/
biblatex2.sty
11207 lines (9978 loc) · 319 KB
/
biblatex2.sty
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% Copyright (c) 2006-2011 Philipp Lehman.
%
% Permission is granted to copy, distribute and/or modify this
% software under the terms of the LaTeX Project Public License
% (LPPL), version 1.3.
%
% This software is provided 'as is', without warranty of any kind,
% either expressed or implied, including, but not limited to, the
% implied warranties of merchantability and fitness for a
% particular purpose.
\NeedsTeXFormat{LaTeX2e}[2005/12/01]
\ProvidesPackage{biblatex2}
[\abx@date\space v\abx@version\space programmable bibliographies (biber) (PK/JW/AB)]
%% Dependencies
\RequirePackage{etoolbox}
\RequirePackage{keyval}
\RequirePackage{kvoptions}
\RequirePackage{logreq}
\RequirePackage{ifthen}
\RequirePackage{url}
%\RequirePackage{trace}
\@ifpackagelater{etoolbox}{2010/11/29}
{}
{\PackageError{biblatex}
{Outdated 'etoolbox' package}
{Upgrade to etoolbox v2.1 (2010/11/29) or later.\MessageBreak
I found: '\csuse{ver@etoolbox.sty}'.\MessageBreak
This is a fatal error. I'm aborting now.}%
\endinput}
%% Category codes
\def\blx@docatcodes{%
\do\=\do\<\do\>\do\-\do\"\do\'\do\`\do\.%
\do\,\do\;\do\:\do\!\do\?\do\/}
\def\do#1{\catcode\number`#1=\the\catcode`#1\relax}
\edef\blx@catcodes{\blx@docatcodes\do\^\do\~\do\&\do\|}
\let\do\noexpand
\def\blx@saneccodes{%
\catcode`\~=\active
\let\do\@makeother
\blx@docatcodes
\let\do\noexpand}
\blx@saneccodes
\catcode`\&=3
\catcode`\|=3
\catcode`\^=7
\def\blx@nl{^^J}
%% Compatibility
\AtEndPreamble{%
\def\do#1{%
\@ifpackageloaded{#1}
{\blx@error
{Incompatible package '#1'}
{The '#1' package and biblatex are incompatible}}
{}}%
\docsvlist{%
amsrefs,apacite,babelbib,backref,bibtopic,bibunits,chapterbib,
cite,citeref,drftcite,footbib,inlinebib,jurabib,mcite,mciteplus,
mlbib,multibbl,multibib,natbib,opcit,overcite,splitbib,ucs}%
\def\blx@langstrings{}%
% Set up sortlocale defaults
\ifdefstring\blx@sortlocale{auto}
{\ifdef\bbl@main@language% babel or polyglossia is loaded
{\edef\blx@sortlocale{\bbl@main@language}}
{\def\blx@sortlocale{english}}}
{}%
\@ifpackageloaded{polyglossia}
{\ifboolexpr{
not test {\iftoggle{blx@autolangbib}}
and
not test {\iftoggle{blx@autolangcite}}}
{\blx@mknoautolang}
{\blx@mkautolangpoly}}
{\@ifpackageloaded{babel}
{\ifboolexpr{
not test {\iftoggle{blx@autolangbib}}
and
not test {\iftoggle{blx@autolangcite}}}
{\blx@mknoautolang}
{\blx@mkautolangbabel}}
{\blx@mknoautolang}}%
% These already have defaults set to basically do nothing
% so if the toggles are true, we need to define again since
% mkautolang* redefines \blx@beglang
% In turn, \blx@beglang defines \blx@endlang and so \blx@beglangcite and
% \blx@endlangcite need redefining inside \blx@beglang after \blx@endlang
% has been defined.
