/**
* <summary>Creates a new reference to an embedded file.</summary>
* <param name="embeddedFile">Embedded file corresponding to the reference.</param>
* <param name="filename">Name corresponding to the reference.</param>
*/
public static FullFileSpecification Get(
EmbeddedFile embeddedFile,
string filename
)
{
return(new FullFileSpecification(embeddedFile, filename));
}
internal FullFileSpecification(
EmbeddedFile embeddedFile,
string filename
) : this(embeddedFile.Document, filename)
{
EmbeddedFile = embeddedFile;
}
public void Add(
string key,
EmbeddedFile value
)
{
PdfArray itemPairs = BaseDataObject;
// New entry.
itemPairs.Add(new PdfTextString(key));
itemPairs.Add(value.BaseObject);
}
/**
* <summary>Gets the embedded file associated to the given key.</summary>
*/
private EmbeddedFile GetEmbeddedFile(
PdfName key
)
{
PdfDictionary embeddedFilesObject = (PdfDictionary)BaseDictionary[PdfName.EF];
if (embeddedFilesObject == null)
{
return(null);
}
return(EmbeddedFile.Wrap(embeddedFilesObject[key]));
}
/**
* <see cref="GetEmbeddedFile(PdfName)"/>
*/
private void SetEmbeddedFile(
PdfName key,
EmbeddedFile value
)
{
PdfDictionary embeddedFilesObject = (PdfDictionary)BaseDictionary[PdfName.EF];
if (embeddedFilesObject == null)
{
BaseDictionary[PdfName.EF] = embeddedFilesObject = new PdfDictionary();
}
embeddedFilesObject[key] = value.BaseObject;
}
public bool TryGetValue(
string key,
out EmbeddedFile value
)
{
value = this[key];
if (value == null)
{
return(ContainsKey(key));
}
else
{
return(true);
}
}
IEnumerator <KeyValuePair <string, EmbeddedFile> > IEnumerable <KeyValuePair <string, EmbeddedFile> > .GetEnumerator(
)
{
PdfArray itemPairs = BaseDataObject;
for (
int index = 0,
length = itemPairs.Count;
index < length;
index += 2
)
{
yield return(new KeyValuePair <string, EmbeddedFile>(
(string)((PdfTextString)itemPairs[index]).Value,
EmbeddedFile.Wrap(itemPairs[index + 1])
));
}
}
public EmbeddedFile this[
string key
]
{
get
{
PdfArray itemPairs = BaseDataObject;
for (
int index = 0,
length = itemPairs.Count;
index < length;
index += 2
)
{
if (((PdfTextString)itemPairs[index]).Value.Equals(key))
{
return(EmbeddedFile.Wrap(itemPairs[index + 1]));
}
}
return(null);
}
set
{
PdfArray itemPairs = BaseDataObject;
for (
int index = 0,
length = itemPairs.Count;
index < length;
index += 2
)
{
// Already existing entry?
if (((PdfTextString)itemPairs[index]).Value.Equals(key))
{
itemPairs[index + 1] = value.BaseObject;
return;
}
}
// New entry.
itemPairs.Add(new PdfTextString(key));
itemPairs.Add(value.BaseObject);
}
}
