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{
Dumps the names of external database (help) files referenced by this file
}
unit readextfiles;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, IPFFileFormatUnit, filestreamhelper;
procedure ProcessExtFiles(AIn: TFileStream; AOut: TFileTextStream);
implementation
uses
readheader;
procedure ProcessExtFiles(AIn: TFileStream; AOut: TFileTextStream);
var
count: integer;
name: string;
pData: pointer;
p: pointer;
pLength: pByte;
begin
AOut.WriteLn('');
AOut.WriteLn('External File References');
if eHdr.NumDataBase > 0 then
begin
pData := nil;
AIn.Seek(eHdr.DataBaseOffset, soBeginning);
GetMem(pData, eHdr.DataBaseSize); // allocate temp space for data
AIn.Read(pData^, eHdr.DataBaseSize); // read all data in one shot
p := pData; // p is our incrementing position in the data
for count := 0 to eHdr.NumDataBase-1 do
begin
pLength := p; // length byte, including itself
SetString(name, p+1, pLength^-1); // use length value minus the length byte to get the string length
AOut.WriteLn(Format(' File #%d: %s', [count, name]));
inc(p, pLength^); // skip to next entry using full length (including length byte)
end;
FreeMem(pData, eHdr.DataBaseSize); // free allocated space
end
else
AOut.WriteLn(' No external file references found');
end;
end.
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