/// <summary>
/// Changes a URL’s subpath or subdomain relative to the specified number of URL resolvers.</summary>
/// <param name="url">
/// The URL to modify.</param>
/// <param name="levels">
/// The number of URL resolvers to rewind.</param>
/// <param name="pathOrSubdomain">
/// The new subpath or subdomain, without any slashes or dots.</param>
/// <param name="useSubdomain">
/// If <c>true</c>, the subdomain is changed; if <c>false</c> (default), the path is changed.</param>
/// <param name="retainQueryParams">
/// If <c>true</c>, the query parameters are retained; if <c>false</c> (default), they are removed.</param>
/// <returns>
/// The new URL.</returns>
public static IHttpUrl WithParents(this IHttpUrl url, int levels, string pathOrSubdomain, bool useSubdomain = false, bool retainQueryParams = false)
{
pathOrSubdomain = pathOrSubdomain.Length == 0 ? "" : useSubdomain ? pathOrSubdomain + "." : "/" + pathOrSubdomain;
for (int i = 0; i < levels; i++)
{
url = useSubdomain ? url.WithDomainParent() : url.WithPathParent();
}
return
(useSubdomain
? retainQueryParams
? url.WithDomain(pathOrSubdomain)
: url.WithDomain(pathOrSubdomain).WithoutQuery()
: retainQueryParams
? url.WithPath(pathOrSubdomain)
: url.WithPathOnly(pathOrSubdomain));
}
private static IEnumerable <string> generateDirectoryXml(string localPath, IHttpUrl url, string urlPath)
{
List <DirectoryInfo> dirs = new List <DirectoryInfo>();
List <FileInfo> files = new List <FileInfo>();
DirectoryInfo dirInfo = new DirectoryInfo(localPath);
foreach (var d in dirInfo.GetDirectories())
{
dirs.Add(d);
}
foreach (var f in dirInfo.GetFiles())
{
files.Add(f);
}
dirs.Sort((a, b) => a.Name.CompareTo(b.Name));
files.Sort((a, b) => a.Name.CompareTo(b.Name));
yield return("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
yield return("<?xml-stylesheet href=\"{0}\" type=\"text/xsl\" ?>\n".Fmt(url.WithPathOnly("/$/directory-listing/xsl").ToHref().HtmlEscape()));
yield return("<directory url=\"{0}\" unescapedurl=\"{1}\" img=\"{2}\" numdirs=\"{3}\" numfiles=\"{4}\">\n"
.Fmt(url.ToHref().HtmlEscape(), url.ToHref().UrlUnescape().HtmlEscape(), url.WithPathOnly("/$/directory-listing/icons/folderbig").ToHref().HtmlEscape(), dirs.Count, files.Count));
foreach (var d in dirs)
{
yield return(" <dir link=\"{0}/\" img=\"{2}\">{1}</dir>\n".Fmt(d.Name.UrlEscape(), d.Name.HtmlEscape(), url.WithPathOnly("/$/directory-listing/icons/folder").ToHref().HtmlEscape()));
}
foreach (var f in files)
{
string extension = f.Name.Contains('.') ? f.Name.Substring(f.Name.LastIndexOf('.') + 1) : "";
yield return(" <file link=\"{0}\" size=\"{1}\" nicesize=\"{2}\" img=\"{3}\">{4}</file>\n"
.Fmt(f.Name.UrlEscape(), f.Length, Ut.SizeToString(f.Length), url.WithPathOnly("/$/directory-listing/icons/" + GetDirectoryListingIconStr(extension)).ToHref().HtmlEscape(), f.Name.HtmlEscape()));
}
yield return("</directory>\n");
}
private static IEnumerable<string> generateDirectoryXml(string localPath, IHttpUrl url, string urlPath)
{
List<DirectoryInfo> dirs = new List<DirectoryInfo>();
List<FileInfo> files = new List<FileInfo>();
DirectoryInfo dirInfo = new DirectoryInfo(localPath);
foreach (var d in dirInfo.GetDirectories())
dirs.Add(d);
foreach (var f in dirInfo.GetFiles())
files.Add(f);
dirs.Sort((a, b) => a.Name.CompareTo(b.Name));
files.Sort((a, b) => a.Name.CompareTo(b.Name));
yield return "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
yield return "<?xml-stylesheet href=\"{0}\" type=\"text/xsl\" ?>\n".Fmt(url.WithPathOnly("/$/directory-listing/xsl").ToHref().HtmlEscape());
yield return "<directory url=\"{0}\" unescapedurl=\"{1}\" img=\"{2}\" numdirs=\"{3}\" numfiles=\"{4}\">\n"
.Fmt(url.ToHref().HtmlEscape(), url.ToHref().UrlUnescape().HtmlEscape(), url.WithPathOnly("/$/directory-listing/icons/folderbig").ToHref().HtmlEscape(), dirs.Count, files.Count);
foreach (var d in dirs)
yield return " <dir link=\"{0}/\" img=\"{2}\">{1}</dir>\n".Fmt(d.Name.UrlEscape(), d.Name.HtmlEscape(), url.WithPathOnly("/$/directory-listing/icons/folder").ToHref().HtmlEscape());
foreach (var f in files)
{
string extension = f.Name.Contains('.') ? f.Name.Substring(f.Name.LastIndexOf('.') + 1) : "";
yield return " <file link=\"{0}\" size=\"{1}\" nicesize=\"{2}\" img=\"{3}\">{4}</file>\n"
.Fmt(f.Name.UrlEscape(), f.Length, Ut.SizeToString(f.Length), url.WithPathOnly("/$/directory-listing/icons/" + GetDirectoryListingIconStr(extension)).ToHref().HtmlEscape(), f.Name.HtmlEscape());
}
yield return "</directory>\n";
}