i += 1
+def revert_biblatex(document):
+ " Revert biblatex support "
+
+ #
+ # Header
+ #
+
+ # 1. Get cite engine
+ engine = "basic"
+ i = find_token(document.header, "\\cite_engine", 0)
+ if i == -1:
+ document.warning("Malformed document! Missing \\cite_engine")
+ else:
+ engine = get_value(document.header, "\\cite_engine", i)
+
+ # 2. Store biblatex state and revert to natbib
+ biblatex = False
+ if engine in ["biblatex", "biblatex-natbib"]:
+ biblatex = True
+ document.header[i] = "\cite_engine natbib"
+
+ # 3. Store and remove new document headers
+ bibstyle = ""
+ i = find_token(document.header, "\\biblatex_bibstyle", 0)
+ if i != -1:
+ bibstyle = get_value(document.header, "\\biblatex_bibstyle", i)
+ del document.header[i]
+
+ citestyle = ""
+ i = find_token(document.header, "\\biblatex_citestyle", 0)
+ if i != -1:
+ citestyle = get_value(document.header, "\\biblatex_citestyle", i)
+ del document.header[i]
+
+ biblio_options = ""
+ i = find_token(document.header, "\\biblio_options", 0)
+ if i != -1:
+ biblio_options = get_value(document.header, "\\biblio_options", i)
+ del document.header[i]
+
+ if biblatex:
+ bbxopts = "[natbib=true"
+ if bibstyle != "":
+ bbxopts += ",bibstyle=" + bibstyle
+ if citestyle != "":
+ bbxopts += ",citestyle=" + citestyle
+ if biblio_options != "":
+ bbxopts += "," + biblio_options
+ bbxopts += "]"
+ add_to_preamble(document, "\\usepackage" + bbxopts + "{biblatex}")
+
+ #
+ # Body
+ #
+
+ # 1. Bibtex insets
+ i = 0
+ bibresources = []
+ while (True):
+ i = find_token(document.body, "\\begin_inset CommandInset bibtex", i)
+ if i == -1:
+ break
+ j = find_end_of_inset(document.body, i)
+ if j == -1:
+ document.warning("Can't find end of bibtex inset at line %d!!" %(i))
+ i += 1
+ continue
+ bibs = get_quoted_value(document.body, "bibfiles", i, j)
+ opts = get_quoted_value(document.body, "biblatexopts", i, j)
+ # store resources
+ if bibs:
+ bibresources += bibs.split(",")
+ else:
+ document.warning("Can't find bibfiles for bibtex inset at line %d!" %(i))
+ # remove biblatexopts line
+ k = find_token(document.body, "biblatexopts", i, j)
+ if k != -1:
+ del document.body[k]
+ # Re-find inset end line
+ j = find_end_of_inset(document.body, i)
+ # Insert ERT \\printbibliography and wrap bibtex inset to a Note
+ if biblatex:
+ pcmd = "printbibliography"
+ if opts:
+ pcmd += "[" + opts + "]"
+ repl = ["\\begin_inset ERT", "status open", "", "\\begin_layout Plain Layout",\
+ "", "", "\\backslash", pcmd, "\\end_layout", "", "\\end_inset", "", "",\
+ "\\end_layout", "", "\\begin_layout Standard", "\\begin_inset Note Note",\
+ "status open", "", "\\begin_layout Plain Layout" ]
+ repl += document.body[i:j+1]
+ repl += ["", "\\end_layout", "", "\\end_inset", "", ""]
+ document.body[i:j+1] = repl
+ j += 27
+
+ i = j + 1
+
+ if biblatex:
+ for b in bibresources:
+ add_to_preamble(document, "\\addbibresource{" + b + ".bib}")
+
+ # 2. Citation insets
+
+ # Specific citation insets used in biblatex that need to be reverted to ERT
+ new_citations = {
+ "Cite" : "Cite",
+ "citebyear" : "citeyear",
+ "citeyear" : "cite*",
+ "Footcite" : "Smartcite",
+ "footcite" : "smartcite",
+ "Autocite" : "Autocite",
+ "autocite" : "autocite",
+ "citetitle" : "citetitle",
+ "citetitle*" : "citetitle*",
+ "fullcite" : "fullcite",
+ "footfullcite" : "footfullcite",
+ "supercite" : "supercite",
+ "citeauthor" : "citeauthor",
+ "citeauthor*" : "citeauthor*",
+ "Citeauthor" : "Citeauthor",
+ "Citeauthor*" : "Citeauthor*"
+ }
+
+ # All commands accepted by LyX < 2.3. Everything else throws an error.
+ old_citations = [ "cite", "nocite", "citet", "citep", "citealt", "citealp",\
+ "citeauthor", "citeyear", "citeyearpar", "citet*", "citep*",\
+ "citealt*", "citealp*", "citeauthor*", "Citet", "Citep",\
+ "Citealt", "Citealp", "Citeauthor", "Citet*", "Citep*",\
+ "Citealt*", "Citealp*", "Citeauthor*", "fullcite", "footcite",\
+ "footcitet", "footcitep", "footcitealt", "footcitealp",\
+ "footciteauthor", "footciteyear", "footciteyearpar",\
+ "citefield", "citetitle", "cite*" ]
+
+ i = 0
+ while (True):
+ i = find_token(document.body, "\\begin_inset CommandInset citation", i)
+ if i == -1:
+ break
+ j = find_end_of_inset(document.body, i)
+ if j == -1:
+ document.warning("Can't find end of citation inset at line %d!!" %(i))
+ i += 1
+ continue
+ k = find_token(document.body, "LatexCommand", i, j)
+ if k == -1:
+ document.warning("Can't find LatexCommand for citation inset at line %d!" %(i))
+ i = j + 1
+ continue
+ cmd = get_value(document.body, "LatexCommand", k)
+ if biblatex and cmd in list(new_citations.keys()):
+ pre = get_quoted_value(document.body, "before", i, j)
+ post = get_quoted_value(document.body, "after", i, j)
+ key = get_quoted_value(document.body, "key", i, j)
+ if not key:
+ document.warning("Citation inset at line %d does not have a key!" %(i))
+ key = "???"
