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# |
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# -*- Perl -*- |
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# $Id: powerpoint.pl,v 1.6 2000/12/26 04:59:01 knok Exp $ |
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# Copyright (C) 2000 Ken-ichi Hirose, |
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# 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 powerpoint; |
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use strict; |
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use File::Copy; |
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require 'util.pl'; |
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require 'gfilter.pl'; |
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require 'html.pl'; |
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|
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my $pptconvpath = undef; |
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my $utfconvpath = undef; |
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|
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sub mediatype() { |
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return ('application/powerpoint'); |
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} |
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|
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sub status() { |
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$pptconvpath = util::checkcmd('pptHtml'); |
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# return 'no' unless defined $pptconvpath |
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if (defined $pptconvpath) { |
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if (!util::islang("ja")) { |
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return 'yes'; |
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} else { |
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$utfconvpath = util::checkcmd('lv'); |
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if (defined $utfconvpath) { |
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return 'yes'; |
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} else { |
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return 'no'; |
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} |
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} |
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} else { |
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$pptconvpath = util::checkcmd('doccat'); |
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return 'yes' if defined $pptconvpath; |
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return 'no'; |
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} |
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} |
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|
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sub recursive() { |
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return 0; |
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} |
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|
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sub pre_codeconv() { |
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return 0; |
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} |
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|
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sub post_codeconv () { |
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return 0; |
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} |
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|
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sub add_magic ($) { |
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my ($magic) = @_; |
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|
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$magic->addFileExts('\\.ppt$', 'application/powerpoint'); |
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return; |
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} |
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|
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sub filter ($$$$$) { |
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my ($orig_cfile, $cont, $weighted_str, $headings, $fields) |
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= @_; |
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my $err = undef; |
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|
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if (util::checkcmd('pptHtml')) { |
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$err = filter_ppt($orig_cfile, $cont, $weighted_str, $headings, $fields); |
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} else { |
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$err = filter_doccat($orig_cfile, $cont, $weighted_str, $headings, $fields); |
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} |
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return $err; |
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} |
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|
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sub filter_ppt ($$$$$) { |
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my ($orig_cfile, $cont, $weighted_str, $headings, $fields) |
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= @_; |
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my $cfile = defined $orig_cfile ? $$orig_cfile : ''; |
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|
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my $tmpfile = util::tmpnam('NMZ.powerpoint'); |
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my $tmpfile2 = util::tmpnam('NMZ.powerpoint2'); |
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|
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|
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util::vprint("Processing ms-powerpoint file ... (using '$pptconvpath')\n"); |
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|
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{ |
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my $fh = util::efopen("> $tmpfile"); |
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print $fh $$cont; |
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} |
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|
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# |
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|
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# handle a Japanese PowerPoint ocument correctly. |
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system("$pptconvpath $tmpfile > $tmpfile2"); |
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|
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{ |
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my $fh = util::efopen("< $tmpfile2"); |
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$$cont = util::readfile($fh); |
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} |
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|
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# Code conversion for Japanese document. |
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if (util::islang("ja")) { |
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my $encoding = "u8"; # UTF-8 |
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# Pattern for pptHtml |
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if ($$cont =~ m!^<FONT SIZE=-1><I>Last Updated using Excel 5.0 or 95</I></FONT><br>$!m) |
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{ |
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$encoding = "s"; # Shift_JIS |
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} |
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{ |
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my $fh = util::efopen("> $tmpfile"); |
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print $fh $$cont; |
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} |
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system("$utfconvpath -I$encoding -Oej $tmpfile > $tmpfile2"); |
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{ |
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my $fh = util::efopen("< $tmpfile2"); |
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$$cont = util::readfile($fh); |
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} |
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} |
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|
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# Extract the author and exclude pptHtml's footer at once. |
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$$cont =~ s!^<FONT SIZE=-1><I>Spreadsheet's Author: (.*?)</I></FONT><br>.*!!ms; # ' |
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$fields->{'author'} = $1 if defined $1; |
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|
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unlink($tmpfile); |
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unlink($tmpfile2); |
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|
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# Title shoud be removed. |
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$$cont =~ s!<TITLE>.+</TITLE>!!; |
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|
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html::html_filter($cont, $weighted_str, $fields, $headings); |
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|
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gfilter::line_adjust_filter($cont); |
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gfilter::line_adjust_filter($weighted_str); |
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gfilter::white_space_adjust_filter($cont); |
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|
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$fields->{'title'} = gfilter::filename_to_title($cfile, $weighted_str); |
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gfilter::show_filter_debug_info($cont, $weighted_str, |
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$fields, $headings); |
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return undef; |
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} |
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|
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sub filter_doccat ($$$$$) { |
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my ($orig_cfile, $cont, $weighted_str, $headings, $fields) |
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= @_; |
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my $cfile = defined $orig_cfile ? $$orig_cfile : ''; |
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|
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my $tmpfile = util::tmpnam('NMZ.powerpoint'); |
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my $tmpfile2 = util::tmpnam('NMZ.powerpoint2'); |
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copy("$cfile", "$tmpfile2"); |
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|
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system("$pptconvpath -o e $tmpfile2 > $tmpfile"); |
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|
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{ |
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my $fh = util::efopen("< $tmpfile"); |
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$$cont = util::readfile($fh); |
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} |
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|
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unlink($tmpfile); |
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unlink($tmpfile2); |
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|
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gfilter::line_adjust_filter($cont); |
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gfilter::line_adjust_filter($weighted_str); |
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gfilter::white_space_adjust_filter($cont); |
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$fields->{'title'} = gfilter::filename_to_title($cfile, $weighted_str) |
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unless $fields->{'title'}; |
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gfilter::show_filter_debug_info($cont, $weighted_str, |
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$fields, $headings); |
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return undef; |
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} |
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|
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