/// <seealso cref="Com.Adobe.Xmp.XMPUtils.AppendProperties(Com.Adobe.Xmp.XMPMeta, Com.Adobe.Xmp.XMPMeta, bool, bool)"/> /// <param name="source">The source XMP object.</param> /// <param name="destination">The destination XMP object.</param> /// <param name="doAllProperties">Do internal properties in addition to external properties.</param> /// <param name="replaceOldValues">Replace the values of existing properties.</param> /// <param name="deleteEmptyValues">Delete destination values if source property is empty.</param> /// <exception cref="Com.Adobe.Xmp.XMPException">Forwards the Exceptions from the metadata processing</exception> public static void AppendProperties(XMPMeta source, XMPMeta destination, bool doAllProperties, bool replaceOldValues, bool deleteEmptyValues) { ParameterAsserts.AssertImplementation(source); ParameterAsserts.AssertImplementation(destination); XMPMetaImpl src = (XMPMetaImpl)source; XMPMetaImpl dest = (XMPMetaImpl)destination; for (Iterator it = src.GetRoot().IterateChildren(); it.HasNext();) { XMPNode sourceSchema = (XMPNode)it.Next(); // Make sure we have a destination schema node XMPNode destSchema = XMPNodeUtils.FindSchemaNode(dest.GetRoot(), sourceSchema.GetName(), false); bool createdSchema = false; if (destSchema == null) { destSchema = new XMPNode(sourceSchema.GetName(), sourceSchema.GetValue(), new PropertyOptions().SetSchemaNode(true)); dest.GetRoot().AddChild(destSchema); createdSchema = true; } // Process the source schema's children. for (Iterator ic = sourceSchema.IterateChildren(); ic.HasNext();) { XMPNode sourceProp = (XMPNode)ic.Next(); if (doAllProperties || !Utils.IsInternalProperty(sourceSchema.GetName(), sourceProp.GetName())) { AppendSubtree(dest, sourceProp, destSchema, replaceOldValues, deleteEmptyValues); } } if (!destSchema.HasChildren() && (createdSchema || deleteEmptyValues)) { // Don't create an empty schema / remove empty schema. dest.GetRoot().RemoveChild(destSchema); } } }
/// <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); } } } }
// EMPTY /// <seealso cref="Com.Adobe.Xmp.XMPUtils.CatenateArrayItems(Com.Adobe.Xmp.XMPMeta, string, string, string, string, bool)"/> /// <param name="xmp">The XMP object containing the array to be catenated.</param> /// <param name="schemaNS"> /// The schema namespace URI for the array. Must not be null or /// the empty string. /// </param> /// <param name="arrayName"> /// The name of the array. May be a general path expression, must /// not be null or the empty string. Each item in the array must /// be a simple string value. /// </param> /// <param name="separator"> /// The string to be used to separate the items in the catenated /// string. Defaults to "; ", ASCII semicolon and space /// (U+003B, U+0020). /// </param> /// <param name="quotes"> /// The characters to be used as quotes around array items that /// contain a separator. Defaults to '"' /// </param> /// <param name="allowCommas">Option flag to control the catenation.</param> /// <returns>Returns the string containing the catenated array items.</returns> /// <exception cref="Com.Adobe.Xmp.XMPException">Forwards the Exceptions from the metadata processing</exception> public static string CatenateArrayItems(XMPMeta xmp, string schemaNS, string arrayName, string separator, string quotes, bool allowCommas) { ParameterAsserts.AssertSchemaNS(schemaNS); ParameterAsserts.AssertArrayName(arrayName); ParameterAsserts.AssertImplementation(xmp); if (separator == null || separator.Length == 0) { separator = "; "; } if (quotes == null || quotes.Length == 0) { quotes = "\""; } XMPMetaImpl xmpImpl = (XMPMetaImpl)xmp; XMPNode arrayNode = null; XMPNode currItem = null; // Return an empty result if the array does not exist, // hurl if it isn't the right form. XMPPath arrayPath = XMPPathParser.ExpandXPath(schemaNS, arrayName); arrayNode = XMPNodeUtils.FindNode(xmpImpl.GetRoot(), arrayPath, false, null); if (arrayNode == null) { return(string.Empty); } else { if (!arrayNode.GetOptions().IsArray() || arrayNode.GetOptions().IsArrayAlternate()) { throw new XMPException("Named property must be non-alternate array", XMPErrorConstants.Badparam); } } // Make sure the separator is OK. CheckSeparator(separator); // Make sure the open and close quotes are a legitimate pair. char openQuote = quotes[0]; char closeQuote = CheckQuotes(quotes, openQuote); // Build the result, quoting the array items, adding separators. // Hurl if any item isn't simple. StringBuilder catinatedString = new StringBuilder(); for (Iterator it = arrayNode.IterateChildren(); it.HasNext();) { currItem = (XMPNode)it.Next(); if (currItem.GetOptions().IsCompositeProperty()) { throw new XMPException("Array items must be simple", XMPErrorConstants.Badparam); } string str = ApplyQuotes(currItem.GetValue(), openQuote, closeQuote, allowCommas); catinatedString.Append(str); if (it.HasNext()) { catinatedString.Append(separator); } } return(catinatedString.ToString()); }
/// <summary> /// The initial support for WAV files mapped a legacy ID3 audio copyright /// into a new xmpDM:copyright property. /// </summary> /// <remarks> /// The initial support for WAV files mapped a legacy ID3 audio copyright /// into a new xmpDM:copyright property. This is special case code to migrate /// that into dc:rights['x-default']. The rules: /// <pre> /// 1. If there is no dc:rights array, or an empty array - /// Create one with dc:rights['x-default'] set from double linefeed and xmpDM:copyright. /// 2. If there is a dc:rights array but it has no x-default item - /// Create an x-default item as a copy of the first item then apply rule #3. /// 3. If there is a dc:rights array with an x-default item, /// Look for a double linefeed in the value. /// A. If no double linefeed, compare the x-default value to the xmpDM:copyright value. /// A1. If they match then leave the x-default value alone. /// A2. Otherwise, append a double linefeed and /// the xmpDM:copyright value to the x-default value. /// B. If there is a double linefeed, compare the trailing text to the xmpDM:copyright value. /// B1. If they match then leave the x-default value alone. /// B2. Otherwise, replace the trailing x-default text with the xmpDM:copyright value. /// 4. In all cases, delete the xmpDM:copyright property. /// </pre> /// </remarks> /// <param name="xmp">the metadata object</param> /// <param name="dmCopyright">the "dm:copyright"-property</param> private static void MigrateAudioCopyright(XMPMeta xmp, XMPNode dmCopyright) { try { XMPNode dcSchema = XMPNodeUtils.FindSchemaNode(((XMPMetaImpl)xmp).GetRoot(), XMPConstConstants.NsDc, true); string dmValue = dmCopyright.GetValue(); string doubleLF = "\n\n"; XMPNode dcRightsArray = XMPNodeUtils.FindChildNode(dcSchema, "dc:rights", false); if (dcRightsArray == null || !dcRightsArray.HasChildren()) { // 1. No dc:rights array, create from double linefeed and xmpDM:copyright. dmValue = doubleLF + dmValue; xmp.SetLocalizedText(XMPConstConstants.NsDc, "rights", string.Empty, XMPConstConstants.XDefault, dmValue, null); } else { int xdIndex = XMPNodeUtils.LookupLanguageItem(dcRightsArray, XMPConstConstants.XDefault); if (xdIndex < 0) { // 2. No x-default item, create from the first item. string firstValue = dcRightsArray.GetChild(1).GetValue(); xmp.SetLocalizedText(XMPConstConstants.NsDc, "rights", string.Empty, XMPConstConstants.XDefault, firstValue, null); xdIndex = XMPNodeUtils.LookupLanguageItem(dcRightsArray, XMPConstConstants.XDefault); } // 3. Look for a double linefeed in the x-default value. XMPNode defaultNode = dcRightsArray.GetChild(xdIndex); string defaultValue = defaultNode.GetValue(); int lfPos = defaultValue.IndexOf(doubleLF); if (lfPos < 0) { // 3A. No double LF, compare whole values. if (!dmValue.Equals(defaultValue)) { // 3A2. Append the xmpDM:copyright to the x-default // item. defaultNode.SetValue(defaultValue + doubleLF + dmValue); } } else { // 3B. Has double LF, compare the tail. if (!Sharpen.Runtime.Substring(defaultValue, lfPos + 2).Equals(dmValue)) { // 3B2. Replace the x-default tail. defaultNode.SetValue(Sharpen.Runtime.Substring(defaultValue, 0, lfPos + 2) + dmValue); } } } // 4. Get rid of the xmpDM:copyright. dmCopyright.GetParent().RemoveChild(dmCopyright); } catch (XMPException) { } }
/// <summary>Visit all schemas to do general fixes and handle special cases.</summary> /// <param name="xmp">the metadata object implementation</param> /// <exception cref="Com.Adobe.Xmp.XMPException">Thrown if the normalisation fails.</exception> private static void TouchUpDataModel(XMPMetaImpl xmp) { // make sure the DC schema is existing, because it might be needed within the normalization // if not touched it will be removed by removeEmptySchemas XMPNodeUtils.FindSchemaNode(xmp.GetRoot(), XMPConstConstants.NsDc, true); // Do the special case fixes within each schema. for (Iterator it = xmp.GetRoot().IterateChildren(); it.HasNext();) { XMPNode currSchema = (XMPNode)it.Next(); if (XMPConstConstants.NsDc.Equals(currSchema.GetName())) { NormalizeDCArrays(currSchema); } else { if (XMPConstConstants.NsExif.Equals(currSchema.GetName())) { // Do a special case fix for exif:GPSTimeStamp. FixGPSTimeStamp(currSchema); XMPNode arrayNode = XMPNodeUtils.FindChildNode(currSchema, "exif:UserComment", false); if (arrayNode != null) { RepairAltText(arrayNode); } } else { if (XMPConstConstants.NsDm.Equals(currSchema.GetName())) { // Do a special case migration of xmpDM:copyright to // dc:rights['x-default']. XMPNode dmCopyright = XMPNodeUtils.FindChildNode(currSchema, "xmpDM:copyright", false); if (dmCopyright != null) { MigrateAudioCopyright(xmp, dmCopyright); } } else { if (XMPConstConstants.NsXmpRights.Equals(currSchema.GetName())) { XMPNode arrayNode = XMPNodeUtils.FindChildNode(currSchema, "xmpRights:UsageTerms", false); if (arrayNode != null) { RepairAltText(arrayNode); } } } } } } }
/// <summary>Associates an alias name with an actual name.</summary> /// <remarks> /// Associates an alias name with an actual name. /// <p> /// Define a alias mapping from one namespace/property to another. Both /// property names must be simple names. An alias can be a direct mapping, /// where the alias and actual have the same data type. It is also possible /// to map a simple alias to an item in an array. This can either be to the /// first item in the array, or to the 'x-default' item in an alt-text array. /// Multiple alias names may map to the same actual, as long as the forms /// match. It is a no-op to reregister an alias in an identical fashion. /// Note: This method is not locking because only called by registerStandardAliases /// which is only called by the constructor. /// Note2: The method is only package-private so that it can be tested with unittests /// </remarks> /// <param name="aliasNS"> /// The namespace URI for the alias. Must not be null or the empty /// string. /// </param> /// <param name="aliasProp"> /// The name of the alias. Must be a simple name, not null or the /// empty string and not a general path expression. /// </param> /// <param name="actualNS"> /// The namespace URI for the actual. Must not be null or the /// empty string. /// </param> /// <param name="actualProp"> /// The name of the actual. Must be a simple name, not null or the /// empty string and not a general path expression. /// </param> /// <param name="aliasForm"> /// Provides options for aliases for simple aliases to array /// items. This is needed to know what kind of array to create if /// set for the first time via the simple alias. Pass /// <code>XMP_NoOptions</code>, the default value, for all /// direct aliases regardless of whether the actual data type is /// an array or not (see /// <see cref="Com.Adobe.Xmp.Options.AliasOptions"/> /// ). /// </param> /// <exception cref="Com.Adobe.Xmp.XMPException">for inconsistant aliases.