Move everything out of src folder
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Leonardo Vencovsky committed
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@@ -0,0 +1,779 @@
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/**
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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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/* Implementation Detail Functions */
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static struct CMC_DEF_NODE(SNAME) * CMC_(PFX, _impl_new_node)(struct SNAME *_set_, V value);
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static struct CMC_DEF_NODE(SNAME) * CMC_(PFX, _impl_get_node)(struct SNAME *_set_, V value);
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static unsigned char CMC_(PFX, _impl_h)(struct CMC_DEF_NODE(SNAME) * node);
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static unsigned char CMC_(PFX, _impl_hupdate)(struct CMC_DEF_NODE(SNAME) * node);
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static void CMC_(PFX, _impl_rotate_right)(struct CMC_DEF_NODE(SNAME) * *Z);
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static void CMC_(PFX, _impl_rotate_left)(struct CMC_DEF_NODE(SNAME) * *Z);
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static void CMC_(PFX, _impl_rebalance)(struct SNAME *_set_, struct CMC_DEF_NODE(SNAME) * node);
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struct SNAME *CMC_(PFX, _new)(struct CMC_DEF_FVAL(SNAME) * f_val)
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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, _new_custom)(f_val, NULL, NULL);
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}
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struct SNAME *CMC_(PFX, _new_custom)(struct CMC_DEF_FVAL(SNAME) * f_val, CMC_ALLOC_TYPE alloc,
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CMC_CALLBACK_TYPE callbacks)
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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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CMC_CALLBACKS_MAYBE_UNUSED(callbacks);
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if (!f_val)
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return NULL;
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if (!alloc)
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alloc = &cmc_alloc_node_default;
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struct SNAME *_set_ = alloc->malloc(sizeof(struct SNAME));
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if (!_set_)
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return NULL;
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_set_->count = 0;
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_set_->root = NULL;
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_set_->flag = CMC_FLAG_OK;
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_set_->f_val = f_val;
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_set_->alloc = alloc;
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CMC_CALLBACKS_ASSIGN(_set_, callbacks);
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return _set_;
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}
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void CMC_(PFX, _clear)(struct SNAME *_set_)
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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_NODE(SNAME) *scan = _set_->root;
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struct CMC_DEF_NODE(SNAME) *up = NULL;
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while (scan != NULL)
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{
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if (scan->left != NULL)
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{
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struct CMC_DEF_NODE(SNAME) *left = scan->left;
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scan->left = up;
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up = scan;
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scan = left;
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}
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else if (scan->right != NULL)
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{
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struct CMC_DEF_NODE(SNAME) *right = scan->right;
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scan->left = up;
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scan->right = NULL;
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up = scan;
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scan = right;
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}
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else
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{
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if (up == NULL)
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{
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if (_set_->f_val->free)
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_set_->f_val->free(scan->value);
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_set_->alloc->free(scan);
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scan = NULL;
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}
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while (up != NULL)
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{
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if (_set_->f_val->free)
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_set_->f_val->free(scan->value);
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_set_->alloc->free(scan);
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if (up->right != NULL)
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{
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scan = up->right;
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up->right = NULL;
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break;
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}
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else
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{
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scan = up;