\iftoggle{blx@autolangbib}
{\let\blx@beglangbib\blx@beglang}
{}%
\iftoggle{blx@autolangcite}
{\let\blx@beglangcite\blx@beglang}
{}%
\csuse{abx@extras@\blx@languagename}%
\csuse{abx@strings@\blx@languagename}%
\undef\blx@mkautolangbabel
\undef\blx@mkautolangpoly
\undef\blx@mknoautolang
\ifnum\blx@hyperref=\z@
\blx@mknohyperref
\else
\@ifpackageloaded{hyperref}
{\blx@mkhyperref}
{\ifnum\blx@hyperref=\@ne
\blx@warning@noline{%
Missing 'hyperref' package.\MessageBreak
Setting hyperref=false}%
\fi
\blx@mknohyperref}%
\fi
\providecommand*{\nolinkurl}{\url}%
\undef\blx@mkhyperref
\undef\blx@mknohyperref
\ifundef\TE@hook
{\let\TE@hook\@empty
\toggletrue{blx@tempa}%
\def\do#1{%
\patchcmd#1%
{\let\isundefined\TE@undef}
{\let\isundefined\TE@undef\TE@hook}
{\togglefalse{blx@tempa}\listbreak}
{}}%
\docsvlist{%
\ifthenelse,% ifthen
\org@ifthenelse,% babel
\HyOrg@ifthenelse,% hyperref
\NROrg@ifthenelse}% nameref
\iftoggle{blx@tempa}
{\blx@err@patch{'ifthen' package}}
{}}
{}%
\appto\TE@hook{\blx@TE@hook}%
\toggletrue{blx@tempa}%
\def\do#1{%
\patchcmd#1%
{\color@begingroup}
{\color@begingroup\toggletrue{blx@footnote}}
{\togglefalse{blx@tempa}\listbreak}
{}}%
\docsvlist{%
\@footnotetext,% latex
\H@@footnotetext,% hyperref
\V@@footnotetext,% fancyvrb
\scr@saved@footnotetext,% koma-script 3.x
\l@dold@footnotetext,% ledmac
\l@doldold@footnotetext,% ledmac
\@fntORI}% frenchle
\iftoggle{blx@tempa}% ams classes
{\patchcmd\@footnotetext
{\@makefntext}
{\toggletrue{blx@footnote}\@makefntext}
{\togglefalse{blx@tempa}}
{}}
{}%
\@ifclassloaded{memoir}
{\def\do#1{%
\patchcmd#1%
{\color@begingroup}
{\color@begingroup\toggletrue{blx@footnote}}
{}
{}}%
\docsvlist{%
\m@mold@footnotetext,%
\@plainfootnotetext,%
\@twocolfootnotetext,%
\@threecolfootnotetext,%
\@parafootnotetext}%
\def\do#1{%
\patchcmd#1%
{\color@begingroup\@makefntext}
{\color@begingroup\toggletrue{blx@footnote}\@makefntext}
{}
{}}%
\docsvlist{%
\@footnotetext,% patch twice
\H@@footnotetext,% patch twice
\@plainfootnotetext}}
{}%
\iftoggle{blx@tempa}
{\blx@warning@noline{%
Patching footnotes failed.\MessageBreak
Footnote detection will not work}}
{}%
\@ifpackageloaded{endnotes}
{\patchcmd\theendnotes
{\enoteformat}
{\toggletrue{blx@footnote}\enoteformat}
{}
{\blx@err@patch{'endnotes' package}}}
{}%
\@ifpackageloaded{bigfoot}
{\apptocmd\@makefnstartbox
{\toggletrue{blx@footnote}}
{}
{\blx@err@patch{'bigfoot' package}}}
{}%
\@ifpackageloaded{showkeys}
{\ifdef\SK@
{\AtEveryBibitem{\SK@\SK@@label{\thefield{entrykey}}}%
\AtEveryLositem{\SK@\SK@@label{\thefield{entrykey}}}%
\ifundef\SK@cite % = 'notcite' disabled
{\AtEveryCitekey{\SK@\SK@@ref{\thefield{entrykey}}}}
{}}
{}}
{}%
\apptocmd\@floatboxreset
{\boolfalse{citetracker}%
\boolfalse{pagetracker}}
{}
{\blx@err@patch{floats}}%
\ifdef\TX@endtabularx % tabularx/memoir
{\pretocmd\TX@endtabularx
{\addtocounter{tabx@nest}{1}}% track nested tabularx environments
{}
{\blx@err@patch{'tabularx'}}%
% no need to conditionalise on top-level tabx as the search/replace
% will only match once anyway
\patchcmd\TX@endtabularx
{\edef\TX@ckpt{\cl@@ckpt}}
{\edef\TX@ckpt{\cl@@ckpt\abx@resttrackers}%
\abx@savetrackers}
{}
{\blx@err@patch{'tabularx'}}%
\apptocmd\TX@endtabularx
{\ifnum\value{tabx@nest}=1% only clear trackers for top-level tabularx
