mirror of
https://github.com/godotengine/godot.git
synced 2024-12-15 15:42:46 +00:00
a7f49ac9a1
Happy new year to the wonderful Godot community! We're starting a new decade with a well-established, non-profit, free and open source game engine, and tons of further improvements in the pipeline from hundreds of contributors. Godot will keep getting better, and we're looking forward to all the games that the community will keep developing and releasing with it.
424 lines
8.7 KiB
C++
424 lines
8.7 KiB
C++
/*************************************************************************/
|
|
/* string_name.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2020 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. */
|
|
/*************************************************************************/
|
|
|
|
#include "string_name.h"
|
|
|
|
#include "core/os/os.h"
|
|
#include "core/print_string.h"
|
|
|
|
StaticCString StaticCString::create(const char *p_ptr) {
|
|
StaticCString scs;
|
|
scs.ptr = p_ptr;
|
|
return scs;
|
|
}
|
|
|
|
StringName::_Data *StringName::_table[STRING_TABLE_LEN];
|
|
|
|
StringName _scs_create(const char *p_chr) {
|
|
|
|
return (p_chr[0] ? StringName(StaticCString::create(p_chr)) : StringName());
|
|
}
|
|
|
|
bool StringName::configured = false;
|
|
Mutex *StringName::lock = NULL;
|
|
|
|
void StringName::setup() {
|
|
|
|
lock = Mutex::create();
|
|
|
|
ERR_FAIL_COND(configured);
|
|
for (int i = 0; i < STRING_TABLE_LEN; i++) {
|
|
|
|
_table[i] = NULL;
|
|
}
|
|
configured = true;
|
|
}
|
|
|
|
void StringName::cleanup() {
|
|
|
|
lock->lock();
|
|
|
|
int lost_strings = 0;
|
|
for (int i = 0; i < STRING_TABLE_LEN; i++) {
|
|
|
|
while (_table[i]) {
|
|
|
|
_Data *d = _table[i];
|
|
lost_strings++;
|
|
if (OS::get_singleton()->is_stdout_verbose()) {
|
|
if (d->cname) {
|
|
print_line("Orphan StringName: " + String(d->cname));
|
|
} else {
|
|
print_line("Orphan StringName: " + String(d->name));
|
|
}
|
|
}
|
|
|
|
_table[i] = _table[i]->next;
|
|
memdelete(d);
|
|
}
|
|
}
|
|
if (lost_strings) {
|
|
print_verbose("StringName: " + itos(lost_strings) + " unclaimed string names at exit.");
|
|
}
|
|
lock->unlock();
|
|
|
|
memdelete(lock);
|
|
}
|
|
|
|
void StringName::unref() {
|
|
|
|
ERR_FAIL_COND(!configured);
|
|
|
|
if (_data && _data->refcount.unref()) {
|
|
|
|
lock->lock();
|
|
|
|
if (_data->prev) {
|
|
_data->prev->next = _data->next;
|
|
} else {
|
|
if (_table[_data->idx] != _data) {
|
|
ERR_PRINT("BUG!");
|
|
}
|
|
_table[_data->idx] = _data->next;
|
|
}
|
|
|
|
if (_data->next) {
|
|
_data->next->prev = _data->prev;
|
|
}
|
|
memdelete(_data);
|
|
lock->unlock();
|
|
}
|
|
|
|
_data = NULL;
|
|
}
|
|
|
|
bool StringName::operator==(const String &p_name) const {
|
|
|
|
if (!_data) {
|
|
|
|
return (p_name.length() == 0);
|
|
}
|
|
|
|
return (_data->get_name() == p_name);
|
|
}
|
|
|
|
bool StringName::operator==(const char *p_name) const {
|
|
|
|
if (!_data) {
|
|
|
|
return (p_name[0] == 0);
|
|
}
|
|
|
|
return (_data->get_name() == p_name);
|
|
}
|
|
|
|
bool StringName::operator!=(const String &p_name) const {
|
|
|
|
return !(operator==(p_name));
|
|
}
|
|
|
|
bool StringName::operator!=(const StringName &p_name) const {
|
|
|
|
// the real magic of all this mess happens here.
