/// <summary>
/// Extracts the zip.
/// </summary>
/// <param name="zipStream">zip stream</param>
/// <returns>Instance of MemoryFolder</returns>
public static MemoryFolder ExtractZip(Stream zipStream)
{
if ((zipStream == null) || !zipStream.CanRead)
{
return(null);
}
MemoryFolder folder = new MemoryFolder();
ZipArchive archive = new ZipArchive(zipStream);
foreach (ZipArchiveEntry entry in archive.Entries)
{
string fullName = entry.FullName;
using (Stream stream = entry.Open())
{
MemoryStream stream2 = new MemoryStream();
int count = 0x800;
byte[] buffer = new byte[count];
while (true)
{
count = stream.Read(buffer, 0, buffer.Length);
if (count <= 0)
{
break;
}
stream2.Write(buffer, 0, count);
}
stream2.Seek(0L, (SeekOrigin)SeekOrigin.Begin);
folder.CreateMemoryFile(fullName, (Stream)stream2);
}
}
return(folder);
}
public void LoadPackageRelationFiles(MemoryFolder mFolder)
{
if (mFolder != null)
{
List <Dt.Xls.OOXml.Relationship> relationshipsByBaseName = GetRelationshipsByBaseName(this.FileName, mFolder);
if (relationshipsByBaseName != null)
{
foreach (Dt.Xls.OOXml.Relationship relationship in relationshipsByBaseName)
{
string target = relationship.Target;
if ((target.IndexOf('/') != 0) && !IsAbsolutePath(target))
{
target = (((this.FileName == null) || (this.FileName.Length == 0)) ? "" : (Path.GetDirectoryName(this.FileName) + @"\")) + target;
}
target = FixFileName(target);
XFile file = new XFile(target, relationship.Type)
{
Relationship = relationship
};
if (!IsAbsolutePath(target))
{
file.LoadPackageRelationFiles(mFolder);
}
if (this.RelationFiles.ContainsKey(relationship.Id))
{
this.RelationFiles[relationship.Id] = file;
}
else
{
this.RelationFiles.Add(relationship.Id, file);
}
}
}
}
}
/// <summary>
/// Compresses the files.
/// </summary>
/// <param name="mFolder">m folder</param>
/// <param name="targetStream">target stream</param>
/// <returns>successful or not</returns>
public static bool CompressFiles(MemoryFolder mFolder, Stream targetStream)
{
if (((mFolder == null) || (mFolder.disk == null)) || ((targetStream == null) || !targetStream.CanWrite))
{
return(false);
}
ZipArchive zipOutputStream = GetZipOutputStream(targetStream);
if (zipOutputStream == null)
{
return(false);
}
using (zipOutputStream)
{
foreach (string str in mFolder.disk.Keys)
{
Stream file = mFolder.GetFile(str);
if (file != null)
{
CompressFile(zipOutputStream, str.Replace('\\', '/'), file);
}
else
{
zipOutputStream.CreateEntry(str.Replace('\\', '/'));
}
}
}
return(true);
}
public static void SaveContentTypes(XFile file, MemoryFolder mFolder, ExcelFileType workbookType)
{
CT_Types types = GetContentTypes(file, mFolder, workbookType);
if (types != null)
{
mFolder.CreateMemoryFile("[Content_Types].xml", CreateStreamFromObject(types, typeof(CT_Types)));
}
}
private static bool UpdateFileList(List <object> types, XFile xFile, MemoryFolder mFolder, ExcelFileType workbookType)
{
if (((types == null) || (xFile == null)) || (mFolder == null))
{
return(false);
}
bool flag = true;
if (!string.IsNullOrEmpty(xFile.FileName))
{
string str = ConvertRelationshipType2ContentType(xFile.FileType, workbookType);
if (!string.IsNullOrEmpty(str))
{
CT_Override @override = new CT_Override {
PartName = xFile.FileName.Replace('\\', '/'),
ContentType = str
};
if (new List <string> {
"application/vnd.openxmlformats-officedocument.spreadsheetml.comments+xml", "application/vnd.openxmlformats-officedocument.drawingml.diagramColors+xml", "application/vnd.openxmlformats-officedocument.drawingml.diagramData+xml", "application/vnd.ms-office.drawingml.diagramDrawing+xml", "application/vnd.openxmlformats-officedocument.drawingml.diagramLayout+xml", "application/vnd.openxmlformats-officedocument.drawingml.diagramStyle+xml", "application/vnd.ms-excel.controlproperties+xml", "application/vnd.openxmlformats-officedocument.vmlDrawing"
}.Contains(@override.ContentType))
{
@override.PartName = xFile.Target.Replace("..", "/xl");
}
bool flag2 = false;
foreach (object obj2 in types)
{
if (obj2 is CT_Override)
{
CT_Override override2 = obj2 as CT_Override;
if ((override2.ContentType == @override.ContentType) && (override2.PartName == @override.PartName))
{
flag2 = true;
break;
}
}
}
if (!flag2)
{
types.Add(@override);
}
}
}
if ((xFile.RelationFiles != null) && (xFile.RelationFiles.Count > 0))
{
foreach (XFile file in xFile.RelationFiles.Values)
{
if (file != null)
{
flag = flag && UpdateFileList(types, file, mFolder, workbookType);
}
}
}
return(flag);
}
/// <summary>
/// Clones this instance.
