public static Argument <T> ExistingOnly <T>(this Argument <T> argument)
where T : IEnumerable <FileSystemInfo>
{
if (typeof(IEnumerable <FileInfo>).IsAssignableFrom(typeof(T)))
{
argument.AddValidator(
a => a.Tokens
.Select(t => t.Value)
.Where(filePath => !File.Exists(filePath))
.Select(a.ValidationMessages.FileDoesNotExist)
.FirstOrDefault());
}
else if (typeof(IEnumerable <DirectoryInfo>).IsAssignableFrom(typeof(T)))
{
argument.AddValidator(
a => a.Tokens
.Select(t => t.Value)
.Where(filePath => !Directory.Exists(filePath))
.Select(a.ValidationMessages.DirectoryDoesNotExist)
.FirstOrDefault());
}
else
{
argument.AddValidator(
a => a.Tokens
.Select(t => t.Value)
.Where(filePath => !Directory.Exists(filePath) && !File.Exists(filePath))
.Select(a.ValidationMessages.FileOrDirectoryDoesNotExist)
.FirstOrDefault());
}
return(argument);
}
/// <summary>
/// Configures an argument to accept only values corresponding to a existing files or directories.
/// </summary>
/// <param name="argument">The argument to configure.</param>
/// <returns>The configured argument.</returns>
public static Argument <T> ExistingOnly <T>(this Argument <T> argument)
where T : IEnumerable <FileSystemInfo>
{
if (typeof(IEnumerable <FileInfo>).IsAssignableFrom(typeof(T)))
{
argument.AddValidator(Validate.FileExists);
}
else if (typeof(IEnumerable <DirectoryInfo>).IsAssignableFrom(typeof(T)))
{
argument.AddValidator(Validate.DirectoryExists);
}
else
{
argument.AddValidator(Validate.FileOrDirectoryExists);
}
return(argument);
}
public static Argument <FileSystemInfo> ExistingOnly(this Argument <FileSystemInfo> argument)
{
argument.AddValidator(symbol =>
symbol.Tokens
.Select(t => t.Value)
.Where(filePath => !Directory.Exists(filePath) && !File.Exists(filePath))
.Select(symbol.ValidationMessages.FileOrDirectoryDoesNotExist)
.FirstOrDefault());
return(argument);
}
public static Argument <DirectoryInfo> ExistingOnly(this Argument <DirectoryInfo> argument)
{
argument.AddValidator(symbol =>
symbol.Tokens
.Select(t => t.Value)
.Where(filePath => !Directory.Exists(filePath))
.Select(symbol.Resources.DirectoryDoesNotExist)
.FirstOrDefault());
return(argument);
}
/// <summary>
/// Configures an argument to accept only values corresponding to an existing file.
/// </summary>
/// <param name="argument">The argument to configure.</param>
/// <returns>The configured argument.</returns>
public static Argument <FileInfo> ExistingOnly(this Argument <FileInfo> argument)
{
argument.AddValidator(symbol =>
symbol.Tokens
.Select(t => t.Value)
.Where(filePath => !File.Exists(filePath))
.Select(symbol.LocalizationResources.FileDoesNotExist)
.FirstOrDefault());
return(argument);
}
/// <summary>
/// Configures an argument to accept only values corresponding to an existing file.
/// </summary>
/// <param name="argument">The argument to configure.</param>
/// <returns>The configured argument.</returns>
public static Argument <FileInfo> ExistingOnly(this Argument <FileInfo> argument)
{
argument.AddValidator(Validate.FileExists);
return(argument);
}
/// <summary>
/// Configures an argument to accept only values corresponding to an existing file or directory.
/// </summary>
/// <param name="argument">The argument to configure.</param>
/// <returns>The configured argument.</returns>
public static Argument <FileSystemInfo> ExistingOnly(this Argument <FileSystemInfo> argument)
{
argument.AddValidator(Validate.FileOrDirectoryExists);
return(argument);
}
/// <summary>
/// Configures an argument to accept only values corresponding to an existing directory.
/// </summary>
/// <param name="argument">The argument to configure.</param>
/// <returns>The configured argument.</returns>
public static Argument <DirectoryInfo> ExistingOnly(this Argument <DirectoryInfo> argument)
{
argument.AddValidator(Validate.DirectoryExists);
return(argument);
}
