summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/tex/latex/beamer/beamerbaseverbatim.sty
blob: 29c24ddf28960ad738561cbbc56256fff6231e49 (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
128
129
130
% Copyright 2003--2007 by Till Tantau
% Copyright 2010 by Vedran Mileti\'c
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Public License.
%
% See the file doc/licenses/LICENSE for more details.

\ProvidesPackageRCS $Header: /home/vedran/bitbucket/beamer/base/beamerbaseverbatim.sty,v efa082c6111d 2010/05/01 13:27:03 rivanvx $

\mode
<presentation>


\newwrite\beamer@verbatimfileout

\def\beamer@verbatimreadframe{%
  \begingroup%
  \let\do\beamer@makeinnocent\dospecials%
  \count@=127%
  \@whilenum\count@<255 \do{%
    \advance\count@ by 1%
    \catcode\count@=11%
  }%
  \beamer@makeinnocent\^^L% and whatever other special cases
  \endlinechar`\^^M \catcode`\^^M=12%
  \@ifnextchar\bgroup{\afterassignment\beamer@specialprocessframefirstline\let\beamer@temp=}{\beamer@processframefirstline}}%

{
  \catcode`\{=12%
  \catcode`\<=1%
  \gdef\beamer@specialprocessframefirstline<%
    \beamer@processframefirstline{%
  }
}

{\catcode`\^^M=12\endlinechar=-1%
  \long\gdef\beamer@processframefirstline#1^^M{%
    \def\beamer@test{#1}%
    \ifx\beamer@test\beamer@stopframefirst%
      \let\next=\beamer@framewritten%
    \else
      \@temptokena={#1}%
      \immediate\write\beamer@verbatimfileout{\the\@temptokena}%
      \let\next=\beamer@processframeline%
    \fi%
    \next%
  }
  \long\gdef\beamer@processframeline#1^^M{%
    \def\beamer@test{#1}%
    \ifx\beamer@test\beamer@stopframe%
      \let\next=\beamer@framewritten%
    \else
      \immediate\write\beamer@verbatimfileout{#1}%
      \let\next=\beamer@processframeline%
    \fi%
    \next%
  }
}

\def\beamer@setupstoppers#1{%
  {
    \escapechar=-1\relax%
    \xdef\beamer@stopframe{\string\\end\string\{#1\string\}}
    \xdef\beamer@stopframefirst{\noexpand\end\string\{#1\string\}}
}
}


\def\beamer@framewritten{\endgroup%
  \beamer@afterexternalframe%
}




% The following code is partly adapted from code from the alltt package.

\mode
<all>
{
\begingroup
\lccode`\~=`\'
\lowercase{\endgroup
\newenvironment{semiverbatim}{%
  \trivlist
  \item\relax
    \if@minipage
    \else
      \vskip\parskip
    \fi
    \leftskip\@totalleftmargin
    \rightskip\z@skip
    \parindent\z@
    \parfillskip\@flushglue
    \parskip\z@skip
    \@@par
    \@tempswafalse
    \def\par{%
      \if@tempswa
        \leavevmode\null\@@par\penalty\interlinepenalty
    \else
      \@tempswatrue
      \ifhmode\@@par\penalty\interlinepenalty\fi
    \fi}
    \obeylines
    \def\verbatim@nolig@list{\do\`\do\,\do\'\do\-}
    \verbatim@font
    \let\org@prime~%
    \everymath\expandafter{\the\everymath
      \catcode`\'=12 \let~\org@prime}
    \everydisplay\expandafter{\the\everydisplay
      \catcode`\'=12 \let~\org@prime}
    \def\dospecials{\do\ \do\$\do\&%
     \do\#\do\^\do\_\do\%\do\~\do\`\do\,\do\'\do\-}
    \let\do\@makeother
    \dospecials
    \def\\{\char`\\}
    \def\{{\char`\{}
    \def\}{\char`\}}
    \frenchspacing\@vobeyspaces
    \everypar \expandafter{\the\everypar \unpenalty}}
{\endtrivlist}}
}


\mode
<all>