|
|
// this is why path comparisons are very fast
|
|
return _data != p_name._data;
|
|
}
|
|
|
|
void StringName::operator=(const StringName &p_name) {
|
|
|
|
if (this == &p_name)
|
|
return;
|
|
|
|
unref();
|
|
|
|
if (p_name._data && p_name._data->refcount.ref()) {
|
|
|
|
_data = p_name._data;
|
|
}
|
|
}
|
|
|
|
StringName::StringName(const StringName &p_name) {
|
|
|
|
_data = NULL;
|
|
|
|
ERR_FAIL_COND(!configured);
|
|
|
|
if (p_name._data && p_name._data->refcount.ref()) {
|
|
_data = p_name._data;
|
|
}
|
|
}
|
|
|
|
StringName::StringName(const char *p_name) {
|
|
|
|
_data = NULL;
|
|
|
|
ERR_FAIL_COND(!configured);
|
|
|
|
if (!p_name || p_name[0] == 0)
|
|
return; //empty, ignore
|
|
|
|
lock->lock();
|
|
|
|
uint32_t hash = String::hash(p_name);
|
|
|
|
uint32_t idx = hash & STRING_TABLE_MASK;
|
|
|
|
_data = _table[idx];
|
|
|
|
while (_data) {
|
|
|
|
// compare hash first
|
|
if (_data->hash == hash && _data->get_name() == p_name)
|
|
break;
|
|
_data = _data->next;
|
|
}
|
|
|
|
if (_data) {
|
|
if (_data->refcount.ref()) {
|
|
// exists
|
|
lock->unlock();
|
|
return;
|
|
}
|
|
}
|
|
|
|
_data = memnew(_Data);
|
|
_data->name = p_name;
|
|
_data->refcount.init();
|
|
_data->hash = hash;
|
|
_data->idx = idx;
|
|
_data->cname = NULL;
|
|
_data->next = _table[idx];
|
|
_data->prev = NULL;
|
|
if (_table[idx])
|
|
_table[idx]->prev = _data;
|
|
_table[idx] = _data;
|
|
|
|
lock->unlock();
|
|
}
|
|
|
|
StringName::StringName(const StaticCString &p_static_string) {
|
|
|
|
_data = NULL;
|
|
|
|
ERR_FAIL_COND(!configured);
|
|
|
|
ERR_FAIL_COND(!p_static_string.ptr || !p_static_string.ptr[0]);
|
|
|
|
lock->lock();
|
|
|
|
uint32_t hash = String::hash(p_static_string.ptr);
|
|
|
|
uint32_t idx = hash & STRING_TABLE_MASK;
|
|
|
|
_data = _table[idx];
|
|
|
|
while (_data) {
|
|
|
|
// compare hash first
|
|
if (_data->hash == hash && _data->get_name() == p_static_string.ptr)
|
|
break;
|
|
_data = _data->next;
|
|
}
|
|
|
|
if (_data) {
|
|
if (_data->refcount.ref()) {
|
|
// exists
|
|
lock->unlock();
|
|
return;
|
|
}
|
|
}
|
|
|
|
_data = memnew(_Data);
|
|
|
|
_data->refcount.init();
|
|
_data->hash = hash;
|
|
_data->idx = idx;
|
|
_data->cname = p_static_string.ptr;
|
|
_data->next = _table[idx];
|
|
_data->prev = NULL;
|
|
if (_table[idx])
|
|
_table[idx]->prev = _data;
|
|
_table[idx] = _data;
|
|
|
|
lock->unlock();
|
|
}
|
|
|
|
StringName::StringName(const String &p_name) {
|
|
|
|
_data = NULL;
|
|
|
|
ERR_FAIL_COND(!configured);
|
|
|
|
if (p_name == String())
|
|
return;
|
|
|
|
lock->lock();
|
|
|
|
uint32_t hash = p_name.hash();
|
|
|
|
uint32_t idx = hash & STRING_TABLE_MASK;
|
|
|
|
