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if not modules then modules = { } end modules ['cldf-bas'] = {
version = 1.001,
comment = "companion to cldf-ini.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- -- speedtest needed:
--
-- local flush, writer = context.getlogger()
--
-- trackers.register("context.trace",function(v)
-- flush, writer = context.getlogger()
-- end)
--
-- function context.bgroup()
-- flush(ctxcatcodes,"{")
-- end
--
-- function context.egroup()
-- flush(ctxcatcodes,"}")
-- end
local tonumber = tonumber
local type = type
local format = string.format
local utfchar = utf.char
local concat = table.concat
local context = context
local ctxcore = context.core
local variables = interfaces.variables
local ctx_flushnode = context.nuts.flush
local nuts = nodes.nuts
local tonode = nuts.tonode
local nodepool = nuts.pool
local new_rule = nodepool.rule
local new_glyph = nodepool.glyph
local new_latelua = nodepool.latelua
local setattrlist = nuts.setattrlist
local texgetcount = tex.getcount
local texsetcount = tex.setcount
-- a set of basic fast ones
function context.setfontid(n)
-- isn't there a setter?
context("\\setfontid%i\\relax",n)
end
function context.char(k) -- used as escape too, so don't change to utf
if type(k) == "table" then
local n = #k
if n == 1 then
context([[\char%s\relax]],k[1])
elseif n > 0 then
context([[\char%s\relax]],concat(k,[[\relax\char]]))
end
else
if type(k) == "string" then
k = tonumber(k)
end
if type(k) == "number" then
context([[\char%s\relax]],k)
end
end
end
function context.utfchar(k)
if type(k) == "string" then
k = tonumber(k)
end
if type(k) == "number" then
context(utfchar(k))
end
end
function context.rule(w,h,d,direction)
local rule
if type(w) == "table" then
rule = new_rule(w.width,w.height,w.depth,w.direction)
else
rule = new_rule(w,h,d,direction)
end
setattrlist(rule,true)
context(tonode(rule))
-- ctx_flushnode(tonode(rule))
end
function context.glyph(id,k)
if id then
if not k then
id, k = true, id
end
local glyph = new_glyph(id,k)
setattrlist(glyph,true)
context(tonode(glyph))
-- ctx_flushnode(tonode(glyph))
end
end
-- local function ctx_par () context("\\par") end
-- local function ctx_space() context("\\space") end
local ctx_par = context.cs.par
local ctx_space = context.cs.space
context.par = ctx_par
context.space = ctx_space
ctxcore.par = ctx_par
ctxcore.space = ctx_space
-- local function ctx_bgroup() context("{") end
-- local function ctx_egroup() context("}") end
local ctx_bgroup = context.cs.bgroup
local ctx_egroup = context.cs.egroup
context.bgroup = ctx_bgroup
context.egroup = ctx_egroup
ctxcore.bgroup = ctx_bgroup
ctxcore.egroup = ctx_egroup
-- not yet used ... but will get variant at the tex end as well
local function setboxregister(kind,n)
context(type(n) == "number" and [[\setbox%s\%s]] or [[\setbox\%s\%s]],n,kind)
end
function ctxcore.sethboxregister(n) setboxregister("hbox",n) end
function ctxcore.setvboxregister(n) setboxregister("vbox",n) end
function ctxcore.setvtopregister(n) setboxregister("vtop",n) end
local function startboxregister(kind,n)
context(type(n) == "number" and [[\setbox%s\%s{]] or [[\setbox\%s\%s{]],n,kind)
end
function ctxcore.starthboxregister(n) startboxregister("hbox",n) end
function ctxcore.startvboxregister(n) startboxregister("vbox",n) end
function ctxcore.startvtopregister(n) startboxregister("vtop",n) end
ctxcore.stophboxregister = ctx_egroup
ctxcore.stopvboxregister = ctx_egroup
ctxcore.stopvtopregister = ctx_egroup
function ctxcore.flushboxregister(n)
context(type(n) == "number" and [[\box%s ]] or [[\box\%s]],n)
end
-- function ctxcore.beginhbox() context([[\hbox\bgroup]]) end
-- function ctxcore.beginvbox() context([[\vbox\bgroup]]) end
-- function ctxcore.beginvtop() context([[\vtop\bgroup]]) end
local ctx_hbox = context.cs.hbox
local ctx_vbox = context.cs.vbox
local ctx_vtop = context.cs.vtop
function ctxcore.beginhbox() ctx_hbox() ctx_bgroup() end
function ctxcore.beginvbox() ctx_vbox() ctx_bgroup() end
function ctxcore.beginvtop() ctx_vtop() ctx_bgroup() end
ctxcore.endhbox = ctx_egroup -- \egroup
ctxcore.endvbox = ctx_egroup -- \egroup
ctxcore.endvtop = ctx_egroup -- \egroup
local function allocate(name,what,cmd)
local a = format("c_syst_last_allocated_%s",what)
local n = texgetcount(a) + 1
if n <= texgetcount("c_syst_max_allocated_register") then
texsetcount(a,n)
end
context("\\global\\expandafter\\%sdef\\csname %s\\endcsname %s\\relax",cmd or what,name,n)
return n
end
context.registers = {
-- the number is available directly, the csname after the lua call
newdimen = function(name) return allocate(name,"dimen") end,
newskip = function(name) return allocate(name,"skip") end,
newcount = function(name) return allocate(name,"count") end,
newmuskip = function(name) return allocate(name,"muskip") end,
newtoks = function(name) return allocate(name,"toks") end,
newbox = function(name) return allocate(name,"box","mathchar") end,
-- not really a register but kind of belongs here
newchar = function(name,u) context([[\chardef\%s=%s\relax]],name,u) end,
}
function context.latelua(f)
-- table check moved elsewhere
local latelua = new_latelua(f)
setattrlist(latelua,true) -- will become an option
ctx_flushnode(latelua,true)
end
do
local NC = ctxcore.NC
local BC = ctxcore.BC
local NR = ctxcore.NR
context.nc = setmetatable({ }, {
__call =
function(t,...)
NC()
return context(...)
end,
__index =
function(t,k)
NC()
return context[k]
end,
}
)
function context.bc(...)
BC()
return context(...)
end
function context.nr(...)
NC()
NR()
end
end
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