% This is a biblatex citation style file, adapted from Lehman's
% authoryear-comp.cbx.  It is heavily modified, with the intention of
% providing inline citations (and a reference list) for the
% author-date (trad) style of the Chicago Manual of Style, 16th edition.

\ProvidesFile{chicago-authordate-trad16.cbx}[2022/07/02 v 3.18 biblatex
citation style]

\RequireCitationStyle{chicago-dates-common16}

%%%% Trad-only Option %%%%

\DeclareBibliographyOption{headline}[true]{%
  \renewcommand{\MakeSentenceCase}{\@ifstar\relax\relax}}

%%%% Field Formats -- Title, Citetitle, Lostitle %%%%

\DeclareFieldFormat{title}{\mkbibemph{\MakeSentenceCase*{#1}}\isdot}

\DeclareFieldFormat{citetitle}{\mkbibemph{\MakeSentenceCase*{#1}}\isdot}

\DeclareFieldFormat{lostitle}{\mkbibemph{\MakeSentenceCase*{#1}}\isdot}

\DeclareFieldFormat{subtitle}{\mkbibemph{\MakeSentenceCase*{#1}}\isdot}

\DeclareFieldFormat
[article,inbook,incollection,inproceedings,online,patent,thesis,unpublished]
{title}{%
  \iffieldundef{title}%
  {}%
  {\MakeSentenceCase*{#1}}}

\DeclareFieldFormat
[article,inbook,incollection,inproceedings,online,patent,thesis,unpublished]
{citetitle}{\MakeSentenceCase*{#1}}

\DeclareFieldFormat
[article,inbook,incollection,inproceedings,online,patent,thesis,unpublished]
{lostitle}{\MakeSentenceCase*{#1}}

\DeclareFieldFormat
[article,inbook,incollection,inproceedings,online,patent,thesis,unpublished]
{subtitle}{%
  \iffieldundef{subtitle}%
  {}%
  {\MakeSentenceCase*{#1}}}

\DeclareFieldFormat[artwork,image]{title}{%
  \iffieldundef{entrysubtype}%
  {\mkbibemph{\MakeSentenceCase*{#1}}\isdot}%
  {\MakeSentenceCase*{#1}\isdot}}

\DeclareFieldFormat[artwork,image]{subtitle}{%
  \iffieldundef{entrysubtype}%
  {\mkbibemph{\MakeSentenceCase*{#1}}\isdot}%
  {\MakeSentenceCase*{#1}\isdot}}

\DeclareFieldAlias[artwork]{citetitle}[artwork]{title}

\DeclareFieldAlias[artwork]{lostitle}[artwork]{title}

\DeclareFieldFormat[periodical]{title}{\mkbibemph{#1}\isdot}

\DeclareFieldFormat[periodical]{citetitle}{\mkbibemph{#1}\isdot}

\DeclareFieldFormat[periodical]{lostitle}{\mkbibemph{#1}\isdot}

\DeclareFieldFormat[periodical]{subtitle}{\mkbibemph{#1}\isdot}

\DeclareFieldAlias[image]{citetitle}[artwork]{title}

\DeclareFieldAlias[image]{lostitle}[artwork]{title}

\DeclareFieldFormat[letter]{title}{#1\isdot}

\DeclareFieldFormat[letter]{citetitle}{#1\isdot}

\DeclareFieldFormat[letter]{lostitle}{#1\isdot}

\DeclareFieldFormat[letter]{subtitle}{#1\isdot}

\DeclareFieldFormat[suppbook,suppcollection]{title}{%
  \mkbibemph{\MakeSentenceCase*{#1}}\isdot}

\DeclareFieldAlias[suppbook]{citetitle}[suppbook]{lostitle}

\DeclareFieldFormat[suppbook,suppcollection]{lostitle}{%
  \usebibmacro{inforaft}%
  \addspace%
  \mkbibemph{\MakeSentenceCase*{#1}}\isdot}

\DeclareFieldFormat[suppbook,suppcollection]{subtitle}{%
  \mkbibemph{\MakeSentenceCase*{#1}}\isdot}

\DeclareFieldAlias[suppcollection]{citetitle}[suppbook]{lostitle}

\DeclareFieldFormat[misc]{title}{%
  \iffieldundef{entrysubtype}%
  {\mkbibemph{\MakeSentenceCase*{#1}}\isdot}%
  {\ifcapital{\MakeCapital{#1\isdot}}{#1\isdot}}}

\DeclareFieldAlias[misc]{citetitle}[misc]{title}

\DeclareFieldAlias[misc]{lostitle}[misc]{title}

\DeclareFieldFormat[misc]{subtitle}{%
  \iffieldundef{entrysubtype}%
  {\mkbibemph{\MakeSentenceCase*{#1}}\isdot}%
  {\ifcapital{\MakeCapital{#1\isdot}}{#1\isdot}}}

