axmol/cocos2dx/support/user_default/CCUserDefault.mm

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/****************************************************************************
Copyright (c) 2013 cocos2d-x.org
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.
****************************************************************************/
#import "CCUserDefault.h"
#import <string>
#import "platform/CCFileUtils.h"
#import "../tinyxml2/tinyxml2.h"
#import "platform/CCPlatformConfig.h"
#import "platform/CCPlatformMacros.h"
#import "base64.h"
#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS) || (CC_TARGET_PLATFORM == CC_PLATFORM_MAC)
#define XML_FILE_NAME "UserDefault.xml"
// root name of xml
#define USERDEFAULT_ROOT_NAME "userDefaultRoot"
#define KEEP_COMPATABILITY
using namespace std;
NS_CC_BEGIN
/**
* implements of CCUserDefault
*/
CCUserDefault* CCUserDefault::m_spUserDefault = 0;
string CCUserDefault::m_sFilePath = string("");
bool CCUserDefault::m_sbIsFilePathInitialized = false;
#ifdef KEEP_COMPATABILITY
static tinyxml2::XMLElement* getXMLNodeForKey(const char* pKey, tinyxml2::XMLDocument **doc)
{
tinyxml2::XMLElement* curNode = NULL;
tinyxml2::XMLElement* rootNode = NULL;
if (! CCUserDefault::isXMLFileExist())
{
return NULL;
}
// check the key value
if (! pKey)
{
return NULL;
}
do
{
tinyxml2::XMLDocument* xmlDoc = new tinyxml2::XMLDocument();
*doc = xmlDoc;
unsigned long nSize;
const char* pXmlBuffer = (const char*)CCFileUtils::sharedFileUtils()->getFileData(CCUserDefault::sharedUserDefault()->getXMLFilePath().c_str(), "rb", &nSize);
//const char* pXmlBuffer = (const char*)data.getBuffer();
if(NULL == pXmlBuffer)
{
NSLog(@"can not read xml file");
break;
}
xmlDoc->Parse(pXmlBuffer);
delete[] pXmlBuffer;
// get root node
rootNode = xmlDoc->RootElement();
if (NULL == rootNode)
{
NSLog(@"read root node error");
break;
}
// find the node
curNode = rootNode->FirstChildElement();
if (!curNode)
{
// There is not xml node, delete xml file.
remove(CCUserDefault::sharedUserDefault()->getXMLFilePath().c_str());
return NULL;
}
while (NULL != curNode)
{
const char* nodeName = curNode->Value();
if (!strcmp(nodeName, pKey))
{
// delete the node
break;
}
curNode = curNode->NextSiblingElement();
}
} while (0);
return curNode;
}
static void deleteNode(tinyxml2::XMLDocument* doc, tinyxml2::XMLElement* node)
{
if (node)
{
doc->DeleteNode(node);
doc->SaveFile(CCUserDefault::sharedUserDefault()->getXMLFilePath().c_str());
delete doc;
}
}
static void deleteNodeByKey(const char *pKey)
{
tinyxml2::XMLDocument* doc = NULL;
tinyxml2::XMLElement* node = getXMLNodeForKey(pKey, &doc);
deleteNode(doc, node);
}
#endif
/**
* If the user invoke delete CCUserDefault::sharedUserDefault(), should set m_spUserDefault
* to null to avoid error when he invoke CCUserDefault::sharedUserDefault() later.
