1 # formatting.py 2 # Sphinx extension providing formatting for Gallium-specific data 3 # (c) Corbin Simpson 2010 4 # Public domain to the extent permitted; contact author for special licensing 5 6 import docutils.nodes 7 import sphinx.addnodes 8 9 def parse_envvar(env, sig, signode): 10 envvar, t, default = sig.split(" ", 2) 11 envvar = envvar.strip().upper() 12 t = " Type: %s" % t.strip(" <>").lower() 13 default = " Default: %s" % default.strip(" ()") 14 signode += sphinx.addnodes.desc_name(envvar, envvar) 15 signode += sphinx.addnodes.desc_type(t, t) 16 signode += sphinx.addnodes.desc_annotation(default, default) 17 return envvar 18 19 def parse_opcode(env, sig, signode): 20 opcode, desc = sig.split("-", 1) 21 opcode = opcode.strip().upper() 22 desc = " (%s)" % desc.strip() 23 signode += sphinx.addnodes.desc_name(opcode, opcode) 24 signode += sphinx.addnodes.desc_annotation(desc, desc) 25 return opcode 26 27 def setup(app): 28 app.add_description_unit("envvar", "envvar", "%s (environment variable)", 29 parse_envvar) 30 app.add_description_unit("opcode", "opcode", "%s (TGSI opcode)", 31 parse_opcode) 32