Re: gEDA-dev: New diagram (attempt at UML)

[Steve Meier <smeier-at-NOSPAMalchemyresearch_dot_com>]

This is a non-object oriented version, c straight no ice.

struct st_object {
  char obj_type;  // defined in o_types.h

  int reference_count;

  union {
    ARC           *arc;
    BOX           *box;
    BUSRIPPER     *busripper;
    CIRCLE        *circle;
    COMPLEX       *complex;
    CONN          *connector;
    GEDA_VERSION  *version;
    LINE          *line;
    PLACEHOLDER   *placeholder;
    PICTURE       *picture;
    PIN           *pin;
    SEGMENT       *segment;
    TEXT          *text;
  } data;


  BOOL selected;            // object selected flag
  BOOL visible;
  BOOL locked;
 
  BOOL hierarchy_is_disabled;

  // attributes from symbol files
  GList *sym_attribs;

  // attributes from schematic files
  GList *sch_attribs;
};


Steve Meier wrote:
> Peter,
>
> For the attributes, the tend to be associated with what is currently an
> OBJECT structure (which is the equivelent of your complex). In my
> version of OBJECT, I establish two lists for attributes. The first are
> attributes which come from a symbol file. The second, are where an
> attribute is added at the schematic level, but still attached to an
> instance of an OBJECT.
>
> This makes it easy for me to ask an OBJECT do you have schematic level
> attribute of "refdes"? what is it's text value? Or do you have a symbol
> level attribute of "net" and what is its value?
>
> Pins and Segments (bus or net) can inherit from Line, but a COMPLEX has
> to maintain a list of PINs. In my book as does a Net or a Bus. I also
> have seperated busrippers as a different class from complex objects.
> WHy? well I expect the busripper to have behaviors that I don't expect
> from a complex.
>
> Steve Meier
>
>
> Peter Clifton wrote:
>   
>> Hi,
>>
>> Here is a diagram in which I've tried to use UML to improve the clarity
>> of the ideas presented before. I'm new to UML, so please shout if it
>> looks like I'm using it wrong.
>>
>> Regards,
>>
>>   
>> ------------------------------------------------------------------------
>>
>>
>>
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>>   
>>     
>
>
>
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>   



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