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2022-06-25 00:23:03 +08:00
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151
cocos2d-x/cocos/storage/local-storage/LocalStorage-android.cpp Normal file
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/***************************************************************************
Copyright (c) 2012 Zynga Inc.
Copyright (c) 2013 cocos2d-x.org
Copyright (c) 2013-2016 Chukong Technologic Inc.
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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.
***************************************************************************/
/*
Local Storage support for the JS Bindings for iOS.
Works on cocos2d-iphone and cocos2d-x.
*/
#include "storage/local-storage/LocalStorage.h"
#include "base/ccMacros.h"
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "jni.h"
#include "platform/android/jni/JniHelper.h"
#ifndef JCLS_LOCALSTORAGE
#define JCLS_LOCALSTORAGE "org/cocos2dx/lib/Cocos2dxLocalStorage"
#endif
USING_NS_CC;
static int _initialized = 0;
static void splitFilename (std::string& str)
{
size_t found = 0;
found=str.find_last_of("/\\");
if (found != std::string::npos)
{
str = str.substr(found+1);
}
}
void localStorageInit( const std::string& fullpath)
{
if (fullpath.empty())
return;
if( ! _initialized )
{
std::string strDBFilename = fullpath;
splitFilename(strDBFilename);
if (JniHelper::callStaticBooleanMethod(JCLS_LOCALSTORAGE, "init", strDBFilename, "data")) {
_initialized = 1;
}
}
}
void localStorageFree()
{
if (_initialized) {
JniHelper::callStaticVoidMethod(JCLS_LOCALSTORAGE, "destroy");
_initialized = 0;
}
}
/** sets an item in the LS */
void localStorageSetItem( const std::string& key, const std::string& value)
{
assert( _initialized );
JniHelper::callStaticVoidMethod(JCLS_LOCALSTORAGE, "setItem", key, value);
}
/** gets an item from the LS */
bool localStorageGetItem( const std::string& key, std::string *outItem )
{
assert( _initialized );
JniMethodInfo t;
if (JniHelper::getStaticMethodInfo(t, JCLS_LOCALSTORAGE, "getItem", "(Ljava/lang/String;)Ljava/lang/String;"))
{
jstring jkey = t.env->NewStringUTF(key.c_str());
jstring jret = (jstring)t.env->CallStaticObjectMethod(t.classID, t.methodID, jkey);
if (jret == nullptr)
{
t.env->DeleteLocalRef(jret);
t.env->DeleteLocalRef(jkey);
t.env->DeleteLocalRef(t.classID);
return false;
}
else
{
outItem->assign(JniHelper::jstring2string(jret));
t.env->DeleteLocalRef(jret);
t.env->DeleteLocalRef(jkey);
t.env->DeleteLocalRef(t.classID);
return true;
}
}
else
{
return false;
}
}
/** removes an item from the LS */
void localStorageRemoveItem( const std::string& key )
{
assert( _initialized );
JniHelper::callStaticVoidMethod(JCLS_LOCALSTORAGE, "removeItem", key);
}
/** removes all items from the LS */
void localStorageClear()
{
assert( _initialized );
JniHelper::callStaticVoidMethod(JCLS_LOCALSTORAGE, "clear");
}
/** gets an key from the JS. */
void localStorageGetKey( const int nIndex, std::string *outKey )
{
assert( _initialized );
outKey->assign(JniHelper::callStaticStringMethod(JCLS_LOCALSTORAGE,"getKey",nIndex));
}
/** gets all items count in the JS. */
void localStorageGetLength( int& outLength )
{
assert( _initialized );
outLength = JniHelper::callStaticIntMethod(JCLS_LOCALSTORAGE,"getLength");
}
#endif // #if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)

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cocos2d-x/cocos/storage/local-storage/LocalStorage.cpp Normal file
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/*
Copyright (c) 2012 - Zynga Inc.
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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.
*/
/*
Local Storage support for the JS Bindings for iOS.
