maint: update copyright

[gnulib.git] / lib / uninorm / composition.c

diff --git a/lib/uninorm/composition.c b/lib/uninorm/composition.c
index e1068da..ce35d06 100644 (file)
--- a/lib/uninorm/composition.c
+++ b/lib/uninorm/composition.c
@@ -1,5 +1,5 @@
 /* Canonical composition of Unicode characters.
-   Copyright (C) 2002, 2006, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009, 2011-2014 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This program is free software: you can redistribute it and/or modify it
@@ -22,64 +22,66 @@
 
 #include <string.h>
 
-struct composition_rule { char codes[4]; unsigned short combined; };
+struct composition_rule { char codes[6]; unsigned int combined; };
 
-#include "uninorm/composition-table.h"
+#include "composition-table.h"
 
 ucs4_t
 uc_composition (ucs4_t uc1, ucs4_t uc2)
 {
-  if (uc1 < 0x10000 && uc2 < 0x10000)
+  if (uc1 < 0x12000 && uc2 < 0x12000)
     {
       if (uc2 >= 0x1161 && uc2 < 0x1161 + 21
-         && uc1 >= 0x1100 && uc1 < 0x1100 + 19)
-       {
-         /* Hangul: Combine single letter L and single letter V to form
-            two-letter syllable LV.  */
-         return 0xAC00 + ((uc1 - 0x1100) * 21 + (uc2 - 0x1161)) * 28;
-       }
+          && uc1 >= 0x1100 && uc1 < 0x1100 + 19)
+        {
+          /* Hangul: Combine single letter L and single letter V to form
+             two-letter syllable LV.  */
+          return 0xAC00 + ((uc1 - 0x1100) * 21 + (uc2 - 0x1161)) * 28;
+        }
       else if (uc2 > 0x11A7 && uc2 < 0x11A7 + 28
-              && uc1 >= 0xAC00 && uc1 < 0xD7A4 && ((uc1 - 0xAC00) % 28) == 0)
-       {
-         /* Hangul: Combine two-letter syllable LV with single-letter T
-            to form three-letter syllable LVT.  */
-         return uc1 + (uc2 - 0x11A7);
-       }
+               && uc1 >= 0xAC00 && uc1 < 0xD7A4 && ((uc1 - 0xAC00) % 28) == 0)
+        {
+          /* Hangul: Combine two-letter syllable LV with single-letter T
+             to form three-letter syllable LVT.  */
+          return uc1 + (uc2 - 0x11A7);
+        }
       else
-       {
+        {
 #if 0
-         unsigned int uc = MUL1 * uc1 * MUL2 * uc2;
-         unsigned int index1 = uc >> composition_header_0;
-         if (index1 < composition_header_1)
-           {
-             int lookup1 = u_composition.level1[index1];
-             if (lookup1 >= 0)
-               {
-                 unsigned int index2 = (uc >> composition_header_2) & composition_header_3;
-                 int lookup2 = u_composition.level2[lookup1 + index2];
-                 if (lookup2 >= 0)
-                   {
-                     unsigned int index3 = (uc & composition_header_4);
-                     unsigned int lookup3 = u_composition.level3[lookup2 + index3];
-                     if ((lookup3 >> 16) == uc2)
-                       return lookup3 & ((1U << 16) - 1);
-                   }
-               }
-           }
+          unsigned int uc = MUL1 * uc1 * MUL2 * uc2;
+          unsigned int index1 = uc >> composition_header_0;
+          if (index1 < composition_header_1)
+            {
+              int lookup1 = u_composition.level1[index1];
+              if (lookup1 >= 0)
+                {
+                  unsigned int index2 = (uc >> composition_header_2) & composition_header_3;
+                  int lookup2 = u_composition.level2[lookup1 + index2];
+                  if (lookup2 >= 0)
+                    {
+                      unsigned int index3 = (uc & composition_header_4);
+                      unsigned int lookup3 = u_composition.level3[lookup2 + index3];
+                      if ((lookup3 >> 16) == uc2)
+                        return lookup3 & ((1U << 16) - 1);
+                    }
+                }
+            }
 #else
-         char codes[4];
-         const struct composition_rule *rule;
+          char codes[6];
+          const struct composition_rule *rule;
 
-         codes[0] = (uc1 >> 8) & 0xff;
-         codes[1] = uc1 & 0xff;
-         codes[2] = (uc2 >> 8) & 0xff;
-         codes[3] = uc2 & 0xff;
+          codes[0] = (uc1 >> 16) & 0xff;
+          codes[1] = (uc1 >> 8) & 0xff;
+          codes[2] = uc1 & 0xff;
+          codes[3] = (uc2 >> 16) & 0xff;
+          codes[4] = (uc2 >> 8) & 0xff;
+          codes[5] = uc2 & 0xff;
 
-         rule = gl_uninorm_compose_lookup (codes, 4);
-         if (rule != NULL)
-           return rule->combined;
+          rule = gl_uninorm_compose_lookup (codes, 6);
+          if (rule != NULL)
+            return rule->combined;
 #endif
-       }
+        }
     }
   return 0;
 }