1 files changed, 0 insertions, 110 deletions
diff --git a/paper/lua-filters/multiple-bibliographies/multiple-bibliographies.lua b/paper/lua-filters/multiple-bibliographies/multiple-bibliographies.lua
deleted file mode 100644
index 934e6ea..0000000
--- a/paper/lua-filters/multiple-bibliographies/multiple-bibliographies.lua
+++ /dev/null
@@ -1,110 +0,0 @@
---[[
-multiple-bibliographies – create multiple bibliographies
-
-Copyright © 2018-2019 Albert Krewinkel
-
-Permission to use, copy, modify, and/or distribute this software for any
-purpose with or without fee is hereby granted, provided that the above
-copyright notice and this permission notice appear in all copies.
-
-THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-]]
-local List = require 'pandoc.List'
-local utils = require 'pandoc.utils'
-local stringify = utils.stringify
-local run_json_filter = utils.run_json_filter
-
---- Collection of all cites in the document
-local all_cites = {}
---- Document meta value
-local doc_meta = pandoc.Meta{}
-
---- Div used by pandoc-citeproc to insert the bibliography.
-local refs_div = pandoc.Div({}, pandoc.Attr('refs'))
-
-local supports_quiet_flag = (function ()
-  local version = pandoc.pipe('pandoc-citeproc', {'--version'}, '')
-  local major, minor, patch = version:match 'pandoc%-citeproc (%d+)%.(%d+)%.?(%d*)'
-  major, minor, patch = tonumber(major), tonumber(minor), tonumber(patch)
-  return major > 0
-    or minor > 14
-    or (minor == 14 and patch >= 5)
-end)()
-
---- Resolve citations in the document by combining all bibliographies
--- before running pandoc-citeproc on the full document.
-local function resolve_doc_citations (doc)
-  -- combine all bibliographies
-  local meta = doc.meta
-  local orig_bib = meta.bibliography
-  meta.bibliography = pandoc.MetaList{orig_bib}
-  for name, value in pairs(meta) do
-    if name:match('^bibliography_') then
-      table.insert(meta.bibliography, value)
-    end
-  end
-  -- add dummy div to catch the created bibliography
-  table.insert(doc.blocks, refs_div)
-  -- resolve all citations
-  doc = run_json_filter(doc, 'pandoc-citeproc')
-  -- remove catch-all bibliography
-  table.remove(doc.blocks)
-  -- restore bibliography to original value
-  doc.meta.bibliography = orig_bib
-  return doc
-end
-
---- Explicitly create a new meta object with all fields relevant for
---- pandoc-citeproc.
-local function meta_for_pandoc_citeproc (bibliography)
-  -- We could just indiscriminately copy all meta fields, but let's be
-  -- explicit about what's important.
-  local fields = {
-    'bibliography', 'references', 'csl', 'citation-style',
-    'link-citations', 'citation-abbreviations', 'lang',
-    'suppress-bibliography', 'reference-section-title',
-    'notes-after-punctuation', 'nocite'
-  }
-  local new_meta = pandoc.Meta{}
-  for _, field in ipairs(fields) do
-    new_meta[field] = doc_meta[field]
-  end
-  new_meta.bibliography = bibliography
-  return new_meta
-end
-
---- Create a bibliography for a given topic. This acts on all divs whose
--- ID starts with "refs", followed by nothing but underscores and
--- alphanumeric characters.
-local function create_topic_bibliography (div)
-  local name = div.identifier:match('^refs([_%w]*)$')
-  local bibfile = name and doc_meta['bibliography' .. name]
-  if not bibfile then
-    return nil
-  end
-  local tmp_blocks = {pandoc.Para(all_cites), refs_div}
-  local tmp_meta = meta_for_pandoc_citeproc(bibfile)
-  local tmp_doc = pandoc.Pandoc(tmp_blocks, tmp_meta)
-  local filter_args = {FORMAT, supports_quiet_flag and '-q' or nil}
-  local res = run_json_filter(tmp_doc, 'pandoc-citeproc', filter_args)
-  -- First block of the result contains the dummy paragraph, second is
-  -- the refs Div filled by pandoc-citeproc.
-  div.content = res.blocks[2].content
-  return div
-end
-
-return {
-  {
-    -- Collect all citations and the doc's Meta value for other filters.
-    Cite = function (c) all_cites[#all_cites + 1] = c end,
-    Meta = function (m) doc_meta = m end,
-  },
-  { Pandoc = resolve_doc_citations },
-  { Div = create_topic_bibliography },
-}