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October 1, 2010 04:47
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\documentclass{article} | |
\usepackage[margin=2cm]{geometry} | |
\usepackage{calc} | |
\makeatletter | |
\def\test#1{% | |
\begingroup | |
\edef\@tempa{#1}% | |
\edef\@tempa{\detokenize\expandafter{\@tempa}}% | |
\expandafter\scan\@tempa\scanstop | |
\printwrappedtext{\wrappedtext} | |
\endgroup | |
} | |
\newcount\charcount | |
\newcount\wordcount | |
\def\scanstop{} | |
\def\scan{% | |
\futurelet\let@token\process | |
} | |
{\def\1{} | |
\global\futurelet\blankspace\1 } | |
\def\currtext{} | |
\def\currline{} | |
\def\currword{} | |
\protected\def\NL{} | |
\charcount=-1 | |
\newcount\maxlinecount | |
\def\process{% | |
\ifx\let@token\scanstop\relax | |
\ifnum\numexpr\charcount+\wordcount+1\relax<\maxlinecount | |
\protected@edef\wrappedtext{\currtext\currline\space\currword}% | |
\else | |
\protected@edef\wrappedtext{\currtext\currline\NL\currword}% | |
\fi | |
\let\next\relax | |
\else\ifx\let@token\blankspace | |
\ifnum\numexpr\charcount+\wordcount\relax<\maxlinecount | |
\advance\charcount by \wordcount | |
\advance\charcount by 1% account for the space character | |
\protected@edef\currline{\currline\space\currword}% | |
%\showtokens{\the\charcount: \currword} | |
\else | |
\charcount=\numexpr\wordcount\relax | |
\protected@edef\currtext{\currtext\currline\NL}% | |
\let\currline\currword | |
\fi | |
\wordcount=1 | |
\let\currword\@empty | |
\let\next\dochar | |
\else | |
\advance\wordcount by 1 | |
\let\next\dochar | |
\fi\fi | |
\next} | |
\def\dochar#1{\edef\currword{\currword#1}\scan} | |
\begin{document} | |
\def\printwrappedtext#1{% | |
\def\NL{\\} | |
\setlength\@tempdima{\widthof{\ttfamily 0}}% | |
\@tempdima=\dimexpr \the\maxlinecount\@tempdima\relax | |
\noindent Hard-wrapped text:\\ | |
\fbox{\parbox{\@tempdima}{% | |
\ttfamily | |
\frenchspacing % important! | |
#1}} | |
} | |
\noindent | |
\fbox{\ttfamily 12345678901234567890123456789012345678901234567890123456789012345678901234567890}\par | |
\maxlinecount=40 | |
\test{% | |
Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Ut purus elit, vestibu | |
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | |
dolor nulla, malesuada eu, pulvinar at, mollis ac, nulla. Curabitur auctor semper | |
ut, placerat ac, \string\adipiscing\space vitae, felis. Curabitur dictum gravida mauris. Nam arcu | |
libero, nonummy eget, consectetuer id, vulputate a, magna. Donec | |
vehicula augue eu neque. Pellentesque habitant morbi tristique | |
senectus et netus et malesuada fames ac turpis egestas. Mauris ut | |
leo. Cras viverra metus rhoncus sem. Nulla et lectus vestibulum urna fringilla ultrices. Phasellus eu tellus sit amet tortor gravida | |
placerat. Integer sapien est, iaculis in, pretium quis, viverra ac, | |
nunc. Praesent eget sem vel leo ultrices bibendum. Aenean faucibus. | |
Morbi nulla. Donec varius orci eget risus. Duis | |
nibh mi, congue eu, accumsan eleifend, sagittis quis, diam. Duis | |
eget orci sit amet orci dignissim rutrum.} | |
\maxlinecount=60 | |
\test{% | |
Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Ut purus elit, vestibu | |
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | |
dolor nulla, malesuada eu, pulvinar at, mollis ac, nulla. Curabitur auctor semper | |
ut, placerat ac, \string\adipiscing\space vitae, felis. Curabitur dictum gravida mauris. Nam arcu | |
libero, nonummy eget, consectetuer id, vulputate a, magna. Donec | |
vehicula augue eu neque. Pellentesque habitant morbi tristique | |
senectus et netus et malesuada fames ac turpis egestas. Mauris ut | |
leo. Cras viverra metus rhoncus sem. Nulla et lectus vestibulum urna fringilla ultrices. Phasellus eu tellus sit amet tortor gravida | |
placerat. Integer sapien est, iaculis in, pretium quis, viverra ac, | |
nunc. Praesent eget sem vel leo ultrices bibendum. Aenean faucibus. | |
Morbi nulla. Donec varius orci eget risus. Duis | |
nibh mi, congue eu, accumsan eleifend, sagittis quis, diam. Duis | |
eget orci sit amet orci dignissim rutrum.} | |
\maxlinecount=79 | |
\test{% | |
Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Ut purus elit, vestibu | |
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | |
dolor nulla, malesuada eu, pulvinar at, mollis ac, nulla. Curabitur auctor semper | |
ut, placerat ac, \string\adipiscing\space vitae, felis. Curabitur dictum gravida mauris. Nam arcu | |
libero, nonummy eget, consectetuer id, vulputate a, magna. Donec | |
vehicula augue eu neque. Pellentesque habitant morbi tristique | |
senectus et netus et malesuada fames ac turpis egestas. Mauris ut | |
leo. Cras viverra metus rhoncus sem. Nulla et lectus vestibulum urna fringilla ultrices. Phasellus eu tellus sit amet tortor gravida | |
placerat. Integer sapien est, iaculis in, pretium quis, viverra ac, | |
nunc. Praesent eget sem vel leo ultrices bibendum. Aenean faucibus. | |
Morbi nulla. Donec varius orci eget risus. Duis | |
nibh mi, congue eu, accumsan eleifend, sagittis quis, diam. Duis | |
eget orci sit amet orci dignissim rutrum.} | |
\maxlinecount=50 | |
\def\printwrappedtext#1{% | |
\def\NL{\MessageBreak} | |
\PackageWarning{breaklines}{#1} | |
} | |
\test{% | |
Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Ut purus elit, vestibu | |
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | |
dolor nulla, malesuada eu, pulvinar at, mollis ac, nulla. Curabitur auctor semper | |
ut, placerat ac, \string\adipiscing\space vitae, felis. Curabitur dictum gravida mauris. Nam arcu | |
libero, nonummy eget, consectetuer id, vulputate a, magna. Donec | |
vehicula augue eu neque. Pellentesque habitant morbi tristique | |
senectus et netus et malesuada fames ac turpis egestas. Mauris ut | |
leo. Cras viverra metus rhoncus sem. Nulla et lectus vestibulum urna fringilla ultrices. Phasellus eu tellus sit amet tortor gravida | |
placerat. Integer sapien est, iaculis in, pretium quis, viverra ac, | |
nunc. Praesent eget sem vel leo ultrices bibendum. Aenean faucibus. | |
Morbi nulla. Donec varius orci eget risus. Duis | |
nibh mi, congue eu, accumsan eleifend, sagittis quis, diam. Duis | |
eget orci sit amet orci dignissim rutrum.} | |
\end{document} |
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