*/
CCUserDefault::~CCUserDefault()
{
CC_SAFE_DELETE(m_spUserDefault);
m_spUserDefault = NULL;
}
CCUserDefault::CCUserDefault()
{
m_spUserDefault = NULL;
}
void CCUserDefault::purgeSharedUserDefault()
{
m_spUserDefault = NULL;
}
bool CCUserDefault::getBoolForKey(const char* pKey)
{
return getBoolForKey(pKey, false);
}
bool CCUserDefault::getBoolForKey(const char* pKey, bool defaultValue)
{
#ifdef KEEP_COMPATABILITY
tinyxml2::XMLDocument* doc = NULL;
tinyxml2::XMLElement* node = getXMLNodeForKey(pKey, &doc);
if (node)
{
if (node->FirstChild())
{
const char* value = (const char*)node->FirstChild()->Value();
bool ret = (! strcmp(value, "true"));
// set value in NSUserDefaults
setBoolForKey(pKey, ret);
flush();
// delete xmle node
deleteNode(doc, node);
return ret;
}
else
{
// delete xmle node
deleteNode(doc, node);
}
}
#endif
bool ret = defaultValue;
NSNumber *value = [[NSUserDefaults standardUserDefaults] objectForKey:[NSString stringWithUTF8String:pKey]];
if (value)
{
ret = [value boolValue];
}
return ret;
}
int CCUserDefault::getIntegerForKey(const char* pKey)
{
return getIntegerForKey(pKey, 0);
}
int CCUserDefault::getIntegerForKey(const char* pKey, int defaultValue)
{
#ifdef KEEP_COMPATABILITY
tinyxml2::XMLDocument* doc = NULL;
tinyxml2::XMLElement* node = getXMLNodeForKey(pKey, &doc);
if (node)
{
if (node->FirstChild())
{
int ret = atoi((const char*)node->FirstChild()->Value());
// set value in NSUserDefaults
setIntegerForKey(pKey, ret);
flush();
// delete xmle node
deleteNode(doc, node);
return ret;
}
else
{
// delete xmle node
deleteNode(doc, node);
}
}
#endif
int ret = defaultValue;
NSNumber *value = [[NSUserDefaults standardUserDefaults] objectForKey:[NSString stringWithUTF8String:pKey]];
if (value)
{
ret = [value intValue];
}
return ret;
}
float CCUserDefault::getFloatForKey(const char* pKey)
{
return getFloatForKey(pKey, 0);
}
float CCUserDefault::getFloatForKey(const char* pKey, float defaultValue)
{
#ifdef KEEP_COMPATABILITY
tinyxml2::XMLDocument* doc = NULL;
tinyxml2::XMLElement* node = getXMLNodeForKey(pKey, &doc);
if (node)
{
if (node->FirstChild())
{
float ret = atof((const char*)node->FirstChild()->Value());
// set value in NSUserDefaults
setFloatForKey(pKey, ret);
flush();
// delete xmle node
deleteNode(doc, node);
return ret;
}
else
{
// delete xmle node
deleteNode(doc, node);
}
}
#endif
float ret = defaultValue;
NSNumber *value = [[NSUserDefaults standardUserDefaults] objectForKey:[NSString stringWithUTF8String:pKey]];
if (value)
{
ret = [value floatValue];
}
return ret;
}
double CCUserDefault::getDoubleForKey(const char* pKey)
{
return getDoubleForKey(pKey, 0);
}
double CCUserDefault::getDoubleForKey(const char* pKey, double defaultValue)
{
#ifdef KEEP_COMPATABILITY
tinyxml2::XMLDocument* doc = NULL;
tinyxml2::XMLElement* node = getXMLNodeForKey(pKey, &doc);
if (node)
{
if (node->FirstChild())
{
double ret = atof((const char*)node->FirstChild()->Value());
// set value in NSUserDefaults
setDoubleForKey(pKey, ret);
flush();
// delete xmle node
deleteNode(doc, node);
return ret;
}
else
{
// delete xmle node
deleteNode(doc, node);
}
}
#endif
double ret = defaultValue;
NSNumber *value = [[NSUserDefaults standardUserDefaults] objectForKey:[NSString stringWithUTF8String:pKey]];
if (value)
{
ret = [value doubleValue];
}
return ret;
}
std::string CCUserDefault::getStringForKey(const char* pKey)
{
return getStringForKey(pKey, "");
}
string CCUserDefault::getStringForKey(const char* pKey, const std::string & defaultValue)
{
#ifdef KEEP_COMPATABILITY
tinyxml2::XMLDocument* doc = NULL;
tinyxml2::XMLElement* node = getXMLNodeForKey(pKey, &doc);
if (node)
{
if (node->FirstChild())
{
string ret = (const char*)node->FirstChild()->Value();
// set value in NSUserDefaults
setStringForKey(pKey, ret);
flush();
// delete xmle node
deleteNode(doc, node);
return ret;
}
else
{
// delete xmle node
deleteNode(doc, node);
}
}
#endif
