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#!@PERL@ -w
# gen_codestructure_doc - generate code_structure.html from dir_contents files
#
# Copyright (C) 2007 Olly Betts
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
use strict;
use POSIX;
if (scalar @ARGV < 2) {
die "usage: gen_codestructure_doc <output> <root input> [<input>...]\n";
}
my $output = shift @ARGV;
my $version = html_escape("@PACKAGE_STRING@");
my %desc = ();
my $rootdir = $ARGV[0];
$rootdir =~ s![^/]+$!!;
for my $dir_contents (@ARGV) {
open DIR_CONTENTS, "<$dir_contents" or die "$dir_contents: $!\n";
local $/ = undef;
my $xml = <DIR_CONTENTS>;
close DIR_CONTENTS;
my ($xmldir) = ($xml =~ m!<Directory>\s*(\S+)\s*</Directory>!);
if (!defined $xmldir) {
die "$dir_contents: No valid <Directory> tag found\n";
}
if ($xmldir eq "ROOT") {
$xmldir = "";
}
my $dir = $dir_contents;
unless ($dir =~ s!^\Q$rootdir\E!!) {
die "$dir_contents: not under `$rootdir'.\n";
}
$dir =~ s![^/]+$!!;
$dir =~ s!/$!!;
if ($dir ne $xmldir) {
die "$dir_contents: File is in `$dir', but <Directory> says `$xmldir'\n";
}
my ($desc) = ($xml =~ m!<Description>\s*(.*?)\s*</Description>!s);
if (!defined $desc) {
die "$dir_contents: No valid <Description> tag found\n";
}
$desc{$dir} = $desc;
}
my $output_tmp = $output . "T";
open OUTPUT, ">$output_tmp" or die "$output_tmp: $!\n";
print OUTPUT <<EOF;
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<!-- automatically generated from $version source code -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Xapian: Code structure</title>
</head>
<body bgcolor="white" text="black">
<h1>Index</h1>
EOF
my $depth = -1;
for my $dir (sort keys(%desc)) {
my $tmp = $dir;
my $d = $tmp =~ s!/!!g;
if ($d <= $depth) {
print OUTPUT "</ul>\n" x ($depth - $d);
} else {
print OUTPUT "<ul>\n" x ($d - $depth);
}
$depth = $d;
if ($dir eq "") {
$dir = "ROOT";
}
my $id = $dir;
$id =~ s!_!__!g;
$id =~ s!/+!_!g;
print OUTPUT "<li><a href=\"#$id\">$dir</a>\n";
}
if ($depth >= 0) {
print OUTPUT "</ul>\n" x ($depth + 1);
}
print OUTPUT "<hr>\n";
print OUTPUT "<h1>Directory structure</h1>\n";
foreach my $dir (sort keys(%desc)) {
my $desc = $desc{$dir};
my $tmp = $dir;
my $d = $tmp =~ s!/!!g;
$d += 2;
if ($d > 6) {
$d = 6;
}
my $url = "http://trac.xapian.org/browser/tags/@VERSION@/xapian-core/$dir";
if ($dir eq "") {
$dir = "ROOT";
} else {
$url .= "/";
}
my $id = $dir;
$id =~ s!_!__!g;
$id =~ s!/+!_!g;
print OUTPUT "<div id=\"$id\">\n";
print OUTPUT "<h$d><a href=\"$url\">$dir</a></h$d>\n";
print OUTPUT "<p>", html_escape($desc), "</p>\n";
print OUTPUT "</div>\n\n";
}
my $date = POSIX::strftime("%Y-%m-%d", gmtime());
print OUTPUT <<EOF;
<hr>
<address>
Generated for $version on $date by gen_codestructure_doc.
</address>
</body>
</html>
EOF
unless (close OUTPUT) {
my $bang = $!;
unlink $output_tmp;
die "$output_tmp: $bang\n";
}
rename $output_tmp, $output or die "$output: $!\n";
sub html_escape {
my $s = shift;
$s =~ s/&/&/g;
$s =~ s/</</g;
$s =~ s/>/>/g;
$s =~ s/\n\n/\n\n<p>/g;
return $s;
}
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