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--[[
Copyright 2016 ARATA Mizuki
This file is part of ClutTeX.
ClutTeX is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
ClutTeX is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with ClutTeX. If not, see <http://www.gnu.org/licenses/>.
]]
local string_match = string.match
local pathutil = require "texrunner.pathutil"
local filesys = require "lfs"
local fsutil = require "texrunner.fsutil"
local message = require "texrunner.message"
-- for LaTeX
local function parse_aux_file(auxfile, outdir, report, seen)
report = report or {}
seen = seen or {}
seen[auxfile] = true
for l in io.lines(auxfile) do
local subauxfile = string_match(l, "\\@input{(.+)}")
if subauxfile then
if fsutil.isfile(subauxfile) then
parse_aux_file(pathutil.join(outdir, subauxfile), outdir, report, seen)
else
local dir = pathutil.join(outdir, pathutil.dirname(subauxfile))
if not fsutil.isdir(dir) then
assert(fsutil.mkdir_rec(dir))
report.made_new_directory = true
end
end
end
end
return report
end
-- \citation, \bibdata, \bibstyle and \@input
local function extract_bibtex_from_aux_file(auxfile, outdir, biblines)
biblines = biblines or {}
for l in io.lines(auxfile) do
local name = string_match(l, "\\([%a@]+)")
if name == "citation" or name == "bibdata" or name == "bibstyle" then
table.insert(biblines, l)
if CLUTTEX_VERBOSITY >= 2 then
message.info("BibTeX line: ", l)
end
elseif name == "@input" then
local subauxfile = string_match(l, "\\@input{(.+)}")
if subauxfile and fsutil.isfile(subauxfile) then
extract_bibtex_from_aux_file(pathutil.join(outdir, subauxfile), outdir, biblines)
end
end
end
return biblines
end
return {
parse_aux_file = parse_aux_file,
extract_bibtex_from_aux_file = extract_bibtex_from_aux_file,
}
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