mirror of https://github.com/axmolengine/axmol.git
440 lines
9.1 KiB
C++
440 lines
9.1 KiB
C++
/****************************************************************************
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Copyright (c) 2010-2012 cocos2d-x.org
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "CCUserDefault.h"
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#include "platform/CCCommon.h"
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#include "platform/CCFileUtils.h"
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#include "tinyxml2/tinyxml2.h"
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// root name of xml
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#define USERDEFAULT_ROOT_NAME "userDefaultRoot"
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#define XML_FILE_NAME "UserDefault.xml"
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using namespace std;
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NS_CC_BEGIN
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/**
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* define the functions here because we don't want to
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* export xmlNodePtr and other types in "CCUserDefault.h"
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*/
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static tinyxml2::XMLElement* getXMLNodeForKey(const char* pKey, tinyxml2::XMLElement** rootNode, tinyxml2::XMLDocument **doc)
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{
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tinyxml2::XMLElement* curNode = NULL;
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// check the key value
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if (! pKey)
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{
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return NULL;
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}
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do
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{
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tinyxml2::XMLDocument* xmlDoc = new tinyxml2::XMLDocument();
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*doc = xmlDoc;
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//CCFileData data(CCUserDefault::sharedUserDefault()->getXMLFilePath().c_str(),"rt");
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unsigned long nSize;
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const char* pXmlBuffer = (const char*)CCFileUtils::sharedFileUtils()->getFileData(CCUserDefault::sharedUserDefault()->getXMLFilePath().c_str(), "rb", &nSize);
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//const char* pXmlBuffer = (const char*)data.getBuffer();
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if(NULL == pXmlBuffer)
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{
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CCLOG("can not read xml file");
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break;
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}
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xmlDoc->Parse(pXmlBuffer);
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// get root node
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*rootNode = xmlDoc->RootElement();
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if (NULL == *rootNode)
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{
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CCLOG("read root node error");
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break;
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}
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// find the node
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curNode = (*rootNode)->FirstChildElement();
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while (NULL != curNode)
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{
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const char* nodeName = curNode->Value();
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if (!strcmp(nodeName, pKey))
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{
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break;
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}
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curNode = curNode->NextSiblingElement();
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}
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} while (0);
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return curNode;
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}
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static void setValueForKey(const char* pKey, const char* pValue)
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{
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tinyxml2::XMLElement* rootNode;
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tinyxml2::XMLDocument* doc;
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tinyxml2::XMLElement* node;
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// check the params
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if (! pKey || ! pValue)
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{
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return;
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}
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// find the node
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node = getXMLNodeForKey(pKey, &rootNode, &doc);
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// if node exist, change the content
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if (node)
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{
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node->FirstChild()->SetValue(pValue);
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}
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else
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{
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if (rootNode)
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{
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tinyxml2::XMLElement* tmpNode = doc->NewElement(pKey);//new tinyxml2::XMLElement(pKey);
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rootNode->LinkEndChild(tmpNode);
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tinyxml2::XMLText* content = doc->NewText(pValue);//new tinyxml2::XMLText(pValue);
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tmpNode->LinkEndChild(content);
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}
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}
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// save file and free doc
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if (doc)
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{
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doc->SaveFile(CCUserDefault::sharedUserDefault()->getXMLFilePath().c_str());
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delete doc;
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}
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}
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/**
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* implements of CCUserDefault
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*/
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CCUserDefault* CCUserDefault::m_spUserDefault = 0;
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string CCUserDefault::m_sFilePath = string("");
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bool CCUserDefault::m_sbIsFilePathInitialized = false;
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/**
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* If the user invoke delete CCUserDefault::sharedUserDefault(), should set m_spUserDefault
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* to null to avoid error when he invoke CCUserDefault::sharedUserDefault() later.
