/// <summary>
/// get the SCORM version by examining the namespace declaration
/// People have misused the "Version" attribute so you can't depend on it.
/// Version SHOULD be in the metadata but some people don't even include that.
/// </summary>
/// <param name="?"></param>
/// <returns></returns>
private string GetSCORMVersion(adlcp_rootv1p2.imscp.manifestType root)
{
string version = "unknown";
XmlNode node = root.getDOMNode();
foreach (XmlNode attr in node.Attributes)
{
if (attr.Name.ToLower() == "xmlns:adlcp")
{
string ns = attr.Value;
switch (ns.ToLower())
{
case "http://www.adlnet.org/xsd/adlcp_rootv1p1":
version = "1.1";
break;
case "http://www.adlnet.org/xsd/adlcp_rootv1p2":
version = "1.2";
break;
case "http://www.adlnet.org/xsd/adlcp_v1p3":
version = "1.3";
break;
}
return(version);
}
}
return(version);
}
private string FindDefaultWebPage(adlcp_rootv1p2.imscp.manifestType root)
{
if (root.Hasorganizations())
{
adlcp_rootv1p2.imscp.organizationsType orgs = root.Getorganizations();
if (orgs.Hasorganization()) // its possible but fatal to have a blank "organizations" node
{
string org_default = "";
if (orgs.Hasdefault2())
{
org_default = orgs.default2.ToString();
var org = FindDefaultOrg(org_default, orgs);
string identifier1 = "";
if (org.Hasidentifier())
{
identifier1 = org.Getidentifier().ToString();
}
if (org.Hastitle())
{
title = org.Gettitle().ToString();
}
if (org.Hasitem())
{
int i = org.GetitemCount();
if (i > 0)
{
adlcp_itemType item = org.GetitemAt(0);
adlcp_rootv1p2.imscp.identifierrefType2 item_identifier = item.identifierref;
//
// find the resource for this item
//
adlcp_rootv1p2.imscp.resourceType resource = FindDefaultResource(item_identifier, root.resources);
if (resource.Hashref())
{
href = resource.href.ToString();
return(href);
}
}
}
}
}
} // end of "organizations" object
return("");
}
public void parseManifest(string pathToManifest)
{
string XMLPath = pathToManifest;
string XMLDirectory = System.IO.Path.GetDirectoryName(pathToManifest);
if (!System.IO.File.Exists(XMLPath))
{
logger.LogWarning("Manifest file not found!");
}
adlcp_rootv1p2Doc doc = new adlcp_rootv1p2Doc();
adlcp_rootv1p2.imscp.manifestType root = new adlcp_rootv1p2.imscp.manifestType(doc.Load(XMLPath));
this.identifier = root.identifier.Value;
// SCORM version should be in the metadata. It should have the following values:
// Schema: ADL SCORM
// SchemaVersion: 1.2
// for SCORM2004 it will say "1.3" or "CAM 1.3"
// unfortunately I have seen a lot of manifests without this which forces you to guess
if (root.Hasmetadata())
{
adlcp_metadataType meta = root.Getmetadata();
if (meta.Hasschemaversion())
{
// this is the way we SHOULD get the version but some manifests don't have this
SCORM_Version = meta.schemaversion.Value;
}
}
if (SCORM_Version == string.Empty || SCORM_Version == null)
{
SCORM_Version = this.GetSCORMVersion(root); //backwards way to get the version
}
if (SCORM_Version == "1.2")
{
logger.LogInformation("Module is SCORM 1.2");
adlcp_rootv1p2.imscp.versionType versionType;
if (root.Hasversion())
{
versionType = root.Getversion(); // this is the manifest's creator's version of this manifest, not SCORM version
}
else
{
versionType = new adlcp_rootv1p2.imscp.versionType("1.0");
}
version = versionType.Value;
title = identifier; //this will become the course title unless there is one in Organizations (should be!)
if (root.Hasmetadata())
{
adlcp_metadataType md = root.Getmetadata();
if (md.HasLOM())
{
if (md.LOM.Hasgeneral())
{
if (md.LOM.general.Hasdescription())
{
description = md.LOM.general.description.ToString();
}
}
}
}
href = FindDefaultWebPage(root);
} // end if version == 1.2
else if (SCORM_Version == "1.3" || SCORM_Version == "CAM 1.3" || SCORM_Version.IndexOf("2004") >= 0)
{
logger.LogInformation("Module is SCORM2004");
adlcp_v1p3Doc doc2 = new adlcp_v1p3Doc();
manifestTypeExtended root2 = new manifestTypeExtended(doc2.Load(XMLPath));
identifier = root.Getidentifier().Value;
title = identifier;
version = root.Getversion().Value;
// Now we start looking for the default web page. Organizations => organization => item
// get the identifierref for the first item
// then find that identifier in resources => resource. That resource.href is the default launching page for the sco
// get all organizations for this manifest. "Organizations" is a container for "Organization" objects
//
href = FindDefaultWebPage(root);
}
else
{
logger.LogInformation("Manifest version is " + SCORM_Version + ". Must be 1.2 or 1.3");
return;
}
logger.LogInformation("Parse of manifest completed successfully");
return;
}
public organizationsEnumerator(manifestType par)
{
parent = par;
nIndex = -1;
}
public base2Enumerator(manifestType par)
{
parent = par;
nIndex = -1;
}
public metadataEnumerator(manifestType par)
{
parent = par;
nIndex = -1;
}
public versionEnumerator(manifestType par)
{
parent = par;
nIndex = -1;
}
public identifierEnumerator(manifestType par)
{
parent = par;
nIndex = -1;
}
public void ReplacemanifestAt(manifestType newValue, int index)
{
ReplaceDomElementAt("http://www.imsproject.org/xsd/imscp_rootv1p1p2", "manifest", index, newValue);
}
public void Addmanifest(manifestType newValue)
{
AppendDomElement("http://www.imsproject.org/xsd/imscp_rootv1p1p2", "manifest", newValue);
}
public resourcesEnumerator(manifestType par)
{
parent = par;
nIndex = -1;
}