public static OpenXmlPowerToolsDocument FromFileName(string fileName)
{
var bytes = File.ReadAllBytes(fileName);
Type type;
try
{
type = GetDocumentType(bytes);
}
catch (FileFormatException)
{
throw new PowerToolsDocumentException("Not an Open XML document.");
}
if (type == typeof(WordprocessingDocument))
{
return(new WmlDocument(fileName, bytes));
}
if (type == typeof(SpreadsheetDocument))
{
return(new SmlDocument(fileName, bytes));
}
if (type == typeof(PresentationDocument))
{
return(new PmlDocument(fileName, bytes));
}
if (type == typeof(Package))
{
var pkg = new OpenXmlPowerToolsDocument(bytes);
pkg.FileName = fileName;
return(pkg);
}
throw new PowerToolsDocumentException("Not an Open XML document.");
}
public PmlDocument(OpenXmlPowerToolsDocument original)
: base(original)
{
if (GetDocumentType() != typeof(PresentationDocument))
{
throw new PowerToolsDocumentException("Not a Presentation document.");
}
}
public SmlDocument(OpenXmlPowerToolsDocument original)
: base(original)
{
if (GetDocumentType() != typeof(SpreadsheetDocument))
{
throw new PowerToolsDocumentException("Not a Spreadsheet document.");
}
}
public WmlDocument(OpenXmlPowerToolsDocument original)
: base(original)
{
if (GetDocumentType() != typeof(WordprocessingDocument))
{
throw new PowerToolsDocumentException("Not a Wordprocessing document.");
}
}
public OpenXmlMemoryStreamDocument(OpenXmlPowerToolsDocument doc)
{
Document = doc;
DocMemoryStream = new MemoryStream();
doc.WriteByteArray(DocMemoryStream);
try
{
DocPackage = Package.Open(DocMemoryStream, FileMode.Open);
}
catch (Exception)
{
throw new PowerToolsDocumentException("Not an Open XML document.");
}
}
public static OpenXmlPowerToolsDocument FromDocument(OpenXmlPowerToolsDocument doc)
{
var type = doc.GetDocumentType();
if (type == typeof(WordprocessingDocument))
{
return(new WmlDocument(doc));
}
if (type == typeof(SpreadsheetDocument))
{
return(new SmlDocument(doc));
}
if (type == typeof(PresentationDocument))
{
return(new PmlDocument(doc));
}
return(null); // This should not be possible from a valid OpenXmlPowerToolsDocument object
}
public OpenXmlPowerToolsDocument(OpenXmlPowerToolsDocument original)
{
DocumentByteArray = new byte[original.DocumentByteArray.Length];
Array.Copy(original.DocumentByteArray, DocumentByteArray, original.DocumentByteArray.Length);
FileName = original.FileName;
}
