155 lines
5.3 KiB
C
155 lines
5.3 KiB
C
/**
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* @file make_fast_names.h
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* @author Ambroz Bizjak <ambrop7@gmail.com>
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*
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* @section LICENSE
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stddef.h>
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#include <misc/debug.h>
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#include <misc/merge.h>
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#include <misc/balloc.h>
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#include <ncd/NCDStringIndex.h>
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// Input parameters:
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// #define NAMES_PARAM_NAME
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// #define NAMES_PARAM_TYPE struct instance
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// #define NAMES_PARAM_MEMBER_DYNAMIC_NAMES dynamic_names
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// #define NAMES_PARAM_MEMBER_STATIC_NAMES static_names
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// #define NAMES_PARAM_MEMBER_NUM_NAMES num_names
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// #define NAMES_PARAM_NUM_STATIC_NAMES 10
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#define MakeFastNames_count_names MERGE(NAMES_PARAM_NAME, _count_names)
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#define MakeFastNames_add_name MERGE(NAMES_PARAM_NAME, _add_name)
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#define MakeFastNames_InitNames MERGE(NAMES_PARAM_NAME, _InitNames)
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#define MakeFastNames_FreeNames MERGE(NAMES_PARAM_NAME, _FreeNames)
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#define MakeFastNames_GetNames MERGE(NAMES_PARAM_NAME, _GetNames)
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static size_t MakeFastNames_count_names (const char *str, size_t str_len)
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{
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size_t count = 1;
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while (str_len > 0) {
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if (*str == '.') {
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count++;
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}
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str++;
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str_len--;
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}
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return count;
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}
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static int MakeFastNames_add_name (NAMES_PARAM_TYPE *o, NCDStringIndex *string_index, const char *str, size_t str_len, const char *remain, size_t remain_len)
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{
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ASSERT(str)
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ASSERT(!!o->NAMES_PARAM_MEMBER_DYNAMIC_NAMES == (o->NAMES_PARAM_MEMBER_NUM_NAMES > NAMES_PARAM_NUM_STATIC_NAMES))
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NCD_string_id_t id = NCDStringIndex_GetBin(string_index, str, str_len);
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if (id < 0) {
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return 0;
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}
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if (o->NAMES_PARAM_MEMBER_NUM_NAMES < NAMES_PARAM_NUM_STATIC_NAMES) {
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o->NAMES_PARAM_MEMBER_STATIC_NAMES[o->NAMES_PARAM_MEMBER_NUM_NAMES++] = id;
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return 1;
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}
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if (o->NAMES_PARAM_MEMBER_NUM_NAMES == NAMES_PARAM_NUM_STATIC_NAMES) {
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size_t num_more = (!remain ? 0 : MakeFastNames_count_names(remain, remain_len));
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size_t num_all = o->NAMES_PARAM_MEMBER_NUM_NAMES + 1 + num_more;
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if (!(o->NAMES_PARAM_MEMBER_DYNAMIC_NAMES = BAllocArray(num_all, sizeof(o->NAMES_PARAM_MEMBER_DYNAMIC_NAMES[0])))) {
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return 0;
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}
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memcpy(o->NAMES_PARAM_MEMBER_DYNAMIC_NAMES, o->NAMES_PARAM_MEMBER_STATIC_NAMES, NAMES_PARAM_NUM_STATIC_NAMES * sizeof(o->NAMES_PARAM_MEMBER_DYNAMIC_NAMES[0]));
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}
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o->NAMES_PARAM_MEMBER_DYNAMIC_NAMES[o->NAMES_PARAM_MEMBER_NUM_NAMES++] = id;
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return 1;
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}
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static int MakeFastNames_InitNames (NAMES_PARAM_TYPE *o, NCDStringIndex *string_index, const char *str, size_t str_len)
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{
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ASSERT(str)
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o->NAMES_PARAM_MEMBER_NUM_NAMES = 0;
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o->NAMES_PARAM_MEMBER_DYNAMIC_NAMES = NULL;
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size_t i = 0;
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while (i < str_len) {
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if (str[i] == '.') {
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if (!MakeFastNames_add_name(o, string_index, str, i, str + (i + 1), str_len - (i + 1))) {
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goto fail;
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}
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str += i + 1;
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str_len -= i + 1;
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i = 0;
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continue;
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}
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i++;
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}
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if (!MakeFastNames_add_name(o, string_index, str, i, NULL, 0)) {
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goto fail;
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}
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return 1;
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fail:
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BFree(o->NAMES_PARAM_MEMBER_DYNAMIC_NAMES);
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return 0;
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}
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static void MakeFastNames_FreeNames (NAMES_PARAM_TYPE *o)
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{
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if (o->NAMES_PARAM_MEMBER_DYNAMIC_NAMES) {
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BFree(o->NAMES_PARAM_MEMBER_DYNAMIC_NAMES);
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}
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}
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static NCD_string_id_t * MakeFastNames_GetNames (NAMES_PARAM_TYPE *o)
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{
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ASSERT(o->NAMES_PARAM_MEMBER_NUM_NAMES > 0)
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return (o->NAMES_PARAM_MEMBER_DYNAMIC_NAMES ? o->NAMES_PARAM_MEMBER_DYNAMIC_NAMES : o->NAMES_PARAM_MEMBER_STATIC_NAMES);
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}
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#undef MakeFastNames_count_names
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#undef MakeFastNames_add_name
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#undef MakeFastNames_InitNames
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#undef MakeFastNames_FreeNames
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#undef MakeFastNames_GetNames
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#undef NAMES_PARAM_NAME
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#undef NAMES_PARAM_TYPE
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#undef NAMES_PARAM_MEMBER_DYNAMIC_NAMES
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#undef NAMES_PARAM_MEMBER_STATIC_NAMES
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#undef NAMES_PARAM_MEMBER_NUM_NAMES
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#undef NAMES_PARAM_NUM_STATIC_NAMES
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