public Resource(string conditional, XPathVariable[] variables, IFileProvider fileProvider, string source, string output, ResourceTransform[] transformers)
{
this.ConditionExpression = conditional;
this.FileProvider = fileProvider;
this.Source = source;
this.Output = output;
this.Variables = variables;
this.Transforms = transformers;
}
private static IPublishedContent FindContentByAlias(ContextualPublishedContentCache cache, int rootNodeId, string alias)
{
if (alias == null)
{
throw new ArgumentNullException("alias");
}
// the alias may be "foo/bar" or "/foo/bar"
// there may be spaces as in "/foo/bar, /foo/nil"
// these should probably be taken care of earlier on
alias = alias.TrimStart('/');
var xpathBuilder = new StringBuilder();
if (rootNodeId > 0)
{
xpathBuilder.AppendFormat(XPathStrings.DescendantDocumentById, rootNodeId);
}
else
{
xpathBuilder.Append(XPathStringsDefinition.Root);
}
XPathVariable var = null;
if (alias.Contains('\'') || alias.Contains('"'))
{
// use a var, as escaping gets ugly pretty quickly
var = new XPathVariable("alias", alias);
alias = "$alias";
}
xpathBuilder.AppendFormat(XPathStrings.DescendantDocumentByAlias, alias);
var xpath = xpathBuilder.ToString();
// note: it's OK if var is null, will be ignored
return(cache.GetSingleByXPath(xpath, var));
}
public IPublishedContent GetDocumentByUrlAlias(UmbracoContext umbracoContext, int rootNodeId, string alias)
{
if (umbracoContext == null)
{
throw new ArgumentNullException("umbracoContext");
}
if (alias == null)
{
throw new ArgumentNullException("alias");
}
// the alias may be "foo/bar" or "/foo/bar"
// there may be spaces as in "/foo/bar, /foo/nil"
// these should probably be taken care of earlier on
alias = alias.TrimStart('/');
var xpathBuilder = new StringBuilder();
xpathBuilder.Append(XPathStrings.Root);
if (rootNodeId > 0)
{
xpathBuilder.AppendFormat(XPathStrings.DescendantDocumentById, rootNodeId);
}
XPathVariable var = null;
if (alias.Contains('\'') || alias.Contains('"'))
{
// use a var, escaping gets ugly pretty quickly
var = new XPathVariable("alias", alias);
alias = "$alias";
}
xpathBuilder.AppendFormat(XPathStrings.DescendantDocumentByAlias, alias);
var xpath = xpathBuilder.ToString();
return(ConvertToDocument(GetXml(umbracoContext).SelectSingleNode(xpath, var)));
}
