/// <summary>
/// Opens the specified file and creates a editable document
/// </summary>
public DockContent OpenEditableDocument(String org, Encoding encoding, Boolean restorePosition)
{
DockContent createdDoc;
EncodingFileInfo info = new EncodingFileInfo();
String file = PathHelper.GetPhysicalPathName(org);
TextEvent te = new TextEvent(EventType.FileOpening, file);
EventManager.DispatchEvent(this, te);
if (te.Handled)
{
if (this.Documents.Length == 0)
{
this.New(null, null);
return null;
}
else return null;
}
else if (file.EndsWith(".fdz"))
{
this.CallCommand("ExtractZip", file);
return null;
}
try
{
Int32 count = this.Documents.Length;
for (Int32 i = 0; i < count; i++)
{
if (this.Documents[i].IsEditable && this.Documents[i].FileName.ToUpper() == file.ToUpper())
{
this.Documents[i].Activate();
return null;
}
}
}
catch {}
if (encoding == null)
{
info = FileHelper.GetEncodingFileInfo(file);
if (info.CodePage == -1) return null; // If the file is locked, stop.
}
else
{
info = FileHelper.GetEncodingFileInfo(file);
info.Contents = FileHelper.ReadFile(file, encoding);
info.CodePage = encoding.CodePage;
}
DataEvent de = new DataEvent(EventType.FileDecode, file, null);
EventManager.DispatchEvent(this, de); // Lets ask if a plugin wants to decode the data..
if (de.Handled)
{
info.Contents = de.Data as String;
info.CodePage = Encoding.UTF8.CodePage; // assume plugin always return UTF8
}
try
{
if (this.CurrentDocument != null && this.CurrentDocument.IsUntitled && !this.CurrentDocument.IsModified && this.Documents.Length == 1)
{
this.closingForOpenFile = true;
this.CurrentDocument.Close();
this.closingForOpenFile = false;
createdDoc = this.CreateEditableDocument(file, info.Contents, info.CodePage);
}
else createdDoc = this.CreateEditableDocument(file, info.Contents, info.CodePage);
ButtonManager.AddNewReopenMenuItem(file);
}
catch
{
createdDoc = this.CreateEditableDocument(file, info.Contents, info.CodePage);
ButtonManager.AddNewReopenMenuItem(file);
}
TabbedDocument document = (TabbedDocument)createdDoc;
document.SciControl.SaveBOM = info.ContainsBOM;
document.SciControl.BeginInvoke((MethodInvoker)delegate
{
if (this.appSettings.RestoreFileStates)
{
FileStateManager.ApplyFileState(document, restorePosition);
}
});
ButtonManager.UpdateFlaggedButtons();
return createdDoc;
}
/// <summary>
/// Acquires encoding related info on one read.
/// </summary>
public static EncodingFileInfo GetEncodingFileInfo(String file)
{
Int32 startIndex = 0;
EncodingFileInfo info = new EncodingFileInfo();
try
{
if (File.Exists(file))
{
Byte[] bytes = File.ReadAllBytes(file);
if (bytes.Length > 2 && (bytes[0] == 0xef && bytes[1] == 0xbb && bytes[2] == 0xbf))
{
startIndex = 3;
info.ContainsBOM = true;
info.CodePage = Encoding.UTF8.CodePage;
}
else if (bytes.Length > 3 && (bytes[0] == 0xff && bytes[1] == 0xfe && bytes[2] == 0x00 && bytes[3] == 0x00))
{
startIndex = 4;
info.ContainsBOM = true;
info.CodePage = Encoding.UTF32.CodePage;
}
else if (bytes.Length > 4 && ((bytes[0] == 0x2b && bytes[1] == 0x2f && bytes[2] == 0x76) && (bytes[3] == 0x38 || bytes[3] == 0x39 || bytes[3] == 0x2b || bytes[3] == 0x2f) && bytes[4] == 0x2D))
{
startIndex = 5;
info.ContainsBOM = true;
info.CodePage = Encoding.UTF7.CodePage;
}
else if (bytes.Length > 3 && ((bytes[0] == 0x2b && bytes[1] == 0x2f && bytes[2] == 0x76) && (bytes[3] == 0x38 || bytes[3] == 0x39 || bytes[3] == 0x2b || bytes[3] == 0x2f)))
{
startIndex = 4;
info.ContainsBOM = true;
info.CodePage = Encoding.UTF7.CodePage;
}
