} // ParsePblPath
// ******************************************************************************
/// <summary>
/// Checks if the node addressed by the PBL-Path exists in a NewsML-G2 Package Item
/// </summary>
/// <param name="pkgItem">The Package Item</param>
/// <param name="pblPath">The PBL-Path</param>
/// <returns>True if the node exists</returns>
public static bool PblNodeExists(PackageItemPwrXml pkgItem, string pblPath)
{
if (string.IsNullOrEmpty(pblPath))
{
return(false);
}
var pblPathParsed = ParsePblPath(pblPath);
if ((pblPathParsed.EndNodeType == PblNodeType.ParseError) ||
(pblPathParsed.EndNodeType == PblNodeType.Undefined))
{
return(false);
}
// first check for the groups by their roles
var groupFound = true;
var lastGroupRole = string.Empty;
foreach (var groupRole in pblPathParsed.GroupRoles)
{
lastGroupRole = groupRole;
if (!pkgItem.ExistsRelXN("/nar:groupSet/nar:group[@role='" + groupRole + "']"))
{
groupFound = false;
}
if (!groupFound)
{
break;
}
}
if (!groupFound)
{
return(false);
}
// second: check for itemRef and contentRef - if included into the PBL-Path
string[] refIdParts = { "" };
if (!string.IsNullOrEmpty(pblPathParsed.RefId))
{
refIdParts = pblPathParsed.RefId.Split('='); // part[0] = attribute name, [1] = value
}
if (pblPathParsed.EndNodeType == PblNodeType.ItemRef)
{
if (!pkgItem.ExistsRelXN("/nar:groupSet/nar:group[@role='" + lastGroupRole
+ "']/nar:itemRef[@" + refIdParts[0] + "='" + refIdParts[0] + "']"))
{
return(false);
}
}
if (pblPathParsed.EndNodeType == PblNodeType.ContentRef)
{
if (!pkgItem.ExistsRelXN("/nar:groupSet/nar:group[@role='" + lastGroupRole
+ "']/nar:conceptRef[@" + refIdParts[0] + "='" + refIdParts[0] + "']"))
{
return(false);
}
}
return(true);
} // PblNodeExists
// ******************************************************************************
/// <summary>
/// Checks if the node addressed by the PBL-Path exists in a NewsML-G2 Package Item
/// </summary>
/// <param name="pkgItem">The Package Item</param>
/// <param name="pblPath">The PBL-Path</param>
/// <returns>True if the node exists</returns>
public static bool PblNodeExists(PackageItemPwrXml pkgItem, string pblPath)
{
if (string.IsNullOrEmpty(pblPath))
return false;
var pblPathParsed = ParsePblPath(pblPath);
if ((pblPathParsed.EndNodeType == PblNodeType.ParseError)
|| (pblPathParsed.EndNodeType == PblNodeType.Undefined))
return false;
// first check for the groups by their roles
var groupFound = true;
var lastGroupRole = string.Empty;
foreach (var groupRole in pblPathParsed.GroupRoles)
{
lastGroupRole = groupRole;
if (!pkgItem.ExistsRelXN("/nar:groupSet/nar:group[@role='" + groupRole + "']"))
groupFound = false;
if (!groupFound)
break;
}
if (!groupFound)
return false;
// second: check for itemRef and contentRef - if included into the PBL-Path
string[] refIdParts = {""};
if (!string.IsNullOrEmpty(pblPathParsed.RefId))
refIdParts = pblPathParsed.RefId.Split('='); // part[0] = attribute name, [1] = value
if (pblPathParsed.EndNodeType == PblNodeType.ItemRef)
{
if (!pkgItem.ExistsRelXN("/nar:groupSet/nar:group[@role='" + lastGroupRole
+ "']/nar:itemRef[@" + refIdParts[0] + "='" + refIdParts[0] + "']"))
return false;
}
if (pblPathParsed.EndNodeType == PblNodeType.ContentRef)
{
if (!pkgItem.ExistsRelXN("/nar:groupSet/nar:group[@role='" + lastGroupRole
+ "']/nar:conceptRef[@" + refIdParts[0] + "='" + refIdParts[0] + "']"))
return false;
}
return true;
}
