init

sdk/tolua++/lua/enumerate.lua

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+-- tolua: enumerate class
+-- Written by Waldemar Celes
+-- TeCGraf/PUC-Rio
+-- Jul 1998
+-- $Id: enumerate.lua 1004 2006-02-27 13:03:20Z lindquist $
+
+-- This code is free software; you can redistribute it and/or modify it.
+-- The software provided hereunder is on an "as is" basis, and
+-- the author has no obligation to provide maintenance, support, updates,
+-- enhancements, or modifications.
+
+
+-- Enumerate class
+-- Represents enumeration
+-- The following fields are stored:
+--    {i} = list of constant names
+classEnumerate = {
+}
+classEnumerate.__index = classEnumerate
+setmetatable(classEnumerate,classFeature)
+
+-- register enumeration
+function classEnumerate:register (pre)
+ pre = pre or ''
+ local nspace = getnamespace(classContainer.curr)
+ local i=1
+ while self[i] do
+  output(pre..'tolua_constant(tolua_S,"'..self.lnames[i]..'",'..nspace..self[i]..');')
+  i = i+1
+ end
+end
+
+-- Print method
+function classEnumerate:print (ident,close)
+ print(ident.."Enumerate{")
+ print(ident.." name = "..self.name)
+ local i=1
+ while self[i] do
+  print(ident.." '"..self[i].."'("..self.lnames[i].."),")
+  i = i+1
+ end
+ print(ident.."}"..close)
+end
+
+-- Internal constructor
+function _Enumerate (t,varname)
+ setmetatable(t,classEnumerate)
+ append(t)
+ appendenum(t)
+	 if varname and varname ~= "" then
+		if t.name ~= "" then
+			Variable(t.name.." "..varname)
+		else
+			local ns = getcurrnamespace()
+			warning("Variable "..ns..varname.." of type <anonymous enum> is declared as read-only")
+			Variable("tolua_readonly int "..varname)
+		end
+	end
+return t
+end
+
+-- Constructor
+-- Expects a string representing the enumerate body
+function Enumerate (n,b,varname)
+	b = string.gsub(b, ",[%s\n]*}", "\n}") -- eliminate last ','
+ local t = split(strsub(b,2,-2),',') -- eliminate braces
+ local i = 1
+ local e = {n=0}
+ while t[i] do
+  local tt = split(t[i],'=')  -- discard initial value
+  e.n = e.n + 1
+  e[e.n] = tt[1]
+  i = i+1
+ end
+ -- set lua names
+ i  = 1
+ e.lnames = {}
+ local ns = getcurrnamespace()
+ while e[i] do
+  local t = split(e[i],'@')
+  e[i] = t[1]
+		if not t[2] then
+		 t[2] = applyrenaming(t[1])
+		end
+  e.lnames[i] = t[2] or t[1]
+  _global_enums[ ns..e[i] ] = (ns..e[i])
+  i = i+1
+ end
+	e.name = n
+	if n ~= "" then
+		Typedef("int "..n)
+	end
+ return _Enumerate(e, varname)
+end
+