[Piglit] [PATCH v2 1/3] piglit-util-gl: Add piglit_get_gl_enum_from_name

[Jordan Justen]

On 2015-02-23 13:55:50, Ilia Mirkin wrote:
> On Mon, Feb 23, 2015 at 4:15 PM, Jordan Justen
> <jordan.l.justen at intel.com> wrote:
> > On 2015-02-23 10:43:45, Ilia Mirkin wrote:
> >> On Mon, Feb 23, 2015 at 1:23 PM, Jordan Justen
> >> <jordan.l.justen at intel.com> wrote:
> >> > +    @classmethod
> >> > +    def get_enums_by_name_in_default_namespace(cls, gl_registry):
> >> > +        def append_enum_if_new_value(enum_list, enum):
> >> > +            if enum_list[-1].name != enum.name:
> >> > +                enum_list.append(enum)
> >> > +            return enum_list
> >> > +
> >> > +        enums = (
> >> > +            enum
> >> > +            for enum_group in gl_registry.enum_groups
> >> > +            if enum_group.type == 'default_namespace'
> >> > +            for enum in enum_group.enums
> >> > +        )
> >> > +        enums = sorted(enums, key=lambda enum: enum.name)
> >> > +        enums = reduce(append_enum_if_new_value, enums[1:], [enums[0]])
> >> > +        return enums
> >>
> >> I know you're just copying the other function...
> >
> > Yes, I was trying to be lazy. :) Apparently this code is a little more
> > complex than in needs to be, so I'll try a v3.
> >
> >> what you really want
> >> though is a map from enum name to the enum id. Why not just generate
> >> that and avoid the complication?
> >
> > I don't think a dict is too helpful, since it needs to be sorted and
> > mapped two different ways, and the mapping is not 1:1.
> 
> How so? You want 1 name for each id, and you want 1 id for each name.
> Hypothetically you could have multiple id's with the same name and
> vice-versa, which would suck. But even then a (different) dict for
> each would be sufficient. If you iterate over the dict with sorted,
> that'll get you the keys in sorted order...

Looking at both cases:
1. Sort on enum, map enum to name, discarding duplicate enums
2. Sort on name, map name to enum

Does v3 look reasonable?

Dylan,

Does v3 look better regarding your feedback? (Ie, lose the list
comprehensions...)

-Jordan