实例介绍
【实例简介】
【实例截图】
【核心代码】
using System; using System.IO; using ICSharpCode.SharpZipLib.Zip; using ICSharpCode.SharpZipLib.Core; namespace Samples.FastZipDemo { class MainClass { enum Operation { Unknown, Create, Extract, List, Error }; static void ListZipFile(string fileName, string fileFilter, string directoryFilter) { using (ZipFile zipFile = new ZipFile(fileName)) { PathFilter localFileFilter = new PathFilter(fileFilter); PathFilter localDirFilter = new PathFilter(directoryFilter); if ( zipFile.Count == 0 ) { Console.WriteLine("No entries to list"); } else { for ( int i = 0 ; i < zipFile.Count; i) { ZipEntry e = zipFile[i]; if ( e.IsFile ) { string path = Path.GetDirectoryName(e.Name); if ( localDirFilter.IsMatch(path) ) { if ( localFileFilter.IsMatch(Path.GetFileName(e.Name)) ) { Console.WriteLine(e.Name); } } } else if ( e.IsDirectory ) { if ( localDirFilter.IsMatch(e.Name) ) { Console.WriteLine(e.Name); } } else { Console.WriteLine(e.Name); } } } } } void ListFile(object sender, ScanEventArgs e) { Console.WriteLine("{0}", e.Name); } void ListDir(object sender, DirectoryEventArgs e) { if ( !e.HasMatchingFiles ) { Console.WriteLine("Dir:{0}", e.Name); } } void ListFileSystem(string directory, bool recurse, string fileFilter, string directoryFilter) { FileSystemScanner scanner = new FileSystemScanner(fileFilter, directoryFilter); scanner.ProcessDirectory = new ProcessDirectoryHandler(ListDir); scanner.ProcessFile = new ProcessFileHandler(ListFile); scanner.Scan(directory, recurse); } void ShowProgress(object sender, ProgressEventArgs e) { // Very ugly but this is a sample! Console.WriteLine("{0}%", e.PercentComplete); } void ProcessFile(object sender, ScanEventArgs e) { Console.WriteLine(e.Name); } void ProcessDirectory(object sender, DirectoryEventArgs e) { if ( !e.HasMatchingFiles ) { Console.WriteLine(e.Name); } } bool ConfirmOverwrite(string file) { Console.WriteLine("Overwrite file {0} Y/N", file); string yesNo = Console.ReadLine(); return (yesNo != null) && string.Compare(yesNo.Trim(), "y", true) == 0; } void Run(string[] args) { bool recurse = false; string arg1 = null; string arg2 = null; string fileFilter = null; string dirFilter = null; bool verbose = false; bool restoreDates = false; bool restoreAttributes = false; bool progress = false; TimeSpan interval = TimeSpan.FromSeconds(1); bool createEmptyDirs = false; FastZip.Overwrite overwrite = FastZip.Overwrite.Always; FastZip.ConfirmOverwriteDelegate confirmOverwrite = null; Operation op = Operation.Unknown; int argCount = 0; for ( int i = 0; i < args.Length; i ) { if ( args[i][0] == '-' ) { string option = args[i].Substring(1).ToLower(); string optArg = ""; int parameterIndex = option.IndexOf('='); if (parameterIndex >= 0) { if (parameterIndex < option.Length - 1) { optArg = option.Substring(parameterIndex 1); } option = option.Substring(0, parameterIndex); } switch ( option ) { case "e": case "empty": createEmptyDirs = true; break; case "x": case "extract": if ( op == Operation.Unknown ) { op = Operation.Extract; } else { Console.WriteLine("Only one operation at a time is permitted"); op = Operation.Error; } break; case "c": case "create": if ( op == Operation.Unknown ) { op = Operation.Create; } else { Console.WriteLine("Only one operation at a time is permitted"); op = Operation.Error; } break; case "l": case "list": if ( op == Operation.Unknown ) { op = Operation.List; } else { Console.WriteLine("Only one operation at a time is permitted"); op = Operation.Error; } break; case "p": case "progress": progress = true; verbose = true; break; case "r": case "recurse": recurse = true; break; case "v": case "verbose": verbose = true; break; case "i": if (optArg.Length > 0) { interval = TimeSpan.FromSeconds(int.Parse(optArg)); } break; case "file": if ( NameFilter.IsValidFilterExpression(optArg) ) { fileFilter = optArg; } else { Console.WriteLine("File filter expression contains an invalid regular expression"); op = Operation.Error; } break; case "dir": if ( NameFilter.IsValidFilterExpression(optArg) ) { dirFilter = optArg; } else { Console.WriteLine("Path filter expression contains an invalid regular expression"); op = Operation.Error; } break; case "o": case "overwrite": switch ( optArg ) { case "always": overwrite = FastZip.Overwrite.Always; confirmOverwrite = null; break; case "never": overwrite = FastZip.Overwrite.Never; confirmOverwrite = null; break; case "prompt": overwrite = FastZip.Overwrite.Prompt; confirmOverwrite = new FastZip.ConfirmOverwriteDelegate(ConfirmOverwrite); break; default: Console.WriteLine("Invalid overwrite option"); op = Operation.Error; break; } break; case "oa": restoreAttributes = true; break; case "od": restoreDates = true; break; default: Console.WriteLine("Unknown option {0}", args[i]); op = Operation.Error; break; } } else if ( arg1 == null ) { arg1 = args[i]; argCount; } else if ( arg2 == null ) { arg2 = args[i]; argCount; } } FastZipEvents events = null; if ( verbose ) { events = new FastZipEvents(); events.ProcessDirectory = new ProcessDirectoryHandler(ProcessDirectory); events.ProcessFile = new ProcessFileHandler(ProcessFile); if (progress) { events.Progress = new ProgressHandler(ShowProgress); events.ProgressInterval = interval; } } FastZip fastZip = new FastZip(events); fastZip.CreateEmptyDirectories = createEmptyDirs; fastZip.RestoreAttributesOnExtract = restoreAttributes; fastZip.RestoreDateTimeOnExtract = restoreDates; switch ( op ) { case Operation.Create: if ( argCount == 2 ) { Console.WriteLine("Creating Zip"); fastZip.CreateZip(arg1, arg2, recurse, fileFilter, dirFilter); } else Console.WriteLine("Invalid arguments"); break; case Operation.Extract: if ( argCount == 2 ) { Console.WriteLine("Extracting Zip"); fastZip.ExtractZip(arg1, arg2, overwrite, confirmOverwrite, fileFilter, dirFilter, restoreDates); } else Console.WriteLine("zipfile and target directory not specified"); break; case Operation.List: if ( File.Exists(arg1) ) { ListZipFile(arg1, fileFilter, dirFilter); } else if ( Directory.Exists(arg1) ) { ListFileSystem(arg1, recurse, fileFilter, dirFilter); } else { Console.WriteLine("No valid list file or directory"); } break; case Operation.Unknown: Console.WriteLine( "FastZip v0.5\n" " Usage: FastZip {options} operation args\n" "Operation Options: (only one permitted)\n" " -x zipfile targetdir : Extract files from Zip\n" " -c zipfile sourcedir : Create zip file\n" " -l zipfile|dir : List elements\n" "\n" "Behavioural options:\n" " -dir={dirFilter}\n" " -file={fileFilter}\n" " -e Process empty directories\n" " -i Progress interval in seconds\n" " -p Show file progress\n" " -r Recurse directories\n" " -v Verbose output\n" " -oa Restore file attributes on extract\n" " -ot Restore file date time on extract\n" " -overwrite=prompt|always|never : Overwrite on extract handling\n" ); break; case Operation.Error: // Do nothing for now... break; } } /// <summary> /// Main entry point for FastZip sample. /// </summary> /// <param name="args">The arguments provided to this process.</param> public static void Main(string[] args) { MainClass main = new MainClass(); main.Run(args); } } }
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