498 lines
11 KiB
C
498 lines
11 KiB
C
/**
|
|
* See Copyright Notice in picrin.h
|
|
*/
|
|
|
|
#include <string.h>
|
|
|
|
#include "picrin.h"
|
|
#include "picrin/string.h"
|
|
#include "picrin/pair.h"
|
|
#include "picrin/port.h"
|
|
|
|
static pic_str *
|
|
make_str_rope(pic_state *pic, xrope *rope)
|
|
{
|
|
pic_str *str;
|
|
|
|
str = (pic_str *)pic_obj_alloc(pic, sizeof(pic_str), PIC_TT_STRING);
|
|
str->rope = rope; /* delegate ownership */
|
|
return str;
|
|
}
|
|
|
|
pic_str *
|
|
pic_make_str(pic_state *pic, const char *imbed, size_t len)
|
|
{
|
|
if (imbed == NULL && len > 0) {
|
|
pic_errorf(pic, "zero length specified against NULL ptr");
|
|
}
|
|
return make_str_rope(pic, xr_new_copy(imbed, len));
|
|
}
|
|
|
|
pic_str *
|
|
pic_make_str_cstr(pic_state *pic, const char *cstr)
|
|
{
|
|
return pic_make_str(pic, cstr, strlen(cstr));
|
|
}
|
|
|
|
pic_str *
|
|
pic_make_str_fill(pic_state *pic, size_t len, char fill)
|
|
{
|
|
size_t i;
|
|
char buf[len + 1];
|
|
|
|
for (i = 0; i < len; ++i) {
|
|
buf[i] = fill;
|
|
}
|
|
buf[i] = '\0';
|
|
|
|
return pic_make_str(pic, buf, len);
|
|
}
|
|
|
|
size_t
|
|
pic_strlen(pic_str *str)
|
|
{
|
|
return xr_len(str->rope);
|
|
}
|
|
|
|
char
|
|
pic_str_ref(pic_state *pic, pic_str *str, size_t i)
|
|
{
|
|
int c;
|
|
|
|
c = xr_at(str->rope, i);
|
|
if (c == -1) {
|
|
pic_errorf(pic, "index out of range %d", i);
|
|
}
|
|
return (char)c;
|
|
}
|
|
|
|
pic_str *
|
|
pic_strcat(pic_state *pic, pic_str *a, pic_str *b)
|
|
{
|
|
return make_str_rope(pic, xr_cat(a->rope, b->rope));
|
|
}
|
|
|
|
pic_str *
|
|
pic_substr(pic_state *pic, pic_str *str, size_t s, size_t e)
|
|
{
|
|
return make_str_rope(pic, xr_sub(str->rope, s, e));
|
|
}
|
|
|
|
int
|
|
pic_strcmp(pic_str *str1, pic_str *str2)
|
|
{
|
|
return strcmp(xr_cstr(str1->rope), xr_cstr(str2->rope));
|
|
}
|
|
|
|
const char *
|
|
pic_str_cstr(pic_str *str)
|
|
{
|
|
return xr_cstr(str->rope);
|
|
}
|
|
|
|
pic_value
|
|
pic_xvfformat(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 'a':
|
|
irrs = pic_cons(pic, pic_fdisplay(pic, va_arg(ap, pic_value), file), irrs);
|
|
break;
|
|
case 's':
|
|
irrs = pic_cons(pic, pic_fwrite(pic, va_arg(ap, pic_value), file), irrs);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
exit:
|
|
|
|
return pic_reverse(pic, irrs);
|
|
}
|
|
|
|
pic_value
|
|
pic_xvformat(pic_state *pic, const char *fmt, va_list ap)
|
|
{
|
|
struct pic_port *port;
|
|
pic_value irrs;
|
|
|
|
port = pic_open_output_string(pic);
|
|
|
|
irrs = pic_xvfformat(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_xformat(pic_state *pic, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
pic_value objs;
|
|
|
|
va_start(ap, fmt);
|
|
objs = pic_xvformat(pic, fmt, ap);
|
|
va_end(ap);
|
|
|
|
return objs;
|
|
}
|
|
|
|
void
|
|
pic_vfformat(pic_state *pic, xFILE *file, const char *fmt, va_list ap)
|
|
{
|
|
pic_xvfformat(pic, file, fmt, ap);
|
|
}
|
|
|
|
pic_str *
|
|
pic_vformat(pic_state *pic, const char *fmt, va_list ap)
