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Overview
| Comment: | Bugfix: /? help now works. Enhanced: when the /verbose flag is specified, show the full stack track for exceptions. Refactor: increased code readability by not using `var` when it's not apparent at first glance what the type is going to be. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | develop |
| Files: | files | file ages | folders |
| SHA1: |
b80ceff46759d458b40d4dbcf2b86d36 |
| User & Date: | tinus 2018-05-31 05:59:46 |
Context
|
2018-06-28
| ||
| 19:57 | Small code optimizations. Leaf check-in: 3bd88a0184 user: tinus tags: develop | |
|
2018-05-31
| ||
| 05:59 | Bugfix: /? help now works. Enhanced: when the /verbose flag is specified, show the full stack track for exceptions. Refactor: increased code readability by not using `var` when it's not apparent at first glance what the type is going to be. check-in: b80ceff467 user: tinus tags: develop | |
|
2018-03-23
| ||
| 21:16 | Implemented command-line help. check-in: 41b3d45087 user: tinus tags: develop | |
Changes
Changes to ZTUpdater/Program.cs.
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namespace ZTUpdater
{
class Program
{
[STAThread]
static int Main(string[] args)
{
try
{
// Read the command-line options
var MinimumLevel = TraceLevel.Info;
string OptName = null;
var Options = new Dictionary<string, string>();
var Arguments = new List<string>();
foreach (var arg in args)
{
if (OptName != null)
{
................................................................................
var Dialog = new System.Windows.Forms.FolderBrowserDialog
{
SelectedPath = @"C:\ZTree",
ShowNewFolderButton = false,
Description = "Please select the folder where ZTreeWin is installed"
};
if (Dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
Updater.ZTreeHome = Dialog.SelectedPath;
}
if (Options.TryGetValue("archive", out var Value))
Updater.ArchiveDir = new System.IO.DirectoryInfo(Value);
else if (Options.TryGetValue("backup", out Value))
Updater.BackupDir = new System.IO.DirectoryInfo(Value);
// Perform the actual update
int FilesUpdated;
if (Arguments.Count > 0)
{
FilesUpdated = Updater.UpdateFromFile(Arguments[0]);
}
................................................................................
FilesUpdated = UpdateTask.Result;
}
WriteLog($"{FilesUpdated} files updated.", TraceLevel.Info);
return FilesUpdated > 0 ? 0 : 1;
}
catch (Exception ex)
{
var BackupColor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Magenta;
if (ex is AggregateException)
((AggregateException)ex).Handle((iex) =>
{
Console.Error.WriteLine(iex.Message);
return true;
});
else
Console.Error.WriteLine(ex.Message);
Console.ForegroundColor = BackupColor;
return 255;
}
}
private static void ShowHelp()
{
string Name = Path.GetFileNameWithoutExtension(typeof(Program).Assembly.Location);
var Lines = new List<string>
{
$@"{Name} [/v | /verbose] [/home ZTHOMEDIR] [/backup BACKUPDIR] [/archive ARCHIVEDIR] [UPDATEZIPFILE]",
"",
$@"/verbose Display more messages.",
$@"/home ZTHOMEDIR ZTreeWin's installation directory. If not specified, {Name} attempts to determine it automatically. Failing that, it must be browsed interactively.",
$@"/backup BACKUPDIR Where to save backups of files replaced during an update. Default is %#ZTHome%\Backup.",
................................................................................
}
else
{
// TODO: break on word boundaries, and omit spaces at the start of a new line?
Console.Write(Description.Extract(0, Console.BufferWidth - TabPos));
while (Description.Length > 0)
{
Console.Write(Prefix);
Console.Write(Description.Extract(0, Console.BufferWidth - TabPos));
}
Console.WriteLine();
}
}
}
................................................................................
