public static string[] SplitCSV(string sLine, char cFieldDelimX, char cTextDelimX, bool bStripTextDelimiterNotation) { //formerly CSVLineToRow
string[] sarrReturn=null;
int iElements=CountCSVElements(sLine,cFieldDelimX,cTextDelimX);
//Console.Error.WriteLine( String.Format("Elements found:{0} text delimiter:'{1}'",iElements,char.ToString(cTextDelimX))); //debug only
try {
if (iElements>0) {
sarrReturn=new string[iElements];
int iFound=0;
int iChar=0;
bool bInQuotes=false;
int iStartNow=0;
int iEnderNow=-1;
if (sLine!=null) {
if (sLine!="") {
while (iChar<=sLine.Length) {//intentionally <=
if ( iChar!=sLine.Length&&sLine[iChar]==cTextDelimX) bInQuotes=!bInQuotes;
if ( iChar==sLine.Length || (sLine[iChar]==cFieldDelimX&&!bInQuotes) ) {//TODO: make sure CountCSVFields has same logic, or combine the functions
iEnderNow=iChar;
sarrReturn[iFound]=sLine.Substring(iStartNow,iEnderNow-iStartNow);
//Console.Error.WriteLine( String.Format("Found arg:\"{0}\" {{start:{1}; end:{2}; ender:{3}; next start:{4}}}",
// sarrReturn[iFound],iStartNow,(iChar==sLine.Length?"yes":"no"),iEnderNow,iEnderNow+1 )
//);
iFound++;
iStartNow=++iEnderNow;
}
iChar++;
}
if (bStripTextDelimiterNotation) {
for (int i=0; i<sarrReturn.Length; i++) {
if (sarrReturn[i]!=null) {
//Console.Error.Write("TextDelimiterNotation: "+sarrReturn[i]+" becomes ");
sarrReturn[i]=RTable.CSVFieldToLiteralField(sarrReturn[i],cFieldDelimX,cTextDelimX);
//Console.Error.WriteLine(sarrReturn[i]+".");
//if (sarrReturn[i].Length>=2&&sarrReturn[i][0]==cTextDelimX&&sarrReturn[i][sarrReturn[i].Length-1]==cTextDelimX) {
// sarrReturn[i]=sarrReturn[i].Substring(1,sarrReturn[i].Length-2);
//}
}
}
}
}//end if sLine!=""
else {
sarrReturn=new string[iElements];
for (int i=0; i<iElements; i++) sarrReturn[i]="";
//return new string[]{""};
}
}//end if sLine!=null
}//end if iElements>0
}
catch (Exception exn) {
Console.Error.WriteLine("Error in SplitCSV");
Console.Error.WriteLine(exn.ToString());
Console.Error.WriteLine();
}
return sarrReturn;
}//end SplitCSV
}//end RowToCSVLine
public string RowToCSVLine(int AtInternalRowIndex, bool bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty, int ColumnStart, int ColumnCount) {
int iAbs=ColumnStart;
string sReturn="";
try {
for (int ColRel=0; ColRel<ColumnCount&&iAbs<this.Columns; ColRel++) {
sReturn+=((ColRel!=0)?",":"")+RTable.LiteralFieldToCSVField(tearr[AtInternalRowIndex].Field(iAbs),this.cFieldDelimiter,this.cTextDelimiter,bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty);
iAbs++;
}
}
catch (Exception exn) {
RReporting.ShowExn(exn,"converting row to csv line","rtable RowToCSVLine(AtInternalRowIndex="+AtInternalRowIndex+",bTabsAsNewLines="+(bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty?"true":"false")+",ColumnStart="+ColumnStart+",ColumnCount="+ColumnCount+")");
}
return sReturn;
}
public RTable CopyTitlesOnly() {
RTable tReturn=null;
try {
if (this.teTitles!=null&&this.teTitles.Columns>0) {
tReturn=new RTable(this.teTitles.Copy(),true);
}
else tReturn=new RTable();
}
catch (Exception exn) {
tReturn=null;
RReporting.ShowExn(exn,RReporting.sParticiple,"rtable CopyTitlesOnly()");
}
return tReturn;
}//end CopyTitlesTo
public string TitlesToCSVLine(bool bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty, bool bExtendedTitleColumns, int ColumnStart, int ColumnCount) {
string sReturn="";
RecheckIntegrity();
if (this.teTitles!=null) {
if (bExtendedTitleColumns) {
