68 lines
2.8 KiB
C++
68 lines
2.8 KiB
C++
/*************************************************************************/
|
|
/* search_array.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* 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. */
|
|
/*************************************************************************/
|
|
|
|
#ifndef SEARCH_ARRAY_H
|
|
#define SEARCH_ARRAY_H
|
|
|
|
#include <core/templates/sort_array.h>
|
|
|
|
template <class T, class Comparator = _DefaultComparator<T>>
|
|
class SearchArray {
|
|
public:
|
|
Comparator compare;
|
|
|
|
inline int bisect(const T *p_array, int p_len, const T &p_value, bool p_before) const {
|
|
int lo = 0;
|
|
int hi = p_len;
|
|
if (p_before) {
|
|
while (lo < hi) {
|
|
const int mid = (lo + hi) / 2;
|
|
if (compare(p_array[mid], p_value)) {
|
|
lo = mid + 1;
|
|
} else {
|
|
hi = mid;
|
|
}
|
|
}
|
|
} else {
|
|
while (lo < hi) {
|
|
const int mid = (lo + hi) / 2;
|
|
if (compare(p_value, p_array[mid])) {
|
|
hi = mid;
|
|
} else {
|
|
lo = mid + 1;
|
|
}
|
|
}
|
|
}
|
|
return lo;
|
|
}
|
|
};
|
|
|
|
#endif // SEARCH_ARRAY_H
|