lib/param move source4 param code to the top level

[ira/wip.git] / script / mks3param.pl

diff --git a/script/mks3param.pl b/script/mks3param.pl
new file mode 100644 (file)
index 0000000..2679b5a
--- /dev/null
+++ b/script/mks3param.pl
@@ -0,0 +1,186 @@
+#!/usr/bin/perl
+# Generate loadparm interfaces tables for Samba3/Samba4 integration
+# by Andrew Bartlett
+# based on mkproto.pl Written by Jelmer Vernooij
+# based on the original mkproto.sh by Andrew Tridgell
+
+use strict;
+
+# don't use warnings module as it is not portable enough
+# use warnings;
+
+use Getopt::Long;
+use File::Basename;
+use File::Path;
+
+#####################################################################
+# read a file into a string
+
+my $file = undef;
+my $public_define = undef;
+my $_public = "";
+my $_private = "";
+my $public_data = \$_public;
+my $builddir = ".";
+my $srcdir = ".";
+
+sub public($)
+{
+       my ($d) = @_;
+       $$public_data .= $d;
+}
+
+sub usage()
+{
+       print "Usage: mks3param.pl [options] [c files]\n";
+       print "OPTIONS:\n";
+       print "  --srcdir=path          Read files relative to this directory\n";
+       print "  --builddir=path        Write file relative to this directory\n";
+       print "  --help                 Print this help message\n\n";
+       exit 0;
+}
+
+GetOptions(
+       'file=s' => sub { my ($f,$v) = @_; $file = $v; },
+       'srcdir=s' => sub { my ($f,$v) = @_; $srcdir = $v; },
+       'builddir=s' => sub { my ($f,$v) = @_; $builddir = $v; },
+       'help' => \&usage
+) or exit(1);
+
+sub normalize_define($$)
+{
+       my ($define, $file) = @_;
+
+       if (not defined($define) and defined($file)) {
+               $define = "__" . uc($file) . "__";
+               $define =~ tr{./}{__};
+               $define =~ tr{\-}{_};
+       } elsif (not defined($define)) {
+               $define = '_S3_PARAM_H_';
+       }
+
+       return $define;
+}
+
+$public_define = normalize_define($public_define, $file);
+
+sub file_load($)
+{
+    my($filename) = @_;
+    local(*INPUTFILE);
+    open(INPUTFILE, $filename) or return undef;
+    my($saved_delim) = $/;
+    undef $/;
+    my($data) = <INPUTFILE>;
+    close(INPUTFILE);
+    $/ = $saved_delim;
+    return $data;
+}
+
+sub print_header($$)
+{
+       my ($file, $header_name) = @_;
+       $file->("#ifndef $header_name\n");
+       $file->("#define $header_name\n\n");
+       $file->("/* This file was automatically generated by mks3param.pl. DO NOT EDIT */\n\n");
+       $file->("struct loadparm_s3_context\n");
+       $file->("{\n");
+       $file->("\tconst char * (*get_parametric)(struct loadparm_service *, const char *type, const char *option);\n");
+       $file->("\tstruct parm_struct * (*get_parm_struct)(const char *param_name);\n");
+       $file->("\tvoid * (*get_parm_ptr)(struct loadparm_service *service, struct parm_struct *parm);\n");
+       $file->("\tstruct loadparm_service * (*get_service)(const char *service_name);\n");
+       $file->("\tstruct loadparm_service * (*get_default_loadparm_service)(void);\n");
+       $file->("\tstruct loadparm_service * (*get_servicebynum)(int snum);\n");
+       $file->("\tint (*get_numservices)(void);\n");
+       $file->("\tbool (*load)(const char *filename);\n");
+       $file->("\tbool (*set_cmdline)(const char *pszParmName, const char *pszParmValue);\n");
+       $file->("\tvoid (*dump)(FILE *f, bool show_defaults, int maxtoprint);\n");
+}
+
+sub print_footer($$) 
+{
+       my ($file, $header_name) = @_;
+       $file->("};");
+       $file->("\n#endif /* $header_name */\n\n");
+}
+
+sub handle_loadparm($$) 
+{
+       my ($file,$line) = @_;
+
+       if ($line =~ /^FN_(GLOBAL|LOCAL)_(CONST_STRING|STRING|BOOL|bool|CHAR|INTEGER|LIST)\((\w+),.*\)/o) {
+               my $scope = $1;
+               my $type = $2;
+               my $name = $3;
+
+               my %tmap = (
+                           "BOOL" => "bool ",
+                           "CONST_STRING" => "const char *",
+                           "STRING" => "const char *",
+                           "INTEGER" => "int ",
+                           "CHAR" => "char ",
+                           "LIST" => "const char **",
+                           );
+
+               $file->("\t$tmap{$type} (*$name)(void);\n");
+       }
+}
+
+sub process_file($$) 
+{
+       my ($file, $filename) = @_;
+
+       $filename =~ s/\.o$/\.c/g;
+
+       if ($filename =~ /^\//) {
+               open(FH, "<$filename") or die("Failed to open $filename");
+       } elsif (!open(FH, "< $builddir/$filename")) {
+           open(FH, "< $srcdir/$filename") || die "Failed to open $filename";
+       }
+
+       my $comment = undef;
+       my $incomment = 0;
+       while (my $line = <FH>) {             
+               if ($line =~ /^\/\*\*/) { 
+                       $comment = "";
+                       $incomment = 1;
+               }
+
+               if ($incomment) {
+                       $comment .= $line;
+                       if ($line =~ /\*\//) {
+                               $incomment = 0;
+                       }
+               } 
+
+               # these are ordered for maximum speed
+               next if ($line =~ /^\s/);
+             
+               next unless ($line =~ /\(/);
+
+               next if ($line =~ /^\/|[;]/);
+
+               if ($line =~ /^FN_/) {
+                       handle_loadparm($file, $line);
+               }
+               next;
+       }
+
+       close(FH);
+}
+
+
+print_header(\&public, $public_define);
+
+process_file(\&public, $_) foreach (@ARGV);
+print_footer(\&public, $public_define);
+
+if (not defined($file)) {
+       print STDOUT $$public_data;
+}
+
+mkpath(dirname($file), 0, 0755);
+open(PUBLIC, ">$file") or die("Can't open `$file': $!"); 
+print PUBLIC "$$public_data";
+close(PUBLIC);
+