merge m17n patch

add libwc

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)