743 lines
17 KiB
C
743 lines
17 KiB
C
/**
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* Copyright (c) 2019 Leonardo Vencovsky
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*
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* This file is part of the C Macro Collections Library.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/**
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* INIT
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*
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* The part 'INIT' gives a new way of initializing a collection. The collection
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* struct is not heap allocated, only its internal structure (nodes, buffers).
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*/
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#ifdef CMC_EXT_INIT
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#endif /* CMC_EXT_INIT */
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/**
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* ITER
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*
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* List bi-directional iterator.
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*/
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#ifdef CMC_EXT_ITER
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struct CMC_DEF_ITER(SNAME) CMC_(PFX, _iter_start)(struct SNAME *target)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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struct CMC_DEF_ITER(SNAME) iter;
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iter.target = target;
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iter.cursor = 0;
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iter.index = 0;
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iter.first = 0;
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iter.last = 0;
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iter.start = true;
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iter.end = CMC_(PFX, _empty)(target);
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if (!CMC_(PFX, _empty)(target))
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{
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for (size_t i = 0; i < target->capacity; i++)
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{
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if (target->buffer[i].state == CMC_ES_FILLED)
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{
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iter.first = i;
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break;
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}
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}
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iter.cursor = iter.first;
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for (size_t i = target->capacity; i > 0; i--)
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{
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if (target->buffer[i - 1].state == CMC_ES_FILLED)
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{
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iter.last = i - 1;
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break;
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}
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}
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}
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return iter;
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}
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struct CMC_DEF_ITER(SNAME) CMC_(PFX, _iter_end)(struct SNAME *target)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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struct CMC_DEF_ITER(SNAME) iter;
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iter.target = target;
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iter.cursor = 0;
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iter.index = 0;
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iter.first = 0;
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iter.last = 0;
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iter.start = CMC_(PFX, _empty)(target);
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iter.end = true;
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if (!CMC_(PFX, _empty)(target))
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{
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for (size_t i = 0; i < target->capacity; i++)
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{
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if (target->buffer[i].state == CMC_ES_FILLED)
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{
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iter.first = i;
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break;
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}
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}
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for (size_t i = target->capacity; i > 0; i--)
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{
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if (target->buffer[i - 1].state == CMC_ES_FILLED)
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{
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iter.last = i - 1;
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break;
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}
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}
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iter.cursor = iter.last;
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iter.index = target->count - 1;
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}
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return iter;
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}
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bool CMC_(PFX, _iter_at_start)(struct CMC_DEF_ITER(SNAME) * iter)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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return CMC_(PFX, _empty)(iter->target) || iter->start;
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}
