aboutsummaryrefslogtreecommitdiffstats
path: root/libwc/map/mk_gb18030_ucs_map.pl
diff options
context:
space:
mode:
Diffstat (limited to 'libwc/map/mk_gb18030_ucs_map.pl')
-rw-r--r--libwc/map/mk_gb18030_ucs_map.pl172
1 files changed, 172 insertions, 0 deletions
diff --git a/libwc/map/mk_gb18030_ucs_map.pl b/libwc/map/mk_gb18030_ucs_map.pl
new file mode 100644
index 0000000..a5ba29b
--- /dev/null
+++ b/libwc/map/mk_gb18030_ucs_map.pl
@@ -0,0 +1,172 @@
+
+@NAME = ();
+while(<DATA>) {
+ chop;
+ s/\s*$//;
+ (($n, $m, $c) = split(" ", $_, 3)) >= 3 || next;
+ push(@NAME, $n);
+ $MAP{$n} = $m;
+ $CODE{$n} = $c;
+}
+
+%from_ucs0 = ();
+foreach $name (@NAME) {
+
+$code = $CODE{$name};
+$map = $MAP{$name};
+
+print "$name\t$map\t$code\n";
+
+%to_ucs = ();
+%from_ucs = ();
+open(MAP, "< $map");
+while(<MAP>) {
+ /^#/ && next;
+ s/#.*//;
+ (($i, $u) = split(" ")) || next;
+ $i = hex($i);
+ $u = hex($u);
+ $from_ucs{$u} = $i;
+ if (! $from_ucs0{$u}) {
+ $to_ucs{$i} = $u;
+ }
+}
+
+if ($name eq "gbk") {
+ %from_ucs0 = %from_ucs;
+ next;
+}
+
+$p = 0;
+for $ub (0x81 .. 0xFE) {
+ for $lb (0x40 .. 0x7E, 0x80 .. 0xFE) {
+ $i = ($ub << 8) + $lb;
+ if ($u = $to_ucs{$i}) {
+ if ($u != $ou + 1) {
+ if ($p) {
+ $ucs2_end{$su} = $ou;
+ $gbk_end{$s} = $og;
+ }
+ $p = 0;
+ }
+ if (! $p) {
+ $to_ucs2{$i} = $u;
+ $from_ucs2{$u} = $i;
+ $s = $i;
+ $su = $u;
+ }
+ $p = 1;
+ $ou = $u;
+ } else {
+ if ($p) {
+ $ucs2_end{$su} = $ou;
+ $gbk_end{$s} = $og;
+ }
+ $p = 0;
+ }
+ $og = $i;
+ }
+}
+if ($p) {
+ $ucs2_end{$su} = $ou;
+ $gbk_end{$s} = 0xFEFE;
+}
+
+%from_ucs4 = ();
+$i = 0;
+$p = 0;
+for $u (0x0080 .. 0xD7FF, 0xE000 .. 0xFFFF) {
+ if (! $from_ucs{$u}) {
+ if (! $p) {
+ $from_ucs4{$u} = $i;
+ $s = $u;
+ }
+ $i++;
+ $p = 1;
+ } else {
+ if ($p) {
+ $ucs4_end{$s} = $u - 1;
+ }
+ $p = 0;
+ }
+ if ($u == 0xD7FF) {
+ if ($p) {
+ $ucs4_end{$s} = $u - 1;
+ }
+ $p = 0;
+ }
+}
+if ($p) {
+ $ucs4_end{$s} = 0xFFFF;
+}
+
+open(OUT, "> ${name}_ucs.map");
+
+# print OUT <<EOF;
+# /*
+# These conversion tables between $code and
+# Unicode were made from
+#
+# ftp://ftp.unicode.org/Public/MAPPINGS/$map.
+# */
+print OUT <<EOF;
+/* $code */
+EOF
+
+@ucs = sort { $a <=> $b } keys %to_ucs2;
+$nucs = @ucs + 0;
+
+print OUT <<EOF;
+
+#define N_gbk_ext_ucs_map $nucs
+
+wc_map3 gbk_ext_ucs_map[ N_gbk_ext_ucs_map ] = {
+EOF
+for(@ucs) {
+ printf OUT " { 0x%.4X, 0x%.4X, 0x%.4X },\n", $_, $gbk_end{$_}, $to_ucs2{$_};
+}
+
+print OUT <<EOF;
+};
+EOF
+
+@ucs = sort { $a <=> $b } keys %from_ucs2;
+$nucs = @ucs + 0;
+
+print OUT <<EOF;
+
+#define N_ucs_gbk_ext_map $nucs
+
+static wc_map3 ucs_gbk_ext_map[ N_ucs_gbk_ext_map ] = {
+EOF
+for(@ucs) {
+ printf OUT " { 0x%.4X, 0x%.4X, 0x%.4X },\n", $_, $ucs2_end{$_}, $from_ucs2{$_};
+}
+
+print OUT <<EOF;
+};
+EOF
+
+@ucs = sort { $a <=> $b } keys %from_ucs4;
+$nucs = @ucs + 0;
+
+print OUT <<EOF;
+
+#define N_ucs_${name}_map $nucs
+
+static wc_map3 ucs_${name}_map[ N_ucs_${name}_map ] = {
+EOF
+for(@ucs) {
+ printf OUT " { 0x%.4X, 0x%.4X, 0x%.4X },\n", $_, $ucs4_end{$_}, $from_ucs4{$_};
+}
+
+print OUT <<EOF;
+};
+EOF
+
+close(MAP);
+}
+
+__END__
+gbk VENDORS/MICSFT/WINDOWS/CP936.TXT GBK (Chinese)
+gb18030 GBK.TXT GB18030 (Chinese)