growl/next/core/print.c
2026-02-09 10:42:23 -03:00

81 lines
1.7 KiB
C

#include <growl.h>
#include <inttypes.h>
void growl_print(Growl value) { growl_print_to(stdout, value); }
void growl_println(Growl value) {
growl_print_to(stdout, value);
putchar('\n');
}
static void print_escaped(FILE *file, const char *data, size_t len) {
putc('"', file);
for (size_t i = 0; i < len; ++i) {
switch (data[i]) {
case '\0':
putc('\\', file);
putc('0', file);
break;
case '\t':
putc('\\', file);
putc('t', file);
break;
case '\n':
putc('\\', file);
putc('n', file);
break;
case '\r':
putc('\\', file);
putc('r', file);
break;
case '\b':
putc('\\', file);
putc('b', file);
break;
case '\v':
putc('\\', file);
putc('v', file);
break;
case '\f':
putc('\\', file);
putc('f', file);
break;
case '\x1b':
putc('\\', file);
putc('e', file);
break;
case '\\':
putc('\\', file);
putc('\\', file);
break;
case '"':
putc('\\', file);
putc('"', file);
break;
default:
putc(data[i], file);
break;
}
}
putc('"', file);
}
void growl_print_to(FILE *file, Growl value) {
if (value == GROWL_NIL) {
fprintf(file, "nil");
} else if (GROWL_IMM(value)) {
fprintf(file, "%" PRIdPTR, GROWL_ORD(value));
} else {
GrowlObjectHeader *hdr = GROWL_UNBOX(value);
switch (hdr->type) {
case GROWL_TYPE_STRING: {
GrowlString *str = (GrowlString *)(hdr + 1);
print_escaped(file, str->data, str->len);
break;
}
default:
fprintf(file, "<object type=%" PRIu32 " @ %p>", hdr->type, hdr);
break;
}
}
}