</exception> internal void RegisterAlias(string aliasNS, string aliasProp, string actualNS, string actualProp, AliasOptions aliasForm) { lock (this) { ParameterAsserts.AssertSchemaNS(aliasNS); ParameterAsserts.AssertPropName(aliasProp); ParameterAsserts.AssertSchemaNS(actualNS); ParameterAsserts.AssertPropName(actualProp); // Fix the alias options AliasOptions aliasOpts = aliasForm != null ? new AliasOptions(XMPNodeUtils.VerifySetOptions(aliasForm.ToPropertyOptions(), null).GetOptions()) : new AliasOptions(); if (p.Matcher(aliasProp).Find() || p.Matcher(actualProp).Find()) { throw new XMPException("Alias and actual property names must be simple", XMPErrorConstants.Badxpath); } // check if both namespaces are registered string aliasPrefix = GetNamespacePrefix(aliasNS); string actualPrefix = GetNamespacePrefix(actualNS); if (aliasPrefix == null) { throw new XMPException("Alias namespace is not registered", XMPErrorConstants.Badschema); } else { if (actualPrefix == null) { throw new XMPException("Actual namespace is not registered", XMPErrorConstants.Badschema); } } string key = aliasPrefix + aliasProp; // check if alias is already existing if (aliasMap.ContainsKey(key)) { throw new XMPException("Alias is already existing", XMPErrorConstants.Badparam); } else { if (aliasMap.ContainsKey(actualPrefix + actualProp)) { throw new XMPException("Actual property is already an alias, use the base property", XMPErrorConstants.Badparam); } } XMPAliasInfo aliasInfo = new _XMPAliasInfo_390(actualNS, actualPrefix, actualProp, aliasOpts); aliasMap.Put(key, aliasInfo); } }
/// <summary>Utility to find or create the array used by <code>SeparateArrayItems()</code>.</summary> /// <param name="schemaNS">a the namespace fo the array</param> /// <param name="arrayName">the name of the array</param> /// <param name="arrayOptions">the options for the array if newly created</param> /// <param name="xmp">the xmp object</param> /// <returns>Returns the array node.</returns> /// <exception cref="Com.Adobe.Xmp.XMPException">Forwards exceptions</exception> private static XMPNode SeparateFindCreateArray(string schemaNS, string arrayName, PropertyOptions arrayOptions, XMPMetaImpl xmp) { arrayOptions = XMPNodeUtils.VerifySetOptions(arrayOptions, null); if (!arrayOptions.IsOnlyArrayOptions()) { throw new XMPException("Options can only provide array form", XMPErrorConstants.Badoptions); } // Find the array node, make sure it is OK. Move the current children // aside, to be readded later if kept. XMPPath arrayPath = XMPPathParser.ExpandXPath(schemaNS, arrayName); XMPNode arrayNode = XMPNodeUtils.FindNode(xmp.GetRoot(), arrayPath, false, null); if (arrayNode != null) { // The array exists, make sure the form is compatible. Zero // arrayForm means take what exists. PropertyOptions arrayForm = arrayNode.GetOptions(); if (!arrayForm.IsArray() || arrayForm.IsArrayAlternate()) { throw new XMPException("Named property must be non-alternate array", XMPErrorConstants.Badxpath); } if (arrayOptions.EqualArrayTypes(arrayForm)) { throw new XMPException("Mismatch of specified and existing array form", XMPErrorConstants.Badxpath); } } else { // *** Right error? // The array does not exist, try to create it. // don't modify the options handed into the method arrayNode = XMPNodeUtils.FindNode(xmp.GetRoot(), arrayPath, true, arrayOptions.SetArray(true)); if (arrayNode == null) { throw new XMPException("Failed to create named array", XMPErrorConstants.Badxpath); } } return(arrayNode); }
