Here is a list of all files with brief descriptions:

inc
libwps
libwps.h
WPSDocument.h
src
lib
DosWord.cpp
DosWord.h
libwps_internal.cpp
libwps_internal.h
libwps_tools_win.cpp
libwps_tools_win.h
Lotus.cpp
Lotus.h
LotusChart.cpp
LotusChart.h
LotusGraph.cpp
LotusGraph.h
LotusSpreadsheet.cpp
LotusSpreadsheet.h
LotusStyleManager.cpp
LotusStyleManager.h
MSWrite.cpp
MSWrite.h
Multiplan.cpp
Multiplan.h
PocketWord.cpp
PocketWord.h
Quattro.cpp
Quattro.h
Quattro9.cpp
Quattro9.h
Quattro9Graph.cpp
Quattro9Graph.h
Quattro9Spreadsheet.cpp
Quattro9Spreadsheet.h
QuattroDos.cpp
QuattroDos.h
QuattroDosChart.cpp
QuattroDosChart.h
QuattroDosSpreadsheet.cpp
QuattroDosSpreadsheet.h
QuattroFormula.cpp
QuattroFormula.h
QuattroGraph.cpp
QuattroGraph.h
QuattroSpreadsheet.cpp
QuattroSpreadsheet.h
WKS4.cpp
WKS4.h
WKS4Chart.cpp
WKS4Chart.h
WKS4Format.cpp
WKS4Format.h
WKS4Spreadsheet.cpp
WKS4Spreadsheet.h
WKSChart.cpp
WKSChart.h
WKSContentListener.cpp
WKSContentListener.h
WKSParser.cpp
WKSParser.h
WKSSubDocument.cpp
WKSSubDocument.h
WPS4.cpp
WPS4.h
WPS4Graph.cpp
WPS4Graph.h
WPS4Text.cpp
WPS4Text.h
WPS8.cpp
WPS8.h
WPS8Graph.cpp
WPS8Graph.h
WPS8Struct.cpp
WPS8Struct.h
WPS8Table.cpp
WPS8Table.h
WPS8Text.cpp
WPS8Text.h
WPS8TextStyle.cpp
WPS8TextStyle.h
WPSCell.cpp
WPSCell.h
WPSContentListener.cpp
WPSContentListener.h
WPSDebug.cpp
WPSDebug.h
WPSDocument.cpp
WPSEntry.cpp
WPSEntry.h
WPSFont.cpp
WPSFont.h
WPSGraphicShape.cpp
WPSGraphicShape.h
WPSGraphicStyle.cpp
WPSGraphicStyle.h
WPSHeader.cpp
WPSHeader.h
WPSList.cpp
WPSList.h
WPSListener.cpp
WPSListener.h
WPSOLE1Parser.cpp
WPSOLE1Parser.h
WPSOLEObject.cpp
WPSOLEObject.h
WPSOLEParser.cpp
WPSOLEParser.h
WPSOLEStream.cpp
WPSOLEStream.h
WPSPageSpan.cpp
WPSPageSpan.h
WPSParagraph.cpp
WPSParagraph.h
WPSParser.cpp
WPSParser.h
WPSPosition.h
WPSStream.cpp
WPSStream.h
WPSStringStream.cpp
WPSStringStream.h
WPSSubDocument.cpp
WPSSubDocument.h
WPSTable.cpp
WPSTable.h
WPSTextParser.cpp
WPSTextParser.h
WPSTextSubDocument.cpp
WPSTextSubDocument.h
XYWrite.cpp
XYWrite.h