\ProvidesFile{greifswald.bbx}[2026/05/25 v1 Greifswald bibliography style for biblatex]

\RequireBibliographyStyle{ext-authoryear}

% Lengths
\newlength\greifswaldindent
\setlength\greifswaldindent{1em}
\setlength\bibnamesep{0.5em}

% Formatting
\DeclareFieldFormat{biblabeldate}{#1}
\renewcommand\mkbibcompletename[1]{\textbf{#1}}
\DeclareFieldFormat*{title}{#1}
\DeclareFieldFormat{journaltitle}{#1}
\DeclareFieldFormat{issuetitle}{#1}
\DeclareFieldFormat{maintitle}{#1}
\DeclareFieldFormat{booktitle}{#1}

% Macros
\newbibmacro{greifswald:doi+eprint+url}{%
    \usebibmacro{doi+eprint+url}%
}
\newbibmacro{greifswald:omitdoi+eprint+url}{%
    \clearfield{doi}%
    \clearfield{eprint}%
    \clearfield{url}%
    \clearfield{urldate}%
}
\newbibmacro{greifswald:omitpublisher+location}{%
    \clearlist{publisher}%
    \clearlist{location}%
}
\renewbibmacro{in:}{%
    \usebibmacro{greifswald:doi+eprint+url}%
    \usebibmacro{greifswald:omitdoi+eprint+url}%
    \newunit\newblock
    \newline\hspace*{\greifswaldindent}\setunit{}
}
\AtEveryBibitem{%
    \iffieldundef{doi}{}{\usebibmacro{greifswald:omitpublisher+location}}%
    \iffieldundef{isbn}{}{\usebibmacro{greifswald:omitpublisher+location}}%
    \iffieldundef{issn}{}{\usebibmacro{greifswald:omitpublisher+location}}%
}