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# |
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# -*- Perl -*- |
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# $Id: dvi.pl,v 1.2 2001/01/04 01:57:58 baba Exp $ |
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# Copyright (C) 2000 Namazu Project All rights reserved , |
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# This is free software with ABSOLUTELY NO WARRANTY. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either versions 2, or (at your option) |
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# any later version. |
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# |
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# This program is distributed in the hope that it will be useful |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
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# 02111-1307, USA |
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# |
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# This file must be encoded in EUC-JP encoding |
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# |
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|
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package dvi; |
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use strict; |
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require 'util.pl'; |
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|
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my $dvipath = undef; |
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my $nkfpath = undef; |
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|
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sub mediatype() { |
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return ('application/x-dvi'); |
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} |
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|
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sub status() { |
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$dvipath = util::checkcmd('dvi2tty'); |
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if (util::islang("ja")) { |
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$nkfpath = util::checkcmd('nkf'); |
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} |
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return 'no' unless (defined $dvipath); |
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return 'yes'; |
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} |
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|
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sub recursive() { |
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return 0; |
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} |
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|
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sub pre_codeconv() { |
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return 0; |
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} |
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|
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sub post_codeconv () { |
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return 0; |
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} |
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|
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sub add_magic ($) { |
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return; |
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} |
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|
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sub filter ($$$$$) { |
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my ($orig_cfile, $cont, $weighted_str, $headings, $fields) |
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= @_; |
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my $cfile = defined $orig_cfile ? $$orig_cfile : ''; |
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|
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my $tmpfile = util::tmpnam('NMZ.dvi'); |
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my $tmpfile2 = util::tmpnam('NMZ.dvi2'); |
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|
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# note that dvi2tty need suffix .dvi |
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my $fh = util::efopen("> $tmpfile.dvi"); |
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print $fh $$cont; |
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undef $fh; |
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|
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util::vprint("Processing dvi file ... (using '$dvipath')\n"); |
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if (util::islang("ja")) { |
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# -J option: dvi2tty-5.1 for Debian |
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# system("$dvipath -J -q $tmpfile -o $tmpfile2"); |
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# ugly: nkf is needed because of prevent 'mojibake' :-( |
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system("$dvipath -J -q $tmpfile | $nkfpath -e > $tmpfile2"); |
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} else { |
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system("$dvipath -q $tmpfile -o $tmpfile2"); |
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} |
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unless (-e $tmpfile2) { |
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unlink("$tmpfile.dvi"); |
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unlink($tmpfile2); |
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return 'Unable to convert dvi file'; |
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} |
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|
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$fh = util::efopen("$tmpfile2"); |
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my $size = util::filesize($fh); |
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if ($size > $conf::FILE_SIZE_MAX) { |
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unlink("$tmpfile.dvi"); |
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unlink($tmpfile2); |
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return 'too_large_dvi_file'; |
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} |
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$$cont = util::readfile($fh); |
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undef $fh; |
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unlink("$tmpfile.dvi"); |
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unlink($tmpfile2); |
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return undef; |
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} |
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|
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1; |
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