{
if (_levelColors.Count == 0)
{
_levelColors.Add(TraceLevel.Verbose, ConsoleColor.DarkGray);
_levelColors.Add(TraceLevel.Warning, ConsoleColor.Yellow);
_levelColors.Add(TraceLevel.Error, ConsoleColor.Red);
}
var Output = level >= TraceLevel.Warning ? Console.Error : Console.Out;
var BackupColor = Console.ForegroundColor;
if (_levelColors.TryGetValue(level, out var Color))
Console.ForegroundColor = Color;
Output.WriteLine(message);
Console.ForegroundColor = BackupColor;
}
|
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namespace ZTUpdater
{
class Program
{
[STAThread]
static int Main(string[] args)
{
var MinimumLevel = TraceLevel.Info;
try
{
// Read the command-line options
string OptName = null;
var Options = new Dictionary<string, string>();
var Arguments = new List<string>();
foreach (var arg in args)
{
if (OptName != null)
{
................................................................................
var Dialog = new System.Windows.Forms.FolderBrowserDialog
{
SelectedPath = @"C:\ZTree",
ShowNewFolderButton = false,
Description = "Please select the folder where ZTreeWin is installed"
};
if (Dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
Updater.ZTreeHome = Dialog.SelectedPath;
}
if (Options.TryGetValue("archive", out var Value))
Updater.ArchiveDir = new DirectoryInfo(Value);
else if (Options.TryGetValue("backup", out Value))
Updater.BackupDir = new DirectoryInfo(Value);
// Perform the actual update
int FilesUpdated;
if (Arguments.Count > 0)
{
FilesUpdated = Updater.UpdateFromFile(Arguments[0]);
}
................................................................................
FilesUpdated = UpdateTask.Result;
}
WriteLog($"{FilesUpdated} files updated.", TraceLevel.Info);
return FilesUpdated > 0 ? 0 : 1;
}
catch (Exception ex)
{
Func<Exception,bool> WriteException = (iex) =>
{
if (MinimumLevel >= TraceLevel.Verbose)
Console.Error.WriteLine(iex.ToString());
else
Console.Error.WriteLine(iex.Message);
return true;
};
var BackupColor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Magenta;
if (ex is AggregateException)
((AggregateException)ex).Handle(WriteException);
else
WriteException(ex);
Console.ForegroundColor = BackupColor;
return 255;
}
}
private static void ShowHelp()
{
string Name = Path.GetFileNameWithoutExtension(System.Reflection.Assembly.GetEntryAssembly().Location);
var Lines = new List<string>
{
$@"{Name} [/v | /verbose] [/home ZTHOMEDIR] [/backup BACKUPDIR] [/archive ARCHIVEDIR] [UPDATEZIPFILE]",
"",
$@"/verbose Display more messages.",
$@"/home ZTHOMEDIR ZTreeWin's installation directory. If not specified, {Name} attempts to determine it automatically. Failing that, it must be browsed interactively.",
$@"/backup BACKUPDIR Where to save backups of files replaced during an update. Default is %#ZTHome%\Backup.",
................................................................................
}
else
{
// TODO: break on word boundaries, and omit spaces at the start of a new line?
Console.Write(Description.Extract(0, Console.BufferWidth - TabPos));
while (Description.Length > 0)
{
Console.WriteLine();
Console.Write(Prefix);
Console.Write(Description.Extract(0, Console.BufferWidth - TabPos));
}
Console.WriteLine();
}
}
}
................................................................................
{
if (_levelColors.Count == 0)
{
_levelColors.Add(TraceLevel.Verbose, ConsoleColor.DarkGray);
_levelColors.Add(TraceLevel.Warning, ConsoleColor.Yellow);
_levelColors.Add(TraceLevel.Error, ConsoleColor.Red);
}
var Output = level >= TraceLevel.Warning ? Console.Out : Console.Error;
var BackupColor = Console.ForegroundColor;
if (_levelColors.TryGetValue(level, out var Color))
Console.ForegroundColor = Color;
Output.WriteLine(message);
Console.ForegroundColor = BackupColor;
}
|
Changes to ZTUpdater/ZTUpdater.cs.
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{
get => _ZTreeHome;
set
{
_ZTreeHome = value;
if (_ZTreeHome != null)
{
var Executables = Directory.GetFiles(ZTreeHome, Executable);
if (Executables.Length > 0)
Executable = Executables[0];
else
Executable = Path.Combine(ZTreeHome, Executable);
// determine version of local executable
CurrentVersion = FileVersionInfo.GetVersionInfo(Executable).FileVersion;
................................................................................
