1 files changed, 37 insertions, 0 deletions
diff --git a/src/util.cpp b/src/util.cpp
index 4174d42..75e82f0 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -7461,3 +7461,40 @@ std::string join(const StringVector &sv,const std::string &delimiter)
   return result;
 }
 
+QCString integerToAlpha(int n, bool upper)
+{
+  QCString result;
+  int residual = n;
+
+  char modVal[2];
+  modVal[1] = 0;
+  while (residual > 0)
+  {
+    modVal[0] = (upper ? 'A': 'a') + (residual-1)%26;
+    result = modVal + result;
+    residual = (residual-1) / 26;
+  }
+  return result;
+}
+
+QCString integerToRoman(int n, bool upper)
+{
+  static const char *str_romans_upper[] = {  "M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I" };
+  static const char *str_romans_lower[] = {  "m", "cm", "d", "cd", "c", "xc", "l", "xl", "x", "ix", "v", "iv", "i" };
+  static const int values[]             = { 1000,  900, 500,  400, 100,   90,  50,   40,  10,    9,   5,    4,   1 };
+  static const char **str_romans = upper ? str_romans_upper : str_romans_lower;
+
+  QCString result;
+  int residual = n;
+
+  for (int i = 0; i < 13; ++i)
+  {
+    while (residual - values[i] >= 0)
+    {
+      result += str_romans[i];
+      residual -= values[i];
+    }
+  }
+
+  return result;
+}