Works on cocos2d-iphone and cocos2d-x.
*/
#include "storage/local-storage/LocalStorage.h"
#include "base/ccMacros.h"
#if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID)
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32)
#include <sqlite3/sqlite3.h>
#else
#include <sqlite3.h>
#endif
static int _initialized = 0;
static sqlite3 *_db;
static sqlite3_stmt *_stmt_select;
static sqlite3_stmt *_stmt_remove;
static sqlite3_stmt *_stmt_update;
static sqlite3_stmt *_stmt_clear;
static sqlite3_stmt *_stmt_key;
static sqlite3_stmt *_stmt_count;
static void localStorageCreateTable()
{
const char *sql_createtable = "CREATE TABLE IF NOT EXISTS data(key TEXT PRIMARY KEY,value TEXT);";
sqlite3_stmt *stmt;
int ok = sqlite3_prepare_v2(_db, sql_createtable, -1, &stmt, nullptr);
ok |= sqlite3_step(stmt);
ok |= sqlite3_finalize(stmt);
if( ok != SQLITE_OK && ok != SQLITE_DONE)
printf("Error in CREATE TABLE\n");
}
void localStorageInit( const std::string& fullpath/* = "" */)
{
if (!_initialized) {
int ret = 0;
if (fullpath.empty())
ret = sqlite3_open(":memory:", &_db);
else
ret = sqlite3_open(fullpath.c_str(), &_db);
localStorageCreateTable();
// SELECT
const char *sql_select = "SELECT value FROM data WHERE key=?;";
ret |= sqlite3_prepare_v2(_db, sql_select, -1, &_stmt_select, nullptr);
// REPLACE
const char *sql_update = "REPLACE INTO data (key, value) VALUES (?,?);";
ret |= sqlite3_prepare_v2(_db, sql_update, -1, &_stmt_update, nullptr);
// DELETE
const char *sql_remove = "DELETE FROM data WHERE key=?;";
ret |= sqlite3_prepare_v2(_db, sql_remove, -1, &_stmt_remove, nullptr);
// Clear
const char *sql_clear = "DELETE FROM data;";
ret |= sqlite3_prepare_v2(_db, sql_clear, -1, &_stmt_clear, nullptr);
// key
const char *sql_key = "SELECT key FROM data ORDER BY ROWID ASC;";
ret |= sqlite3_prepare_v2(_db, sql_key, -1, &_stmt_key, nullptr);
//count
const char *sql_count = "SELECT COUNT(*) FROM data;";
ret |= sqlite3_prepare_v2(_db, sql_count, -1, &_stmt_count, nullptr);
if( ret != SQLITE_OK ) {
printf("Error initializing DB\n");
// report error
}
_initialized = 1;
}
}
void localStorageFree()
{
if (_initialized) {
sqlite3_finalize(_stmt_select);
sqlite3_finalize(_stmt_remove);
sqlite3_finalize(_stmt_update);
sqlite3_finalize(_stmt_clear);
sqlite3_finalize(_stmt_key);
sqlite3_finalize(_stmt_count);
sqlite3_close_v2(_db);
_initialized = 0;
}
}
/** sets an item in the LS */
void localStorageSetItem( const std::string& key, const std::string& value)
{
assert( _initialized );
int ok = sqlite3_bind_text(_stmt_update, 1, key.c_str(), -1, SQLITE_TRANSIENT);
ok |= sqlite3_bind_text(_stmt_update, 2, value.c_str(), -1, SQLITE_TRANSIENT);
ok |= sqlite3_step(_stmt_update);
ok |= sqlite3_reset(_stmt_update);
if( ok != SQLITE_OK && ok != SQLITE_DONE)
printf("Error in localStorage.setItem()\n");
}
/** gets an item from the LS */
bool localStorageGetItem( const std::string& key, std::string *outItem )
{
assert( _initialized );
int ok = sqlite3_reset(_stmt_select);
ok |= sqlite3_bind_text(_stmt_select, 1, key.c_str(), -1, SQLITE_TRANSIENT);
ok |= sqlite3_step(_stmt_select);
const unsigned char *text = sqlite3_column_text(_stmt_select, 0);
if ( ok != SQLITE_OK && ok != SQLITE_DONE && ok != SQLITE_ROW )
{
printf("Error in localStorage.getItem()\n");
