Merge pull request #1532 from GarageGames/pr/1143

[CLONE] More consolefunctions #1143

Engine/source/core/strings/stringFunctions.h

@@ -152,11 +152,20 @@ inline U32 dAtoui(const char *str, U32 base = 10)
    return strtoul(str, NULL, base);
 }
 
+inline U16 dAtous(const char *str, U32 base = 10)
+{
+   return strtoul(str, NULL, base);
+}
+
 inline F32 dAtof(const char *str)
 {
    return strtof(str, NULL);
 }
 
+inline F64 dAtod(const char *str)
+{
+   return strtod(str, NULL);
+}
 
 inline char dToupper(const char c)
 {

Engine/source/core/util/str.cpp

@@ -1628,3 +1628,103 @@ String String::GetTrailingNumber(const char* str, S32& number)
 
    return base.substr(0, p - base.c_str());
 }
+
+String String::GetFirstNumber(const char* str, U32& startPos, U32& endPos)
+{
+   // Check for trivial strings
+   if (!str || !str[0])
+      return String::EmptyString;
+
+   // Find the number at the end of the string
+   String base(str);
+   const char* p = base.c_str();
+   const char* end = base.c_str() + base.length() - 1;
+   bool dec = false;
+   startPos = 0;
+
+   //Check if we are just a digit
+   if(p == end && isdigit(*p))
+      return base;
+
+   //Look for the first digit
+   while ((p != end) && (dIsspace(*p) || !isdigit(*p)))
+   {
+      p++;
+      startPos++;
+   }
+
+   //Handle if we are at the end and found nothing
+   if(p == end && !isdigit(*p))
+      return "";
+
+   //update our end position at least to the start of our number
+   endPos = startPos;
+
+   //Backup our ptr
+   const char* backup = p;
+
+   //Check for any negative or decimal values
+   if(startPos > 0)
+   {
+      p--;
+      startPos--;
+      if(*p == '.')
+      {
+         dec = true;
+
+         //ignore any duplicate periods
+         while ((p != base.c_str()) && (*p == '.'))
+         {
+            p--;
+            startPos--;
+         }
+
+         //Found a decimal lets still check for negative sign
+         if(startPos > 0)
+         {
+            p--;
+            startPos--;
+            if((*p != '-') && (*p != '_'))
+            {
+               startPos++;
+               p++;
+            }
+         }
+      }
+      else if((*p != '-') && (*p != '_'))
+      {
+         //go back to where we where cause no decimal or negative sign found
+         startPos++;
+         p++;
+      }
+   }
+
+   //Restore where we were
+   p = backup;
+
+   //look for the end of the digits
+   bool justFoundDec = false;
+   while (p != end)
+   {
+      if(*p == '.')
+      {
+         if(dec && !justFoundDec)
+            break;
+         else
+         {
+            dec = true;
+            justFoundDec = true;
+         }
+      }
+      else if(!isdigit(*p))
+         break;
+      else if(justFoundDec)
+         justFoundDec = false;
+
+      p++;
+      endPos++;
+   }
+
+   U32 len = (!isdigit(*p)) ? endPos - startPos : (endPos + 1) - startPos;
+   return base.substr(startPos, len);
+}

Engine/source/core/util/str.h

@@ -191,6 +191,7 @@ public:
    static String ToUpper(const String &string);
 
    static String GetTrailingNumber(const char* str, S32& number);
+   static String GetFirstNumber(const char* str, U32& startPos, U32& endPos);
 
    /// @}