nomsu/lib/plurals.nom
2017-12-14 13:57:53 -08:00

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require "lib/core.nom"
require "lib/secrets.nom"
# Plurals
with secrets:
lua do> ".."
local endings = setmetatable({x="es",c="es",s="es"}, {__index=function() return "s"; end});
secrets.plurals = setmetatable({}, {__index=function(self,key)
return key..endings[key:sub(-1)];
end});
secrets.singulars = setmetatable({}, {__index=function(self,key)
if key:sub(-2) == "es" and rawget(endings, key:sub(-3,-3)) then return key:sub(1,-3); end
if key:sub(-1) == "s" then return key:sub(1,-2); end
return key;
end});
secrets.canonicals = setmetatable({}, {__index=function(self,key)
if key:sub(-1) == "s" then return secrets.singulars[key]; end
return key;
end});
rule [the plural of %singular is %plural] =:
(secret %plurals)->%singular = %plural
(secret %singulars)->%plural = %singular
(secret %canonicals)->%plural = %singular
rule [singular %plural] =:
%plural in (secret %singulars)
rule [plural %singular] =:
%singular in (secret %plurals)
rule [canonicalize %item_name] =:
%item_name in (secret %canonicals)
rule [rules that change plurals] =: ["the plural of % is %"]