Check in the pristine copy of ICU 4.6...

icu46/source/test/intltest/sfwdchit.h

+/********************************************************************
+ * COPYRIGHT: 
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
+ * others. All Rights Reserved.
+ ********************************************************************/
+
+#ifndef SFDWCHIT_H
+#define SFDWCHIT_H
+
+#include "unicode/chariter.h"
+#include "intltest.h"
+
+class SimpleFwdCharIterator : public ForwardCharacterIterator {
+public:
+    // not used -- SimpleFwdCharIterator(const UnicodeString& s);
+    SimpleFwdCharIterator(UChar *s, int32_t len, UBool adopt = FALSE);
+
+    virtual ~SimpleFwdCharIterator();
+
+  /**
+   * Returns true when both iterators refer to the same
+   * character in the same character-storage object.  
+   */
+  // not used -- virtual UBool operator==(const ForwardCharacterIterator& that) const;
+        
+  /**
+   * Generates a hash code for this iterator.  
+   */
+  virtual int32_t hashCode(void) const;
+        
+  /**
+   * Returns a UClassID for this ForwardCharacterIterator ("poor man's
+   * RTTI").<P> Despite the fact that this function is public,
+   * DO NOT CONSIDER IT PART OF CHARACTERITERATOR'S API!  
+   */
+  virtual UClassID getDynamicClassID(void) const;
+
+  /**
+   * Gets the current code unit for returning and advances to the next code unit
+   * in the iteration range
+   * (toward endIndex()).  If there are
+   * no more code units to return, returns DONE.
+   */
+  virtual UChar         nextPostInc(void);
+        
+  /**
+   * Gets the current code point for returning and advances to the next code point
+   * in the iteration range
+   * (toward endIndex()).  If there are
+   * no more code points to return, returns DONE.
+   */
+  virtual UChar32       next32PostInc(void);
+        
+  /**
+   * Returns FALSE if there are no more code units or code points
+   * at or after the current position in the iteration range.
+   * This is used with nextPostInc() or next32PostInc() in forward
+   * iteration.
+   */
+  virtual UBool        hasNext();
+
+protected:
+    SimpleFwdCharIterator() {}
+    SimpleFwdCharIterator(const SimpleFwdCharIterator &other)
+        : ForwardCharacterIterator(other) {}
+    SimpleFwdCharIterator &operator=(const SimpleFwdCharIterator&) { return *this; }
+private:
+    static const int32_t            kInvalidHashCode;
+    static const int32_t            kEmptyHashCode;
+
+    UChar *fStart, *fEnd, *fCurrent;
+    int32_t fLen;
+    UBool fBogus;
+    int32_t fHashCode;
+};
+
+#endif