Re: Running mtxrun in a continuous batch mode

[Hans Hagen <j.hagen@xs4all.nl>]

On 11/3/2020 1:55 AM, Ramkumar KB wrote:
> Hello,
> 
> I am trying to run mtxrun in a batch process and read the available 
> documentation here - 
> https://wiki.contextgarden.net/Running_ConTeXt_without_a_shell
> 
> My usecase is being able to create PDF docs based on the input data that 
> comes in a JSON format (in a continuous batch process). In ConTeXt, 
> thanks to the Lua engine, I am able to inject a JSON read from a file - 
> and use the JSON in the tex file (here variable `tab` holds the JSON).
> 
> How do I make this as a continuous webservice - in comes JSON and out 
> comes the PDF ?
> 
> \startluacode
> require("test-json")
> \stopluacode
> 
> The name of the document is \ctxlua{tex.print(tab['documentName'])}
> 
> Any tips or pointers would be much appreciated.
foo.cld :

require("util-jsn")

-- local str = io.loaddata("somefile.json")

local str = [[ {
     "title": "Some JSON",
     "text" : "Just an example.",
     "data" : [
         { "a" : "first 1", "b" : "last 1" },
         { "b" : "last 2", "a" : "first 2" }
     ]
} ]]

local tmp = utilities.json.tolua(str)

context.starttext()

     context.starttitle { title = tmp.title }

         context(tmp.text) context.par()

         context.starttabulate { "|c|c|" }
             for i=1,#tmp.data do
                 local d = tmp.data[i]
                 context.NC()
                     context(d.a) context.NC()
                     context(d.b) context.NC()
                 context.NR()
             end
         context.stoptabulate()

     context.stoptitle()

context.stoptext()

and then

context foo.cld


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