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bool CMC_(PFX, _iter_at_end)(struct CMC_DEF_ITER(SNAME) * iter)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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return CMC_(PFX, _empty)(iter->target) || iter->end;
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}
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bool CMC_(PFX, _iter_to_start)(struct CMC_DEF_ITER(SNAME) * iter)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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if (!CMC_(PFX, _empty)(iter->target))
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{
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iter->cursor = iter->first;
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iter->index = 0;
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iter->start = true;
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iter->end = CMC_(PFX, _empty)(iter->target);
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return true;
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}
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return false;
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}
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bool CMC_(PFX, _iter_to_end)(struct CMC_DEF_ITER(SNAME) * iter)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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if (!CMC_(PFX, _empty)(iter->target))
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{
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iter->cursor = iter->last;
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iter->index = iter->target->count - 1;
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iter->start = CMC_(PFX, _empty)(iter->target);
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iter->end = true;
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return true;
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}
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return false;
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}
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bool CMC_(PFX, _iter_next)(struct CMC_DEF_ITER(SNAME) * iter)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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if (iter->end)
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return false;
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if (iter->index + 1 == iter->target->count)
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{
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iter->end = true;
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return false;
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}
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iter->start = CMC_(PFX, _empty)(iter->target);
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struct CMC_DEF_ENTRY(SNAME) *scan = &(iter->target->buffer[iter->cursor]);
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iter->index++;
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while (1)
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{
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iter->cursor++;
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scan = &(iter->target->buffer[iter->cursor]);
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if (scan->state == CMC_ES_FILLED)
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break;
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}
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return true;
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}
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bool CMC_(PFX, _iter_prev)(struct CMC_DEF_ITER(SNAME) * iter)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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if (iter->start)
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return false;
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if (iter->index == 0)
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{
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iter->start = true;
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return false;
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}
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iter->end = CMC_(PFX, _empty)(iter->target);
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struct CMC_DEF_ENTRY(SNAME) *scan = &(iter->target->buffer[iter->cursor]);
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iter->index--;
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while (1)
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{
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iter->cursor--;
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scan = &(iter->target->buffer[iter->cursor]);
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if (scan->state == CMC_ES_FILLED)
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break;
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}
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return true;
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}
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/* Returns true only if the iterator moved */
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bool CMC_(PFX, _iter_advance)(struct CMC_DEF_ITER(SNAME) * iter, size_t steps)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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if (iter->end)
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return false;
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if (iter->index + 1 == iter->target->count)
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{
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iter->end = true;
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return false;
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}
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if (steps == 0 || iter->index + steps >= iter->target->count)
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return false;
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for (size_t i = 0; i < steps; i++)