// from the environment
string ZTHome = Environment.GetEnvironmentVariable("#ZTHome");
if (Directory.Exists(ZTHome))
return ZTHome;
// from registry (both Win32 and Win64)
var InstallDir = Registry.GetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\ZTreeWin", "Install_Dir", null);
if (InstallDir is string && Directory.Exists(ZTHome = (string)InstallDir))
return ZTHome;
InstallDir = Registry.GetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\ZTreeWin", "Install_Dir", null);
if (InstallDir is string && Directory.Exists(ZTHome = (string)InstallDir))
return ZTHome;
return null;
}
private Regex _rexZetaAvailable = new Regex(@"forum_entry.php\?id=(\d+)""[^\<]*?v(\d+\.\S+) Now Available", RegexOptions.Compiled | RegexOptions.IgnoreCase);
private Regex _rexWhatsNew = new Regex(@"<div class=""posting"">(.*?)</div><p class=""signature"">", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline);
private Regex _rexLink = new Regex(@"""(https?://www.z(edtek|tree).com\/[^""]*\.(zip|exe))""", RegexOptions.Compiled | RegexOptions.IgnoreCase);
public async Task<Uri> GetUriLatestVersion()
{
using (var Client = new HttpClient())
{
// get the forum home page
Log("Looking for announcement on ZTreeWin Forum...");
................................................................................
/// <summary>
/// Checks for an updated version of ZTreeWin; and if found, download and install it.
/// </summary>
/// <returns>The number of files that were updated.</returns>
public async Task<int> UpdateAsync()
{
Log($"ZTreeWin version {CurrentVersion} located in \"{ZTreeHome}\".", TraceLevel.Info);
if (!Directory.Exists(ZTreeHome))
throw new DirectoryNotFoundException($"Directory \"{ZTreeHome}\" not found");
var DownloadUri = await GetUriLatestVersion();
if (DownloadUri == null)
return 0;
// Prepare to save the file in the user’s Downloads folder
string Folder = (ArchiveDir ?? BackupDir)?.FullName ?? KnownFolders.Downloads.Path;
string OrgZipFile = DownloadUri.AbsolutePath;
int Pos = OrgZipFile.LastIndexOf("/");
................................................................................
Counter++;
ZipFile = Base + $" ({Counter})" + Extension;
}
Log($@"Downloading update file to ""{OrgZipFile}""...");
using (var Client = new HttpClient())
{
var ZipStream = await Client.GetStreamAsync(DownloadUri);
using (var FileStream = new FileStream(ZipFile, FileMode.CreateNew, FileAccess.Write, FileShare.Read))
{
await ZipStream.CopyToAsync(FileStream);
}
}
// If the newly downloaded file is identical to the existing one, delete the new one and just reuse the old one.
................................................................................
}
// Try moving to version-based folder first; only if that doesn't work, try to rename
// to a version-based file name in the same folder.
Log($"\t{Entry.FullName}\tbacking up existing file.");
try
{
var BackupName = VersionBasedFolder(TargetFile);
try
{
File.Move(TargetFile.FullName, BackupName);
TargetFile.Refresh();
if (TargetFile.Exists)
// Then, the move was NOT successful
throw new Exception("Unable to move the file.");
................................................................................
}
return NumFiles;
}
private string VersionBasedFolder(FileInfo File)
{
var SourceDir = new DirectoryInfo(ZTreeHome);
var TargetDir = BackupDir ?? SourceDir.CreateSubdirectory($@"Backup");
TargetDir = TargetDir.CreateSubdirectory(CurrentVersion);
return Path.Combine(TargetDir.FullName, File.FullName.Substring(SourceDir.FullName.Length + 1));
}
private string VersionBasedFilename(FileInfo File)
{
var Extension = File.Extension;
................................................................................
// decode all HTML entities
var rexEntity = new Regex(@"&(#x?[0-9a-f]{1,4}|\w{2,8});", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Match Match;
int StartAt = 0;
while ((Match = rexEntity.Match(Text, StartAt)).Success)
{
var Entity = Match.Groups[1].Value;
var Replacement = "?";
if (Entity.StartsWith("#"))
{
int CharCode = 0;
if (Entity.Substring(1, 1) == "x")
// hexadecimal char code
CharCode = int.Parse(Entity.Substring(2), System.Globalization.NumberStyles.HexNumber);
else
|
| | | | | | | | | | | |
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{
get => _ZTreeHome;
set
{
_ZTreeHome = value;
if (_ZTreeHome != null)
{
string[] Executables = Directory.GetFiles(ZTreeHome, Executable);
if (Executables.Length > 0)
Executable = Executables[0];
else
Executable = Path.Combine(ZTreeHome, Executable);
// determine version of local executable
CurrentVersion = FileVersionInfo.GetVersionInfo(Executable).FileVersion;
................................................................................
