/// <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);
}
}
}
// EMPTY
/// <summary>
/// Parses the input source into an XMP metadata object, including
/// de-aliasing and normalisation.
/// </summary>
/// <param name="input">
/// the input can be an <code>InputStream</code>, a <code>String</code> or
/// a byte buffer containing the XMP packet.
/// </param>
/// <param name="options">the parse options</param>
/// <returns>Returns the resulting XMP metadata object</returns>
/// <exception cref="Com.Adobe.Xmp.XMPException">Thrown if parsing or normalisation fails.</exception>
public static XMPMeta Parse(object input, ParseOptions options)
{
ParameterAsserts.AssertNotNull(input);
options = options != null ? options : new ParseOptions();
XmlDocument document = ParseXml(input, options);
bool xmpmetaRequired = options.GetRequireXMPMeta();
object[] result = new object[3];
result = FindRootNode(document, xmpmetaRequired, result);
if (result != null && result[1] == XmpRdf)
{
XMPMetaImpl xmp = ParseRDF.Parse((XmlNode)result[0]);
xmp.SetPacketHeader((string)result[2]);
// Check if the XMP object shall be normalized
if (!options.GetOmitNormalization())
{
return(XMPNormalizer.Process(xmp, options));
}
else
{
return(xmp);
}
}
else
{
// no appropriate root node found, return empty metadata object
return(new XMPMetaImpl());
}
}
// 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>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);
}
}
// ---------------------------------------------------------------------------------------------
// Namespace Functions
/// <seealso cref="Com.Adobe.Xmp.XMPSchemaRegistry.RegisterNamespace(string, string)"/>
/// <exception cref="Com.Adobe.Xmp.XMPException"/>
public string RegisterNamespace(string namespaceURI, string suggestedPrefix)
{
lock (this)
{
ParameterAsserts.AssertSchemaNS(namespaceURI);
ParameterAsserts.AssertPrefix(suggestedPrefix);
if (suggestedPrefix[suggestedPrefix.Length - 1] != ':')
{
suggestedPrefix += ':';
}
if (!Utils.IsXMLNameNS(Sharpen.Runtime.Substring(suggestedPrefix, 0, suggestedPrefix.Length - 1)))
{
throw new XMPException("The prefix is a bad XML name", XMPErrorConstants.Badxml);
}
string registeredPrefix = (string)namespaceToPrefixMap.Get(namespaceURI);
string registeredNS = (string)prefixToNamespaceMap.Get(suggestedPrefix);
if (registeredPrefix != null)
{
// Return the actual prefix
return(registeredPrefix);
}
else
{
if (registeredNS != null)
{
// the namespace is new, but the prefix is already engaged,
// we generate a new prefix out of the suggested
string generatedPrefix = suggestedPrefix;
for (int i = 1; prefixToNamespaceMap.ContainsKey(generatedPrefix); i++)
{
generatedPrefix = Sharpen.Runtime.Substring(suggestedPrefix, 0, suggestedPrefix.Length - 1) + "_" + i + "_:";
}
suggestedPrefix = generatedPrefix;
}
prefixToNamespaceMap.Put(suggestedPrefix, namespaceURI);
namespaceToPrefixMap.Put(namespaceURI, suggestedPrefix);
// Return the suggested prefix
return(suggestedPrefix);
}
}
}
/// <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>
/// see
/// <see cref="Com.Adobe.Xmp.XMPUtils.SeparateArrayItems(Com.Adobe.Xmp.XMPMeta, string, string, string, Com.Adobe.Xmp.Options.PropertyOptions, bool)"/>
/// </summary>
/// <param name="xmp">The XMP object containing the array to be updated.</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="catedStr">The string to be separated into the array items.</param>
/// <param name="arrayOptions">Option flags to control the separation.</param>
/// <param name="preserveCommas">Flag if commas shall be preserved</param>
/// <exception cref="Com.Adobe.Xmp.XMPException">Forwards the Exceptions from the metadata processing</exception>
public static void SeparateArrayItems(XMPMeta xmp, string schemaNS, string arrayName, string catedStr, PropertyOptions arrayOptions, bool preserveCommas)
{
ParameterAsserts.AssertSchemaNS(schemaNS);
ParameterAsserts.AssertArrayName(arrayName);
if (catedStr == null)
{
throw new XMPException("Parameter must not be null", XMPErrorConstants.Badparam);
}
ParameterAsserts.AssertImplementation(xmp);
XMPMetaImpl xmpImpl = (XMPMetaImpl)xmp;
// Keep a zero value, has special meaning below.
