fx/test/core/ropes.c

#include <fx/core/rope.h>
#include <inttypes.h>
#include <stdio.h>

static void print_rope(const struct fx_rope *rope, int depth)
{
	for (int i = 0; i < depth; i++) {
		printf("  ");
	}

	printf("[%x:", rope->r_flags);

	(FX_ROPE_TYPE(rope->r_flags) == FX_ROPE_F_CHAR) && printf(" CHAR");
	(FX_ROPE_TYPE(rope->r_flags) == FX_ROPE_F_CSTR) && printf(" CSTR");
	(FX_ROPE_TYPE(rope->r_flags) == FX_ROPE_F_CSTR_BORROWED)
		&& printf(" CSTR_BORROWED");
	(FX_ROPE_TYPE(rope->r_flags) == FX_ROPE_F_CSTR_STATIC)
		&& printf(" CSTR_STATIC");
	(FX_ROPE_TYPE(rope->r_flags) == FX_ROPE_F_INT) && printf(" INT");
	(FX_ROPE_TYPE(rope->r_flags) == FX_ROPE_F_UINT) && printf(" UINT");
	(FX_ROPE_TYPE(rope->r_flags) == FX_ROPE_F_COMPOSITE)
		&& printf(" COMPOSITE");
	(rope->r_flags & FX_ROPE_F_MALLOC) && printf(" MALLOC");
	printf("] ");

	switch (FX_ROPE_TYPE(rope->r_flags)) {
	case FX_ROPE_F_CHAR:
		printf("%c", rope->r_v.v_char);
		break;
	case FX_ROPE_F_CSTR:
	case FX_ROPE_F_CSTR_BORROWED:
	case FX_ROPE_F_CSTR_STATIC:
		printf("%s", rope->r_v.v_cstr.s);
		break;
	case FX_ROPE_F_INT:
		printf("%" PRIdPTR, rope->r_v.v_int);
		break;
	case FX_ROPE_F_UINT:
		printf("%" PRIuPTR, rope->r_v.v_uint);
		break;
	default:
		break;
	}

	printf("\n");

	if (FX_ROPE_TYPE(rope->r_flags) == FX_ROPE_F_COMPOSITE) {
		if (rope->r_v.v_composite.r_left) {
			print_rope(rope->r_v.v_composite.r_left, depth + 1);
		}

		if (rope->r_v.v_composite.r_right) {
			print_rope(rope->r_v.v_composite.r_right, depth + 1);
		}
	}
}

int main(void)
{
	fx_rope a = FX_ROPE_CHAR('a');
	fx_rope b = FX_ROPE_CSTR_STATIC("Hello, world!");
	fx_rope c = FX_ROPE_INT(-4096);
	fx_rope d = FX_ROPE_UINT(4096);

	fx_rope str;

	const fx_rope *ropes[] = {
		&a,
		&b,
		&c,
		&d,
	};

	fx_rope_join(&str, ropes, sizeof ropes / sizeof ropes[0]);

	print_rope(&str, 0);

	char cstr[1024];
	fx_rope_to_cstr(&str, cstr, sizeof cstr);
	fx_rope_destroy(&str);

	printf("%s\n", cstr);
	return 0;
}