src/utils/StreamTokenizer.cpp

//: C07:StreamTokenizer.cpp {O}
// From "Thinking in C++, 2nd Edition, Volume 2"
// by Bruce Eckel & Chuck Allison, (c) 2001 MindView, Inc.
// Available at www.BruceEckel.com.
//{-g++295} 

#include "utils/StreamTokenizer.hpp"
using namespace std;

string StreamTokenizer::next() {
  string result;
  if(p != end) {
    insert_iterator<string>
      ii(result, result.begin());
    while(isDelimiter(*p) && p != end)
      p++;

    // There is a bug here, if p is equal to end at this point, dereference it is a undefine behavior
    //while (!isDelimiter(*p) && p != end)
    while (p != end && !isDelimiter(*p))
      *ii++ = *p++;
  }
  return result;
} ///:~
Revision:	1737
Committed:	Fri Nov 12 22:44:03 2004 UTC (19 years, 7 months ago) by tim
File size:	664 byte(s)
Log Message:	bug fix in hasMoreTokens
#	User	Rev	Content
1	gezelter	1490	//: C07:StreamTokenizer.cpp {O}
2			// From "Thinking in C++, 2nd Edition, Volume 2"
3			// by Bruce Eckel & Chuck Allison, (c) 2001 MindView, Inc.
4			// Available at www.BruceEckel.com.
5			//{-g++295}
6
7	tim	1492	#include "utils/StreamTokenizer.hpp"
8	gezelter	1490	using namespace std;
9
10			string StreamTokenizer::next() {
11			string result;
12			if(p != end) {
13			insert_iterator<string>
14			ii(result, result.begin());
15			while(isDelimiter(*p) && p != end)
16			p++;
17	tim	1737
18			// There is a bug here, if p is equal to end at this point, dereference it is a undefine behavior
19			//while (!isDelimiter(*p) && p != end)
20			while (p != end && !isDelimiter(*p))
21	gezelter	1490	ii++ = p++;
22			}
23			return result;
24			} ///:~