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glibc/locale/gen-translit.pl
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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; |