COSMETICS: tabs --> spaces, some prettyprinting

Originally committed as revision 4764 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 147 insertions, 147 deletions

diff --git a/doc/texi2pod.pl b/doc/texi2pod.pl
index 6971e6cdf3..75051dcc82 100755
--- a/doc/texi2pod.pl
+++ b/doc/texi2pod.pl
@@ -39,24 +39,24 @@ $ibase = "";
 
 while ($_ = shift) {
     if (/^-D(.*)$/) {
-	if ($1 ne "") {
-	    $flag = $1;
-	} else {
-	    $flag = shift;
-	}
-	$value = "";
-	($flag, $value) = ($flag =~ /^([^=]+)(?:=(.+))?/);
-	die "no flag specified for -D\n"
-	    unless $flag ne "";
-	die "flags may only contain letters, digits, hyphens, dashes and underscores\n"
-	    unless $flag =~ /^[a-zA-Z0-9_-]+$/;
-	$defs{$flag} = $value;
+        if ($1 ne "") {
+            $flag = $1;
+        } else {
+            $flag = shift;
+        }
+        $value = "";
+        ($flag, $value) = ($flag =~ /^([^=]+)(?:=(.+))?/);
+        die "no flag specified for -D\n"
+            unless $flag ne "";
+        die "flags may only contain letters, digits, hyphens, dashes and underscores\n"
+            unless $flag =~ /^[a-zA-Z0-9_-]+$/;
+        $defs{$flag} = $value;
     } elsif (/^-/) {
-	usage();
+        usage();
     } else {
-	$in = $_, next unless defined $in;
-	$out = $_, next unless defined $out;
-	usage();
+        $in = $_, next unless defined $in;
+        $out = $_, next unless defined $out;
+        usage();
     }
 }
 
@@ -76,13 +76,13 @@ while(defined $inf) {
 while(<$inf>) {
     # Certain commands are discarded without further processing.
     /^\@(?:
-	 [a-z]+index		# @*index: useful only in complete manual
-	 |need			# @need: useful only in printed manual
-	 |(?:end\s+)?group	# @group .. @end group: ditto
-	 |page			# @page: ditto
-	 |node			# @node: useful only in .info file
-	 |(?:end\s+)?ifnottex   # @ifnottex .. @end ifnottex: use contents
-	)\b/x and next;
+         [a-z]+index            # @*index: useful only in complete manual
+         |need                  # @need: useful only in printed manual
+         |(?:end\s+)?group      # @group .. @end group: ditto
+         |page                  # @page: ditto
+         |node                  # @node: useful only in .info file
+         |(?:end\s+)?ifnottex   # @ifnottex .. @end ifnottex: use contents
+        )\b/x and next;
 
     chomp;
 
@@ -92,38 +92,38 @@ while(<$inf>) {
 
     # Identify a man title but keep only the one we are interested in.
     /^\@c\s+man\s+title\s+([A-Za-z0-9-]+)\s+(.+)/ and do {
-	if (exists $defs{$1}) {
-	    $fn = $1;
-	    $tl = postprocess($2);
-	}
-	next;
+        if (exists $defs{$1}) {
+            $fn = $1;
+            $tl = postprocess($2);
+        }
+        next;
     };
 
     # Look for blocks surrounded by @c man begin SECTION ... @c man end.
     # This really oughta be @ifman ... @end ifman and the like, but such
     # would require rev'ing all other Texinfo translators.
     /^\@c\s+man\s+begin\s+([A-Z]+)\s+([A-Za-z0-9-]+)/ and do {
-	$output = 1 if exists $defs{$2};
+        $output = 1 if exists $defs{$2};
         $sect = $1;
-	next;
+        next;
     };
     /^\@c\s+man\s+begin\s+([A-Z]+)/ and $sect = $1, $output = 1, next;
     /^\@c\s+man\s+end/ and do {
-	$sects{$sect} = "" unless exists $sects{$sect};
-	$sects{$sect} .= postprocess($section);
-	$section = "";
-	$output = 0;
-	next;
+        $sects{$sect} = "" unless exists $sects{$sect};
+        $sects{$sect} .= postprocess($section);
+        $section = "";
+        $output = 0;
+        next;
     };
 
