dnaseq

git-svn-id: svn://tug.org/texlive/trunk@830 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 109 insertions, 0 deletions

diff --git a/Master/texmf-dist/tex/latex/dnaseq/dnaseq.sty b/Master/texmf-dist/tex/latex/dnaseq/dnaseq.sty
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+%%
+%% This is file `dnaseq.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% dnaseq.dtx  (with options: `dnaseq')
+%% 
+%% IMPORTANT NOTICE:
+%% 
+%% For the copyright see the source file.
+%% 
+%% Any modified versions of this file must be renamed
+%% with new filenames distinct from dnaseq.sty.
+%% 
+%% For distribution of the original source see the terms
+%% for copying and modification in the file dnaseq.dtx.
+%% 
+%% This generated file may be distributed as long as the
+%% original source files, as listed above, are part of the
+%% same distribution. (The sources need not necessarily be
+%% in the same archive or directory.)
+%% File: dnaseq.dtx Copyright (C) 2002 Bjoern Pedersen
+%% mailto:Bjoern.Pedersen@ch.tum.de
+%% This file may be distributed and used freely under
+%% the Latex Project Public License
+%%
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{dnaseq}[2002/05/20 v0.01 dna sequence setter]
+\RequirePackage{color}
+
+\def\DNAblock{10}
+\def\DNAreserve{0000}% f^^fcr 4-stellige Zahlen
+%%
+%% registers /counters
+%%
+\newlength\bl@cklen
+\newlength\l@neln
+\newlength\t@mpln
+\newlength\ch@rwd
+\newcount{\blocks}
+%%
+%% calculate blocks per line
+%%
+\def\DNAc@lcline{%
+ \settowidth{\ch@rwd}{A}
+ \setlength{\bl@cklen}{\DNAblock\ch@rwd}%
+ \settowidth{\t@mpln}{\DNAreserve}
+ \setlength{\l@neln}{\textwidth}
+ \addtolength{\l@neln}{-\t@mpln}
+ \loop%
+    \setlength{\t@mpln}{\blocks\bl@cklen}
+    \addtolength{\t@mpln}{\blocks\ch@rwd}
+    \ifdim\l@neln>\t@mpln\advance\blocks by 1
+ \repeat
+ \advance\blocks by -1
+ \ifnum\blocks<1\errmessage{line too short for 1 block^^J}%
+ \else\expandafter\message\expandafter{Blocks per line: \the\blocks^^J}\fi%
+}
+
+%% main user macro
+\def\DNA#1{%
+   \def\@DNA@end{#1}\bgroup\ttfamily\DNAc@lcline
+   \settoheight\dimen@{I}\advance\dimen@ by 1pt
+   \edef\htst{\the\dimen@}%
+   \def\struty{\rule[-.5pt]{\z@}{\htst}}%
+   %% dnabase per line counter
+   \count@=0
+   %% block counter
+   \@tempcnta=0
+   %% total dnabase counter
+   \@tempcntb=0
+   \fboxrule=0pt \fboxsep=0pt
+   \noindent\phantom{\DNAreserve}\llap 1\
+   \@DNA
+}
+
+\def\@DNA@color{'}
+\def\@DNA@thecolor{white}
+\def\@DNA@setcolor#1{\def\@DNA@thecolor{#1}\@DNA}
+%% do the blocking/line breaking
+\def\@DNA#1{%
+%% insert a space after \DNAblock bases
+   \ifnum\count@=\DNAblock\count@=0\ %
+   \advance\@tempcnta by 1\fi
+   \def\@DNA@cmp{#1}%
+%% check for end of sequence or color shift
+   \ifx\@DNA@cmp\@DNA@end
+     \let\next\egroup
+   \else
+     \ifx\@DNA@cmp\@DNA@color
+       \let\next\@DNA@setcolor
+     \else
+       \advance\count@ by 1
+       \advance\@tempcntb by 1
+%% line break after calculated number of blocks
+       \ifnum\@tempcnta=\blocks \\
+         \hskip\z@\phantom{\DNAreserve}\llap {\the\@tempcntb}\ %
+         \@tempcnta=0
+       \fi
+       \colorbox{\@DNA@thecolor}{\struty#1}%
+       \penalty0\let\next\@DNA
+     \fi
+   \fi
+   \next
+}
+\endinput
+%%
+%% End of file `dnaseq.sty'.