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Annotation of parser3/src/main/pa_dictionary.C, revision 1.3

1.1       parser      1: /**    @file
                      2:        Parser: dictionary class  impl.
                      3: 
                      4:        Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
                      5: 
                      6:        Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
                      7: */
1.3     ! parser      8: static const char *RCSId="$Id: pa_dictionary.C,v 1.2 2001/08/02 07:00:08 parser Exp $"; 
1.1       parser      9: 
                     10: #include "pa_dictionary.h"
                     11: 
                     12: 
                     13: static void add_first(Array::Item *value, void *info) {
                     14:        Dictionary& self=*static_cast<Dictionary *>(info);
                     15:        self.first[(unsigned char)static_cast<Array *>(value)->get_string(0)->first_char()]=true;
                     16: }
                     17: 
                     18: Dictionary::Dictionary(Table& atable) : Pooled(atable.pool()), table(atable) {
                     19:        // clear firsts
1.2       parser     20:        memset(first, 0, sizeof(first));
1.1       parser     21:        // grab first letters of first column of a table
                     22:        table.for_each(add_first, this);
                     23: }
                     24: 
1.3     ! parser     25: static void *starts(Array::Item *value, const void *info) {
1.1       parser     26:        Array *row=static_cast<Array *>(value);
                     27:        const char *src=static_cast<const char *>(info);
                     28: 
                     29:        int partial;
                     30:        row->get_string(0)->cmp(partial, src);
1.3     ! parser     31:        return (
1.1       parser     32:                partial==0 || // full match
1.3     ! parser     33:                partial==1) // typo left column starts 'src'
        !            34:                ?value:0;
1.1       parser     35: }
                     36: 
                     37: void* Dictionary::first_that_starts(const char *src) const {
                     38:        if(first[(unsigned char)*src])
                     39:                return table.first_that(starts, src);
                     40:        else
                     41:                return 0;
                     42: }