%% Copyright 2016 Daniel B. Marques
%%
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%% The latest version of this license is in
%%   http://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of LaTeX
%% version 2005/12/01 or later.
%%
%% This work has the LPPL maintenance status `maintained'.
%%
%% The Current Maintainer of this work is Daniel B. Marques.

\ProvidesFile{abnt.cbx}%
[2016/10/03\space v3.0\space ABNT BibLaTeX citation style]%


% Init >>>1

\RequireBiber[3]%
\RequireCitationStyle{authoryear}%
\RequireCitationStyle{abnt-ibid}%

\RequirePackage{xparse}%

\renewcommand*{\iffinalcitedelim}{\iflastcitekey}

\DeclareLabeldate{%
  \field{date}
  \field{year}
  \field{eventdate}
  \field{eventyear}
  \field{origdate}
  \field{urldate}
  \literal{nodate}
}

% <<<1


% Format >>>1

% Name format >>>2

\DeclareNameFormat{LAST}{%% >>>3
  \ifcase\value{uniquename}%
    \usebibmacro{name:family}%
      {\iftoggle{sccite}%
        {\textsc{\MakeLowercase{\namepartfamily}}}%
  			{\MakeUppercase{\namepartfamily}}}%
      {\namepartgiven}%
      {\namepartprefix}%
      {\namepartsuffix}%
  \or%
    \ifuseprefix%
      {\usebibmacro{name:given-family}%
        {\iftoggle{sccite}%
  	    	{\textsc{\MakeLowercase{\namepartfamily}}}%
          {\MakeUppercase{\namepartfamily}}}%
        {\namepartgiveni}%
        {\namepartprefix}%
        {\namepartsuffixi}}%
      {\usebibmacro{name:given-family}%
        {\iftoggle{sccite}%
  	    	{\textsc{\MakeLowercase{\namepartfamily}}}%
  			{\MakeUppercase{\namepartfamily}}}%
        {\namepartgiveni}%
        {\namepartprefixi}%
        {\namepartsuffixi}}%
  \or%
    \usebibmacro{name:given-family}%
      {\iftoggle{sccite}%
        {\textsc{\MakeLowercase{\namepartfamily}}}%
  			{\MakeUppercase{\namepartfamily}}}%
      {\namepartgiven}%
      {\namepartprefix}%
      {\namepartsuffix}%
  \fi%
  \usebibmacro{name:andothers}%
}% <<<3

\DeclareNameFormat{fullcite}{%% >>>3
  \ifcase\value{uniquename}%
    \usebibmacro{name:given-family}%
      {\namepartfamily}%
      {\namepartgiven}%
      {\namepartprefix}%
      {\namepartsuffix}%
  \or%
    \ifuseprefix%
      {\usebibmacro{name:given-family}%
        {\namepartfamily}%
        {\namepartgiveni}%
        {\namepartprefix}%
        {\namepartsuffixi}}%
      {\usebibmacro{name:given-family}%
        {\namepartfamily}%
        {\namepartgiveni}%
        {\namepartprefixi}%
        {\namepartsuffixi}}%
  \or%
    \usebibmacro{name:given-family}%
      {\namepartfamily}%
      {\namepartgiven}%
      {\namepartprefix}%
      {\namepartsuffix}%
  \fi%
  \usebibmacro{name:andothers}%
}% <<<3

% <<<2

% Field format >>>2

\DeclareFieldFormat{emphtitle}{\emph{#1}}%

% Get first word >>>3
\newcommand\FirstWord[1]{\@firstword#1 \@nil}%
\def\@firstword#1 #2\@nil{\@removecomma#1,\@nil}%
\def\@removecomma#1,#2\@nil{\@removeperiod#1.\@nil}%
\def\@removeperiod#1.#2\@nil{\@removesemicolon#1;\@nil}%
\def\@removesemicolon#1;#2\@nil{#1}%
% <<<3

\DeclareFieldFormat{citetitle}{%% >>>3
  \iftoggle{sccite}{%
    \normalfont\textsc{\MakeLowercase{\FirstWord{#1}}}%
  }{%
    \normalfont\MakeUppercase{\FirstWord{#1}}%
  }%
}%% <<<3

\DeclareFieldFormat{uppercasecite}{%% >>>3
  \iftoggle{sccite}{%
    \textsc{\smartlowercase{#1}}%
  }{%
    \smartuppercase{#1}%
  }%
}% <<<3

% <<<2

% <<<1


% Cite commands >>>1

\DeclareCiteCommand{\cite}[\mkbibparens]% >>>2
  {\usebibmacro{cite:init}%
  \usebibmacro{prenote}}%
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}%
  {}%
  {\usebibmacro{postnote}}%

