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/*
* The MIT License
*
* Wavefront Alignment Algorithms
* Copyright (c) 2017 by Santiago Marco-Sola <santiagomsola@gmail.com>
*
* This file is part of Wavefront Alignment Algorithms.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* PROJECT: Wavefront Alignment Algorithms
* AUTHOR(S): Santiago Marco-Sola <santiagomsola@gmail.com>
* VERSION: v20.08.25
* DESCRIPTION: Simple linear vector for generic type elements
*/
#ifndef VECTOR_H_
#define VECTOR_H_
#include "stdint.h"
/*
* Checkers
*/
//#define VECTOR_DEBUG
/*
* Data Structures
*/
typedef struct {
void* memory;
uint64_t used;
uint64_t element_size;
uint64_t elements_allocated;
} vector_t;
/*
* Vector Setup (Initialization & Allocation)
*/
vector_t* vector_new_(
const uint64_t num_initial_elements,
const uint64_t element_size);
#define vector_new(num_initial_elements,type) vector_new_(num_initial_elements,sizeof(type))
#define vector_clear(vector) (vector)->used=0
void vector_delete(
vector_t* const vector);
void vector_cast(
vector_t* const vector,
const uint64_t element_size);
void vector_reserve(
vector_t* const vector,
const uint64_t num_elements,
const bool zero_mem);
#define vector_reserve_additional(vector,additional) \
vector_reserve(vector,vector_get_used(vector)+(additional),false)
#define vector_prepare(vector,num_elements,type) \
vector_cast(vector,sizeof(type)); \
vector_reserve(vector,num_elements,false);
/*
* Element Getters/Setters
*/
#define vector_is_empty(vector) (vector_get_used(vector)==0)
#define vector_get_mem(vector,type) ((type*)((vector)->memory))
#define vector_get_last_elm(vector,type) (vector_get_mem(vector,type)+(vector)->used-1)
#define vector_get_free_elm(vector,type) (vector_get_mem(vector,type)+(vector)->used)
#define vector_set_elm(vector,position,type,elm) *vector_get_elm(vector,position,type) = (elm)
#ifndef VECTOR_DEBUG
#define vector_get_elm(vector,position,type) (vector_get_mem(vector,type)+position)
#else
void* vector_get_mem_element(
vector_t* const vector,
const uint64_t position,
const uint64_t element_size);
#define vector_get_elm(vector,position,type) ((type*)vector_get_mem_element(vector,position,sizeof(type)))
#endif
/*
* Used elements Getters/Setters
*/
#define vector_get_used(vector) ((vector)->used)
#define vector_set_used(vector,total_used) (vector)->used=(total_used)
#define vector_inc_used(vector) (++((vector)->used))
#define vector_dec_used(vector) (--((vector)->used))
#define vector_add_used(vector,additional) vector_set_used(vector,vector_get_used(vector)+additional)
/*
* Vector Allocate/Insert (Get a new element or Add an element to the end of the vector)
*/
#define vector_alloc_new(vector,type,return_element_pointer) { \
vector_reserve_additional(vector,1); \
return_element_pointer = vector_get_free_elm(vector,type); \
vector_inc_used(vector); \
}
#define vector_insert(vector,element,type) { \
vector_reserve_additional(vector,1); \
*(vector_get_free_elm(vector,type)) = element; \
vector_inc_used(vector); \
}
/*
* Macro generic iterator
* VECTOR_ITERATE(vector_of_ints,elm_iterator,elm_counter,int) {
* ..code..
* }
*/
#define VECTOR_ITERATE(vector,element,counter,type) \
const uint64_t vector_##element##_used = vector_get_used(vector); \
type* element = vector_get_mem(vector,type); \
uint64_t counter; \
for (counter=0;counter<vector_##element##_used;++element,++counter)
#define VECTOR_ITERATE_OFFSET(vector,element,counter,type,offset) \
const uint64_t vector_##element##_used = vector_get_used(vector); \
type* element = vector_get_mem(vector,type)+offset; \
uint64_t counter; \
for (counter=offset;counter<vector_##element##_used;++counter,++element)
/*
* Miscellaneous
*/
void vector_copy(
vector_t* const vector_to,
vector_t* const vector_from);
vector_t* vector_dup(
vector_t* const vector_src);
#endif /* VECTOR_H_ */
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