105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
|
/**
|
||
|
|
* @file make_name_indices.h
|
||
|
|
* @author Ambroz Bizjak <ambrop7@gmail.com>
|
||
|
|
*
|
||
|
|
* @section LICENSE
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
* 3. Neither the name of the author nor the
|
||
|
|
* names of its contributors may be used to endorse or promote products
|
||
|
|
* derived from this software without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||
|
|
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
|
||
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef BADVPN_MAKE_NAME_INDICES_H
|
||
|
|
#define BADVPN_MAKE_NAME_INDICES_H
|
||
|
|
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <stddef.h>
|
||
|
|
|
||
|
|
#include <misc/strdup.h>
|
||
|
|
#include <misc/balloc.h>
|
||
|
|
#include <misc/debug.h>
|
||
|
|
#include <ncd/NCDStringIndex.h>
|
||
|
|
|
||
|
|
static int ncd_make_name_indices (NCDStringIndex *string_index, const char *name, NCD_string_id_t **out_varnames, size_t *out_num_names) WARN_UNUSED;
|
||
|
|
|
||
|
|
static size_t split_string_inplace2__indices (char *str, char del)
|
||
|
|
{
|
||
|
|
ASSERT(str)
|
||
|
|
|
||
|
|
size_t num_extra_parts = 0;
|
||
|
|
|
||
|
|
while (*str) {
|
||
|
|
if (*str == del) {
|
||
|
|
*str = '\0';
|
||
|
|
num_extra_parts++;
|
||
|
|
}
|
||
|
|
str++;
|
||
|
|
}
|
||
|
|
|
||
|
|
return num_extra_parts;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int ncd_make_name_indices (NCDStringIndex *string_index, const char *name, NCD_string_id_t **out_varnames, size_t *out_num_names)
|
||
|
|
{
|
||
|
|
ASSERT(string_index)
|
||
|
|
ASSERT(name)
|
||
|
|
ASSERT(out_varnames)
|
||
|
|
ASSERT(out_num_names)
|
||
|
|
|
||
|
|
char *data = b_strdup(name);
|
||
|
|
if (!data) {
|
||
|
|
goto fail0;
|
||
|
|
}
|
||
|
|
|
||
|
|
size_t num_names = split_string_inplace2__indices(data, '.') + 1;
|
||
|
|
|
||
|
|
NCD_string_id_t *varnames = BAllocArray(num_names, sizeof(varnames[0]));
|
||
|
|
if (!varnames) {
|
||
|
|
goto fail1;
|
||
|
|
}
|
||
|
|
|
||
|
|
char *cur = data;
|
||
|
|
for (size_t i = 0; i < num_names; i++) {
|
||
|
|
NCD_string_id_t id = NCDStringIndex_Get(string_index, cur);
|
||
|
|
if (id < 0) {
|
||
|
|
goto fail2;
|
||
|
|
}
|
||
|
|
|
||
|
|
varnames[i] = id;
|
||
|
|
cur += strlen(cur) + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
free(data);
|
||
|
|
|
||
|
|
*out_varnames = varnames;
|
||
|
|
*out_num_names = num_names;
|
||
|
|
return 1;
|
||
|
|
|
||
|
|
fail2:
|
||
|
|
BFree(varnames);
|
||
|
|
fail1:
|
||
|
|
free(data);
|
||
|
|
fail0:
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|