+ # Replace known new commands with ERT
+ res = "\\" + new_citations[cmd]
+ if pre:
+ res += "[" + pre + "]"
+ elif post:
+ res += "[]"
+ if post:
+ res += "[" + post + "]"
+ res += "{" + key + "}"
+ document.body[i:j+1] = put_cmd_in_ert([res])
+ elif cmd not in old_citations:
+ # Reset unknown commands to cite. This is what LyX does as well
+ # (but LyX 2.2 would break on unknown commands)
+ document.body[k] = "LatexCommand cite"
+ document.warning("Reset unknown cite command '%s' with cite" % cmd)
+ i = j + 1
+
+ # Emulate the old biblatex-workaround (pretend natbib in order to use the styles)
+ if biblatex:
+ i = find_token(document.header, "\\begin_local_layout", 0)
+ if i == -1:
+ k = find_token(document.header, "\\language", 0)
+ if k == -1:
+ # this should not happen
+ document.warning("Malformed LyX document! No \\language header found!")
+ return
+ document.header[k-1 : k-1] = ["\\begin_local_layout", "\\end_local_layout"]
+ i = k-1
+
+ j = find_end_of(document.header, i, "\\begin_local_layout", "\\end_local_layout")
+ if j == -1:
+ # this should not happen
+ document.warning("Malformed LyX document! Can't find end of local layout!")
+ return
+
+ document.header[i+1 : i+1] = [
+ "### Inserted by lyx2lyx (biblatex emulation) ###",
+ "Provides natbib 1",
+ "### End of insertion by lyx2lyx (biblatex emulation) ###"
+ ]
+
+
+def revert_citekeyonly(document):
+ " Revert keyonly cite command to ERT "
+
+ i = 0
+ while (True):
+ i = find_token(document.body, "\\begin_inset CommandInset citation", i)
+ if i == -1:
+ break
+ j = find_end_of_inset(document.body, i)
+ if j == -1:
+ document.warning("Can't find end of citation inset at line %d!!" %(i))
+ i += 1
+ continue
+ k = find_token(document.body, "LatexCommand", i, j)
+ if k == -1:
+ document.warning("Can't find LatexCommand for citation inset at line %d!" %(i))
+ i = j + 1
+ continue
+ cmd = get_value(document.body, "LatexCommand", k)
+ if cmd != "keyonly":
+ i = j + 1
+ continue
+
+ key = get_quoted_value(document.body, "key", i, j)
+ if not key:
+ document.warning("Citation inset at line %d does not have a key!" %(i))
+ # Replace known new commands with ERT
+ document.body[i:j+1] = put_cmd_in_ert([key])
+ i = j + 1
+
+
+
+def revert_bibpackopts(document):
+ " Revert support for natbib/jurabib package options "
+
+ engine = "basic"
+ i = find_token(document.header, "\\cite_engine", 0)
+ if i == -1:
+ document.warning("Malformed document! Missing \\cite_engine")
+ else:
+ engine = get_value(document.header, "\\cite_engine", i)
+
+ biblatex = False
+ if engine not in ["natbib", "jurabib"]:
+ return
+
+ biblio_options = ""
+ i = find_token(document.header, "\\biblio_options", 0)
+ if i != -1:
+ biblio_options = get_value(document.header, "\\biblio_options", i)
+ del document.header[i]
+
+ i = find_token(document.header, "\\begin_local_layout", 0)
+ if i == -1:
+ k = find_token(document.header, "\\language", 0)
+ if k == -1:
+ # this should not happen
+ document.warning("Malformed LyX document! No \\language header found!")
+ return
+ document.header[k-1 : k-1] = ["\\begin_local_layout", "\\end_local_layout"]
+ i = k - 1
+
+ j = find_end_of(document.header, i, "\\begin_local_layout", "\\end_local_layout")
+ if j == -1:
+ # this should not happen
+ document.warning("Malformed LyX document! Can't find end of local layout!")
+ return
+
+ document.header[i+1 : i+1] = [
+ "### Inserted by lyx2lyx (bibliography package options) ###",
+ "PackageOptions " + engine + " " + biblio_options,
+ "### End of insertion by lyx2lyx (bibliography package options) ###"
+ ]
+
+
##
# Conversion hub
#
[524, []],
[525, []],
[526, []],
- [527, []]
+ [527, []],
+ [528, []],
+ [529, []],
+ [530, []]
]
revert = [
+ [529, [revert_bibpackopts]],
+ [528, [revert_citekeyonly]],
+ [527, [revert_biblatex]],
[526, [revert_noprefix]],
[525, [revert_plural_refs]],
[524, [revert_labelonly]],