\DeclareCiteCommand*{\cite}%
  {\usebibmacro{cite:init}%
  \usebibmacro{prenote}}%
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}%
  {}%
  {\usebibmacro{postnote}}%

\DeclareMultiCiteCommand{\cites}[\mkbibparens]%
	{\cite}%
	{\setunit{\multicitedelim}}% <<<2

\DeclareCiteCommand{\textcite}% >>>2
  {\usebibmacro{cite:init}%
  \boolfalse{cbx:parens}%
  \renewcommand*{\finalnamedelim}{\addspace\bibstring{and}\addspace}%
  \renewcommand*{\multinamedelim}{\addcomma\addspace}}%
  {\usebibmacro{citeindex}%
   \iffirstcitekey%
     {\setcounter{textcitetotal}{1}}%
     {\stepcounter{textcitetotal}%
      \textcitedelim}%
   \usebibmacro{textcite}}%
  {\ifbool{cbx:parens}%
     {\bibcloseparen\global\boolfalse{cbx:parens}}%
     {}}%
  {\usebibmacro{textcite:postnote}}%

\DeclareCiteCommand*{\textcite}%
  {\usebibmacro{cite:init}%
  \boolfalse{cbx:parens}%
  \renewcommand*{\finalnamedelim}{\addspace\bibstring{and}\addspace}%
  \renewcommand*{\multinamedelim}{\addcomma\addspace}}%
  {\usebibmacro{citeindex}%
   \iffirstcitekey%
     {\setcounter{textcitetotal}{1}}%
     {\stepcounter{textcitetotal}%
      \textcitedelim}%
   \usebibmacro{textcitefull}}%
  {\ifbool{cbx:parens}%
     {\bibcloseparen\global\boolfalse{cbx:parens}}%
     {}}%
  {\usebibmacro{textcite:postnote}}

\DeclareMultiCiteCommand{\textcites}{\textcite}{}% <<<2


\DeclareCiteCommand{\parencite}[\mkbibparens]% >>>2
  {\usebibmacro{cite:init}%
  \usebibmacro{prenote}}%
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}%
  {}%
  {\usebibmacro{postnote}}% <<<2

\DeclareCiteCommand{\citeauthor}[\mkbibparens]% >>>2
  {\boolfalse{citetracker}%
   \boolfalse{pagetracker}%
   \usebibmacro{prenote}}%
  {\ifciteindex%
     {\indexnames{labelname}}%
     {}%
   \printtext[bibhyperref]{\printnames[LAST]{labelname}}}%
  {\multicitedelim}%
  {\usebibmacro{postnote}}%

\DeclareCiteCommand*{\citeauthor}%
  {\boolfalse{citetracker}%
   \boolfalse{pagetracker}%
   \usebibmacro{prenote}}%
  {\ifciteindex%
     {\indexnames{labelname}}%
     {}%
   \printtext[bibhyperref]{\printnames{labelname}}}%
  {\multicitedelim}%
  {\usebibmacro{postnote}}% <<<2

\DeclareCiteCommand{\citetitle}[\mkbibparens]% >>>2
  {\usebibmacro{cite:init}%
  \boolfalse{citetracker}%
   \boolfalse{pagetracker}%
   \usebibmacro{prenote}}%
  {\ifciteindex%
     {\indexfield{indextitle}}%
     {}%
   \printtext[bibhyperref]{\printfield[emphtitle]{labeltitle}}}%
  {\multicitedelim}%
  {\usebibmacro{postnote}}%

\DeclareCiteCommand*{\citetitle}%
  {\usebibmacro{cite:init}%
  \boolfalse{citetracker}%
   \boolfalse{pagetracker}%
   \usebibmacro{prenote}}%
  {\ifciteindex%
     {\indexfield{indextitle}}%
     {}%
   \printtext[bibhyperref]{\printfield[emphtitle]{labeltitle}}}%
  {\multicitedelim}%
  {\usebibmacro{postnote}}% <<<2

\DeclareCiteCommand{\citeyear}[\mkbibparens]% >>>2
  {\boolfalse{citetracker}%
   \boolfalse{pagetracker}%
   \usebibmacro{prenote}}%
  {\printfield[bibhyperref]{year}}%
  {\multicitedelim}%
  {\usebibmacro{postnote}}%

\DeclareCiteCommand*{\citeyear}%
  {\boolfalse{citetracker}%
   \boolfalse{pagetracker}%
   \usebibmacro{prenote}}%
  {\printfield[bibhyperref]{year}}%
  {\multicitedelim}%
  {\usebibmacro{postnote}}% <<<2