else if (bytes.Length > 1 && (bytes[0] == 0xff && bytes[1] == 0xfe))
{
startIndex = 2;
info.ContainsBOM = true;
info.CodePage = Encoding.Unicode.CodePage;
}
else if (bytes.Length > 1 && (bytes[0] == 0xfe && bytes[1] == 0xff))
{
startIndex = 2;
info.ContainsBOM = true;
info.CodePage = Encoding.BigEndianUnicode.CodePage;
}
else
{
if (!ContainsInvalidUTF8Bytes(bytes)) info.CodePage = Encoding.UTF8.CodePage;
else info.CodePage = Encoding.Default.CodePage;
}
Int32 contentLength = bytes.Length - startIndex;
if (bytes.Length > 0 && bytes.Length > startIndex)
{
Encoding encoding = Encoding.GetEncoding(info.CodePage);
info.Contents = encoding.GetString(bytes, startIndex, contentLength);
}
}
}
catch (Exception)
{
info = new EncodingFileInfo();
}
return info;
}
/// <summary>
/// Reads the file and returns its contents (autodetects encoding and fallback codepage)
/// </summary>
public static String ReadFile(String file)
{
EncodingFileInfo info = GetEncodingFileInfo(file);
return(info.Contents);
}
/// <summary>
/// Acquires encoding related info on one read.
/// </summary>
public static EncodingFileInfo GetEncodingFileInfo(String file)
{
Int32 startIndex = 0;
EncodingFileInfo info = new EncodingFileInfo();
try
{
if (File.Exists(file))
{
Byte[] bytes = File.ReadAllBytes(file);
if (bytes.Length > 2 && (bytes[0] == 0xef && bytes[1] == 0xbb && bytes[2] == 0xbf))
{
startIndex = 3;
info.BomLength = 3;
info.ContainsBOM = true;
info.CodePage = Encoding.UTF8.CodePage;
}
else if (bytes.Length > 3 && (bytes[0] == 0xff && bytes[1] == 0xfe && bytes[2] == 0x00 && bytes[3] == 0x00))
{
startIndex = 4;
info.BomLength = 4;
info.ContainsBOM = true;
info.CodePage = Encoding.UTF32.CodePage;
}
else if (bytes.Length > 4 && ((bytes[0] == 0x2b && bytes[1] == 0x2f && bytes[2] == 0x76) && (bytes[3] == 0x38 || bytes[3] == 0x39 || bytes[3] == 0x2b || bytes[3] == 0x2f) && bytes[4] == 0x2D))
{
startIndex = 5;
info.BomLength = 5;
info.ContainsBOM = true;
info.CodePage = Encoding.UTF7.CodePage;
}
else if (bytes.Length > 3 && ((bytes[0] == 0x2b && bytes[1] == 0x2f && bytes[2] == 0x76) && (bytes[3] == 0x38 || bytes[3] == 0x39 || bytes[3] == 0x2b || bytes[3] == 0x2f)))
{
startIndex = 4;
info.BomLength = 4;
info.ContainsBOM = true;
info.CodePage = Encoding.UTF7.CodePage;
}
else if (bytes.Length > 1 && (bytes[0] == 0xff && bytes[1] == 0xfe))
{
startIndex = 2;
info.BomLength = 2;
info.ContainsBOM = true;
info.CodePage = Encoding.Unicode.CodePage;
}
else if (bytes.Length > 1 && (bytes[0] == 0xfe && bytes[1] == 0xff))
{
startIndex = 2;
info.BomLength = 2;
info.ContainsBOM = true;
info.CodePage = Encoding.BigEndianUnicode.CodePage;
}
else
{
if (!ContainsInvalidUTF8Bytes(bytes))
{
info.CodePage = Encoding.UTF8.CodePage;
}
else
{
info.CodePage = Encoding.Default.CodePage;
}
}
Int32 contentLength = bytes.Length - startIndex;
if (bytes.Length > 0 && bytes.Length > startIndex)
{
Encoding encoding = Encoding.GetEncoding(info.CodePage);
info.Contents = encoding.GetString(bytes, startIndex, contentLength);
}
}
}
catch (Exception)
{
info = new EncodingFileInfo();
}
return(info);
}
/// <summary>
/// Checks if the file contains BOM
/// </summary>
public static Boolean ContainsBOM(String file)
{
EncodingFileInfo info = GetEncodingFileInfo(file);
return(info.ContainsBOM);
}
/// <summary>
/// Reads the file codepage from the file data
/// </summary>
public static Int32 GetFileCodepage(String file)
{
EncodingFileInfo info = GetEncodingFileInfo(file);
return(info.CodePage);
}
/// <summary>
/// Acquires encoding related info on one read.
