%%
%% This is file `gbt7714.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% gbt7714.dtx  (with options: `package')
%% 
%% Copyright (C) 2016-2018 by Zeping Lee <zepinglee AT gmail.com>
%% 
%% This file may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.2 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 1.2 or later is part of all distributions of
%% LaTeX version 1999/12/01 or later.
%% 
%% This BibTeX style file is derived from `plainnat.bst' by Patrick W Daly,
%% which was designed for use with the `natbib.sty' package.
%% 
\NeedsTeXFormat{LaTeX2e}[1999/12/01]
\ProvidesPackage{gbt7714}
    [2018/03/16 v1.0.3 GB/T 7714-2015 BibTeX Style]
\newif\if@gbt@numerical
\newif\if@gbt@super
\DeclareOption{super}{\@gbt@numericaltrue\@gbt@supertrue}
\DeclareOption{numbers}{\@gbt@numericaltrue\@gbt@superfalse}
\DeclareOption{authoryear}{\@gbt@numericalfalse}
\DeclareOption*{\PassOptionsToPackage{\CurrentOption}{natbib}}
\ExecuteOptions{super}
\ProcessOptions\relax
\RequirePackage{url}
\g@addto@macro\UrlBreaks{%
  \do\a\do\b\do\c\do\d\do\e\do\f\do\g\do\h\do\i\do\j%
  \do\k\do\l\do\m\do\n\do\o\do\p\do\q\do\r\do\s\do\t%
  \do\u\do\v\do\w\do\x\do\y\do\z%
  \do\A\do\B\do\C\do\D\do\E\do\F\do\G\do\H\do\I\do\J%
  \do\K\do\L\do\M\do\N\do\O\do\P\do\Q\do\R\do\S\do\T%
  \do\U\do\V\do\W\do\X\do\Y\do\Z%
  \do\1\do\2\do\3\do\4\do\5\do\6\do\7\do\8\do\9\do\0%
}
\if@gbt@numerical
  \PassOptionsToPackage{sort&compress}{natbib}
\fi
\RequirePackage{natbib}
\newcommand\bibstyle@super{\bibpunct{[}{]}{,}{s}{,}{\textsuperscript{,}}}
\newcommand\bibstyle@numbers{\bibpunct{[}{]}{,}{n}{,}{,}}
\newcommand\bibstyle@authoryear{\bibpunct{(}{)}{;}{a}{,}{,}}
\def\tmp@numerical{numerical}
\def\tmp@authoryear{authoryear}
\newcommand\gbtbibstyle[1]{%
  \def\tmp@gbt{#1}%
  \ifx\tmp@gbt\tmp@numerical%
    \bibliographystyle{gbt7714-unsrt}%
  \else%
    \ifx\tmp@gbt\tmp@authoryear%
      \bibliographystyle{gbt7714-plain}%
    \else%
      \PackageError{gbt7714}{Unknown argument #1.}
      {It should be `numerical' or `authoryear'.}
    \fi%
  \fi%
}
\if@gbt@numerical
  \if@gbt@super
    \citestyle{super}%
    \gbtbibstyle{numerical}%
  \else
    \citestyle{numbers}
    \gbtbibstyle{numerical}%
  \fi
\else
  \citestyle{authoryear}
  \gbtbibstyle{authoryear}%
\fi
\RequirePackage{etoolbox}
\patchcmd{\NAT@citexnum}{%
  \@ifnum{\NAT@ctype=\z@}{%
    \if*#2*\else\NAT@cmt#2\fi
  }{}%
  \NAT@mbox{\NAT@@close}%
}{%
  \NAT@mbox{\NAT@@close}%
  \@ifnum{\NAT@ctype=\z@}{%
    \if*#2*\else\textsuperscript{#2}\fi
  }{}%
}{}{}
\renewcommand\NAT@citesuper[3]{\ifNAT@swa
  \if*#2*\else#2\NAT@spacechar\fi
\unskip\kern\p@\textsuperscript{\NAT@@open#1\NAT@@close\if*#3*\else#3\fi}%
   \else #1\fi\endgroup}
\patchcmd{\NAT@citex}{%
  \if*#2*\else\NAT@cmt#2\fi
  \if\relax\NAT@date\relax\else\NAT@@close\fi
}{%
  \if\relax\NAT@date\relax\else\NAT@@close\fi
  \if*#2*\else\textsuperscript{#2}\fi
}{}{}
\renewcommand\NAT@cite%
    [3]{\ifNAT@swa\NAT@@open\if*#2*\else#2\NAT@spacechar\fi
        #1\NAT@@close\if*#3*\else\textsuperscript{#3}\fi\else#1\fi\endgroup}
\patchcmd{\NAT@citexnum}{%
  \ifx\NAT@last@yr\relax
    \def@NAT@last@yr{\@citea}%
  \else
    \def@NAT@last@yr{--\NAT@penalty}%
  \fi
}{%
  \def@NAT@last@yr{--\NAT@penalty}%
}{}{}
