/// <summary>
/// Loads the file as data from XML data
/// </summary>
/// <param name="fileDocument">XML document containing the file</param>
/// <param name="loadHeaderOnly">if true loads only header information</param>
public void Load(XDocument fileDocument,bool loadHeaderOnly)
{
if (fileDocument == null)
{
throw new ArgumentNullException("fileDocument");
}
if (fileDocument.Root == null)
{
throw new ArgumentException("Document's root is NULL (empty document passed)");
}
// theoretically the namespace should be "http://www.gribuser.ru/xml/fictionbook/2.0" but just to be sure with invalid files
_fileNameSpace = fileDocument.Root.GetDefaultNamespace();
_styles.Clear();
IEnumerable<XElement> xStyles = fileDocument.Elements(_fileNameSpace + StyleElement.StyleElementName).ToArray();
// attempt to load some bad FB2 with wrong namespace
if (!xStyles.Any())
{
xStyles = fileDocument.Elements(StyleElement.StyleElementName);
}
foreach (var style in xStyles)
{
var element = new StyleElement();
try
{
element.Load(style);
_styles.Add(element);
}
catch
{
// ignored
}
}
LoadDescriptionSection(fileDocument);
if (!loadHeaderOnly)
{
XNamespace namespaceUsed = _fileNameSpace;
// Load body elements (first is main text)
if (fileDocument.Root != null)
{
IEnumerable<XElement> xBodys = fileDocument.Root.Elements(_fileNameSpace + Fb2TextBodyElementName).ToArray();
// try to read some badly formatted FB2 files
if (!xBodys.Any())
{
namespaceUsed = "";
xBodys = fileDocument.Root.Elements(namespaceUsed + Fb2TextBodyElementName);
}
foreach (var body in xBodys)
{
var bodyItem = new BodyItem() { NameSpace = namespaceUsed };
try
{
bodyItem.Load(body);
}
catch (Exception)
{
continue;
}
_bodiesList.Add(bodyItem);
}
}
if (_bodiesList.Count > 0)
{
_mainBody = _bodiesList[0];
}
// Load binaries sections (currently images only)
if (fileDocument.Root != null)
{
IEnumerable<XElement> xBinaryes = fileDocument.Root.Elements(namespaceUsed + Fb2BinaryElementName).ToArray();
if (!xBinaryes.Any())
{
xBinaryes = fileDocument.Root.Elements(Fb2BinaryElementName);
}
foreach (var binarye in xBinaryes)
{
var item = new BinaryItem();
try
{
item.Load(binarye);
}
catch
{
continue;
}
// add just unique IDs to fix some invalid FB2s
if (!_binaryObjects.ContainsKey(item.Id))
{
_binaryObjects.Add(item.Id, item);
}
}
}
}
}
