Erik Hofman wrote:
Boris Koenig wrote:
I have now looked into dozens of source files, but I don't seem to be
able to find those files that are responsible for the XML handling,
respectively loading & parsing the PropertyList XML files, so I
apologize in advance, but: what's the name of the classes that are used
or rather where do I have to look for this stuff ?
(I simply want to use FG's XML-handling capabilities for a specific
function)
Do you want to parse XML yourself, or rather read an XML file into a
property tree?
XML : SimGear/simgear/xml/easyxml.?xx
Property Tree: SimGear/simgear/props/props_io.?xx
Hi Erik !
I have meanwhile looked into the these files - should have
known that this SimGear-specific and not FG stuff, though ;-)
However, there are two new issues:
1) While it wasn't a real problem to use easyxml.cxx's "readXML"
to simply copy a XML file's structure to a particular node
within the property tree, there doesn't seem to exist a
similar wrapper for WRITING XML files within easyxml.cxx -
something like writeXML :-)
I have made a quick stab at it, but to be honest it doesn't
yet really work - anyway, is there going to be a simple
XML wrapper for writing added, or do you want me to
put that class into the fg_commands.hxx ?
2) While I as able to place a simple fgcommand within
the fg_command.cxx file and added it to the array of
commands at the end of the file, my impression is
that I can only pass ONE parameter to any FGCOMMAND ?
So, for the dynamic menubar it wasn't really a problem,
because it only accepts a SGPropertyNode pointer, anyway.
But what I'd like to do now, is export to commands from
within fg_command that accept the parameters like stated
before:
fgWriteXML(SGPropertyNode * sourcepath,char* targetfilename);
fgReadXML(SGPropertyNode * targetpath,char* sourcefilename);
So, how exactly can I export a fgcommand that accepts these
parameters ?
Or is the only feasible way to copy the filename to another
node within the property tree node, and simply pass both
bits of information as ONE property tree ?
P.S.: I did read the commend in the fg_command.cxx files
about modules that can add new commands using:
globals->getcommands()->addcom ...
Is there some standard loop to do exactly this for
NON-modules ? Or is using the array at the end of
the file, the best way ?
Thanks !
---------
Boris
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