     # handle variables
     /^\@set\s+([a-zA-Z0-9_-]+)\s*(.*)$/ and do {
-	$defs{$1} = $2;
-	next;
+        $defs{$1} = $2;
+        next;
     };
     /^\@clear\s+([a-zA-Z0-9_-]+)/ and do {
-	delete $defs{$1};
-	next;
+        delete $defs{$1};
+        next;
     };
 
     next unless $output;
@@ -135,55 +135,55 @@ while(<$inf>) {
     # End-block handler goes up here because it needs to operate even
     # if we are skipping.
     /^\@end\s+([a-z]+)/ and do {
-	# Ignore @end foo, where foo is not an operation which may
-	# cause us to skip, if we are presently skipping.
-	my $ended = $1;
-	next if $skipping && $ended !~ /^(?:ifset|ifclear|ignore|menu|iftex)$/;
-
-	die "\@end $ended without \@$ended at line $.\n" unless defined $endw;
-	die "\@$endw ended by \@end $ended at line $.\n" unless $ended eq $endw;
-
-	$endw = pop @endwstack;
-
-	if ($ended =~ /^(?:ifset|ifclear|ignore|menu|iftex)$/) {
-	    $skipping = pop @skstack;
-	    next;
-	} elsif ($ended =~ /^(?:example|smallexample|display)$/) {
-	    $shift = "";
-	    $_ = "";	# need a paragraph break
-	} elsif ($ended =~ /^(?:itemize|enumerate|[fv]?table)$/) {
-	    $_ = "\n=back\n";
-	    $ic = pop @icstack;
-	} else {
-	    die "unknown command \@end $ended at line $.\n";
-	}
+        # Ignore @end foo, where foo is not an operation which may
+        # cause us to skip, if we are presently skipping.
+        my $ended = $1;
+        next if $skipping && $ended !~ /^(?:ifset|ifclear|ignore|menu|iftex)$/;
+
+        die "\@end $ended without \@$ended at line $.\n" unless defined $endw;
+        die "\@$endw ended by \@end $ended at line $.\n" unless $ended eq $endw;
+
+        $endw = pop @endwstack;
+
+        if ($ended =~ /^(?:ifset|ifclear|ignore|menu|iftex)$/) {
+            $skipping = pop @skstack;
+            next;
+        } elsif ($ended =~ /^(?:example|smallexample|display)$/) {
+            $shift = "";
+            $_ = "";        # need a paragraph break
+        } elsif ($ended =~ /^(?:itemize|enumerate|[fv]?table)$/) {
+            $_ = "\n=back\n";
+            $ic = pop @icstack;
+        } else {
+            die "unknown command \@end $ended at line $.\n";
+        }
     };
 
     # We must handle commands which can cause skipping even while we
     # are skipping, otherwise we will not process nested conditionals
     # correctly.
     /^\@ifset\s+([a-zA-Z0-9_-]+)/ and do {
-	push @endwstack, $endw;
-	push @skstack, $skipping;
-	$endw = "ifset";
-	$skipping = 1 unless exists $defs{$1};
-	next;
+        push @endwstack, $endw;
+        push @skstack, $skipping;
+        $endw = "ifset";
+        $skipping = 1 unless exists $defs{$1};
+        next;
     };
 
     /^\@ifclear\s+([a-zA-Z0-9_-]+)/ and do {
-	push @endwstack, $endw;
-	push @skstack, $skipping;
-	$endw = "ifclear";
-	$skipping = 1 if exists $defs{$1};
-	next;
+        push @endwstack, $endw;
+        push @skstack, $skipping;
+        $endw = "ifclear";
+        $skipping = 1 if exists $defs{$1};
+        next;
     };
 
