internal protected virtual bool ResolvePropertiesTo(FtMetaSequence sequence, FtMetaFieldList fieldList, FtMetaSequenceList existingSequences, out string errorDescription)
{
errorDescription = "";
bool result = false;
foreach (FtMetaSequence.PropertyId id in Enum.GetValues(typeof(FtMetaSequence.PropertyId)))
{
switch (id)
{
case FtMetaSequence.PropertyId.Name:
result = ResolveName(sequence, existingSequences, out errorDescription);
break;
case FtMetaSequence.PropertyId.Root:
result = ResolveRoot(sequence, out errorDescription);
break;
case FtMetaSequence.PropertyId.FieldIndices:
result = ResolveFieldIndices(sequence, fieldList, out errorDescription);
break;
default:
throw FtInternalException.Create(InternalError.SequenceReadElement_ResolvePropertiesTo_UnsupportedPropertyId, id.ToString());
}
if (!result)
{
break;
}
}
return(result);
}
protected virtual bool ResolveProperties(FtMetaSequenceItem item, FtMetaFieldList fieldList, out string errorDescription)
{
errorDescription = "";
bool result = true;
foreach (FtMetaSequenceItem.PropertyId id in Enum.GetValues(typeof(FtMetaSequenceItem.PropertyId)))
{
switch (id)
{
case FtMetaSequenceItem.PropertyId.Index:
// already processed in TryAddOrIgnoreAttribute()
break;
case FtMetaSequenceItem.PropertyId.FieldIndex:
result = ResolveFieldIndex(item, fieldList, out errorDescription);
break;
default:
throw FtInternalException.Create(InternalError.SequenceItemReadElement_ResolveProperties_UnsupportedPropertyId, id.ToString());
}
if (!result)
{
break;
}
}
return(result);
}
internal int Peek()
{
switch (state)
{
case State.Read:
int readChar = textReader.Read();
if (readChar == textReaderEofReadResult)
{
state = State.EofPeeked;
return(EofReadResult);
}
else
{
peekedChar = readChar;
state = State.TextReaderPeeked;
return(peekedChar);
}
case State.SignaturePeekReread:
case State.SignaturePeekRereadThenEof:
return(signaturePeekBuffer[signaturePeekBufferPosition]);
case State.TextReaderPeeked:
return(peekedChar);
case State.EofPeeked:
case State.Eof:
return(EofReadResult);
default:
throw FtInternalException.Create(InternalError.CharReader_Peek_UnsupportedState, state.ToString());
}
}
private void FinishLine()
{
switch (state)
{
case State.CommentChar: // should never happen as detected in reader
case State.Signature: // should never happen as cached in charReader
case State.ValueStuffedQuote: // should never happen as peeked in charReader
throw FtInternalException.Create(InternalError.DeclarationParser_FinishLine_UnexpectedState, state.ToString());
case State.ParameterName:
throw new FtSerializationException(FtSerializationError.DeclarationParameterNameNotTerminated,
string.Format(Properties.Resources.DeclarationParser_FinishLine_DeclarationParameterNameNotTerminated, nameBuilder.ToString()));
case State.WaitingValue:
throw new FtSerializationException(FtSerializationError.DeclarationParameterMissingValue,
string.Format(Properties.Resources.DeclarationParser_FinishLine_DeclarationParameterMissingValue, nameBuilder.ToString()));
case State.Value:
throw new FtSerializationException(FtSerializationError.DeclarationParameterValueNotTerminated,
string.Format(Properties.Resources.DeclarationParser_FinishLine_DeclarationParameterValueNotTerminated, nameBuilder.ToString()));
case State.WaitingParameter:
break; // all good
default:
throw FtInternalException.Create(InternalError.DeclarationParser_FinishLine_UnsupportedState, state.ToString());
}
}
private string CalculateEndOfLineText()
{
switch (EndOfLineType)
{
case FtEndOfLineType.Char: return(EndOfLineChar.ToString());
case FtEndOfLineType.CrLf: return(CarriageReturnLineFeedString);
case FtEndOfLineType.Auto:
switch (EndOfLineAutoWriteType)
{
case FtEndOfLineAutoWriteType.CrLf: return(CarriageReturnLineFeedString);
case FtEndOfLineAutoWriteType.Cr: return(CarriageReturnChar.ToString());
case FtEndOfLineAutoWriteType.Lf: return(LineFeedChar.ToString());
case FtEndOfLineAutoWriteType.Local: return(Environment.NewLine);
default: throw FtInternalException.Create(InternalError.SerializationWriter_CalculateEndOfLineText_UnsupportedEndOfLineAutoWriteType, EndOfLineAutoWriteType.ToString());
}
default: throw FtInternalException.Create(InternalError.SerializationWriter_CalculateEndOfLineText_UnsupportedEndOfLineType, EndOfLineType.ToString());
}
}
internal void SetMetaReference(FtMetaReferenceType type, string reference)
{
Remove(MetaFileParameterName);
Remove(MetaUrlParameterName);
Remove(MetaEmbeddedParameterName);
switch (type)
{
case FtMetaReferenceType.Embedded:
Add(MetaEmbeddedParameterName, MetaEmbeddedParameterValue);
break;
case FtMetaReferenceType.File:
Add(MetaFileParameterName, reference);
break;
case FtMetaReferenceType.Url:
Add(MetaUrlParameterName, reference);
