root/trunk/src/data_count.c

#include <string.h>
#include <stdio.h>
#include <stdlib.h>

#include "array.h"

static data_unset *data_count_copy(const data_unset *s) {
        data_count *src = (data_count *)s;
        data_count *ds = data_count_init();

        buffer_copy_string_buffer(ds->key, src->key);
        ds->count = src->count;
        ds->is_index_key = src->is_index_key;
        return (data_unset *)ds;
}

static void data_count_free(data_unset *d) {
        data_count *ds = (data_count *)d;

        buffer_free(ds->key);

        free(d);
}

static void data_count_reset(data_unset *d) {
        data_count *ds = (data_count *)d;

        buffer_reset(ds->key);

        ds->count = 0;
}

static int data_count_insert_dup(data_unset *dst, data_unset *src) {
        data_count *ds_dst = (data_count *)dst;
        data_count *ds_src = (data_count *)src;

        ds_dst->count += ds_src->count;

        src->free(src);

        return 0;
}

static void data_count_print(const data_unset *d, int depth) {
        data_count *ds = (data_count *)d;
        UNUSED(depth);

        fprintf(stdout, "count(%d)", ds->count);
}


data_count *data_count_init(void) {
        data_count *ds;

        ds = calloc(1, sizeof(*ds));

        ds->key = buffer_init();
        ds->count = 1;

        ds->copy = data_count_copy;
        ds->free = data_count_free;
        ds->reset = data_count_reset;
        ds->insert_dup = data_count_insert_dup;
        ds->print = data_count_print;
        ds->type = TYPE_COUNT;

        return ds;
}