string sField="";
int ColAbs=ColumnStart;
for (int ColRel=0; ColRel<ColumnCount; ColRel++) {
sField="";
if (bExtendedTitleColumns) {
sField=RString.SafeString(GetForcedType(ColAbs),false);
if (sField!="") sField+=" ";
}//end if bExtendedTitleColumns
string FieldDataNow=teTitles.Field(ColAbs);
if (FieldDataNow==null) {
RReporting.ShowErr("Can't access field","generating csv line","TitlesToCSVLine {NewLineInField:"+(bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty?"TAB":"BR with marker")+"; Row:title; Column:"+ColAbs+"}");
}
sField+=RString.SafeString(FieldDataNow,false);
if (bExtendedTitleColumns) {
string sMeta=GetForcedMeta(ColAbs);
if (sMeta!=null) {
sMeta=RString.SafeString(sMeta,false);
sMeta=RString.RemoveEndsWhiteSpace(sMeta);
if (!sMeta.StartsWith("{")) {
sMeta=RString.Replace(sMeta,"{","");
sMeta="{"+sMeta;
}
if (!sMeta.EndsWith("}")) {
sMeta=RString.Replace(sMeta,"}","");
sMeta+="}";
}
sField+=sMeta;
}//end if metadata
}//end if bExtendedTitleColumns
sReturn+=((ColRel!=0)?",":"")+RTable.LiteralFieldToCSVField(sField,this.cFieldDelimiter,this.cTextDelimiter,bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty);
ColAbs++;
}//end for field (column header)
}
else sReturn=teTitles.ToCSVLine(cFieldDelimiter, cTextDelimiter, bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty,ColumnStart,ColumnCount);
}
else RReporting.ShowErr("Cannot read nonexistant title row.","Converting table titles to text line","TitlesToCSVLine");
return sReturn;
}
}//end Save
public bool SaveChunk(string sFile, bool bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty, bool bExtendedTitleColumns, int RowStart, int RowCount, int ColStart, int ColCount) {
StreamWriter fsDest=null;
//sLastFile=sFile; do NOT set, since only saving a chunk and therefore says nothing about the source
//if (sLastFile==null) sLastFile="";
bool bGood=false;
//int iLines=0;
RecheckIntegrity();
try {
fsDest=new StreamWriter(sFile);
if (TitleRowIsNonBlank) {
//fsDest.WriteLine(teTitles.ToCSVLine(cFieldDelimiter,cTextDelimiter,bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty));
string sTitles="";
string sField="";
int ColAbs=ColStart;
for (int ColRel=0; ColRel<ColCount; ColRel++) {
sField="";
if (bExtendedTitleColumns) {
sField=RString.SafeString(GetForcedType(ColAbs),false);
if (sField!="") sField+=" ";
}//end if bExtendedTitleColumns
string FieldDataNow=teTitles.Field(ColAbs);
if (FieldDataNow==null) {
RReporting.ShowErr("Can't access field","saving csv file","Save("+RReporting.StringMessage(sFile,true)+","+(bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty?"TAB as newline mode":"BR with marker as newline mode")+"){Row:title; Column:"+ColAbs+"}");
}
sField+=RString.SafeString(FieldDataNow,false);
if (bExtendedTitleColumns) {
string sMeta=GetForcedMeta(ColAbs);
if (sMeta!=null) {
sMeta=RString.SafeString(sMeta,false);
sMeta=RString.RemoveEndsWhiteSpace(sMeta);
if (!sMeta.StartsWith("{")) {
sMeta=RString.Replace(sMeta,"{","");
sMeta="{"+sMeta;
}
if (!sMeta.EndsWith("}")) {
sMeta=RString.Replace(sMeta,"}","");
sMeta+="}";
}
sField+=sMeta;
}//end if metadata
}//end if bExtendedTitleColumns
sTitles+=((ColRel!=0)?",":"")+RTable.LiteralFieldToCSVField(sField,this.cFieldDelimiter,this.cTextDelimiter,bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty);
ColAbs++;
}//end for field (column header)
fsDest.WriteLine(sTitles);
}//end if Title Row is not blank
