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%%
%% This is file `printsudoku.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% sudokubundle.dtx (with options: `print')
%%
%% -----------------------------------------------------------------
%% Author: Peter Wilson (herries dot press at earthlink dot net)
%% Herries Press
%% Copyright 2006 Peter R. Wilson
%%
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.3 of this license or (at your option) any
%% later version.
%% The latest version of the license is in
%% http://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of
%% LaTeX version 2003/06/01 or later.
%%
%% This work has the LPPL maintenance status "author-maintained".
%%
%% This work consists of the files listed in the README file.
%% -----------------------------------------------------------------
%%
%%%% solvethem.tex Solve Sudoku files
%%%% Peter Wilson
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{printsudoku}[2006/02/16 v1.0 typeset sudoku puzzles]
\newread\s@dread
\newwrite\s@dwrite
%%%% open game file
\newcommand*{\reads@dgame}[1]{%
\closein\s@dread
\openin\s@dread=#1}
%%% set size of a game cell
\newlength\halfs@dcell
\newcommand*{\cellsize}[1]{%
\halfs@dcell=#1\relax
\halfs@dcell=0.5\halfs@dcell}
\cellsize{2.5\baselineskip}
%% set font for the numbers
\newcommand*{\cluefont}[1]{\def\s@dfont{#1}}
\cluefont{\Huge}
%% counts for looping and cell positions
\newcount\s@dncol
\newcount\s@dnrow
\newcount\s@dcolpos
\newcount\s@drowpos
%% insert the clues into the game array
\newcommand*{\adds@dclues}{%
\firsts@dcluetrue
\s@dnrow\@ne
\loop
\ifnum\s@dnrow<10\relax
\read\s@dread to \s@dline
\firsts@dcluetrue
\s@drowpos=\s@dnrow
\multiply\s@drowpos\tw@
\advance\s@drowpos\m@ne
\s@dncol\@ne
\dos@dcols
\advance\s@dnrow\@ne
\repeat
\closein\s@dread}
%% insert a row of clues
\newcommand*{\dos@dcols}{%
\bgroup
\loop
\ifnum\s@dncol<10\relax
\s@dcolpos=\s@dncol
\multiply\s@dcolpos\tw@
\advance\s@dcolpos\m@ne
\put(\s@dcolpos,-\s@drowpos){\makebox(0,0){\s@dfont\gets@dclue}}%
\advance\s@dncol\@ne
\repeat
\egroup}
%% get the next character in a string
\def\gettwo#1#2\nowt{%
\gdef\istchar{#1}\gdef\restchars{#2}}
\def\splitoff#1{\gettwo#1\nowt}
%% a full stop (period)
\gdef\s@dfstop{.}
%% get the next clue in the line
\newif\iffirsts@dclue
\firsts@dcluetrue
\newcommand*{\gets@dclue}{%
\iffirsts@dclue
\expandafter\splitoff\expandafter{\s@dline}%
\global\firsts@dcluefalse
\else
\expandafter\splitoff\expandafter{\restchars}%
\fi
\ifx\s@dfstop\istchar
\else
\istchar
\fi}
%% typeset the grid, then add the clues
\newcommand*{\s@dgame}{%
\setlength\unitlength\halfs@dcell
\begin{picture}(18,18)(0,-18)
\thinlines
\multiput(0,0)(2,0){10}{\line(0,-1){18}}
\multiput(0,0)(0,-2){10}{\line(1,0){18}}
\thicklines \linethickness{1pt}
\multiput(0,0)(6,0){4}{\line(0,-1){18}}
\multiput(0,0)(0,-6){4}{\line(1,0){18}}
\adds@dclues
\end{picture}}
%% the whole shebang, where #1 is the name of the game file
\newcommand*{\sudoku}[1]{%
\reads@dgame{#1}%
\s@dgame}
\newcommand*{\puzzlefile}{puzz.sud}
\newcommand*{\writepuzzle}[9]{%
\immediate\closeout\s@dwrite
\immediate\openout\s@dwrite=\puzzlefile
\immediate\write\s@dwrite{#1}%
\immediate\write\s@dwrite{#2}%
\immediate\write\s@dwrite{#3}%
\immediate\write\s@dwrite{#4}%
\immediate\write\s@dwrite{#5}%
\immediate\write\s@dwrite{#6}%
\immediate\write\s@dwrite{#7}%
\immediate\write\s@dwrite{#8}%
\immediate\write\s@dwrite{#9}%
\writes@dpuzzend}
\newcommand*{\writes@dpuzzend}[1][\@empty]{
\ifx\@empty #1\else
\immediate\write\s@dwrite{ }%
\immediate\write\s@dwrite{#1}%
\fi
\immediate\closeout\s@dwrite}
\newcommand*{\sudpuzznewline}{^^J}
\endinput
%%
%% End of file `printsudoku.sty'.
|