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CMC_(PFX, _iter_next)(iter);
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return true;
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}
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/* Returns true only if the iterator moved */
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bool CMC_(PFX, _iter_rewind)(struct CMC_DEF_ITER(SNAME) * iter, size_t steps)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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if (iter->start)
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return false;
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if (iter->index == 0)
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{
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iter->start = true;
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return false;
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}
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if (steps == 0 || iter->index < steps)
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return false;
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for (size_t i = 0; i < steps; i++)
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CMC_(PFX, _iter_prev)(iter);
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return true;
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}
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/* Returns true only if the iterator was able to be positioned at the */
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/* given index */
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bool CMC_(PFX, _iter_go_to)(struct CMC_DEF_ITER(SNAME) * iter, size_t index)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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if (index >= iter->target->count)
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return false;
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if (iter->index > index)
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return CMC_(PFX, _iter_rewind)(iter, iter->index - index);
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else if (iter->index < index)
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return CMC_(PFX, _iter_advance)(iter, index - iter->index);
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return true;
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}
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V CMC_(PFX, _iter_value)(struct CMC_DEF_ITER(SNAME) * iter)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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if (CMC_(PFX, _empty)(iter->target))
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return (V){ 0 };
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return iter->target->buffer[iter->cursor].value;
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}
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size_t CMC_(PFX, _iter_multiplicity)(struct CMC_DEF_ITER(SNAME) * iter)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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if (CMC_(PFX, _empty)(iter->target))
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return 0;
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return iter->target->buffer[iter->cursor].multiplicity;
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}
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size_t CMC_(PFX, _iter_index)(struct CMC_DEF_ITER(SNAME) * iter)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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return iter->index;
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}
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#endif /* CMC_EXT_ITER */
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/**
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* SETF
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*
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* Set functions
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*/
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#ifdef CMC_EXT_SETF
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/* Implementation detail function */
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static size_t CMC_(PFX, _impl_multiplicity_of)(struct SNAME *_set_, V value);
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struct SNAME *CMC_(PFX, _union)(struct SNAME *_set1_, struct SNAME *_set2_)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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/* Callbacks are added later */
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struct SNAME *_set_r_ = CMC_(PFX, _new_custom)(_set1_->capacity, _set1_->load, _set1_->f_val, _set1_->alloc, NULL);
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if (!_set_r_)
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return NULL;
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struct CMC_DEF_ITER(SNAME) iter1 = CMC_(PFX, _iter_start)(_set1_);
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struct CMC_DEF_ITER(SNAME) iter2 = CMC_(PFX, _iter_start)(_set2_);
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for (; !CMC_(PFX, _iter_at_end)(&iter1); CMC_(PFX, _iter_next)(&iter1))
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{
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V value = CMC_(PFX, _iter_value)(&iter1);
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size_t m1 = CMC_(PFX, _iter_multiplicity)(&iter1);
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size_t m2 = CMC_(PFX, _impl_multiplicity_of)(_set2_, value);
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size_t max_ = m1 > m2 ? m1 : m2;
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CMC_(PFX, _update)(_set_r_, value, max_);
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}
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for (; !CMC_(PFX, _iter_at_end)(&iter2); CMC_(PFX, _iter_next)(&iter2))
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{
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V value = CMC_(PFX, _iter_value)(&iter2);
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size_t m1 = CMC_(PFX, _impl_multiplicity_of)(_set1_, value);
