1 files changed, 47 insertions, 0 deletions
diff --git a/libwc/ambwidth_map.awk b/libwc/ambwidth_map.awk
new file mode 100644
index 0000000..8544f58
--- /dev/null
+++ b/libwc/ambwidth_map.awk
@@ -0,0 +1,47 @@
+BEGIN {
+    FS = "[; ]";
+    i = 0;
+}
+$2 == "A" { 
+    code = sprintf("0x%s", $1);
+    if (strtonum(code) < 0x10000) {
+	map[i] = code
+	i++;
+    }
+}
+END {
+    n = 0;
+    start = map[0]
+    prev = strtonum(map[0]);
+    for (j = 1; j < i; j++) {
+	cur = strtonum(map[j]);
+	if (match(map[j], "[.]+")) {
+	    map2[n] = sprintf("%s, %s", start, map[j - 1]);
+	    n++;
+	    gsub("[.]+", ", 0x", map[j])
+	    map2[n] = map[j];
+	    n++;
+	    start = map[j + 1];
+	    cur = strtonum(start);
+	} else {
+	    if (cur - prev > 2) {
+		map2[n] = sprintf("%s, %s", start, map[j - 1]);
+		start = map[j];
+		n++;
+	    }
+
+	    if (j == i - 1) {
+		map2[n] = sprintf("%s, %s", start, map[j]);
+		n++;
+	    }
+	}
+	prev = cur;
+    }
+
+    printf("static wc_map ucs_ambwidth_map[] = {\n");
+    for (j = 0; j < n; j++) {
+	printf("   { %s },\n", map2[j]);
+    }
+    printf("};\n");
+    printf("#define N_ucs_ambwidth_map (sizeof(ucs_ambwidth_map) / sizeof(*ucs_ambwidth_map))\n");
+}