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comparison src/oct-stdstrm.h @ 5325:ecbe4aa87e51

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[project @ 2005-04-29 20:48:35 by jwe]
author jwe
date Fri, 29 Apr 2005 20:48:36 +0000
parents 4c8a2e4e0717
children f07a9653b844
comparison
equal deleted inserted replaced
5324:d2d11284528e 5325:ecbe4aa87e51
25 #define octave_octave_stdiostream_h 1 25 #define octave_octave_stdiostream_h 1
26 26
27 #include "oct-stream.h" 27 #include "oct-stream.h"
28 #include "c-file-ptr-stream.h" 28 #include "c-file-ptr-stream.h"
29 29
30 template <typename BUF_T, typename STREAM_T, typename FILE_T>
30 class 31 class
31 octave_stdiostream : public octave_base_stream 32 octave_tstdiostream : public octave_base_stream
32 { 33 {
33 public: 34 public:
34 35
35 octave_stdiostream (const std::string& n, FILE *f = 0, 36 octave_tstdiostream (const std::string& n, FILE_T f = 0,
36 std::ios::openmode m = std::ios::in|std::ios::out, 37 std::ios::openmode m = std::ios::in|std::ios::out,
37 oct_mach_info::float_format ff 38 oct_mach_info::float_format ff
38 = oct_mach_info::native_float_format (), 39 = oct_mach_info::native_float_format (),
39 c_file_ptr_buf::close_fcn cf = c_file_ptr_buf::fclose) 40 typename BUF_T::close_fcn cf = BUF_T::fclose)
40 : octave_base_stream (m, ff), nm (n), md (m), s(0) 41 : octave_base_stream (m, ff), nm (n), md (m),
41 { 42 s(f ? new STREAM_T (f, cf) : 0)
42 if (f) 43 { }
43 s = new io_c_file_ptr_stream (f, cf);
44 }
45 44
46 static octave_stream 45 static octave_stream
47 create (const std::string& n, FILE *f = 0, 46 create (const std::string& n, FILE_T f = 0,
48 std::ios::openmode m = std::ios::in|std::ios::out, 47 std::ios::openmode m = std::ios::in|std::ios::out,
49 oct_mach_info::float_format ff 48 oct_mach_info::float_format ff
50 = oct_mach_info::native_float_format (), 49 = oct_mach_info::native_float_format (),
51 c_file_ptr_buf::close_fcn cf = c_file_ptr_buf::fclose) 50 typename BUF_T::close_fcn cf = BUF_T::fclose)
52 { 51 {
53 return octave_stream (new octave_stdiostream (n, f, m, ff, cf)); 52 return octave_stream (new octave_tstdiostream (n, f, m, ff, cf));
54 } 53 }
55 54
56 // Position a stream at OFFSET relative to ORIGIN. 55 // Position a stream at OFFSET relative to ORIGIN.
57 56
58 int seek (long offset, int origin); 57 int seek (long offset, int origin)
58 { return s ? s->seek (offset, origin) : -1; }
59 59
60 // Return current stream position. 60 // Return current stream position.
61 61
62 long tell (void); 62 long tell (void) { return s ? s->tell () : -1; }
63 63
64 // Return non-zero if EOF has been reached on this stream. 64 // Return non-zero if EOF has been reached on this stream.
65 65
66 bool eof (void) const { return s ? s->eof () : true; } 66 bool eof (void) const { return s ? s->eof () : true; }
67 67
72 std::istream *input_stream (void) { return (md & std::ios::in) ? s : 0; } 72 std::istream *input_stream (void) { return (md & std::ios::in) ? s : 0; }
73 73
74 std::ostream *output_stream (void) { return (md & std::ios::out) ? s : 0; } 74 std::ostream *output_stream (void) { return (md & std::ios::out) ? s : 0; }
75 75
76 // XXX FIXME XXX -- should not have to cast away const here. 76 // XXX FIXME XXX -- should not have to cast away const here.
77 c_file_ptr_buf *rdbuf (void) const 77 BUF_T *rdbuf (void) const
78 { return s ? (const_cast<io_c_file_ptr_stream *> (s))->rdbuf () : 0; } 78 { return s ? (const_cast<STREAM_T *> (s))->rdbuf () : 0; }
79 79
80 bool bad (void) const { return s ? s->bad () : true; } 80 bool bad (void) const { return s ? s->bad () : true; }
81 81
82 void clear (void) { if (s) s->clear (); } 82 void clear (void) { if (s) s->clear (); }
83 83
87 87
88 std::string nm; 88 std::string nm;
89 89
90 std::ios::openmode md; 90 std::ios::openmode md;
91 91
92 io_c_file_ptr_stream *s; 92 STREAM_T *s;
93 93
94 ~octave_stdiostream (void) { delete s; } 94 ~octave_tstdiostream (void) { delete s; }
95 95
96 private: 96 private:
97 97
98 // No copying! 98 // No copying!
99 99
100 octave_stdiostream (const octave_stdiostream&); 100 octave_tstdiostream (const octave_tstdiostream&);
101 101
102 octave_stdiostream& operator = (const octave_stdiostream&); 102 octave_tstdiostream& operator = (const octave_tstdiostream&);
103 }; 103 };
104
105 typedef octave_tstdiostream<c_file_ptr_buf, io_c_file_ptr_stream, FILE *> octave_stdiostream;
106
107 #ifdef HAVE_ZLIB
108
109 typedef octave_tstdiostream<c_zfile_ptr_buf, io_c_zfile_ptr_stream, gzFile> octave_zstdiostream;
110
111 #endif
104 112
105 #endif 113 #endif
106 114
107 /* 115 /*
108 ;;; Local Variables: *** 116 ;;; Local Variables: ***