     /^\@(ignore|menu|iftex)\b/ and do {
-	push @endwstack, $endw;
-	push @skstack, $skipping;
-	$endw = $1;
-	$skipping = 1;
-	next;
+        push @endwstack, $endw;
+        push @skstack, $skipping;
+        $endw = $1;
+        $skipping = 1;
+        next;
     };
 
     next if $skipping;
@@ -210,85 +210,85 @@ while(<$inf>) {
 
     # Inside a verbatim block, handle @var specially.
     if ($shift ne "") {
-	s/\@var\{([^\}]*)\}/<$1>/g;
+        s/\@var\{([^\}]*)\}/<$1>/g;
     }
 
     # POD doesn't interpret E<> inside a verbatim block.
     if ($shift eq "") {
-	s/</&lt;/g;
-	s/>/&gt;/g;
+        s/</&lt;/g;
+        s/>/&gt;/g;
     } else {
-	s/</&LT;/g;
-	s/>/&GT;/g;
+        s/</&LT;/g;
+        s/>/&GT;/g;
     }
 
     # Single line command handlers.
 
     /^\@include\s+(.+)$/ and do {
-	push @instack, $inf;
-	$inf = gensym();
-
-	# Try cwd and $ibase.
-	open($inf, "<" . $1)
-	    or open($inf, "<" . $ibase . "/" . $1)
-		or die "cannot open $1 or $ibase/$1: $!\n";
-	next;
+        push @instack, $inf;
+        $inf = gensym();
+
+        # Try cwd and $ibase.
+        open($inf, "<" . $1)
+            or open($inf, "<" . $ibase . "/" . $1)
+                or die "cannot open $1 or $ibase/$1: $!\n";
+        next;
     };
 
     /^\@(?:section|unnumbered|unnumberedsec|center)\s+(.+)$/
-	and $_ = "\n=head2 $1\n";
+        and $_ = "\n=head2 $1\n";
     /^\@subsection\s+(.+)$/
-	and $_ = "\n=head3 $1\n";
+        and $_ = "\n=head3 $1\n";
 
     # Block command handlers:
     /^\@itemize\s+(\@[a-z]+|\*|-)/ and do {
-	push @endwstack, $endw;
-	push @icstack, $ic;
-	$ic = $1;
-	$_ = "\n=over 4\n";
-	$endw = "itemize";
+        push @endwstack, $endw;
+        push @icstack, $ic;
+        $ic = $1;
+        $_ = "\n=over 4\n";
+        $endw = "itemize";
     };
 
     /^\@enumerate(?:\s+([a-zA-Z0-9]+))?/ and do {
-	push @endwstack, $endw;
-	push @icstack, $ic;
-	if (defined $1) {
-	    $ic = $1 . ".";
-	} else {
-	    $ic = "1.";
-	}
-	$_ = "\n=over 4\n";
-	$endw = "enumerate";
+        push @endwstack, $endw;
+        push @icstack, $ic;
+        if (defined $1) {
+            $ic = $1 . ".";
+        } else {
+            $ic = "1.";
+        }
+        $_ = "\n=over 4\n";
+        $endw = "enumerate";
     };
 
     /^\@([fv]?table)\s+(\@[a-z]+)/ and do {
-	push @endwstack, $endw;
-	push @icstack, $ic;
-	$endw = $1;
-	$ic = $2;
-	$ic =~ s/\@(?:samp|strong|key|gcctabopt|option|env)/B/;
-	$ic =~ s/\@(?:code|kbd)/C/;
-	$ic =~ s/\@(?:dfn|var|emph|cite|i)/I/;
-	$ic =~ s/\@(?:file)/F/;
-	$_ = "\n=over 4\n";
+        push @endwstack, $endw;
+        push @icstack, $ic;
+        $endw = $1;
+        $ic = $2;
+        $ic =~ s/\@(?:samp|strong|key|gcctabopt|option|env)/B/;
+        $ic =~ s/\@(?:code|kbd)/C/;
+        $ic =~ s/\@(?:dfn|var|emph|cite|i)/I/;
+        $ic =~ s/\@(?:file)/F/;
+        $_ = "\n=over 4\n";
     };
 
