public EdifactWriter(Stream stream, Encoding encoding, EdifactCharacterSet edifactCharacterSet, char replacementCharacter, bool normalize = true)
: base(stream, encoding)
{
this._fallbackChar = replacementCharacter;
this._edifactCharacterSet = edifactCharacterSet;
this._normalize = normalize;
}
public EdifactWriter(Stream stream, Encoding encoding, EdifactCharacterSet edifactCharacterSet, char replacementCharacter, bool normalize = true)
: base(stream, encoding)
{
this._fallbackChar = replacementCharacter;
this._edifactCharacterSet = edifactCharacterSet;
this._normalize = normalize;
}
public EdifactReader(Stream stream, Encoding encoding, EdifactCharacterSet charSet, char fallbackChar, bool normalize = true, bool removeControlChars = false)
: base(stream, encoding)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (!stream.CanSeek)
{
throw new ArgumentNullException("stream");
}
this._removeControlChars = removeControlChars;
this._fallbackChar = fallbackChar;
this._charSet = charSet;
this._normalize = normalize;
EdifactCharacterSet messageCharSet;
if (TryReadEdiCharacterSet(stream, out messageCharSet, encoding))
{
this._charSet = messageCharSet;
}
}
internal static string ToSerializedValue(this EdifactCharacterSet value)
{
switch (value)
{
case EdifactCharacterSet.NotSpecified:
return("NotSpecified");
case EdifactCharacterSet.UNOB:
return("UNOB");
case EdifactCharacterSet.UNOA:
return("UNOA");
case EdifactCharacterSet.UNOC:
return("UNOC");
case EdifactCharacterSet.UNOD:
return("UNOD");
case EdifactCharacterSet.UNOE:
return("UNOE");
case EdifactCharacterSet.UNOF:
return("UNOF");
case EdifactCharacterSet.UNOG:
return("UNOG");
case EdifactCharacterSet.UNOH:
return("UNOH");
case EdifactCharacterSet.UNOI:
return("UNOI");
case EdifactCharacterSet.UNOJ:
return("UNOJ");
case EdifactCharacterSet.UNOK:
return("UNOK");
case EdifactCharacterSet.UNOX:
return("UNOX");
case EdifactCharacterSet.UNOY:
return("UNOY");
case EdifactCharacterSet.KECA:
return("KECA");
}
return(null);
}
/// <summary>
/// Initializes a new instance of the EdifactFramingSettings class.
/// </summary>
/// <param name="protocolVersion">The protocol version.</param>
/// <param name="dataElementSeparator">The data element
/// separator.</param>
/// <param name="componentSeparator">The component separator.</param>
/// <param name="segmentTerminator">The segment terminator.</param>
/// <param name="releaseIndicator">The release indicator.</param>
/// <param name="repetitionSeparator">The repetition separator.</param>
/// <param name="characterSet">The EDIFACT frame setting characterSet.
