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---
--- This is file `luabibentry.lua',
--- generated with the docstrip utility.
---
--- The original source files were:
---
--- luabibentry.dtx (with options: `lua')
---
--- Copyright (c) 2012 by Oliver Kopp <oliver.kopp.googlemail.com>
---
--- This file was generated from file(s) of luabibentry distribution.
--- -----------------------------------------------------------------
---
--- This work may be distributed and/or modified under the conditions of
--- the LaTeX Project Public License, version 1.3c of the license.
--- The latest version of this license is in
--- http://www.latex-project.org/lppl.txt
--- and version 1.3c or later is part of all distributions of LaTeX
--- version 2005/12/01 or later.
---
--- This work has the LPPL maintenance status "maintained".
---
--- The Current Maintainer and author of this work is Oliver Kopp.
---
--- This file may only be distributed together with the files listed in
--- `luabibentry.dtx'. You may however distribute the files listed in
--- `luabibentry.dtx' without this file.
---
if (luatexbase and (luatexbase.provides_module)) then
luatexbase.provides_module({
name = "luabibentry",
date = "2012/02/02",
version = "0.1a",
description = "LuaLaTeX Package to Place Bibliography Entries in Text",
author = "Oliver Kopp",
licence = "LPPL v1.3c or later"
})
end
module("luabibentry", package.seeall)
require("lualibs-file")
-- stores all entries
local entries = {}
-- builds the data by reading the given filename
function builddata(filename)
-- Parameters seem to be passed as arrays.
-- We access the first element of the parameter to get the filename
local file = io.open(filename[1], "r")
if file==nil then
texio.write_nl("luabibentry: could not open file " .. filename[1])
return
end
local line = file:read("*line")
while (line~=nil) do
-- \bibitem is our marker for new entries
local i = string.find(line, "\\bibitem")
if i~=nil then
-- we expect the key in brackets in the same line
i = string.find(line,"{")
local lasti = 0
-- we jump to the last bracket
while i~= nil do
lasti = i
i = string.find(line,"{",i+1)
end
local key = string.sub(line, lasti+1)
-- we use the text from the last opening bracket ("{") until
-- the end of the line minus one
-- we expect nothing more to follow in this line
key = string.sub(key, 1, string.len(key)-1)
-- the next lines are the entry
-- we expect an entry to be finished with a blank line
-- (or the end of the file)
line = file:read("*line")
local entry = ""
while (line~=nil) and (line~="") do
entry = entry .. line
line = file:read("*line")
end
-- remove the final dot (if present)
local entryLen = string.len(entry)
local lastChar = string.sub(entry, entryLen, entryLen)
if lastChar == "." then
entry = string.sub(entry, 1, entryLen-1)
end
entries[key]=entry
end
line = file:read("*line")
end
file:close()
end
-- looks up the given key in the entries
-- in case an entry is not found, a bold question mark is printed
function bibentry(key)
local res = entries[key[1]]
if res==nil then
res = "\\textbf{?}"
end
tex.print(res)
end
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