NSString *str = [[NSUserDefaults standardUserDefaults] stringForKey:[NSString stringWithUTF8String:pKey]];
if (! str)
{
return defaultValue;
}
else
{
return [str UTF8String];
}
}
CCData* CCUserDefault::getDataForKey(const char* pKey)
{
return getDataForKey(pKey, NULL);
}
CCData* CCUserDefault::getDataForKey(const char* pKey, CCData* defaultValue)
{
#ifdef KEEP_COMPATABILITY
tinyxml2::XMLDocument* doc = NULL;
tinyxml2::XMLElement* node = getXMLNodeForKey(pKey, &doc);
if (node)
{
if (node->FirstChild())
{
const char * encodedData = node->FirstChild()->Value();
unsigned char * decodedData;
int decodedDataLen = base64Decode((unsigned char*)encodedData, (unsigned int)strlen(encodedData), &decodedData);
if (decodedData) {
CCData *ret = CCData::create(decodedData, decodedDataLen);
// set value in NSUserDefaults
setDataForKey(pKey, ret);
delete decodedData;
flush();
// delete xmle node
deleteNode(doc, node);
return ret;
}
}
else
{
// delete xmle node
deleteNode(doc, node);
}
}
#endif
NSData *data = [[NSUserDefaults standardUserDefaults] dataForKey:[NSString stringWithUTF8String:pKey]];
if (! data)
{
return defaultValue;
}
else
{
unsigned char *bytes = {0};
unsigned long size = 0;
if (data.length > 0) {
bytes = (unsigned char*)data.bytes;
size = data.length;
}
CCData *ret = new CCData(bytes, size);
ret->autorelease();
return ret;
}
}
void CCUserDefault::setBoolForKey(const char* pKey, bool value)
{
#ifdef KEEP_COMPATABILITY
deleteNodeByKey(pKey);
#endif
[[NSUserDefaults standardUserDefaults] setObject:[NSNumber numberWithBool:value] forKey:[NSString stringWithUTF8String:pKey]];
}
void CCUserDefault::setIntegerForKey(const char* pKey, int value)
{
#ifdef KEEP_COMPATABILITY
deleteNodeByKey(pKey);
#endif
[[NSUserDefaults standardUserDefaults] setObject:[NSNumber numberWithInt:value] forKey:[NSString stringWithUTF8String:pKey]];
}
void CCUserDefault::setFloatForKey(const char* pKey, float value)
{
#ifdef KEEP_COMPATABILITY
deleteNodeByKey(pKey);
#endif
[[NSUserDefaults standardUserDefaults] setObject:[NSNumber numberWithFloat:value] forKey:[NSString stringWithUTF8String:pKey]];
}
void CCUserDefault::setDoubleForKey(const char* pKey, double value)
{
#ifdef KEEP_COMPATABILITY
deleteNodeByKey(pKey);
#endif
[[NSUserDefaults standardUserDefaults] setObject:[NSNumber numberWithDouble:value] forKey:[NSString stringWithUTF8String:pKey]];
}
void CCUserDefault::setStringForKey(const char* pKey, const std::string & value)
{
#ifdef KEEP_COMPATABILITY
deleteNodeByKey(pKey);
#endif
[[NSUserDefaults standardUserDefaults] setObject:[NSString stringWithUTF8String:value.c_str()] forKey:[NSString stringWithUTF8String:pKey]];
}
void CCUserDefault::setDataForKey(const char* pKey, const CCData& value) {
#ifdef KEEP_COMPATABILITY
deleteNodeByKey(pKey);
#endif
[[NSUserDefaults standardUserDefaults] setObject:[NSData dataWithBytes: value.getBytes() length: value.getSize()] forKey:[NSString stringWithUTF8String:pKey]];
}
CCUserDefault* CCUserDefault::sharedUserDefault()
{
#ifdef KEEP_COMPATABILITY
initXMLFilePath();
#endif
if (! m_spUserDefault)
{
m_spUserDefault = new CCUserDefault();
}
return m_spUserDefault;
}
bool CCUserDefault::isXMLFileExist()
{
FILE *fp = fopen(m_sFilePath.c_str(), "r");
bool bRet = false;
if (fp)
{
bRet = true;
fclose(fp);
}
return bRet;
}
void CCUserDefault::initXMLFilePath()
{
#ifdef KEEP_COMPATABILITY
if (! m_sbIsFilePathInitialized)
{
// xml file is stored in cache directory before 2.1.2
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
m_sFilePath = [documentsDirectory UTF8String];
m_sFilePath.append("/");
m_sFilePath += XML_FILE_NAME;
m_sbIsFilePathInitialized = true;
}
#endif
}
// create new xml file
bool CCUserDefault::createXMLFile()
{
return false;
}
const string& CCUserDefault::getXMLFilePath()
{
return m_sFilePath;
}
void CCUserDefault::flush()
{
[[NSUserDefaults standardUserDefaults] synchronize];
}
NS_CC_END
#endif // (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)