\abx@cleartrackers
\fi
\addtocounter{tabx@nest}{-1}}
{}
{\blx@err@patch{'tabularx'}}}
{}%
\@ifpackageloaded{csquotes}
{\@ifpackagelater{csquotes}{2009/05/30}
{}
{\blx@error
{Outdated 'csquotes' package}
{Upgrade to csquotes v4.4 (2009/05/30) or later.\MessageBreak
I found: '\csuse{ver@csquotes.sty}'}}%
\BlockquoteDisable{\let\blx@thecheckpunct\@gobble}%
\@ifpackagelater{csquotes}{2009/08/27}
{\appto\@blockquote@prehook{\abx@savetrackers}%
\appto\@blockquote@posthook{\abx@resttrackers\abx@cleartrackers}}
{}%
\@ifpackagelater{csquotes}{2010/06/09}
{}
{\newcommand*{\@quotereset}{}\newcount\@quotereset}}
{\@ifpackageloaded{babel}
{\blx@warning@noline{%
'babel/polyglossia' detected but 'csquotes' missing.\MessageBreak
Loading 'csquotes' recommended}}
{}%
\newcommand*{\@quotelevel}{}%
\newcount\@quotelevel
\newcommand*{\@quotereset}{}%
\newcount\@quotereset
\newcommand*{\@setquotesfcodes}{}%
\let\@setquotesfcodes\relax
\newrobustcmd*{\initoquote}{\@quotelevel\@ne}%
\newrobustcmd*{\initiquote}{\@quotelevel\tw@}%
\newrobustcmd*{\textooquote}{``}%
\newrobustcmd*{\textcoquote}{''}%
\newrobustcmd*{\textoiquote}{`\relax}% block ligs
\newrobustcmd*{\textciquote}{'\relax}% block ligs
\newrobustcmd*{\enquote}{\@ifstar\blx@enquote@ii\blx@enquote}%
\def\blx@enquote{%
\ifnum\@quotelevel>\z@
\expandafter\blx@enquote@ii
\else
\expandafter\blx@enquote@i
\fi}%
\long\def\blx@enquote@i#1{%
\begingroup\initoquote
\textooquote#1\textcoquote
\endgroup}%
\long\def\blx@enquote@ii#1{%
\begingroup\initiquote
\textoiquote#1\textciquote
\endgroup}%
\appto\blx@setsfcodes{%
\sfcode`\`=\z@
\sfcode`\'=\z@}}%
\let\do\noexpand}
\begingroup
\@makeother\#
% \relax: gobble newline -> titletoc.sty
\AtEndPreamble{%
\addtocontents{toc}{%
\boolfalse{citerequest}%
\boolfalse{citetracker}%
\boolfalse{pagetracker}%
\boolfalse{backtracker}\relax}%
\addtocontents{lof}{%
\boolfalse{citerequest}%
\boolfalse{citetracker}%
\boolfalse{pagetracker}%
\boolfalse{backtracker}\relax}%
\addtocontents{lot}{%
\boolfalse{citerequest}%
\boolfalse{citetracker}%
\boolfalse{pagetracker}%
\boolfalse{backtracker}\relax}%
\patchcmd\addtocontents
{\string\@writefile}
{\string\@writefile{#1}{\defcounter{refsection}{\the\c@refsection}\relax}%
\string\@writefile}
{}
{\blx@err@patch{\string\addtocontents}}}
\endgroup
% trick hyperref into believing we're natbib
\let\NAT@parse\@empty
% trick showkeys into believing we're havard
\let\HAR@checkdef\@empty
%% Allocation
\providecommand{\@gobblefive}[5]{}
% Counter to track nested tabularx environemnts so we don't
% try to patch the commands more than once below as this undefs some
% macros and an error is thrown
\newcounter{tabx@nest}
\setcounter{tabx@nest}{0}
\newcounter{listtotal}
\def\thelisttotal{\the\c@listtotal}
\newcounter{listcount}
\def\thelistcount{\the\c@listcount}
\newcounter{liststart}
\def\theliststart{\the\c@liststart}
\newcounter{liststop}
\def\theliststop{\the\c@liststop}
\newcounter{citecount}
\def\thecitecount{\the\c@citecount}
\newcounter{citetotal}
\def\thecitetotal{\the\c@citetotal}
\newcounter{multicitecount}
\def\themulticitecount{\the\c@multicitecount}
\newcounter{multicitetotal}
\def\themulticitetotal{\the\c@multicitetotal}
\newcounter{instcount}