/// <summary>Fixes the GPS Timestamp in EXIF.</summary> /// <param name="exifSchema">the EXIF schema node</param> /// <exception cref="Com.Adobe.Xmp.XMPException">Thrown if the date conversion fails.</exception> private static void FixGPSTimeStamp(XMPNode exifSchema) { // Note: if dates are not found the convert-methods throws an exceptions, // and this methods returns. XMPNode gpsDateTime = XMPNodeUtils.FindChildNode(exifSchema, "exif:GPSTimeStamp", false); if (gpsDateTime == null) { return; } try { XMPDateTime binGPSStamp; XMPDateTime binOtherDate; binGPSStamp = XMPUtils.ConvertToDate(gpsDateTime.GetValue()); if (binGPSStamp.GetYear() != 0 || binGPSStamp.GetMonth() != 0 || binGPSStamp.GetDay() != 0) { return; } XMPNode otherDate = XMPNodeUtils.FindChildNode(exifSchema, "exif:DateTimeOriginal", false); if (otherDate == null) { otherDate = XMPNodeUtils.FindChildNode(exifSchema, "exif:DateTimeDigitized", false); } binOtherDate = XMPUtils.ConvertToDate(otherDate.GetValue()); Sharpen.Calendar cal = binGPSStamp.GetCalendar(); cal.Set(Sharpen.CalendarEnum.Year, binOtherDate.GetYear()); cal.Set(Sharpen.CalendarEnum.Month, binOtherDate.GetMonth()); cal.Set(Sharpen.CalendarEnum.DayOfMonth, binOtherDate.GetDay()); binGPSStamp = new XMPDateTimeImpl(cal); gpsDateTime.SetValue(XMPUtils.ConvertFromDate(binGPSStamp)); } catch (XMPException) { // Don't let a missing or bad date stop other things. return; } }
/// <summary>Visit all of the top level nodes looking for aliases.</summary> /// <remarks> /// Visit all of the top level nodes looking for aliases. If there is /// no base, transplant the alias subtree. If there is a base and strict /// aliasing is on, make sure the alias and base subtrees match. /// </remarks> /// <param name="tree">the root of the metadata tree</param> /// <param name="options">th parsing options</param> /// <exception cref="Com.Adobe.Xmp.XMPException">Forwards XMP errors</exception> private static void MoveExplicitAliases(XMPNode tree, ParseOptions options) { if (!tree.GetHasAliases()) { return; } tree.SetHasAliases(false); bool strictAliasing = options.GetStrictAliasing(); for (Iterator schemaIt = tree.GetUnmodifiableChildren().Iterator(); schemaIt.HasNext();) { XMPNode currSchema = (XMPNode)schemaIt.Next(); if (!currSchema.GetHasAliases()) { continue; } for (Iterator propertyIt = currSchema.IterateChildren(); propertyIt.HasNext();) { XMPNode currProp = (XMPNode)propertyIt.Next(); if (!currProp.IsAlias()) { continue; } currProp.SetAlias(false); // Find the base path, look for the base schema and root node. XMPAliasInfo info = XMPMetaFactory.GetSchemaRegistry().FindAlias(currProp.GetName()); if (info != null) { // find or create schema XMPNode baseSchema = XMPNodeUtils.FindSchemaNode(tree, info.GetNamespace(), null, true); baseSchema.SetImplicit(false); XMPNode baseNode = XMPNodeUtils.FindChildNode(baseSchema, info.GetPrefix() + info.GetPropName(), false); if (baseNode == null) { if (info.GetAliasForm().IsSimple()) { // A top-to-top alias, transplant the property. // change the alias property name to the base name string qname = info.GetPrefix() + info.GetPropName(); currProp.SetName(qname); baseSchema.AddChild(currProp); // remove the alias property propertyIt.Remove(); } else { // An alias to an array item, // create the array and transplant the property. baseNode = new XMPNode(info.GetPrefix() + info.GetPropName(), info.GetAliasForm().ToPropertyOptions()); baseSchema.AddChild(baseNode); TransplantArrayItemAlias(propertyIt, currProp, baseNode); } } else { if (info.GetAliasForm().IsSimple()) { // The base node does exist and this is a top-to-top alias. // Check for conflicts if strict aliasing is on. // Remove and delete the