doc: dump_selects.pl: support for docbook output

Added support for generating docbook output (by using the
 --docbook option).

doc/scripts/cdefs2doc/dump_selects.pl

@@ -63,8 +63,12 @@ my @core_exports; # filled with select definitions from core (if -c is used)
 my ($sel_grp_name, $sel_var_name);
 
 my ($opt_help, $opt_txt, $opt_is_tu, $dbg, $opt_grp_name, $opt_patch);
-my $opt_force_grp_name;
+my ($opt_force_grp_name, $opt_docbook);
 
+# default output formats
+my $output_format_header="HEADER";
+my $output_format_footer="FOOTER";
+my $output_format_selline="SELLINE";
 
 
 sub show_patch
@@ -113,6 +117,7 @@ Options:
                                  is autodetected (see also -g).
          --gcc     gcc_name    - run gcc_name instead of gcc.
          -t | --txt            - text mode output.
+         --docbook | --xml     - docbook output (xml).
          -T | --tu             - the input file is in raw gcc translation
                                  unit format (as produced by
                                    gcc -fdump-translation-unit -c ). If not
@@ -128,6 +133,37 @@ Options:
 
 }
 
+
+
+# escape a string for xml use
+# params: string to be escaped
+# return: escaped string
+sub xml_escape{
+	my $s=shift;
+	my %escapes = (
+		'"' => '"',
+		"'" => ''',
+		'&' => '&',
+		'<' => '&lt;',
+		'>' => '&gt;'
+	);
+	
+	$s=~s/(["'&<>])/$escapes{$1}/g;
+	return $s;
+}
+
+
+
+# escape a string according with the output requirements
+# params: string to be escaped
+# return: escaped string
+sub output_esc{
+	return xml_escape(shift) if defined $opt_docbook;
+	return shift;
+}
+
+
+
 # eliminate casts and expressions.
 # (always go on the first operand)
 # params: node (GCC::Node)
@@ -454,6 +490,7 @@ if ($#ARGV < 0 || ! GetOptions(	'help|h|?' => \$opt_help,
 								'file|f=s' => \$file,
 								'core|c=s' => \$core_file,
 								'txt|t' => \$opt_txt,
+								'docbook|xml' => \$opt_docbook,
 								'tu|T' => \$opt_is_tu,
 								'source|src|s=s' => \$src_fname,
 								'defs|d=s'=>\$c_defs,
@@ -473,6 +510,16 @@ if ($#ARGV < 0 || ! GetOptions(	'help|h|?' => \$opt_help,
 do { show_patch(); exit 0; } if (defined $opt_patch);
 do { select(STDERR); help(); exit 1 } if (!defined $file);
 
+if (defined $opt_txt){
+	$output_format_header="HEADER";
+	$output_format_footer="FOOTER";
+	$output_format_selline="SELLINE";
+}elsif (defined $opt_docbook){
+	$output_format_header="DOCBOOK_HEADER";
+	$output_format_footer="DOCBOOK_FOOTER";
+	$output_format_selline="DOCBOOK_SELLINE";
+}
+
 process_file($file, \@sel_exports, defined $opt_is_tu);
 process_file($core_file, \@core_exports, 0) if (defined $core_file);
 print(STDERR "Done.\n") if $dbg;
@@ -485,23 +532,24 @@ if (@sel_exports > 0){
 	$i=0;
 	# dump the configuration in txt mode
 	if (defined $opt_force_grp_name) {
-		$sel_grp_name=$opt_force_grp_name;
+		$sel_grp_name=output_esc($opt_force_grp_name);
 	}elsif (!defined $sel_grp_name && defined $opt_grp_name) {
-		$sel_grp_name=$opt_grp_name;
+		$sel_grp_name=output_esc($opt_grp_name);
 	}
 	print(STDERR "Generating select list...\n") if $dbg;
 	my @sels = gen_selects "0";
-	$~ = "HEADER"; write;
-	$~ = "SELLINE" ;
+	$~ = $output_format_header; write;
+	$~ = $output_format_selline ;
 	for $s (@sels){
-		$extra_txt="";
-		$desc="";
-		$name=$s;
+		$extra_txt=output_esc("");
+		$desc=output_esc("");
+		$name=output_esc($s);
 		$i++;
-		#$extra_txt.="Returns an array." if ($flags & 1 );
+		#$extra_txt.=output_esc("Returns an array.") if ($flags & 1 );
 		# generate txt description
 		write;
 	}
+	$~ = $output_format_footer; write;
 }else{
 	die "no selects found in $file\n";
 }
@@ -526,6 +574,9 @@ Selects@*
 
 .
 
+format FOOTER =
+.
+
 format SELLINE =
 @>>. @*
 $i,  $name
@@ -534,3 +585,34 @@ $i,  $name
 ~~      ^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
         $extra_txt
 .
+
+
+format DOCBOOK_HEADER =
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- this file is autogenerated, do not edit! -->
+<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+	"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+<chapter id="select_list@*">
+(valid_grp_name $sel_grp_name) ? "." . $sel_grp_name : ""
+	<title>Selects List@*</title>
+(valid_grp_name $sel_grp_name) ? " for " . $sel_grp_name : ""
+	<orderedlist>
+
+
+.
+
+format DOCBOOK_FOOTER =
+	</orderedlist>
+</chapter>
+.
+
+format DOCBOOK_SELLINE =
+	<listitem>@*
+					$name
+~~<para>^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< </para>
+        $desc
+~~<para>^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< </para>
+        $extra_txt
+	</listitem>
+
+.