Fixes to #grid show. Added new string utilities.

common/string_util.cpp

@@ -527,3 +527,51 @@ bool isAlphaNumeric(const char *text)
 
 	return true;
 }
+
+// Function to convert single digit or two digit number into words
+std::string convert2digit(int n, std::string suffix)
+{
+	// if n is zero
+	if (n == 0) {
+		return "";
+	}
+
+	// split n if it is more than 19
+	if (n > 19) {
+		return NUM_TO_ENGLISH_Y[n / 10] + NUM_TO_ENGLISH_X[n % 10] + suffix;
+	}
+	else {
+		return NUM_TO_ENGLISH_X[n] + suffix;
+	}
+}
+
+// Function to convert a given number (max 9-digits) into words
+std::string numberToWords(unsigned long long int n)
+{
+	// string to store word representation of given number
+	std::string res;
+
+	// this handles digits at ones & tens place
+	res = convert2digit((n % 100), "");
+
+	if (n > 100 && n % 100) {
+		res = "and " + res;
+	}
+
+	// this handles digit at hundreds place
+	res = convert2digit(((n / 100) % 10), "Hundred ") + res;
+
+	// this handles digits at thousands & tens thousands place
+	res = convert2digit(((n / 1000) % 100), "Thousand ") + res;
+
+	// this handles digits at hundred thousands & one millions place
+	res = convert2digit(((n / 100000) % 100), "Lakh, ") + res;
+
+	// this handles digits at ten millions & hundred millions place
+	res = convert2digit((n / 10000000) % 100, "Crore, ") + res;
+
+	// this handles digits at ten millions & hundred millions place
+	res = convert2digit((n / 1000000000) % 100, "Billion, ") + res;
+
+	return res;
+}

common/string_util.h

@@ -43,6 +43,20 @@ std::vector<std::string> split(std::string str_to_split, char delimiter);
 const std::string StringFormat(const char* format, ...);
 const std::string vStringFormat(const char* format, va_list args);
 std::string implode(std::string glue, std::vector<std::string> src);
+std::string convert2digit(int n, std::string suffix);
+std::string numberToWords(unsigned long long int n);
+
+// For converstion of numerics into English
+// Used for grid nodes, as NPC names remove numerals.
+// But general purpose
+
+const std::string NUM_TO_ENGLISH_X[] = { "", "One ", "Two ", "Three ", "Four ",
+				"Five ", "Six ", "Seven ", "Eight ", "Nine ", "Ten ", "Eleven ",
+				"Twelve ", "Thirteen ", "Fourteen ", "Fifteen ",
+				"Sixteen ", "Seventeen ", "Eighteen ", "Nineteen " };
+
+const std::string NUM_TO_ENGLISH_Y[] = { "", "", "Twenty ", "Thirty ", "Forty ",
+				"Fifty ", "Sixty ", "Seventy ", "Eighty ", "Ninety " };
 
 /**
  * @param str
@@ -189,5 +203,8 @@ uint32 hextoi(const char* num);
 uint64 hextoi64(const char* num);
 void MakeLowerString(const char *source, char *target);
 void RemoveApostrophes(std::string &s);
+std::string convert2digit(int n, std::string suffix);
+std::string numberToWords(unsigned long long int n);
+
 
 #endif