alias subtree. if (strictAliasing) { CompareAliasedSubtrees(currProp, baseNode, true); } propertyIt.Remove(); } else { // This is an alias to an array item and the array exists. // Look for the aliased item. // Then transplant or check & delete as appropriate. XMPNode itemNode = null; if (info.GetAliasForm().IsArrayAltText()) { int xdIndex = XMPNodeUtils.LookupLanguageItem(baseNode, XMPConstConstants.XDefault); if (xdIndex != -1) { itemNode = baseNode.GetChild(xdIndex); } } else { if (baseNode.HasChildren()) { itemNode = baseNode.GetChild(1); } } if (itemNode == null) { TransplantArrayItemAlias(propertyIt, currProp, baseNode); } else { if (strictAliasing) { CompareAliasedSubtrees(currProp, itemNode, true); } propertyIt.Remove(); } } } } } currSchema.SetHasAliases(false); } }
/// <summary>Compares two nodes including its children and qualifier.</summary> /// <param name="leftNode">an <code>XMPNode</code></param> /// <param name="rightNode">an <code>XMPNode</code></param> /// <returns>Returns true if the nodes are equal, false otherwise.</returns> /// <exception cref="Com.Adobe.Xmp.XMPException">Forwards exceptions to the calling method.</exception> private static bool ItemValuesMatch(XMPNode leftNode, XMPNode rightNode) { PropertyOptions leftForm = leftNode.GetOptions(); PropertyOptions rightForm = rightNode.GetOptions(); if (leftForm.Equals(rightForm)) { return(false); } if (leftForm.GetOptions() == 0) { // Simple nodes, check the values and xml:lang qualifiers. if (!leftNode.GetValue().Equals(rightNode.GetValue())) { return(false); } if (leftNode.GetOptions().GetHasLanguage() != rightNode.GetOptions().GetHasLanguage()) { return(false); } if (leftNode.GetOptions().GetHasLanguage() && !leftNode.GetQualifier(1).GetValue().Equals(rightNode.GetQualifier(1).GetValue())) { return(false); } } else { if (leftForm.IsStruct()) { // Struct nodes, see if all fields match, ignoring order. if (leftNode.GetChildrenLength() != rightNode.GetChildrenLength()) { return(false); } for (Iterator it = leftNode.IterateChildren(); it.HasNext();) { XMPNode leftField = (XMPNode)it.Next(); XMPNode rightField = XMPNodeUtils.FindChildNode(rightNode, leftField.GetName(), false); if (rightField == null || !ItemValuesMatch(leftField, rightField)) { return(false); } } } else { // Array nodes, see if the "leftNode" values are present in the // "rightNode", ignoring order, duplicates, // and extra values in the rightNode-> The rightNode is the // destination for AppendProperties. System.Diagnostics.Debug.Assert(leftForm.IsArray()); for (Iterator il = leftNode.IterateChildren(); il.HasNext();) { XMPNode leftItem = (XMPNode)il.Next(); bool match = false; for (Iterator ir = rightNode.IterateChildren(); ir.HasNext();) { XMPNode rightItem = (XMPNode)ir.Next(); if (ItemValuesMatch(leftItem, rightItem)) { match = true; break; } } if (!match) { return(false); } } } } return(true); }
/// <seealso cref="AppendProperties(Com.Adobe.Xmp.XMPMeta, Com.Adobe.Xmp.XMPMeta, bool, bool, bool)"/> /// <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="Com.Adobe.Xmp.XMPException"/> private static void AppendSubtree(XMPMetaImpl destXMP, XMPNode sourceNode, XMPNode destParent, bool replaceOldValues, bool deleteEmptyValues) { XMPNode destNode = XMPNodeUtils.FindChildNode(destParent, sourceNode.GetName(), false); bool valueIsEmpty = false; if (deleteEmptyValues) { valueIsEmpty = sourceNode.GetOptions().IsSimple() ? sourceNode.GetValue() == null || sourceNode.GetValue().Length == 0 : !