flower/include/memory-stream.hh

   1 /*
   2   memory-stream.hh -- declare Memory_out_stream
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 2005--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
   7 */
   8
   9 #ifndef MEMORY_STREAM_HH
  10 #define MEMORY_STREAM_HH
  11
  12 #include <cstdio>
  13 #include <unistd.h>
  14 using namespace std;
  15
  16 #include "libc-extension.hh"
  17 #include "file-cookie.hh"
  18
  19 class Memory_out_stream
  20 {
  21   char *buffer_;
  22   ssize_t size_;
  23   int buffer_blocks_;
  24   FILE *file_;
  25
  26   static lily_cookie_io_functions_t functions_;
  27   static const int block_size_;
  28
  29 public:
  30   static ssize_t reader (void *, char *, size_t);
  31   static ssize_t writer (void *, char const *, size_t);
  32   static int seeker (void *, off64_t *, int);
  33   static int cleaner (void *);
  34
  35   Memory_out_stream ();
  36   ~Memory_out_stream ();
  37   FILE *get_file () const;
  38   char const *get_string () const;
  39   ssize_t get_length () const;
  40 };
  41
  42 #endif /* MEMORY_STREAM_HH */