\def\theinstcount{\the\c@instcount}
\newcounter{maxnames}
\def\themaxnames{\the\c@maxnames}
\newcounter{minnames}
\def\theminnames{\the\c@minnames}
\newcounter{maxitems}
\def\themaxitems{\the\c@maxitems}
\newcounter{minitems}
\def\theminitems{\the\c@minitems}
\newcounter{citecounter}
\def\thecitecount{\the\c@citecounter}
\newcounter{savedcitecounter}
\def\thecitecount{\the\c@savedcitecounter}
\newcounter{uniquelist}
\def\theuniquelist{\the\c@uniquelist}
\newcounter{uniquename}
\def\theuniquename{\the\c@uniquename}
\newcounter{refsection}
\def\therefsection{\the\c@refsection}
\newcounter{refsegment}
\def\therefsegment{\the\c@refsegment}
\newcounter{maxextratitle}
\def\themaxextratitle{\the\c@maxextratitle}
\newcounter{maxextratitleyear}
\def\themaxextratitleyear{\the\c@maxextratitleyear}
\newcounter{maxextrayear}
\def\themaxextrayear{\the\c@maxextrayear}
\newcounter{maxextraalpha}
\def\themaxextraalpha{\the\c@maxextraalpha}
\newcounter{abbrvpenalty}
\def\theabbrvpenalty{\the\c@abbrvpenalty}
\newcounter{highnamepenalty}
\def\thehighnamepenalty{\the\c@highnamepenalty}
\newcounter{lownamepenalty}
\def\thelownamepenalty{\the\c@lownamepenalty}
\newcounter{maxparens}
\def\themaxparens{\the\c@maxparens}
\newcounter{parenlevel}
\def\theparenlevel{\the\c@parenlevel}
\newcount\blx@tempcnta
\newcount\blx@tempcntb
\newcount\blx@tempcntc
\newcount\blx@maxsection
\expandafter\newcount\csname blx@maxsegment@0\endcsname
\newcount\blx@notetype
\newcount\blx@parenlevel@text
\newcount\blx@parenlevel@foot
\expandafter\newcount\csname blx@sectionciteorder@0\endcsname
\def\blx@uniquename{0}
\def\blx@uniquelist{0}
\def\blx@maxbibnames{0}
\def\blx@minbibnames{0}
\def\blx@maxcitenames{0}
\def\blx@mincitenames{0}
\def\blx@maxbibnames@type{\blx@maxbibnames}
\def\blx@minbibnames@type{\blx@minbibnames}
\def\blx@maxcitenames@type{\blx@maxcitenames}
\def\blx@mincitenames@type{\blx@mincitenames}
\def\blx@maxalphanames{0}
\def\blx@minalphanames{0}
\def\blx@maxitems{0}
\def\blx@minitems{0}
\def\blx@maxitems@type{\blx@maxitems}
\def\blx@minitems@type{\blx@minitems}
\newlength{\labelnumberwidth}
\newlength{\labelalphawidth}
\newlength{\biblabelsep}
\ifdef\bibitemsep % memoir
{}
{\newlength{\bibitemsep}}
\newlength{\bibnamesep}
\newlength{\bibinitsep}
\newlength{\bibparsep}
\newlength{\bibhang}
\newbool{sourcemap}
\newbool{citetracker}
\newbool{pagetracker}
\newbool{backtracker}
\newbool{citerequest}
\booltrue{citerequest}
\newtoggle{blx@tempa}
\newtoggle{blx@tempb}
\newtoggle{blx@runltx}
\newtoggle{blx@runbiber}
\newtoggle{blx@block}
\newtoggle{blx@unit}
\newtoggle{blx@skipentry}
\newtoggle{blx@insert}
\newtoggle{blx@lastins}
\newtoggle{blx@keepunit}
\newtoggle{blx@debug}
\newtoggle{blx@sortcase}
\newtoggle{blx@sortupper}
\newtoggle{blx@autolangbib}
\newtoggle{blx@autolangcite}
\newtoggle{blx@clearlang}
\newtoggle{blx@defernumbers}
\newtoggle{blx@omitnumbers}
\newtoggle{blx@footnote}
\newtoggle{blx@labelalpha}
\newtoggle{blx@labelnumber}
\newtoggle{blx@labeltitle}
\newtoggle{blx@labeltitleyear}
\newtoggle{blx@labeldate}
\newtoggle{blx@natbib}
\newtoggle{blx@mcite}
\newtoggle{blx@loadfiles}
\newtoggle{blx@singletitle}
\newtoggle{blx@terseinits}
\newtoggle{blx@firstinits}
\newtoggle{blx@sortfirstinits}
