gclib2/modules/Core/dpbuf.h

   1 /*
   2  * (c) Oleg Puchinin 2006,2007
   3  * graycardinalster@gmail.com
   4  *
   5  */
   6
   7 #ifndef DEFINE_DPBUF_H
   8 #define DEFINE_DPBUF_H
   9
  10 #include <stdint.h>
  11 #include <stdlib.h>
  12 #include <stdio.h>
  13
  14 /// Класс - устойчивый буфер.
  15 class DPBuf
  16 {
  17         public:
  18                 DPBuf ();
  19                 DPBuf (char *, int len);
  20                 ~DPBuf ();
  21
  22                 char * set_pos (char * ptr);
  23                 void init (char *ptr, int len);
  24                 FILE * file ();
  25
  26                 void s8 (void);
  27                 void s16 (void);
  28                 void s32 (void);
  29                 void sd (int count);
  30
  31                 unsigned char r8 (char *ptr = NULL);
  32                 uint16_t r16 (char *ptr = NULL);
  33                 uint32_t r32 (char *ptr = NULL);
  34                 char * rd (char *ptr, int len);
  35
  36                 void w8 (char ch);
  37                 void w16 (uint16_t word);
  38                 void w32 (uint32_t dword);
  39                 void wd (char * buf, int len);
  40
  41                 bool check (char *ptr, int count);
  42                 char * strcat (char *ptr, char *S);
  43                 char * memmem (char * buf, char * needle, size_t needlelen);
  44                 char * ch (char *buf, char ch);
  45
  46                 inline char * data () {
  47                         return begin;
  48                 }
  49                 inline int len () {
  50                         return end - begin;
  51                 }
  52
  53                 bool ok;
  54
  55         protected:
  56                 char * begin;
  57                 char * carret;
  58                 char * end;
  59                 FILE * m_file;
  60 };
  61
  62 #endif
  63