/// Possible values include: 'NotSpecified', 'UNOB', 'UNOA', 'UNOC',
/// 'UNOD', 'UNOE', 'UNOF', 'UNOG', 'UNOH', 'UNOI', 'UNOJ', 'UNOK',
/// 'UNOX', 'UNOY', 'KECA'</param>
/// <param name="decimalPointIndicator">The EDIFACT frame setting
/// decimal indicator. Possible values include: 'NotSpecified',
/// 'Comma', 'Decimal'</param>
/// <param name="segmentTerminatorSuffix">The EDIFACT frame setting
/// segment terminator suffix. Possible values include: 'NotSpecified',
/// 'None', 'CR', 'LF', 'CRLF'</param>
/// <param name="serviceCodeListDirectoryVersion">The service code list
/// directory version.</param>
/// <param name="characterEncoding">The character encoding.</param>
public EdifactFramingSettings(int protocolVersion, int dataElementSeparator, int componentSeparator, int segmentTerminator, int releaseIndicator, int repetitionSeparator, EdifactCharacterSet characterSet, EdifactDecimalIndicator decimalPointIndicator, SegmentTerminatorSuffix segmentTerminatorSuffix, string serviceCodeListDirectoryVersion = default(string), string characterEncoding = default(string))
{
ServiceCodeListDirectoryVersion = serviceCodeListDirectoryVersion;
CharacterEncoding = characterEncoding;
ProtocolVersion = protocolVersion;
DataElementSeparator = dataElementSeparator;
ComponentSeparator = componentSeparator;
SegmentTerminator = segmentTerminator;
ReleaseIndicator = releaseIndicator;
RepetitionSeparator = repetitionSeparator;
CharacterSet = characterSet;
DecimalPointIndicator = decimalPointIndicator;
SegmentTerminatorSuffix = segmentTerminatorSuffix;
CustomInit();
}
//public override int Read(char[] buffer, int index, int count)
//{
// int readCount = base.Read(buffer, index, count);
// for (int i = index; i < readCount + index; i++)
// {
// buffer[i] = Clean(buffer[i]);
// }
// return readCount;
//}
private static bool TryReadEdiCharacterSet(Stream stream, out EdifactCharacterSet edifactCharacterSet, Encoding encoding)
{
edifactCharacterSet = EdifactCharacterSet.UNOA;
if (stream == null)
{
throw new ArgumentNullException("stream");
}
var position = stream.Position;
stream.Seek(0, SeekOrigin.Begin);
try
{
var sr = new StreamReader(stream, encoding);
string line;
while ((line = sr.ReadLine()) != null)
{
var unoIndex = line.IndexOf("UNO");
if (unoIndex == -1 || line.Length < unoIndex + 4)
{
return(false);
}
var uno = line.Substring(unoIndex, 4);
if (Enum.TryParse <EdifactCharacterSet>(uno, out edifactCharacterSet))
{
return(true);
//var regex = new Regex(Regex.Escape(charsetIn));
//line = regex.Replace(line, TargetCharacterSet.ToString(), 1);
}
}
}
catch
{
}
finally
{
stream.Seek(position, SeekOrigin.Begin);
}
return(false);
}
public static char Translate(this char ch, EdifactCharacterSet charSet, char fallbackChar)
{
switch (charSet)
{
case EdifactCharacterSet.UNOA:
return(ch.ToUnoa(fallbackChar));
case EdifactCharacterSet.UNOB:
return(ch.ToUnob(fallbackChar));
case EdifactCharacterSet.UNOC:
return(ch.ToUnoc(fallbackChar));
case EdifactCharacterSet.UNOD:
return(ch.ToUnoc(fallbackChar));
case EdifactCharacterSet.UNOE:
return(ch.ToUnoe(fallbackChar));
case EdifactCharacterSet.UNOF:
return(ch.ToUnof(fallbackChar));
case EdifactCharacterSet.UNOG:
return(ch.ToUnog(fallbackChar));
case EdifactCharacterSet.UNOH:
return(ch.ToUnoh(fallbackChar));
case EdifactCharacterSet.UNOI:
return(ch.ToUnoi(fallbackChar));
case EdifactCharacterSet.UNOJ:
return(ch.ToUnoj(fallbackChar));
case EdifactCharacterSet.UNOK:
return(ch.ToUnok(fallbackChar));
case EdifactCharacterSet.UNOX:
case EdifactCharacterSet.UNOY:
case EdifactCharacterSet.KECA:
return(ch);
default:
return(ch);
}
}
