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-- tolua: abstract feature class
-- Written by Waldemar Celes
-- TeCGraf/PUC-Rio
-- Jul 1998
-- $Id: $
-- 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 (pre)
end
-- translate verbatim
function classFeature:preamble ()
end
-- check if it is a variable
function classFeature:isvariable ()
return false
end
-- check 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]
self.name = string.gsub(self.name, ":%d*$", "")
if not n[2] then
n[2] = applyrenaming(n[1])
end
self.lname = n[2] or gsub(n[1],"%[.-%]","")
self.lname = string.gsub(self.lname, ":%d*$", "")
self.original_name = self.name
self.lname = clean_template(self.lname)
end
if not self.is_parameter then
self.name = getonlynamespace() .. self.name
end
local parent = classContainer.curr
if parent then
self.access = parent.curr_member_access
self.global_access = self:check_public_access()
else
end
end
function classFeature:check_public_access()
if type(self.global_access) == "boolean" then
return self.global_access
end
if self.access and self.access ~= 0 then
return false
end
local parent = classContainer.curr
while parent do
if parent.access and parent.access ~= 0 then
return false
end
parent = parent.prox
end
return true
end
function clean_template(t)
return string.gsub(t, "[<>:, %*]", "_")
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
local fname = self.lname
if not fname or fname == '' then
fname = self.name
end
n = string.gsub(n..'_'.. (fname), "[<>:, %.%*&]", "_")
return n
end
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