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size_t m2 = CMC_(PFX, _iter_multiplicity)(&iter2);
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size_t max_ = m1 > m2 ? m1 : m2;
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CMC_(PFX, _update)(_set_r_, value, max_);
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}
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CMC_CALLBACKS_ASSIGN(_set_r_, _set1_->callbacks);
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return _set_r_;
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}
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struct SNAME *CMC_(PFX, _intersection)(struct SNAME *_set1_, struct SNAME *_set2_)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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/* Callbacks are added later */
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struct SNAME *_set_r_ = CMC_(PFX, _new_custom)(_set1_->capacity, _set1_->load, _set1_->f_val, _set1_->alloc, NULL);
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if (!_set_r_)
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return NULL;
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struct SNAME *_set_A_ = _set1_->count < _set2_->count ? _set1_ : _set2_;
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struct SNAME *_set_B_ = _set_A_ == _set1_ ? _set2_ : _set1_;
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struct CMC_DEF_ITER(SNAME) iter = CMC_(PFX, _iter_start)(_set_A_);
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for (; !CMC_(PFX, _iter_at_end)(&iter); CMC_(PFX, _iter_next)(&iter))
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{
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V value = CMC_(PFX, _iter_value)(&iter);
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size_t m1 = CMC_(PFX, _iter_multiplicity)(&iter);
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size_t m2 = CMC_(PFX, _impl_multiplicity_of)(_set_B_, value);
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size_t max_ = m1 < m2 ? m1 : m2;
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CMC_(PFX, _update)(_set_r_, value, max_);
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}
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CMC_CALLBACKS_ASSIGN(_set_r_, _set1_->callbacks);
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return _set_r_;
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}
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struct SNAME *CMC_(PFX, _difference)(struct SNAME *_set1_, struct SNAME *_set2_)
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{
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
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/* Callbacks are added later */
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struct SNAME *_set_r_ = CMC_(PFX, _new_custom)(_set1_->capacity, _set1_->load, _set1_->f_val, _set1_->alloc, NULL);
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if (!_set_r_)
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return NULL;
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struct CMC_DEF_ITER(SNAME) iter = CMC_(PFX, _iter_start)(_set1_);
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for (; !CMC_(PFX, _iter_at_end)(&iter); CMC_(PFX, _iter_next)(&iter))
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{
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V value = CMC_(PFX, _iter_value)(&iter);
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size_t m1 = CMC_(PFX, _iter_multiplicity)(&iter);
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size_t m2 = CMC_(PFX, _impl_multiplicity_of)(_set2_, value);
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if (m1 > m2)
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CMC_(PFX, _update)(_set_r_, value, m1 - m2);
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}
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CMC_CALLBACKS_ASSIGN(_set_r_, _set1_->callbacks);
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return _set_r_;
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}
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struct SNAME *CMC_(PFX, _summation)(struct SNAME *_set1_, struct SNAME *_set2_)
|
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{
|
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#ifdef CMC_DEV
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CMC_DEV_FCALL;
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#endif
|
|
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/* Callbacks are added later */
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struct SNAME *_set_r_ = CMC_(PFX, _new_custom)(_set1_->capacity, _set1_->load, _set1_->f_val, _set1_->alloc, NULL);
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if (!_set_r_)
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return NULL;
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struct CMC_DEF_ITER(SNAME) iter1 = CMC_(PFX, _iter_start)(_set1_);
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struct CMC_DEF_ITER(SNAME) iter2 = CMC_(PFX, _iter_start)(_set2_);
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for (; !CMC_(PFX, _iter_at_end)(&iter1); CMC_(PFX, _iter_next)(&iter1))
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{
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CMC_(PFX, _insert_many)
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(_set_r_, CMC_(PFX, _iter_value)(&iter1), CMC_(PFX, _iter_multiplicity)(&iter1));
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}
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for (; !CMC_(PFX, _iter_at_end)(&iter2); CMC_(PFX, _iter_next)(&iter2))
|
|
{
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|
CMC_(PFX, _insert_many)
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(_set_r_, CMC_(PFX, _iter_value)(&iter2), CMC_(PFX, _iter_multiplicity)(&iter2));
|
|
}
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|
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CMC_CALLBACKS_ASSIGN(_set_r_, _set1_->callbacks);
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return _set_r_;
|
|
}
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|
|
|
