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|
#!/usr/bin/perl
use lib "./lib";
use JSON;
use strict;
use warnings;
binmode STDOUT, ":utf8";
use utf8;
if (!@ARGV) {
die("gen-headers.pl <mbim_foo.json>\n");
}
my $json;
{
local $/; #Enable 'slurp' mode
open my $fh, "<", $ARGV[0];
$json = <$fh>;
close $fh;
$json =~ s/^\s*\/\/.*$//mg;
}
my $data = decode_json($json);
my $id = 1;
sub gen_foreach_field($)
{
my $field = shift;
my $format;
if ($field->{format} eq "guint32") {
$format = "uint32_t";
} elsif ($field->{format} eq "guint64") {
$format = "uint64_t";
} elsif ($field->{format} eq "struct") {
$format = "struct ". lc $field->{"struct-type"};
} elsif ($field->{format} eq "uuid") {
print "\tuint8_t " . lc $field->{name} . "[16];\n";
return;
} elsif ($field->{format} eq "ipv4") {
print "\tuint8_t " . lc $field->{name} . "[4];\n";
return;
} elsif ($field->{format} eq "ipv6") {
print "\tuint8_t " . lc $field->{name} . "[16];\n";
return;
} elsif ($field->{format} eq "struct-array") {
print "\t/* struct " . lc $field->{"struct-type"} . " */\n";
$format = "uint32_t";
} elsif ($field->{format} eq "string") {
$format = "struct mbim_string";
} else {
print "\t/* array type: " . $field->{format} . " */\n";
$format = "uint32_t";
}
if ($field->{"public-format"}) {
print "\t/* enum " . $field->{"public-format"} . " */\n";
}
print "\t" . $format . " " . lc $field->{name} . ";\n";
}
sub gen_struct($$)
{
my $struct = shift;
my $entry = shift;
$struct =~ s/ /_/g;
print "struct " . lc $struct . " {\n";
foreach my $field (@{$entry}) {
gen_foreach_field($field);
}
print "} __attribute__((packed));\n\n";
}
sub gen_foreach_struct($)
{
my $entry = shift;
if ($entry->{contents} && @{$entry->{contents}} > 0) {
my $struct = $entry->{name};
gen_struct($struct, $entry->{contents});
return;
}
print "/*\n * ID: " . $id . "\n * Command: " . $entry->{name} . "\n */\n\n";
my $define = "mbim_cmd_" . $entry->{service} . "_" . $entry->{name};
$define =~ s/ /_/g;
print "#define " . uc $define . "\t" . $id . "\n\n";
$id = $id + 1;
# basic connect has no sequential numbering. ugly hack alert
if ($id == 17) {
$id = 19;
}
if ($entry->{query} && @{$entry->{query}} > 0) {
my $struct = "mbim_" . $entry->{service} . "_" . $entry->{name} . "_q";
gen_struct($struct, $entry->{query});
}
if ($entry->{response} && @{$entry->{response}} > 0) {
my $struct = "mbim_" . $entry->{service} . "_" . $entry->{name} . "_r";
gen_struct($struct, $entry->{response});
}
if ($entry->{set} && @{$entry->{set}} > 0) {
my $struct = "mbim_" . $entry->{service} . "_" . $entry->{name} . "_s";
gen_struct($struct, $entry->{set});
}
if ($entry->{notification} && @{$entry->{notification}} > 0) {
my $struct = "mbim_" . $entry->{service} . "_" . $entry->{name} . "_n";
gen_struct($struct, $entry->{notification});
}
}
sub gen_foreach_command($)
{
my $data = shift;
foreach my $entry (@$data) {
my $args = [];
my $fields = [];
if ($entry->{type} eq 'Command') {
gen_foreach_struct($entry);
}
if ($entry->{type} eq 'Struct') {
gen_foreach_struct($entry);
}
}
}
gen_foreach_command($data);
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