core/String_struct.hh

   1 /******************************************************************************
   2  * Copyright (c) 2000-2016 Ericsson Telecom AB
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *   Balasko, Jeno
  10  *   Raduly, Csaba
  11  *   Szabados, Kristof
  12  *   Szabo, Janos Zoltan – initial implementation
  13  *
  14  ******************************************************************************/
  15 #ifndef STRING_STRUCT_HH
  16 #define STRING_STRUCT_HH
  17
  18 #include "Types.h"
  19 #include "Bitstring.hh"
  20 #include "Hexstring.hh"
  21 #include "Octetstring.hh"
  22 #include "Charstring.hh"
  23 #include "Universal_charstring.hh"
  24 #include "Encdec.hh"
  25
  26 /** Type of the reference counters in all structures. */
  27 typedef unsigned int ref_count_t;
  28
  29 /** Packed storage of bits, filled from LSB. */
  30 struct BITSTRING::bitstring_struct {
  31   ref_count_t ref_count;
  32   int n_bits;
  33   unsigned char bits_ptr[sizeof(int)];
  34 };
  35
  36 /** Each element occupies one byte. Meaning of values:
  37  * 0 -> 0, 1 -> 1, 2 -> ?, 3 -> * */
  38 struct BITSTRING_template::bitstring_pattern_struct {
  39   ref_count_t ref_count;
  40   unsigned int n_elements;
  41   unsigned char elements_ptr[1];
  42 };
  43
  44 /** Packed storage of hex digits, filled from LSB. */
  45 struct HEXSTRING::hexstring_struct {
  46   ref_count_t ref_count;
  47   int n_nibbles;
  48   unsigned char nibbles_ptr[sizeof(int)];
  49 };
  50
  51 /** Each element occupies one byte. Meaning of values:
  52  * 0 .. 15 -> 0 .. F, 16 -> ?, 17 -> * */
  53 struct HEXSTRING_template::hexstring_pattern_struct {
  54   ref_count_t ref_count;
  55   unsigned int n_elements;
  56   unsigned char elements_ptr[1];
  57 };
  58
  59 struct OCTETSTRING::octetstring_struct {
  60   ref_count_t ref_count;
  61   int n_octets;
  62   unsigned char octets_ptr[sizeof(int)];
  63 };
  64
  65 /** Each element is represented as an unsigned short. Meaning of values:
  66  * 0 .. 255 -> 00 .. FF, 256 -> ?, 257 -> * */
  67 struct OCTETSTRING_template::octetstring_pattern_struct {
  68   ref_count_t ref_count;
  69   unsigned int n_elements;
  70   unsigned short elements_ptr[1];
  71 };
  72
  73 struct CHARSTRING::charstring_struct {
  74   ref_count_t ref_count;
  75   int n_chars;
  76   char chars_ptr[sizeof(int)];
  77 };
  78
  79 struct UNIVERSAL_CHARSTRING::universal_charstring_struct {
  80   ref_count_t ref_count;
  81   int n_uchars;
  82   universal_char uchars_ptr[1];
  83 };
  84
  85 /* The layout of this structure must match that of charstring_struct */
  86 struct TTCN_Buffer::buffer_struct {
  87   ref_count_t ref_count;
  88   int unused_length_field; /**< placeholder only */
  89   unsigned char data_ptr[sizeof(int)];
  90 };
  91
  92 #endif