convert-modeswitch.pl

   1 #!/usr/bin/perl
   2 use strict;
   3
   4 my $msg_ctr = 0;
   5 my %messages;
   6 my %devices;
   7
   8 sub add_message {
   9         my $msg = shift;
  10         my $val = $messages{$msg};
  11
  12         $val or do {
  13                 $val = $msg_ctr++;
  14                 $messages{$msg} = $val;
  15         };
  16
  17         return $val;
  18 }
  19
  20 sub add_device($) {
  21         my $id = shift;
  22         my $dev = {};
  23         my $match;
  24
  25         $id =~ /^(\w{4}:\w{4})(:.*)?/ or do {
  26                 warn "Invalid device ID string $id\n";
  27                 return $dev;
  28         };
  29
  30         $id = $1;
  31         $match = $2 or $match = "*";
  32
  33         $devices{$id} or $devices{$id} = {};
  34         $devices{$id}->{$match} = $dev;
  35
  36         return $dev;
  37 }
  38
  39 sub add_hex {
  40         $_[0] =~ s/^0x//;
  41         return hex($_[0]);
  42 }
  43
  44 sub add_mode {
  45         $_[1] =~ s/^(\w+)Mode$/$1/;
  46         return $_[1];
  47 }
  48
  49 my $hex_option = [ undef, \&add_hex ];
  50 my $msg_option = [ undef, \&add_message ];
  51 my $mode_option = [ "Mode", \&add_mode ];
  52 my %options = (
  53         TargetVendor => $hex_option,
  54         TargetProductList => [ "TargetProduct", sub { return [ map(hex,split(/,/, $_[0])) ]; } ],
  55         TargetProduct => [ "TargetProduct", sub { return [ hex($_[0]) ]; } ],
  56         TargetClass => $hex_option,
  57         MessageContent => $msg_option,
  58         MessageContent2 => $msg_option,
  59         MessageContent3 => $msg_option,
  60         WaitBefore => [ ],
  61         DetachStorageOnly => [ ],
  62         HuaweiMode => $mode_option,
  63         SierraMode => $mode_option,
  64         SonyMode => $mode_option,
  65         QisdaMode => $mode_option,
  66         GCTMode => $mode_option,
  67         KobilMode => $mode_option,
  68         SequansMode => $mode_option,
  69         MobileActionMode => $mode_option,
  70         CiscoMode => $mode_option,
  71         NoDriverLoading => [],
  72         MessageEndpoint => $hex_option,
  73         ReleaseDelay => [],
  74         NeedResponse => [],
  75         ResponseEndpoint => $hex_option,
  76         ResetUSB => [],
  77         InquireDevice => [],
  78         CheckSuccess => $hex_option,
  79         Interface => $hex_option,
  80         Configuration => $hex_option,
  81         AltSetting => $hex_option,
  82 );
  83
  84 sub parse_file($) {
  85         my $file = shift;
  86         my $id;
  87
  88         $id = $file;
  89         $file =~ /\/?([^\/]+)$/ and $id = $1;
  90
  91         my $dev = add_device($id);
  92
  93         open FILE, "<$file" or die "Cannot open file '$file'\n";
  94         while (<FILE>) {
  95                 chomp;
  96                 s/^\s*(.+?)\s*$/$1/;
  97                 s/#.+$//;
  98                 next unless /\w/;
  99                 /(\w+)\s*=\s*(.+)\s*/ or do {
 100                         warn "Invalid Line: $_";
 101                         next;
 102                 };
 103
 104                 my ($var, $val) = ($1, $2);
 105                 $val =~ s/^"(.+)"$/$1/;
 106
 107                 my $opt = $options{$var};
 108                 $opt or do {
 109                         warn "Unrecognized option $var in file $file\n";
 110                         next;
 111                 };
 112
 113                 $opt->[1] and $val = &{$opt->[1]}($val, $var);
 114                 $opt->[0] and $var = $opt->[0];
 115                 $dev->{$var} = $val;
 116         }
 117 }
 118
 119 foreach my $file (@ARGV) {
 120         parse_file $file;
 121 }
 122
 123 sub json_chr {
 124         my $chr = shift;
 125
 126         $chr eq "\b" and return "\\b";
 127         $chr eq "\n" and return "\\n";
 128         $chr eq "\r" and return "\\r";
 129         $chr eq "\t" and return "\\t";
 130         $chr eq "\\" and return "\\\\";
 131         $chr eq "\"" and return "\\\"";