     /^\@((?:small)?example|display)/ and do {
-	push @endwstack, $endw;
-	$endw = $1;
-	$shift = "\t";
-	$_ = "";	# need a paragraph break
+        push @endwstack, $endw;
+        $endw = $1;
+        $shift = "\t";
+        $_ = "";        # need a paragraph break
     };
 
     /^\@itemx?\s*(.+)?$/ and do {
-	if (defined $1) {
-	    # Entity escapes prevent munging by the <> processing below.
-	    $_ = "\n=item $ic\&LT;$1\&GT;\n";
-	} else {
-	    $_ = "\n=item $ic\n";
-	    $ic =~ y/A-Ya-y/B-Zb-z/;
-	    $ic =~ s/(\d+)/$1 + 1/eg;
-	}
+        if (defined $1) {
+            # Entity escapes prevent munging by the <> processing below.
+            $_ = "\n=item $ic\&LT;$1\&GT;\n";
+        } else {
+            $_ = "\n=item $ic\n";
+            $ic =~ y/A-Ya-y/B-Zb-z/;
+            $ic =~ s/(\d+)/$1 + 1/eg;
+        }
     };
 
     $section .= $shift.$_."\n";
@@ -304,13 +304,13 @@ $sects{NAME} = "$fn \- $tl\n";
 $sects{FOOTNOTES} .= "=back\n" if exists $sects{FOOTNOTES};
 
 for $sect (qw(NAME SYNOPSIS DESCRIPTION OPTIONS EXAMPLES ENVIRONMENT FILES
-	      BUGS NOTES FOOTNOTES SEEALSO AUTHOR COPYRIGHT)) {
+              BUGS NOTES FOOTNOTES SEEALSO AUTHOR COPYRIGHT)) {
     if(exists $sects{$sect}) {
-	$head = $sect;
-	$head =~ s/SEEALSO/SEE ALSO/;
-	print "=head1 $head\n\n";
-	print scalar unmunge ($sects{$sect});
-	print "\n";
+        $head = $sect;
+        $head =~ s/SEEALSO/SEE ALSO/;
+        print "=head1 $head\n\n";
+        print scalar unmunge ($sects{$sect});
+        print "\n";
     }
 }
 
@@ -325,13 +325,13 @@ sub postprocess
 
     # @value{foo} is replaced by whatever 'foo' is defined as.
     while (m/(\@value\{([a-zA-Z0-9_-]+)\})/g) {
-	if (! exists $defs{$2}) {
-	    print STDERR "Option $2 not defined\n";
-	    s/\Q$1\E//;
-	} else {
-	    $value = $defs{$2};
-	    s/\Q$1\E/$value/;
-	}
+        if (! exists $defs{$2}) {
+            print STDERR "Option $2 not defined\n";
+            s/\Q$1\E//;
+        } else {
+            $value = $defs{$2};
+            s/\Q$1\E/$value/;
+        }
     }
 
     # Formatting commands.
@@ -381,9 +381,9 @@ sub postprocess
     # processing because otherwise the regexp will choke on formatting
     # inside @footnote.
     while (/\@footnote/g) {
-	s/\@footnote\{([^\}]+)\}/[$fnno]/;
-	add_footnote($1, $fnno);
-	$fnno++;
+        s/\@footnote\{([^\}]+)\}/[$fnno]/;
+        add_footnote($1, $fnno);
+        $fnno++;
     }
 
     return $_;
@@ -406,7 +406,7 @@ sub unmunge
 sub add_footnote
 {
     unless (exists $sects{FOOTNOTES}) {
-	$sects{FOOTNOTES} = "\n=over 4\n\n";
+        $sects{FOOTNOTES} = "\n=over 4\n\n";
     }
 
     $sects{FOOTNOTES} .= "=item $fnno.\n\n"; $fnno++;
@@ -419,9 +419,9 @@ sub add_footnote
     my $genseq = 0;
     sub gensym
     {
-	my $name = "GEN" . $genseq++;
-	my $ref = \*{$name};
-	delete $::{$name};
-	return $ref;
+        my $name = "GEN" . $genseq++;
+        my $ref = \*{$name};
+        delete $::{$name};
+        return $ref;
     }
 }