% apud >>>2

\DeclareCiteCommand{\@apud}% >>>3
	{\usebibmacro{cite:init}%
	\iffieldundef{prenote}%
		{}%
		{\printfield[uppercasecite]{prenote}%
		\addspace\bibstring{apud}\addspace}}%
	{\usebibmacro{citeindex}%
	\usebibmacro{cite}}%
	{\setunit{\multicitedelim}}%
	{\usebibmacro{postnote}}% <<<3

\DeclareMultiCiteCommand{\apud}[\addapud\mkbibparens]% >>>3
	{\@apud}%
	{\setunit{\multicitedelim}%
}% <<<3

\DeclareCiteCommand{\plaincite}% >>>3
  {\usebibmacro{cite:init}%
  \usebibmacro{prenote}}%
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}%
  {\multicitedelim}%
  {\usebibmacro{postnote}}% <<<3

\DeclareCiteCommand{\citelastname}% >>>3
  {\usebibmacro{cite:init}%
  \boolfalse{citetracker}%
   \boolfalse{pagetracker}%
   \usebibmacro{prenote}}%
  {\ifciteindex%
     {\indexnames{labelname}}%
     {}%
   \printtext[bibhyperref]{\printnames{labelname}}}%
  {\multicitedelim}%
  {\usebibmacro{postnote}}% <<<3

\NewDocumentCommand{\textapud}{o o m o o m}{%% >>>3
 \citelastname{#3}
 \mkbibparens{%
  \IfNoValueTF{#2}
   {%
    \IfNoValueTF{#1}
     {\citeyear*{#3}}
     {\citeyear*[#1]{#3}}%
   }
   {%
    \citeyear*[#1][#2]{#3}%
   }
  \IfNoValueTF{#5}
   {%
    \IfNoValueTF{#4}
     {\plaincite[\blx@imc@bibxstring{apud}][]{#6}}
     {\plaincite[\blx@imc@bibxstring{apud}][#4]{#6}}%
   }
   {%
    \cite[\blx@imc@bibxstring{apud} #4][#5]{#6}%
   }%
  }%
}%% <<<3

% <<<2

% <<<1


% Macros >>>1

\renewbibmacro*{cite}{%% >>>2
  \iffieldequals{fullhash}{\cbx@lasthash}%
   {\usebibmacro{cite:plabelyear+extrayear}}%
   {\iffieldundef{shorthand}{%
      \ifnameundef{shortauthor}{%
            \ifnameundef{holder}{%
              \ifnameundef{labelname}{%
                \iflistundef{organization}{%
                  \usebibmacro{cite:noname}%
                }{%
                  \printlist[uppercase]{organization}%
                }%
              }{%
                \printtext[bibhyperref]{\printnames[LAST]{labelname}}%
              }%
            }{%
              \printnames[LAST]{holder}%
            }%
          }{%
            \printnames[LAST]{shortauthor}%
          }%
      }{%
        \usebibmacro{cite:shorthand}%
      }%
     \setunit{\nameyeardelim}%
      \usebibmacro{cite:plabelyear+extrayear}%
      \savefield{fullhash}{\cbx@lasthash}}%
   \setunit{\multicitedelim}%
}% <<<2

\renewbibmacro*{textcite}{%% >>>2
  \ifnameundef{labelname}%
    {\iffieldundef{shorthand}%
       {\usebibmacro{cite:label}%
        \setunit{%
          \global\booltrue{cbx:parens}%
          \nonameyeardelim\bibopenparen}%
        \ifnumequal{\value{citecount}}{1}%
          {\usebibmacro{prenote}}%
          {}%
        \usebibmacro{cite:labelyear+extrayear}}%
       {\usebibmacro{cite:shorthand}}}%
    {\printtext[bibhyperref]{\printnames{labelname}}%
     \setunit{%
       \global\booltrue{cbx:parens}%
       \addspace\bibopenparen}%
     \ifnumequal{\value{citecount}}{1}%
       {\usebibmacro{prenote}}%
       {}%
     \usebibmacro{citeyear}}%
}% <<<2

\newbibmacro*{textcitefull}{%% >>>2
  \ifnameundef{labelname}%
    {\iffieldundef{shorthand}%
       {\usebibmacro{cite:label}%
        \setunit{%
          \global\booltrue{cbx:parens}%
          \nonameyeardelim\bibopenparen}%
        \ifnumequal{\value{citecount}}{1}%
          {\usebibmacro{prenote}}%
          {}%
        \usebibmacro{cite:labelyear+extrayear}}%
       {\usebibmacro{cite:shorthand}}}%
    {\printtext[bibhyperref]{\printnames[fullcite]{labelname}}%
     \setunit{%
       \global\booltrue{cbx:parens}%
       \addspace\bibopenparen}%
     \ifnumequal{\value{citecount}}{1}%
       {\usebibmacro{prenote}}%
       {}%
     \usebibmacro{citeyear}}%
}% <<<2

