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#ifndef STR_H
#define STR_H
#include <string.h>
#include "stdwrm.h"
#include "dynarr.h"
typedef DYNARR(char) string;
typedef struct {
const char *s;
size_t n;
} strv_t;
#define strv(s) (strv_t) { s, strlen(s) }
#define strvs(s) (strv_t) { s, slen(s) }
string snew(void);
size_t slen(const string);
void scats(string *, strv_t);
void scatc(string *, char);
void sfree(string);
void sreplace(string *str, size_t i, size_t n, strv_t with);
string sfmt(const char *fmt, ...);
string sdup(const char *);
#ifdef STDWRM_IMPL_STR
#include <stdarg.h>
string snew(void) {
string s;
DA_INIT(s);
DA_PUSH(s, '\0');
return s;
}
size_t slen(const string s) {
return DA_LEN(s) - 1;
}
void scatc(string *s, char c) {
size_t n = DA_LEN(*s) + 1;
DA_FIT(*s, n);
(*s)[n-2] = c;
(*s)[n-1] = '\0';
DA_LEN(*s) = n;
}
void scats(string *s, strv_t sv) {
size_t n = DA_LEN(*s) + sv.n;
DA_FIT(*s, n);
memcpy(&(*s)[slen(*s)], sv.s, sv.n);
(*s)[n-1] = '\0';
DA_LEN(*s) = n;
}
void sfree(string s) {
DA_FREE(s);
}
string sfmt(const char *fmt, ...) {
va_list count, print;
string s;
FILE *f = fopen("/dev/null", "w/o");
va_start(print, fmt);
va_copy(count, print);
size_t n = vfprintf(f, fmt, count) + 1;
DA_INIT_SZ(s, n);
vsprintf(s, fmt, print);
va_end(print);
fclose(f);
return s;
}
string sdup(const char *s) {
string d;
size_t n = strlen(s) + 1;
DA_INIT_SZ(d, n);
memcpy(d, s, n);
return d;
}
void sreplace(string *str, size_t i, size_t n, strv_t with) {
string s = *str;
size_t new_n = DA_LEN(s) + with.n - n;
DA_FIT(s, new_n);
memmove(&s[i + with.n], &s[i + n], slen(s) - (i + n));
memcpy(&s[i], with.s, with.n);
s[new_n - 1] = 0;
DA_LEN(s) = new_n;
}
#endif
#endif
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