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