% $Id: biblatex-chicago.sty,v 0.1.1.43 2012/07/26 13:21:52 dfussner Exp $

% Copyright (c) 2009-2012 David Fussner.  This package is
% author-maintained.
%
% This work may be copied, 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 software is provided as is,
% without warranty of any kind, either expressed or implied, including,
% but not limited to, the implied warranties of merchantability and
% fitness for a particular purpose.

\ProvidesPackage{biblatex-chicago}[2012/07/26 v 2.0 biblatex style]

\RequirePackage{etoolbox}

\DeclareOption{authordate}{\def\cms@style{authordate}}
\DeclareOption{notes}{\def\cms@style{notes}}
\DeclareOption{authordate15}{\def\cms@style{authordateold}}
\DeclareOption{notes15}{\def\cms@style{notesold}}
\DeclareOption*{\eappto\cms@options{\CurrentOption,}}
\let\cms@options\empty
\ExecuteOptions{notes}%

\newtoggle{cms@nomark}

\DeclareOption{footmarkoff}{\global\toggletrue{cms@nomark}}

\DeclareOption{natbib}{%
  \PassOptionsToPackage{natbib}{biblatex}}

\DeclareOption{backend=biber}{%
  \PassOptionsToPackage{\CurrentOption}{biblatex}}%

\DeclareOption{backend=bibtex}{%
  \PassOptionsToPackage{\CurrentOption}{biblatex}}%

\DeclareOption{backend=bibtex8}{%
  \PassOptionsToPackage{\CurrentOption}{biblatex}}%

\DeclareOption{backend=bibtexu}{%
  \PassOptionsToPackage{\CurrentOption}{biblatex}}%

\ProcessOptions*

\def\cms@authordate{%
  \RequirePackage[style=chicago-authordate]{biblatex}%
  \ExecuteBibliographyOptions{%
    pagetracker=true,autocite=inline,alldates=comp,labelyear=true,
    uniquename=minfull,useeditor=true,usetranslator=true,usecompiler=true,
    ibidtracker=constrict,sorting=cms,punctfont,cmslos=true,nodates,
    uniquelist=minyear,maxbibnames=10,minbibnames=7,sortcase=false,
    abbreviate=false,dateabbrev=false,avdate=true}}

\def\cms@notes{%
  \RequirePackage[style=chicago-notes]{biblatex}%
  \ExecuteBibliographyOptions{%
    pagetracker=true,autocite=footnote,abbreviate=false,alldates=comp,
    citetracker=true,ibidtracker=constrict,usetranslator=true,
    usecompiler=true,loccittracker=constrict,dateabbrev=false,
    maxbibnames=10,minbibnames=7,sorting=\cms@choose,sortcase=false}}

\def\cms@authordateold{%
  \RequirePackage[style=chicago-authordate15]{biblatex}%
  \ExecuteBibliographyOptions{%
    pagetracker=true,autocite=inline,alldates=comp,labelyear=true,
    uniquename=minfull,useeditor=true,usetranslator=true,usecompiler=true,
    ibidtracker=constrict,sorting=cms,punctfont,cmslos=true,nodates,
    uniquelist=minyear,maxbibnames=10,minbibnames=7,sortcase=false}}

\def\cms@notesold{%
  \RequirePackage[style=chicago-notes15]{biblatex}%
  \ExecuteBibliographyOptions{%
    pagetracker=true,autocite=footnote,abbreviate=false,alldates=comp,
    citetracker=true,ibidtracker=constrict,usetranslator=true,
    usecompiler=true,loccittracker=constrict,dateabbrev=false,
    maxbibnames=10,minbibnames=7}}

\csuse{cms@\cms@style}
\undef\cms@authordate
\undef\cms@notes
\undef\cms@authordateold
\undef\cms@notesold
\expandafter\ExecuteBibliographyOptions\expandafter{\cms@options}

\setlength{\bibitemsep}{0.5\baselineskip plus 0.5\baselineskip}
\setlength{\bibhang}{2em}
\setlength{\lositemsep}{0.25\baselineskip plus 0.25\baselineskip}

\renewcommand*{\bibnamedash}{\rule[.4ex]{3em}{.6pt}}

\iftoggle{cms@nomark}
{}
{\@ifclassloaded{memoir}%
  {\blx@warning@noline{%
      Since you are using the 'memoir' class,\MessageBreak
      I'm leaving the formatting of the foot- and/or\MessageBreak
      end-note mark and text to you.}}%
  {\renewcommand\@makefntext[1]{% Provides in-line footnote marks
      \setlength\parindent{1em}%
      \noindent
      \makebox[2.3em][r]{\@thefnmark.\,\,}#1}
    \@ifpackageloaded{endnotes}% Provides in-line endnote marks
    {\def\enotesize{\small}% This size recommended by the Manual
      \renewcommand{\enoteformat}{%
        \renewcommand{\makeenmark}{%
          \hbox{\theenmark.\,\,}}
        \rightskip\z@ \leftskip\z@ \parindent=2.3em
        \leavevmode\llap{\makeenmark}}}
    {}}}

\@ifpackageloaded{babel}
{\ifthenelse{\equal{\languagename}{american}}
  {\DeclareLanguageMapping{american}{cms-american}}%
  {\ifthenelse{\equal{\languagename}{english}}%
    {\DeclareLanguageMapping{english}{cms-american}}%
    {}}}%
{\DeclareLanguageMapping{english}{cms-american}}

\DeclareLanguageMapping{german}{cms-german}
\DeclareLanguageMapping{french}{cms-french}
\DeclareLanguageMapping{ngerman}{cms-ngerman}

\@ifpackagelater{biblatex}{2012/06/30}
{\def\cms@choose{%
    \ifblx@load@version@one
    nty%
    \else
    cms%
    \fi}}
{\def\cms@choose{%
    \ifnum\blx@backend=\blx@backend@biber
    cms%
    \else
    nty%
    \fi}}

\endinput