gecko/intl/chardet/tools/genverifier.pm

176 lines
4.6 KiB
Perl

#!/usr/local/bin/perl
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
package genverifier;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $VERSION);
use Exporter;
$VERSION = 1.00;
@ISA = qw(Exporter);
@EXPORT = qw(
GenVerifier
);
@EXPORT_OK = qw();
sub GenNPL {
my($ret) = << "END_MPL";
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
END_MPL
return $ret;
}
##--------------------------------------------------------------
sub GetClass {
my($char, $clstbl) = @_;
my($l);
for($l =0; $l <= @$clstbl; $l++) {
if(($clstbl->[$l][0] <= $char) && ($char <= $clstbl->[$l][1]))
{
return $clstbl->[$l][2];
}
}
print "WARNING- there are no class for $char\n";
};
##--------------------------------------------------------------
sub GenClassPkg {
my($name, $bits) = @_;
return GenPkg($name, $bits, "_cls");
}
##--------------------------------------------------------------
sub GenStatePkg {
my($name, $bits) = @_;
return GenPkg($name, $bits, "_st");
};
##--------------------------------------------------------------
sub GenPkg {
my($name, $bits, $tbl) = @_;
my($ret);
$ret = " {" .
"eIdxSft" . $bits . "bits, " .
"eSftMsk" . $bits . "bits, " .
"eBitSft" . $bits . "bits, " .
"eUnitMsk" . $bits . "bits, " .
$name . $tbl . "" .
" }";
return $ret;
};
##--------------------------------------------------------------
sub Gen4BitsClass {
my($name, $clstbl) = @_;
my($i,$j);
my($cls);
my($ret);
$ret = "";
$ret .= "static const uint32_t " . $name . "_cls [ 256 / 8 ] = {\n";
for($i = 0; $i < 0x100; $i+= 8) {
$ret .= "PCK4BITS(";
for($j = $i; $j < $i + 8; $j++) {
$cls = &GetClass($j,$clstbl);
$ret .= sprintf("%2d", $cls) ;
if($j != ($i+7)) {
$ret .= ",";
}
}
if( $i+8 >= 0x100) {
$ret .= ") ";
} else {
$ret .= "),";
}
$ret .= sprintf(" // %02x - %02x\n", $i, ($i+7));
}
$ret .= "};\n";
return $ret;
};
##--------------------------------------------------------------
sub GenVerifier {
my($name, $charset, $cls, $numcls, $st) = @_;
my($ret);
$ret = GenNPL();
$ret .= GenNote();
$ret .= GenHeader();
$ret .= Gen4BitsClass($name, $cls);
$ret .= "\n\n";
$ret .= Gen4BitsState($name, $st);
$ret .= "\n\n";
$ret .= "const SMModel " . $name . "SMModel = {\n";
$ret .= GenClassPkg($name, 4);
$ret .= ",\n";
$ret .= " " . $numcls;
$ret .= ",\n";
$ret .= GenStatePkg($name, 4);
$ret .= ",\n";
$ret .= " " . "CHAR_LEN_TABLE(" . $name . "CharLenTable),\n";
$ret .= ' "' . $charset . '",' . "\n";
$ret .= "};\n";
return $ret;
};
##--------------------------------------------------------------
sub Gen4BitsState {
my($name, $sttbl) = @_;
my($lenafterpad) = (((@$sttbl-1) >> 3) + 1) << 3;
my($i,$j);
my($ret);
$ret = "";
$ret .= "static const uint32_t " . $name . "_st [ " . ($lenafterpad >> 3) . "] = {\n";
for($i = 0; $i < $lenafterpad ; $i+= 8) {
$ret .= "PCK4BITS(";
for($j = $i; $j < $i + 8; $j++) {
if(0 == $sttbl->[$j]) {
$ret .= "eStart";
} else { if(1 == $sttbl->[$j]) {
$ret .= "eError";
} else { if(2 == $sttbl->[$j]) {
$ret .= "eItsMe";
} else {
$ret .= sprintf(" %d", $sttbl->[$j]) ;
}}}
if($j != ($i+7)) {
$ret .= ",";
}
}
if( $i+8 >= $lenafterpad ) {
$ret .= ") ";
} else {
$ret .= "),";
}
$ret .= sprintf(" // %02x - %02x\n", $i, ($i+7));
}
$ret .= "};\n";
return $ret;
};
##--------------------------------------------------------------
sub GenNote {
my($ret) = << "END_NOTE";
/*
* DO NOT EDIT THIS DOCUMENT MANUALLY !!!
* THIS FILE IS AUTOMATICALLY GENERATED BY THE TOOLS UNDER
* mozilla/intl/chardet/tools/
* Please contact ftang\@netscape.com or mozilla-i18n\@mozilla.org
* if you have any question. Thanks
*/
END_NOTE
return $ret;
}
##--------------------------------------------------------------
sub GenHeader {
my($ret) = << "END_HEADER";
#include "nsVerifier.h"
END_HEADER
return $ret;
}
##--------------------------------------------------------------
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