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.GetValue(), sourceNode.GetOptions(), 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.GetOptions(); PropertyOptions destForm = destNode.GetOptions(); if (sourceForm != destForm) { return; } if (sourceForm.IsStruct()) { // 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 (Iterator it = sourceNode.IterateChildren(); it.HasNext();) { XMPNode sourceField = (XMPNode)it.Next(); AppendSubtree(destXMP, sourceField, destNode, replaceOldValues, deleteEmptyValues); if (deleteEmptyValues && !destNode.HasChildren()) { destParent.RemoveChild(destNode); } } } else { if (sourceForm.IsArrayAltText()) { // 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 (Iterator it = sourceNode.IterateChildren(); it.HasNext();) { XMPNode sourceItem = (XMPNode)it.Next(); if (!sourceItem.HasQualifier() || !XMPConstConstants.XmlLang.Equals(sourceItem.GetQualifier(1).GetName())) { continue; } int destIndex = XMPNodeUtils.LookupLanguageItem(destNode, sourceItem.GetQualifier(1).GetValue()); if (deleteEmptyValues && (sourceItem.GetValue() == null || sourceItem.GetValue().Length == 0)) { if (destIndex != -1) { destNode.RemoveChild(destIndex); if (!destNode.HasChildren()) { destParent.RemoveChild(destNode); } } } else { if (destIndex == -1) { // Not replacing, keep the existing item. if (!XMPConstConstants.XDefault.Equals(sourceItem.GetQualifier(1).GetValue()) || !destNode.HasChildren()) { sourceItem.CloneSubtree(destNode); } else { XMPNode destItem = new XMPNode(sourceItem.GetName(), sourceItem.GetValue(), sourceItem.GetOptions()); sourceItem.CloneSubtree(destItem); destNode.AddChild(1, destItem); } } } } } else { if (sourceForm.IsArray()) { // 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 (Iterator @is = sourceNode.IterateChildren(); @is.HasNext();) { XMPNode sourceItem = (XMPNode)@is.Next(); bool match = false; for (Iterator id = destNode.IterateChildren(); id.HasNext();) { XMPNode destItem = (XMPNode)id.Next(); if (ItemValuesMatch(sourceItem, destItem)) { match = true; } } if (!match) { destNode = (XMPNode)sourceItem.Clone(); destParent.AddChild(destNode); } } } } } } } } }
/// <seealso cref="Com.Adobe.Xmp.XMPUtils.RemoveProperties(Com.Adobe.Xmp.XMPMeta, string, string, bool, bool)"/> /// <param name="xmp">The XMP object containing the properties to be removed.</param> /// <param name="schemaNS"> /// Optional schema namespace URI for the properties to be /// removed. /// </param> /// <param name="propName">Optional path expression for the property to be removed.</param> /// <param name="doAllProperties"> /// Option flag to control the deletion: do internal properties in /// addition to external properties. /// </param> /// <param name="includeAliases"> /// Option flag to control the deletion: Include aliases in the /// "named schema" case above. /// </param> /// <exception cref="Com.Adobe.Xmp.XMPException">If metadata processing fails</exception> public static void RemoveProperties(XMPMeta xmp, string schemaNS, string propName, bool doAllProperties, bool includeAliases) { ParameterAsserts.AssertImplementation(xmp); XMPMetaImpl xmpImpl = (XMPMetaImpl)xmp; if (propName != null && propName.Length > 0) { // Remove just the one indicated property. This might be an alias, // the named schema might not actually exist. So don't lookup the // schema node. if (schemaNS == null || schemaNS.Length == 0) { throw new XMPException("Property name requires schema namespace", XMPErrorConstants.Badparam); } XMPPath expPath = XMPPathParser.ExpandXPath(schemaNS, propName); XMPNode propNode = XMPNodeUtils.FindNode(xmpImpl.GetRoot(), expPath, false, null); if (propNode != null) { if (doAllProperties || !Utils.IsInternalProperty(expPath.GetSegment(XMPPath.StepSchema).GetName(), expPath.GetSegment(XMPPath.StepRootProp).GetName())) { XMPNode parent = propNode.GetParent(); parent.RemoveChild(propNode); if (parent.GetOptions().IsSchemaNode() && !parent.HasChildren()) { // remove empty schema node parent.GetParent().RemoveChild(parent); } } } } else { if (schemaNS != null && schemaNS.Length > 0) { // Remove all properties from