|
|
{
|
|
struct pic_port *port;
|
|
pic_str *str;
|
|
|
|
port = pic_open_output_string(pic);
|
|
|
|
pic_vfformat(pic, port->file, fmt, ap);
|
|
str = pic_get_output_string(pic, port);
|
|
|
|
pic_close_port(pic, port);
|
|
return str;
|
|
}
|
|
|
|
pic_str *
|
|
pic_format(pic_state *pic, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
pic_str *str;
|
|
|
|
va_start(ap, fmt);
|
|
str = pic_vformat(pic, fmt, ap);
|
|
va_end(ap);
|
|
|
|
return str;
|
|
}
|
|
|
|
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_string(pic_state *pic)
|
|
{
|
|
int argc, i;
|
|
pic_value *argv;
|
|
pic_str *str;
|
|
char *buf;
|
|
|
|
pic_get_args(pic, "*", &argc, &argv);
|
|
|
|
buf = pic_alloc(pic, argc);
|
|
|
|
for (i = 0; i < argc; ++i) {
|
|
pic_assert_type(pic, argv[i], char);
|
|
buf[i] = pic_char(argv[i]);
|
|
}
|
|
|
|
str = pic_make_str(pic, buf, argc);
|
|
pic_free(pic, buf);
|
|
|
|
return pic_obj_value(str);
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_make_string(pic_state *pic)
|
|
{
|
|
int len;
|
|
char c = ' ';
|
|
|
|
pic_get_args(pic, "i|c", &len, &c);
|
|
|
|
return pic_obj_value(pic_make_str_fill(pic, len, c));
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_string_length(pic_state *pic)
|
|
{
|
|
pic_str *str;
|
|
|
|
pic_get_args(pic, "s", &str);
|
|
|
|
return pic_int_value(pic_strlen(str));
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_string_ref(pic_state *pic)
|
|
{
|
|
pic_str *str;
|
|
int k;
|
|
|
|
pic_get_args(pic, "si", &str, &k);
|
|
|
|
return pic_char_value(pic_str_ref(pic, str, k));
|
|
}
|
|
|
|
#define DEFINE_STRING_CMP(name, op) \
|
|
static pic_value \
|
|
pic_str_string_##name(pic_state *pic) \
|
|
{ \
|
|
int argc, i; \
|
|
pic_value *argv; \
|
|
\
|
|
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 (! (pic_strcmp(pic_str_ptr(argv[i-1]), pic_str_ptr(argv[i])) 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)
|
|
{
|
|
pic_str *str;
|
|
int n, start, end;
|
|
|
|
n = pic_get_args(pic, "s|ii", &str, &start, &end);
|
|
|
|
switch (n) {
|
|
case 1:
|
|
start = 0;
|
|
case 2:
|
|
end = pic_strlen(str);
|
|
}
|
|
|
|
return pic_obj_value(pic_substr(pic, str, start, end));
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_string_append(pic_state *pic)
|
|
{
|
|
int argc, i;
|
|
pic_value *argv;
|
|
pic_str *str;
|
|
|
|
pic_get_args(pic, "*", &argc, &argv);
|
|
|
|
str = pic_make_str(pic, NULL, 0);
|
|
for (i = 0; i < argc; ++i) {
|
|
if (! pic_str_p(argv[i])) {
|
|
pic_errorf(pic, "type error");
|
|
}
|
|
str = pic_strcat(pic, str, pic_str_ptr(argv[i]));
|
|
}
|
|
return pic_obj_value(str);
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_string_map(pic_state *pic)
|
|
{
|
|
struct pic_proc *proc;
|
|
int argc, i;
|
|
pic_value *argv, vals, val;
|
|
size_t len, j;
|
|
|
|
pic_get_args(pic, "l*", &proc, &argc, &argv);
|
|
|
|
len = SIZE_MAX;
|
|
for (i = 0; i < argc; ++i) {
|
|
pic_assert_type(pic, argv[i], str);
|
|
|
|
len = len < pic_strlen(pic_str_ptr(argv[i]))