break;
case FtMetaReferenceType.None:
break;
default:
throw FtInternalException.Create(InternalError.DeclaredParameters_SetMetaReference_UnknownMetaReferenceType, type.ToString());
}
}
protected virtual bool ResolveProperties(FtMetaSubstitution substitution, out string errorDescription)
{
errorDescription = "";
bool result = false;
foreach (FtMetaSubstitution.PropertyId id in Enum.GetValues(typeof(FtMetaSubstitution.PropertyId)))
{
switch (id)
{
case FtMetaSubstitution.PropertyId.Type:
result = ResolveType(substitution, out errorDescription);
break;
case FtMetaSubstitution.PropertyId.Token:
result = ResolveToken(substitution, out errorDescription);
break;
case FtMetaSubstitution.PropertyId.Value:
result = ResolveValue(substitution, out errorDescription);
break;
default:
throw FtInternalException.Create(InternalError.SubstitutionReadElement_ResolveProperties_UnsupportedPropertyId, id.ToString());
}
if (!result)
{
break;
}
}
return(result);
}
internal static void StaticTest()
{
if (basicRecArray.Length != Enum.GetNames(typeof(FtBooleanStyles)).Length)
{
throw FtInternalException.Create(InternalError.BooleanStylesFormatter_StaticTest_IncorrectBasicRecCount, basicRecArray.Length.ToString());
}
if (compositeRecArray.Length != Enum.GetNames(typeof(CompositeStyles)).Length)
{
throw FtInternalException.Create(InternalError.BooleanStylesFormatter_StaticTest_IncorrectCompositeRecCount, compositeRecArray.Length.ToString());
}
}
internal static string ToSignatureLineText(DeclaredParameters parameters)
{
DeclaredParameters.Rec versionRec;
if (!parameters.TryGetVersionRec(out versionRec))
{
throw FtInternalException.Create(InternalError.DeclaredParametersFormatter_ToSignatureLineText_VersionNotSpecified);
}
else
{
DeclaredParameters.Rec[] recArray = new DeclaredParameters.Rec[1];
recArray[0] = versionRec;
return(ToText(recArray, 1));
}
}
internal static void StaticTest()
{
if (formatRecArray.Length != Enum.GetNames(typeof(FtMeta.PropertyId)).Length)
{
throw FtInternalException.Create(InternalError.RootPropertyIdFormatter_StaticTest_IncorrectFormatRecCount, formatRecArray.Length.ToString());
}
for (int i = 0; i < formatRecArray.Length; i++)
{
if ((int)formatRecArray[i].Id != i)
{
throw FtInternalException.Create(InternalError.RootPropertyIdFormatter_StaticTest_FormatRecOutOfOrder, formatRecArray[i].Id.ToString());
}
}
}
internal static void StaticTest()
{
if (formatRecArray.Length != Enum.GetNames(typeof(FtQuotedType)).Length)
{
throw FtInternalException.Create(InternalError.QuotedTypeFormatter_StaticTest_IncorrectFormatRecCount, formatRecArray.Length.ToString());
}
for (int i = 0; i < formatRecArray.Length; i++)
{
if ((int)formatRecArray[i].Enumerator != i)
{
throw FtInternalException.Create(InternalError.QuotedTypeFormatter_StaticTest_FormatRecOutOfOrder, formatRecArray[i].Enumerator.ToString());
}
}
}
private void FinishLastLine()
{
switch (lineType)
{
case FtLineType.Signature:
declarationParser.FinishSignatureLine();
break;
case FtLineType.Declaration2:
FinishDeclaration();
break;
case FtLineType.Comment:
if (!headerRead)
{
if (metaEmbedded && !embeddedMetaRead)
{
throw new FtSerializationException(FtSerializationError.EmbeddedMetaNotFound, "End of File encountered");
}
}
break;
case FtLineType.EmbeddedMeta:
if (embeddedMetaParser.Ready)
{
FinishEmbeddedMeta();
}
else
{
throw new FtSerializationException(FtSerializationError.IncompleteEmbeddedMeta, "End of File encountered");
}
break;
case FtLineType.Blank:
break; // nothing to do
case FtLineType.Heading:
FinishHeadingLine();
break;
case FtLineType.Record:
FinishRecord();
break;
default:
throw FtInternalException.Create(InternalError.SerializationReader_FinishLastLine_UnsupportedLineType, lineType.ToString());
}
}
private bool DoesTextRequireQuotes(string text, bool willBeSpacePrefixed)
{
string startTrimmedText = text.TrimStart();
if (startTrimmedText.Length > 0 && startTrimmedText[0] == QuoteChar)
{
return(true);
}
else
{
if (willBeSpacePrefixed && (text.Length == 0 || char.IsWhiteSpace(text[0])))
{
return(true);
}
else
{
char[] searchChars;
if (!AllowEndOfLineCharInQuotes)
{
searchChars = new char[1];
}
else
{
switch (EndOfLineType)
{
case FtEndOfLineType.Auto:
case FtEndOfLineType.CrLf:
searchChars = new char[3];
searchChars[1] = CarriageReturnChar;
searchChars[2] = LineFeedChar;
break;
case FtEndOfLineType.Char:
searchChars = new char[1];
searchChars[1] = EndOfLineChar;
break;
default:
throw FtInternalException.Create(InternalError.SerializationWriter_DoesTextRequireQuotes_UnsupportedEndOfLineType, EndOfLineType.ToString());
}
}
searchChars[0] = DelimiterChar;
return(startTrimmedText.IndexOfAny(searchChars) >= 0);
}
}
}
internal int Read()
{
switch (state)
{
case State.Read:
int readResult = textReader.Read();
