[fpc-devel] FPDoc improvements

[Hans-Peter Diettrich]

Unfortunately I managed to supply the EasyImports.patch twice, please 
drop Mantis #21168 as a dupe of #21167. Sorry for the inconvenience :-(

Starting with this patch I suggest further improvements of fpdoc. Except 
for the RTL docs, which require a couple of special compiler options for 
every input file, a package project can be shrunk essentially to the 
specification of these options:
--package the package name
--imports a list of related packages
--input-dir containing all source files
--descr-dir containing all XML files
--output-dir where the output files are created
--format the document format

Until now every --format requires special --output and --import values, 
what IMO is not really required. The backend can create an standard 
output filename, given only an output directory, e.g. 
<output-dir>/<package-name>.chm. When the content files reside in that 
directory, the content and import specifications can be created by the 
backend as well, e.g. <output-dir>/<package-name>.xct. In addition to 
the supplied patch, a new --imports option can accept a list of packages 
to import, e.g. --imports=rtl,fcl.

The already existing --input-dir option should be extended by compiler 
options, applied to every source file. Several solutions are possible, 
e.g. for the FCL with an explicit file list an additional 
--input-options option could specify the common compiler options. For 
packages with a simpler source directory structure it would be 
sufficient to specify e.g. --input-dir="../lcl,-Fi../lcl/include" or, 
also applicable to the FCL, --inputs="@input.lst,-Fi../../include". 
Which solution looks the best to you?


These improvements will allow to reduce e.g. the command to build the 
LCL documentation to:

fpdoc --package=lcl --inputs=../lcl,-Fi../lcl/include 
--descr-dir=xml/lcl --imports=rtl,fcl --output-dir=/wherever --format=html

For building e.g. CHM docs only the --format options has to be changed 
as required.

I can supply another patch, if you like, covering above updates.

DoDi