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up = up->left;
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}
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}
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}
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}
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_set_->count = 0;
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_set_->root = NULL;
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_set_->flag = CMC_FLAG_OK;
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}
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void CMC_(PFX, _free)(struct SNAME *_set_)
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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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CMC_(PFX, _clear)(_set_);
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_set_->alloc->free(_set_);
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}
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void CMC_(PFX, _customize)(struct SNAME *_set_, CMC_ALLOC_TYPE alloc, CMC_CALLBACK_TYPE callbacks)
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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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CMC_CALLBACKS_MAYBE_UNUSED(callbacks);
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if (!alloc)
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_set_->alloc = &cmc_alloc_node_default;
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else
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_set_->alloc = alloc;
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CMC_CALLBACKS_ASSIGN(_set_, callbacks);
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_set_->flag = CMC_FLAG_OK;
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}
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bool CMC_(PFX, _insert)(struct SNAME *_set_, V value)
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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)(_set_))
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{
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_set_->root = CMC_(PFX, _impl_new_node)(_set_, value);
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if (!_set_->root)
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{
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_set_->flag = CMC_FLAG_ALLOC;
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CMC_CALLBACKS_CALL(_set_);
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return false;
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}
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}
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else
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{
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struct CMC_DEF_NODE(SNAME) *scan = _set_->root;
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struct CMC_DEF_NODE(SNAME) *parent = scan;
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while (scan != NULL)
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{
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parent = scan;
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if (_set_->f_val->cmp(scan->value, value) > 0)
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scan = scan->left;
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else if (_set_->f_val->cmp(scan->value, value) < 0)
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scan = scan->right;
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else
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{
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_set_->flag = CMC_FLAG_DUPLICATE;
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return false;
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}
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}
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struct CMC_DEF_NODE(SNAME) * node;
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if (_set_->f_val->cmp(parent->value, value) > 0)
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{
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parent->left = CMC_(PFX, _impl_new_node)(_set_, value);
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if (!parent->left)
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{
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_set_->flag = CMC_FLAG_ALLOC;
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CMC_CALLBACKS_CALL(_set_);
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return false;
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}
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parent->left->parent = parent;
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node = parent->left;
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}
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else
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{
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parent->right = CMC_(PFX, _impl_new_node)(_set_, value);
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if (!parent->right)
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{
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_set_->flag = CMC_FLAG_ALLOC;
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CMC_CALLBACKS_CALL(_set_);
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return false;
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}
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parent->right->parent = parent;
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node = parent->right;
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}
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CMC_(PFX, _impl_rebalance)(_set_, node);
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}
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_set_->count++;
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_set_->flag = CMC_FLAG_OK;
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CMC_CALLBACKS_CALL(_set_);
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return true;
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}
