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[ruamoko] Extend the string api

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Wrap the strtod, strtof, strtol, strtoul functions, supporting the end
pointer as well (if not nil, the int offset of the end pointer relative
to the string start is returned).

Also, str_unmutable creates a return string from a mutable string
(copying it).
This commit is contained in:
Bill Currie 2023-05-27 12:30:06 +09:00
parent a22c2224e0
commit 582423a019
3 changed files with 70 additions and 0 deletions
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60
libs/ruamoko/rua_string.c
View file

@ -39,6 +39,7 @@
#endif
#include <stdlib.h>
#include <ctype.h>
#include <stdlib.h>
#include "qfalloca.h"
@ -119,6 +120,12 @@ bi_str_new (progs_t *pr, void *data)
R_STRING (pr) = PR_NewMutableString (pr);
}
static void
bi_str_unmutable (progs_t *pr, void *data)
{
RETURN_STRING (pr, P_GSTRING (pr, 0));
}
static void
bi_str_free (progs_t *pr, void *data)
{
@ -315,6 +322,54 @@ bi_str_upper (progs_t *pr, void *data)
RETURN_STRING (pr, upper);
}
static void
bi_strtod (progs_t *pr, void *data)
{
const char *str = P_GSTRING (pr, 0);
pr_type_t *end = P_GPOINTER (pr, 1);
char *end_ptr;
R_DOUBLE (pr) = strtod (str, &end_ptr);
if (end) {
end->value = end_ptr - str;
}
}
static void
bi_strtof (progs_t *pr, void *data)
{
const char *str = P_GSTRING (pr, 0);
pr_type_t *end = P_GPOINTER (pr, 1);
char *end_ptr;
R_FLOAT (pr) = strtof (str, &end_ptr);
if (end) {
end->value = end_ptr - str;
}
}
static void
bi_strtol (progs_t *pr, void *data)
{
const char *str = P_GSTRING (pr, 0);
pr_type_t *end = P_GPOINTER (pr, 1);
char *end_ptr;
R_LONG (pr) = strtol (str, &end_ptr, P_INT (pr, 2));
if (end) {
end->value = end_ptr - str;
}
}
static void
bi_strtoul (progs_t *pr, void *data)
{
const char *str = P_GSTRING (pr, 0);
pr_type_t *end = P_GPOINTER (pr, 1);
char *end_ptr;
R_ULONG (pr) = strtoul (str, &end_ptr, P_INT (pr, 2));
if (end) {
end->value = end_ptr - str;
}
}
#define bi(x,np,params...) {#x, bi_##x, -1, np, {params}}
#define p(type) PR_PARAM(type)
#define P(a, s) { .size = (s), .alignment = BITOP_LOG2 (a), }
@ -323,6 +378,7 @@ static builtin_t builtins[] = {
bi(sprintf, -2, p(string)),
bi(vsprintf, 2, p(string), P(1, 2)),
bi(str_new, 0),
bi(str_unmutable, 1, p(string)),
bi(str_free, 1, p(string)),
bi(str_hold, 1, p(string)),
bi(str_valid, 1, p(string)),
@ -337,6 +393,10 @@ static builtin_t builtins[] = {
bi(str_quote, 1, p(string)),
bi(str_lower, 1, p(string)),
bi(str_upper, 1, p(string)),
bi(strtod, 1, p(string)),
bi(strtof, 1, p(string)),
bi(strtol, 1, p(string)),
bi(strtoul, 1, p(string)),
{0}
};

5
ruamoko/include/string.h
View file

@ -5,6 +5,7 @@
@extern string sprintf (string fmt, ...);
@extern string vsprintf (string fmt, @va_list args);
@extern string str_new (void);
@extern string str_unmutable (string str);
@extern void str_free (string str);
@extern string str_hold (string str);
@extern int str_valid (string str);
@ -19,5 +20,9 @@ int str_str (string haystack, string needle);
string str_quote (string str);
string str_lower (string str);
string str_upper (string str);
double strtod (string str, int *end);
float strtof (string str, int *end);
long strtol (string str, int *end);
unsigned long strtoul (string str, int *end);
#endif//__ruamoko_string_h

5
ruamoko/lib/string.r
View file

@ -4,6 +4,7 @@ int (string s) strlen = #0;
string (string fmt, ...) sprintf = #0;
string vsprintf (string fmt, @va_list args) = #0;
string (void) str_new = #0;
string str_unmutable (string str) = #0;
void (string str) str_free = #0;
string str_hold (string str) = #0;
int str_valid (string str) = #0;
@ -18,3 +19,7 @@ int str_char (string str, int ind) = #0;
string str_quote (string str) = #0;
string str_lower (string str) = #0;
string str_upper (string str) = #0;
double strtod (string str, int *end) = #0;
float strtof (string str, int *end) = #0;
long strtol (string str, int *end) = #0;
unsigned long strtoul (string str, int *end) = #0;