Console.Error.Write("Writing row range "+RowStart+" to "+(RowStart+RowCount-1)+" of "+iRows+" (total "+0+" to "+(iRows-1)+")...");
int RowAbs=RowStart;
for (int RowRel=0; RowRel<RowCount&&RowAbs<iRows; RowRel++) {
fsDest.WriteLine(RowToCSVLine(RowAbs,bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty,ColStart,ColCount));
RowAbs++;
}
fsDest.Close();
Console.Error.WriteLine("done.");
bGood=true;
}
catch (Exception exn) {
Console.Error.WriteLine("Could not save table to \""+sFile+"\":");
Console.Error.WriteLine(exn.ToString());
bGood=false;
try { fsDest.Close(); }
catch (Exception exn2) {
RReporting.ShowExn(exn2,"closing file after exception","rtable Load");
}
}
return bGood;
}//end SaveChunk
}//end Delete_AllWithMarker
public bool Save(string sFile, bool bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty, bool Set_bSaveMetaDataInTitleRow) {
if (sLastFile==sFileUnknown) {
sLastFile=sFile;
if (sLastFile==null) sLastFile="";
}
bSaveMetaDataInTitleRow=Set_bSaveMetaDataInTitleRow;
StreamWriter fsDest=null;
bool bGood=false;
//int iLines=0;
Delete_AllWithMarker();
RecheckIntegrity();
try {
fsDest=new StreamWriter(sFile);
if (TitleRowIsNonBlank) {
//fsDest.WriteLine(teTitles.ToCSVLine(cFieldDelimiter,cTextDelimiter,bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty));
string sTitles="";//cumulative
string sField="";//cumulative
for (int iCol=0; iCol<teTitles.Columns; iCol++) {
sField="";//sField=RString.SafeString(GetForcedType(iCol),false);//old way
if (bSaveMetaDataInTitleRow) sField=RString.SafeString(GetForcedType(iCol),false);
if (sField!="") sField+=" ";
string FieldDataNow=teTitles.Field(iCol);
if (FieldDataNow==null) {
RReporting.ShowErr("Can't access field","saving csv file","Save("+RReporting.StringMessage(sFile,true)+","+(bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty?"TAB as newline mode":"BR with marker as newline mode")+"){Row:title; Column:"+iCol+"}");
}
sField+=RString.SafeString(FieldDataNow,false);
if (bSaveMetaDataInTitleRow) {
string sMeta=GetForcedMeta(iCol);
if (sMeta!=null) {
sMeta=RString.SafeString(sMeta,false);
sMeta=RString.RemoveEndsWhiteSpace(sMeta);
if (!sMeta.StartsWith("{")) {
sMeta=RString.Replace(sMeta,"{","");
sMeta="{"+sMeta;
}
if (!sMeta.EndsWith("}")) {
sMeta=RString.Replace(sMeta,"}","");
sMeta+="}";
}
sField+=sMeta;
}//end if metadata
}//end if bSaveMetaDataInTitleRow
sTitles+=((iCol!=0)?",":"")+RTable.LiteralFieldToCSVField(sField,this.cFieldDelimiter,this.cTextDelimiter,bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty);
}//end for column title iCol
fsDest.WriteLine(sTitles);
}
Console.Error.Write("Writing "+iRows+" rows...");
for (int iNow=0; iNow<iRows; iNow++) {
fsDest.WriteLine(RowToCSVLine(iNow,bReplaceNewLineWithTabInsteadOfHTMLBrWithMarkerProperty));
}
fsDest.Close();
Console.Error.WriteLine("done.");
bGood=true;
}
catch (Exception exn) {
Console.Error.WriteLine("Could not save table to \""+sFile+"\":");
Console.Error.WriteLine(exn.ToString());
bGood=false;
try { fsDest.Close(); }
catch (Exception exn2) {
RReporting.ShowExn(exn2,"closing file after exception","rtable Load");
}
}
return bGood;
}//end Save
public bool Load(string sFile, bool FirstRowHasTitles) {
sLastFile=sFile;
if (sLastFile==null) sLastFile="";
bool bGood=false;
bFirstRowLoadAndSaveAsTitles=FirstRowHasTitles;
StreamReader fsSource=null;
string sLine=null;
try {
fsSource=new StreamReader(sFile);
if (bFirstRowLoadAndSaveAsTitles) {
sLine=fsSource.ReadLine();