/// </summary>
/// <returns>Returns the cloned memory folder.</returns>
public MemoryFolder Clone()
{
MemoryFolder folder = new MemoryFolder {
disk = new Dictionary <string, Stream>()
};
foreach (string str in this.disk.Keys)
{
folder.disk.Add(str, this.disk[str]);
}
folder._currentPath = this._currentPath;
return(folder);
}
public static CT_Types GetContentTypes(XFile rootFile, MemoryFolder mFolder, ExcelFileType workbookType)
{
if (((rootFile == null) || (rootFile.RelationFiles == null)) || ((rootFile.RelationFiles.Count == 0) || (mFolder == null)))
{
return(null);
}
List <object> defaultType = GetDefaultType();
if (defaultType == null)
{
return(null);
}
if (!UpdateFileList(defaultType, rootFile, mFolder, workbookType))
{
return(null);
}
return(new CT_Types {
Items = defaultType.ToArray()
});
}
private static void SavePackageRelationFiles(XFile xFile, MemoryFolder mFolder)
{
if (((xFile != null) && (xFile.RelationFiles != null)) && ((xFile.RelationFiles.Count != 0) && (mFolder != null)))
{
string str = string.IsNullOrEmpty(xFile.FileName) ? "" : Path.GetDirectoryName(xFile.FileName);
string str2 = string.IsNullOrEmpty(xFile.FileName) ? "" : Path.GetFileName(xFile.FileName);
Dictionary <string, string[]> htRelationShip = new Dictionary <string, string[]>();
foreach (string str3 in xFile.RelationFiles.Keys)
{
XFile file = xFile.RelationFiles[str3];
if (file != null)
{
string[] strArray = new string[2];
if (!string.IsNullOrWhiteSpace(file.Target))
{
strArray[0] = file.Target;
}
else
{
strArray[0] = file.FileName.Replace('\\', '/');
}
strArray[1] = file.FileType;
if (htRelationShip.ContainsKey(str3))
{
htRelationShip[str3] = strArray;
}
else
{
htRelationShip.Add(str3, strArray);
}
}
SavePackageRelationFiles(file, mFolder);
}
CT_Relationships relationships = ToRelationships(htRelationShip);
if (relationships != null)
{
mFolder.CreateMemoryFile(str + @"\_rels\" + str2 + ".rels", PackageXml.CreateStreamFromObject(relationships, typeof(CT_Relationships)));
}
}
}
public void SavePackageRelationFiles(MemoryFolder mFolder)
{
SavePackageRelationFiles(this, mFolder);
}
public static List <Dt.Xls.OOXml.Relationship> GetRelationshipsByBaseName(string baseName, MemoryFolder mFolder)
{
if ((baseName == null) || (mFolder == null))
{
return(null);
}
string relationshipsNameByBaseName = GetRelationshipsNameByBaseName(baseName);
if (relationshipsNameByBaseName == null)
{
return(null);
}
return(ReadRelationships(mFolder.GetFile(relationshipsNameByBaseName)));
}
public static void WriteWorkbookFile(XFile workbookFile, List <SheetInfo> sheets, MemoryFolder mFolder)
{
MemoryStream stream = new MemoryStream();
new XmlWriterSettings().Encoding = Encoding.UTF8;
XmlWriter writer = XmlWriter.Create((Stream)stream, new XmlWriterSettings());
writer.WriteStartDocument();
writer.WriteStartElement("workbook", "http://schemas.openxmlformats.org/spreadsheetml/2006/main");
writer.WriteAttributeString("xmlns", "r", null, "http://schemas.openxmlformats.org/officeDocument/2006/relationships");
writer.WriteStartElement("sheets");
foreach (SheetInfo info in sheets)
{
writer.WriteStartElement("sheet");
writer.WriteAttributeString("name", info.name);
writer.WriteAttributeString("sheetId", ((uint)info.sheetID).ToString());
writer.WriteAttributeString("r", "id", "http://schemas.openxmlformats.org/officeDocument/2006/relationships", info.rID);
writer.WriteEndElement();
}
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteEndDocument();
writer.Flush();
stream.Seek(0L, (SeekOrigin)SeekOrigin.Begin);
mFolder.CreateMemoryFile(workbookFile.FileName, (Stream)stream);
}
