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         defined($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         MBIM => $mode_option,
  63         HuaweiMode => $mode_option,
  64         HuaweiNewMode => $mode_option,
  65         QuantaMode => $mode_option,
  66         BlackberryMode => $mode_option,
  67         OptionMode => $mode_option,
  68         SierraMode => $mode_option,
  69         SonyMode => $mode_option,
  70         QisdaMode => $mode_option,
  71         GCTMode => $mode_option,
  72         KobilMode => $mode_option,
  73         SequansMode => $mode_option,
  74         MobileActionMode => $mode_option,
  75         CiscoMode => $mode_option,
  76         StandardEject => $mode_option,
  77         NoDriverLoading => [],
  78         MessageEndpoint => $hex_option,
  79         ReleaseDelay => [],
  80         NeedResponse => [],
  81         ResponseEndpoint => $hex_option,
  82         ResetUSB => [],
  83         InquireDevice => [],
  84         CheckSuccess => $hex_option,
  85         Interface => $hex_option,
  86         Configuration => $hex_option,
  87         AltSetting => $hex_option,
  88 );
  89
  90 sub parse_file($) {
  91         my $file = shift;
  92         my $id;
  93
  94         $id = $file;
  95         $file =~ /\/?([^\/]+)$/ and $id = $1;
  96
  97         my $dev = add_device($id);
  98
  99         open FILE, "<$file" or die "Cannot open file '$file'\n";
 100         while (<FILE>) {
 101                 chomp;
 102                 s/^\s*(.+?)\s*$/$1/;
 103                 s/#.+$//;
 104                 next unless /\w/;
 105                 /(\w+)\s*=\s*(.+)\s*/ or do {
 106                         warn "Invalid Line: $_";
 107                         next;
 108                 };
 109
 110                 my ($var, $val) = ($1, $2);
 111                 $val =~ s/^"(.+)"$/$1/;
 112
 113                 my $opt = $options{$var};
 114                 $opt or do {
 115                         warn "Unrecognized option $var in file $file\n";
 116                         next;
 117                 };
 118
 119                 $opt->[1] and $val = &{$opt->[1]}($val, $var);
 120                 $opt->[0] and $var = $opt->[0];
 121                 $dev->{$var} = $val;
 122         }
 123 }
 124
 125 foreach my $file (@ARGV) {
 126         parse_file $file;
 127 }
 128
 129 sub json_chr {
 130         my $chr = shift;
 131
 132         $chr eq "\b" and return "\\b";
 133         $chr eq "\n" and return "\\n";
 134         $chr eq "\r" and return "\\r";
 135         $chr eq "\t" and return "\\t";
 136         $chr eq "\\" and return "\\\\";
 137         $chr eq "\"" and return "\\\"";
 138         $chr eq '/' and return "\\/";
 139         return sprintf("\\u%04x", ord($chr));
 140 };
 141
 142 sub json_str {
 143         $_[0] =~ s/([\x00- \/"\\])/json_chr($1)/eg;
 144         return $_[0];
 145 }
 146
 147 sub json_val($$) {
 148         my ($val, $type) = (shift, shift);
 149         $type eq 'bool' and $val = $val > 0 ? "true" : "false";
 150         $type eq 'string' and $val = "\"$val\"";
 151         return $val;
 152 }
 153
 154 sub dev_opt {
 155         my ($val, $name, $type, $sep) = (shift, shift, shift, shift);
 156         return unless defined($val);
 157         if ($type =~ /array:(.+)/) {
 158                 $type = $1;
 159                 my @val = @$val;
 160                 undef $val;
 161                 foreach my $elem (@val) {
 162                         my $json = json_val($elem, $type);
 163                         next unless defined $json;
 164                         if (defined $val) {
 165                                 $val = "$val, $json"
 166                         } else {
 167                                 $val = $json;
 168                         }
 169                 }
 170                 $val = "[ $val ]";
 171         } else {
 172                 $val = json_val($val, $type);
 173         }
 174         print "$$sep\t\t\t\t\"".json_str($name)."\": $val";
 175         $$sep = ",\n";
 176 }
 177
 178 print <<EOF;
 179 {
 180         "messages" : [
 181 EOF
 182 my $suffix = "";
 183 foreach my $msg (sort { $messages{$a} <=> $messages{$b} } keys %messages) {
 184         print "$suffix\t\t\"".json_str($msg)."\"";
 185         $suffix = ",\n";
 186 }
 187 print <<EOF;
 188
 189         ],
 190
 191         "devices" : {
 192 EOF
 193 my $dev_sep = "";
 194 foreach my $devid (sort keys %devices) {
 195         my $dev = $devices{$devid};
 196
 197         print "$dev_sep\t\t\"".json_str($devid)."\": {\n";
 198         $dev_sep = ",\n";
 199
 200         my $match_sep = "";
 201         foreach my $match (sort keys %$dev) {
 202                 my $cur = $dev->{$match};
 203                 my $sep = "";
 204
 205                 print "$match_sep\t\t\t\"".json_str($match)."\": {\n";
 206                 $match_sep = ",\n";
 207
 208                 dev_opt($cur->{TargetVendor}, "t_vendor", "int", \$sep);
 209                 dev_opt($cur->{TargetProduct}, "t_product", "array:int", \$sep);
 210                 dev_opt($cur->{TargetClass}, "t_class", "int", \$sep);
 211                 dev_opt($cur->{DetachStorageOnly}, "detach_storage", "bool", \$sep);
 212                 dev_opt($cur->{Mode}, "mode", "string", \$sep);
 213                 dev_opt($cur->{NoDriverLoading}, "no_driver", "bool", \$sep);
 214                 dev_opt($cur->{MessageEndpoint}, "msg_endpoint", "int", \$sep);
 215                 my $msg = [
 216                         $cur->{MessageContent},
 217                         $cur->{MessageContent2},
 218                         $cur->{MessageContent3}
 219                 ];
 220                 dev_opt($msg, "msg", "array:int", \$sep);
 221                 dev_opt($cur->{WaitBefore}, "wait", "int", \$sep);
 222                 dev_opt($cur->{ReleaseDelay}, "release_delay", "int", \$sep);
 223                 dev_opt($cur->{NeedResponse}, "response", "bool", \$sep);
 224                 dev_opt($cur->{ResponseEndpoint}, "response_endpoint", "int", \$sep);
 225                 dev_opt($cur->{ResetUSB}, "reset", "bool", \$sep);
 226                 dev_opt($cur->{InquireDevice}, "inquire", "int", \$sep);
 227                 dev_opt($cur->{CheckSuccess}, "check", "bool", \$sep);
 228                 dev_opt($cur->{Interface}, "interface", "int", \$sep);
 229                 dev_opt($cur->{Configuration}, "config", "int", \$sep);
 230                 dev_opt($cur->{AltSetting}, "alt", "int", \$sep);
 231                 print "\n\t\t\t}";
 232         }
 233         print "\n\t\t}"
 234 }
 235 print <<EOF;
 236
 237         }
 238 }
 239 EOF