\ProvidesFile{ext-authornumber-comp.cbx}
  [2025/06/24 v0.20 extended biblatex authoryear citation style (MW)]

\blx@inputonce{ext-biblatex-aux.def}{auxiliary code for ext-biblatex}
  {}{}{}{}

\ExecuteBibliographyOptions{uniquename,uniquelist,sortcites,autocite=plain}

\DeclareOuterCiteDelims{parencite}{\bibopenparen}{\bibcloseparen}
\DeclareInnerCiteDelims{cite}{\bibopenbracket}{\bibclosebracket}
\DeclareInnerCiteDelims{footcite}{\bibopenbracket}{\bibclosebracket}
\DeclareInnerCiteDelims{textcite}{\bibopenbracket}{\bibclosebracket}


\DeclareFieldFormat{extblx@innercitedelims}{#1}
\DeclareFieldFormat{extblx@innerparencitedelims}{#1}
\DeclareFieldFormat{extblx@innertextcitedelims}{#1}
\DeclareFieldFormat{extblx@innerfootcitedelims}{#1}
\DeclareFieldAlias
  {extblx@innerfootcitetextdelims}
  {extblx@innerfootcitedelims}
\DeclareFieldFormat{extblx@innerbbx@xrefcitedelims}{#1}


\renewcommand*{\iffinalcitedelim}{%
  \ifnumequal{\value{textcitecount}}{\value{textcitetotal}-1}}

\newbool{cbx:parens}

\newbibmacro*{cite:init}{%
  \ifnumless{\value{multicitecount}}{2}
    {\global\boolfalse{cbx:parens}%
     \global\undef\cbx@lasthash}
    {\iffieldundef{prenote}
       {}
       {\global\undef\cbx@lasthash}}}

\newbibmacro*{cite:reinit}{%
  \global\undef\cbx@lasthash}

\DeclareDelimFormat{namenumberdelim}{\addspace}
\DeclareDelimAlias{nonamenumberdelim}{namenumberdelim}

\newbibmacro*{cite}{%
  \iffieldundef{shorthand}
    {\ifnameundef{labelname}
       {\usebibmacro{cite:label}%
        \setunit{%
          \global\booltrue{cbx:parens}%
          \printdelim{nonamenumberdelim}%
          \csuse{extblx@citedelim@\blx@delimcontext @inner@open}}%
        \usebibmacro{cite:extraname}%
        \usebibmacro{cite:reinit}}
       {\iffieldequals{namehash}{\cbx@lasthash}
          {\setunit{\compcitedelim}%
           \usebibmacro{cite:extraname}}
          {\printnames{labelname}%
           \setunit{%
             \global\booltrue{cbx:parens}%
             \printdelim{namenumberdelim}%
             \csuse{extblx@citedelim@\blx@delimcontext @inner@open}}%
           \usebibmacro{cite:extraname}%
           \savefield{namehash}{\cbx@lasthash}}}}
    {\usebibmacro{cite:shorthand}%
     \usebibmacro{cite:reinit}}%
  \setunit{%
    \ifbool{cbx:parens}
      {\csuse{extblx@citedelim@\blx@delimcontext @inner@close}%
       \global\boolfalse{cbx:parens}}
      {}%
    \multicitedelim}}

\newbibmacro*{cite:extraname}{%
  \printtext[extblx@inner\blx@delimcontext delims]{%
    \printtext[bibhyperref]{%
      \iffieldundef{extraname}
        {\printtext[extraname]{1}}
        {\printfield{extraname}}}}}

\newbibmacro*{cite:shorthand}{%
  \printtext[bibhyperref]{\printfield{shorthand}}}

\newbibmacro*{cite:label}{%
  \iffieldundef{label}
    {\printtext[bibhyperref]{\printfield[citetitle]{labeltitle}}}
    {\printtext[bibhyperref]{\printfield{label}}}}

\newbibmacro*{citenum}{%
  \iffieldundef{shorthand}
    {\iffieldequals{namehash}{\cbx@lasthash}
       {\setunit{\compcitedelim}}
       {\ifundef\cbx@lasthash
          {}
          {\extblx@warning{%
             Headless citation to different labelnames\MessageBreak
             may lead to weird results}}}%
     \usebibmacro{cite:extraname}%
     \savefield{namehash}{\cbx@lasthash}}
    {\usebibmacro{cite:shorthand}%
     \usebibmacro{cite:reinit}}%
  \setunit{\multicitedelim}}

