compiler2/ttcn3/TextAST.hh

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Copyright (c) 2000-2014 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 #ifndef TEXT_AST_HH
   9 #define TEXT_AST_HH
  10
  11 #include "../Setting.hh"
  12 #include "../Identifier.hh"
  13 #include "../../common/memory.h"
  14
  15 struct textAST_matching_values {
  16   char* encode_token;
  17   char* decode_token;
  18   bool  case_sensitive;
  19   bool  generated_decode_token;
  20 };
  21
  22 struct textAST_enum_def {
  23   Common::Identifier *name;
  24   textAST_matching_values value;
  25 };
  26
  27 struct textAST_param_values {
  28   bool leading_zero;
  29   bool repeatable;
  30   int min_length;
  31   int max_length;
  32   int convert;
  33   int just;
  34 };
  35
  36 class TextAST {
  37   private:
  38     void init_TextAST();
  39     TextAST(const TextAST&);
  40     TextAST& operator=(const TextAST&);
  41   public:
  42     textAST_matching_values *begin_val;
  43     textAST_matching_values *end_val;
  44     textAST_matching_values *separator_val;
  45     textAST_param_values coding_params;
  46     textAST_param_values decoding_params;
  47     int nof_field_params;
  48     textAST_enum_def **field_params;
  49     textAST_matching_values *true_params;
  50     textAST_matching_values *false_params;
  51     char* decode_token;
  52     bool case_sensitive;
  53
  54     TextAST() { init_TextAST(); }
  55     TextAST(const TextAST *other_val);
  56     ~TextAST();
  57
  58     void print_TextAST() const;
  59     int get_field_param_index(const Common::Identifier *name);
  60 };
  61
  62 void copy_textAST_matching_values(textAST_matching_values **to,
  63                                   const textAST_matching_values *from);
  64
  65 /** Checks for forbidden references within {} and substitutes the escape
  66  * sequences of apostrophes ('' and \') and quotation marks("" and \") in
  67  * \a decode_token. Returns the result of substitution. Argument \a loc is
  68  * used for error reporting. */
  69 char *process_decode_token(const char *decode_token,
  70   const Common::Location& loc);
  71
  72 /**  "Encode" the TEXT matching pattern.
  73  *
  74  * @param str TTCN pattern from the TEXT attribute
  75  * @param cs true for case sensitive matching, false for case insensitive
  76  * @return a newly allocated string whose first character is
  77  * 'I' for case sensitive matching, 'N' for case insensitive matching,
  78  * or 'F' for fixed string matching.
  79  * The rest of the string is the POSIX regexp corresponding to the pattern
  80  * in \p str (or a copy of \p str for fixed string matching).
  81  *
  82  * The string must be deallocated by the caller using \b Free()
  83  */
  84 char *make_posix_str_code(const char *str, bool cs);
  85
  86 /** Converts a TTCN-3 charstring value to an equivalent TTCN-3 pattern. The
  87  * special characters of TTCN-3 patterns are escaped. */
  88 extern char *convert_charstring_to_pattern(const char *str);
  89
  90 void init_textAST_matching_values(textAST_matching_values *val);
  91
  92 #endif