forked from Mirrors/wine-wine
130 lines
3.2 KiB
Perl
130 lines
3.2 KiB
Perl
#!/usr/bin/perl
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#
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# Reads the Unicode 2.0 "unidata2.txt" file and selects encodings
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# for case pairs, then builds an include file "casemap.h" for the
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# case conversion routines.
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use integer
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$INFILE = "UnicodeData.txt";
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$OUT = ">casemap.h";
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$TEST = ">allcodes";
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# Open the data file ...
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open INFILE or die "Can't open input file $INFILE!\n";
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open OUT or die "Can't open output file $OUT!\n";
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open TEST or die "Can't open output file $OUT!\n";
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#Initialize the upper and lower hashes
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%lwrtable = ();
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%uprtable = ();
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@low = ("0") x 256;
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@upr = ("0") x 256;
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while ($line = <INFILE> )
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{
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# Decode the fields ...
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($code, $name, $cat, $comb, $bidi,
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$decomp, $dec, $dig, $num, $mirror,
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$oldname, $comment, $upper, $lower, $title) = split /;/, $line;
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#Get the high byte of the code
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$high = substr $code, 0, 2;
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if ($lower ne "") {
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$low[hex $high] = "lblk" . $high;
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$lwrtable{$code} = $lower;
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}
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if ($upper ne "") {
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$upr[hex $high] = "ublk" . $high;
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$uprtable{$code} = $upper;
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}
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#Write everything to the test file
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printf TEST "%s %s %s\n", $code,
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$upper ne "" ? $upper : "0000",
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$lower ne "" ? $lower : "0000";
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}
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close(FILE);
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close TEST;
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#Generate the header file
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print OUT "/*\n";
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print OUT " * Automatically generated file -- do not edit!\n";
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print OUT " * (Use tools/unimap.pl for generation)\n";
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print OUT " *\n";
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print OUT " * Mapping tables for Unicode case conversion\n";
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print OUT " */\n";
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print OUT "\n";
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print OUT "#ifndef __WINE_CASEMAP_H\n";
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print OUT "#define __WINE_CASEMAP_H\n";
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print OUT "\n";
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print OUT "#include \"windef.h\"\n";
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print OUT "\n";
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#Write out the non-trivial mappings
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for ($high = 0; $high < 256; $high++) {
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#Check whether the table is needed
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if (length $low[$high] < 6) {
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next;
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}
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printf OUT "/* Lowercase mappings %02X00 - %02XFF */\n",
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$high, $high;
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printf OUT "static const WCHAR lblk%02X[256] = {\n", $high;
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for ($low = 0; $low < 256; $low += 8) {
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@patch = ();
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for ($i = 0; $i < 8; $i++) {
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$code = sprintf "%02X%02X", $high, $low + $i;
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$map = $lwrtable{$code};
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if ($map eq "") {
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$map = $code;
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}
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$patch[$i] = "0x" . $map;
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}
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printf OUT "\t%s, %s, %s, %s, %s, %s, %s, %s,\n",
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@patch;
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}
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print OUT "};\n\n";
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}
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print OUT "static const WCHAR * const lwrtable[256] = {\n";
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for ($i = 0; $i < 256; $i += 8) {
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@patch = @low[$i+0 .. $i+7];
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printf OUT "\t%06s, %06s, %06s, %06s, %06s, %06s, %06s, %06s,\n",
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@patch;
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}
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print OUT "};\n\n";
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for ($high = 0; $high < 256; $high++) {
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#Check whether the table is needed
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if (length $upr[$high] < 6) {
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next;
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}
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printf OUT "/* Uppercase mappings %02X00 - %02XFF */\n",
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$high, $high;
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printf OUT "static const WCHAR ublk%02X[256] = {\n", $high;
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for ($low = 0; $low < 256; $low += 8) {
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@patch = ();
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for ($i = 0; $i < 8; $i++) {
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$code = sprintf "%02X%02X", $high, $low + $i;
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$map = $uprtable{$code};
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if ($map eq "") {
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$map = $code;
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}
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$patch[$i] = "0x" . $map;
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}
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printf OUT "\t%s, %s, %s, %s, %s, %s, %s, %s,\n",
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@patch;
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}
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print OUT "};\n\n";
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}
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print OUT "static const WCHAR * const uprtable[256] = {\n";
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for ($i = 0; $i < 256; $i += 8) {
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@patch = @upr[$i+0 .. $i+7];
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printf OUT "\t%06s, %06s, %06s, %06s, %06s, %06s, %06s, %06s,\n",
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@patch;
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}
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print OUT "};\n";
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print OUT "\n";
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print OUT "#endif /* !defined(__WINE_CASEMAP_H) */\n";
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close(OUT);
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