Bibliography package improvements on BibTeX syntax

packages/bibtex/bibliography.lua

@@ -200,7 +200,7 @@ do
          von_start, last_lim, jr_lim, first_start, first_lim = 1, commas[1], commas[2], commas[2], n + 1
          divide_von_from_last()
       else
-         SU.error("Too many commas in name '%s'")
+         SU.error(("Too many commas in name '%s'"):format(str))
       end
       -- <set fields of name based on [[first_start]] and friends>=
       -- We set long and short forms together; [[ss]] is the
@@ -286,6 +286,7 @@ Bibliography = {
    produceCitation = function (cite, bib, style)
       local item = bib[cite.key]
       if not item then
+         -- Should have been already checked by the caller
          return Bibliography.Errors.UNKNOWN_REFERENCE
       end
       local t = Bibliography.buildEnv(cite, item.attributes, style)
@@ -296,6 +297,7 @@ Bibliography = {
    produceReference = function (cite, bib, style)
       local item = bib[cite.key]
       if not item then
+         -- Should have been already checked by the caller
          return Bibliography.Errors.UNKNOWN_REFERENCE
       end
       item.type = item.type:gsub("^%l", string.upper)

packages/bibtex/bibmaps.lua

@@ -0,0 +1,60 @@
+-- Mappings for aliases and inheritance rules
+
+-- Partial implementation of the Biber/BibLaTeX data inheritance rules
+-- (derived from the biblatex package manual v3.20, appendix A)
+-- FIXME: This is not complete
+local crossrefmap = {
+   book = {
+      inbook = {
+         author = "author", -- inbook inherits author from book author
+         bookauthor = "author", -- inbook inherits bookauthor from book author
+         indexsorttitle = false, -- inbook skips (=does not inherit) indexsorttitle from book
+         indextitle = false,
+         shorttitle = false,
+         sorttitle = false,
+         subtitle = "booksubtitle",
+         title = "booktitle",
+         titleaddon = "booktitleaddon",
+      },
+   },
+   periodical = {
+      article = {
+         indexsorttitle = false,
+         indextitle = false,
+         shorttitle = false,
+         sorttitle = false,
+         subtitle = "journalsubtitle",
+         title = "journaltitle",
+         titleaddon = "journaltitleaddon",
+      },
+   },
+   proceedings = {
+      inproceedings = {
+         indexsorttitle = false,
+         indextitle = false,
+         shorttitle = false,
+         sorttitle = false,
+         subtitle = "booksubtitle",
+         title = "booktitle",
+         titleaddon = "booktitleaddon",
+      },
+   },
+}
+
+-- biblatex field aliases
+-- From biblatex package manual v3.20, section 2.2.5
+local fieldmap = {
+   address = "location",
+   annote = "annotation",
+   archiveprefix = "eprinttype",
+   key = "sortkey",
+   pdf = "file",
+   journal = "journaltitle",
+   primaryclass = "eprintclass",
+   school = "institution",
+}
+
+return {
+   crossrefmap = crossrefmap,
+   fieldmap = fieldmap,
+}