1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
local utils = require 'pandoc.utils'
local List = require 'pandoc.List'
local citation_id_set = {}
-- Collect all citation IDs.
function Cite (c)
local cs = c.citations
for i = 1, #cs do
citation_id_set[cs[i].id or cs[i].citationId] = true
end
end
--- Return a list of citation IDs
function citation_ids ()
local citations = {};
for cid, _ in pairs(citation_id_set) do
citations[#citations + 1] = cid
end
return citations
end
function bibdata (bibliography)
function bibname (bibitem)
if type(bibitem) == 'string' then
return bibitem:gsub('%.bib$', '')
else
-- bibitem is assumed to be a list of inlines
return utils.stringify(pandoc.Span(bibitem)):gsub('%.bib$', '')
end
end
local bibs = bibliography.t == 'MetaList'
and List.map(bibliography, bibname)
or {bibname(bibliography)}
return table.concat(bibs, ',')
end
function aux_content(bibliography)
local cites = citation_ids()
table.sort(cites)
local citations = table.concat(cites, ',')
return table.concat(
{
'\\bibstyle{alpha}',
'\\bibdata{' .. bibdata(bibliography) .. '}',
'\\citation{' .. citations .. '}',
'',
},
'\n'
)
end
function write_dummy_aux (bibliography, auxfile)
local filename
if type(auxfile) == 'string' then
filename = auxfile
elseif type(auxfile) == 'table' then
-- assume list of inlines
filename = utils.stringify(pandoc.Span(auxfile))
else
filename = 'bibexport.aux'
end
local fh = io.open(filename, 'w')
fh:write(aux_content(bibliography))
fh:close()
io.stdout:write('Aux written to ' .. filename .. '\n')
return filename
end
function Pandoc (doc)
local meta = doc.meta
if not meta.bibliography then
return nil
else
-- create a dummy .aux file
local auxfile_name = write_dummy_aux(meta.bibliography, meta.auxfile)
os.execute('bibexport ' .. auxfile_name)
io.stdout:write('Output written to bibexport.bib\n')
return nil
end
end
|
