本文整理匯總了C#中iTextSharp.xmp.impl.XmpNode.Clone方法的典型用法代碼示例。如果您正苦於以下問題：C# XmpNode.Clone方法的具體用法？C# XmpNode.Clone怎麽用？C# XmpNode.Clone使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類iTextSharp.xmp.impl.XmpNode的用法示例。
在下文中一共展示了XmpNode.Clone方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: AppendSubtree
/// <seealso cref= XMPUtilsImpl#appendProperties(XMPMeta, XMPMeta, boolean, boolean, boolean) </seealso>
/// <param name="destXmp"> The destination XMP object. </param>
/// <param name="sourceNode"> the source node </param>
/// <param name="destParent"> the parent of the destination node </param>
/// <param name="replaceOldValues"> Replace the values of existing properties. </param>
/// <param name="deleteEmptyValues"> flag if properties with empty values should be deleted
/// in the destination object. </param>
/// <exception cref="XmpException"> </exception>
private static void AppendSubtree(XmpMetaImpl destXmp, XmpNode sourceNode, XmpNode destParent,
bool replaceOldValues, bool deleteEmptyValues) {
XmpNode destNode = XmpNodeUtils.FindChildNode(destParent, sourceNode.Name, false);
bool valueIsEmpty = false;
if (deleteEmptyValues) {
valueIsEmpty = sourceNode.Options.Simple
? string.IsNullOrEmpty(sourceNode.Value)
: !sourceNode.HasChildren();
}
if (deleteEmptyValues && valueIsEmpty) {
if (destNode != null) {
destParent.RemoveChild(destNode);
}
}
else if (destNode == null) {
// The one easy case, the destination does not exist.
destParent.AddChild((XmpNode) sourceNode.Clone());
}
else if (replaceOldValues) {
// The destination exists and should be replaced.
destXmp.SetNode(destNode, sourceNode.Value, sourceNode.Options, true);
destParent.RemoveChild(destNode);
destNode = (XmpNode) sourceNode.Clone();
destParent.AddChild(destNode);
}
else {
// The destination exists and is not totally replaced. Structs and
// arrays are merged.
PropertyOptions sourceForm = sourceNode.Options;
PropertyOptions destForm = destNode.Options;
if (sourceForm != destForm) {
return;
}
if (sourceForm.Struct) {
// To merge a struct process the fields recursively. E.g. add simple missing fields.
// The recursive call to AppendSubtree will handle deletion for fields with empty
// values.
for (IEnumerator it = sourceNode.IterateChildren(); it.MoveNext();) {
XmpNode sourceField = (XmpNode) it.Current;
if (sourceField == null)
continue;
AppendSubtree(destXmp, sourceField, destNode, replaceOldValues, deleteEmptyValues);
if (deleteEmptyValues && !destNode.HasChildren()) {
destParent.RemoveChild(destNode);
}
}
}
else if (sourceForm.ArrayAltText) {
// Merge AltText arrays by the "xml:lang" qualifiers. Make sure x-default is first.
// Make a special check for deletion of empty values. Meaningful in AltText arrays
// because the "xml:lang" qualifier provides unambiguous source/dest correspondence.
for (IEnumerator it = sourceNode.IterateChildren(); it.MoveNext();) {
XmpNode sourceItem = (XmpNode) it.Current;
if (sourceItem == null)
continue;
if (!sourceItem.HasQualifier() || !XML_LANG.Equals(sourceItem.GetQualifier(1).Name)) {
continue;
}
int destIndex = XmpNodeUtils.LookupLanguageItem(destNode, sourceItem.GetQualifier(1).Value);
if (deleteEmptyValues && (string.IsNullOrEmpty(sourceItem.Value))) {
if (destIndex != -1) {
destNode.RemoveChild(destIndex);
if (!destNode.HasChildren()) {
destParent.RemoveChild(destNode);
}
}
}
else if (destIndex == -1) {
// Not replacing, keep the existing item.
if (!X_DEFAULT.Equals(sourceItem.GetQualifier(1).Value) || !destNode.HasChildren()) {
sourceItem.CloneSubtree(destNode);
}
else {
XmpNode destItem = new XmpNode(sourceItem.Name, sourceItem.Value, sourceItem.Options);
sourceItem.CloneSubtree(destItem);
destNode.AddChild(1, destItem);
}
}
}
}
else if (sourceForm.Array) {
// Merge other arrays by item values. Don't worry about order or duplicates. Source
// items with empty values do not cause deletion, that conflicts horribly with
// merging.
for (IEnumerator @is = sourceNode.IterateChildren(); @is.MoveNext();) {
XmpNode sourceItem = (XmpNode) @is.Current;
if (sourceItem == null)
//.........這裏部分代碼省略.........