Function GCStringDup

src/String.cpp:334–437

template<typename T>
static const char *GCStringDup(const T *inStr,int inLen, int *outLen=0)
{
   if (inStr==0 && inLen<=0)
   {
      if (outLen)
         outLen = 0;
      return String::emptyString.raw_ptr();
   }

   int len = inLen;
   bool allAscii = true;
   if (len==-1)
   {
      len=0;
      while(inStr[len])
      {
         if (sizeof(T)>1 && allAscii)
            allAscii = inStr[len] <= 127;
         len++;
      }
   }
   else if (sizeof(T)>1)
   {
      for(int i=0;i<inLen;i++)
         if (inStr[i]>127)
         {
            allAscii = false;
            break;
         }
   }

   if (outLen)
      *outLen = len;

   if (len==1)
      return String::fromCharCode(inStr[0]).raw_ptr();

   #ifdef HXCPP_COMBINE_STRINGS
   bool ident = len<20 && sIsIdent[inStr[0]] && (inStr[0]<'0' || inStr[0]>'9');
   if (ident && len>3)
      for(int p=1; p<len;p++)
         if (!sIsIdent[ inStr[p] ])
         {
            ident = false;
            break;
         }

   if (ident)
   {
      hx::StackContext *ctx = hx::StackContext::getCurrent();
      if (!ctx->stringSet)
         ctx->stringSet = new WeakStringSet();

      unsigned int hash = 0;
      for(int i=0;i<len;i++)
         hash = hash*223 + ((unsigned char *)inStr)[i];

      struct Finder