% standard-dw.cbx, Dominik Waßenhoven 2023

\ProvidesFile{standard-dw.cbx}[2023/03/11 v1.7b biblatex citation style]

\@ifpackagelater{biblatex}{2016/03/11}
  {}
  {\PackageError{biblatex-dw}
    {Outdated 'biblatex' package\MessageBreak
     Upgrade to biblatex v3.3 (2016/03/11) or later.\MessageBreak
     I found: '\csuse{ver@biblatex.sty}'.\MessageBreak
     This is a fatal error. I'm aborting now}%
     \endinput}

\newbool{cbx:authauthxref}
\newbool{cbx:authedxref}
\newbool{cbx:citeauthor}
\newbool{cbx:citeauthorfoot}
\newbool{cbx:citeauthornormalfont}
\newbool{cbx:citeauthornamefirstfull}
\newbool{cbx:citeauthornamefull}
\newbool{cbx:citedas}
\newbool{cbx:edstringincitations}
\newbool{cbx:fullcite}% Test, ob fullcite ausgeführt wurde (wichtig für @review)
\newbool{cbx:idemfull}
\newbool{cbx:noidem}
\newbool{cbx:omiteditor}
\newbool{cbx:rpcited}% wurde der parent des @review schon zitiert?
\newbool{cbx:xrefparent:firstcite}
\newbool{cbx:shorthandibid}
\newbool{cbx:loccit}

\newbibmacro*{cite:citepages}{}
\newbibmacro*{cite:full:citepages}{}
\newbibmacro*{cite:postnote}{}
 
\DeclareBibliographyOption{citedas}[true]{%
  \csuse{bool#1}{cbx:citedas}}
\DeclareBibliographyOption{edstringincitations}[true]{%
  \csuse{bool#1}{cbx:edstringincitations}}
\DeclareBibliographyOption{omiteditor}[true]{%
  \csuse{bool#1}{cbx:omiteditor}}
\DeclareBibliographyOption{shorthandibid}[true]{%
  \csuse{bool#1}{cbx:shorthandibid}}

\DeclareEntryOption{citedas}[true]{%
  \csuse{bool#1}{cbx:citedas}}
\DeclareEntryOption{shorthandibid}[true]{%
  \csuse{bool#1}{cbx:shorthandibid}}

\DeclareBibliographyOption{citeauthor}[namefont]{%
  \ifcsdef{cbx@opt@citeauthor@#1}
    {\csuse{cbx@opt@citeauthor@#1}}
    {\blxdw@error{%
       Invalid option 'citeauthor=#1'\MessageBreak
       Valid values are 'namefont', 'namefontfoot', 'normalfont'}}}
\def\cbx@opt@citeauthor@namefont{%
  \boolfalse{cbx:citeauthornormalfont}%
  \boolfalse{cbx:citeauthorfoot}}
\def\cbx@opt@citeauthor@namefontfoot{%
  \boolfalse{cbx:citeauthornormalfont}%
  \booltrue{cbx:citeauthorfoot}}
\def\cbx@opt@citeauthor@normalfont{%
  \booltrue{cbx:citeauthornormalfont}%
  \boolfalse{cbx:citeauthorfoot}}

\DeclareBibliographyOption{citeauthorname}[normal]{%
  \ifcsdef{cbx@opt@citeauthorname@#1}
    {\csuse{cbx@opt@citeauthorname@#1}}
    {\blxdw@error{%
       Invalid option 'citeauthorname=#1'\MessageBreak
       Valid values are 'normal', 'firstfull', 'full'}}}
\def\cbx@opt@citeauthorname@normal{%
  \boolfalse{cbx:citeauthornamefull}%
  \boolfalse{cbx:citeauthornamefirstfull}}
\def\cbx@opt@citeauthorname@firstfull{%
  \boolfalse{cbx:citeauthornamefull}%
  \booltrue{cbx:citeauthornamefirstfull}}
\def\cbx@opt@citeauthorname@full{%
  \booltrue{cbx:citeauthornamefull}%
  \boolfalse{cbx:citeauthornamefirstfull}}
  
