--- parser3/src/main/pa_dictionary.C 2003/03/20 11:11:55 1.17.2.6.2.3 +++ parser3/src/main/pa_dictionary.C 2003/11/20 17:46:02 1.21 @@ -5,7 +5,7 @@ Author: Alexandr Petrosian (http://paf.design.ru) */ -static const char* IDENT_DICTIONARY_C="$Date: 2003/03/20 11:11:55 $"; +static const char * const IDENT_DICTIONARY_C="$Date: 2003/11/20 17:46:02 $"; #include "pa_dictionary.h" #include "pa_exception.h" @@ -15,42 +15,55 @@ void pa_dictionary_add_first(Table::elem // get a=>b values const String* a=row->get(0); // empty 'a' check - if(!*a) { + if(a->is_empty()) { throw Exception("parser.runtime", - a, + 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 + self->substs+=Dictionary::Subst(a->cstr(), b); + unsigned char c=(unsigned char)a->first_char(); if(!self->starting_line_of[c]) self->starting_line_of[c]=self->constructor_line; self->constructor_line++; } -Dictionary::Dictionary(Table& atable): table(atable) { +Dictionary::Dictionary(Table& atable): substs(atable.count()) { + // clear starting_lines + memset(starting_line_of, 0, sizeof(starting_line_of)); // grab first letters of first column of a table - constructor_line=1; table.for_each(pa_dictionary_add_first, this); + constructor_line=1; atable.for_each(pa_dictionary_add_first, this); } #ifndef DOXYGEN -struct First_that_starts_info { +struct First_that_begins_info { int line; const char* str; }; #endif -static bool starts(Table::element_type row, First_that_starts_info* info) { +static bool starts(Dictionary::Subst subst, First_that_begins_info* info) { // skip irrelevant lines if(info->line>1) { --info->line; return 0; } - return row->get(0)->this_starts(info->str); + return strncmp(subst.from, info->str, subst.from_length)==0; } -Table::element_type Dictionary::first_that_starts(const char* str) const { - First_that_starts_info info; - if(info.line=starting_line_of[(unsigned char)*str]) { +Dictionary::Subst Dictionary::first_that_begins(const char* str) const { + First_that_begins_info info; + if((info.line=starting_line_of[(unsigned char)*str])) { info.str=str; - return table.first_that(starts, &info); + return substs.first_that(starts, &info); } else - return Table::element_type(0); + return 0; }