X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=steam.h;h=4f98dd9334be4f6a97fceafa76c21f05c6b5215f;hb=56f320d8ce6e8997370ec8e02fe50ca2d07b67f0;hp=5d768b88c88ffd84b09581bd73b7026b4c6552b4;hpb=75703291fbf045008a3b1ebb20fc46a2617b6b3b;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/steam.h b/steam.h
index 5d768b8..4f98dd9 100644
--- a/steam.h
+++ b/steam.h
@@ -180,6 +180,65 @@ VG_STATIC void steam_on_recieve_current_stats( CallbackMsg_t *msg )
 
 VG_STATIC ISteamInput *steam_hInput;
 
+VG_STATIC u32 utf8_byte0_byte_count( u8 char0 )
+{
+   for( u32 k=2; k<4; k++ )
+   {
+      if( !(char0 & (0x80 >> k)) )
+         return k;
+   }
+
+   return 0;
+}
+
+VG_STATIC void str_utf8_collapse( const char *str, char *buf, u32 length )
+{
+   u8 *ustr = (u8 *)str;
+   u32 utf32_code = 0x00000000;
+   u32 i=0, j=0, utf32_byte_ct=0;
+
+   for(;i < length-1;)
+   {
+      if( ustr[i] == 0x00 )
+         break;
+      
+      if( ustr[i] & 0x80 )
+      {
+         if( utf32_byte_ct )
+         {
+            utf32_byte_ct --;
+            utf32_code |= (ustr[i] & 0x3F) << (utf32_byte_ct*6);
+
+            if( !utf32_byte_ct )
+            {
+               const char *match;
+               size_t chars = anyascii( utf32_code, &match );
+
+               for( u32 k=0; k<VG_MIN(chars, length-1-j); k++ )
+               {
+                  buf[ j++ ] = (u8)match[k];
+               }
+            }
+         }
+         else
+         {
+            utf32_byte_ct = utf8_byte0_byte_count( ustr[i] )-1;
+            utf32_code = ustr[i] & (0x3F >> utf32_byte_ct);
+            utf32_code <<= utf32_byte_ct*6;
+         }
+      }
+      else
+      {
+         utf32_byte_ct = 0x00;
+         buf[j ++] = str[i];
+      }
+
+      i++;
+   }
+
+   buf[j] = 0x00;
+}
+
 VG_STATIC int steam_init(void)
 {
    const char *username = NULL;