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/* Copyright (C) 2025 Aryadev Chavali
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the Unlicense for details.
* You may distribute and modify this code under the terms of the Unlicense,
* which you should have received a copy of along with this program. If not,
* please go to <https://unlicense.org/>.
* Created: 2025-08-19
* Description: Entrypoint
*/
#include <malloc.h>
#include <stdio.h>
#include <string.h>
#include "./alisp.h"
int main(void)
{
stream_t stream = {0};
char _data[] = "Hello, world!";
sv_t data = SV(_data, ARRSIZE(_data) - 1);
char filename[] = "lorem.txt";
// stream_init_string(&stream, NULL, data);
FILE *fp = fopen(filename, "rb");
stream_init_file(&stream, filename, fp);
// stream_init_file(&stream, "stdin", stdin);
/// test 1
// printf("[debug]: setup stream pipe\n");
// do
// {
// printf("%s[%lu]: `%c`\n", stream.name, stream.position,
// stream_next(&stream));
// } while (!stream_eoc(&stream));
// printf("%lu/%lu\n", stream.position, stream_size(&stream));
/// test 2
sv_t a = stream_substr(&stream, 100);
sv_t a_ = sv_copy(a);
printf("`" PR_SV "`\n", SV_FMT(a));
stream_seek(&stream, 100);
sv_t b = stream_substr_abs(&stream, 0, 100);
sv_t b_ = sv_copy(b);
printf("`" PR_SV "`\n", SV_FMT(b));
printf("a=b ? %s\na_=b_ ? %s\n",
memcmp(&a, &b, sizeof(a)) == 0 ? "yes" : "no",
a_.size == b_.size && strncmp(a_.data, b_.data, a_.size) == 0 ? "yes"
: "no");
sv_t c = stream_substr(&stream, 100);
sv_t c_ = sv_copy(c);
printf("`" PR_SV "`\n", SV_FMT(c));
stream_seek(&stream, 100);
sv_t d = stream_substr_abs(&stream, stream.position - 100, 100);
sv_t d_ = sv_copy(d);
printf("`" PR_SV "`\n", SV_FMT(d));
printf("c=d ? %s\nc_=d_ ? %s\n",
memcmp(&c, &d, sizeof(a)) == 0 ? "yes" : "no",
c_.size == d_.size && strncmp(c_.data, d_.data, c_.size) == 0 ? "yes"
: "no");
printf("eos?=%s\n", stream_eos(&stream) ? "yes" : "no");
stream_stop(&stream);
// fclose(fp);
return 0;
}
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