mirror of
https://github.com/oxen-io/session-android.git
synced 2024-11-28 12:35:17 +00:00
81 lines
2.1 KiB
Perl
81 lines
2.1 KiB
Perl
#!/usr/local/bin/perl -w
|
|
|
|
use strict;
|
|
|
|
my ($i, @arr);
|
|
|
|
# Set up an array with the type of ASCII characters
|
|
# Each set bit represents a character property.
|
|
|
|
# RFC2253 character properties
|
|
my $RFC2253_ESC = 1; # Character escaped with \
|
|
my $ESC_CTRL = 2; # Escaped control character
|
|
# These are used with RFC1779 quoting using "
|
|
my $NOESC_QUOTE = 8; # Not escaped if quoted
|
|
my $PSTRING_CHAR = 0x10; # Valid PrintableString character
|
|
my $RFC2253_FIRST_ESC = 0x20; # Escaped with \ if first character
|
|
my $RFC2253_LAST_ESC = 0x40; # Escaped with \ if last character
|
|
|
|
for($i = 0; $i < 128; $i++) {
|
|
# Set the RFC2253 escape characters (control)
|
|
$arr[$i] = 0;
|
|
if(($i < 32) || ($i > 126)) {
|
|
$arr[$i] |= $ESC_CTRL;
|
|
}
|
|
|
|
# Some PrintableString characters
|
|
if( ( ( $i >= ord("a")) && ( $i <= ord("z")) )
|
|
|| ( ( $i >= ord("A")) && ( $i <= ord("Z")) )
|
|
|| ( ( $i >= ord("0")) && ( $i <= ord("9")) ) ) {
|
|
$arr[$i] |= $PSTRING_CHAR;
|
|
}
|
|
}
|
|
|
|
# Now setup the rest
|
|
|
|
# Remaining RFC2253 escaped characters
|
|
|
|
$arr[ord(" ")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC | $RFC2253_LAST_ESC;
|
|
$arr[ord("#")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC;
|
|
|
|
$arr[ord(",")] |= $NOESC_QUOTE | $RFC2253_ESC;
|
|
$arr[ord("+")] |= $NOESC_QUOTE | $RFC2253_ESC;
|
|
$arr[ord("\"")] |= $RFC2253_ESC;
|
|
$arr[ord("\\")] |= $RFC2253_ESC;
|
|
$arr[ord("<")] |= $NOESC_QUOTE | $RFC2253_ESC;
|
|
$arr[ord(">")] |= $NOESC_QUOTE | $RFC2253_ESC;
|
|
$arr[ord(";")] |= $NOESC_QUOTE | $RFC2253_ESC;
|
|
|
|
# Remaining PrintableString characters
|
|
|
|
$arr[ord(" ")] |= $PSTRING_CHAR;
|
|
$arr[ord("'")] |= $PSTRING_CHAR;
|
|
$arr[ord("(")] |= $PSTRING_CHAR;
|
|
$arr[ord(")")] |= $PSTRING_CHAR;
|
|
$arr[ord("+")] |= $PSTRING_CHAR;
|
|
$arr[ord(",")] |= $PSTRING_CHAR;
|
|
$arr[ord("-")] |= $PSTRING_CHAR;
|
|
$arr[ord(".")] |= $PSTRING_CHAR;
|
|
$arr[ord("/")] |= $PSTRING_CHAR;
|
|
$arr[ord(":")] |= $PSTRING_CHAR;
|
|
$arr[ord("=")] |= $PSTRING_CHAR;
|
|
$arr[ord("?")] |= $PSTRING_CHAR;
|
|
|
|
# Now generate the C code
|
|
|
|
print <<EOF;
|
|
/* Auto generated with chartype.pl script.
|
|
* Mask of various character properties
|
|
*/
|
|
|
|
static unsigned char char_type[] = {
|
|
EOF
|
|
|
|
for($i = 0; $i < 128; $i++) {
|
|
print("\n") if($i && (($i % 16) == 0));
|
|
printf("%2d", $arr[$i]);
|
|
print(",") if ($i != 127);
|
|
}
|
|
print("\n};\n\n");
|
|
|