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Diff for /parser3/src/main/pa_dictionary.C between versions 1.20 and 1.27

version 1.20, 2003/11/20 16:34:26 version 1.27, 2015/10/26 01:21:58
Line 1 Line 1
 /**     @file  /**     @file
         Parser: dictionary class  impl.          Parser: dictionary class  impl.
   
         Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com)          Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com)
         Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)          Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
 */  */
   
 static const char * const IDENT_DICTIONARY_C="$Date$";  
   
 #include "pa_dictionary.h"  #include "pa_dictionary.h"
 #include "pa_exception.h"  #include "pa_exception.h"
   
 // could not make this static: gcc complains "prev decl was extern"  volatile const char * IDENT_PA_DICTIONARY_C="$Id$" IDENT_PA_DICTIONARY_H;
 void pa_dictionary_add_first(Table::element_type row, Dictionary* self) {  
         // get a=>b values  
         const String* a=row->get(0);  
         // empty 'a' check  
         if(a->is_empty()) {  
                 throw Exception("parser.runtime",  
                         0, //&a,   
                         "dictionary table 'from' column elements must not be empty");  
         }  
         const String* b;  
         if(row->count()>1) { // are there any b?  
                 b=row->get(1);  
                 if(b->is_empty())  
                         b=0;  
         } else  
                 b=0;  
   
         // record simplier 'a' for quick comparisons in 'starts' extremely-tight-callback  Dictionary::Dictionary(Table& atable): substs(atable.count()) {
         self->substs+=Dictionary::Subst(a->cstr(), b);          // clear starting_lines
           memset(starting_line_of, 0, sizeof(starting_line_of));
           // grab first letters of first column of a table
           constructor_line=1;
   
         unsigned char c=(unsigned char)a->first_char();          for(Array_iterator<ArrayString*> i(atable); i.has_next(); ) {
         if(!self->starting_line_of[c])                  ArrayString* row=i.next();
                 self->starting_line_of[c]=self->constructor_line;  
   
         self->constructor_line++;                  append_subst(
                           row->get(0),
                           (row->count()>1) ? row->get(1) : 0,
                           "dictionary table 'from' column elements must not be empty"
                   );
           }
 }  }
 Dictionary::Dictionary(Table& atable): substs(atable.count()) {  
   Dictionary::Dictionary(const String& from, const String& to): substs(1) {
         // clear starting_lines          // clear starting_lines
         memset(starting_line_of, 0, sizeof(starting_line_of));          memset(starting_line_of, 0, sizeof(starting_line_of));
         // grab first letters of first column of a table          constructor_line=1;
         constructor_line=1;  atable.for_each(pa_dictionary_add_first, this);  
           append_subst(&from, &to);
   }
   
   
   void Dictionary::append_subst(const String* from, const String* to, const char* exception_cstr) {
           if(from->is_empty())
                   throw Exception(PARSER_RUNTIME,
                           0,
                           exception_cstr ? exception_cstr : "'from' must not be empty");
   
           // record simplier 'from' for quick comparisons in 'starts' extremely-tight-callback
           substs+=Dictionary::Subst(from->cstr(), (to && !to->is_empty()) ? to : 0);
   
           unsigned char c=(unsigned char)from->first_char();
           if(!starting_line_of[c])
                   starting_line_of[c]=constructor_line;
   
           constructor_line++;
 }  }
   
 #ifndef DOXYGEN  #ifndef DOXYGEN
Line 61  static bool starts(Dictionary::Subst sub Line 69  static bool starts(Dictionary::Subst sub
 }  }
 Dictionary::Subst Dictionary::first_that_begins(const char* str) const {  Dictionary::Subst Dictionary::first_that_begins(const char* str) const {
         First_that_begins_info info;          First_that_begins_info info;
         if(info.line=starting_line_of[(unsigned char)*str]) {          if((info.line=starting_line_of[(unsigned char)*str])) {
                 info.str=str;                  info.str=str;
                 return substs.first_that(starts, &info);                  return substs.first_that(starts, &info);
         } else          } else
Removed from v.1.20  
changed lines
  Added in v.1.27

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