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bool CMC_(PFX, _remove)(struct SNAME *_set_, V value)
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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)(_set_))
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{
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_set_->flag = CMC_FLAG_EMPTY;
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CMC_CALLBACKS_CALL(_set_);
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return false;
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}
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struct CMC_DEF_NODE(SNAME) *node = CMC_(PFX, _impl_get_node)(_set_, value);
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if (!node)
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{
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_set_->flag = CMC_FLAG_NOT_FOUND;
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CMC_CALLBACKS_CALL(_set_);
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return false;
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}
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struct CMC_DEF_NODE(SNAME) *temp = NULL, *unbalanced = NULL;
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bool is_root = node->parent == NULL;
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if (node->left == NULL && node->right == NULL)
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{
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if (is_root)
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_set_->root = NULL;
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else
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{
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unbalanced = node->parent;
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if (node->parent->right == node)
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node->parent->right = NULL;
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else
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node->parent->left = NULL;
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}
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_set_->alloc->free(node);
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}
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else if (node->left == NULL)
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{
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if (is_root)
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{
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_set_->root = node->right;
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_set_->root->parent = NULL;
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}
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else
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{
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unbalanced = node->parent;
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node->right->parent = node->parent;
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if (node->parent->right == node)
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node->parent->right = node->right;
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else
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node->parent->left = node->right;
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}
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_set_->alloc->free(node);
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}
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else if (node->right == NULL)
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{
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if (is_root)
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{
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_set_->root = node->left;
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_set_->root->parent = NULL;
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}
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else
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{
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unbalanced = node->parent;
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node->left->parent = node->parent;
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if (node->parent->right == node)
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node->parent->right = node->left;
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else
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node->parent->left = node->left;
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}
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_set_->alloc->free(node);
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}
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else
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{
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temp = node->right;
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while (temp->left != NULL)
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temp = temp->left;
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V temp_value = temp->value;
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unbalanced = temp->parent;
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if (temp->left == NULL && temp->right == NULL)
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{
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if (temp->parent->right == temp)
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temp->parent->right = NULL;
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else
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temp->parent->left = NULL;
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}
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else if (temp->left == NULL)
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{
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temp->right->parent = temp->parent;
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if (temp->parent->right == temp)
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temp->parent->right = temp->right;
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else
