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if not modules then modules = { } end modules ['node-cmp'] = {
version = 1.001,
comment = "companion to node-ini.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- This is a LuaTeX compatibility module. The code below is no longer
-- present in node-met or node-aux. These functions are rarely used.
if node.count then
return
end
local type = type
local node = node
local direct = node.direct
local todirect = direct.tovaliddirect
local tonode = direct.tonode
local count = direct.count
local length = direct.length
local slide = direct.slide
function node.count(id,first,last)
return count(id,first and todirect(first), last and todirect(last) or nil)
end
function node.length(first,last)
return length(first and todirect(first), last and todirect(last) or nil)
end
function node.slide(n)
if n then
n = slide(todirect(n))
if n then
return tonode(n)
end
end
return nil
end
local hyphenating = direct.hyphenating
local ligaturing = direct.ligaturing
local kerning = direct.kerning
-- kind of inconsistent
function node.hyphenating(first,last)
if first then
local h, t = hyphenating(todirect(first), last and todirect(last) or nil)
return h and tonode(h) or nil, t and tonode(t) or nil, true
else
return nil, false
end
end
function node.ligaturing(first,last)
if first then
local h, t = ligaturing(todirect(first), last and todirect(last) or nil)
return h and tonode(h) or nil, t and tonode(t) or nil, true
else
return nil, false
end
end
function node.kerning(first,last)
if first then
local h, t = kerning(todirect(first), last and todirect(last) or nil)
return h and tonode(h) or nil, t and tonode(t) or nil, true
else
return nil, false
end
end
local protectglyph = direct.protectglyph
local unprotectglyph = direct.unprotectglyph
local protectglyphs = direct.protectglyphs
local unprotectglyphs = direct.unprotectglyphs
function node.protectglyphs(first,last)
protectglyphs(todirect(first), last and todirect(last) or nil)
end
function node.unprotectglyphs(first,last)
unprotectglyphs(todirect(first), last and todirect(last) or nil)
end
function node.protectglyph(first)
protectglyph(todirect(first))
end
function node.unprotectglyph(first)
unprotectglyph(todirect(first))
end
local flattendiscretionaries = direct.flattendiscretionaries
local checkdiscretionaries = direct.checkdiscretionaries
local checkdiscretionary = direct.checkdiscretionary
function node.flattendiscretionaries(first)
local h, count = flattendiscretionaries(todirect(first))
return tonode(h), count
end
function node.checkdiscretionaries(n) checkdiscretionaries(todirect(n)) end
function node.checkdiscretionary (n) checkdiscretionary (todirect(n)) end
local hpack = direct.hpack
local vpack = direct.vpack
local mlisttohlist = direct.mlisttohlist
function node.hpack(head,...)
local h, badness = hpack(head and todirect(head) or nil,...)
return tonode(h), badness
end
function node.vpack(head,...)
local h, badness = vpack(head and todirect(head) or nil,...)
return tonode(h), badness
end
function node.mlisttohlist(head,...)
return tonode(mlisttohlist(head and todirect(head) or nil,...))
end
local endofmath = direct.endofmath
local findattribute = direct.findattribute
local firstglyph = direct.firstglyph
function node.endofmath(n)
if n then
n = endofmath(todirect(n))
if n then
return tonode(n)
end
end
return nil
end
function node.findattribute(n,a)
if n then
local v, n = findattribute(todirect(n),a)
if n then
return v, tonode(n)
end
end
return nil
end
function node.firstglyph(first,last)
local n = firstglyph(todirect(first), last and todirect(last) or nil)
return n and tonode(n) or nil
end
local dimensions = direct.dimensions
local rangedimensions = direct.rangedimensions
local effectiveglue = direct.effectiveglue
function node.dimensions(a,b,c,d,e)
if type(a) == "userdata" then
a = todirect(a)
if type(b) == "userdata" then
b = todirect(b)
end
return dimensions(a,b)
else
d = todirect(d)
if type(e) == "userdata" then
e = todirect(e)
end
return dimensions(a,b,c,d,e)
end
return 0, 0, 0
end
function node.rangedimensions(parent,first,last)
return rangedimenensions(todirect(parent),todirect(first),last and todirect(last))
end
function node.effectiveglue(list,parent)
return effectiveglue(list and todirect(list) or nil,parent and todirect(parent) or nil)
end
local usesfont = direct.usesfont
local hasglyph = direct.hasglyph
local protrusionskippable = direct.protrusionskippable
function node.usesfont (n,f) return usesfont(todirect(n),f) end
function node.hasglyph (n) return hasglyph(todirect(n)) end
function node.protrusionskippable(n) return protrusionskippable(todirect(n)) end
local makeextensible = direct.make_extensible
local lastnode = direct.lastnode
function node.makeextensible(...) local n = makeextensible(...) return n and tonode(n) or nil end
function node.lastnode () local n = lastnode() return n and tonode(n) or nil end
local iszeroglue = direct.iszeroglue
local getglue = direct.getglue
local setglue = direct.setglue
function node.iszeroglue(n) return iszeroglue(todirect(n)) end
function node.getglue (n) return getglue (todirect(n)) end
function node.setglue (n,...) return setglue (todirect(n),...) end
node.family_font = tex.getfontoffamily
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