{
conn.ZipTarget.RemoveEntry(allFiles[i]);
allFiles[i].Close();
}
allFiles.Clear();
}
/// <summary>
/// 一般不使用吧,外面判断新文件名是否已经存在,不要'/'开头
/// </summary>
/// <param name="strFileName">相对目录路径名</param>
/// <param name="strNewFile">相对目录路径名</param>
public void RenameFile(string strFileName, string strNewFile)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
strNewFile = DiskReadZip_FilePacker._getFileLegalLowerDir(strNewFile);
if (string.IsNullOrEmpty(strFileName) || string.IsNullOrEmpty(strNewFile))
{
return; //名称不能为空
}
if (string.Compare(strFileName, strNewFile) == 0)
{
return; //没有修改
}
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
//ToDo:
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findfile = null;
foreach (var ze in conn.ZipTarget.Entries)
{
if (ze.IsDirectory)
{
continue;
}
if (string.Compare(ze.Key, strFileName, true) == 0)
{
findfile = ze;
break;
}
}
if (findfile != null)
{
//外面判断新文件是否存在
MemoryStream ms = conn.GetUnCompressStream(findfile);
conn.ZipTarget.AddEntry(strNewFile, ms, true, ms.Length, findfile.LastModifiedTime);
conn.ZipTarget.RemoveEntry(findfile);
findfile.Close();
}
}
/// <summary>
/// 检测压缩文件是否存在，如果不存在则创建文件并加入表中，返回连接.z文件对象
/// </summary>
/// <param name="tableName"></param>
/// <returns></returns>
internal DiskReadZip_ConnectInfo CheckConnection(string tableName)
{
if (!m_Conns.ContainsKey(tableName))
{
//创建
string dbname = _GetTableFileFullPath(tableName);
bool fileExist = File.Exists(dbname);//存在文件就直接打开,否则创建
//conn = new SQLiteConnection(dbname, fileExist ? SQLiteOpenFlags.ReadWrite : (SQLiteOpenFlags.ReadWrite | SQLiteOpenFlags.Create));
if (fileExist)
{
//检测是否为压缩文件
using (FileStream fst = new FileStream(dbname, FileMode.Open, FileAccess.Read)) {
fileExist = SharpCompress.Archive.Zip.ZipArchive.IsZipFile(fst);//非压缩文件
//压缩文件系统 没必要一直处于打开状态吧 用完销毁
}
}
if (!fileExist)
{
using (SharpCompress.Archive.Zip.ZipArchive con = SharpCompress.Archive.Zip.ZipArchive.Create()) {
using (FileStream fst = new FileStream(dbname, FileMode.Create, FileAccess.Write)) {
con.SaveTo(fst, new SharpCompress.Common.CompressionInfo());//保存完毕
}
}
}
//
//FileStream fs = new FileStream(dbname, FileMode.Open, FileAccess.ReadWrite);
//conn = SharpCompress.Archive.Zip.ZipArchive.Open(fs);
DiskReadZip_ConnectInfo ci = new DiskReadZip_ConnectInfo();
ci.ConnString = dbname;
ci.Name = tableName;
m_Conns.Add(tableName, ci);//添加在数据表中
//
}
//打开,用的时候再打开吧
//m_Conns[tableName].Open();
return(m_Conns[tableName]);
}
public void AddFile(string strFileName, byte[] fileData, DateTime date)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName))
{
throw new ArgumentNullException(strFileName);
}
DiskReadZip_FileItemInfo fi = new DiskReadZip_FileItemInfo();
string strFile;
string strDir = GetFirstDir(strFileName, out strFile);
fi.FileDir = strDir; //Path.GetDirectoryName(strFileName);
fi.FileName = strFile; //Path.GetFileName(strFileName);
fi.FileLen = fileData.Length;
fi.FileUpdateTime = fi.DateTimeToStr(date); //.ToString("yyyy-MM-dd HH:mm");
fi.FileData = fileData;
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
//conn.Insert(fi);
//注意重名问题,外面判断
conn.AddFile(fi);
}
public void UpdateFile(string strFileName, byte[] fileData, DateTime date)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName))
{
throw new ArgumentNullException(strFileName);
}
//
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findFile = null;
foreach (var ze in conn.ZipTarget.Entries)
{
if (ze.IsDirectory)
{
continue;
}
if (string.Compare(ze.Key, strFileName, true) == 0)
{
findFile = ze;
break;
}
}
//
if (findFile != null)
