summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/tex/latex/oberdiek/zref-nextpage.sty
blob: b556d838c92877476312a705b12bf6678423f8e2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
%%
%% 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.
%% 
%% Copyright (C) 2006-2010 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-counter.sty, zref-dotfill.sty,
%%    zref-hyperref.sty, zref-lastpage.sty, zref-nextpage.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-runs.tex.
%% 
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{zref-nextpage}%
  [2010/03/26 v2.8 Module nextpage for zref (HO)]%
\RequirePackage{zref-base}[2010/03/26]
\@ifundefined{ZREF@baseok}{\endinput}{}
\RequirePackage{zref-abspage}[2010/03/26]
\RequirePackage{zref-thepage}[2010/03/26]
\RequirePackage{zref-lastpage}[2010/03/26]
\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}
\newcommand*{\znextpage}{%
  \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'.