\DeclareBibliographyOption{firstfullname}[true]{% aus Kompatibilitätsgründen
  \blxdw@error{%
    Option 'firstfullname' is obsolete,\MessageBreak
    please use option 'citeauthorname' instead}}

\DeclareBibliographyOption{ibidpage}[true]{%
  \ifstrequal{#1}{true}
    {\ExecuteBibliographyOptions{loccittracker=context}}% Standard: constrict
    {\ExecuteBibliographyOptions{loccittracker=false}}}

\DeclareBibliographyOption{pageref}[true]{%
  \setbool{cbx:pageref}{#1}}

\DeclareBibliographyOption{citepages}[permit]{%
  \ifcsdef{cbx@opt@citepages@#1}
    {\csuse{cbx@opt@citepages@#1}}
    {\blxdw@error
       {Invalid option 'citepages=#1'\MessageBreak
        Valid values are 'permit', 'suppress', 'omit', 'separate'}}}

\def\cbx@opt@citepages@permit{%
  \renewbibmacro*{cite:citepages}{}%
  \renewbibmacro*{cite:full:citepages}{}%
  \renewbibmacro*{cite:postnote}{%
    \usebibmacro{cite:postnote:ibidpage}}}

\def\cbx@opt@citepages@suppress{%
  \renewbibmacro*{cite:citepages}{}%
  \renewbibmacro*{cite:full:citepages}{%
    \clearfield{pages}%
    \clearfield{pagetotal}}%
  \renewbibmacro*{cite:postnote}{%
    \usebibmacro{cite:postnote:ibidpage}}}

\def\cbx@opt@citepages@omit{%
  \renewbibmacro*{cite:citepages}{}%
  \renewbibmacro*{cite:full:citepages}{%
    \ifboolexpr{
      test {\ifnumequal{\value{citecount}}{\value{citetotal}}}
      and
      test {\iffieldpages{postnote}}
    }
      {\clearfield{pages}%
       \clearfield{pagetotal}}
      {}}%
  \renewbibmacro*{cite:postnote}{%
    \usebibmacro{cite:postnote:ibidpage}}}

\def\cbx@opt@citepages@separate{%
  \providetoggle{cbx:fullcite}%
  \renewbibmacro*{cite:citepages}{%
    \global\togglefalse{cbx:fullcite}}%
  \renewbibmacro*{cite:full:citepages}{%
    \global\toggletrue{cbx:fullcite}}%
  \renewbibmacro*{cite:postnote}{%
    \ifboolexpr{
    togl {cbx:fullcite}
    and
    test {\iffieldpages{postnote}}
    and
    test {\ifnumequal{\value{citecount}}{\value{citetotal}}}
    and
    ( not test {\iffieldundef{pages}}
      or
      ( not test {\iffieldundef{pagetotal}}
        and
        bool {bbx:pagetotal}
      ) 
    )
    }
      {\usebibmacro{cite:postnote:pages}}
      {\usebibmacro{cite:postnote:ibidpage}}}
  \providebibmacro*{cite:postnote:pages}{%
    \setunit{\postnotedelim}%
    \bibstring{thiscite}%
    \setunit{\addspace}%
    \printfield{postnote}}}

\ExecuteBibliographyOptions{
  autocite=footnote,
  citedas=true,
  citepages=separate,
  citetracker=true,
  edstringincitations=true,
  ibidtracker=constrict,
  idemtracker=constrict,
  opcittracker=false,
  pagetracker=true,
  shorthandibid=true
}

\InitializeCitationStyle{%
  \usebibmacro{cite:reset}}

\OnManualCitation{%
  \usebibmacro{cite:reset}}

\newbibmacro*{cite:reset}{%
  \global\undef\cbx@lasthash%
  \global\booltrue{cbx:noidem}}