\newtoggle{blx@useprefix}
\newtoggle{blx@addset}
\newtoggle{blx@setonly}
\newtoggle{blx@dataonly}
\newtoggle{blx@skipbib}
\newtoggle{blx@skipbiblist}
\newtoggle{blx@skiplab}
\newtoggle{blx@citation}
\newtoggle{blx@bibliography}
\newtoggle{blx@citeindex}
\newtoggle{blx@bibindex}
\newtoggle{blx@localnumber}
\newtoggle{blx@refcontext}
% Special fields which need resolution using the information provided by biber
\listadd\abx@rfields{labeltitle}
\def\abx@dorfields{%
\dolistcsloop{abx@rfields}%
}
% Just in case we ever have non-name lists to instantiate
%\listadd\abx@rlists{}
% \def\abx@dorlists{%
% \dolistcsloop{abx@rlists}%
% }
\listadd\abx@rnames{labelname}
\def\abx@dornames{%
\dolistcsloop{abx@rnames}%
}
% Option scope trackers for passing to .bcf
\global\let\blx@globalopts\@empty
\global\let\blx@typeopts\@empty
\global\let\blx@entryopts\@empty
% Initialise some lists which track changing citations/sortschemes
% etc. between runs
\global\let\blx@cites\@empty
\global\let\blx@sortschemes\@empty
\global\let\blx@lastsortschemes\@empty
\global\let\blx@biblists\@empty
\global\let\blx@lastbiblists\@empty
\global\let\blx@lastcites\@empty
\global\let\blx@localnumaux\@empty
\newread\blx@bcfin
\newwrite\blx@bcfout
\def\blx@onlypreamble#1{%
\gappto\blx@dopreamblecmds{\do#1}}
\def\blx@dopreamblecmds{%
\do\blx@dopreamblecmds
\do\blx@onlypreamble}
%% Initialization
\def\blx@blxinit{%
\let\blx@blxinit\relax
\blx@initunit}
\newcommand*{\labelalphaothers}{+}
\newcommand*{\sortalphaothers}{\labelalphaothers}
\listadd\blx@globalopts{alphaothers}% for passing to the .bcf
\listadd\blx@typeopts{alphaothers}% for passing to the .bcf
\listadd\blx@globalopts{sortalphaothers}% for passing to the .bcf
\listadd\blx@typeopts{sortalphaothers}% for passing to the .bcf
\def\blx@secinit{%
\csgdef{blx@sections@\the\c@refsection}{true}% just to say we have a section for tests later
\ifcsundef{blx@bsee@\the\c@refsection}
{\global\cslet{blx@bsee@\the\c@refsection}\@empty}
{}%
\ifcsundef{blx@fsee@\the\c@refsection}
{\global\cslet{blx@fsee@\the\c@refsection}\@empty}
{}%
\blx@ibidreset@force
\blx@idemreset@force
\blx@opcitreset@force
\blx@loccitreset@force
% List to track all aliases in a section. We need to output all aliases
% to the .bcf every time so that they are visible to biber
\global\cslet{blx@keyaliases@\the\c@refsection}\@empty
\ifcsundef{blx@segm@\the\c@refsection @\the\c@refsegment}
{\global\cslet{blx@segm@\the\c@refsection @\the\c@refsegment}\@empty}
{}}
%% Auxiliary commands
\protected\def\blx@safe@actives{%
\let\blx@if@safe@actives\if@safe@actives
\let\if@safe@actives\iftrue}
\protected\def\blx@rest@actives{%
\let\if@safe@actives\blx@if@safe@actives}
\protected\def\blx@regimc#1{%
\xappto\blx@blxinit{%
\let\noexpand#1\expandafter\noexpand\csname
blx@imc@\expandafter\@gobble\string#1\endcsname}}
\protected\def\blx@regimcs#1{\blx@regimcs@i#1&}
\def\blx@regimcs@i#1{%
\ifx#1&\else
\blx@regimc#1%
\expandafter\blx@regimcs@i
\fi}
% {<field>} => \do{<item1>}\do{<item2>}...
\def\blx@imc@docsvfield#1{%
\blx@imc@iffieldundef{#1}
{}
{\expandafter\expandafter\expandafter\docsvlist
\expandafter\expandafter\expandafter{%
\csname abx@field@#1\endcsname}}}
% {<handler>}{<field>} => <handler>{<item1>}<handler>{<item2>}...
