gen-stringprep-tables.pl [plain text]
use strict;
my ($tab) = 59;
my ($intable) = 0;
my ($tablename);
my ($varname);
my ($starheader, $header);
my ($profile) = "rfc3454";
my ($filename) = "$profile.c";
my ($line, $start, $end, @map);
open(FH, ">$filename") or die "cannot open $filename for writing";
print FH "/* This file is automatically generated. DO NOT EDIT!\n";
print FH " Instead, edit gen-stringprep-tables.pl and re-run. */\n\n";
print FH "#include \"stringprep.h\"\n";
while(<>) {
s/^ (.*)/$1/g; $line = $_;
die "already in table" if $intable && m,^----- Start Table (.*) -----,;
die "not in table" if !$intable && m,^----- End Table (.*) -----,;
if ($intable && m,^----- End Table (.*) -----,) {
die "table error" unless $1 eq $tablename ||
($1 eq "C.1.2" && $tablename eq "C.1.1"); $intable = 0;
print FH " { 0 },\n";
print FH "};\n\n";
}
if (m,^[A-Z],) {
$header = $line;
} elsif (!m,^[ -],) {
$header .= $line;
}
next unless ($intable || m,^----- Start Table (.*) -----,);
if ($intable) {
$_ = $line;
chop $line;
next if m,^$,;
next if m,^Hoffman & Blanchet Standards Track \[Page [0-9]+\]$,;
next if m,^$,;
next if m,RFC 3454 Preparation of Internationalized Strings December 2002,;
die "regexp failed on line: $line" unless
m,^([0-9A-F]+)(-([0-9A-F]+))?(; ([0-9A-F]+)( ([0-9A-F]+))?( ([0-9A-F]+))?( ([0-9A-F]+))?;)?,;
die "too many mapping targets on line: $line" if $12;
$start = $1;
$end = $3;
$map[0] = $5;
$map[1] = $7;
$map[2] = $9;
$map[3] = $11;
die "tables tried to map a range" if $end && $map[0];
if ($map[3]) {
printf FH " { 0x%06s, 0, { 0x%06s,%*s/* %s */\n 0x%06s, 0x%06s, 0x%06s }},\n",
$start, $map[0], $tab-length($line)-13, " ", $line,
$map[1], $map[2], $map[3];
} elsif ($map[2]) {
printf FH " { 0x%06s, 0, { 0x%06s,%*s/* %s */\n 0x%06s, 0x%06s }},\n",
$start, $map[0], $tab-length($line)-14, " ", $line,
$map[1], $map[2];
} elsif ($map[1]) {
printf FH " { 0x%06s, 0, { 0x%06s,%*s/* %s */\n 0x%06s }},\n",
$start, $map[0], $tab-length($line)-14, " ", $line,
$map[1];
} elsif ($map[0]) {
printf FH " { 0x%06s, 0, { 0x%06s }},%*s/* %s */\n",
$start, $map[0], $tab-length($line)-17, " ", $line;
} elsif ($end) {
printf FH " { 0x%06s, 0x%06s },%*s/* %s */\n",
$start, $end, $tab-length($line)-11, " ", $line;
} else {
printf FH " { 0x%06s },%*s/* %s */\n",
$start, $tab-length($line)-11, " ", $line;
}
} else {
$intable = 1 if !$intable;
$tablename = $1;
($varname = $tablename) =~ tr/./_/;
$header =~ s/\n/\n * /s;
print FH "\n/*\n * $header */\n\n";
print FH "const Stringprep_table_element stringprep_${profile}_${varname}\[\] = {\n";
}
}
close FH or die "cannot close $filename";