Integration of OCCT 6.5.0 from SVN

src/Standard/Standard_ExtString.cxx

@@ -0,0 +1,107 @@
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#define OptJr 1
+
+#include <Standard_ExtString.hxx>
+#include <Standard_Type.hxx> 
+#include <Standard_String.hxx>
+#ifndef _Standard_OStream_HeaderFile
+#include <Standard_OStream.hxx>
+#endif
+
+//============================================================================
+//==== ShallowDump : Writes a ExtString value.
+//============================================================================
+Standard_EXPORT void ShallowDump (const Standard_ExtString Value, Standard_OStream& s)
+{  
+   s << hex << Value << " Standard_ExtString " << endl; 
+}
+
+Handle_Standard_Type& Standard_ExtString_Type_() 
+{
+  static Handle_Standard_Type _aType = 
+    new Standard_Type("Standard_ExtString",sizeof(Standard_ExtString),0,NULL);
+  
+  return _aType;
+}
+
+Standard_Integer HashCode (const Standard_ExtString Value, 
+			   const Standard_Integer Upper)
+{
+  Standard_Integer   aHashCode ;
+  Standard_Integer   i = 0 ;
+
+#if OptJr
+  Standard_ExtString aValue ;
+
+//  cout << "HashCode " << hex << Value << dec << endl ;
+
+  if ((ptrdiff_t(Value) & 3 ) == 2) {
+    aHashCode = Value[ 0 ] ;
+#if defined(WNT) || defined(DECOSF1) || defined(LININTEL) || defined(__FreeBSD__)
+    aHashCode = aHashCode << 16 ;
+#endif
+    aValue = &Value[1] ;
+  }
+  else {
+    aHashCode = 0 ;
+    aValue = Value ;
+  }
+
+  while ( ExtStringTestOfZero(((Standard_Integer *) aValue ) [ i ] ) ) {
+//       cout << i << " " << hex << aHashCode << " " << ((Standard_Integer *) aValue )[i]
+//            << dec << endl ;
+       aHashCode = aHashCode ^ ((Standard_Integer *) aValue ) [ i++ ] ;
+     }
+  while ( aValue[ i << 1 ] != 0 && aValue[( i << 1 ) + 1 ] != 0 ) {
+//       cout << i << " " << hex << aHashCode << " " << ((Standard_Integer *) aValue )[i]
+//            << dec << endl ;
+       aHashCode = aHashCode ^ ((Standard_Integer *) aValue ) [ i++ ] ;
+  }
+  if ( aValue[ i << 1 ] != 0 ) {
+//	cout << i << " " << hex << aHashCode << dec << endl ;
+    aHashCode = aHashCode ^ ((Standard_Integer *) aValue ) [ i ] ;
+  }
+  if ((ptrdiff_t(Value ) & 3) == 2) {
+//	cout << hex << aHashCode << dec << endl ;
+    aHashCode = (( aHashCode >> 16 ) & 0x0000ffff ) |
+                (( aHashCode << 16 ) & 0xffff0000 ) ;
+  }
+//  cout << i << " " << hex << aHashCode << dec << endl ;
+
+#else  
+  char*              charPtr   = (char *)Value;
+  Standard_Integer   pos       = 0,
+                     count,
+                     *tmphash,
+                     isend     = 0;
+  char               tabchar[20];
+
+  aHashCode = 0 ;
+  if (Value != NULL) {
+     while(charPtr[i] != 0 || charPtr[i + 1] != 0) {
+
+       for (count = 0,pos = i; count < sizeof(Standard_Integer); count += 2) {
+
+	 if (charPtr[pos + count] == 0 && charPtr[pos + count + 1] == 0 || isend == 1) {
+             isend = 1;
+             tabchar[count]     = '\0';
+	     tabchar[count + 1] = '\0';
+         }
+         else {
+            tabchar[count] = charPtr[pos + count];
+	    tabchar[count + 1] = charPtr[pos + count + 1];
+         }
+        i += 2;
+       }
+       tmphash = (Standard_Integer *)tabchar;   
+       aHashCode = aHashCode ^ *tmphash;
+     }
+  }
+#endif
+
+  aHashCode = HashCode(aHashCode , Upper) ;
+  return aHashCode ;
+}