{
conn.ZipTarget.RemoveEntry(findFile);
findFile.Close();//删除老的
AddFile(strFileName, fileData, date);
}
else
{
AddFile(strFileName, fileData, date);
}
}
/// <summary>
/// tableName 支持[a-F]以及[_],内部最好别带 . / \\ ?等非法字符
/// </summary>
/// <param name="tableName"></param>
/// <returns></returns>
public IFileSysPackerStrategy AddFileTable(string tableName)
{
if (string.IsNullOrEmpty(tableName))
{
throw new ArgumentNullException(tableName);
}
try {
if (IsTableExists(tableName))
{
throw new DiskZip_AccessPackerException(tableName + "已经存在", null);
}
DiskReadZip_ConnectInfo m_Conn = CheckConnection(tableName);
IFileSysPackerStrategy ret = new DiskReadZip_FileTable(this, m_Conn);
ret.Name = tableName;
//建立SQLite_FileItemInfo结构的表名
//m_Conn.CreateTable<SQLite_FileItemInfo>();
return(ret);
}
catch (Exception ee) {
throw new DiskZip_AccessPackerException("访问文件目录时发生错误", ee);
}
return(null);
}
/// <summary>
/// 一般不使用
/// </summary>
/// <param name="tableName"></param>
/// <param name="newName"></param>
public void RenameFileTable(string tableName, string newName)
{
if (string.IsNullOrEmpty(tableName))
{
throw new ArgumentNullException(tableName);
}
if (string.IsNullOrEmpty(newName))
{
throw new ArgumentNullException(tableName);
}
if (string.Compare(tableName, newName, true) == 0)
{
return; //没有更改，返回
}
try {
if (!IsTableExists(tableName))
{
return;
}
DiskReadZip_ConnectInfo m_Conn = CheckConnection(tableName);
m_Conn.Save();//保存一下
if (IsTableExists(newName))
{
throw new DiskZip_AccessPackerException("重命名失败，newName已经存在!", null);
DelFileTable(newName);//覆盖吗？
}
//移除老的
//
File.Copy(_GetTableFileFullPath(tableName), _GetTableFileFullPath(newName), true);
DelFileTable(tableName);//删除老文件
//新文件要外面自己打开
}
catch (Exception ee) {
throw new DiskZip_AccessPackerException("访问文件目录时发生错误", ee);
}
}
public void Clean()
{
//清除所有
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
List<SharpCompress.Archive.Zip.ZipArchiveEntry> allFiles = new List<SharpCompress.Archive.Zip.ZipArchiveEntry>();
foreach (var v in conn.ZipTarget.Entries) {
allFiles.Add(v);
}
//移除所有项目
for (int i = allFiles.Count - 1; i >= 0; i--) {
conn.ZipTarget.RemoveEntry(allFiles[i]);
allFiles[i].Close();
}
allFiles.Clear();
}
public void AddFile(string strFileName, byte[] fileData, DateTime date)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName)) {
throw new ArgumentNullException(strFileName);
}
DiskReadZip_FileItemInfo fi = new DiskReadZip_FileItemInfo();
string strFile;
string strDir = GetFirstDir(strFileName, out strFile);
fi.FileDir = strDir;//Path.GetDirectoryName(strFileName);
fi.FileName = strFile;//Path.GetFileName(strFileName);
fi.FileLen = fileData.Length;
fi.FileUpdateTime = fi.DateTimeToStr(date);//.ToString("yyyy-MM-dd HH:mm");
fi.FileData = fileData;
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
//conn.Insert(fi);
//注意重名问题,外面判断
conn.AddFile(fi);
}
public Stream OpenFileAsStream(string strFileName)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName)) {
throw new ArgumentNullException(strFileName);
}
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findFile = null;
foreach (var v in conn.ZipTarget.Entries) {
if (v.IsDirectory) continue;
if (string.Compare(v.Key, strFileName, true) == 0) {
findFile = v;
break;
}
}
if (findFile != null) {
return conn.GetUnCompressStream(findFile);
}
return null;
}
public DateTime GetUpdateDate(string strFileName)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName)) {
throw new ArgumentNullException(strFileName);
}
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findFile = null;
