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 #include "CharCoding.hh"
  26
  27 /** Type of the reference counters in all structures. */
  28 typedef unsigned int ref_count_t;
  29
  30 /** Packed storage of bits, filled from LSB. */
  31 struct BITSTRING::bitstring_struct {
  32   ref_count_t ref_count;
  33   int n_bits;
  34   unsigned char bits_ptr[sizeof(int)];
  35 };
  36
  37 /** Each element occupies one byte. Meaning of values:
  38  * 0 -> 0, 1 -> 1, 2 -> ?, 3 -> * */
  39 struct BITSTRING_template::bitstring_pattern_struct {
  40   ref_count_t ref_count;
  41   unsigned int n_elements;
  42   unsigned char elements_ptr[1];
  43 };
  44
  45 /** Packed storage of hex digits, filled from LSB. */
  46 struct HEXSTRING::hexstring_struct {
  47   ref_count_t ref_count;
  48   int n_nibbles;
  49   unsigned char nibbles_ptr[sizeof(int)];
  50 };
  51
  52 /** Each element occupies one byte. Meaning of values:
  53  * 0 .. 15 -> 0 .. F, 16 -> ?, 17 -> * */
  54 struct HEXSTRING_template::hexstring_pattern_struct {
  55   ref_count_t ref_count;
  56   unsigned int n_elements;
  57   unsigned char elements_ptr[1];
  58 };
  59
  60 struct OCTETSTRING::octetstring_struct {
  61   ref_count_t ref_count;
  62   int n_octets;
  63   unsigned char octets_ptr[sizeof(int)];
  64 };
  65
  66 /** Each element is represented as an unsigned short. Meaning of values:
  67  * 0 .. 255 -> 00 .. FF, 256 -> ?, 257 -> * */
  68 struct OCTETSTRING_template::octetstring_pattern_struct {
  69   ref_count_t ref_count;
  70   unsigned int n_elements;
  71   unsigned short elements_ptr[1];
  72 };
  73
  74 struct CHARSTRING::charstring_struct {
  75   ref_count_t ref_count;
  76   int n_chars;
  77   char chars_ptr[sizeof(int)];
  78 };
  79
  80 struct UNIVERSAL_CHARSTRING::universal_charstring_struct {
  81   ref_count_t ref_count;
  82   int n_uchars;
  83   universal_char uchars_ptr[1];
  84 };
  85
  86 /* The layout of this structure must match that of charstring_struct */
  87 struct TTCN_Buffer::buffer_struct {
  88   ref_count_t ref_count;
  89   int unused_length_field; /**< placeholder only */
  90   unsigned char data_ptr[sizeof(int)];
  91 };
  92
  93 /** Structure for storing a decoded content matching mechanism
  94   * (for bitstrings, hexstrings, octetstrings and charstrings) */
  95 struct decmatch_struct {
  96   ref_count_t ref_count;
  97   Dec_Match_Interface* instance;
  98 };
  99
 100 /** Structure for storing a decoded content matching mechanism for universal
 101   * charstrings (also contains the character coding method) */
 102 struct unichar_decmatch_struct {
 103   ref_count_t ref_count;
 104   Dec_Match_Interface* instance;
 105   CharCoding::CharCodingType coding;
 106 };
 107
 108 #endif