internal virtual ZipPackageRelationship CreateRelationship(Uri targetUri, TargetMode targetMode, string relationshipType)
{
var rel = new ZipPackageRelationship();
rel.TargetUri = targetUri;
rel.TargetMode = targetMode;
rel.RelationshipType = relationshipType;
rel.Id = "rId" + (maxRId++).ToString();
_rels.Add(rel);
return rel;
}
internal virtual ZipPackageRelationship CreateRelationship(Uri targetUri, TargetMode targetMode, string relationshipType)
{
var rel = new ZipPackageRelationship();
rel.TargetUri = targetUri;
rel.TargetMode = targetMode;
rel.RelationshipType = relationshipType;
rel.Id = "rId" + (maxRId++).ToString();
_rels.Add(rel);
return(rel);
}
internal void ReadRelation(string xml, string source)
{
var doc = new XmlDocument();
XmlHelper.LoadXmlSafe(doc, xml, Encoding.UTF8);
foreach (XmlElement c in doc.DocumentElement.ChildNodes)
{
var target = c.GetAttribute("Target");
var rel = new ZipPackageRelationship();
rel.Id = c.GetAttribute("Id");
rel.RelationshipType = c.GetAttribute("Type");
rel.TargetMode = c.GetAttribute("TargetMode").Equals("external", StringComparison.OrdinalIgnoreCase) ? TargetMode.External : TargetMode.Internal;
if (target.StartsWith("#"))
{
rel.Target = c.GetAttribute("Target");
}
else
{
try
{
rel.TargetUri = new Uri(c.GetAttribute("Target"), UriKind.RelativeOrAbsolute);
}
catch
{
//The URI is not a valid URI. Encode it to make i valid.
rel.TargetUri = new Uri(Uri.EscapeUriString("Invalid:URI " + c.GetAttribute("Target")), UriKind.RelativeOrAbsolute);
rel.Target = c.GetAttribute("Target");
}
}
if (!string.IsNullOrEmpty(source))
{
rel.SourceUri = new Uri(source, UriKind.Relative);
}
if (rel.Id.StartsWith("rid", StringComparison.OrdinalIgnoreCase))
{
int id;
if (int.TryParse(rel.Id.Substring(3), out id))
{
if (id >= maxRId && id < int.MaxValue - 10000) //Not likly to have this high id's but make sure we have space to avoid overflow.
{
maxRId = id + 1;
}
}
}
_rels.Add(rel);
}
}
internal void ReadRelation(string xml, string source)
{
var doc = new XmlDocument();
XmlHelper.LoadXmlSafe(doc, xml, Encoding.UTF8);
foreach (XmlElement c in doc.DocumentElement.ChildNodes)
{
var rel = new ZipPackageRelationship();
rel.Id = c.GetAttribute("Id");
rel.RelationshipType = c.GetAttribute("Type");
rel.TargetMode = c.GetAttribute("TargetMode").ToLower() == "external" ? TargetMode.External : TargetMode.Internal;
try
{
rel.TargetUri = new Uri(c.GetAttribute("Target"), UriKind.RelativeOrAbsolute);
}
catch
{
//The URI is not a valid URI. Encode it to make i valid.
rel.TargetUri = new Uri(Uri.EscapeUriString("Invalid:URI "+c.GetAttribute("Target")), UriKind.RelativeOrAbsolute);
}
if (!string.IsNullOrEmpty(source))
{
rel.SourceUri = new Uri(source, UriKind.Relative);
}
if (rel.Id.ToLower().StartsWith("rid"))
{
int id;
if (int.TryParse(rel.Id.Substring(3), out id))
{
if (id >= maxRId && id < int.MaxValue - 10000) //Not likly to have this high id's but make sure we have space to avoid overflow.
{
maxRId = id + 1;
}
}
}
_rels.Add(rel);
}
}
internal bool TryGetRelationshipById(string id, out ZipPackageRelationship relationship)
{
return(_rels.TryGetRelationshipsById(id, out relationship));
}