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#!/usr/bin/perl -w
open F, "cat C-translit.h.in | gcc -E - |" || die "Cannot preprocess input file";
sub cstrlen {
my($str) = @_;
my($len) = length($str);
my($cnt);
my($res) = 0;
for ($cnt = 0; $cnt < $len; ++$cnt) {
if (substr($str, $cnt, 1) eq '\\') {
# Recognize the escape sequence.
if (substr($str, $cnt + 1, 1) eq 'x') {
my($inner);
for ($inner = $cnt + 2; $inner < $len && $inner < $cnt + 10; ++$inner) {
my($ch) = substr($str, $inner, 1);
next if (($ch ge '0' && $ch le '9')
|| ($ch ge 'a' && $ch le 'f')
|| ($ch ge 'A' && $ch le 'F'));
last;
}
$cnt = $inner;
++$res;
} else {
die "invalid input" if ($cnt + 1 >= $len);
++$res;
++$cnt;
}
} else {
++$res;
}
}
return $res;
}
while (<F>) {
next if (/^#/);
next if (/^[ ]*$/);
chop;
if (/"([^\"]*)"[ ]*"(.*)"/) {
my($from) = $1;
my($to) = $2;
my($fromlen) = cstrlen($from);
my($tolen) = cstrlen($to);
push(@froms, $from);
push(@fromlens, $fromlen);
push(@tos, $to);
push(@tolens, $tolen);
}
}
printf "#include <stdint.h>\n";
printf "#define NTRANSLIT %d\n", $#froms + 1;
printf "static const uint32_t translit_from_idx[] =\n{\n ";
$col = 2;
$total = 0;
for ($cnt = 0; $cnt <= $#fromlens; ++$cnt) {
if ($cnt != 0) {
if ($col + 7 >= 79) {
printf(",\n ");
$col = 2;
} else {
printf(", ");
$col += 2;
}
}
printf("%4d", $total);
$total += $fromlens[$cnt] + 1;
$col += 4;
}
printf("\n};\n");
printf "static const wchar_t translit_from_tbl[] =\n ";
$col = 1;
for ($cnt = 0; $cnt <= $#froms; ++$cnt) {
if ($cnt != 0) {
if ($col + 6 >= 79) {
printf("\n ");
$col = 1;
}
printf(" L\"\\0\"");
$col += 6;
}
if ($col > 2 && $col + length($froms[$cnt]) + 4 >= 79) {
printf("\n ");
$col = 2;
} else {
printf(" ");
++$col;
}
printf("L\"$froms[$cnt]\"");
$col += length($froms[$cnt]) + 3;
}
printf(";\n");
printf "static const uint32_t translit_to_idx[] =\n{\n ";
$col = 2;
$total = 0;
for ($cnt = 0; $cnt <= $#tolens; ++$cnt) {
if ($cnt != 0) {
if ($col + 7 >= 79) {
printf(",\n ");
$col = 2;
} else {
printf(", ");
$col += 2;
}
}
printf("%4d", $total);
$total += $tolens[$cnt] + 2;
$col += 4;
}
printf("\n};\n");
printf "static const wchar_t translit_to_tbl[] =\n ";
$col = 1;
for ($cnt = 0; $cnt <= $#tos; ++$cnt) {
if ($cnt != 0) {
if ($col + 6 >= 79) {
printf("\n ");
$col = 1;
}
printf(" L\"\\0\"");
$col += 6;
}
if ($col > 2 && $col + length($tos[$cnt]) + 6 >= 79) {
printf("\n ");
$col = 2;
} else {
printf(" ");
++$col;
}
printf("%s", "L\"$tos[$cnt]\\0\"");
$col += length($tos[$cnt]) + 5;
}
printf(";\n");
exit 0;
|
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