godot/core/array.cpp
Rémi Verschelde f8db8a3faa Bring that Whole New World to the Old Continent too
Applies the clang-format style to the 2.1 branch as done for master in
5dbf1809c6.
2017-03-19 00:36:26 +01:00

308 lines
6.6 KiB
C++

/*************************************************************************/
/* array.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/*************************************************************************/
#include "array.h"
#include "hashfuncs.h"
#include "object.h"
#include "variant.h"
#include "vector.h"
struct ArrayPrivate {
SafeRefCount refcount;
Vector<Variant> array;
bool shared;
};
void Array::_ref(const Array &p_from) const {
ArrayPrivate *_fp = p_from._p;
ERR_FAIL_COND(!_fp); // should NOT happen.
if (_fp == _p)
return; //wathever it is, nothing to do here move along
bool success = _fp->refcount.ref();
ERR_FAIL_COND(!success); //should really not happen either
_unref();
if (_fp->shared) {
_p = p_from._p;
} else {
_p = memnew(ArrayPrivate);
_p->shared = false;
_p->refcount.init();
_p->array = _fp->array;
if (_fp->refcount.unref())
memdelete(_fp);
}
}
void Array::_unref() const {
if (!_p)
return;
if (_p->refcount.unref()) {
memdelete(_p);
}
_p = NULL;
}
Variant &Array::operator[](int p_idx) {
return _p->array[p_idx];
}
const Variant &Array::operator[](int p_idx) const {
return _p->array[p_idx];
}
int Array::size() const {
return _p->array.size();
}
bool Array::empty() const {
return _p->array.empty();
}
void Array::clear() {
_p->array.clear();
}
bool Array::is_shared() const {
return _p->shared;
}
bool Array::operator==(const Array &p_array) const {
return _p == p_array._p;
}
uint32_t Array::hash() const {
uint32_t h = hash_djb2_one_32(0);
for (int i = 0; i < _p->array.size(); i++) {
h = hash_djb2_one_32(_p->array[i].hash(), h);
}
return h;
}
void Array::operator=(const Array &p_array) {
_ref(p_array);
}
void Array::push_back(const Variant &p_value) {
_p->array.push_back(p_value);
}
Error Array::resize(int p_new_size) {
return _p->array.resize(p_new_size);
}
void Array::insert(int p_pos, const Variant &p_value) {
_p->array.insert(p_pos, p_value);
}
void Array::erase(const Variant &p_value) {
_p->array.erase(p_value);
}
Variant Array::front() const {
ERR_FAIL_COND_V(_p->array.size() == 0, Variant());
return operator[](0);
}
Variant Array::back() const {
ERR_FAIL_COND_V(_p->array.size() == 0, Variant());
return operator[](_p->array.size() - 1);
}
int Array::find(const Variant &p_value, int p_from) const {
return _p->array.find(p_value, p_from);
}
int Array::rfind(const Variant &p_value, int p_from) const {
if (_p->array.size() == 0)
return -1;
if (p_from < 0) {
// Relative offset from the end
p_from = _p->array.size() + p_from;
}
if (p_from < 0 || p_from >= _p->array.size()) {
// Limit to array boundaries
p_from = _p->array.size() - 1;
}
for (int i = p_from; i >= 0; i--) {
if (_p->array[i] == p_value) {
return i;
};
};
return -1;
}
int Array::find_last(const Variant &p_value) const {
return rfind(p_value);
}
int Array::count(const Variant &p_value) const {
if (_p->array.size() == 0)
return 0;
int amount = 0;
for (int i = 0; i < _p->array.size(); i++) {
if (_p->array[i] == p_value) {
amount++;
};
};
return amount;
}
bool Array::has(const Variant &p_value) const {
return _p->array.find(p_value, 0) != -1;
}
void Array::remove(int p_pos) {
_p->array.remove(p_pos);
}
void Array::set(int p_idx, const Variant &p_value) {
operator[](p_idx) = p_value;
}
const Variant &Array::get(int p_idx) const {
return operator[](p_idx);
}
struct _ArrayVariantSort {
_FORCE_INLINE_ bool operator()(const Variant &p_l, const Variant &p_r) const {
bool valid = false;
Variant res;
Variant::evaluate(Variant::OP_LESS, p_l, p_r, res, valid);
if (!valid)
res = false;
return res;
}
};
void Array::sort() {
_p->array.sort_custom<_ArrayVariantSort>();
}
struct _ArrayVariantSortCustom {
Object *obj;
StringName func;
_FORCE_INLINE_ bool operator()(const Variant &p_l, const Variant &p_r) const {
const Variant *args[2] = { &p_l, &p_r };
Variant::CallError err;
bool res = obj->call(func, args, 2, err);
if (err.error != Variant::CallError::CALL_OK)
res = false;
return res;
}
};
void Array::sort_custom(Object *p_obj, const StringName &p_function) {
ERR_FAIL_NULL(p_obj);
SortArray<Variant, _ArrayVariantSortCustom> avs;
avs.compare.obj = p_obj;
avs.compare.func = p_function;
avs.sort(_p->array.ptr(), _p->array.size());
}
void Array::invert() {
_p->array.invert();
}
void Array::push_front(const Variant &p_value) {
_p->array.insert(0, p_value);
}
void Array::pop_back() {
if (!_p->array.empty())
_p->array.resize(_p->array.size() - 1);
}
void Array::pop_front() {
if (!_p->array.empty())
_p->array.remove(0);
}
Array::Array(const Array &p_from) {
_p = NULL;
_ref(p_from);
}
Array::Array(bool p_shared) {
_p = memnew(ArrayPrivate);
_p->refcount.init();
_p->shared = p_shared;
}
Array::~Array() {
_unref();
}