> Because gz compression use a DLL, I would like to have it turned
> off by default at compile time. That is use a conditional compilation
> switch "USE_HTTP_CLI_GZ" to allow use of the DLL. So all new
> properties would always be compiled in, but as soon as gz feature
> is requested at
> runtime, an exception is raised telling the developper to use the
> symbol. When the symbol is defined, gz will work as expected.
I already have applications supporting GZIP, it's not very complicated
and does not need any new properties. Currently I'm using a commercial
zlib function, but I used DelphiGzip in the past.
But most important, any changes must be fully backward compatible, I
don't want my application raising an exception when a gzip page
arrives, since I'm already handling it.
Angus
HeaderData
if Field = 'content-encoding' then tencode [item] := Data ;
RequestDone
// see if need to uncompress HTML page
if Lowercase (tencode [item]) = 'gzip' then
begin
// use VclZip stream version
TempStream := TMemoryStream.Create ;
TempStream.LoadFromStream (tconstream [item]) ;
TMemoryStream (tconstream [item]).Clear ;
VCLUnZip.ZLibDecompressStream (TempStream,
TMemoryStream (tconstream [item]), true) ;
TempStream.Free ;
end ;
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