#! /usr/bin/perl
-# $Cambridge: exim/doc/doc-docbook/Tidytxt,v 1.4 2008/02/04 17:03:34 fanf2 Exp $
+use strict;
+use warnings;
+use Getopt::Long;
+
+
+# For now we can't rely on a perl >= 5.14 on
+# the build sites, thus we throw away all unicode
+# awarness and do the matching byte by byte
+binmode STDIN;
+binmode STDOUT;
+
+GetOptions(
+ 'u|utf8!' => \my $want_utf8, # do not replace unicode characters
+) or die "Usage: $0 [-u|--utf8]\n";
# Script to tidy up the output of w3m when it makes a text file. First we
# convert sequences of blank lines into a single blank line, to get everything
# (2) It uses U+25CF as its bullet character.
# (3) It inserts a whole slew of "box drawing" characters round the heading.
-@lines = <>;
+my @lines = <>;
+my $lastwasblank = 0;
-$lastwasblank = 0;
-foreach $line (@lines)
+foreach my $line (@lines)
{
# (1) non-break space -> normal space
$line =~ s/\x{c2}\x{a0}/ /g;
- # (2) bullet -> asterisk
- $line =~ s/\x{e2}\x{97}\x{8f}/*/g;
- # (3a) horizontal box drawing -> hyphen
- $line =~ s/\x{e2}\x{94}[\x{80}\x{81}\x{84}\x{85}\x{88}\x{89}]/-/g;
- $line =~ s/\x{e2}\x{95}[\x{8c}\x{8d}\x{90}]/-/g;
- $line =~ s/\x{e2}\x{95}[\x{b4}\x{b6}\x{b8}\x{ba}\x{bc}\x{be}]/-/g;
- # (3b) vertical box drawing -> bar
- $line =~ s/\x{e2}\x{94}[\x{82}\x{83}\x{86}\x{87}\x{8a}\x{8b}]/|/g;
- $line =~ s/\x{e2}\x{95}[\x{8e}\x{8f}\x{91}]/+/g;
- $line =~ s/\x{e2}\x{95}[\x{b5}\x{b7}\x{b9}\x{bb}\x{bd}\x{bf}]/-/g;
- # (3c) corner box drawing -> plus
- $line =~ s/\x{e2}\x{94}[\x{8c}-\x{bf}]/+/g;
- $line =~ s/\x{e2}\x{95}[\x{80}-\x{8b}\x{92}-\x{b0}]/+/g;
- # other
- $line =~ s/\x{e2}\x{95}\x{b1}/\//g;
- $line =~ s/\x{e2}\x{95}\x{b2}/\\/g;
- $line =~ s/\x{e2}\x{95}\x{b3}/X/g;
+
+ unless ($want_utf8)
+ {
+ # (2) bullet -> asterisk
+ $line =~ s/\x{e2}\x{97}\x{8f}/*/g;
+ $line =~ s/\x{e2}\x{80}\x{a2}/*/g; # OpenSUSE
+ $line =~ s/\x{e2}\x{96}\x{a1}/*/g; # OpenSUSE
+ # (3a) horizontal box drawing -> hyphen
+ $line =~ s/\x{e2}\x{94}[\x{80}\x{81}\x{84}\x{85}\x{88}\x{89}]/-/g;
+ $line =~ s/\x{e2}\x{95}[\x{8c}\x{8d}\x{90}]/-/g;
+ $line =~ s/\x{e2}\x{95}[\x{b4}\x{b6}\x{b8}\x{ba}\x{bc}\x{be}]/-/g;
+ # (3b) vertical box drawing -> bar
+ $line =~ s/\x{e2}\x{94}[\x{82}\x{83}\x{86}\x{87}\x{8a}\x{8b}]/|/g;
+ $line =~ s/\x{e2}\x{95}[\x{8e}\x{8f}\x{91}]/|/g;
+ $line =~ s/\x{e2}\x{95}[\x{b5}\x{b7}\x{b9}\x{bb}\x{bd}\x{bf}]/|/g;
+ # (3c) corner box drawing -> plus
+ $line =~ s/\x{e2}\x{94}[\x{8c}-\x{bf}]/+/g;
+ $line =~ s/\x{e2}\x{95}[\x{80}-\x{8b}\x{92}-\x{b0}]/+/g;
+ # other
+ $line =~ s/\x{e2}\x{95}\x{b1}/\//g;
+ $line =~ s/\x{e2}\x{95}\x{b2}/\\/g;
+ $line =~ s/\x{e2}\x{95}\x{b3}/X/g;
+ }
+
+ # w3m rendering issue apparently only seen by pdp
+ # affects section numbers after the ToC, some info on spool-file -lines, etc
+ # always appears to be a spurious extra character, safely just dropped.
+ $line =~ s/\x{c2}//g;
if ($line =~ /^\s*$/)
{
# Find start of TOC, uppercasing its title
+my $i = 0;
for ($i = 0; $i < scalar @lines; $i++)
{
$lines[$i] = "TABLE OF CONTENTS\n" if $lines[$i] =~ /^Table of Contents/;
# looking for preceding and following blank lines, and then matching against
# the numbers.
-$chapter = 0;
+my $chapter = 0;
+my $section;
for (; $i < scalar @lines; $i++)
{
next if $lines[$i-1] !~ /^$/ || $lines[$i+1] !~ /^$/;