158 lines
4.6 KiB
Perl
158 lines
4.6 KiB
Perl
#! /usr/bin/perl
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#
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# Copyright (c) 2005 Motoyuki Kasahara
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the project nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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#
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# html-index -- make index page of HTML files.
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#
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# Usage:
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# html-index [option...] input-file...
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#
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# `html-index' reads HTML files, and generates their indice. The indice
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# are created from <a> tags in the HTML files. Since `html-index'
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# doesn't parse HTML precisely, `<' and `>' in <a> tag must be in the same
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# line and be the following form:
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#
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# <a name="category:name">
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#
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# The corresponding reference in the index looks like:
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#
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# <a href="#category:name">name</a>
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#
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# or, if two or more input files are specified:
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#
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# <a href="file#category:name">name</a>
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#
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# `category' above is category name of index. It is used to generate
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# more than one indice: function index and concept index, for example.
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# By default, the script generates `index-<category>.html' for each index
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# category.
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#
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# In input HTML files, the following line has the special meaning:
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#
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# <!-- #file "file-name" -->
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#
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# It sets file name in <a href="..."> in the indice.
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#
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# Options:
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# -p prefix set prefix of index files.
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# (default: `index-')
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# -s suffix set suffix of index files.
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# (default: `html')
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# -h do not output file name in <a href="....">.
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#
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require 5.005;
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use Getopt::Std;
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#
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# Usage
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#
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my $usage = "Usage: $0 [-p prefix] [-s suffix] [-h] file...\n";
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#
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# Variables
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#
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my $out_prefix = 'index';
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my $out_suffix = 'html';
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my %indice = ();
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my $fragment_only = 0;
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#
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# Parse command line arguments.
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#
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my %options;
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getopts('p:s:h', \%options) or die $usage;
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die $usage if (@ARGV == 0);
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$out_prefix = $options{p} if (defined($options{p}));
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$out_suffix = $options{s} if (defined($options{s}));
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$fragment_only = 1 if (defined($options{h}) || @ARGV == 1);
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#
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# Read HTML files.
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#
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for (my $i = 0; $i < @ARGV; $i++) {
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my $in_file_name = $ARGV[$i];
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if (!open(IN_FILE, "< $in_file_name")) {
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die "$0: failed to open the file, $!: $in_file_name\n";
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}
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while (<IN_FILE>) {
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chomp;
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if (m|^<!--[ \t]+\#file[ \t]+\"([^\"]+)\"[ \t]+-->[ \t]*$|) {
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$in_file_name = $1;
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} elsif (m|<a name=\"([^\"]+)\">|) {
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my $name = $1;
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if ($name =~ m|^([a-z_][0-9a-z_]+):(.+)$|) {
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my $type = $1;
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my $value = $2;
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if (!defined($indice{$type})) {
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$indice{$type} = {};
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}
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$indice{$type}->{$value} = $in_file_name;
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}
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}
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}
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close(IN_FILE);
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}
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#
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# Generate index files.
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#
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foreach my $i (sort {uc($a) cmp uc($b)} keys(%indice)) {
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my $out_file_name = sprintf("%s-%s.%s", $out_prefix, $i, $out_suffix);
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if (!open(OUT_FILE, "> $out_file_name")) {
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die "$0: failed to open the file, $!: $out_file_name\n";
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}
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print OUT_FILE "<dl>\n";
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my $prev_head_char = '';
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foreach my $j (sort(keys(%{$indice{$i}}))) {
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my $cur_head_char = uc(substr($j, 0, 1));
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if ($cur_head_char ne $prev_head_char) {
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print OUT_FILE '<dt>', $cur_head_char, "\n";
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}
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if ($fragment_only) {
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printf(OUT_FILE "<dd><a href=\"#%s:%s\">%s</a>\n",
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$i, $j, $j);
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} else {
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printf(OUT_FILE "<dd><a href=\"%s\#%s:%s\">%s</a>\n",
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$indice{$i}->{$j}, $i, $j, $j);
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}
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$prev_head_char = $cur_head_char;
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}
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print OUT_FILE "</dl>\n";
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close(OUT_FILE);
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}
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