DateTime updateTime = DateTime.MinValue;
foreach (var v in conn.ZipTarget.Entries) {
if (v.IsDirectory) continue;
if (string.Compare(v.Key, strFileName, true) == 0) {
findFile = v;
updateTime = v.LastModifiedTime ?? DateTime.MinValue;
break;
}
}
return updateTime;
}
/// <summary>
/// 返回规范化的目录名称 不以'/'开头和结尾
/// </summary>
/// <param name="dirs"></param>
/// <returns></returns>
public int GetDirs(out List<string> dirs)
{
dirs = new List<string>();
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
string fileInDir = "";
string strFile;
foreach (var ze in conn.ZipTarget.Entries) {
if (ze.Key != "/") {//最顶层就不要了
fileInDir = DiskReadZip_FilePacker._getFileLegalLowerDir(ze.Key);
fileInDir = GetFirstDir(fileInDir, out strFile);
if (!dirs.Contains(fileInDir)) {
dirs.Add(fileInDir);
}
}
}
return dirs.Count;
}
public void DelFile(string strFileName)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName)) {
return;
}
//压缩包文件存储格式
//目录 "a/b/c/"
//文件 "a/test.txt"
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findFile = null;
foreach (var v in conn.ZipTarget.Entries) {
if (v.IsDirectory) continue;
if (string.Compare(v.Key, strFileName, true) == 0) {
findFile = v;
break;
}
}
if (findFile != null) {
conn.ZipTarget.RemoveEntry(findFile);
findFile.Close();
}
}
//
internal DiskReadZip_FileTable(DiskReadZip_FilePacker packer, DiskReadZip_ConnectInfo conn)
{
m_Conn = conn;
//m_buf = arg;
m_Packer = packer;
}
/// <summary>
/// dir要规范，不要=='/',不要'/'开头,不要带'/'结尾
/// </summary>
/// <param name="strDirName"></param>
/// <param name="strNewDirName"></param>
public void RenameDir(string strDirName, string strNewDirName)
{
strDirName = DiskReadZip_FilePacker._getFileLegalLowerDir(strDirName); // +"/";//规范化
strNewDirName = DiskReadZip_FilePacker._getFileLegalLowerDir(strNewDirName); // +"/";//规范化
if (string.IsNullOrEmpty(strDirName) || string.IsNullOrEmpty(strNewDirName))
{
return;//根目录名称不能改
}
if (string.Compare(strDirName, strNewDirName) == 0)
{
return;//没有改名
}
strDirName = strDirName + "/";
strNewDirName = strNewDirName + "/";
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
//修改所有的匹配目录名称
List <SharpCompress.Archive.Zip.ZipArchiveEntry> olddirs = new List <SharpCompress.Archive.Zip.ZipArchiveEntry>();
List <SharpCompress.Archive.Zip.ZipArchiveEntry> filesInDir = new List <SharpCompress.Archive.Zip.ZipArchiveEntry>();
foreach (var ze in conn.ZipTarget.Entries)
{
if (ze.IsDirectory)
{
if (ze.Key.ToLower().StartsWith(strDirName))
{
olddirs.Add(ze);
}
}
else
{
if (ze.Key.ToLower().StartsWith(strDirName))
{
filesInDir.Add(ze);
}
}
}
//外面判断是否已经存在新目录名
//改名
string oldfName = "";
string newfName = "";
for (int i = filesInDir.Count - 1; i >= 0; i--)
{
oldfName = filesInDir[i].Key;
newfName = filesInDir[i].Key.Remove(0, strDirName.Length);
newfName = strNewDirName + newfName;
//
MemoryStream ms = conn.GetUnCompressStream(filesInDir[i]);
conn.ZipTarget.AddEntry(newfName, ms, true, ms.Length, filesInDir[i].LastModifiedTime);
conn.ZipTarget.RemoveEntry(filesInDir[i]);
filesInDir[i].Close();
}
//移除老文件夹
for (int i = olddirs.Count - 1; i >= 0; i--)
{
conn.ZipTarget.RemoveEntry(olddirs[i]);
olddirs[i].Close();
}
}
public void Close()
{
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
this.m_Conn.Close();
}
/// <summary>
/// dir要规范，不要带'/'结尾
/// </summary>
/// <param name="strDir">strDir不能为""或者"/" 或者"\\"</param>
public void DelDir(string strDir)
{
strDir = DiskReadZip_FilePacker._getFileLegalLowerDir(strDir);
if (string.IsNullOrEmpty(strDir)) {
return;//不能删除所有？
}
strDir = strDir + "/";