\def\blx@imc@forcsvfield#1#2{%
\blx@imc@iffieldundef{#2}
{}
{\expandafter\expandafter\expandafter\blx@imc@forcsvfield@i
\expandafter\expandafter\expandafter{%
\csname abx@field@#2\endcsname}{#1}}}
\def\blx@imc@forcsvfield@i#1#2{\forcsvlist{#2}{#1}}
\blx@regimcs{\docsvfield \forcsvfield}
% {<list>|<listmacro>}
\protected\long\def\blx@listloop#1{%
\expandafter\blx@listloop@i#1|&}
\long\def\blx@listloop@i#1|{%
\ifblank{#1}
{\blx@break}
{\blx@do{#1}\blx@listloop@i}}
\long\def\blx@break#1&{%
\blx@done
\undef\blx@do
\undef\blx@done}
% {<listmacro>}{<listcsname>} => matches in <listmacro>
\protected\def\blx@filter#1#2{%
\def\do##1{%
\ifinlistcs{##1}{#2}
{\listadd#1{##1}}
{}}%
\blx@runfilter#1}
% {<listmacro>}{<listcsname>} => matches in <listmacro>
% Slightly odd use of filtering to do citation sorting.
% Same as blx@filter but it keeps \tempcnta in step with the
% resulting number of things in the filtered list. This is
% because \tempcnta is used to set citetotal - this use
% of filtering for cite sorting has the side-effect of stripping
% duplicates like \cite{foo,foo} but we need then to keep citetotal
% in sync.
\protected\def\blx@filtercitesort#1#2{%
\blx@tempcnta\z@
\def\do##1{%
\ifinlistcs{##1}{#2}
{\listadd#1{##1}%
\advance\blx@tempcnta\@ne}
{}}%
\blx@runfilter#1}
% {<listmacro>}{<listcsname>} => neg. matches in <listmacro>
\protected\def\blx@notfilter#1#2{%
\def\do##1{%
\ifinlistcs{##1}{#2}
{}
{\listadd#1{##1}}}%
\blx@runfilter#1}
\def\blx@runfilter#1{%
\begingroup\edef#1{\endgroup
\unexpanded{\let#1\@empty\dolistloop}{#1}}%
#1\let\do\noexpand}
% {<code>}{<string>} => <code>{<string>}
\protected\def\blx@xsanitizeafter#1#2{%
\begingroup
\abx@hook@xsanitize
\def\blx@tempa{\endgroup#1}%
\edef\blx@tempb{#2}%
\expandafter\blx@tempa
\expandafter{\detokenize\expandafter{\blx@tempb}}}
\def\abx@hook@xsanitize{%
\blx@safe@actives
\let\protect\string}
% {<code>}{<string>} => <code>{<string>}
\begingroup
\catcode`\<=\active
\catcode`\>=\active
\catcode`\&=\active
\catcode`\"=\active
\catcode`\'=\active
\protected\gdef\blx@xmlsanitizeafter#1#2{%
\begingroup
\abx@hook@xsanitize
\def\blx@tempa{\endgroup#1}%
\edef\blx@tempb{#2}%
\let\do\@makeother
\dospecials
\catcode`\<=\active
\catcode`\>=\active
\catcode`\&=\active
\catcode`\"=\active
\catcode`\'=\active
\edef<{\string<\string;}%
\edef>{\string>\string;}%
\edef&{\string&\string;}%
\edef"{\string"\string;}%
\edef'{\string&apos\string;}%
\endlinechar\m@ne
\everyeof{\noexpand}%
\edef\blx@tempb{\scantokens\expandafter{\blx@tempb}}%
\expandafter\blx@tempa
\expandafter{\detokenize\expandafter{\blx@tempb}}}
\endgroup
% {<file>}{<message>}{<preload>}{<postload>}{<success>}{<failure>}
\protected\long\def\blx@inputonce#1#2#3#4#5#6{%
\ifcsundef{blx@file@#1}
{\blx@info@noline{Trying to load #2..}%
\IfFileExists{#1}
{\blx@info@noline{... file '#1' found}%
\listxadd\blx@list@req@stat{#1}%
#3\@@input\@filef@und#4#5}
{\blx@info@noline{... file '#1' not found}#6}%
\global\csdef{blx@file@#1}{}%
\@addtofilelist{#1}}
{#5}}
% {<write>}{<precode>}{<string>}
\protected\def\blx@auxwrite#1#2#3{%
\if@filesw
\begingroup
\blx@safe@actives
\let\protect\string
#2%
\immediate\write#1{#3}%
\endgroup
\fi}
% {<file>}{<signature>}{<true>}{<false>}
\def\blx@ifsigned#1#2{%
\begingroup
\let\blx@tempa\@firstoftwo
\edef\blx@tempb{\csuse{blx@sig@#2}}%
\edef\blx@tempb{\detokenize\expandafter{\blx@tempb}}%
\openin\blx@bcfin #1.#2\relax
\ifeof\blx@bcfin
\else
\endlinechar\m@ne
\readline\blx@bcfin to \blx@tempc
\ifeof\blx@bcfin
\else
\ifx\blx@tempb\blx@tempc
\readline\blx@bcfin to \blx@tempc
\edef\blx@tempb{\csuse{blx@ver@#2}}%
\edef\blx@tempb{\detokenize\expandafter{\blx@tempb}}%
\ifx\blx@tempb\blx@tempc
\else
\blx@warning@noline{%
File '#1.#2' is wrong format version - expected \blx@bblversion}
\fi
\else
\blx@error
{File '#1.#2' not created by biblatex}
{This file was apparently not created by biblatex.
