/// <summary>
/// Converts path <paramref name="oldPath"/>
/// into a path relative to <paramref name="context"/>.<see cref="XsltGeneratorContext.ProcessedPath"/>.
/// (and also relative to <paramref name="context"/>.<see cref="XsltGeneratorContext.ContentGroupPath"/> if it is used).
/// </summary>
/// <param name="context">current generator context</param>
/// <param name="oldPath">projected path</param>
/// <returns>relative xpath expression</returns>
public static XPathExpr GroupAwareProjectXPathWithoutAttributeCorrection(XsltGeneratorContext context, XPathExpr oldPath)
{
if (context.InGroup && oldPath.HasPrefix(context.ContentGroupPath))
{
oldPath = oldPath.InsertAfterPrefix(context.ContentGroupPath, "/$cg");
}
XPathExpr tmp = ProjectXPath(context.ProcessedPath, oldPath, context.InGroup);
return(tmp);
}
internal XPathExpr NodeToProcessedPath(PSMElement node)
{
Version oldVersion = ChangeSet.OldVersion;
if (!InGroup)
{
return(XPathHelper.GetXPathForNode(node, oldVersion));
}
else
{
XPathExpr path = XPathHelper.GetXPathForNode(node, oldVersion).Append("/$cg");
//if (InGroup/* && ProcessedPath.HasPrefix(ContentGroupPath)*/)
{
Debug.Assert(path.HasPrefix(ContentGroupPath));
Debug.Assert(path == (!ContentGroupPath.ToString().EndsWith("/$cg") ? ContentGroupPath.Append("/$cg") : ContentGroupPath));
//path = path.InsertAfterPrefix(ContentGroupPath, "/$cg");
}
return(path);
}
}
/// <summary>
/// Converts path to <paramref name="psmElementNewVersion"/>
/// into a path relative to <paramref name="context"/>.<see cref="XsltGeneratorContext.ProcessedPath"/>.
/// (and also relative to <paramref name="context"/>.<see cref="XsltGeneratorContext.ContentGroupPath"/> if it is used).
/// If context is in group (<see cref="XsltGeneratorContext"/>.<see cref="XsltGeneratorContext.InGroup"/>) which
/// has group attributes and <paramref name="psmElementNewVersion"/> is one of these attributes, the returned path
/// is modified to use the '$attributes' variable.
/// </summary>
/// <param name="context">current generator context</param>
/// <param name="psmElementNewVersion">element for which the path is projected</param>
/// <param name="oldVersion">old version, used to determine the path to <paramref name="psmElementNewVersion"/> in the
/// old version of the diagram</param>
/// <returns>relative xpath expression</returns>
public static XPathExpr GroupAwareProjectXPath(XsltGeneratorContext context, PSMElement psmElementNewVersion, Version oldVersion)
{
XPathExpr oldPath = ((PSMElement)psmElementNewVersion.GetInVersion(oldVersion)).XPathE();
if (context.InGroup && oldPath.HasPrefix(context.ContentGroupPath))
{
oldPath = oldPath.InsertAfterPrefix(context.ContentGroupPath, "/$cg");
}
XPathExpr tmp = ProjectXPath(context.ProcessedPath, oldPath, context.InGroup);
if (context.InGroup && context.ContentGroupAttributes != null && psmElementNewVersion is PSMAttribute &&
context.ContentGroupAttributes.Contains((PSMAttribute)psmElementNewVersion))
{
if (tmp.ToString().StartsWith(XPathExpr.CurrentGroupVariableExpr))
{
tmp = new XPathExpr(tmp.ToString().Replace(XPathExpr.CurrentGroupVariableExpr, "$attributes"));
}
}
return(tmp);
}