if ( bShowNewlineWarning && (RString.Contains(sLine,'\n')||RString.Contains(sLine,'\r')) ) {
MessageBox.Show("Warning: newline character found in field. File may have been saved in a different operating system and need line breaks converted.");
bShowNewlineWarning=false;
}
teTitles=new TableEntry(RTable.SplitCSV(sLine,cFieldDelimiter,cTextDelimiter));
//Parse TYPE NAME{METANAME:METAVALUE;...} title row notation:
if (teTitles.Columns>0) {
sarrFieldMetaData=new string[teTitles.Columns];
iarrFieldType=new int[teTitles.Columns];
for (int iColumn=0; iColumn<teTitles.Columns; iColumn++) {
string FieldDataNow=teTitles.Field(iColumn);
if (FieldDataNow==null) {
RReporting.ShowErr("Field is not accessible","loading csv file","Load("+RReporting.StringMessage(sFile,true)+",...){Row 0:Titles; Column:"+iColumn+"}");
}
int iType=StartsWithType(FieldDataNow);
int iStartName=0;
if (iType>-1) {
iarrFieldType[iColumn]=iType;
iStartName=sarrType[iType].Length+1; //teTitles.SetField(iColumn,RString.SafeSubstring(teTitles.Field(iColumn),sarrType[iType].Length+1));
}
else {
RReporting.Debug("Unknown type in column#"+iColumn.ToString()+"("+RReporting.StringMessage(FieldDataNow,true)+")");
}
int iMetaData=-1;
//if (FieldDataNow!=null) {
iMetaData=FieldDataNow.IndexOf("{");
//}
if (iMetaData>-1) {
//string FieldDataNow=teTitles.Field(iColumn);
if (FieldDataNow==null) {
RReporting.ShowErr("Can't access field","loading csv file","rtable Load("+RReporting.StringMessage(sFile,true)+"){Row:titles; Column:"+iColumn+"}");
}
this.sarrFieldMetaData[iColumn]=FieldDataNow.Substring(iMetaData);
while (iMetaData>=0 && (FieldDataNow[iMetaData]=='{'||FieldDataNow[iMetaData]==' ')) iMetaData--;
teTitles.SetField(iColumn,RString.SafeSubstringByInclusiveEnder(FieldDataNow,iStartName,iMetaData));
}
else {
teTitles.SetField(iColumn,RString.SafeSubstring(FieldDataNow,iStartName));
}
}//end for iColumn in title row
}//end if teTitles.Columns>0
}//if bFirstRowLoadAndSaveAsTitles
tearr=new TableEntry[256];
for (int iNow=0; iNow<tearr.Length; iNow++) {
tearr[iNow]=null;
}
iRows=0;
//if (!bFirstRowLoadAndSaveAsTitles||sLine!=null) {
if (bAllowNewLineInQuotes) {
bool bInQuotes=false;
string sLineCombined="";
while ( (sLine=fsSource.ReadLine()) != null ) {
if (iRows>=Maximum) Maximum=iRows+iRows/2+1;
for (int iChar=0; iChar<RString.SafeLength(sLine); iChar++) {
if (sLine[iChar]==this.cTextDelimiter) bInQuotes=!bInQuotes;
}
sLineCombined+=sLine;
if (!bInQuotes) {
tearr[iRows]=new TableEntry(RTable.SplitCSV(sLineCombined,cFieldDelimiter,cTextDelimiter));
iRows++;
sLineCombined="";
}
}//end while not end of file
if (sLineCombined!="") { //get bad data so it doesn't get lost
tearr[iRows]=new TableEntry(RTable.SplitCSV(sLineCombined,cFieldDelimiter,cTextDelimiter));
iRows++;
}
}
else {
while ( (sLine=fsSource.ReadLine()) != null ) {
if (iRows>=Maximum) Maximum=iRows+iRows/2+1;
tearr[iRows]=new TableEntry(RTable.SplitCSV(sLine,cFieldDelimiter,cTextDelimiter));
iRows++;
}
}
//}//if any data rows
if (iRows<Maximum) {
for (int i=iRows; i<Maximum; i++) {
tearr[i]=new TableEntry();
}
}
bGood=true;
fsSource.Close();
}
catch (Exception exn) {
RReporting.ShowExn(exn,"Loading table","rtable Load(\""+RReporting.StringMessage(sFile,true)+"\",FirstRowHasTitles="+(FirstRowHasTitles?"yes":"no")+")");
try { fsSource.Close(); }
catch (Exception exn2) {
RReporting.ShowExn(exn2,"closing file after exception","rtable Load");
}
}
return bGood;
}//end Load
