From 267170167d52cab9e97f879d9127a1cf04f6bb58 Mon Sep 17 00:00:00 2001
From: Martin Peach <mrpeach@users.sourceforge.net>
Date: Tue, 15 Mar 2011 20:53:57 +0000
Subject: This is a version of Claude Heiland-Allen's lua for Pd. The objects
 are named pdlua and pdluax instead of lua and luax. So far it seems to work
 on linux.

svn path=/trunk/externals/pdlua/; revision=15030
---
 examples/list-pak.pd_lua | 56 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 examples/list-pak.pd_lua

(limited to 'examples/list-pak.pd_lua')

diff --git a/examples/list-pak.pd_lua b/examples/list-pak.pd_lua
new file mode 100644
index 0000000..1651582
--- /dev/null
+++ b/examples/list-pak.pd_lua
@@ -0,0 +1,56 @@
+--[[ 
+
+list-pak
+    
+    Like [pack] for any kind of type. Argument specifies number of inlets. All
+    inlets are hot (as in Max' [pak])
+
+    --Written by Frank Barknecht 
+
+--]]
+
+-- Some footils --
+
+-- selectors
+local selectors = {"float", "list", "symbol", "bang", "pointer"}
+
+-- check if item x is in table t:
+local function contains(t, x)
+  for _,v in ipairs(t) do
+    if v == x then return true end
+  end
+  return false
+end
+
+-- Pd class
+
+local ListPak = pd.Class:new():register("list-pak")
+
+function ListPak:initialize(name, atoms)
+    self.outlets = 1
+    self.stored = {}
+    if atoms[1] == nil then 
+        self.inlets = 1
+    elseif type(atoms[1]) == "number" and atoms[1] >= 0 then
+        self.inlets = math.max(atoms[1], 1)
+    else
+        pd.post("list-pak: First arg must be a positive float or empty")
+        return false
+    end
+    for i=1,self.inlets do
+        table.insert(self.stored, 0)
+    end
+    return true
+end
+
+function ListPak:in_n(i, sel, atoms)
+    if not contains(selectors, sel) then
+        -- insert selector
+        self.stored[i] =  sel
+    else
+        if table.getn(atoms) > 0 then
+            self.stored[i] =  atoms[1]
+        end
+    end
+    self:outlet(1, "list", self.stored)
+end
-- 
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