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temp->parent->left = temp->right;
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}
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else if (temp->right == NULL)
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{
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temp->left->parent = temp->parent;
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if (temp->parent->right == temp)
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temp->parent->right = temp->left;
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else
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temp->parent->left = temp->left;
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}
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_set_->alloc->free(temp);
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node->value = temp_value;
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}
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if (unbalanced != NULL)
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CMC_(PFX, _impl_rebalance)(_set_, unbalanced);
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if (_set_->count == 0)
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_set_->root = NULL;
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_set_->count--;
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_set_->flag = CMC_FLAG_OK;
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CMC_CALLBACKS_CALL(_set_);
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return true;
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}
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bool CMC_(PFX, _max)(struct SNAME *_set_, V *value)
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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)(_set_))
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{
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_set_->flag = CMC_FLAG_EMPTY;
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return false;
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}
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struct CMC_DEF_NODE(SNAME) *scan = _set_->root;
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while (scan->right != NULL)
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scan = scan->right;
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if (value)
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*value = scan->value;
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_set_->flag = CMC_FLAG_OK;
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CMC_CALLBACKS_CALL(_set_);
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return true;
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}
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bool CMC_(PFX, _min)(struct SNAME *_set_, V *value)
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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)(_set_))
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{
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_set_->flag = CMC_FLAG_EMPTY;
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return false;
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}
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struct CMC_DEF_NODE(SNAME) *scan = _set_->root;
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while (scan->left != NULL)
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scan = scan->left;
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if (value)
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*value = scan->value;
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_set_->flag = CMC_FLAG_OK;
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CMC_CALLBACKS_CALL(_set_);
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return true;
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}
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bool CMC_(PFX, _contains)(struct SNAME *_set_, V value)
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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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bool result = CMC_(PFX, _impl_get_node)(_set_, value) != NULL;
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CMC_CALLBACKS_CALL(_set_);
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return result;
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}
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bool CMC_(PFX, _empty)(struct SNAME *_set_)
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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 _set_->count == 0;
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}
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size_t CMC_(PFX, _count)(struct SNAME *_set_)
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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 _set_->count;
|
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}
|
||||
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int CMC_(PFX, _flag)(struct SNAME *_set_)
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{
|
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#ifdef CMC_DEV
|
||||
CMC_DEV_FCALL;
|
||||
#endif
|
||||
|
||||
return _set_->flag;
|
||||
}
|
||||
|
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struct SNAME *CMC_(PFX, _copy_of)(struct SNAME *_set_)
|
||||
{
|
||||
#ifdef CMC_DEV
|
||||
CMC_DEV_FCALL;
|
||||
#endif
|
||||
|
||||
/* Callback will be added later */
|
||||
struct SNAME *result = CMC_(PFX, _new_custom)(_set_->f_val, _set_->alloc, NULL);
|
||||
|
||||
if (!result)
|
||||
{
|
||||
_set_->flag = CMC_FLAG_ERROR;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
struct CMC_DEF_NODE(SNAME) *root = _set_->root;
|
||||
|
||||
bool left_done = false;
|
||||
|
||||
while (root)
|
||||
{
|
||||
if (!left_done)
|
||||
{
|
||||
while (root->left)
|
||||
root = root->left;
|
||||
}
|
||||
|
||||
V value;
|
||||
|
||||
if (_set_->f_val->cpy)
|
||||
value = _set_->f_val->cpy(root->value);
|
||||
else
|
||||
value = root->value;
|
||||
|
||||
/* TODO check this for errors */
|
||||
CMC_(PFX, _insert)(result, value);
|
||||
|
||||
left_done = true;
