基本信息
源码名称：ICSharpCode.SharpZipLib.dll 解压缩文件例子 并附完整ISharpZip项目源码
源码大小：0.69M
文件格式：.zip
开发语言：C#
更新时间：2013-06-25
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源码介绍
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);
}
}
}