file_info_merge.cpp File Reference

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Functions
static void	merge_meta (file_info &p_out, const pfc::list_base_const_t< const file_info * > &p_in)
static t_size	merge_tags_calc_rating (const file_info &p_info, const char *p_field)
static t_size	merge_tags_calc_rating_by_index (const file_info &p_info, t_size p_index)
static void	merge_tags_copy_info (const char *field, const file_info *from, file_info *to)

Variables
static const char	_tagtype [] = "tagtype"

Function Documentation

static void merge_meta ( file_info &  p_out, const pfc::list_base_const_t< const file_info * > &  p_in  )

static

Definition at line 52 of file file_info_merge.cpp.

                                                                                              {
    pfc::map_t<const char *,meta_merge_entry,pfc::comparator_stricmp_ascii> map;
    for(t_size in_walk = 0; in_walk < p_in.get_count(); in_walk++) {
        const file_info & in = * p_in[in_walk];
        for(t_size meta_walk = 0, meta_count = in.meta_get_count(); meta_walk < meta_count; meta_walk++ ) {
            meta_merge_entry & entry = map.find_or_add(in.meta_enum_name(meta_walk));
            t_size rating = merge_tags_calc_rating_by_index(in,meta_walk);
            if (rating > entry.m_rating) {
                entry.m_rating = rating;
                const t_size value_count = in.meta_enum_value_count(meta_walk);
                entry.m_data.set_size(value_count);
                for(t_size value_walk = 0; value_walk < value_count; value_walk++ ) {
                    entry.m_data[value_walk] = in.meta_enum_value(meta_walk,value_walk);
                }
            }
        }
    }

    meta_merge_map_enumerator en(p_out);
    map.enumerate(en);
}

static t_size merge_tags_calc_rating ( const file_info &  p_info, const char *  p_field  )

static

Definition at line 11 of file file_info_merge.cpp.

                                                                                    {
    t_size field_index = p_info.meta_find(p_field);
    if (field_index != ~0) {
        return merge_tags_calc_rating_by_index(p_info,field_index);
    } else {
        return 0;
    }
}

static t_size merge_tags_calc_rating_by_index ( const file_info &  p_info, t_size  p_index  )

static

Definition at line 3 of file file_info_merge.cpp.

                                                                                       {
    t_size n,m = p_info.meta_enum_value_count(p_index);
    t_size ret = 0;
    for(n=0;n<m;n++)
        ret += strlen(p_info.meta_enum_value(p_index,n)) + 10;//yes, strlen on utf8 data, plus a slight bump to prefer multivalue over singlevalue w/ separator
    return ret;
}

static void merge_tags_copy_info ( const char *  field, const file_info *  from, file_info *  to  )

static

Definition at line 20 of file file_info_merge.cpp.

{
    const char * val = from->info_get(field);
    if (val) to->info_set(field,val);
}

Variable Documentation

const char _tagtype[] = "tagtype"

static

Definition at line 149 of file file_info_merge.cpp.