X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fmisc.c;h=54e5bfd16b4822d7f682f3755aa6aac8e4952a66;hb=110edc5fe9017a947274eb64af47ebb52a12d92f;hp=2692e69c6b3274b6ad957187b9d30ac95fdd69b9;hpb=5e195517fdcbad3043eff72d91399f6a5e604d8b;p=rocksndiamonds.git

diff --git a/src/libgame/misc.c b/src/libgame/misc.c
index 2692e69c..54e5bfd1 100644
--- a/src/libgame/misc.c
+++ b/src/libgame/misc.c
@@ -1298,6 +1298,14 @@ boolean strSuffixLower(char *s, char *suffix)
   return match;
 }
 
+boolean isURL(char *s)
+{
+  while (*s && *s >= 'a' && *s <= 'z')
+    s++;
+
+  return strPrefix(s, "://");
+}
+
 
 // ----------------------------------------------------------------------------
 // command line option handling functions
@@ -1946,6 +1954,64 @@ char *getLatin1FromUTF8(char *utf8)
   return latin1;
 }
 
+int getTextEncoding(char *text)
+{
+  unsigned char *src = (unsigned char *)text;
+  int encoding = TEXT_ENCODING_ASCII;	// default: assume encoding is ASCII
+
+  while (*src)
+  {
+    if (*src >= 128)
+      encoding = TEXT_ENCODING_UTF_8;	// non-ASCII character: assume UTF-8
+
+    if (*src < 128)
+    {
+      src++;
+    }
+    else if (src[0] >= 192 && src[0] < 224 &&
+	     src[1] >= 128 && src[1] < 192)
+    {
+      src += 2;
+    }
+    else if (src[0] >= 224 && src[0] < 240 &&
+	     src[1] >= 128 && src[1] < 192 &&
+	     src[2] >= 128 && src[2] < 192)
+    {
+      src += 3;
+    }
+    else if (src[0] >= 240 && src[0] < 248 &&
+	     src[1] >= 128 && src[1] < 192 &&
+	     src[2] >= 128 && src[2] < 192 &&
+	     src[3] >= 128 && src[3] < 192)
+    {
+      src += 4;
+    }
+    else if (src[0] >= 248 && src[0] < 252 &&
+	     src[1] >= 128 && src[1] < 192 &&
+	     src[2] >= 128 && src[2] < 192 &&
+	     src[3] >= 128 && src[3] < 192 &&
+	     src[4] >= 128 && src[4] < 192)
+    {
+      src += 5;
+    }
+    else if (src[0] >= 252 && src[0] < 254 &&
+	     src[1] >= 128 && src[1] < 192 &&
+	     src[2] >= 128 && src[2] < 192 &&
+	     src[3] >= 128 && src[3] < 192 &&
+	     src[4] >= 128 && src[4] < 192 &&
+	     src[5] >= 128 && src[5] < 192)
+    {
+      src += 6;
+    }
+    else
+    {
+      return TEXT_ENCODING_UNKNOWN;	// non-UTF-8 character: unknown encoding
+    }
+  }
+
+  return encoding;
+}
+
 
 // ----------------------------------------------------------------------------
 // functions for JSON handling
@@ -2427,47 +2493,23 @@ char getValidConfigValueChar(char c)
 
 int get_integer_from_string(char *s)
 {
-  static char *number_text[][3] =
-  {
-    { "0",	"zero",		"null",		},
-    { "1",	"one",		"first"		},
-    { "2",	"two",		"second"	},
-    { "3",	"three",	"third"		},
-    { "4",	"four",		"fourth"	},
-    { "5",	"five",		"fifth"		},
-    { "6",	"six",		"sixth"		},
-    { "7",	"seven",	"seventh"	},
-    { "8",	"eight",	"eighth"	},
-    { "9",	"nine",		"ninth"		},
-    { "10",	"ten",		"tenth"		},
-    { "11",	"eleven",	"eleventh"	},
-    { "12",	"twelve",	"twelfth"	},
-
-    { NULL,	NULL,		NULL		},
-  };
+  // check for the most common case first
+  if (s[0] >= '0' && s[0] <= '9')
+    return atoi(s);
 
-  int i, j;
   char *s_lower = getStringToLower(s);
   int result = -1;
 
-  for (i = 0; number_text[i][0] != NULL; i++)
-    for (j = 0; j < 3; j++)
-      if (strEqual(s_lower, number_text[i][j]))
-	result = i;
-
-  if (result == -1)
-  {
-    if (strEqual(s_lower, "false") ||
-	strEqual(s_lower, "no") ||
-	strEqual(s_lower, "off"))
-      result = 0;
-    else if (strEqual(s_lower, "true") ||
-	     strEqual(s_lower, "yes") ||
-	     strEqual(s_lower, "on"))
-      result = 1;
-    else
-      result = atoi(s);
-  }
+  if (strEqual(s_lower, "false") ||
+      strEqual(s_lower, "no") ||
+      strEqual(s_lower, "off"))
+    result = 0;
+  else if (strEqual(s_lower, "true") ||
+	   strEqual(s_lower, "yes") ||
+	   strEqual(s_lower, "on"))
+    result = 1;
+  else
+    result = atoi(s);
 
   free(s_lower);