\newbibmacro*{cite:postnote}{%
  \setunit{}%
  \printtext{%
    \ifbool{cbx:parens}
      {\csuse{extblx@citedelim@\blx@delimcontext @inner@close}%
       \global\boolfalse{cbx:parens}}
      {}}%
  \usebibmacro{postnote}}

\newbibmacro*{textcite}{%
  \iffieldequals{namehash}{\cbx@lasthash}
    {\setunit{\compcitedelim}%
     \iffieldundef{shorthand}
       {\usebibmacro{cite:extraname}}
       {\usebibmacro{cite:shorthand}}}
    {\ifnameundef{labelname}
       {\iffieldundef{shorthand}
          {\usebibmacro{cite:label}%
           \setunit{%
             \global\booltrue{cbx:parens}%
             \printdelim{nonamenumberdelim}%
             \csuse{extblx@citedelim@\blx@delimcontext @inner@open}}%
           \ifnumequal{\value{citecount}}{1}
             {\usebibmacro{prenote}}
             {}%
           \usebibmacro{cite:extraname}}
          {\usebibmacro{cite:shorthand}}}
       {\printnames{labelname}%
        \setunit{%
          \global\booltrue{cbx:parens}%
          \printdelim{namenumberdelim}%
          \csuse{extblx@citedelim@\blx@delimcontext @inner@open}}%
        \ifnumequal{\value{citecount}}{1}
          {\usebibmacro{prenote}}
          {}%
        \iffieldundef{shorthand}
          {\usebibmacro{cite:extraname}}
          {\usebibmacro{cite:shorthand}}%
     \stepcounter{textcitecount}%
     \savefield{namehash}{\cbx@lasthash}}}%
  \setunit{%
    \ifbool{cbx:parens}
      {\csuse{extblx@citedelim@\blx@delimcontext @inner@close}%
       \global\boolfalse{cbx:parens}}
      {}%
    \textcitedelim}}

\newbibmacro*{textcite:postnote}{%
  \usebibmacro{postnote}%
  \ifnumequal{\value{multicitecount}}{\value{multicitetotal}}
    {\setunit{}%
     \printtext{%
       \ifbool{cbx:parens}
         {\csuse{extblx@citedelim@\blx@delimcontext @inner@close}%
          \global\boolfalse{cbx:parens}}
         {}}}
    {\setunit{%
       \ifbool{cbx:parens}
         {\csuse{extblx@citedelim@\blx@delimcontext @inner@close}%
          \global\boolfalse{cbx:parens}}
         {}%
       \textcitedelim}}}

\DeclareCiteCommand{\cite}[\mkoutercitedelims]
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}
  {}
  {\usebibmacro{cite:postnote}}

\DeclareCiteCommand*{\cite}[\mkoutercitedelims]
  {\delimcontext{cite}%
   \usebibmacro{cite:init}%
   \usebibmacro{prenote}%
   \printtext{%
     \global\booltrue{cbx:parens}%
     \printdelim{nonamenumberdelim}%
     \csuse{extblx@citedelim@\blx@delimcontext @inner@open}}}
  {\usebibmacro{citeindex}%
   \usebibmacro{citenum}}
  {}
  {\usebibmacro{cite:postnote}}

\DeclareCiteCommand{\parencite}[\mkouterparencitedelims]
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}
  {}
  {\usebibmacro{cite:postnote}}

\DeclareCiteCommand*{\parencite}[\mkouterparencitedelims]
  {\delimcontext{parencite}%
   \usebibmacro{cite:init}%
   \usebibmacro{prenote}%
   \printtext{%
     \global\booltrue{cbx:parens}%
     \printdelim{nonamenumberdelim}%
     \csuse{extblx@citedelim@\blx@delimcontext @inner@open}}}
  {\usebibmacro{citeindex}%
   \usebibmacro{citenum}}
  {}
  {\usebibmacro{cite:postnote}}

\DeclareCiteCommand{\footcite}[\mkextblxfootcite]
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}
  {}
  {\usebibmacro{cite:postnote}}

\DeclareCiteCommand{\footcitetext}[\mkextblxfootcite]
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}
  {}
  {\usebibmacro{cite:postnote}}

