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

/* これは必須 */
SchedDefineTask(Exec);

typedef char *cvector __attribute__ ((vector_size (16)));
//   vectorize だと結果がよろしくない...
//
// typedef char *cvector;

static int
run(SchedTask *s, void *rbuf, void *wbuf)
{
#ifdef SIMPLE_TASK
    cvector i_data = (cvector)rbuf;
    char* i_data0 = (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
    cvector i_data = (cvector)s->get_input(rbuf, 0);
    char* i_data0 = (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

    static const char spaces[] = {0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20} ;
    cvector const space = (cvector)spaces;
    static const char newlines[] = {0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a};
    cvector const newline = (cvector)newlines;

    int word_flag = 0;
    int word_num = 0;
    int line_num = 0;
    int i = 0;
    
    /*文字なら1,スペースか改行なら0*/
    char top = i_data0[0];
    head_tail_flag[0] = ((top != 0x20) && (top != 0x0a));
    word_num -= 1-head_tail_flag[0];

    for (; i < length; i++) {
	if (i_data[i] == space[i%16]) {
	    //s->printf("スペース\n");
	    word_flag = 1;
	} else if (i_data[i] == newline[i%16]) {
	    //s->printf("改行\n");
	    line_num += 1;
	    word_flag = 1;
	} else {
	    word_num += word_flag;
	    word_flag = 0;
	}
    }

    word_num += word_flag;
    /*文字なら1,スペースか改行なら0*/
    //printf("last word %c",i_data[i-1]);
    char end = i_data0[i-1];
    head_tail_flag[1] = ((end != 0x20) && (end != 0x0a));

    // s->printf("SPU 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;
}