\DeclareFieldFormat[report]{title}{%
  \iffieldequalstr{entrysubtype}{unpublished}%
  {\MakeSentenceCase*{#1}}%
  {\mkbibemph{\MakeSentenceCase*{#1}}\isdot}}%

\DeclareFieldFormat[report]{citetitle}{%
  \iffieldequalstr{entrysubtype}{unpublished}%
  {\MakeSentenceCase*{#1}}%
  {\mkbibemph{\MakeSentenceCase{#1}}\isdot}}

\DeclareFieldFormat[report]{lostitle}{%
  \iffieldequalstr{entrysubtype}{unpublished}%
  {\MakeSentenceCase*{#1}}%
  {\mkbibemph{\MakeSentenceCase*{#1}}\isdot}}

\DeclareFieldFormat[review,suppperiodical]{title}{%
  \ifcapital{\MakeCapital{#1\isdot}}%
  {#1\isdot}}

\DeclareFieldAlias[review]{lostitle}[review]{title}

\DeclareFieldAlias[review]{citetitle}[review]{title}

\DeclareFieldAlias[suppperiodical]{citetitle}[review]{title}

\DeclareFieldAlias[suppperiodical]{lostitle}[review]{title}

\DeclareFieldFormat[review,suppperiodical]{subtitle}{%
  \ifcapital{\MakeCapital{#1\isdot}}%
  {#1\isdot}}

\DeclareFieldFormat{booktitle}{\mkbibemph{\MakeSentenceCase*{#1}}}

\DeclareFieldFormat{maintitle}{\mkbibemph{\MakeSentenceCase*{#1}}}

\DeclareFieldFormat{booksubtitle}{\mkbibemph{\MakeSentenceCase*{#1}}}

\DeclareFieldFormat{mainsubtitle}{\mkbibemph{\MakeSentenceCase*{#1}}}

\DeclareFieldFormat[audio,music,video]{title}{%
  \iffieldundef{booktitle}%
  {\mkbibemph{\MakeSentenceCase*{#1}}\isdot}%
  {\MakeSentenceCase*{#1}\isdot}}

\DeclareFieldAlias[video]{citetitle}[video]{title}

\DeclareFieldAlias[video]{lostitle}[video]{title}

\DeclareFieldAlias[music]{citetitle}[video]{title}

\DeclareFieldAlias[music]{lostitle}[video]{title}

\DeclareFieldAlias[audio]{citetitle}[video]{title}

\DeclareFieldAlias[audio]{lostitle}[video]{title}

\DeclareFieldFormat[audio,music,video]{subtitle}{%
  \iffieldundef{booktitle}%
  {\mkbibemph{\MakeSentenceCase*{#1}}\isdot}%
  {\MakeSentenceCase*{#1}\isdot}}

\DeclareFieldFormat{issuetitle}{\MakeSentenceCase*{#1\isdot}}

\DeclareFieldFormat{issuesubtitle}{\MakeSentenceCase*{#1\isdot}}

%%%% Formatting macros, called both by cbx and bbx %%%%

\newbibmacro*{video+title}{%
  \iffieldundef{title}%
  {}%
  {\printtext{%
    \printfield{title}%
    \setunit{\subtitlepunct}%
    \printfield[subtitle]{subtitle}}}}

\newbibmacro*{italtitle+stitle}{%
  \printtext{%
    \printfield{title}%
    \setunit{\subtitlepunct}%
    \printfield[subtitle]{subtitle}}%
  \setunit{\ptitleaddonpunct}%
  \printfield{titleaddon}%
  \setunit{\addspace}%
  \usebibmacro{language+transtitle}%
  \newunit\newblock}

\newbibmacro*{mag+news+title}{%
  \printtext{%
       \printfield{title}%
       \setunit{\subtitlepunct}%
       \printfield[subtitle]{subtitle}}%
     \setunit{\ptitleaddonpunct}%\setunit{\addcomma\addspace}
     \ifboolexpr{%
       togl {cms@related}%
       and
       test {\iffieldequalstr{relatedtype}{reviewof}}%
     }%
     {\usebibmacro{related:init}%
       \usebibmacro{related}}%
     {\printfield{titleaddon}}%
     }%\newcunit\newblock

\newbibmacro*{issuetitle}{%
  \iffieldundef{issuetitle}%
  {}%
  {\ifthenelse{\ifentrytype{article}\OR%
      \ifentrytype{review}\OR%
      \ifentrytype{suppperiodical}}% This test is for
    {\usebibmacro{cms-in:}}% periodical entries
    {}%
    \printtext{%
      \printfield{issuetitle}%
      \setunit{\subtitlepunct}%
      \printfield[issuesubtitle]{issuesubtitle}}}}