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
//目录对上的就要删除
//修改所有的匹配目录名称
List<SharpCompress.Archive.Zip.ZipArchiveEntry> olddirs = new List<SharpCompress.Archive.Zip.ZipArchiveEntry>();
foreach (var ze in conn.ZipTarget.Entries) {
//if (ze.IsDirectory) {
if (ze.Key.ToLower().StartsWith(strDir)) {
olddirs.Add(ze);
}
//}
}
//删除目录以及其中的文件
for (int i = olddirs.Count - 1; i >= 0; i--) {
conn.ZipTarget.RemoveEntry(olddirs[i]);
olddirs[i].Close();
}
}
public void Close()
{
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
this.m_Conn.Close();
}
public bool FileExists(string strFileName)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName)) {
return false;
}
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findFile = null;
foreach (var v in conn.ZipTarget.Entries) {
if (v.IsDirectory) continue;
if (string.Compare(v.Key, strFileName, true) == 0) {
findFile = v;
break;
}
}
if (findFile != null) {
return true;
}
return false;
}
/// <summary>
/// 一般不使用吧,外面判断新文件名是否已经存在,不要'/'开头
/// </summary>
/// <param name="strFileName">相对目录路径名</param>
/// <param name="strNewFile">相对目录路径名</param>
public void RenameFile(string strFileName, string strNewFile)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
strNewFile = DiskReadZip_FilePacker._getFileLegalLowerDir(strNewFile);
if (string.IsNullOrEmpty(strFileName) || string.IsNullOrEmpty(strNewFile)) return;//名称不能为空
if (string.Compare(strFileName, strNewFile) == 0) return;//没有修改
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
//ToDo:
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findfile = null;
foreach (var ze in conn.ZipTarget.Entries) {
if (ze.IsDirectory) continue;
if (string.Compare(ze.Key, strFileName, true) == 0) {
findfile = ze;
break;
}
}
if (findfile != null) {
//外面判断新文件是否存在
MemoryStream ms = conn.GetUnCompressStream(findfile);
conn.ZipTarget.AddEntry(strNewFile, ms, true, ms.Length, findfile.LastModifiedTime);
conn.ZipTarget.RemoveEntry(findfile);
findfile.Close();
}
}
public int GetFiles(string strDir, out List<string> fileNames, out int totalSize)
{
fileNames = new List<string>();
totalSize = 0;
strDir = DiskReadZip_FilePacker._getFileLegalLowerDir(strDir);
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
//所有的匹配目录名称
List<SharpCompress.Archive.Zip.ZipArchiveEntry> filesInDir = new List<SharpCompress.Archive.Zip.ZipArchiveEntry>();
if (string.IsNullOrEmpty(strDir)) {
//最顶层 则是所有的文件
foreach (var ze in conn.ZipTarget.Entries) {
if (!ze.IsDirectory) {
filesInDir.Add(ze);
}
}
}
else {
//非最顶层
strDir = strDir + "/";
//ToDo:查找里面的所有文件
foreach (var ze in conn.ZipTarget.Entries) {
if (!ze.IsDirectory) {
if (ze.Key.ToLower().StartsWith(strDir)) {
filesInDir.Add(ze);
}
}
}
}
foreach (var v in filesInDir) {
fileNames.Add(v.Key);
totalSize += (int)v.Size;
}
//
int count = filesInDir.Count;
return count;
}
public void UpdateFile(string strFileName, byte[] fileData, DateTime date)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName)) {
throw new ArgumentNullException(strFileName);
}
//
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findFile = null;
foreach (var ze in conn.ZipTarget.Entries) {
if (ze.IsDirectory) continue;
if (string.Compare(ze.Key, strFileName, true) == 0) {
findFile = ze;
break;
}
}
//
if (findFile != null) {
conn.ZipTarget.RemoveEntry(findFile);
findFile.Close();//删除老的
AddFile(strFileName, fileData, date);
}
else {
AddFile(strFileName, fileData, date);
}
}
public byte[] OpenFile(string strFileName)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName)) {
throw new ArgumentNullException(strFileName);
}
