%%
%% This is file `zref-nextpage.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% zref.dtx  (with options: `nextpage')
%% 
%% This is a generated file.
%% 
%% Project: zref
%% Version: 2018/11/21 v2.27
%% 
%% Copyright (C) 2006-2012 by
%%    Heiko Oberdiek <heiko.oberdiek at googlemail.com>
%% 
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.3c of this license or (at your option) any later
%% version. This version of this license is in
%%    http://www.latex-project.org/lppl/lppl-1-3c.txt
%% and 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".
%% 
%% This Current Maintainer of this work is Heiko Oberdiek.
%% 
%% This work consists of the main source file zref.dtx
%% and the derived files
%%    zref.sty, zref.pdf, zref.ins, zref.drv, zref-base.sty,
%%    zref-abspage.sty, zref-abspos.sty, zref-counter.sty,
%%    zref-dotfill.sty, zref-env.sty, zref-hyperref.sty,
%%    zref-lastpage.sty, zref-marks.sty, zref-nextpage.sty,
%%    zref-pageattr.sty, zref-pagelayout.sty, zref-perpage.sty,
%%    zref-runs.sty, zref-savepos.sty, zref-thepage.sty,
%%    zref-titleref.sty, zref-totpages.sty, zref-user.sty,
%%    zref-xr.sty, zref-example.tex, zref-example-lastpage.tex,
%%    zref-example-nextpage.tex, zref-test1.tex,
%%    zref-test-base.tex, zref-test-runs.tex,
%%    zref-test-titleref-memoir.tex.
%% 
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{zref-nextpage}%
  [2018/11/21 v2.27 Module nextpage for zref (HO)]%
\RequirePackage{zref-base}[2018/11/21]
\ifx\ZREF@base@ok Y%
\else
  \expandafter\endinput
\fi
\RequirePackage{zref-abspage}[2018/11/21]
\RequirePackage{zref-thepage}[2018/11/21]
\RequirePackage{zref-lastpage}[2018/11/21]
\RequirePackage{uniquecounter}[2009/12/18]
\UniqueCounterNew{znextpage}

\newcommand*{\znextpagesetup}{%
  \afterassignment\ZREF@np@setup@i
  \def\ZREF@np@call@unknown##1%
}
\def\ZREF@np@setup@i{%
  \afterassignment\ZREF@np@setup@ii
  \def\ZREF@np@call@nonext##1%
}
\def\ZREF@np@setup@ii{%
  \def\ZREF@np@call@next##1%
}
\def\ZREF@np@call@unknown#1{#1}
\def\ZREF@np@call@nonext#1{#1}
\def\ZREF@np@call@next#1{#1}
\ZREF@IfDefinable\znextpage\def{%
  {\UniqueCounterCall{znextpage}{\ZREF@nextpage}}%
}%
\newcommand*{\znonextpagename}{}
\newcommand*{\zunknownnextpagename}{\Z@D@page}
\def\ZREF@nextpage#1{%
  \begingroup
    \def\ZREF@refname@this{zref@np#1}%
    \zref@labelbyprops\ZREF@refname@this{abspage}%
    \chardef\ZREF@call=0 % unknown
    \ZREF@ifrefundefined\ZREF@refname@this{%
    }{%
      \edef\ZREF@pagenum@this{%
        \zref@extractdefault\ZREF@refname@this{abspage}{0}%
      }%
      \edef\ZREF@refname@next{%
        \zref@thepage@name{%
          \the\numexpr\ZREF@pagenum@this+1%
        }%
      }%
      \ifnum\ZREF@pagenum@this>0 %
        \ZREF@ifrefundefined{LastPage}{%
          \zref@ifrefundefined\ZREF@refname@next{%
          }{%
            \chardef\ZREF@call=2 % next page
          }%
        }{%
          \edef\ZREF@pagenum@last{%
            \zref@extractdefault{LastPage}{abspage}{0}%
          }%
          \ifnum\ZREF@pagenum@this<\ZREF@pagenum@last\ltx@space
            \ZREF@ifrefundefined\ZREF@refname@next{%
            }{%
              \chardef\ZREF@call=2 % next page
            }%
          \else
            \ifnum\ZREF@pagenum@this=\ZREF@pagenum@this\ltx@space
              \chardef\ZREF@call=1 % no next page
            \fi
          \fi
        }%
      \fi
    }%
    \edef\x{%
      \endgroup
      \ifcase\ZREF@call
        \noexpand\ZREF@np@call@unknown{%
          \noexpand\zunknownnextpagename
        }%
      \or
        \noexpand\ZREF@np@call@nonext{%
          \noexpand\znonextpagename
        }%
      \else
        \noexpand\ZREF@np@call@next{%
          \noexpand\zref@extract{\ZREF@refname@next}{page}%
        }%
      \fi
    }%
  \x
}
\endinput
%%
%% End of file `zref-nextpage.sty'.