%%%% Related macros that can't reside in common.cbx %%%%

\newbibmacro*{related:reviewof}[1]{%
  \entrydata*{#1}{%
    \let\newunit\newcunit% FIXME??
    \iffieldundef{title}%
    {}%
    {\printtext{%
        \printfield{title}%
        \setunit{\subtitlepunct}%
        \printfield[subtitle]{subtitle}}}%
    \newcunit%
    \ifnameundef{author}%
    {\newcunit%
      \usebibmacro{byeditor+others}}%
    {\bibstring{by}\addspace%
      \printnames[byauthor]{author}%
      \newcunit\usebibmacro{byeditor+others}}%
    \setunit{\ctitleaddonpunct}%
    \printfield{titleaddon}}}

\DeclareFieldFormat{title:hook}{%
  \begingroup
  \mkrelatedstringtext{%
    \lbx@inittitlehook{#1}}%
  \endgroup
  \mkbibemph{\MakeSentenceCase*{#1}}}

\DeclareFieldFormat{ititle:hook}{%
  \begingroup
  \mkrelatedstringtext{%
    \lbx@inittitlehook{#1}}%
  \endgroup
  \MakeSentenceCase*{#1}}

\DeclareFieldFormat{jtitle:hook}{%
  \begingroup
  \mkrelatedstringtext{%
    \lbx@inittitlehook{#1}}%
  \endgroup
  \mkbibemph{#1}}

\DeclareFieldFormat{chapter:hook}{%
  \begingroup
  \mkrelatedstringtext{%
    \lbx@inittitlehook{\bibstring{chapter}}%
    \bibstring{chapter}~#1\addspace\bibstring{in}}%
  \endgroup}

\DeclareFieldFormat{avchapter:hook}{%
  \begingroup
  \mkrelatedstringtext{%
    \lbx@inittitlehook{\bibstring{chapter}}%
    \bibstring{chapter}~#1}%
  \endgroup}

\DeclareFieldFormat{sjtnoformat}{#1}
\DeclareFieldFormat{stnoformat}{#1}
\DeclareFieldFormat{jtnoformat}{#1}
\DeclareFieldFormat{jtsnoformat}{#1}
\DeclareFieldFormat{tnoformat}{#1}

\newbibmacro*{cms:titlehook}{% Needed for the full drivers in reprintfrom
  \ifthenelse{\iffieldundef{chapter}\OR\NOT\(\ifentrytype{audio}\OR%
    \ifentrytype{inbook}\OR\ifentrytype{incollection}\OR%
    \ifentrytype{inproceedings}\OR\ifentrytype{letter}\OR%
    \ifentrytype{music}\OR\ifentrytype{video}\)}%
  {\iffieldundef{issuetitle}%
    {\iffieldundef{title}%
      {\iffieldundef{booktitle}%
        {\iffieldundef{maintitle}%
          {\iffieldundef{journaltitle}%
            {}%
            {\DeclareFieldAlias{jtnoformat}{jtitle:hook}%
              \DeclareFieldAlias{sjtnoformat}{title}%
              \DeclareFieldAlias{journaltitle}{default}%
              \DeclareFieldAlias{shortjournal}{series}%
              \DeclareFieldAlias{jtsnoformat}{jtitle:hook}}}%
          {\DeclareFieldAlias{maintitle}{title:hook}}}%
        {\DeclareFieldAlias{booktitle}{title:hook}}}%
      {\DeclareFieldAlias{tnoformat}{jtitle:hook}%
        \DeclareFieldAlias{stnoformat}{citetitle}%
        \DeclareFieldAlias[video]{title}{title:hook}%
        \DeclareFieldAlias[audio]{title}{title:hook}%
        \DeclareFieldAlias[music]{title}{title:hook}%
        \DeclareFieldAlias{title}{title:hook}%
        \DeclareFieldAlias[periodical]{shorttitle}{series}}}%
    {\DeclareFieldAlias{issuetitle}{ititle:hook}}}%
  {\ifthenelse{\ifentrytype{audio}\OR\ifentrytype{music}\OR%
      \ifentrytype{video}}%
    {\iffieldundef{title}%
      {\DeclareFieldAlias{chapter}{avchapter:hook}}%
      {\DeclareFieldAlias[video]{title}{title:hook}%
        \DeclareFieldAlias[audio]{title}{title:hook}%
        \DeclareFieldAlias[music]{title}{title:hook}}}%
    {\DeclareFieldAlias{chapter}{chapter:hook}}}}%

\endinput