\newbibmacro*{cite:save}{%
  \savefield{fullhash}{\cbx@lasthash}%
  \csxdef{cbx:lastcite@\thefield{entrykey}}{\the\value{instcount}}%
  \global\boolfalse{cbx:noidem}}

% Ausschalten von annotation und library für Zitate im Text
\AtEveryCite{%
  \boolfalse{bbx:annotation}%
  \boolfalse{bbx:library}%
}

%% Doppelpunkt nach Autoren/Editoren
%% aus Kompatibilitätsgründen zu früheren Versionen wird
%% \citenamepunct verwendet
\newcommand*{\citenamepunct}{\addcolon\space}
\renewcommand*{\nametitledelim}{\citenamepunct}
\AtEveryCite{% bei jedem Zitat nametitledelim statt labelnamepunct verwenden
  \let\labelnamepunct\nametitledelim
}

%% Slashes zwischen Autoren/Editoren
\newcommand*{\citerevsdnamedelim}{}
\newcommand*{\citemultinamedelim}{\slash}
\newcommand*{\citefinalnamedelim}{\slash}
\AtBeginDocument{%
 \let\revsdnamedelim\citerevsdnamedelim
 \let\multinamedelim\citemultinamedelim
 \let\finalnamedelim\citefinalnamedelim
}
\AtBeginBibliography{% am Anfang des Literaturverzeichnisses umschalten wegen xref
 \let\citerevsdnamedelim\bibrevsdnamedelim
 \let\citemultinamedelim\bibmultinamedelim
 \let\citefinalnamedelim\bibfinalnamedelim
}

%% Textcite delimiter
\newcommand*{\textcitesdelim}{\addspace\bibstring{and}\space}

%% Titelformate in Zitaten
\DeclareFieldFormat*{citetitle}{#1}

\newbibmacro*{cite:name}{%
  \printnames{labelname}%
  \usebibmacro{cite:edstringincitations}}
  
\newbibmacro*{cite:idem}{%
  \bibstring[\mkidem]{idem\thefield{gender}}%
  \usebibmacro{cite:edstringincitations}}

\newbibmacro*{cite:xref:idem}{%
  \bibstring[\mkidem]{idem\thefield{gender}}%
  \usebibmacro{cite:edstringincitations}%
  \ifuseeditor
    {\ifnameundef{editor}
      {\ifboolexpr{
        test \ifusetranslator
        and
        not test {\ifnameundef{translator}}
      }
        {\clearname{translator}}
        {}}
      {\clearname{editor}}}
    {\ifboolexpr{
      test \ifusetranslator
      and
      not test {\ifnameundef{translator}}
    }
      {\clearname{translator}}
      {}}}

\newbibmacro*{cite:edstringincitations}{%
  \ifbool{cbx:edstringincitations}
    {\usebibmacro{cite:editorstrg/translatorstrg}}
    {}%
  \setunit{\nametitledelim}}
  
\newbibmacro*{cite:editorstrg/translatorstrg}{%
  \ifthenelse{\ifuseeditor\AND\ifnameundef{author}%
                          \AND\NOT\ifnameundef{editor}}
    {\usebibmacro{editorstringpunct}%
     \usebibmacro{editorstrg}%
     \clearname{editor}}
    {}%
  \ifthenelse{\ifusetranslator\AND\ifnameundef{author}%
                              \AND\ifnameundef{editor}%
                              \AND\NOT\ifnameundef{translator}}
    {\usebibmacro{editorstringpunct}%
     \usebibmacro{translatorstrg}%
     \clearname{translator}}
    {}}

% Option 'citeauthorname'
\newcommand*{\cbx@seennames}{}
\newrobustcmd*{\cbx@nameseen}[1]{%
  \listxadd{\cbx@seennames}{\detokenize{#1}}}
\newrobustcmd*{\cbx@ifnameseen}[1]{%
  \xifinlist{\detokenize{#1}}{\cbx@seennames}}

