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#include "compat.h"
#define MOS_FORCE_PREFIXES
#include "moslib/string.h"
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include "moslib/ds/array.h"
MosStringSlice mos_ss_from_str(const char *str) {
return mos_ss_from_vars(str, strlen(str));
}
MosStringSlice mos_ss_copy(MosStringSlice ss) {
return mos_ss_from_vars(ss.data, ss.len);
}
MosStringSlice mos_ss_from_arr(const char *arr) {
return mos_ss_from_vars(arr, mos_arr_len(arr));
}
MosStringSlice mos_ss_from_vars(const char *str, size_t len) {
return (MosStringSlice){.data = str, .len = len};
}
void mos_ss_print(MosStringSlice ss) {
printf(MOS_SS_FMT, MOS_SS_ARGS(ss));
}
int mos_ss_eq(MosStringSlice ss1, MosStringSlice ss2) {
if (ss1.len != ss2.len)
return 0;
return memcmp(ss1.data, ss2.data, ss1.len) == 0;
}
int mos_ss_eq_str(MosStringSlice ss, const char *str) {
return mos_ss_eq(ss, mos_ss_from_str(str));
}
MosStringSlice mos_ss_trim(MosStringSlice ss) {
return mos_ss_trim_right(mos_ss_trim_left(ss));
}
MosStringSlice mos_ss_trim_left(MosStringSlice ss) {
size_t i = 0;
while (i < ss.len && isspace((unsigned char)ss.data[i])) {
i++;
}
ss.data += i;
ss.len -= i;
return ss;
}
MosStringSlice mos_ss_trim_right(MosStringSlice ss) {
size_t i = ss.len;
while (i-- > 0 && isspace((unsigned char)ss.data[i]))
;
ss.len = i + 1;
return ss;
}
int mos_ss_starts_with(MosStringSlice ss, MosStringSlice prefix) {
if (prefix.len > ss.len)
return 0;
return memcmp(ss.data, prefix.data, prefix.len) == 0;
}
int mos_ss_ends_with(MosStringSlice ss, MosStringSlice suffix) {
if (suffix.len > ss.len)
return 0;
return memcmp(ss.data + ss.len - suffix.len, suffix.data, suffix.len) == 0;
}
int mos_ss_starts_with_str(MosStringSlice ss, const char *prefix) {
return mos_ss_starts_with(ss, mos_ss_from_str(prefix));
}
int mos_ss_ends_with_str(MosStringSlice ss, const char *suffix) {
return mos_ss_ends_with(ss, mos_ss_from_str(suffix));
}
size_t mos_ss_del_left(MosStringSlice *ss, size_t n) {
if (n > ss->len)
n = ss->len;
ss->data += n;
ss->len -= n;
return n;
}
size_t mos_ss_del_right(MosStringSlice *ss, size_t n) {
if (n > ss->len)
n = ss->len;
ss->len -= n;
return n;
}
int mos_ss_del_prefix(MosStringSlice *ss, MosStringSlice prefix) {
if (!mos_ss_starts_with(*ss, prefix))
return 0;
mos_ss_del_left(ss, prefix.len);
return 1;
}
int mos_ss_del_suffix(MosStringSlice *ss, MosStringSlice suffix) {
if (!mos_ss_ends_with(*ss, suffix))
return 0;
mos_ss_del_right(ss, suffix.len);
return 1;
}
int mos_ss_del_prefix_str(MosStringSlice *ss, const char *prefix) {
return mos_ss_del_prefix(ss, mos_ss_from_str(prefix));
}
int mos_ss_del_suffix_str(MosStringSlice *ss, const char *suffix) {
return mos_ss_del_suffix(ss, mos_ss_from_str(suffix));
}
MosStringSlice mos_ss_split(MosStringSlice *ss, char delim) {
size_t i = 0;
while (i < ss->len && ss->data[i] != delim)
i++;
if (i >= ss->len) {
MosStringSlice res = mos_ss_copy(*ss);
ss->len = 0;
return res;
}
MosStringSlice res = mos_ss_from_vars(ss->data, i);
ss->data += i + 1;
ss->len -= i + 1;
return res;
}
MosStringSlice mos_ss_split_str(MosStringSlice *ss, const char *delim) {
return mos_ss_split_ss(ss, mos_ss_from_str(delim));
}
MosStringSlice mos_ss_split_ss(MosStringSlice *ss, MosStringSlice delim) {
if (delim.len == 0)
return MOS_SS_LIT("");
const char *found = memmem(ss->data, ss->len, delim.data, delim.len);
if (!found) {
MosStringSlice res = mos_ss_copy(*ss);
ss->len = 0;
return res;
}
size_t i = found - ss->data;
MosStringSlice res = mos_ss_from_vars(ss->data, i);
ss->data += i + delim.len;
ss->len -= i + delim.len;
return res;
}
MosStringSlice mos_ss_split_left(MosStringSlice *ss, size_t n) {
if (n > ss->len)
n = ss->len;
MosStringSlice left = mos_ss_from_vars(ss->data, n);
ss->data += n;
ss->len -= n;
return left;
}
MosStringSlice mos_ss_split_right(MosStringSlice *ss, size_t n) {
if (n > ss->len)
n = ss->len;
MosStringSlice right = mos_ss_from_vars(ss->data + ss->len - n, n);
ss->len -= n;
return right;
}
MosStringSlice mos_ss_find(MosStringSlice ss, MosStringSlice target) {
if (target.len == 0)
return ss;
const char *found = memmem(ss.data, ss.len, target.data, target.len);
if (!found)
return MOS_SS_LIT("");
return mos_ss_from_vars(found, ss.len - (found - ss.data));
}
MosStringSlice mos_ss_find_str(MosStringSlice ss, const char *target) {
return mos_ss_find(ss, mos_ss_from_str(target));
}
size_t mos_ss_utf8_len(MosStringSlice ss) {
size_t utf8_len = ss.len;
for (size_t i = 0; i < ss.len; i++) {
char c = ss.data[i];
if ((c & 0xC0) != 0xC0)
continue;
if ((c & 0xE0) == 0xC0)
utf8_len -= 1;
else if ((c & 0xF0) == 0xE0)
utf8_len -= 2;
else if ((c & 0xF8) == 0xF0)
utf8_len -= 3;
}
return utf8_len;
}
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