 132         $chr eq '/' and return "\\/";
 133         return sprintf("\\u%04x", ord($chr));
 134 };
 135
 136 sub json_str {
 137         $_[0] =~ s/([\x00- \/"\\])/json_chr($1)/eg;
 138         return $_[0];
 139 }
 140
 141 sub json_val($$) {
 142         my ($val, $type) = (shift, shift);
 143         $type eq 'bool' and $val = $val > 0 ? "true" : "false";
 144         $type eq 'string' and $val = "\"$val\"";
 145         return $val;
 146 }
 147
 148 sub dev_opt {
 149         my ($val, $name, $type, $sep) = (shift, shift, shift, shift);
 150         return unless defined($val);
 151         if ($type =~ /array:(.+)/) {
 152                 $type = $1;
 153                 my @val = @$val;
 154                 undef $val;
 155                 foreach my $elem (@val) {
 156                         my $json = json_val($elem, $type);
 157                         next unless defined $json;
 158                         if (defined $val) {
 159                                 $val = "$val, $json"
 160                         } else {
 161                                 $val = $json;
 162                         }
 163                 }
 164                 $val = "[ $val ]";
 165         } else {
 166                 $val = json_val($val, $type);
 167         }
 168         print "$$sep\t\t\t\t\"".json_str($name)."\": $val";
 169         $$sep = ",\n";
 170 }
 171
 172 print <<EOF;
 173 {
 174         "messages" : [
 175 EOF
 176 my $suffix = "";
 177 foreach my $msg (sort { $messages{$a} <=> $messages{$b} } keys %messages) {
 178         print "$suffix\t\t\"".json_str($msg)."\"";
 179         $suffix = ",\n";
 180 }
 181 print <<EOF;
 182
 183         ],
 184
 185         "devices" : {
 186 EOF
 187 my $dev_sep = "";
 188 foreach my $devid (sort keys %devices) {
 189         my $dev = $devices{$devid};
 190
 191         print "$dev_sep\t\t\"".json_str($devid)."\": {\n";
 192         $dev_sep = ",\n";
 193
 194         my $match_sep = "";
 195         foreach my $match (sort keys %$dev) {
 196                 my $cur = $dev->{$match};
 197                 my $sep = "";
 198
 199                 print "$match_sep\t\t\t\"".json_str($match)."\": {\n";
 200                 $match_sep = ",\n";
 201
 202                 dev_opt($cur->{TargetVendor}, "t_vendor", "int", \$sep);
 203                 dev_opt($cur->{TargetProduct}, "t_product", "array:int", \$sep);
 204                 dev_opt($cur->{TargetClass}, "t_class", "int", \$sep);
 205                 dev_opt($cur->{DetachStorageOnly}, "detach_storage", "bool", \$sep);
 206                 dev_opt($cur->{Mode}, "mode", "string", \$sep);
 207                 dev_opt($cur->{NoDriverLoading}, "no_driver", "bool", \$sep);
 208                 dev_opt($cur->{MessageEndpoint}, "msg_endpoint", "int", \$sep);
 209                 my $msg = [
 210                         $cur->{MessageContent},
 211                         $cur->{MessageContent2},
 212                         $cur->{MessageContent3}
 213                 ];
 214                 dev_opt($msg, "msg", "array:int", \$sep);
 215                 dev_opt($cur->{WaitBefore}, "wait", "int", \$sep);
 216                 dev_opt($cur->{ReleaseDelay}, "release_delay", "int", \$sep);
 217                 dev_opt($cur->{NeedResponse}, "response", "bool", \$sep);
 218                 dev_opt($cur->{ResponseEndpoint}, "response_endpoint", "int", \$sep);
 219                 dev_opt($cur->{ResetUSB}, "reset", "bool", \$sep);
 220                 dev_opt($cur->{InquireDevice}, "inquire", "int", \$sep);
 221                 dev_opt($cur->{CheckSuccess}, "check", "bool", \$sep);
 222                 dev_opt($cur->{Interface}, "interface", "int", \$sep);
 223                 dev_opt($cur->{Configuration}, "config", "int", \$sep);
 224                 dev_opt($cur->{AltSetting}, "alt", "int", \$sep);
 225                 print "\n\t\t\t}";
 226         }
 227         print "\n\t\t}"
 228 }
 229 print <<EOF;
 230
 231         }
 232 }
 233 EOF