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-- tolua: abstract feature class
-- Written by Waldemar Celes
-- TeCGraf/PUC-Rio
-- Jul 1998
-- $Id: feature.lua,v 1.1 2009-07-09 13:44:43 fabraham Exp $
-- 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.
-- Feature class
-- Represents the base class of all mapped feature.
classFeature = {
}
classFeature.__index = classFeature
-- write support code
function classFeature:supcode ()
end
-- output tag
function classFeature:decltype ()
end
-- register feature
function classFeature:register ()
end
-- translate verbatim
function classFeature:preamble ()
end
-- check if it is a variable
function classFeature:isvariable ()
return false
end
-- checi if it requires collection
function classFeature:requirecollection (t)
return false
end
-- build names
function classFeature:buildnames ()
if self.name and self.name~='' then
local n = split(self.name,'@')
self.name = n[1]
if not n[2] then
n[2] = applyrenaming(n[1])
end
self.lname = n[2] or gsub(n[1],"%[.-%]","")
end
self.name = getonlynamespace() .. self.name
end
-- check if feature is inside a container definition
-- it returns the container class name or nil.
function classFeature:incontainer (which)
if self.parent then
local parent = self.parent
while parent do
if parent.classtype == which then
return parent.name
end
parent = parent.parent
end
end
return nil
end
function classFeature:inclass ()
return self:incontainer('class')
end
function classFeature:inmodule ()
return self:incontainer('module')
end
function classFeature:innamespace ()
return self:incontainer('namespace')
end
-- return C binding function name based on name
-- the client specifies a prefix
function classFeature:cfuncname (n)
if self.parent then
n = self.parent:cfuncname(n)
end
if self.lname and
strsub(self.lname,1,1)~="." -- operator are named as ".add"
then
return n..'_'..self.lname
else
return n..'_'..self.name
end
end
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