public EdifactReader(Stream stream, Encoding encoding, EdifactCharacterSet charSet, char fallbackChar, bool normalize = true, bool removeControlChars = false)
: base(stream, encoding)
{
if (stream == null)
throw new ArgumentNullException("stream");
if (!stream.CanSeek)
throw new ArgumentNullException("stream");
this._removeControlChars = removeControlChars;
this._fallbackChar = fallbackChar;
this._charSet = charSet;
this._normalize = normalize;
EdifactCharacterSet messageCharSet;
if (TryReadEdiCharacterSet(stream, out messageCharSet, encoding))
{
this._charSet = messageCharSet;
}
}
//public override int Read(char[] buffer, int index, int count)
//{
// int readCount = base.Read(buffer, index, count);
// for (int i = index; i < readCount + index; i++)
// {
// buffer[i] = Clean(buffer[i]);
// }
// return readCount;
//}
private static bool TryReadEdiCharacterSet(Stream stream, out EdifactCharacterSet edifactCharacterSet, Encoding encoding)
{
edifactCharacterSet = EdifactCharacterSet.UNOA;
if (stream == null)
throw new ArgumentNullException("stream");
var position = stream.Position;
stream.Seek(0, SeekOrigin.Begin);
try
{
var sr = new StreamReader(stream, encoding);
string line;
while ((line = sr.ReadLine()) != null)
{
var unoIndex = line.IndexOf("UNO");
if (unoIndex == -1 || line.Length < unoIndex + 4)
{
return false;
}
var uno = line.Substring(unoIndex, 4);
if (Enum.TryParse<EdifactCharacterSet>(uno, out edifactCharacterSet))
{
return true;
//var regex = new Regex(Regex.Escape(charsetIn));
//line = regex.Replace(line, TargetCharacterSet.ToString(), 1);
}
}
}
catch
{
}
finally
{
stream.Seek(position, SeekOrigin.Begin);
}
return false;
}
/// <summary>
/// Non-streaming replace :)
/// </summary>
/// <param name="stream"></param>
/// <param name="encoding"></param>
/// <param name="charSet"></param>
/// <returns></returns>
private static Stream ReplaceCharSet(Stream stream, Encoding encoding, EdifactCharacterSet charSet)
{
if (stream == null)
throw new ArgumentNullException("stream");
var position = stream.Position;
stream.Seek(0, SeekOrigin.Begin);
using (var sr = new StreamReader(stream, encoding))
{
var edifact = sr.ReadToEnd();
var unoIndex = edifact.IndexOf("UNO", StringComparison.Ordinal);
if (unoIndex >= 0 && edifact.Length > 3)
{
var charsetInString = edifact.Substring(unoIndex, 4);
EdifactCharacterSet charSetIn;
if (Enum.TryParse<EdifactCharacterSet>(charsetInString, out charSetIn))
{
var regex = new Regex(Regex.Escape(charsetInString));
edifact = regex.Replace(edifact, charSet.ToString(), 1);
}
}
var result = new MemoryStream();
var writer = new StreamWriter(result);
writer.Write(edifact);
writer.Flush();
result.Position = 0;
return result;
}
}
public static char Translate(this char ch, EdifactCharacterSet charSet, char fallbackChar)
{
switch (charSet)
{
case EdifactCharacterSet.UNOA:
return ch.ToUnoa(fallbackChar);
case EdifactCharacterSet.UNOB:
return ch.ToUnob(fallbackChar);
case EdifactCharacterSet.UNOC:
return ch.ToUnoc(fallbackChar);
case EdifactCharacterSet.UNOD:
return ch.ToUnoc(fallbackChar);
case EdifactCharacterSet.UNOE:
return ch.ToUnoe(fallbackChar);
case EdifactCharacterSet.UNOF:
return ch.ToUnof(fallbackChar);
case EdifactCharacterSet.UNOG:
return ch.ToUnog(fallbackChar);
case EdifactCharacterSet.UNOH:
return ch.ToUnoh(fallbackChar);
case EdifactCharacterSet.UNOI:
return ch.ToUnoi(fallbackChar);
case EdifactCharacterSet.UNOJ:
return ch.ToUnoj(fallbackChar);
case EdifactCharacterSet.UNOK:
return ch.ToUnok(fallbackChar);
case EdifactCharacterSet.UNOX:
case EdifactCharacterSet.UNOY:
case EdifactCharacterSet.KECA:
return ch;
default:
return ch;
}
}