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findFile = null;
foreach (var v in conn.ZipTarget.Entries) {
if (v.IsDirectory) continue;
if (string.Compare(v.Key, strFileName, true) == 0) {
findFile = v;
break;
}
}
byte[] buf = null;
if (findFile != null) {
using (MemoryStream ms = conn.GetUnCompressStream(findFile)) {
buf = ms.ToArray();
ms.Close();//关闭流
}
}
return buf;
}
/// <summary>
/// 检测压缩文件是否存在，如果不存在则创建文件并加入表中，返回连接.z文件对象
/// </summary>
/// <param name="tableName"></param>
/// <returns></returns>
internal DiskReadZip_ConnectInfo CheckConnection(string tableName)
{
if (!m_Conns.ContainsKey(tableName)) {
//创建
string dbname = _GetTableFileFullPath(tableName);
bool fileExist = File.Exists(dbname);//存在文件就直接打开,否则创建
//conn = new SQLiteConnection(dbname, fileExist ? SQLiteOpenFlags.ReadWrite : (SQLiteOpenFlags.ReadWrite | SQLiteOpenFlags.Create));
if (fileExist) {
//检测是否为压缩文件
using (FileStream fst = new FileStream(dbname, FileMode.Open, FileAccess.Read)) {
fileExist = SharpCompress.Archive.Zip.ZipArchive.IsZipFile(fst);//非压缩文件
//压缩文件系统 没必要一直处于打开状态吧 用完销毁
}
}
if (!fileExist) {
using (SharpCompress.Archive.Zip.ZipArchive con = SharpCompress.Archive.Zip.ZipArchive.Create()) {
using (FileStream fst = new FileStream(dbname, FileMode.Create, FileAccess.Write)) {
con.SaveTo(fst, new SharpCompress.Common.CompressionInfo());//保存完毕
}
}
}
//
//FileStream fs = new FileStream(dbname, FileMode.Open, FileAccess.ReadWrite);
//conn = SharpCompress.Archive.Zip.ZipArchive.Open(fs);
DiskReadZip_ConnectInfo ci = new DiskReadZip_ConnectInfo();
ci.ConnString = dbname;
ci.Name = tableName;
m_Conns.Add(tableName, ci);//添加在数据表中
//
}
//打开,用的时候再打开吧
//m_Conns[tableName].Open();
return m_Conns[tableName];
}
/// <summary>
/// dir要规范，不要=='/',不要'/'开头,不要带'/'结尾
/// </summary>
/// <param name="strDirName"></param>
/// <param name="strNewDirName"></param>
public void RenameDir(string strDirName, string strNewDirName)
{
strDirName = DiskReadZip_FilePacker._getFileLegalLowerDir(strDirName);// +"/";//规范化
strNewDirName = DiskReadZip_FilePacker._getFileLegalLowerDir(strNewDirName);// +"/";//规范化
if (string.IsNullOrEmpty(strDirName) || string.IsNullOrEmpty(strNewDirName)) {
return;//根目录名称不能改
}
if (string.Compare(strDirName, strNewDirName) == 0) {
return;//没有改名
}
strDirName = strDirName + "/";
strNewDirName = strNewDirName + "/";
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
//修改所有的匹配目录名称
List<SharpCompress.Archive.Zip.ZipArchiveEntry> olddirs = new List<SharpCompress.Archive.Zip.ZipArchiveEntry>();
List<SharpCompress.Archive.Zip.ZipArchiveEntry> filesInDir = new List<SharpCompress.Archive.Zip.ZipArchiveEntry>();
foreach (var ze in conn.ZipTarget.Entries) {
if (ze.IsDirectory) {
if (ze.Key.ToLower().StartsWith(strDirName)) {
olddirs.Add(ze);
}
}
else {
if (ze.Key.ToLower().StartsWith(strDirName)) {
filesInDir.Add(ze);
}
}
}
//外面判断是否已经存在新目录名
//改名
string oldfName = "";
string newfName = "";
for (int i = filesInDir.Count - 1; i >= 0; i--) {
oldfName = filesInDir[i].Key;
newfName = filesInDir[i].Key.Remove(0, strDirName.Length);
newfName = strNewDirName + newfName;
//
MemoryStream ms = conn.GetUnCompressStream(filesInDir[i]);
conn.ZipTarget.AddEntry(newfName, ms, true, ms.Length, filesInDir[i].LastModifiedTime);
conn.ZipTarget.RemoveEntry(filesInDir[i]);
filesInDir[i].Close();
}
//移除老文件夹
for (int i = olddirs.Count - 1; i >= 0; i--) {
conn.ZipTarget.RemoveEntry(olddirs[i]);
olddirs[i].Close();
}
}
//
internal DiskReadZip_FileTable(DiskReadZip_FilePacker packer, DiskReadZip_ConnectInfo conn)
{
m_Conn = conn;
//m_buf = arg;
m_Packer = packer;
}
