Mail Archives: geda-user/2016/01/11/01:35:33
Milan Prochac (milan AT prochac DOT sk) [via geda-user AT delorie DOT com] wrote:
> After reading long discussions about the new PCB file format I tried
> to implement support for multiple file formats.
>
> You can download it here:
> http://static.bastl.sk/pcb/Modular-file-formats.gz It is also
> available on launchpad: https://bugs.launchpad.net/pcb/+bug/1532611
>
> The patch implements modular system to support multiple PCB file
> formats. Attached is also the template of the file-format plugin with
> instructions.
>
> The patch is not too big, but it touches various parts of PCB, so it
> is possible that some corner cases are not handled properly. Comments
> and bug reports are welcome.
>
> The modular system utilizes existing plugin system; new type of plugin
> is added to support various file formats. This approach allows
> implementation of additional file formats as independent shared
> library with minimal effort. The whole implementation of new file
> format is reduced to serialization and de-serialization of PCBType
> data structure, no PCB tweaking is necessary. The template with
> instructions is provided, as mentioned above.
>
> - modular system is available for all layout operations (Load, Save,
> Save As, Load to buffer, Revert, auto-backup); the element operations
> will be added later.
> - action "SaveTo(LayoutAs..." was extended by 3rd argument, specifying
> file format; if omitted, current (or default) format is used
> - GUI (GTK only at the moment) was adjusted to allow select file
> format; for "save" operations it specifies desired format, for "open"
> operations it is used as filter
> - file format is detected automatically by modular framework
> - the versioning system (based on PCB file version #defines) is
> available - each plugin should confirm it's capability to save data of
> required version (like 20110603); if not, the file format cannot be used
> - load-only and save-only formats are supported. If save-only format
> is used, the layout is not marked as "saved".
> - the current PCB format is converted to built-in plugin.
>
> With this enhancement it should be very easy to implement new file
> formats. If more of them will be available, the most successful can
> become new standard PCB format and - hopefully - the data model
> modifications will be not blocked by hard-to-extend file format
> anymore...
>
> Regards
> Milan
>
Hi Milan,
Your file formats patch is now pushed to "home/bert/LP1532611" for review.
Thanks and kind regards,
Bert Timmerman.
- Raw text -