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