compiler2/ttcn3/TextAST.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  *   Szabo, Janos Zoltan – initial implementation
  12  *   Szalai, Gabor
  13  *
  14  ******************************************************************************/
  15 #ifndef TEXT_AST_HH
  16 #define TEXT_AST_HH
  17
  18 #include "../Setting.hh"
  19 #include "../Identifier.hh"
  20 #include "../../common/memory.h"
  21
  22 struct textAST_matching_values {
  23   char* encode_token;
  24   char* decode_token;
  25   bool  case_sensitive;
  26   bool  generated_decode_token;
  27 };
  28
  29 struct textAST_enum_def {
  30   Common::Identifier *name;
  31   textAST_matching_values value;
  32 };
  33
  34 struct textAST_param_values {
  35   bool leading_zero;
  36   bool repeatable;
  37   int min_length;
  38   int max_length;
  39   int convert;
  40   int just;
  41 };
  42
  43 class TextAST {
  44   private:
  45     void init_TextAST();
  46     TextAST(const TextAST&);
  47     TextAST& operator=(const TextAST&);
  48   public:
  49     textAST_matching_values *begin_val;
  50     textAST_matching_values *end_val;
  51     textAST_matching_values *separator_val;
  52     textAST_param_values coding_params;
  53     textAST_param_values decoding_params;
  54     int nof_field_params;
  55     textAST_enum_def **field_params;
  56     textAST_matching_values *true_params;
  57     textAST_matching_values *false_params;
  58     char* decode_token;
  59     bool case_sensitive;
  60
  61     TextAST() { init_TextAST(); }
  62     TextAST(const TextAST *other_val);
  63     ~TextAST();
  64
  65     void print_TextAST() const;
  66     int get_field_param_index(const Common::Identifier *name);
  67 };
  68
  69 void copy_textAST_matching_values(textAST_matching_values **to,
  70                                   const textAST_matching_values *from);
  71
  72 /** Checks for forbidden references within {} and substitutes the escape
  73  * sequences of apostrophes ('' and \') and quotation marks("" and \") in
  74  * \a decode_token. Returns the result of substitution. Argument \a loc is
  75  * used for error reporting. */
  76 char *process_decode_token(const char *decode_token,
  77   const Common::Location& loc);
  78
  79 /**  "Encode" the TEXT matching pattern.
  80  *
  81  * @param str TTCN pattern from the TEXT attribute
  82  * @param cs true for case sensitive matching, false for case insensitive
  83  * @return a newly allocated string whose first character is
  84  * 'I' for case sensitive matching, 'N' for case insensitive matching,
  85  * or 'F' for fixed string matching.
  86  * The rest of the string is the POSIX regexp corresponding to the pattern
  87  * in \p str (or a copy of \p str for fixed string matching).
  88  *
  89  * The string must be deallocated by the caller using \b Free()
  90  */
  91 char *make_posix_str_code(const char *str, bool cs);
  92
  93 /** Converts a TTCN-3 charstring value to an equivalent TTCN-3 pattern. The
  94  * special characters of TTCN-3 patterns are escaped. */
  95 extern char *convert_charstring_to_pattern(const char *str);
  96
  97 void init_textAST_matching_values(textAST_matching_values *val);
  98
  99 #endif