XMPNode arrayNode = SeparateFindCreateArray(schemaNS, arrayName, arrayOptions, xmpImpl);
// Extract the item values one at a time, until the whole input string is done.
string itemValue;
int itemStart;
int itemEnd;
int nextKind = UckNormal;
int charKind = UckNormal;
char ch = (char)0;
char nextChar = (char)0;
itemEnd = 0;
int endPos = catedStr.Length;
while (itemEnd < endPos)
{
// Skip any leading spaces and separation characters. Always skip commas here.
// They can be kept when within a value, but not when alone between values.
for (itemStart = itemEnd; itemStart < endPos; itemStart++)
{
ch = catedStr[itemStart];
charKind = ClassifyCharacter(ch);
if (charKind == UckNormal || charKind == UckQuote)
{
break;
}
}
if (itemStart >= endPos)
{
break;
}
if (charKind != UckQuote)
{
// This is not a quoted value. Scan for the end, create an array
// item from the substring.
for (itemEnd = itemStart; itemEnd < endPos; itemEnd++)
{
ch = catedStr[itemEnd];
charKind = ClassifyCharacter(ch);
if (charKind == UckNormal || charKind == UckQuote || (charKind == UckComma && preserveCommas))
{
continue;
}
else
{
if (charKind != UckSpace)
{
break;
}
else
{
if ((itemEnd + 1) < endPos)
{
ch = catedStr[itemEnd + 1];
nextKind = ClassifyCharacter(ch);
if (nextKind == UckNormal || nextKind == UckQuote || (nextKind == UckComma && preserveCommas))
{
continue;
}
}
}
}
// Anything left?
break;
}
// Have multiple spaces, or a space followed by a
// separator.
itemValue = Sharpen.Runtime.Substring(catedStr, itemStart, itemEnd);
}
else
{
// Accumulate quoted values into a local string, undoubling
// internal quotes that
// match the surrounding quotes. Do not undouble "unmatching"
// quotes.
char openQuote = ch;
char closeQuote = GetClosingQuote(openQuote);
itemStart++;
// Skip the opening quote;
itemValue = string.Empty;
for (itemEnd = itemStart; itemEnd < endPos; itemEnd++)
{
ch = catedStr[itemEnd];
charKind = ClassifyCharacter(ch);
if (charKind != UckQuote || !IsSurroundingQuote(ch, openQuote, closeQuote))
{
// This is not a matching quote, just append it to the
// item value.
itemValue += ch;
}
else
{
// This is a "matching" quote. Is it doubled, or the
// final closing quote?
// Tolerate various edge cases like undoubled opening
// (non-closing) quotes,
// or end of input.
if ((itemEnd + 1) < endPos)
{
nextChar = catedStr[itemEnd + 1];
nextKind = ClassifyCharacter(nextChar);
}
else
{
nextKind = UckSemicolon;
nextChar = (char)unchecked ((int)(0x3B));
}
if (ch == nextChar)
{
// This is doubled, copy it and skip the double.
itemValue += ch;
// Loop will add in charSize.
itemEnd++;
}
else
{
if (!IsClosingingQuote(ch, openQuote, closeQuote))
{
// This is an undoubled, non-closing quote, copy it.
itemValue += ch;
}
else
{
// This is an undoubled closing quote, skip it and
// exit the loop.
itemEnd++;
break;
}
}
}
}
}
// Add the separated item to the array.
// Keep a matching old value in case it had separators.
int foundIndex = -1;
for (int oldChild = 1; oldChild <= arrayNode.GetChildrenLength(); oldChild++)
{
if (itemValue.Equals(arrayNode.GetChild(oldChild).GetValue()))
{
foundIndex = oldChild;
break;
}
}
XMPNode newItem = null;
if (foundIndex < 0)
{
newItem = new XMPNode(XMPConstConstants.ArrayItemName, itemValue, null);
arrayNode.AddChild(newItem);
}
}
}