|
||||
|
||||
if (root->right)
|
||||
{
|
||||
left_done = false;
|
||||
root = root->right;
|
||||
}
|
||||
else if (root->parent)
|
||||
{
|
||||
while (root->parent && root == root->parent->right)
|
||||
root = root->parent;
|
||||
|
||||
if (!root->parent)
|
||||
break;
|
||||
|
||||
root = root->parent;
|
||||
}
|
||||
else
|
||||
break;
|
||||
}
|
||||
|
||||
_set_->flag = CMC_FLAG_OK;
|
||||
|
||||
CMC_CALLBACKS_ASSIGN(result, _set_->callbacks);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
bool CMC_(PFX, _equals)(struct SNAME *_set1_, struct SNAME *_set2_)
|
||||
{
|
||||
#ifdef CMC_DEV
|
||||
CMC_DEV_FCALL;
|
||||
#endif
|
||||
|
||||
_set1_->flag = CMC_FLAG_OK;
|
||||
_set2_->flag = CMC_FLAG_OK;
|
||||
|
||||
if (_set1_->count != _set2_->count)
|
||||
return false;
|
||||
|
||||
struct CMC_DEF_NODE(SNAME) *root = _set1_->root;
|
||||
|
||||
bool left_done = false;
|
||||
|
||||
while (root)
|
||||
{
|
||||
if (!left_done)
|
||||
{
|
||||
while (root->left)
|
||||
root = root->left;
|
||||
}
|
||||
|
||||
/* TODO this can be optimized by doing two in-order traversals */
|
||||
struct CMC_DEF_NODE(SNAME) *node = CMC_(PFX, _impl_get_node)(_set2_, root->value);
|
||||
|
||||
if (node == NULL)
|
||||
return false;
|
||||
|
||||
left_done = true;
|
||||
|
||||
if (root->right)
|
||||
{
|
||||
left_done = false;
|
||||
root = root->right;
|
||||
}
|
||||
else if (root->parent)
|
||||
{
|
||||
while (root->parent && root == root->parent->right)
|
||||
root = root->parent;
|
||||
|
||||
if (!root->parent)
|
||||
break;
|
||||
|
||||
root = root->parent;
|
||||
}
|
||||
else
|
||||
break;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static struct CMC_DEF_NODE(SNAME) * CMC_(PFX, _impl_new_node)(struct SNAME *_set_, V value)
|
||||
{
|
||||
#ifdef CMC_DEV
|
||||
CMC_DEV_FCALL;
|
||||
#endif
|
||||
|
||||
struct CMC_DEF_NODE(SNAME) *node = _set_->alloc->malloc(sizeof(struct CMC_DEF_NODE(SNAME)));
|
||||
|
||||
if (!node)
|
||||
return NULL;
|
||||
|
||||
node->value = value;
|
||||
node->right = NULL;
|
||||
node->left = NULL;
|
||||
node->parent = NULL;
|
||||
node->height = 0;
|
||||
|
||||
return node;
|
||||
}
|
||||
|
||||
static struct CMC_DEF_NODE(SNAME) * CMC_(PFX, _impl_get_node)(struct SNAME *_set_, V value)
|
||||
{
|
||||
#ifdef CMC_DEV
|
||||
CMC_DEV_FCALL;
|
||||
#endif
|
||||
|
||||
struct CMC_DEF_NODE(SNAME) *scan = _set_->root;
|
||||
|
||||
while (scan != NULL)
|
||||
{
|
||||
if (_set_->f_val->cmp(scan->value, value) > 0)
|
||||
scan = scan->left;
|
||||
else if (_set_->f_val->cmp(scan->value, value) < 0)
|
||||
scan = scan->right;
|
||||
else
|
||||
return scan;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static unsigned char CMC_(PFX, _impl_h)(struct CMC_DEF_NODE(SNAME) * node)
|
||||
{
|
||||
#ifdef CMC_DEV
|
||||
CMC_DEV_FCALL;
|
||||
#endif
|
||||
|
||||
if (node == NULL)
|
||||
return 0;
|
||||
|
||||
return node->height;
|
||||
}
|
||||
|
||||
static unsigned char CMC_(PFX, _impl_hupdate)(struct CMC_DEF_NODE(SNAME) * node)
|
||||
{
|
||||
#ifdef CMC_DEV
|
||||
CMC_DEV_FCALL;
|
||||
#endif
|
||||
|
||||
if (node == NULL)
|
||||
return 0;
|
||||
|
||||
unsigned char h_l = CMC_(PFX, _impl_h)(node->left);
|
||||
unsigned char h_r = CMC_(PFX, _impl_h)(node->right);
|
||||
|
||||
return 1 + (h_l > h_r ? h_l : h_r);
|
||||
}
|
||||
|
||||
static void CMC_(PFX, _impl_rotate_right)(struct CMC_DEF_NODE(SNAME) * *Z)
|
||||
{
|
||||
#ifdef CMC_DEV
|
||||
CMC_DEV_FCALL;
|
||||
#endif
|
||||
|
||||
struct CMC_DEF_NODE(SNAME) *root = *Z;
|
||||
struct CMC_DEF_NODE(SNAME) *new_root = root->left;
|
||||
|
||||
if (root->parent != NULL)
|
||||
{
|
||||
if (root->parent->left == root)
|
||||
root->parent->left = new_root;
|
||||
else
|
||||
root->parent->right = new_root;
|
||||
}
|
||||
|
||||
new_root->parent = root->parent;
|
||||
|
||||
root->parent = new_root;
|
||||
root->left = new_root->right;
|
||||
|
||||
if (root->left)
|
||||
root->left->parent = root;
|
||||
|
||||
new_root->right = root;
|
||||
|
||||
root->height = CMC_(PFX, _impl_hupdate)(root);
|
||||
new_root->height = CMC_(PFX, _impl_hupdate)(new_root);
|
||||
|
||||
*Z = new_root;
|
||||
}
|
||||
|
||||
static void CMC_(PFX, _impl_rotate_left)(struct CMC_DEF_NODE(SNAME) * *Z)
|
||||
{
|
||||
#ifdef CMC_DEV
|
||||
CMC_DEV_FCALL;
|
||||
#endif
|
||||
|
||||
struct CMC_DEF_NODE(SNAME) *root = *Z;
|
||||
struct CMC_DEF_NODE(SNAME) *new_root = root->right;
|
||||
|
||||
if (root->parent != NULL)
|
||||
{
|
||||
if (root->parent->right == root)
|
||||
root->parent->right = new_root;
|
||||
else
|
||||
root->parent->left = new_root;
|
||||
}
|
||||
|
||||
new_root->parent = root->parent;
|
||||
|
||||
root->parent = new_root;
|
||||
root->right = new_root->left;
|
||||
|
||||
if (root->right)
|
||||
root->right->parent = root;
|
||||
|
||||
new_root->left = root;
|
||||
|
||||
root->height = CMC_(PFX, _impl_hupdate)(root);
|
||||
new_root->height = CMC_(PFX, _impl_hupdate)(new_root);
|
||||
|
||||
*Z = new_root;
|
||||
}
|
||||
|
||||
static void CMC_(PFX, _impl_rebalance)(struct SNAME *_set_, struct CMC_DEF_NODE(SNAME) * node)
|
||||
{
|
||||
#ifdef CMC_DEV
|
||||
CMC_DEV_FCALL;
|
||||
#endif
|
||||
|
||||
struct CMC_DEF_NODE(SNAME) *scan = node, *child = NULL;
|
||||
|
||||
int balance;
|
||||
bool is_root = false;
|
||||
|
||||
while (scan != NULL)
|
||||
{
|
||||
if (scan->parent == NULL)
|
||||
is_root = true;
|
||||
|
||||
scan->height = CMC_(PFX, _impl_hupdate)(scan);
|
||||
balance = CMC_(PFX, _impl_h)(scan->right) - CMC_(PFX, _impl_h)(scan->left);
|
||||
|
||||
if (balance >= 2)
|
||||
{
|
||||
child = scan->right;
|
||||
|
||||
if (CMC_(PFX, _impl_h)(child->right) < CMC_(PFX, _impl_h)(child->left))
|
||||
CMC_(PFX, _impl_rotate_right)(&(scan->right));
|
||||
|
||||
CMC_(PFX, _impl_rotate_left)(&scan);
|
||||
}
|
||||
else if (balance <= -2)
|
||||
{
|
||||
child = scan->left;
|
||||
|
||||
if (CMC_(PFX, _impl_h)(child->left) < CMC_(PFX, _impl_h)(child->right))
|
||||
CMC_(PFX, _impl_rotate_left)(&(scan->left));
|
||||
|
||||
CMC_(PFX, _impl_rotate_right)(&scan);
|
||||
}
|
||||
|
||||
if (is_root)
|
||||
{
|
||||
_set_->root = scan;
|
||||
is_root = false;
|
||||
}
|
||||
|
||||
scan = scan->parent;
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user