position++;
if (readResult != textReaderEofReadResult)
{
return(readResult);
}
else
{
state = State.Eof;
return(EofReadResult);
}
case State.SignaturePeekReread:
case State.SignaturePeekRereadThenEof:
char aChar = signaturePeekBuffer[signaturePeekBufferPosition];
signaturePeekBufferPosition++;
if (signaturePeekBufferPosition == signaturePeekBuffer.Length)
{
state = (state == State.SignaturePeekRereadThenEof) ? State.EofPeeked : State.Read;
}
position++;
return((int)aChar);
case State.TextReaderPeeked:
int peekResult = (int)peekedChar;
state = State.Read;
position++;
return(peekResult);
case State.EofPeeked:
position++;
state = State.Eof;
return(EofReadResult);
case State.Eof:
return(EofReadResult);
default:
throw FtInternalException.Create(InternalError.CharReader_Read_UnsupportedState, state.ToString());
}
}
private void ExitActiveField()
{
switch (state)
{
case State.InFixedWidthField:
fixedWidthFieldParser.ExitField();
break;
case State.InDelimitedField:
delimitedFieldParser.ExitField();
break;
default:
throw FtInternalException.Create(InternalError.HeadingLineRecordParser_ExitActiveField_UnsupportedState, state.ToString());
}
activeField = null;
}
internal void ParseChar(char aChar, bool endOfLineToBeEmbedded, out LineEndedType lineEndedType)
{
switch (inLineState)
{
case FtLineState.InNextTextOut:
Debug.Assert(aChar == LineFeedChar && endOfLineToBeEmbedded, ((int)(InternalError.LineParser_ParseChar_InNextTextOut)).ToString());
inLineState = FtLineState.InTextOut;
lineEndedType = LineEndedType.Not;
break;
case FtLineState.InTextOut:
textLineCount++;
textLineLength = 0;
inLineState = FtLineState.In;
ParseInChar(aChar, endOfLineToBeEmbedded, out lineEndedType);
break;
case FtLineState.In:
ParseInChar(aChar, endOfLineToBeEmbedded, out lineEndedType);
break;
case FtLineState.InPendingNextLineFeed:
Debug.Assert(aChar == LineFeedChar && !endOfLineToBeEmbedded, ((int)(InternalError.LineParser_ParseChar_InPendingNextLineFeed)).ToString());
inLineState = FtLineState.Out;
lineEndedType = LineEndedType.Continued;
break;
case FtLineState.Out:
lineCount++;
lineLength = 0;
textLineCount++;
textLineLength = 0;
inLineState = FtLineState.In;
ParseInChar(aChar, endOfLineToBeEmbedded, out lineEndedType);
break;
default:
throw FtInternalException.Create(InternalError.LineParser_ParseChar_Unsupported_InLineState, inLineState.ToString());
}
lineLength++;
textLineLength++;
}
internal void EnterField(FtField aField)
{
field = aField;
// cache field values
fieldSubstitutionsEnabled = core.SubstitutionsEnabled;
fieldSubstitutionChar = core.SubstitutionChar;
fieldDelimiterChar = core.DelimiterChar;
fieldQuoteChar = core.QuoteChar;
if (headings)
{
fieldQuotedType = field.HeadingQuotedType;
}
else
{
fieldQuotedType = field.ValueQuotedType;
}
switch (fieldQuotedType)
{
case FtQuotedType.Never:
quotedState = QuotedState.NeverOpen;
break;
case FtQuotedType.Optional:
quotedState = QuotedState.CanOpen;
break;
case FtQuotedType.Always:
quotedState = QuotedState.MustOpen;
break;
default:
throw FtInternalException.Create(InternalError.DelimitedFieldParser_EnterField_UnsupportedQuotedType, fieldQuotedType.ToString());
}
textBuilder.Clear();
position = charReader.Position;
rawOffset = -1;
rawLength = 0;
}
private string TruncateFixedWidthText(string text, FtFieldDefinition definition, FtTruncateType truncateType, char truncateChar, char nullChar)
{
switch (truncateType)
{
case FtTruncateType.Left: return(text.Substring(0, definition.Width));
case FtTruncateType.Right: return(text.Substring(text.Length - definition.Width, definition.Width));
case FtTruncateType.TruncateChar: return(new string(truncateChar, definition.Width));
case FtTruncateType.NullChar: return(new string(nullChar, definition.Width));
case FtTruncateType.Exception:
throw new FtSerializationException(FtSerializationError.FieldTruncated, string.Format(Properties.Resources.FtField_TruncateText_TextTruncation, text));
default:
throw FtInternalException.Create(InternalError.FtField_TruncateText_UnsupportedTruncateType, truncateType.ToString());
}
}
private string PadFixedWidthText(string text, FtFieldDefinition definition, FtPadAlignment padAlignment, FtPadCharType padCharType, char padChar, char endOfValueChar)
{
bool leftPad;
switch (padAlignment)
{
case FtPadAlignment.Auto:
leftPad = definition.AutoLeftPad;
break;
case FtPadAlignment.Left:
leftPad = true;
break;
case FtPadAlignment.Right:
leftPad = false;
break;
default:
throw FtInternalException.Create(InternalError.FtField_PadText_UnsupportedPadAlignment, padAlignment.ToString());
}
int padLength;
string padText;
string result;
switch (padCharType)
{
case FtPadCharType.Auto:
case FtPadCharType.Specified:
char usePadChar;
if (padCharType == FtPadCharType.Auto)
