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/*
* Papo IRC Server
* Copyright (C) 2021 Johnny Richard
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "string_view.h"
#include <assert.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
string_view_t
string_view_new(const char *cstr, size_t size)
{
assert(cstr);
return (string_view_t) {
.size = size,
.data = cstr
};
}
string_view_t
string_view_from_cstr(const char *cstr)
{
return string_view_new(cstr, strlen(cstr));
}
bool
string_view_to_cstr(string_view_t *sv, char *ret)
{
return sprintf(ret, "%.*s", sv->size, sv->data) < 0;
}
bool
string_view_eq(string_view_t a, string_view_t b)
{
return a.size == b.size && memcmp(a.data, b.data, a.size) == 0;
}
string_view_t
string_view_chop_by_delim(string_view_t *sv, char delim)
{
size_t i = 0;
while (sv->data[i] != delim && i < sv->size) {
++i;
}
string_view_t chopped_sv = string_view_new(sv->data, i);
if (i < sv->size) {
sv->size -= i + 1;
sv->data += i + 1;
} else {
sv->size -= i;
sv->data += i;
}
return chopped_sv;
}
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