\newbibmacro*{cite:init}{%% >>>2
  \global\undef\cbx@lasthash%
}% <<<2

\newbibmacro*{cite:author}{%% >>>2
  \printtext[bibhyperref]{\printfield{author}}%
}% <<<2

\newbibmacro*{cite:noname}{%% >>>2
  \printfield[citetitle]{title}%
}% <<<2

\def\citeresetabnt{\global\let\cbx@abnt@names\@empty}%
\citeresetabnt%
\def\cbx@abnt@ifnamesaved{%
  \xifinlist{\thefield{fullhash}}{\cbx@abnt@names}%
    {\@firstoftwo}%
    {\@secondoftwo}}%

\renewbibmacro*{cite:label}{%% >>>2
  \iffieldundef{label}{%
    \printtext[bibhyperref]{%
      \printfield[uppercasecite]{labeltitle}%
    }%
  }{%
    \printtext[bibhyperref]{%
      \printfield{label}%
    }%
  }%
}% <<<2

\newbibmacro*{cite:plabelyear+extrayear}{%% >>>2
  \iffieldundef{labelyear}{}{%
    \printtext[bibhyperref]{%
      \printfield[noformat]{origyear}%
      \setunit*{\addslash}%
      \printfield{labelyear}%
      \printfield{extrayear}%
    }%
  }%
  \iffieldundef{issue}{}{%
    \addcomma\addspace\printfield{issue}%
  }%
}% <<<2

\renewbibmacro*{cite:shorthand}{%% >>>2
  \printtext[bibhyperref]{%
    \emph{\printfield{shorthand}}%
  }%
}% <<<2

\newbibmacro*{citeyearpunct}{%% >>>2
  \iffieldundef{labelyear}{%
    \usebibmacro{cite:init}%
  }{% else
    \iffieldequals{fullhash}{\cbx@lasthash}{%
      \setunit{\compcitedelim}%
        \usebibmacro{cite:plabelyear+extrayear}%
    }{% else
      \usebibmacro{cite:plabelyear+extrayear}%
      \savefield{fullhash}{\cbx@lasthash}%
    }%
  }%
  \setunit{\multicitedelim}%
}% <<<2

% <<<1


% bibhyperref >>>1

\DeclareFieldFormat{citehyperref}{%% >>>2
  \DeclareFieldAlias{bibhyperref}{noformat}% Avoid nested links
  \bibhyperref{#1}%
}% <<<2

\DeclareFieldFormat{textcitehyperref}{%% >>>2
  \DeclareFieldAlias{bibhyperref}{noformat}% Avoid nested links
  \bibhyperref{%
    #1%
    \ifbool{cbx:parens}%
      {\bibcloseparen\global\boolfalse{cbx:parens}}%
      {}}%
}% <<<2

\savebibmacro{cite}%
\savebibmacro{textcite}%
\savebibmacro{textcitefull}%

\renewbibmacro*{cite}{%% >>>2
  \printtext[citehyperref]{%
    \restorebibmacro{cite}%
    \usebibmacro{cite}}%
}% <<<2

\renewbibmacro*{textcite}{%% >>>2
  \ifboolexpr{%
    (%
      not test {\iffieldundef{prenote}}%
      and%
      test {\ifnumequal{\value{citecount}}{1}}%
    )%
    or%
    (%
      not test {\iffieldundef{postnote}}%
      and%
      test {\ifnumequal{\value{citecount}}{\value{citetotal}}}%
    )%
  }%
    {\DeclareFieldAlias{textcitehyperref}{noformat}}%
    {}%
  \printtext[textcitehyperref]{%
    \restorebibmacro{textcite}%
    \usebibmacro{textcite}}%
}% <<<2

\renewbibmacro*{textcitefull}{%% >>>2
  \ifboolexpr{%
    ( not test {\iffieldundef{prenote}} and%
      test {\ifnumequal{\value{citecount}}{1}} )%
    or%
    ( not test {\iffieldundef{postnote}} and%
      test {\ifnumequal{\value{citecount}}{\value{citetotal}}} )%
  }%
    {\DeclareFieldAlias{textcitehyperref}{noformat}}%
    {}%
  \printtext[textcitehyperref]{%
    \restorebibmacro{textcitefull}%
    \usebibmacro{textcitefull}}%
}% <<<2

% <<<1


\endinput%


% vim: set foldmarker=\ >>>,\ <<< :