Rename it or\MessageBreak move it to a location were
TeX will not find it. If this error\MessageBreak
persists, consider redefining \string\blxauxsuffix.%
See the biblatex\MessageBreak manual for details}%
\let\blx@tempa\@secondoftwo
\fi
\fi
\fi
\closein\blx@bcfin
\expandafter\endgroup\blx@tempa}
\edef\blx@sig@bbl{\@percentchar\space $ biblatex auxiliary file $}
\edef\blx@ver@bbl{\@percentchar\space $ biblatex bbl format version \blx@bblversion\space $}
\edef\blx@sig@bcf{\detokenize{<?xml version="1.0" encoding="UTF-8"?>}}
\edef\blx@ver@bcf{%
\detokenize{<bcf:controlfile version="}\blx@bcfversion
\detokenize{" xmlns:bcf="https://sourceforge.net/projects/biblatex">}}
\listadd\blx@globalopts{controlversion}% for passing to the .bcf
% {<true>}{<false>}
\newrobustcmd*{\lbx@ifutfinput}{\ifboolexpr{%
test {\ifdefstring\inputencodingname{utf8}}
or
test {\ifdefstring\inputencodingname{utf8x}}
or
test {\ifdefstring\inputencodingname{lutf8}}
or
( test {\ifundef\inputencodingname}
and
( not test {\ifundef\XeTeXrevision}
or
not test {\ifundef\luatexversion}
)
)
}}
%% User feedback
\protected\def\blx@error#1#2{%
\begingroup
\blx@safe@actives
\PackageError{biblatex}{#1}{#2.}%
\endgroup}
\protected\def\blx@warning@noline#1{%
\begingroup
\blx@safe@actives
\PackageWarningNoLine{biblatex}{#1}%
\endgroup}
\let\blx@warning\blx@warning@noline
\AtEndOfPackage{
\protected\def\blx@warning#1{%
\begingroup
\blx@safe@actives
\PackageWarning{biblatex}{#1}%
\endgroup}}
\protected\def\blx@warning@entry#1{%
\ifdef\abx@field@entrykey
{\blx@warning{#1\MessageBreak at entry '\abx@field@entrykey'}}
{\blx@warning{#1}}}
\protected\def\blx@info@noline#1{%
\begingroup
\blx@safe@actives
\PackageInfo{biblatex}{#1\@gobble}%
\endgroup}
\let\blx@info\blx@info@noline
\AtEndOfPackage{
\protected\def\blx@info#1{%
\begingroup
\blx@safe@actives
\PackageInfo{biblatex}{#1}%
\endgroup}}
\let\blx@noline\@gobble
\AtEndOfPackage{\let\blx@noline\@empty}
\def\blx@imc@BibliographyWarning{\blx@warning@entry}
\blx@regimc\BibliographyWarning
\protected\def\abx@missing#1{%
\mbox{\reset@font\bfseries#1}}
\def\blx@err@patch#1{%
\blx@error
{Patching #1 failed}
{This is an internal issue typically caused by a
conflict\MessageBreak between biblatex and some
other package. Modifying\MessageBreak the package
loading order may fix the problem}}
\def\blx@err@nolang#1{%
\blx@error
{Language '#1' not found}
{The localization module for '#1' could not be found}}
\def\blx@err@invarg#1#2{%
\blx@error
{Argument '#1' invalid}
{\ifblank{#2}
{The argument you have supplied is invalid.\MessageBreak
See the biblatex manual for details}
{#2}}}
\def\blx@err@invopt#1#2{%
\blx@error
{Option '#1' invalid}
{\ifblank{#2}
{The option you have supplied is invalid.\MessageBreak
See the biblatex manual for valid option keys and
possible values}
{#2}}}
\def\blx@err@confopt#1#2{%
\blx@error
{Conflicting options\ifblank{#1}{}{ (#1)}}
{\ifblank{#2}
{The option you have supplied conflicts with another one.\MessageBreak
See the biblatex manual for valid option keys and possible values}
{#2}}}
\def\blx@err@optdef#1{%
\blx@error
{Conflicting options}
{The option '#1' is already defined}}
\def\blx@err@nodocdiv#1{%
\blx@error
{\@backslashchar#1 not provided by class}
{The document class does not seems to support #1s}}
\def\blx@err@nosec#1{%
\blx@error
{Section '#1' not found}
{The reference section '#1' could not be found}}
\def\blx@err@nosort#1{%