{
usePadChar = definition.AutoPadChar;
}
else
{
usePadChar = padChar;
}
padLength = definition.Width - text.Length;
padText = new string(usePadChar, padLength);
if (leftPad)
{
result = padText + text;
}
else
{
result = text + padText;
}
break;
case FtPadCharType.EndOfValue:
padLength = definition.Width - text.Length - 1;
padText = new string(padChar, padLength);
if (leftPad)
{
result = padText + endOfValueChar.ToString() + text;
}
else
{
result = text + endOfValueChar.ToString() + padText;
}
break;
default:
throw FtInternalException.Create(InternalError.FtField_PadText_UnsupportedPadCharType, padCharType.ToString());
}
return(result);
}
private void WriteRecordField(FtField field, int recordIndex)
{
OnFieldValueWriteReady(field, recordIndex);
if (field.FixedWidth)
{
if (field.IsNull())
{
writer.Write(field.Definition.FixedWidthNullValueText);
}
else
{
string valueText = field.GetAsNonNullValueText();
string rawText = EncodeFixedWidthValueText(valueText, field);
writer.Write(rawText);
}
}
else
{
if (field.IsNull())
{
writer.Write("");
}
else
{
string valueText = field.GetAsNonNullValueText();
bool fieldQuoted;
switch (field.ValueQuotedType)
{
case FtQuotedType.Never:
fieldQuoted = false;
break;
case FtQuotedType.Always:
fieldQuoted = true;
break;
case FtQuotedType.Optional:
if (field.ValueAlwaysWriteOptionalQuote)
{
fieldQuoted = true;
}
else
{
fieldQuoted = DoesTextRequireQuotes(valueText, field.ValueWritePrefixSpace);
}
break;
default:
throw FtInternalException.Create(InternalError.SerializationWriter_WriteRecordField_UnsupportedQuotedType, field.HeadingQuotedType.ToString());
}
if (field.ValueWritePrefixSpace)
{
writer.Write(PrefixSpaceChar);
}
if (fieldQuoted)
{
writer.Write(QuoteChar);
}
string rawText = EncodeDelimitValueHeadingText(valueText, fieldQuoted);
writer.Write(rawText);
if (fieldQuoted)
{
writer.Write(QuoteChar);
}
}
}
if (!field.Constant && !field.ValueAssigned)
{
// Field was not assigned a value (or null) so it will be null but any null sequence redirects will not have been processed yet. Do so now.
Debug.Assert(field.IsNull());
int fieldsAffectedFromIndex;
field.CheckNullSequenceRedirect(out fieldsAffectedFromIndex);
}
}
private void WriteHeadingField(FtField field, int headingLineIndex)
{
string headingText = field.Headings[headingLineIndex];
if (headingText == null)
{
headingText = "";
}
if (field.FixedWidth)
{
string rawText = EncodeFixedWidthHeadingText(headingText, field);
writer.Write(rawText);
}
else
{
bool fieldQuoted;
switch (field.HeadingQuotedType)
{
case FtQuotedType.Never:
fieldQuoted = false;
break;
case FtQuotedType.Always:
fieldQuoted = true;
break;
case FtQuotedType.Optional:
if (field.HeadingAlwaysWriteOptionalQuote)
{
fieldQuoted = true;
}
else
{
fieldQuoted = DoesTextRequireQuotes(headingText, field.HeadingWritePrefixSpace);
}
break;
default:
throw FtInternalException.Create(InternalError.SerializationWriter_WriteHeadingField_UnsupportedQuotedType, field.HeadingQuotedType.ToString());
}
if (field.HeadingWritePrefixSpace)
{
writer.Write(PrefixSpaceChar);
}
if (fieldQuoted)
{
writer.Write(QuoteChar);
}
string rawText = EncodeDelimitValueHeadingText(headingText, fieldQuoted);
writer.Write(rawText);
if (fieldQuoted)
{
writer.Write(QuoteChar);
}
}
}
private void ParseChar(char aChar)
{
if (!lineParser.InLine)
{
// new line starting
// calculate initial lineType and check if first char is ok
lineBuilder.Clear();
lineType = CalculateStartLineType(aChar);
switch (lineType)
{
case FtLineType.Signature:
declarationParser.StartLine();
SetLineCommentChar(aChar);
break;
case FtLineType.Declaration2:
declarationParser.StartLine();
break;
case FtLineType.Comment:
if (!headerRead)
{
if (metaEmbedded && !embeddedMetaRead)
{
embeddedMetaParser.StartLine();
}
}
break;
case FtLineType.EmbeddedMeta:
embeddedMetaParser.StartLine();
break;
case FtLineType.Heading:
InvokeRootSequence();
int headingLineReadIndex = headingLineReadCount++;
headingLineParser.Start(headingLineReadIndex);
OnHeadingLineStarted(headingLineReadIndex);
break;
}
}
bool endOfLineToBeEmbedded = recordParser.IsEndOfLineToBeEmbedded();
LineParser.LineEndedType lineEndedType;
lineParser.ParseChar(aChar, endOfLineToBeEmbedded, out lineEndedType);
if (lineEndedType != LineParser.LineEndedType.Continued)
{
bool lineEndInitiated;
if (lineEndedType == LineParser.LineEndedType.Initiated)
{
lineEndInitiated = true;
}
else
{
lineEndInitiated = false;
lineBuilder.Append(aChar);
}
switch (lineType)
{
case FtLineType.Signature:
if (!lineEndInitiated)
{
declarationParser.ParseSignatureLineChar(aChar);
}
else
{
declarationParser.FinishSignatureLine();
}
break;
case FtLineType.Declaration2:
if (!lineEndInitiated)
{
declarationParser.ParseDeclaration2LineChar(aChar);