/// </summary>
public static EncodingFileInfo GetEncodingFileInfo(String file)
{
Int32 startIndex = 0;
EncodingFileInfo info = new EncodingFileInfo();
try
{
if (File.Exists(file))
{
Byte[] bytes = File.ReadAllBytes(file);
if (bytes.Length > 2 && (bytes[0] == 0xef && bytes[1] == 0xbb && bytes[2] == 0xbf))
{
startIndex = 3;
info.BomLength = 3;
info.ContainsBOM = true;
info.Charset = Encoding.UTF8.WebName;
info.CodePage = Encoding.UTF8.CodePage;
}
else if (bytes.Length > 3 && (bytes[0] == 0xff && bytes[1] == 0xfe && bytes[2] == 0x00 && bytes[3] == 0x00))
{
startIndex = 4;
info.BomLength = 4;
info.ContainsBOM = true;
info.Charset = Encoding.UTF32.WebName;
info.CodePage = Encoding.UTF32.CodePage;
}
else if (bytes.Length > 4 && ((bytes[0] == 0x2b && bytes[1] == 0x2f && bytes[2] == 0x76) && (bytes[3] == 0x38 || bytes[3] == 0x39 || bytes[3] == 0x2b || bytes[3] == 0x2f) && bytes[4] == 0x2D))
{
startIndex = 5;
info.BomLength = 5;
info.ContainsBOM = true;
info.Charset = Encoding.UTF7.WebName;
info.CodePage = Encoding.UTF7.CodePage;
}
else if (bytes.Length > 3 && ((bytes[0] == 0x2b && bytes[1] == 0x2f && bytes[2] == 0x76) && (bytes[3] == 0x38 || bytes[3] == 0x39 || bytes[3] == 0x2b || bytes[3] == 0x2f)))
{
startIndex = 4;
info.BomLength = 4;
info.ContainsBOM = true;
info.Charset = Encoding.UTF7.WebName;
info.CodePage = Encoding.UTF7.CodePage;
}
else if (bytes.Length > 1 && (bytes[0] == 0xff && bytes[1] == 0xfe))
{
startIndex = 2;
info.BomLength = 2;
info.ContainsBOM = true;
info.Charset = Encoding.Unicode.WebName;
info.CodePage = Encoding.Unicode.CodePage;
}
else if (bytes.Length > 1 && (bytes[0] == 0xfe && bytes[1] == 0xff))
{
startIndex = 2;
info.BomLength = 2;
info.ContainsBOM = true;
info.Charset = Encoding.BigEndianUnicode.WebName;
info.CodePage = Encoding.BigEndianUnicode.CodePage;
}
else
{
if (!ContainsInvalidUTF8Bytes(bytes))
{
info.Charset = Encoding.UTF8.WebName;
info.CodePage = Encoding.UTF8.CodePage;
}
else // Try detecting using Ude...
{
Ude.CharsetDetector detector = new Ude.CharsetDetector();
detector.Feed(bytes, 0, bytes.Length); detector.DataEnd();
if (detector.Charset != null)
{
Encoding encoding = Encoding.GetEncoding(detector.Charset);
info.Charset = encoding.WebName;
info.CodePage = encoding.CodePage;
}
else
{
info.Charset = Encoding.Default.WebName;
info.CodePage = Encoding.Default.CodePage;
}
}
}
Int32 contentLength = bytes.Length - startIndex;
if (bytes.Length > 0 && bytes.Length > startIndex)
{
Encoding encoding = Encoding.GetEncoding(info.CodePage);
info.Contents = encoding.GetString(bytes, startIndex, contentLength);
}
}
}
catch (Exception)
{
info = new EncodingFileInfo();
}
return info;
}
