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root/group/trunk/OOPSE-4/src/io/basic_teebuf.hpp
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Comparing trunk/OOPSE-4/src/io/basic_teebuf.hpp (file contents):
Revision 2060 by tim, Thu Feb 24 20:55:07 2005 UTC vs.
Revision 2204 by gezelter, Fri Apr 15 22:04:00 2005 UTC

# Line 1 | Line 1
1 < /*
1 > /*
2   * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3   *
4   * The University of Notre Dame grants you ("Licensee") a
# Line 45 | Line 45 | namespace oopse {
45   #include <vector>
46   namespace oopse {
47  
48 < /**
49 < * @class basic_teebuf basic_teebuf.hpp "utils/basic_teebuf.hpp"
50 < * @brief As a subclass of basic_streambuf,  basic_teebuf can operate on multiple stream simultaneously.
51 < * @code
52 < *    std::ofstream file1("file1");
53 < *    std::ofstream file2("file22");
54 < *    std::vector<std::streambuf*> buffers;
55 < *    buffers.push_back(file1.rdbuf());
56 < *    buffers.push_back(file2.rdbuf());
57 < *    teebuf tmp(buffers.begin(), buffers.end());
58 < *    std::ostream myOs(&tmp);
59 < *    myOs << "hello world";
60 < * @endcode
61 < */
48 >  /**
49 >   * @class basic_teebuf basic_teebuf.hpp "utils/basic_teebuf.hpp"
50 >   * @brief As a subclass of basic_streambuf,  basic_teebuf can operate on multiple stream simultaneously.
51 >   * @code
52 >   *    std::ofstream file1("file1");
53 >   *    std::ofstream file2("file22");
54 >   *    std::vector<std::streambuf*> buffers;
55 >   *    buffers.push_back(file1.rdbuf());
56 >   *    buffers.push_back(file2.rdbuf());
57 >   *    teebuf tmp(buffers.begin(), buffers.end());
58 >   *    std::ostream myOs(&tmp);
59 >   *    myOs << "hello world";
60 >   * @endcode
61 >   */
62  
63 < template <class CharT, class Traits = std::char_traits<CharT> >
64 < class basic_teebuf: public std::basic_streambuf<CharT, Traits> {
65 <    public:
66 <        typedef std::basic_streambuf<CharT, Traits> streambuf_type;
67 <        typedef Traits traits_type;
68 <        typedef CharT char_type;
69 <        typedef typename traits_type::int_type int_type;
63 >  template <class CharT, class Traits = std::char_traits<CharT> >
64 >  class basic_teebuf: public std::basic_streambuf<CharT, Traits> {
65 >  public:
66 >    typedef std::basic_streambuf<CharT, Traits> streambuf_type;
67 >    typedef Traits traits_type;
68 >    typedef CharT char_type;
69 >    typedef typename traits_type::int_type int_type;
70  
71 <        template <typename ForwardIterator>
72 <        basic_teebuf(ForwardIterator begin, ForwardIterator end) : buffers_(begin, end){
71 >    template <typename ForwardIterator>
72 >    basic_teebuf(ForwardIterator begin, ForwardIterator end) : buffers_(begin, end){
73  
74 <        }
74 >    }
75  
76 <    protected:
77 <        int_type overflow(int_type c = traits_type::eof()) {
76 >  protected:
77 >    int_type overflow(int_type c = traits_type::eof()) {
78  
79 <            //avoid writing eof to stream
80 <            if (c == traits_type::eof()) {
81 <                return traits_type::eof();
82 <            }
79 >      //avoid writing eof to stream
80 >      if (c == traits_type::eof()) {
81 >        return traits_type::eof();
82 >      }
83              
84 <            typename std::vector<streambuf_type*>::iterator iter; //typename is needed since it's a dependant name
85 <            for (iter = buffers_.begin(); iter != buffers_.end(); ++iter) {
86 <                if ((*iter)->sputc(c) ==  traits_type::eof()) {
87 <                    return  traits_type::eof();
88 <                }
89 <            }
84 >      typename std::vector<streambuf_type*>::iterator iter; //typename is needed since it's a dependant name
85 >      for (iter = buffers_.begin(); iter != buffers_.end(); ++iter) {
86 >        if ((*iter)->sputc(c) ==  traits_type::eof()) {
87 >          return  traits_type::eof();
88 >        }
89 >      }
90  
91 <            return traits_type::not_eof(c);
92 <        }
91 >      return traits_type::not_eof(c);
92 >    }
93  
94 <        int sync() {
94 >    int sync() {
95  
96 <            //flush buffer, checking return for eof.
97 <            if (traits_type::eq_int_type(overflow(traits_type::eof()), traits_type::eof())) {
98 <                return -1;
99 <            }
96 >      //flush buffer, checking return for eof.
97 >      if (traits_type::eq_int_type(overflow(traits_type::eof()), traits_type::eof())) {
98 >        return -1;
99 >      }
100  
101 <            //flush streams
102 <            typename std::vector<streambuf_type*>::iterator iter;
103 <            for (iter = buffers_.begin(); iter != buffers_.end(); ++iter) {
104 <                if ((*iter)->pubsync() == -1) {
105 <                    return -1;
106 <                }
107 <            }
101 >      //flush streams
102 >      typename std::vector<streambuf_type*>::iterator iter;
103 >      for (iter = buffers_.begin(); iter != buffers_.end(); ++iter) {
104 >        if ((*iter)->pubsync() == -1) {
105 >          return -1;
106 >        }
107 >      }
108              
109 <            return 0;
110 <        }
109 >      return 0;
110 >    }
111    
112 <    private:
113 <        std::vector<streambuf_type*> buffers_;
114 < };
112 >  private:
113 >    std::vector<streambuf_type*> buffers_;
114 >  };
115  
116 < typedef basic_teebuf<char> TeeBuf;
116 >  typedef basic_teebuf<char> TeeBuf;
117  
118   }
119   #endif

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