}
else
{
FinishDeclaration();
}
break;
case FtLineType.Comment:
if (!headerRead)
{
if (metaEmbedded && !embeddedMetaRead)
{
if (!lineEndInitiated)
{
// see if embedded Meta started in this line
bool embeddedMetaPresent;
embeddedMetaParser.ParseNotYetDetectedChar(aChar, out embeddedMetaPresent);
if (embeddedMetaPresent)
{
lineType = FtLineType.EmbeddedMeta;
}
}
}
}
break;
case FtLineType.EmbeddedMeta:
if (!lineEndInitiated)
{
embeddedMetaParser.ParseChar(aChar);
}
else
{
embeddedMetaParser.AppendLine();
if (embeddedMetaParser.Ready)
{
FinishEmbeddedMeta();
}
}
break;
case FtLineType.Blank:
if (!headerRead)
{
if (!lineEndInitiated)
{
// must be a heading line
lineType = FtLineType.Heading;
if (metaEmbedded && !embeddedMetaRead)
{
// error if expecting embedded Meta
throw new FtSerializationException(FtSerializationError.EmbeddedMetaNotFound, Properties.Resources.SerializationReader_ParseChar_EmbeddedMetaLineNotBlankOrComment);
}
else
{
Debug.Assert(HeadingLineCount > 0 && !headingLinesRead);
InvokeRootSequence();
int headingLineReadIndex = headingLineReadCount++;
headingLineParser.Start(headingLineReadIndex);
OnHeadingLineStarted(headingLineReadIndex);
headingLineParser.ParseChar(aChar);
}
}
}
else
{
if (!lineEndInitiated)
{
// is actually a record line
lineType = FtLineType.Record;
if (newTableStarted)
{
PreviousRecordSequenceInvokationList.Assign(SequenceInvokationList);
newTableStarted = false;
}
InvokeRootSequence();
int recordIndex = recordCount++;
recordParser.Start(recordIndex);
OnRecordStarted(recordIndex);
recordParser.ParseChar(aChar);
}
else
{
if (!IgnoreBlankLines)
{
throw new FtSerializationException(FtSerializationError.RecordNotEnoughFields, Properties.Resources.SerializationReader_ParseChar_BlankRecordsNotAllowed);
}
}
}
break;
case FtLineType.Heading:
if (!lineEndInitiated)
{
headingLineParser.ParseChar(aChar);
}
else
{
FinishHeadingLine();
}
break;
case FtLineType.Record:
if (!lineEndInitiated)
{
recordParser.ParseChar(aChar);
}
else
{
FinishRecord();
}
break;
default:
throw FtInternalException.Create(InternalError.SerializationReader_ParseChar_UnsupportedLineType, lineType.ToString());
}
}
}
private void ParseChar(char aChar)
{
switch (state)
{
case State.WaitingParameter:
// ignore whitespace
if (!char.IsWhiteSpace(aChar))
{
if (aChar == NameValueSeparatorChar)
{
throw new FtSerializationException(FtSerializationError.DeclarationParameterNameIsZeroLength,
string.Format(Properties.Resources.DeclarationParser_ParseChar_DeclarationParameterNameIsZeroLength, parameters.Count));
}
else
{
nameBuilder.Clear();
nameBuilder.Append(aChar);
state = State.ParameterName;
}
}
break;
case State.ParameterName:
if (aChar != NameValueSeparatorChar)
{
nameBuilder.Append(aChar);
}
else
{
state = State.WaitingValue;
}
break;
case State.WaitingValue:
// ignore initial whitespace
if (!char.IsWhiteSpace(aChar))
{
if (aChar != ValueQuoteChar)
{
throw new FtSerializationException(FtSerializationError.DeclarationParameterValueNotQuoted,
string.Format(Properties.Resources.DeclarationParser_ParseChar_DeclarationParameterValueNotQuoted, nameBuilder.ToString()));
}
else
{
valueBuilder.Clear();
state = State.Value;
}
}
break;
case State.Value:
if (aChar != ValueQuoteChar)
{
valueBuilder.Append(aChar);
}
else
{
if (charReader.Peek() == ValueQuoteChar)
{
state = State.ValueStuffedQuote;
}
else
{
parameters.Add(nameBuilder.ToString().Trim(), valueBuilder.ToString());
state = State.WaitingParameter;
}
}
break;
case State.ValueStuffedQuote:
valueBuilder.Append(ValueQuoteChar);
state = State.Value;
break;
default:
throw FtInternalException.Create(InternalError.DeclarationParser_ParseChar_UnsupportedState, state.ToString());
}
}
private FtLineType CalculateStartLineType(char startChar)
{
if (headerRead)
{
return((startChar == LineCommentChar) ? FtLineType.Comment : FtLineType.Blank); // if not comment, assume blank - if got chars, then will be changed to Rec
}
else
{
if (declared && lineParser.LineCount < 2)
{
// Declaration Line Type
switch (lineParser.LineCount)
{
case 0: return(FtLineType.Signature);
case 1: return(FtLineType.Declaration2);
default:
throw FtInternalException.Create(InternalError.SerializationReader_ParseChar_UnexpectedDeclarationLineCount, lineParser.LineCount.ToString());
}
}
else
{
if (metaEmbedded && !embeddedMetaRead)
{
// Expecting or in Embedded Meta lines
if (lineType == FtLineType.EmbeddedMeta)
{
return(FtLineType.EmbeddedMeta);
}
else
{
if (startChar == LineCommentChar)
{
return(FtLineType.Comment);
}
else
{
return(FtLineType.Blank); // the only other thing it could be
}
}
}
else
{
// if Declaration done or not present and Embedded Meta done or not present, then only reason
// still in header is to read heading lines.