the named schema. Optionally include // aliases, in which case // there might not be an actual schema node. // XMP_NodePtrPos schemaPos; XMPNode schemaNode = XMPNodeUtils.FindSchemaNode(xmpImpl.GetRoot(), schemaNS, false); if (schemaNode != null) { if (RemoveSchemaChildren(schemaNode, doAllProperties)) { xmpImpl.GetRoot().RemoveChild(schemaNode); } } if (includeAliases) { // We're removing the aliases also. Look them up by their // namespace prefix. // But that takes more code and the extra speed isn't worth it. // Lookup the XMP node // from the alias, to make sure the actual exists. XMPAliasInfo[] aliases = XMPMetaFactory.GetSchemaRegistry().FindAliases(schemaNS); for (int i = 0; i < aliases.Length; i++) { XMPAliasInfo info = aliases[i]; XMPPath path = XMPPathParser.ExpandXPath(info.GetNamespace(), info.GetPropName()); XMPNode actualProp = XMPNodeUtils.FindNode(xmpImpl.GetRoot(), path, false, null); if (actualProp != null) { XMPNode parent = actualProp.GetParent(); parent.RemoveChild(actualProp); } } } } else { // Remove all appropriate properties from all schema. In this case // we don't have to be // concerned with aliases, they are handled implicitly from the // actual properties. for (Iterator it = xmpImpl.GetRoot().IterateChildren(); it.HasNext();) { XMPNode schema = (XMPNode)it.Next(); if (RemoveSchemaChildren(schema, doAllProperties)) { it.Remove(); } } } } }
/// <summary>Constructor with optionsl initial values.</summary> /// <remarks> /// Constructor with optionsl initial values. If <code>propName</code> is provided, /// <code>schemaNS</code> has also be provided. /// </remarks> /// <param name="xmp">the iterated metadata object.</param> /// <param name="schemaNS">the iteration is reduced to this schema (optional)</param> /// <param name="propPath">the iteration is redurce to this property within the <code>schemaNS</code></param> /// <param name="options"> /// advanced iteration options, see /// <see cref="Com.Adobe.Xmp.Options.IteratorOptions"/> /// </param> /// <exception cref="Com.Adobe.Xmp.XMPException">If the node defined by the paramters is not existing.</exception> public XMPIteratorImpl(XMPMetaImpl xmp, string schemaNS, string propPath, IteratorOptions options) { // make sure that options is defined at least with defaults this.options = options != null ? options : new IteratorOptions(); // the start node of the iteration depending on the schema and property filter XMPNode startNode = null; string initialPath = null; bool baseSchema = schemaNS != null && schemaNS.Length > 0; bool baseProperty = propPath != null && propPath.Length > 0; if (!baseSchema && !baseProperty) { // complete tree will be iterated startNode = xmp.GetRoot(); } else { if (baseSchema && baseProperty) { // Schema and property node provided XMPPath path = XMPPathParser.ExpandXPath(schemaNS, propPath); // base path is the prop path without the property leaf XMPPath basePath = new XMPPath(); for (int i = 0; i < path.Size() - 1; i++) { basePath.Add(path.GetSegment(i)); } startNode = XMPNodeUtils.FindNode(xmp.GetRoot(), path, false, null); baseNS = schemaNS; initialPath = basePath.ToString(); } else { if (baseSchema && !baseProperty) { // Only Schema provided startNode = XMPNodeUtils.FindSchemaNode(xmp.GetRoot(), schemaNS, false); } else { // !baseSchema && baseProperty // No schema but property provided -> error throw new XMPException("Schema namespace URI is required", XMPErrorConstants.Badschema); } } } // create iterator if (startNode != null) { if (!this.options.IsJustChildren()) { nodeIterator = new XMPIteratorImpl.NodeIterator(this, startNode, initialPath, 1); } else { nodeIterator = new XMPIteratorImpl.NodeIteratorChildren(this, startNode, initialPath); } } else { // create null iterator nodeIterator = Collections.EmptyList().ListIterator(); } }