// from the environment
string ZTHome = Environment.GetEnvironmentVariable("#ZTHome");
if (Directory.Exists(ZTHome))
return ZTHome;
// from registry (both Win32 and Win64)
object InstallDir = Registry.GetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\ZTreeWin", "Install_Dir", null);
if (InstallDir is string && Directory.Exists(ZTHome = (string)InstallDir))
return ZTHome;
InstallDir = Registry.GetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\ZTreeWin", "Install_Dir", null);
if (InstallDir is string && Directory.Exists(ZTHome = (string)InstallDir))
return ZTHome;
return null;
}
private Regex _rexZetaAvailable = new Regex(@"forum_entry.php\?id=(\d+)""[^\<]*?v(\d+\.\S+) Now Available", RegexOptions.Compiled | RegexOptions.IgnoreCase);
private Regex _rexWhatsNew = new Regex(@"<div class=""posting"">(.*?)</div><p class=""signature"">", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline);
private Regex _rexLink = new Regex(@"""(https?://(www.)?z(edtek|tree).com\/[^""]*\.(zip|exe))""", RegexOptions.Compiled | RegexOptions.IgnoreCase);
public async Task<Uri> GetUriLatestVersion()
{
using (var Client = new HttpClient())
{
// get the forum home page
Log("Looking for announcement on ZTreeWin Forum...");
................................................................................
/// <summary>
/// Checks for an updated version of ZTreeWin; and if found, download and install it.
/// </summary>
/// <returns>The number of files that were updated.</returns>
public async Task<int> UpdateAsync()
{
Log($@"ZTreeWin version {CurrentVersion} located in ""{ZTreeHome}"".", TraceLevel.Info);
if (!Directory.Exists(ZTreeHome))
throw new DirectoryNotFoundException($@"Directory ""{ZTreeHome}"" not found");
Uri DownloadUri = await GetUriLatestVersion();
if (DownloadUri == null)
return 0;
// Prepare to save the file in the user’s Downloads folder
string Folder = (ArchiveDir ?? BackupDir)?.FullName ?? KnownFolders.Downloads.Path;
string OrgZipFile = DownloadUri.AbsolutePath;
int Pos = OrgZipFile.LastIndexOf("/");
................................................................................
Counter++;
ZipFile = Base + $" ({Counter})" + Extension;
}
Log($@"Downloading update file to ""{OrgZipFile}""...");
using (var Client = new HttpClient())
{
Stream ZipStream = await Client.GetStreamAsync(DownloadUri);
using (var FileStream = new FileStream(ZipFile, FileMode.CreateNew, FileAccess.Write, FileShare.Read))
{
await ZipStream.CopyToAsync(FileStream);
}
}
// If the newly downloaded file is identical to the existing one, delete the new one and just reuse the old one.
................................................................................
}
// Try moving to version-based folder first; only if that doesn't work, try to rename
// to a version-based file name in the same folder.
Log($"\t{Entry.FullName}\tbacking up existing file.");
try
{
string BackupName = VersionBasedFolder(TargetFile);
try
{
File.Move(TargetFile.FullName, BackupName);
TargetFile.Refresh();
if (TargetFile.Exists)
// Then, the move was NOT successful
throw new Exception("Unable to move the file.");
................................................................................
}
return NumFiles;
}
private string VersionBasedFolder(FileInfo File)
{
var SourceDir = new DirectoryInfo(ZTreeHome);
var TargetDir = BackupDir ?? SourceDir.CreateSubdirectory("Backup");
TargetDir = TargetDir.CreateSubdirectory(CurrentVersion);
return Path.Combine(TargetDir.FullName, File.FullName.Substring(SourceDir.FullName.Length + 1));
}
private string VersionBasedFilename(FileInfo File)
{
var Extension = File.Extension;
................................................................................
// decode all HTML entities
var rexEntity = new Regex(@"&(#x?[0-9a-f]{1,4}|\w{2,8});", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Match Match;
int StartAt = 0;
while ((Match = rexEntity.Match(Text, StartAt)).Success)
{
string Entity = Match.Groups[1].Value;
string Replacement = "?";
if (Entity.StartsWith("#"))
{
int CharCode = 0;
if (Entity.Substring(1, 1) == "x")
// hexadecimal char code
CharCode = int.Parse(Entity.Substring(2), System.Globalization.NumberStyles.HexNumber);
else
|