Move parsing of colors fully into C

Uses a perfect hash function for color name lookup

Author: kovidgoyal

.gitattributes

@@ -11,6 +11,7 @@ kitty/rgb.py linguist-generated=true
 kitty/srgb_gamma.* linguist-generated=true
 kitty/gl-wrapper.* linguist-generated=true
 kitty/glfw-wrapper.* linguist-generated=true
+kitty/color-names.h linguist-generated=true
 kitty/parse-graphics-command.h linguist-generated=true
 kitty/parse-multicell-command.h linguist-generated=true
 kitty/options/types.py linguist-generated=true

docs/conf.py

@@ -300,15 +300,15 @@ def write_cli_docs(all_kitten_names: Iterable[str]) -> None:
 
 
 def write_color_names_table() -> None: # {{{
-    from kitty.rgb import color_names
+    from kitty.fast_data_types import all_color_names
     def s(c: Any) -> str:
         return f'{c.red:02x}/{c.green:02x}/{c.blue:02x}'
     with open('generated/color-names.rst', 'w') as f:
         p = partial(print, file=f)
         p('=' * 50, '=' * 20)
         p('Name'.ljust(50), 'RGB value')
         p('=' * 50, '=' * 20)
-        for name, col in color_names.items():
+        for name, col in all_color_names():
             p(name.ljust(50), s(col))
         p('=' * 50, '=' * 20)
 # }}}

gen/__main__.py

@@ -34,6 +34,9 @@ def main(args: list[str]=sys.argv) -> None:
     elif which == 'cursors':
         from gen.cursors import main
         main(args)
+    elif which == 'color-names':
+        from gen.color_names import main
+        main(args)
     else:
         raise SystemExit(f'Unknown which: {which}')