return false;
}
else if (!text)
{
return false;
}
else
{
outItem->assign((const char*)text);
return true;
}
}
/** removes an item from the LS */
void localStorageRemoveItem( const std::string& key )
{
assert( _initialized );
int ok = sqlite3_bind_text(_stmt_remove, 1, key.c_str(), -1, SQLITE_TRANSIENT);
ok |= sqlite3_step(_stmt_remove);
ok |= sqlite3_reset(_stmt_remove);
if( ok != SQLITE_OK && ok != SQLITE_DONE)
printf("Error in localStorage.removeItem()\n");
}
/** removes all items from the LS */
void localStorageClear()
{
assert( _initialized );
int ok = sqlite3_step(_stmt_clear);
ok |= sqlite3_reset(_stmt_clear);
if( ok != SQLITE_OK && ok != SQLITE_DONE)
printf("Error in localStorage.clear()\n");
}
/** gets an key from the JS. */
void localStorageGetKey( const int nIndex, std::string *outKey )
{
assert( _initialized );
if (nIndex < 0)
{
printf("Error in input localStorage index Less than zero\n");
return;
}
int ok = sqlite3_reset(_stmt_key);
ok |= sqlite3_step(_stmt_key);
int nCount = 0;
const unsigned char *text = nullptr;
while (ok == SQLITE_ROW)
{
if (nCount == nIndex)
{
text = sqlite3_column_text(_stmt_key, 0);
break;
}
ok |= sqlite3_step(_stmt_key);
nCount++;
}
if ( ok != SQLITE_OK && ok != SQLITE_DONE && ok != SQLITE_ROW )
{
printf("Error in localStorage.key(n)\n");
}
else if (!text)
{
return;
}
else
{
outKey->assign((const char*)text);
}
}
/** gets all items count in the JS. */
void localStorageGetLength( int& outLength )
{
assert( _initialized );
int ok = sqlite3_reset(_stmt_count);
ok |= sqlite3_step(_stmt_count);
if ( ok != SQLITE_OK && ok != SQLITE_DONE && ok != SQLITE_ROW )
{
printf("Error in localStorage.length\n");
outLength = 0;
}
else
{
outLength = sqlite3_column_int(_stmt_count, 0);
}
}
#endif // #if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID)

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cocos2d-x/cocos/storage/local-storage/LocalStorage.h Normal file
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/****************************************************************************
Copyright (c) 2012 Zynga Inc.
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
http://www.cocos2d-x.org
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 __JSB_LOCALSTORAGE_H
#define __JSB_LOCALSTORAGE_H
#include <string>
#include "base/ccMacros.h"
/**
* @addtogroup storage
* @{
*/
/** Local Storage support for the JS Bindings.*/
/** Initializes the database. If path is null, it will create an in-memory DB. */
void CC_DLL localStorageInit( const std::string& fullpath = "");
/** Frees the allocated resources. */
void CC_DLL localStorageFree();
/** Sets an item in the JS. */
void CC_DLL localStorageSetItem( const std::string& key, const std::string& value);
/** Gets an item from the JS. */
bool CC_DLL localStorageGetItem( const std::string& key, std::string *outItem );
/** Removes an item from the JS. */
void CC_DLL localStorageRemoveItem( const std::string& key );
/** Removes all items from the JS. */
void CC_DLL localStorageClear();
/** Gets an key from the JS. */
void CC_DLL localStorageGetKey(const int nIndex, std::string *outKey);
/** Gets all items count in the JS. */
void CC_DLL localStorageGetLength(int& outLength);
// end group
/// @}
#endif // __JSB_LOCALSTORAGE_H