lunaix-os/scripts/build-tools/integration/config_io.py

   1 from lcfg.api import ConfigIOProvider
   2 from lcfg.utils import is_basic
   3
   4 import re
   5
   6 class CHeaderConfigProvider(ConfigIOProvider):
   7     def __init__(self, header_save,
   8                  header_prefix="CONFIG_") -> None:
   9         self.__header_export = header_save
  10         self.__prefix = header_prefix
  11         self.__re = re.compile(r"^[A-Za-z0-9_]+$")
  12
  13     def export(self, env, config_dict):
  14         lines = []
  15         for k, v in config_dict.items():
  16             result = [ "#define" ]
  17             s = str.upper(k)
  18             s = f"{self.__prefix}{s}"
  19
  20             if isinstance(v, str) and self.__re.match(v):
  21                 s = f"{s}_{str.upper(v)}"
  22                 v = ""
  23
  24             result.append(s)
  25
  26             v = self.serialize_value(v)
  27             if v is None or v is False:
  28                 result.insert(0, "//")
  29             else:
  30                 result.append(v)
  31
  32             lines.append(" ".join(result))
  33
  34         with open(self.__header_export, 'w') as f:
  35             f.write("\n".join(lines))
  36
  37
  38     def serialize_value(self, v):
  39         if v is None:
  40             return None
  41
  42         if isinstance(v, bool):
  43             return v
  44
  45         if v and isinstance(v, str):
  46             return f'"{v}"'
  47
  48         if is_basic(v):
  49             return str(v)
  50
  51         raise ValueError(
  52                 f"serialising {type(v)}: not supported")