335 lines
6.5 KiB
C
335 lines
6.5 KiB
C
/**
|
|
* See Copyright Notice in picrin.h
|
|
*/
|
|
|
|
#include <string.h>
|
|
|
|
#include "picrin.h"
|
|
#include "picrin/pair.h"
|
|
#include "picrin/port.h"
|
|
|
|
pic_str *
|
|
pic_str_new(pic_state *pic, const char *cstr, size_t len)
|
|
{
|
|
pic_str *str;
|
|
char *copy;
|
|
|
|
if (cstr) {
|
|
copy = pic_strdup(pic, cstr);
|
|
} else {
|
|
copy = (char *)pic_alloc(pic, len);
|
|
}
|
|
|
|
str = (pic_str *)pic_obj_alloc(pic, sizeof(pic_str), PIC_TT_STRING);
|
|
str->len = len;
|
|
str->str = copy;
|
|
return str;
|
|
}
|
|
|
|
pic_str *
|
|
pic_str_new_cstr(pic_state *pic, const char *cstr)
|
|
{
|
|
return pic_str_new(pic, cstr, strlen(cstr));
|
|
}
|
|
|
|
pic_value
|
|
pic_vfformat(pic_state *pic, XFILE *file, const char *fmt, va_list ap)
|
|
{
|
|
char c;
|
|
pic_value irrs = pic_nil_value();
|
|
|
|
while ((c = *fmt++)) {
|
|
switch (c) {
|
|
default:
|
|
xfputc(c, file);
|
|
break;
|
|
case '%':
|
|
c = *fmt++;
|
|
if (! c)
|
|
goto exit;
|
|
switch (c) {
|
|
default:
|
|
xfputc(c, file);
|
|
break;
|
|
case '%':
|
|
xfputc('%', file);
|
|
break;
|
|
case 'c':
|
|
xfprintf(file, "%c", va_arg(ap, int));
|
|
break;
|
|
case 's':
|
|
xfprintf(file, "%s", va_arg(ap, const char *));
|
|
break;
|
|
case 'd':
|
|
xfprintf(file, "%d", va_arg(ap, int));
|
|
break;
|
|
case 'p':
|
|
xfprintf(file, "%p", va_arg(ap, void *));
|
|
break;
|
|
case 'f':
|
|
xfprintf(file, "%f", va_arg(ap, double));
|
|
break;
|
|
}
|
|
break;
|
|
case '~':
|
|
c = *fmt++;
|
|
if (! c)
|
|
goto exit;
|
|
switch (c) {
|
|
default:
|
|
xfputc(c, file);
|
|
break;
|
|
case '~':
|
|
xfputc('~', file);
|
|
break;
|
|
case '%':
|
|
xfputc('\n', file);
|
|
break;
|
|
case 'S':
|
|
irrs = pic_cons(pic, pic_fdebug(pic, va_arg(ap, pic_value), file), irrs);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
exit:
|
|
|
|
return pic_reverse(pic, irrs);
|
|
}
|
|
|
|
pic_value
|
|
pic_vformat(pic_state *pic, const char *fmt, va_list ap)
|
|
{
|
|
struct pic_port *port;
|
|
pic_value irrs;
|
|
|
|
port = pic_open_output_string(pic);
|
|
|
|
irrs = pic_vfformat(pic, port->file, fmt, ap);
|
|
irrs = pic_cons(pic, pic_obj_value(pic_get_output_string(pic, port)), irrs);
|
|
|
|
pic_close_port(pic, port);
|
|
return irrs;
|
|
}
|
|
|
|
pic_value
|
|
pic_format(pic_state *pic, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
pic_value objs;
|
|
|
|
va_start(ap, fmt);
|
|
objs = pic_vformat(pic, fmt, ap);
|
|
va_end(ap);
|
|
|
|
return objs;
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_string_p(pic_state *pic)
|
|
{
|
|
pic_value v;
|
|
|
|
pic_get_args(pic, "o", &v);
|
|
|
|
return pic_bool_value(pic_str_p(v));
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_make_string(pic_state *pic)
|
|
{
|
|
int k, i;
|
|
char c = ' ', *cstr;
|
|
|
|
pic_get_args(pic, "i|c", &k, &c);
|
|
|
|
cstr = (char *)pic_alloc(pic, k + 1);
|
|
for (i = 0; i < k; ++i) {
|
|
cstr[i] = c;
|
|
}
|
|
cstr[k] = '\0';
|
|
|
|
return pic_obj_value(pic_str_new(pic, cstr, k));
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_string_length(pic_state *pic)
|
|
{
|
|
char *str;
|
|
size_t len;
|
|
|
|
pic_get_args(pic, "s", &str, &len);
|
|
|
|
return pic_int_value(len);
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_string_ref(pic_state *pic)
|
|
{
|
|
char *str;
|
|
size_t len;
|
|
int k;
|
|
|
|
pic_get_args(pic, "si", &str, &len, &k);
|
|
|
|
return pic_char_value(str[k]);
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_string_set(pic_state *pic)
|
|
{
|
|
char *str, c;
|
|
size_t len;
|
|
int k;
|
|
|
|