Debug.Assert(HeadingLineCount > 0 && !headingLinesRead);
if (lineType == FtLineType.Heading)
{
return(FtLineType.Heading);
}
else
{
if (startChar == LineCommentChar)
{
return(FtLineType.Comment);
}
else
{
return(FtLineType.Blank); // assume this - may also be first heading line
}
}
}
}
}
}
private void ParseInChar(char aChar, bool embedEndOfLine, out LineEndedType lineEndedType)
{
switch (core.EndOfLineType)
{
case FtEndOfLineType.Auto:
switch (aChar)
{
case CarriageReturnChar:
if (embedEndOfLine)
{
if (charReader.Peek() == LineFeedChar)
{
inLineState = FtLineState.InNextTextOut;
}
else
{
inLineState = FtLineState.InTextOut;
}
lineEndedType = LineEndedType.Not;
}
else
{
inLineState = (charReader.Peek() == LineFeedChar) ? FtLineState.InPendingNextLineFeed : FtLineState.Out;
lineEndedType = LineEndedType.Initiated;
}
break;
case LineFeedChar:
if (embedEndOfLine)
{
inLineState = FtLineState.InTextOut;
lineEndedType = LineEndedType.Not;
}
else
{
inLineState = FtLineState.Out;
lineEndedType = LineEndedType.Initiated;
}
break;
default:
lineLength++;
textLineLength++;
lineEndedType = LineEndedType.Not;
break;
}
break;
case FtEndOfLineType.CrLf:
if (aChar != CarriageReturnChar)
{
lineEndedType = LineEndedType.Not;
}
else
{
if (embedEndOfLine)
{
if (charReader.Peek() == LineFeedChar)
{
inLineState = FtLineState.InNextTextOut;
}
else
{
inLineState = FtLineState.InTextOut;
}
lineEndedType = LineEndedType.Not;
}
else
{
if (charReader.Peek() != LineFeedChar)
{
lineEndedType = LineEndedType.Not;
}
else
{
inLineState = FtLineState.InPendingNextLineFeed;
lineEndedType = LineEndedType.Initiated;
}
}
}
break;
case FtEndOfLineType.Char:
if (embedEndOfLine)
{
inLineState = FtLineState.InTextOut;
lineEndedType = LineEndedType.Not;
}
else
{
inLineState = FtLineState.Out;
lineEndedType = LineEndedType.Initiated;
}
break;
default:
throw FtInternalException.Create(InternalError.LineParser_ParseInChar_UnsupportedEndOfLineType, core.EndOfLineType.ToString());
}
}
protected virtual bool ResolveProperties(FtMeta meta, out string errorDescription)
{
errorDescription = "";
lastLineEndedTypeSpecified = false;
allowIncompleteRecordsSpecified = false;
bool result = false;
foreach (FtMeta.PropertyId id in Enum.GetValues(typeof(FtMeta.PropertyId)))
{
switch (id)
{
case FtMeta.PropertyId.AllowEndOfLineCharInQuotes:
result = ResolveAllowEndOfLineCharInQuotes(meta, out errorDescription);
break;
case FtMeta.PropertyId.Culture:
result = ResolveCulture(meta, out errorDescription);
break;
case FtMeta.PropertyId.DelimiterChar:
result = ResolveDelimiterChar(meta, out errorDescription);
break;
case FtMeta.PropertyId.EndOfLineAutoWriteType:
result = ResolveEndOfLineAutoWriteType(meta, out errorDescription);
break;
case FtMeta.PropertyId.EndOfLineChar:
result = ResolveEndOfLineChar(meta, out errorDescription);
break;
case FtMeta.PropertyId.EndOfLineType:
result = ResolveEndOfLineType(meta, out errorDescription);
break;
case FtMeta.PropertyId.LastLineEndedType:
result = ResolveLastLineEndedType(meta, out errorDescription);
break;
case FtMeta.PropertyId.HeadingAlwaysWriteOptionalQuote:
result = ResolveHeadingAlwaysWriteOptionalQuote(meta, out errorDescription);
break;
case FtMeta.PropertyId.HeadingConstraint:
result = ResolveHeadingConstraint(meta, out errorDescription);
break;
case FtMeta.PropertyId.HeadingEndOfValueChar:
result = ResolveHeadingEndOfValueChar(meta, out errorDescription);
break;
case FtMeta.PropertyId.HeadingLineCount:
result = ResolveHeadingLineCount(meta, out errorDescription);
break;
case FtMeta.PropertyId.HeadingPadAlignment:
result = ResolveHeadingPadAlignment(meta, out errorDescription);
break;
case FtMeta.PropertyId.HeadingPadChar:
result = ResolveHeadingPadChar(meta, out errorDescription);
break;
case FtMeta.PropertyId.HeadingPadCharType:
result = ResolveHeadingPadCharType(meta, out errorDescription);
break;
case FtMeta.PropertyId.HeadingQuotedType:
result = ResolveHeadingQuotedType(meta, out errorDescription);
break;
case FtMeta.PropertyId.HeadingTruncateChar:
result = ResolveHeadingTruncateChar(meta, out errorDescription);
break;
case FtMeta.PropertyId.HeadingTruncateType:
result = ResolveHeadingTruncateType(meta, out errorDescription);
break;
case FtMeta.PropertyId.HeadingWritePrefixSpace:
result = ResolveHeadingWritePrefixSpace(meta, out errorDescription);
break;
case FtMeta.PropertyId.IgnoreBlankLines:
result = ResolveIgnoreBlankLines(meta, out errorDescription);
break;
case FtMeta.PropertyId.IgnoreExtraChars:
result = ResolveIgnoreExtraChars(meta, out errorDescription);
break;
case FtMeta.PropertyId.AllowIncompleteRecords:
result = ResolveAllowIncompleteRecords(meta, out errorDescription);
break;
case FtMeta.PropertyId.LineCommentChar:
result = ResolveLineCommentChar(meta, out errorDescription);
break;
case FtMeta.PropertyId.MainHeadingLineIndex:
result = ResolveMainHeadingLineIndex(meta, out errorDescription);
break;
case FtMeta.PropertyId.QuoteChar:
result = ResolveQuoteChar(meta, out errorDescription);
break;
case FtMeta.PropertyId.StuffedEmbeddedQuotes:
result = ResolveStuffedEmbeddedQuotes(meta, out errorDescription);
break;
case FtMeta.PropertyId.SubstitutionChar:
result = ResolveSubstitutionChar(meta, out errorDescription);
break;
case FtMeta.PropertyId.SubstitutionsEnabled:
result = ResolveSubstitutionsEnabled(meta, out errorDescription);
break;
case FtMeta.PropertyId.LegacyEndOfLineIsSeparator:
result = ResolveLegacyEndOfLineIsSeparator(meta, out errorDescription);
break;
case FtMeta.PropertyId.LegacyIncompleteRecordsAllowed:
result = ResolveLegacyIncompleteRecordsAllowed(meta, out errorDescription);
break;
default:
throw FtInternalException.Create(InternalError.FieldedTextReadElement_ResolveProperties_UnsupportedPropertyId, id.ToString());
}
if (!result)
{
break;
}
}
return(result);
}
internal void ParseChar(char aChar)
{
switch (state)
{
case State.Out:
throw FtInternalException.Create(InternalError.HeadingLineRecordParser_ParseChar_OutState);
case State.InOutField:
if (fieldCount < core.FieldList.Count)
{
EnterField(core.FieldList[fieldCount]);
}
else
{
FtSerializationError error = headingLines ? FtSerializationError.HeadingLineTooManyFields : FtSerializationError.RecordTooManyFields;
string formatString = headingLines ? Properties.Resources.HeadingLineRecordParser_ParseChar_HeadingLineTooManyFields : Properties.Resources.HeadingLineRecordParser_ParseChar_RecordTooManyFields;
throw new FtSerializationException(error, string.Format(formatString, core.FieldList.Count));
}
ParseChar(aChar);
break;
case State.InFixedWidthField:
bool previousFieldFinished;
fixedWidthFieldParser.ParseChar(aChar, out previousFieldFinished);
if (previousFieldFinished)
{
if (!core.Seeking)
{
LoadFixedWidthHeadingValue();
}
ExitActiveField();
if (fieldCount < core.FieldList.Count || !core.IgnoreExtraChars)
{
state = State.InOutField;
}
else
{
state = State.OutIgnoreChars;
ignoreExtraCharsStartPosition = charReader.Position;
}
ParseChar(aChar);
}
break;
case State.InDelimitedField:
bool fieldFinished;
delimitedFieldParser.ParseChar(aChar, out fieldFinished);
if (fieldFinished)
{
// aChar was delimiter
if (!core.Seeking)
{
LoadDelimitedHeadingValue();
}
ExitActiveField();
if (fieldCount < core.FieldList.Count || !core.IgnoreExtraChars)
{
state = State.InOutField;
}
else
{
state = State.OutIgnoreChars;
ignoreExtraCharsStartPosition = charReader.Position;
}
}
break;
case State.OutIgnoreChars:
// nothing to do
break;
default:
throw FtInternalException.Create(InternalError.HeadingLineRecordParser_ParseChar_UnsupportedState, state.ToString());
}
}
internal protected virtual bool ResolveItemsTo(FtMetaSequence sequence, FtMetaFieldList fieldList, FtMetaSequenceList sequenceList, out string errorDescription)
{
ItemSorter.Rec[] sorterRecArray = new ItemSorter.Rec[itemList.Count + fieldIndices.Length];
SequenceItemReadElement[] sortedItemElements;
for (int i = 0; i < itemList.Count; i++)
{
SequenceItemReadElement itemElement = itemList[i];
sorterRecArray[i].Target = itemElement;
sorterRecArray[i].Implicit = i;
sorterRecArray[i].Explicit = itemElement.ExplicitIndex;
}
int elementallyDefinedItemCount = itemList.Count;
for (int i = 0; i < fieldIndices.Length; i++)
{
SequenceItemReadElement itemElement = new SequenceItemReadElement();
// Add FieldIndex to element as if it were read from an attribute.