\AtBeginDocument{%
  \ifbool{cbx:citeauthornamefirstfull}
    {\DeclareNameFormat{citeauthor}{%
       \nameparts{#1}%
       \cbx@ifnameseen{\namepartfamily\namepartgiven\namepartprefix\namepartsuffix}
         {\ifcase\value{uniquename}%
            \usebibmacro{name:family}{\namepartfamily}{\namepartgiven}{\namepartprefix}{\namepartsuffix}%
          \or
            \ifuseprefix
              {\usebibmacro{name:given-family}{\namepartfamily}{\namepartgiveni}{\namepartprefix}{\namepartsuffixi}}
              {\usebibmacro{name:given-family}{\namepartfamily}{\namepartgiveni}{\namepartprefixi}{\namepartsuffixi}}%
          \fi}%
         {\usebibmacro{name:given-family}{\namepartfamily}{\namepartgiven}{\namepartprefix}{\namepartsuffix}%
          \cbx@nameseen{\namepartfamily\namepartgiven\namepartprefix\namepartsuffix}}%
       \usebibmacro{name:andothers}}%
     \DeclareCiteCommand{\citeauthor}
       {\booltrue{cbx:citeauthor}%
        \boolfalse{citetracker}%
        \boolfalse{pagetracker}%
        \usebibmacro{prenote}}
       {\indexnames{labelname}%
        \printnames[citeauthor]{labelname}}
       {\multicitedelim}
       {\usebibmacro{postnote}}}
    {\ifbool{cbx:citeauthornamefull}
      {\DeclareNameFormat{citeauthor}{%
        \nameparts{#1}%
         \ifuseprefix
            {\usebibmacro{name:given-family}{\namepartfamily}{\namepartgiveni}{\namepartprefix}{\namepartsuffixi}}
            {\usebibmacro{name:given-family}{\namepartfamily}{\namepartgiven}{\namepartprefix}{\namepartsuffix}}%
         \usebibmacro{name:andothers}}%
      \DeclareCiteCommand{\citeauthor}
        {\booltrue{cbx:citeauthor}%
          \boolfalse{citetracker}%
          \boolfalse{pagetracker}%
          \usebibmacro{prenote}}
        {\indexnames{labelname}%
         \printnames[citeauthor]{labelname}}
        {\multicitedelim}
        {\usebibmacro{postnote}}}
      {\DeclareCiteCommand{\citeauthor}
        {\booltrue{cbx:citeauthor}%
         \boolfalse{citetracker}%
         \boolfalse{pagetracker}%
         \usebibmacro{prenote}}
        {\indexnames{labelname}%
         \printnames{labelname}}
        {\multicitedelim}
        {\usebibmacro{postnote}}}}}

%% Formatierung von 'ibidem' entsprechend der Option 'ibidemfont'
\providecommand*{\mkibid}[1]{%
  \bbx@ibidemfont{#1}}

%% pages (wichtig für xref)
\newbibmacro*{pages}{%
  \setunit{\bibpagespunct}%
  \printfield{pages}}

%% in manchen Literaturverweisen (wenn nicht fullcite)
%% müssen statt der vollen Namen (Format [byeditor])
%% nur die Nachnamen ausgegeben werden (Format [labelname]) 
\newbibmacro*{cite:byeditor}{%
  \ifnameundef{editor}
    {\ifnameundef{translator}
      {}
      {\usebibmacro{bytypestrg}{translator}{translator}%
       \setunit{\addspace}%
       \printnames[labelname]{translator}}}
    {\usebibmacro{bytypestrg}{editor}{editor}%
     \setunit{\addspace}%
     \printnames[labelname]{editor}}}

\newbibmacro*{cite:author}{%
  \ifboolexpr{
    test \ifuseauthor
    and
    not test {\ifnameundef{author}}
  }
    {\ifbool{xrefidem}
      {\ifthenelse{\iffieldequals{fullhash}{\bbx@lasthash}\AND
                   \NOT\iffirstonpage}
        {\usebibmacro{cite:idem}}
        {\printnames[labelname]{author}%
         \setunit{\nametitledelim}}}
      {\printnames[labelname]{author}%
       \setunit{\nametitledelim}%
       \global\undef\bbx@lasthash}%
     \clearname{author}}
    {}}