% smartcite's delimcontext needs special attention
% (see ext-biblatex-aux.def)
\DeclareCiteCommand{\smartcite}[\mksmartcite]
  {\delimcontext{\extblx@thisdelimcontext}%
   \usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}
  {}
  {\usebibmacro{cite:postnote}}

\DeclareCiteCommand{\cbx@textcite}[\mkoutertextcitedelims]
  {\usebibmacro{cite:init}}
  {\usebibmacro{citeindex}%
   \usebibmacro{textcite}}
  {}
  {\usebibmacro{textcite:postnote}}

\DeclareCiteCommand{\textcite}[\cbx@textcite@init\cbx@textcite]
  {\gdef\cbx@savedkeys{}%
   \citetrackerfalse%
   \pagetrackerfalse%
   \DeferNextCitekeyHook%
   \usebibmacro{cite:init}}
  {\ifthenelse{\iffirstcitekey\AND\value{multicitetotal}>0}
     {\protected@xappto\cbx@savedcites{()(\thefield{multipostnote})}%
      \global\clearfield{multipostnote}}
     {}%
   \xappto\cbx@savedkeys{\thefield{entrykey},}%
   \iffieldequals{namehash}{\cbx@lasthash}
     {}
     {\stepcounter{textcitetotal}%
      \savefield{namehash}{\cbx@lasthash}}}
  {}
  {\protected@xappto\cbx@savedcites{%
     [\thefield{prenote}][\thefield{postnote}]{\cbx@savedkeys}}}

% textcite has nested \DeclareCiteCommand definitions for textcite and we want to use
% the normal textcite context
\DeclareDelimcontextAlias{cbx@textcite}{textcite}

\newrobustcmd{\cbx@textcite@init}[2]{%
  \setcounter{textcitetotal}{0}%
  \setcounter{textcitecount}{0}%
  \def\cbx@savedcites{#1}#2%
  \ifnumgreater{\value{textcitetotal}}{0}
    {\cbx@savedcites}
    {}}

\DeclareMultiCiteCommand{\cbx@textcites}{\cbx@textcite}{}
\DeclareMultiCiteCommand{\textcites}[\cbx@textcites@init\cbx@textcites]{\textcite}{}

\let\cbx@textcites@init\cbx@textcite@init
\pretocmd{\cbx@textcites@init}{\UseNextMultiCiteHook}{}{}

\DeclareMultiCiteCommand{\cbx@textcites}[\mkoutertextcitedelims]
  {\cbx@textcite}{}

\DeclareMultiCiteCommand{\cites}[\mkoutercitedelims]
  {\cite}{\setunit{\multicitedelim}}
\DeclareMultiCiteCommand{\parencites}[\mkouterparencitedelims]
  {\parencite}{\setunit{\multicitedelim}}
\DeclareMultiCiteCommand{\footcites}[\mkextblxfootcite]
  {\footcite}{\setunit{\multicitedelim}}
\DeclareMultiCiteCommand{\footcitetexts}[\mkextblxfootcitetext]
  {\footcitetext}{\setunit{\multicitedelim}}
\DeclareMultiCiteCommand{\smartcites}[\mksmartcite]
  {\smartcite}{\setunit{\multicitedelim}}


\renewbibmacro*{bbx:xrefcite}{%
  \usebibmacro{cite:init}%
  \usebibmacro{cite}%
  \clearfield{postnote}%
  \usebibmacro{cite:postnote}}

\DeclareFieldFormat{extblx@innerbbx@introcitedelims}{%
  \csuse{mkinner\blx@delimcontext delims}{#1}}

\renewbibmacro*{bbx:introcite}{%
  \usebibmacro{cite:init}%
  \usebibmacro{cite}%
  \clearfield{postnote}%
  \usebibmacro{cite:postnote}}

\endinput
%
% This file is part of the biblatex-ext bundle.
% biblatex-ext is released under the LaTeX Project Public License v1.3c
% or later.
%
% A complete list of files included in that package can be found in
% README.md or - failing that - in ext-standard.bbx.
%
% Official releases of this package are on CTAN
%   https://www.ctan.org/pkg/biblatex-ext
% development takes place on GitHub
%   https://github.com/moewew/biblatex-ext
%