\blx@error
{Sorting scheme '#1' not found}
{The sorting scheme '#1' does not seem to have been defined anywhere}}
\def\blx@err@secfirst{%
\blx@error
{'section' not first filter}
{When passing multiple filter options,
the 'section' filter must be given first}}
\protected\def\blx@err@nestcite{%
\blx@error
{Nested citation command}
{Citation commands may not be nested}}
\def\blx@err@nestenv#1{%
\blx@error
{Nested '#1' environment}
{This environment may not be nested}}
\protected\def\blx@err@citecmd#1{%
\begingroup
\escapechar\m@ne
\blx@error
{Command '\@backslashchar\string#1' undefined}
{The citation command '\@backslashchar\string#1'
has not been defined\MessageBreak by the
selected citation style}%
\endgroup}
\def\blx@err@endnote#1{%
\blx@error
{Missing or incomplete endnote support}
{There does not seem to be endnote support available\MessageBreak
or the available support is incomplete.\MessageBreak
If you continue, I will fall back to '\string#1'}%
#1}
\def\blx@err@matchparen#1{%
\blx@error
{Unbalanced parentheses or brackets}
{\iftoggle{blx@footnote}{#1 in foot or endnote}{#1}.\MessageBreak
This error is triggered if \string\bibopenparen\space and
\string\bibcloseparen\MessageBreak or
\string\bibopenbracket\space and \string\bibclosebracket\space
are unbalanced\MessageBreak or mismatched}}
\def\blx@err@nestparen#1{%
\blx@error
{Too deeply nested parentheses or brackets}
{#1 nested too deeply%
\iftoggle{blx@footnote}{\space in foot or endnote}{}.\MessageBreak
This error may also be triggered if \string\mkbibparens\MessageBreak
or \string\mkbibbrackets\space are nested too deeply}}
\def\blx@err@filter{%
\blx@error
{Invalid filter expression}
{The filter expression you have supplied is invalid.\MessageBreak
See the biblatex manual for details}}
\def\blx@warn@nohyph#1{%
\blx@warning{No hyphenation patterns for '#1'}}
\protected\def\blx@warn@citecmd#1#2{%
\blx@warning{%
'\string#1' not defined by citation style.\MessageBreak
Falling back to '\string#2'}%
#2}
\protected\def\blx@warn@nostring#1{%
\blx@warning@entry{Bibliography string '#1' undefined}%
\abx@missing{#1}}
\def\blx@warn@conflopt#1{%
\blx@warning{Conflicting options.\MessageBreak#1}}
\def\blx@warn@depropt#1{%
\blx@warning{Deprecated option.\MessageBreak Ignoring '#1'}}
\def\blx@warn@bibempty{%
\@latex@warning{Empty bibliography}}
\def\blx@warn@biblistempty#1{%
\@latex@warning{Empty biblist '#1'}}
\def\blx@inf@refsec{%
\blx@info{Reference section=\the\c@refsection}}%
\def\blx@inf@refseg{%
\ifnum\c@refsection=\z@
\blx@info{Reference segment=\the\c@refsegment}%
\else
\blx@info{%
Reference section/segment=%
\the\c@refsection/\the\c@refsegment}%
\fi}
\def\blx@inf@creset{%
\blx@info{Resetting trackers}}%
\def\blx@msg@cundef#1{%
Citation '#1' undefined}
\def\blx@msg@cundefon#1{%
Citation '#1' on page \the\c@page\space undefined}
% Dummy as biblatex 2 is biber only. Some style may still use this though.
\newrobustcmd*{\RequireBiber}[1][2]{}
% \blx@list@active active aux files (basename)
% [internal list]
% \blx@list@inactive inactive aux files (basename)
% [internal list]
% \blx@list@bibfiles@<auxfile> aux file -> bib file mapping (refsections)
% aux file (basename) -> bib files (full)
% [internal list]
\let\blx@list@active\@empty
\let\blx@list@inactive\@empty
\listeadd\blx@list@inactive{\jobname}
\protected\def\blx@regbibfiles#1#2{%
\forlistloop{\blx@regbibfile{#1}}{#2}}
\def\blx@regbibfile#1#2{%