if not modules then modules = { } end modules ['mtx-bibtex'] = {
    version   = 1.002,
    comment   = "this script is part of publication support",
    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
    copyright = "PRAGMA ADE",
    license   = "see context related readme files"
}

local helpinfo = [[
<?xml version="1.0"?>
<application>
 <metadata>
  <entry name="name">mtx-bibtex</entry>
  <entry name="detail">bibtex helpers</entry>
  <entry name="version">1.00</entry>
 </metadata>
 <flags>
  <category name="basic">
   <subcategory>
    <flag name="toxml"><short>convert bibtex database(s) to xml</short></flag>
    <flag name="tolua"><short>convert bibtex database(s) to lua</short></flag>
   </subcategory>
  </category>
 </flags>
 <examples>
  <category>
   <title>Example</title>
   <subcategory>
    <example><command>mtxrun --script bibtex --tolua bibl-001.bib</command></example>
    <example><command>mtxrun --script bibtex --tolua --simple bibl-001.bib</command></example>
    <example><command>mtxrun --script bibtex --toxml bibl-001.bib bibl-002.bib bibl-003.bib biblio.xml</command></example>
   </subcategory>
  </category>
 </examples>
</application>
]]

local application = logs.application {
    name     = "mtx-bibtex",
    banner   = "bibtex helpers",
    helpinfo = helpinfo,
}

local report = application.report

require("publ-dat")

scripts        = scripts        or { }
scripts.bibtex = scripts.bibtex or { }

function scripts.bibtex.toxml(files)
    local instance = bibtex.new()
    local target   = "mtx-bibtex-output.xml"
    for i=1,#files do
        local filename = files[i]
        local filetype = file.suffix(filename)
        if filetype == "xml" then
            target = filename
        elseif filetype == "bib" then
            bibtex.load(instance,filename)
        else
            -- not supported
        end
    end
    bibtex.converttoxml(instance,true)
    instance.shortcuts = nil
    instance.luadata   = nil
    xml.save(instance.xmldata,target)
end

function scripts.bibtex.tolua(files)
    local instance = bibtex.new()
    local target = "mtx-bibtex-output.lua"
    for i=1,#files do
        local filename = files[i]
        local filetype = file.suffix(filename)
        if filetype == "lua" then
            target = filename
        elseif filetype == "bib" then
            bibtex.load(instance,filename)
        else
            -- not supported
        end
    end
    instance.shortcuts = nil
    instance.xmldata   = nil
    bibtex.analyze(instance)
    if environment.arguments.simple then
        table.save(target,instance)
    else
        table.save(target,instance.luadata)
    end
end

if environment.arguments.toxml then
    scripts.bibtex.toxml(environment.files)
elseif environment.arguments.tolua then
    scripts.bibtex.tolua(environment.files)
elseif environment.arguments.exporthelp then
    application.export(environment.arguments.exporthelp,environment.files[1])
else
    application.help()
end

-- scripts.bibtex.toxml { "tugboat.bib" }
-- scripts.bibtex.tolua { "tugboat.bib" }