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# |
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# -*- Perl -*- |
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# $Id: gfilter.pl,v 1.13.8.1 2001/07/09 09:55:39 takesako Exp $ |
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# Copyright (C) 1999 Satoru Takabayashi , |
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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 gfilter; |
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|
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# Show debug information for filters |
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sub show_filter_debug_info ($$$$) { |
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my ($contref, $weighted_str, $fields, $headings) = @_; |
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util::dprint("-- title --\n$fields->{'title'}\n") |
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if defined $fields->{'title'}; |
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util::dprint("-- content --\n$$contref\n"); |
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util::dprint("-- weighted_str: --\n$$weighted_str\n"); |
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util::dprint("-- headings --\n$$headings\n"); |
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} |
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|
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# Adjust white spaces |
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sub white_space_adjust_filter ($) { |
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my ($text) = @_; |
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|
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$$text =~ s/[ \t]+/ /g; |
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$$text =~ s/\r\n/\n/g; |
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$$text =~ s/\r/\n/g; |
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$$text =~ s/\n+/\n/g; |
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$$text =~ s/^ +//gm; |
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$$text =~ s/ +$//gm; |
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$$text =~ s/ +/ /g; |
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# Control characters be into space |
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$$text =~ tr/\x00-\x09\x0b-\x1f/ /; |
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} |
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|
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# get a title from a file name. |
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sub filename_to_title ($$) { |
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my ($cfile, $weighted_str) = @_; |
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|
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# for MSWin32's filename using Shift_JIS [1998-09-24] |
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if (($mknmz::SYSTEM eq "MSWin32") || ($mknmz::SYSTEM eq "os2")) { |
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$cfile = codeconv::shiftjis_to_eucjp($cfile); |
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$cfile = codeconv::eucjp_han2zen_kana($cfile); |
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} |
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|
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$cfile =~ m!^.*/([^/]*)$!; |
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my $filename = $1; |
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|
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# get keywords from a file name. |
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# modified [1998-09-18] |
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my $tmp = $filename; |
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$tmp =~ s|/\\_\.-| |g; |
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|
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my $weight = $conf::Weight{'html'}->{'title'}; |
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$$weighted_str .= "\x7f$weight\x7f$tmp\x7f/$weight\x7f\n"; |
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|
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my $title = $filename; |
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return $title |
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} |
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|
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# Remove SPACE/TAB at the beginning or ending of the line. |
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# And remove '>|#:' at the begenning of the line. |
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# Join hyphenation for English text. |
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# Remove LF if the line is ended with a Japanese character and |
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# length of the line is 40 or more longer. |
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# |
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# Original of this code was contributed by <furukawa@tcp-ip.or.jp>. |
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# [1997-09-15] |
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# |
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sub line_adjust_filter ($) { |
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my ($text) = @_; |
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return undef unless defined($$text); |
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|
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my @tmp = split(/\n/, $$text); |
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for my $line (@tmp) { |
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$line .= "\n"; |
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$line =~ s/^[ \>\|\#\:]+//; |
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$line =~ s/ +$//; |
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$line =~ s/\n// if (($line =~ /[\xa1-\xfe]\n*$/) && |
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(length($line) >=40)); |
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$line =~ s/(¡£|¡¢)$/$1\n/; |
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$line =~ s/([a-z])-\n/$1/; # for hyphenation. |
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} |
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$$text = join('', @tmp); |
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} |
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|
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# not implimented yet. |
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sub analize_rcs_stamp() |
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{ |
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} |
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|
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1; |
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