168651Skris#!/usr/local/bin/perl -w
268651Skris
368651Skrisuse strict;
468651Skris
568651Skrismy ($i, @arr);
668651Skris
768651Skris# Set up an array with the type of ASCII characters
868651Skris# Each set bit represents a character property.
968651Skris
1068651Skris# RFC2253 character properties
1168651Skrismy $RFC2253_ESC = 1;	# Character escaped with \
1268651Skrismy $ESC_CTRL	= 2;	# Escaped control character
1368651Skris# These are used with RFC1779 quoting using "
1468651Skrismy $NOESC_QUOTE	= 8;	# Not escaped if quoted
1568651Skrismy $PSTRING_CHAR = 0x10;	# Valid PrintableString character
1668651Skrismy $RFC2253_FIRST_ESC = 0x20; # Escaped with \ if first character
1768651Skrismy $RFC2253_LAST_ESC = 0x40;  # Escaped with \ if last character
1868651Skris
1968651Skrisfor($i = 0; $i < 128; $i++) {
2068651Skris	# Set the RFC2253 escape characters (control)
2168651Skris	$arr[$i] = 0;
2268651Skris	if(($i < 32) || ($i > 126)) {
2368651Skris		$arr[$i] |= $ESC_CTRL;
2468651Skris	}
2568651Skris
2668651Skris	# Some PrintableString characters
2768651Skris	if(		   ( ( $i >= ord("a")) && ( $i <= ord("z")) )
2868651Skris			|| (  ( $i >= ord("A")) && ( $i <= ord("Z")) )
2968651Skris			|| (  ( $i >= ord("0")) && ( $i <= ord("9")) )  ) {
3068651Skris		$arr[$i] |= $PSTRING_CHAR;
3168651Skris	}
3268651Skris}
3368651Skris
3468651Skris# Now setup the rest
3568651Skris
3668651Skris# Remaining RFC2253 escaped characters
3768651Skris
3868651Skris$arr[ord(" ")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC | $RFC2253_LAST_ESC;
3968651Skris$arr[ord("#")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC;
4068651Skris
4168651Skris$arr[ord(",")] |= $NOESC_QUOTE | $RFC2253_ESC;
4268651Skris$arr[ord("+")] |= $NOESC_QUOTE | $RFC2253_ESC;
4368651Skris$arr[ord("\"")] |= $RFC2253_ESC;
4468651Skris$arr[ord("\\")] |= $RFC2253_ESC;
4568651Skris$arr[ord("<")] |= $NOESC_QUOTE | $RFC2253_ESC;
4668651Skris$arr[ord(">")] |= $NOESC_QUOTE | $RFC2253_ESC;
4768651Skris$arr[ord(";")] |= $NOESC_QUOTE | $RFC2253_ESC;
4868651Skris
4968651Skris# Remaining PrintableString characters
5068651Skris
5168651Skris$arr[ord(" ")] |= $PSTRING_CHAR;
5268651Skris$arr[ord("'")] |= $PSTRING_CHAR;
5368651Skris$arr[ord("(")] |= $PSTRING_CHAR;
5468651Skris$arr[ord(")")] |= $PSTRING_CHAR;
5568651Skris$arr[ord("+")] |= $PSTRING_CHAR;
5668651Skris$arr[ord(",")] |= $PSTRING_CHAR;
5768651Skris$arr[ord("-")] |= $PSTRING_CHAR;
5868651Skris$arr[ord(".")] |= $PSTRING_CHAR;
5968651Skris$arr[ord("/")] |= $PSTRING_CHAR;
6068651Skris$arr[ord(":")] |= $PSTRING_CHAR;
6168651Skris$arr[ord("=")] |= $PSTRING_CHAR;
6268651Skris$arr[ord("?")] |= $PSTRING_CHAR;
6368651Skris
6468651Skris# Now generate the C code
6568651Skris
6668651Skrisprint <<EOF;
6768651Skris/* Auto generated with chartype.pl script.
6868651Skris * Mask of various character properties
6968651Skris */
7068651Skris
7168651Skrisstatic unsigned char char_type[] = {
7268651SkrisEOF
7368651Skris
7468651Skrisfor($i = 0; $i < 128; $i++) {
7568651Skris	print("\n") if($i && (($i % 16) == 0));
7668651Skris	printf("%2d", $arr[$i]);
7768651Skris	print(",") if ($i != 127);
7868651Skris}
7968651Skrisprint("\n};\n\n");
8068651Skris
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