\newbibmacro*{cite:editor}{%
  \ifboolexpr{
    test \ifuseeditor
    and
    not test {\ifnameundef{editor}}
  }
    {\ifbool{bbx:edbyidem}
      {\ifthenelse{\iffieldequals{fullhash}{\bbx@lasthash}\AND
                   \NOT\iffirstonpage}
        {\usebibmacro{cite:idem}}
        {\printnames[labelname]{editor}%
         \usebibmacro{cite:edstringincitations}}}
      {\printnames[labelname]{editor}%
       \usebibmacro{cite:edstringincitations}%
       \global\undef\bbx@lasthash}%
     \clearname{editor}}
    {}%
  \ifboolexpr{
    test \ifusetranslator
    and
    not test {\ifnameundef{translator}}
    and 
      ( not test \ifuseeditor
      or
        ( test \ifuseeditor
          and 
          test {\ifnameundef{editor}} ) )
  }
    {\ifbool{bbx:edbyidem}
      {\ifthenelse{\iffieldequals{fullhash}{\bbx@lasthash}\AND
                   \NOT\iffirstonpage}
         {\usebibmacro{cite:idem}}
         {\printnames[labelname]{translator}%
          \usebibmacro{cite:edstringincitations}}}
      {\printnames[labelname]{translator}%
       \usebibmacro{cite:edstringincitations}%
       \global\undef\bbx@lasthash}%
     \clearname{translator}}
    {}}
  
\newbibmacro*{cite:postnote:ibidpage}{%
  \ifbool{cbx:loccit}
    {}
    {\usebibmacro{postnote}}}

%% Test, ob author und editor bei xref identisch sind 
%% (für xref=true, useeditor=false oder usetranslator=false,
%% edbyidem=true)
\newbibmacro*{authedxrefcheck}{%
  \iffieldundef{xref}
    {}
    {\savefield{xref}{\bbx@tempa}%
     \savefield{xref}{\bbx@tempb}%
     \entrydata{\bbx@tempa}{%
       \savename{editor}{\bbx@tempa}}%
     \entrydata{\bbx@tempb}{%
       \savename{translator}{\bbx@tempb}}%
     \ifboolexpr{
       test {\ifnameequals{author}{\bbx@tempa}}
       or
       test {\ifnameequals{author}{\bbx@tempb}}
     }
       {\booltrue{cbx:authedxref}}
       {\boolfalse{cbx:authedxref}}}}

%% Test, ob author des @inbook und author des @book bei xref 
%% identisch sind (für xref=true, edbyidem=true); nötig, 
%% damit der Herausgeber nicht durch idem ersetzt wird
%\newbool{cbx:autheddiff}% auther of @inbook and editor of @book differ
\newbibmacro*{authauthxrefcheck}{%
  \iffieldundef{xref}
    {}
    {\savefield{xref}{\bbx@tempa}%
     \entrydata{\bbx@tempa}{%
       \savename{author}{\bbx@tempa}}%
     \ifboolexpr{
       test {\ifnameequals{author}{\bbx@tempa}}
     }
       {\booltrue{cbx:authauthxref}}
       {\boolfalse{cbx:authauthxref}}}}

%% für @review
\DeclareCiteCommand{\bbx@review}
	{}
	{\usebibmacro{citeindex}%
   \ifentryseen{\bbx@reviewparent}
    {\booltrue{cbx:rpcited}}
    {\boolfalse{cbx:rpcited}}%
   \ifbool{cbx:fullcite}
    {\usedriver
      {\DeclareNameAlias{sortname}{default}}
      {\thefield{entrytype}}}
    {\usebibmacro{cite}}}
	{}
	{}

%% xref
\DeclareCiteCommand{\bbx@xref}
	{}
	{\usebibmacro{cite:xref}}
	{}
	{}

\endinput