#!/usr/bin/perl
#
# Empire - A multi-player, client/server Internet based war game.
-# Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
+# Copyright (C) 1986-2010, Dave Pare, Jeff Bailey, Thomas Ruschak,
# Ken Stevens, Steve McClure
#
# This program is free software; you can redistribute it and/or modify
#
# ---
#
-# See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
-# related information and legal notices. It is expected that any future
-# projects/authors will amend these files as needed.
+# See files README, COPYING and CREDITS in the root of the source
+# tree for related information and legal notices. It is expected
+# that future projects/authors will amend these files as needed.
#
# ---
#
#
# Known contributors to this file:
# Ken Stevens (when it was still info.pl)
-# Markus Armbruster, 2006
+# Markus Armbruster, 2006-2008
#
+# Usage: findsubj.pl INFO-FILE...
# Run it at the root of the build tree. This updates the make include
# file subjects.mk, which guides the remaking of info index files.
#
# --- Global variables ---
# @Subjects Existing subjects
# $filename The name of the current info file
+# $filename{TOPIC}
+# TOPIC's info file name
# $chapter{TOPIC} TOPIC's chapter (first arg to .TH)
# $see_also{TOPIC}
# TOPIC's SEE ALSO items (.SA argument)
use Errno qw(ENOENT);
-our (%chapter, %see_also, %sanr);
+our (%filename, %chapter, %see_also, %sanr);
our ($filename, %subjfil);
# Get known subjects
our @Subjects = split(' ', read_make_var("subjects", "subjects.mk", ""));
-# Get source directory
-my $srcdir = read_make_var("srcdir", "GNUmakefile");
-# Get info sources
-my @tsrc = grep(/\.t$/, split(' ' , read_make_var("src", "sources.mk")));
# Parse the .t files
-for my $t (@tsrc) {
- parse_file("$srcdir/$t");
+for my $f (@ARGV) {
+ parse_file("$f");
}
# Create %subjfil from %see_also
# Update subjects.mk
open(F, ">subjects.mk")
or die "Can't open subjects.mk for writing: $!";
+print F "# DO NOT EDIT THIS FILE. It was automatically generated by findsubj.pl\n";
print F "subjects := " . join(' ', @Subjects) . "\n";
for my $t (@Subjects) {
print F "info/$t.t:$subjfil{$t}\n";
$topic = $filename;
$topic =~ s,.*/([^/]*)\.t$,$1,;
-
+ $filename{$topic} = $filename;
+
open(F, "<$filename")
or die "Can't open $filename: $!";
my $found; # found a subject?
$wanted = undef if $wanted eq 'Concept' or $wanted eq 'Command';
- $filename = "$srcdir/$topic";
+ $filename = $filename{$topic};
for (@see_also) {
if (!exists $see_also{$_}) { # is this entry a subject?
sub error {
my ($error) = @_;
- print STDERR "info.pl:$filename:$.: $error\n";
+ print STDERR "findsubj.pl:$filename:$.: $error\n";
exit 1;
}