mirror of
https://github.com/godotengine/godot.git
synced 2024-11-27 09:16:35 +08:00
cbbcf72703
-Ability to set compression to ENet packets (check API) -Fixed small bug in StringDB that lead to duplicate empty strings -Added a new class, StreamPeerBuffer, useful to create your own tightly packed data
451 lines
8.6 KiB
C++
451 lines
8.6 KiB
C++
/*************************************************************************/
|
|
/* string_db.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2016 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 "string_db.h"
|
|
#include "print_string.h"
|
|
#include "os/os.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;
|
|
|
|
void StringName::setup() {
|
|
|
|
ERR_FAIL_COND(configured);
|
|
for(int i=0;i<STRING_TABLE_LEN;i++) {
|
|
|
|
_table[i]=NULL;
|
|
}
|
|
configured=true;
|
|
}
|
|
|
|
void StringName::cleanup() {
|
|
|
|
_global_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 (OS::get_singleton()->is_stdout_verbose() && lost_strings) {
|
|
print_line("StringName: "+itos(lost_strings)+" unclaimed string names at exit.");
|
|
}
|
|
_global_unlock();
|
|
}
|
|
|
|
void StringName::unref() {
|
|
|
|
ERR_FAIL_COND(!configured);
|
|
|
|
if (_data && _data->refcount.unref()) {
|
|
|
|
_global_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);
|
|
_global_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;
|
|
}
|
|
}
|
|
/* was inlined
|
|
StringName::operator String() const {
|
|
|
|
if (_data)
|
|
return _data->get_name();
|
|
|
|
return "";
|
|
}
|
|
*/
|
|
StringName::StringName(const StringName& p_name) {
|
|
|
|
ERR_FAIL_COND(!configured);
|
|
_data=NULL;
|
|
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
|
|
|
|
_global_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
|
|
_global_unlock();
|
|
return;
|
|
} else {
|
|
|
|
}
|
|
}
|
|
|
|
_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;
|
|
|
|
|
|
_global_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]);
|
|
|
|
_global_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
|
|
_global_unlock();
|
|
return;
|
|
} else {
|
|
|
|
}
|
|
}
|
|
|
|
_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;
|
|
|
|
|
|
_global_unlock();
|
|
|
|
}
|
|
|
|
|
|
StringName::StringName(const String& p_name) {
|
|
|
|
_data=NULL;
|
|
|
|
ERR_FAIL_COND(!configured);
|
|
|
|
if (p_name==String())
|
|
return;
|
|
|
|
_global_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
|
|
_global_unlock();
|
|
return;
|
|
} else {
|
|
|
|
|
|
}
|
|
}
|
|
|
|
|
|
_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;
|
|
|
|
_global_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();
|
|
|
|
_global_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()) {
|
|
_global_unlock();
|
|
return StringName(_data);
|
|
|
|
}
|
|
|
|
_global_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();
|
|
|
|
_global_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()) {
|
|
_global_unlock();
|
|
return StringName(_data);
|
|
|
|
}
|
|
|
|
_global_unlock();
|
|
return StringName(); //does not exist
|
|
|
|
}
|
|
StringName StringName::search(const String &p_name) {
|
|
|
|
ERR_FAIL_COND_V( p_name=="", StringName() );
|
|
|
|
_global_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()) {
|
|
_global_unlock();
|
|
return StringName(_data);
|
|
|
|
}
|
|
|
|
_global_unlock();
|
|
return StringName(); //does not exist
|
|
|
|
}
|
|
|
|
|
|
StringName::StringName() {
|
|
|
|
_data=NULL;
|
|
}
|
|
|
|
StringName::~StringName() {
|
|
|
|
unref();
|
|
}
|
|
|