/// <summary> /// Tweak old XMP: Move an instance ID from rdf:about to the /// <em>xmpMM:InstanceID</em> property. /// </summary> /// <remarks> /// Tweak old XMP: Move an instance ID from rdf:about to the /// <em>xmpMM:InstanceID</em> property. An old instance ID usually looks /// like "uuid:bac965c4-9d87-11d9-9a30-000d936b79c4", plus InDesign /// 3.0 wrote them like "bac965c4-9d87-11d9-9a30-000d936b79c4". If /// the name looks like a UUID simply move it to <em>xmpMM:InstanceID</em>, /// don't worry about any existing <em>xmpMM:InstanceID</em>. Both will /// only be present when a newer file with the <em>xmpMM:InstanceID</em> /// property is updated by an old app that uses <em>rdf:about</em>. /// </remarks> /// <param name="tree">the root of the metadata tree</param> /// <exception cref="Com.Adobe.Xmp.XMPException">Thrown if tweaking fails.</exception> private static void TweakOldXMP(XMPNode tree) { if (tree.GetName() != null && tree.GetName().Length >= Utils.UuidLength) { string nameStr = tree.GetName().ToLower(); if (nameStr.StartsWith("uuid:")) { nameStr = Sharpen.Runtime.Substring(nameStr, 5); } if (Utils.CheckUUIDFormat(nameStr)) { // move UUID to xmpMM:InstanceID and remove it from the root node XMPPath path = XMPPathParser.ExpandXPath(XMPConstConstants.NsXmpMm, "InstanceID"); XMPNode idNode = XMPNodeUtils.FindNode(tree, path, true, null); if (idNode != null) { idNode.SetOptions(null); // Clobber any existing xmpMM:InstanceID. idNode.SetValue("uuid:" + nameStr); idNode.RemoveChildren(); idNode.RemoveQualifiers(); tree.SetName(null); } else { throw new XMPException("Failure creating xmpMM:InstanceID", XMPErrorConstants.Internalfailure); } } } }
/// <summary> /// The internals for SetProperty() and related calls, used after the node is /// found or created. /// </summary> /// <param name="node">the newly created node</param> /// <param name="value">the node value, can be <code>null</code></param> /// <param name="newOptions">options for the new node, must not be <code>null</code>.</param> /// <param name="deleteExisting">flag if the existing value is to be overwritten</param> /// <exception cref="Com.Adobe.Xmp.XMPException">thrown if options and value do not correspond</exception> internal virtual void SetNode(XMPNode node, object value, PropertyOptions newOptions, bool deleteExisting) { if (deleteExisting) { node.Clear(); } // its checked by SetOptions(), if the merged result is a valid options set node.GetOptions().MergeWith(newOptions); if (!node.GetOptions().IsCompositeProperty()) { // This is setting the value of a leaf node. XMPNodeUtils.SetNodeValue(node, value); } else { if (value != null && value.ToString().Length > 0) { throw new XMPException("Composite nodes can't have values", XMPErrorConstants.Badxpath); } node.RemoveChildren(); } }
/// <summary>The parent is an RDF pseudo-struct containing an rdf:value field.</summary> /// <remarks> /// The parent is an RDF pseudo-struct containing an rdf:value field. Fix the /// XMP data model. The rdf:value node must be the first child, the other /// children are qualifiers. The form, value, and children of the rdf:value /// node are the real ones. The rdf:value node's qualifiers must be added to /// the others. /// </remarks> /// <param name="xmpParent">the parent xmp node</param> /// <exception cref="Com.Adobe.Xmp.XMPException">thown on parsing errors</exception> private static void FixupQualifiedNode(XMPNode xmpParent) { System.Diagnostics.Debug.Assert(xmpParent.GetOptions().IsStruct() && xmpParent.HasChildren()); XMPNode valueNode = xmpParent.GetChild(1); System.Diagnostics.Debug.Assert("rdf:value".Equals(valueNode.GetName())); // Move the qualifiers on the value node to the parent. // Make sure an xml:lang qualifier stays at the front. // Check for duplicate names between the value node's qualifiers and the parent's children. // The parent's children are about to become qualifiers. Check here, between the groups. // Intra-group duplicates are caught by XMPNode#addChild(...). if (valueNode.GetOptions().GetHasLanguage()) { if (xmpParent.GetOptions().GetHasLanguage()) { throw new XMPException("Redundant xml:lang for rdf:value element", XMPErrorConstants.Badxmp); } XMPNode langQual = valueNode.GetQualifier(1); valueNode.RemoveQualifier(langQual); xmpParent.AddQualifier(langQual); } // Start the remaining copy after the xml:lang qualifier. for (int i = 1; i <= valueNode.GetQualifierLength(); i++) { XMPNode qualifier = valueNode.GetQualifier(i); xmpParent.AddQualifier(qualifier); } // Change the parent's other children into qualifiers. // This loop starts at 1, child 0 is the rdf:value node. for (int i_1 = 2; i_1 <= xmpParent.GetChildrenLength(); i_1++) { XMPNode qualifier = xmpParent.GetChild(i_1); xmpParent.AddQualifier(qualifier); } // Move the options and value last, other checks need the parent's original options. // Move the value node's children to be the parent's children. System.Diagnostics.Debug.Assert(xmpParent.GetOptions().IsStruct() || xmpParent.GetHasValueChild()); xmpParent.SetHasValueChild(false); xmpParent.GetOptions().SetStruct(false); xmpParent.GetOptions().MergeWith(valueNode.GetOptions()); xmpParent.SetValue(valueNode.GetValue()); xmpParent.RemoveChildren(); for (Iterator it = valueNode.IterateChildren(); it.HasNext(); ) { XMPNode child = (XMPNode)it.Next(); xmpParent.AddChild(child); } }