_data = _table[idx];
|
|
|
|
while (_data) {
|
|
|
|
if (_data->hash == hash && _data->get_name() == p_name)
|
|
break;
|
|
_data = _data->next;
|
|
}
|
|
|
|
if (_data) {
|
|
if (_data->refcount.ref()) {
|
|
// exists
|
|
lock->unlock();
|
|
return;
|
|
}
|
|
}
|
|
|
|
_data = memnew(_Data);
|
|
_data->name = p_name;
|
|
_data->refcount.init();
|
|
_data->hash = hash;
|
|
_data->idx = idx;
|
|
_data->cname = NULL;
|
|
_data->next = _table[idx];
|
|
_data->prev = NULL;
|
|
if (_table[idx])
|
|
_table[idx]->prev = _data;
|
|
_table[idx] = _data;
|
|
|
|
lock->unlock();
|
|
}
|
|
|
|
StringName StringName::search(const char *p_name) {
|
|
|
|
ERR_FAIL_COND_V(!configured, StringName());
|
|
|
|
ERR_FAIL_COND_V(!p_name, StringName());
|
|
if (!p_name[0])
|
|
return StringName();
|
|
|
|
lock->lock();
|
|
|
|
uint32_t hash = String::hash(p_name);
|
|
|
|
uint32_t idx = hash & STRING_TABLE_MASK;
|
|
|
|
_Data *_data = _table[idx];
|
|
|
|
while (_data) {
|
|
|
|
// compare hash first
|
|
if (_data->hash == hash && _data->get_name() == p_name)
|
|
break;
|
|
_data = _data->next;
|
|
}
|
|
|
|
if (_data && _data->refcount.ref()) {
|
|
lock->unlock();
|
|
|
|
return StringName(_data);
|
|
}
|
|
|
|
lock->unlock();
|
|
return StringName(); //does not exist
|
|
}
|
|
|
|
StringName StringName::search(const CharType *p_name) {
|
|
|
|
ERR_FAIL_COND_V(!configured, StringName());
|
|
|
|
ERR_FAIL_COND_V(!p_name, StringName());
|
|
if (!p_name[0])
|
|
return StringName();
|
|
|
|
lock->lock();
|
|
|
|
uint32_t hash = String::hash(p_name);
|
|
|
|
uint32_t idx = hash & STRING_TABLE_MASK;
|
|
|
|
_Data *_data = _table[idx];
|
|
|
|
while (_data) {
|
|
|
|
// compare hash first
|
|
if (_data->hash == hash && _data->get_name() == p_name)
|
|
break;
|
|
_data = _data->next;
|
|
}
|
|
|
|
if (_data && _data->refcount.ref()) {
|
|
lock->unlock();
|
|
return StringName(_data);
|
|
}
|
|
|
|
lock->unlock();
|
|
return StringName(); //does not exist
|
|
}
|
|
StringName StringName::search(const String &p_name) {
|
|
|
|
ERR_FAIL_COND_V(p_name == "", StringName());
|
|
|
|
lock->lock();
|
|
|
|
uint32_t hash = p_name.hash();
|
|
|
|
uint32_t idx = hash & STRING_TABLE_MASK;
|
|
|
|
_Data *_data = _table[idx];
|
|
|
|
while (_data) {
|
|
|
|
// compare hash first
|
|
if (_data->hash == hash && p_name == _data->get_name())
|
|
break;
|
|
_data = _data->next;
|
|
}
|
|
|
|
if (_data && _data->refcount.ref()) {
|
|
lock->unlock();
|
|
return StringName(_data);
|
|
}
|
|
|
|
lock->unlock();
|
|
return StringName(); //does not exist
|
|
}
|
|
|
|
StringName::StringName() {
|
|
|
|
_data = NULL;
|
|
}
|
|
|
|
StringName::~StringName() {
|
|
|
|
unref();
|
|
}
|