pic_get_args(pic, "sic", &str, &len, &k, &c);
|
|
|
|
str[k] = c;
|
|
return pic_none_value();
|
|
}
|
|
|
|
#define DEFINE_STRING_CMP(name, op) \
|
|
static pic_value \
|
|
pic_str_string_##name(pic_state *pic) \
|
|
{ \
|
|
size_t argc; \
|
|
pic_value *argv; \
|
|
size_t i; \
|
|
\
|
|
pic_get_args(pic, "*", &argc, &argv); \
|
|
\
|
|
if (argc < 1 || ! pic_str_p(argv[0])) { \
|
|
return pic_false_value(); \
|
|
} \
|
|
\
|
|
for (i = 1; i < argc; ++i) { \
|
|
if (! pic_str_p(argv[i])) { \
|
|
return pic_false_value(); \
|
|
} \
|
|
if (! (strcmp(pic_str_ptr(argv[i-1])->str, \
|
|
pic_str_ptr(argv[i])->str) \
|
|
op 0)) { \
|
|
return pic_false_value(); \
|
|
} \
|
|
} \
|
|
return pic_true_value(); \
|
|
}
|
|
|
|
DEFINE_STRING_CMP(eq, ==)
|
|
DEFINE_STRING_CMP(lt, <)
|
|
DEFINE_STRING_CMP(gt, >)
|
|
DEFINE_STRING_CMP(le, <=)
|
|
DEFINE_STRING_CMP(ge, >=)
|
|
|
|
static pic_value
|
|
pic_str_string_copy(pic_state *pic)
|
|
{
|
|
size_t len, start, end, i;
|
|
char *str;
|
|
int n;
|
|
pic_str *copy;
|
|
|
|
n = pic_get_args(pic, "s|ii", &str, &len, &start, &end);
|
|
|
|
switch (n) {
|
|
case 1:
|
|
start = 0;
|
|
case 2:
|
|
end = len;
|
|
}
|
|
|
|
copy = pic_str_new(pic, NULL, end - start);
|
|
for (i = 0; i < end - start; ++i) {
|
|
copy->str[i] = str[start + i];
|
|
}
|
|
return pic_obj_value(copy);
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_string_copy_ip(pic_state *pic)
|
|
{
|
|
size_t to_len, from_len, at, start, end;
|
|
char *to_str, *from_str;
|
|
int n;
|
|
|
|
n = pic_get_args(pic, "sis|ii", &to_str, &to_len, &at, &from_str, &from_len, &start, &end);
|
|
|
|
switch (n) {
|
|
case 3:
|
|
start = 0;
|
|
case 4:
|
|
end = from_len;
|
|
}
|
|
|
|
while (start < end) {
|
|
to_str[at++] = from_str[start++];
|
|
}
|
|
return pic_none_value();
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_string_append(pic_state *pic)
|
|
{
|
|
size_t argc, len, i;
|
|
pic_value *argv;
|
|
char *buf;
|
|
|
|
pic_get_args(pic, "*", &argc, &argv);
|
|
|
|
len = 0;
|
|
buf = NULL;
|
|
for (i = 0; i < argc; ++i) {
|
|
if (! pic_str_p(argv[i])) {
|
|
pic_error(pic, "type error");
|
|
}
|
|
buf = pic_realloc(pic, buf, len + pic_str_ptr(argv[i])->len);
|
|
/* copy! */
|
|
memcpy(buf + len, pic_str_ptr(argv[i])->str, pic_str_ptr(argv[i])->len);
|
|
len += pic_str_ptr(argv[i])->len;
|
|
}
|
|
return pic_obj_value(pic_str_new(pic, buf, len));
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_string_fill_ip(pic_state *pic)
|
|
{
|
|
size_t len, start, end;
|
|
char *str, c;
|
|
int n;
|
|
|
|
n = pic_get_args(pic, "sc|ii", &str, &len, &c, &start, &end);
|
|
|
|
switch (n) {
|
|
case 1:
|
|
start = 0;
|
|
case 2:
|
|
end = len;
|
|
}
|
|
|
|
while (start < end) {
|
|
str[start++] = c;
|
|
}
|
|
return pic_none_value();
|
|
}
|
|
|
|
void
|
|
pic_init_str(pic_state *pic)
|
|
{
|
|
pic_defun(pic, "string?", pic_str_string_p);
|
|
pic_defun(pic, "make-string", pic_str_make_string);
|
|
pic_defun(pic, "string-length", pic_str_string_length);
|
|
pic_defun(pic, "string-ref", pic_str_string_ref);
|
|
pic_defun(pic, "string-set!", pic_str_string_set);
|
|
|
|
pic_defun(pic, "string=?", pic_str_string_eq);
|
|
pic_defun(pic, "string<?", pic_str_string_lt);
|
|
pic_defun(pic, "string>?", pic_str_string_gt);
|
|
pic_defun(pic, "string<=?", pic_str_string_le);
|
|
pic_defun(pic, "string>=?", pic_str_string_ge);
|
|
|
|
pic_defun(pic, "string-copy", pic_str_string_copy);
|
|
pic_defun(pic, "string-copy!", pic_str_string_copy_ip);
|
|
pic_defun(pic, "string-append", pic_str_string_append);
|
|
pic_defun(pic, "string-fill!", pic_str_string_fill_ip);
|
|
}
|