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%D \module
%D [ file=setups-macros,
%D version=2018.01.15,
%D title=\CONTEXT\ Setup Definitions,
%D subtitle=Macro Properties,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
\startluacode
local find = string.find
local gsub = string.gsub
local topattern = string.topattern
local concat = table.concat
local sort = table.sort
local sortedkeys = table.sortedkeys
local sortedhash = table.sortedhash
local getmacro = tokens.getters.macro
local gethash = tex.hashtokens
local lpegmatch, P, R, C, S = lpeg.match, lpeg.P, lpeg.R, lpeg.C, lpeg.S
local macros = interfaces.macros or { }
interfaces.macros = macros
local hashtable = nil
-- table.save("temp.lua",gethash())
local prefix = P("??")
local initial = R("09")^1 * P(">")
local name = C(R("az","AZ") * (R("az","AZ","09")+S(" "))^0)
local parent = P(":parent")
local eos = P(-1)
local pattern1 = initial^0
* name
* parent^0
* eos
local pattern2 = prefix
* name
* eos
local pattern3 = C(initial^1)
* name
* parent^1 -- so no e.g. measure here
* eos
local function reload()
hashtable = gethash()
sort(hashtable)
end
interfaces.macros.reload = reload
function interfaces.macros.instances(str)
local namespace = getmacro("??"..str)
if namespace then
local found = { }
local pattern = P(namespace) * pattern1
if not hashtable then
reload()
end
for i=1,#hashtable do
local hi = hashtable[i]
local pi = lpegmatch(pattern,hi)
if pi then
found[pi] = true
end
end
return sortedkeys(found)
end
end
function interfaces.macros.namespaces()
local found = { }
if not hashtable then
reload()
end
for i=1,#hashtable do
local hi = hashtable[i]
local pi = lpegmatch(pattern2,hi)
if pi then
found[pi] = true
end
end
return sortedkeys(found)
end
function interfaces.macros.allinstances()
local found = { }
local reverse = { }
local all = { }
if not hashtable then
reload()
end
for i=1,#hashtable do
local hi = hashtable[i]
local pi = lpegmatch(pattern2,hi)
if pi then
found[pi] = true
reverse[getmacro("??"..pi)] = pi
end
end
for i=1,#hashtable do
local hi = hashtable[i]
local ni, pi = lpegmatch(pattern3,hi)
if ni and pi then
local ri = reverse[ni]
if ri and found[ri] then
local a = all[ri]
if a then
a[pi] = true
else
all[ri] = { [pi] = true }
end
end
end
end
return all
end
function interfaces.macros.collect(str)
local asked = gsub(str,"^\\","")
local found = { }
local pattern = "^" .. topattern(asked) .. "$"
if not hashtable then
reload()
end
for i=1,#hashtable do
local hi = hashtable[i]
if find(hi,pattern) then
found[hi] = true
end
end
return sortedkeys(found)
end
function commands.getinstances(str,separator)
local i = interfaces.macros.instances(str)
if i then
context(concat(i,separator or ", "))
end
end
function commands.getnamespaces(separator)
local i = interfaces.macros.namespaces()
if i then
context(concat(i,separator or ", "))
end
end
function commands.showallinstances()
local i = interfaces.macros.allinstances()
if i then
local ctxcmd = context.showoneinstance
for k, v in sortedhash(i) do
ctxcmd(k,concat(sortedkeys(v),", "))
end
end
end
\stopluacode
\unprotect
\def\getinstances #1{\ctxlua{commands.getinstances("#1")}} % expandable
\def\getnamespaces {\ctxlua{commands.getnamespaces()}} % expandable
\unexpanded\def\showoneinstance#1#2%
{\begingroup
\hangindent\emwidth
\hangafter\plusone
\veryraggedright
\dontleavehmode
\ttbf#1:\space
\tttf#2\par
\endgroup}
\unexpanded\def\showallinstances
{\ctxlua{commands.showallinstances()}}
\protect
\continueifinputfile{s-setups-macros.mkiv}
\usemodule[art-01]
\starttext
% \getinstances{measure} \page
% \getinstances{framed} \page
% \getinstances{layout} \page
%
% \getnamespaces \page
\showallinstances
\stoptext
|