int fieldIndex = fieldIndices[i];
string attributeName = SequenceItemPropertyIdFormatter.ToAttributeName(FtMetaSequenceItem.PropertyId.FieldIndex);
string attributeValue = FtStandardText.Get(fieldIndex);
if (!itemElement.TryAddOrIgnoreAttribute(attributeName, attributeValue, out errorDescription))
{
throw FtInternalException.Create(InternalError.SequenceReadElement_ResolveItemsTo_TryAddOrIgnoreAttribute, errorDescription); // program error
}
else
{
int implicitIndex = elementallyDefinedItemCount + i;
sorterRecArray[implicitIndex].Target = itemElement;
sorterRecArray[implicitIndex].Implicit = implicitIndex;
sorterRecArray[implicitIndex].Explicit = -1;
}
}
int duplicateExplicitIndex;
if (!ItemSorter.TrySort(sorterRecArray, out sortedItemElements, out duplicateExplicitIndex))
{
errorDescription = string.Format(Properties.Resources.SequenceReadElement_ResolveItemsTo_DuplicateExplicitIndex, duplicateExplicitIndex);
return(false);
}
else
{
errorDescription = "";
bool result = true;
for (int i = 0; i < sortedItemElements.Length; i++)
{
SequenceItemReadElement itemElement = sortedItemElements[i];
FtMetaSequenceItem item = sequence.ItemList.New();
if (!itemElement.ResolveTo(item, fieldList, sequenceList, out errorDescription))
{
result = false;
break;
}
}
return(result);
}
}
internal void Finish()
{
switch (state)
{
case State.Out:
// nothing to do
break;
case State.InOutField:
state = State.Out;
break;
case State.InFixedWidthField:
if (!core.Seeking)
{
LoadFixedWidthHeadingValue();
}
ExitActiveField();
state = State.Out;
break;
case State.InDelimitedField:
if (!core.Seeking)
{
LoadDelimitedHeadingValue();
}
ExitActiveField();
state = State.Out;
break;
case State.OutIgnoreChars:
state = State.Out;
break;
default:
throw FtInternalException.Create(InternalError.HeadingLineRecordParser_Finish_UnsupportedState, state.ToString());
}
if (fieldCount < core.FieldList.Count)
{
if (!core.AllowIncompleteRecords)
{
FtSerializationError error = headingLines ? FtSerializationError.HeadingLineNotEnoughFields : FtSerializationError.RecordNotEnoughFields;
string formatString = headingLines ? Properties.Resources.HeadingLineRecordParser_Finish_HeadingLineNotEnoughFields : Properties.Resources.HeadingLineRecordParser_Finish_RecordNotEnoughFields;
throw new FtSerializationException(error, string.Format(formatString, fieldCount, core.FieldList.Count));
}
else
{
for (int i = fieldCount; i < core.FieldList.Count; i++)
{
activeField.LoadPosition(-1, -1, -1, -1);
if (headingLines)
{
activeField.LoadHeading(index, "");
}
else
{
activeField.LoadNullValue();
}
}
}
}
}
internal void ParseChar(char aChar, out bool previousFieldFinished)
{
if (fieldLength >= fieldWidth)
{
previousFieldFinished = true;
}
else
{
previousFieldFinished = false;
fieldLength++;
switch (state)
{
case State.WaitingLeftEndOfValue:
if (aChar != fieldEndOfValueChar)
{
textBuilder.Append(aChar); // may not encounter any EndOfValue char
}
else
{
textBuilder.Clear();
rawOffset = fieldLength;
state = State.NoMorePadding;
}
break;
case State.LeftPadding:
if (aChar != fieldPadChar)
{
textBuilder.Append(aChar);
rawOffset = fieldLength - 1;
state = State.NoMorePadding;
}
break;
case State.NoMorePadding:
textBuilder.Append(aChar);
break;
case State.WaitingRightEndOfValue:
if (aChar != fieldEndOfValueChar)
{
textBuilder.Append(aChar); // may not encounter any EndOfValue char
}
else
{
state = State.RestIsPadding;
}
break;
case State.WaitingRightPadding:
if (aChar != fieldPadChar)
{
textBuilder.Append(aChar);
}
else
{
rightPaddingCharCount = 1;
state = State.RightPadding;
}
break;
case State.RightPadding:
if (aChar == fieldPadChar)
{
rightPaddingCharCount++;
}
else
{
// Prematurely identified right padding previous start. Still not started
textBuilder.Append(new string(fieldPadChar, rightPaddingCharCount)); // add chars previously thought to be padding
textBuilder.Append(aChar);
rightPaddingCharCount = 0;
state = State.WaitingRightPadding;
}
break;
case State.RestIsPadding:
break;
default:
throw FtInternalException.Create(InternalError.FixedWidthFieldParser_ParseChar_UnsupportedState, state.ToString());
}
}
}
