#include <stdio.h>
#include <string.h>
#include "Exec.h"
#include "Func.h"

/* これは必須 */
SchedDefineTask(Exec);

static int
run(SchedTask *s, void *rbuf, void *wbuf)
{
#ifdef SIMPLE_TASK
    char *i_data = (char *)rbuf;
    unsigned long long *o_data = (unsigned long long*)wbuf;
    unsigned long long *head_tail_flag = o_data +2;
    int length = s->read_size();
#else
    char *i_data = (char*)s->get_input(rbuf, 0);
    unsigned long long *o_data = (unsigned long long*)s->get_output(wbuf, 0);
    /*担当範囲の先頭、末尾が「改行、スペース」か、「それ以外の文字」かのフラグ*/
    unsigned long long  *head_tail_flag = (unsigned long long*)s->get_output(wbuf,1);
    int length = (long)s->get_param(0);
#endif
    int word_flag = 0;
    int word_num = 0;
    int line_num = 0;
    int i = 0;
    
    head_tail_flag[0] = (i_data[0] != 0x20) && (i_data[0] != 0x0A);
    word_num -= 1-head_tail_flag[0];

    for (; i < length; i++) {
	if (i_data[i] == 0x20) {
	    word_flag = 1;
	} else if (i_data[i] == 0x0A) {
	    line_num += 1;
	    word_flag = 1;
	} else {
	    word_num += word_flag;
	    word_flag = 0;
	}
    }

    word_num += word_flag;
    head_tail_flag[1] = (i_data[i-1] != 0x20) && (i_data[i-1] != 0x0A);

    // s->printf("SPE word %d line %d\n",word_num,line_num);

    o_data[0] = (unsigned long long)word_num;
    o_data[1] = (unsigned long long)line_num;

    return 0;
}