|
|
? len
|
|
: pic_strlen(pic_str_ptr(argv[i]));
|
|
}
|
|
if (len == SIZE_MAX) {
|
|
pic_errorf(pic, "string-map: one or more strings expected, but got zero");
|
|
}
|
|
else {
|
|
char buf[len];
|
|
|
|
for (i = 0; i < len; ++i) {
|
|
vals = pic_nil_value();
|
|
for (j = 0; j < argc; ++j) {
|
|
pic_push(pic, pic_char_value(pic_str_ref(pic, pic_str_ptr(argv[j]), i)), vals);
|
|
}
|
|
val = pic_apply(pic, proc, vals);
|
|
|
|
pic_assert_type(pic, val, char);
|
|
buf[i] = pic_char(val);
|
|
}
|
|
|
|
return pic_obj_value(pic_make_str(pic, buf, len));
|
|
}
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_string_for_each(pic_state *pic)
|
|
{
|
|
struct pic_proc *proc;
|
|
int argc, i;
|
|
size_t len, j;
|
|
pic_value *argv, vals, val;
|
|
|
|
pic_get_args(pic, "l*", &proc, &argc, &argv);
|
|
|
|
len = SIZE_MAX;
|
|
for (i = 0; i < argc; ++i) {
|
|
pic_assert_type(pic, argv[i], str);
|
|
|
|
len = len < pic_strlen(pic_str_ptr(argv[i]))
|
|
? len
|
|
: pic_strlen(pic_str_ptr(argv[i]));
|
|
}
|
|
if (len == SIZE_MAX) {
|
|
pic_errorf(pic, "string-map: one or more strings expected, but got zero");
|
|
}
|
|
|
|
for (i = 0; i < len; ++i) {
|
|
vals = pic_nil_value();
|
|
for (j = 0; j < argc; ++j) {
|
|
pic_push(pic, pic_char_value(pic_str_ref(pic, pic_str_ptr(argv[j]), i)), vals);
|
|
}
|
|
val = pic_apply(pic, proc, vals);
|
|
}
|
|
|
|
return pic_none_value();
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_list_to_string(pic_state *pic)
|
|
{
|
|
pic_str *str;
|
|
pic_value list, e;
|
|
int i = 0;
|
|
|
|
pic_get_args(pic, "o", &list);
|
|
|
|
if (pic_length(pic, list) == 0) {
|
|
return pic_obj_value(pic_make_str(pic, NULL, 0));
|
|
} else {
|
|
char buf[pic_length(pic, list)];
|
|
|
|
pic_for_each (e, list) {
|
|
pic_assert_type(pic, e, char);
|
|
|
|
buf[i++] = pic_char(e);
|
|
}
|
|
|
|
str = pic_make_str(pic, buf, i);
|
|
|
|
return pic_obj_value(str);
|
|
}
|
|
}
|
|
|
|
static pic_value
|
|
pic_str_string_to_list(pic_state *pic)
|
|
{
|
|
pic_str *str;
|
|
pic_value list;
|
|
int n, start, end, i;
|
|
|
|
n = pic_get_args(pic, "s|ii", &str, &start, &end);
|
|
|
|
switch (n) {
|
|
case 1:
|
|
start = 0;
|
|
case 2:
|
|
end = pic_strlen(str);
|
|
}
|
|
|
|
list = pic_nil_value();
|
|
|
|
for (i = start; i < end; ++i) {
|
|
pic_push(pic, pic_char_value(pic_str_ref(pic, str, i)), list);
|
|
}
|
|
return pic_reverse(pic, list);
|
|
}
|
|
|
|
void
|
|
pic_init_str(pic_state *pic)
|
|
{
|
|
pic_defun(pic, "string?", pic_str_string_p);
|
|
pic_defun(pic, "string", pic_str_string);
|
|
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-copy", pic_str_string_copy);
|
|
pic_defun(pic, "string-append", pic_str_string_append);
|
|
pic_defun(pic, "string-map", pic_str_string_map);
|
|
pic_defun(pic, "string-for-each", pic_str_string_for_each);
|
|
pic_defun(pic, "list->string", pic_str_list_to_string);
|
|
pic_defun(pic, "string->list", pic_str_string_to_list);
|
|
|
|
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);
|
|
}
|