struct SNAME *CMC_(PFX, _symmetric_difference)(struct SNAME *_set1_, struct SNAME *_set2_)
|
|
{
|
|
#ifdef CMC_DEV
|
|
CMC_DEV_FCALL;
|
|
#endif
|
|
|
|
/* Callbacks are added later */
|
|
struct SNAME *_set_r_ = CMC_(PFX, _new_custom)(_set1_->capacity, _set1_->load, _set1_->f_val, _set1_->alloc, NULL);
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|
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if (!_set_r_)
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return NULL;
|
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struct CMC_DEF_ITER(SNAME) iter1 = CMC_(PFX, _iter_start)(_set1_);
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struct CMC_DEF_ITER(SNAME) iter2 = CMC_(PFX, _iter_start)(_set2_);
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for (; !CMC_(PFX, _iter_at_end)(&iter1); CMC_(PFX, _iter_next)(&iter1))
|
|
{
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V value = CMC_(PFX, _iter_value)(&iter1);
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|
|
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size_t m1 = CMC_(PFX, _iter_multiplicity)(&iter1);
|
|
size_t m2 = CMC_(PFX, _impl_multiplicity_of)(_set2_, value);
|
|
|
|
if (m1 != m2)
|
|
{
|
|
if (m1 > m2)
|
|
CMC_(PFX, _update)(_set_r_, value, m1 - m2);
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|
else
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|
CMC_(PFX, _update)(_set_r_, value, m2 - m1);
|
|
}
|
|
}
|
|
|
|
for (; !CMC_(PFX, _iter_at_end)(&iter2); CMC_(PFX, _iter_next)(&iter2))
|
|
{
|
|
V value = CMC_(PFX, _iter_value)(&iter2);
|
|
|
|
size_t m1 = CMC_(PFX, _impl_multiplicity_of)(_set1_, value);
|
|
size_t m2 = CMC_(PFX, _iter_multiplicity)(&iter2);
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|
|
|
if (m1 != m2)
|
|
{
|
|
if (m1 > m2)
|
|
CMC_(PFX, _update)(_set_r_, value, m1 - m2);
|
|
else
|
|
CMC_(PFX, _update)(_set_r_, value, m2 - m1);
|
|
}
|
|
}
|
|
|
|
CMC_CALLBACKS_ASSIGN(_set_r_, _set1_->callbacks);
|
|
|
|
return _set_r_;
|
|
}
|
|
|
|
bool CMC_(PFX, _is_subset)(struct SNAME *_set1_, struct SNAME *_set2_)
|
|
{
|
|
#ifdef CMC_DEV
|
|
CMC_DEV_FCALL;
|
|
#endif
|
|
|
|
if (_set1_->count > _set2_->count)
|
|
return false;
|
|
|
|
if (CMC_(PFX, _empty)(_set1_))
|
|
return true;
|
|
|
|
struct CMC_DEF_ITER(SNAME) iter = CMC_(PFX, _iter_start)(_set1_);
|
|
|
|
for (; !CMC_(PFX, _iter_at_end)(&iter); CMC_(PFX, _iter_next)(&iter))
|
|
{
|
|
V value = CMC_(PFX, _iter_value)(&iter);
|
|
|
|
size_t m1 = CMC_(PFX, _iter_multiplicity)(&iter);
|
|
size_t m2 = CMC_(PFX, _impl_multiplicity_of)(_set2_, value);
|
|
|
|
if (m1 > m2)
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CMC_(PFX, _is_superset)(struct SNAME *_set1_, struct SNAME *_set2_)
|
|
{
|
|
#ifdef CMC_DEV
|
|
CMC_DEV_FCALL;
|
|
#endif
|
|
|
|
return CMC_(PFX, _is_subset)(_set2_, _set1_);
|
|
}
|
|
|
|
bool CMC_(PFX, _is_proper_subset)(struct SNAME *_set1_, struct SNAME *_set2_)
|
|
{
|
|
#ifdef CMC_DEV
|
|
CMC_DEV_FCALL;
|
|
#endif
|
|
|
|
if (_set1_->count >= _set2_->count)
|
|
return false;
|
|
|
|
if (CMC_(PFX, _empty)(_set1_))
|
|
{
|
|
if (!CMC_(PFX, _empty)(_set2_))
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
struct CMC_DEF_ITER(SNAME) iter = CMC_(PFX, _iter_start)(_set1_);
|
|
|
|
for (; !CMC_(PFX, _iter_at_end)(&iter); CMC_(PFX, _iter_next)(&iter))
|
|
{
|
|
V value = CMC_(PFX, _iter_value)(&iter);
|
|
|
|
size_t m1 = CMC_(PFX, _iter_multiplicity)(&iter);
|
|
size_t m2 = CMC_(PFX, _impl_multiplicity_of)(_set2_, value);
|
|
|
|
if (m1 >= m2)
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CMC_(PFX, _is_proper_superset)(struct SNAME *_set1_, struct SNAME *_set2_)
|
|
{
|
|
#ifdef CMC_DEV
|
|
CMC_DEV_FCALL;
|
|
#endif
|
|
|
|
return CMC_(PFX, _is_proper_subset)(_set2_, _set1_);
|
|
}
|
|
|
|
bool CMC_(PFX, _is_disjointset)(struct SNAME *_set1_, struct SNAME *_set2_)
|
|
{
|
|
#ifdef CMC_DEV
|
|
CMC_DEV_FCALL;
|
|
#endif
|
|
|
|
if (CMC_(PFX, _empty)(_set1_))
|
|
return true;
|
|
|
|
struct CMC_DEF_ITER(SNAME) iter = CMC_(PFX, _iter_start)(_set1_);
|
|
|
|
for (; !CMC_(PFX, _iter_at_end)(&iter); CMC_(PFX, _iter_next)(&iter))
|
|
{
|
|
V value = CMC_(PFX, _iter_value)(&iter);
|
|
|
|
if (CMC_(PFX, _impl_get_entry)(_set2_, value) != NULL)
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static size_t CMC_(PFX, _impl_multiplicity_of)(struct SNAME *_set_, V value)
|
|
{
|
|
#ifdef CMC_DEV
|
|
CMC_DEV_FCALL;
|
|
#endif
|
|
|
|
struct CMC_DEF_ENTRY(SNAME) *entry = CMC_(PFX, _impl_get_entry)(_set_, value);
|
|
|
|
if (!entry)
|
|
return 0;
|
|
|
|
return entry->multiplicity;
|
|
}
|
|
|
|
#endif /* CMC_EXT_SETF */
|
|
|
|
/**
|
|
* STR
|
|
*
|
|
* Print helper functions.
|
|
*/
|
|
#ifdef CMC_EXT_STR
|
|
|
|
bool CMC_(PFX, _to_string)(struct SNAME *_set_, FILE *fptr)
|
|
{
|
|
#ifdef CMC_DEV
|
|
CMC_DEV_FCALL;
|
|
#endif
|
|
|
|
struct SNAME *s_ = _set_;
|
|
|
|
return 0 <= fprintf(fptr,
|
|
"struct %s<%s> "
|
|
"at %p { "
|
|
"buffer:%p, "
|
|
"capacity:%" PRIuMAX ", "
|
|
"count:%" PRIuMAX ", "
|
|
"cardinality:%" PRIuMAX ", "
|
|
"load:%lf, "
|
|
"flag:%d, "
|
|
"f_val:%p, "
|
|
"alloc:%p, "
|
|
"callbacks:%p }",
|
|
CMC_TO_STRING(SNAME), CMC_TO_STRING(V), s_, s_->buffer, s_->capacity, s_->count,
|
|
s_->cardinality, s_->load, s_->flag, s_->f_val, s_->alloc, CMC_CALLBACKS_GET(s_));
|
|
}
|
|
|
|
bool CMC_(PFX, _print)(struct SNAME *_set_, FILE *fptr, const char *start, const char *separator, const char *end,
|
|
const char *val_mul_sep)
|
|
{
|
|
#ifdef CMC_DEV
|
|
CMC_DEV_FCALL;
|
|
#endif
|
|
|
|
fprintf(fptr, "%s", start);
|
|
|
|
size_t last = 0;
|
|
for (size_t i = _set_->capacity; i > 0; i--)
|
|
{
|
|
if ((_set_->buffer[i - 1]).state == CMC_ES_FILLED)
|
|
{
|
|
last = i - 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (size_t i = 0; i < _set_->capacity; i++)
|
|
{
|
|
struct CMC_DEF_ENTRY(SNAME) *entry = &(_set_->buffer[i]);
|
|
|
|
if (entry->state == CMC_ES_FILLED)
|
|
{
|
|
if (!_set_->f_val->str(fptr, entry->value))
|
|
return false;
|
|
|
|
fprintf(fptr, "%s", val_mul_sep);
|
|
|
|
if (fprintf(fptr, "%" PRIuMAX "", entry->multiplicity) < 0)
|
|
return false;
|
|
|
|
if (i + 1 < last)
|
|
fprintf(fptr, "%s", separator);
|
|
}
|
|
}
|
|
|
|
fprintf(fptr, "%s", end);
|
|
|
|
return true;
|
|
}
|
|
|
|
#endif /* CMC_EXT_STR */
|