[os2] Minor rename/shuffle

src/gen-unicode-ranges.py → src/gen-os2-unicode-ranges.py

@@ -13,7 +13,7 @@ import sys
 reload(sys)
 sys.setdefaultencoding('utf-8')
 
-print ("""static Range os2UnicodeRangesSorted[] =
+print ("""static OS2Range _hb_os2_unicode_ranges[] =
 {""")
 
 args = sys.argv[1:]

src/hb-ot-os2-unicode-ranges.hh

@@ -31,14 +31,29 @@
 
 namespace OT {
 
-struct Range {
+struct OS2Range
+{
+  static int
+  cmp (const void *_key, const void *_item, void *_arg)
+  {
+    hb_codepoint_t cp = *((hb_codepoint_t *) _key);
+    const OS2Range *range = (OS2Range *) _item;
+
+    if (cp < range->start)
+      return -1;
+    else if (cp <= range->end)
+      return 0;
+    else
+      return 1;
+  }
+
   hb_codepoint_t start;
   hb_codepoint_t end;
   unsigned int bit;
 };
 
-/* Note: The contents of this array was generated using src/gen-unicode-ranges.py. */
-static Range os2UnicodeRangesSorted[] =
+/* Note: The contents of this array was generated using gen-os2-unicode-ranges.py. */
+static OS2Range _hb_os2_unicode_ranges[] =
 {
   {     0x0,     0x7F,   0}, // Basic Latin
   {    0x80,     0xFF,   1}, // Latin-1 Supplement
@@ -211,31 +226,17 @@ static Range os2UnicodeRangesSorted[] =
   {0x100000, 0x10FFFD,  90}, // Private Use (plane 16)
 };
 
-static int
-_compare_range (const void *_key, const void *_item, void *_arg)
-{
-  hb_codepoint_t cp = *((hb_codepoint_t *) _key);
-  const Range *range = (Range *) _item;
-
-  if (cp < range->start)
-    return -1;
-  else if (cp <= range->end)
-    return 0;
-  else
-    return 1;
-}
-
 /**
  * hb_get_unicode_range_bit:
- * Returns the bit to be set in os/2 ulUnicodeRange for a given codepoint.
+ * Returns the bit to be set in os/2 ulUnicodeOS2Range for a given codepoint.
  **/
 static unsigned int
 hb_get_unicode_range_bit (hb_codepoint_t cp)
 {
-  Range *range = (Range*) hb_bsearch_r (&cp, os2UnicodeRangesSorted,
-                                        sizeof (os2UnicodeRangesSorted) / sizeof(Range),
-                                        sizeof(Range),
-                                        _compare_range, nullptr);
+  OS2Range *range = (OS2Range*) hb_bsearch_r (&cp, _hb_os2_unicode_ranges,
+					      ARRAY_LENGTH (_hb_os2_unicode_ranges),
+					      sizeof (OS2Range),
+					      OS2Range::cmp, nullptr);
   if (range != nullptr)
     return range->bit;
   return -1;