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%D \module
%D [ file=m-json,
%D version=2022.04.11, % 2012.08.03,
%D title=\CONTEXT\ Modules,
%D subtitle=Json,
%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.
\startmodule [json]
\registerctxluafile{util-jsn}{}
\registerctxluafile{util-tbs}{}
% \def\u#1#2#3#4{\cldcontext{utf.char(0x#1#2#3#4)}}
\startluacode
local tablestore = utilities.tablestore
local field = tablestore.field
interfaces.implement {
name = "loadtable",
actions = tablestore.load,
arguments = { "optional", "optional" },
public = true,
protected = true,
}
interfaces.implement {
name = "tablefield",
actions = function(namespace,name)
local data = field(namespace,name)
if data then
context(data)
end
end,
arguments = "2 arguments",
public = true,
protected = true,
}
interfaces.implement {
name = "tablefielddefault",
actions = function(namespace,name,default)
local data = field(namespace,name,default)
if data then
context(data)
end
end,
arguments = "3 arguments",
public = true,
}
local replace = lpeg.replacer("@","%%")
local lpegmatch = lpeg.match
interfaces.implement {
name = "tableformatted",
actions = function(namespace,name,fmt)
local data = field(namespace,name)
if data then
context(lpegmatch(replace,fmt),data)
end
end,
arguments = "3 arguments",
public = true,
}
interfaces.implement {
name = "tablelength",
actions = { tablestore.length, context },
arguments = "2 arguments",
public = true,
}
utilities.json.field = tablestore.field
utilities.json.loaded = tablestore.loaded
utilities.json.length = tablestore.length
\stopluacode
\let\loadjsonfile \loadtable
\let\jsonfield \tablefield
\let\jsonfielddefault \tablefielddefault
\let\jsonlength \tablelength
\stopmodule
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