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*/
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CCUserDefault::~CCUserDefault()
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{
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CC_SAFE_DELETE(m_spUserDefault);
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m_spUserDefault = NULL;
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}
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CCUserDefault::CCUserDefault()
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{
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m_spUserDefault = NULL;
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}
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void CCUserDefault::purgeSharedUserDefault()
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{
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m_spUserDefault = NULL;
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}
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bool CCUserDefault::getBoolForKey(const char* pKey)
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{
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return getBoolForKey(pKey, false);
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}
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bool CCUserDefault::getBoolForKey(const char* pKey, bool defaultValue)
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{
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const char* value = NULL;
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tinyxml2::XMLElement* rootNode;
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tinyxml2::XMLDocument* doc;
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tinyxml2::XMLElement* node;
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node = getXMLNodeForKey(pKey, &rootNode, &doc);
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// find the node
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if (node)
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{
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value = (const char*)(node->FirstChild()->Value());
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}
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bool ret = defaultValue;
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if (value)
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{
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ret = (! strcmp(value, "true"));
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}
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if (doc) delete doc;
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return ret;
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}
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int CCUserDefault::getIntegerForKey(const char* pKey)
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{
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return getIntegerForKey(pKey, 0);
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}
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int CCUserDefault::getIntegerForKey(const char* pKey, int defaultValue)
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{
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const char* value = NULL;
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tinyxml2::XMLElement* rootNode;
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tinyxml2::XMLDocument* doc;
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tinyxml2::XMLElement* node;
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node = getXMLNodeForKey(pKey, &rootNode, &doc);
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// find the node
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if (node)
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{
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value = (const char*)(node->FirstChild()->Value());
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}
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int ret = defaultValue;
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if (value)
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{
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ret = atoi(value);
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}
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if(doc)
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{
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delete doc;
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}
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return ret;
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}
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float CCUserDefault::getFloatForKey(const char* pKey)
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{
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return getFloatForKey(pKey, 0.0f);
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}
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float CCUserDefault::getFloatForKey(const char* pKey, float defaultValue)
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{
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float ret = (float)getDoubleForKey(pKey, (double)defaultValue);
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return ret;
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}
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double CCUserDefault::getDoubleForKey(const char* pKey)
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{
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return getDoubleForKey(pKey, 0.0);
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}
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double CCUserDefault::getDoubleForKey(const char* pKey, double defaultValue)
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{
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const char* value = NULL;
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tinyxml2::XMLElement* rootNode;
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tinyxml2::XMLDocument* doc;
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tinyxml2::XMLElement* node;
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node = getXMLNodeForKey(pKey, &rootNode, &doc);
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// find the node
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if (node)
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{
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value = (const char*)(node->FirstChild()->Value());
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}
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double ret = defaultValue;
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if (value)
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{
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ret = atof(value);
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}
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if (doc) delete doc;
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return ret;
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}
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std::string CCUserDefault::getStringForKey(const char* pKey)
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{
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return getStringForKey(pKey, "");
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}
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string CCUserDefault::getStringForKey(const char* pKey, const std::string & defaultValue)
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{
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const char* value = NULL;
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tinyxml2::XMLElement* rootNode;
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tinyxml2::XMLDocument* doc;
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tinyxml2::XMLElement* node;
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node = getXMLNodeForKey(pKey, &rootNode, &doc);
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// find the node
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if (node)
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{
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value = (const char*)(node->FirstChild()->Value());
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}
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string ret = defaultValue;
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if (value)
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{
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ret = string(value);
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}
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if (doc) delete doc;
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return ret;
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}
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void CCUserDefault::setBoolForKey(const char* pKey, bool value)
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{
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// save bool value as string
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if (true == value)
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{
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setStringForKey(pKey, "true");
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}
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else
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{
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setStringForKey(pKey, "false");
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}
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}
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void CCUserDefault::setIntegerForKey(const char* pKey, int value)
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{
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// check key
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if (! pKey)
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{
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return;
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}
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// format the value
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char tmp[50];
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memset(tmp, 0, 50);
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sprintf(tmp, "%d", value);
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setValueForKey(pKey, tmp);
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}
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void CCUserDefault::setFloatForKey(const char* pKey, float value)
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{
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setDoubleForKey(pKey, value);
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}
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void CCUserDefault::setDoubleForKey(const char* pKey, double value)
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{
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// check key
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if (! pKey)
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{
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return;
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}
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// format the value
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char tmp[50];
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memset(tmp, 0, 50);
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sprintf(tmp, "%f", value);
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setValueForKey(pKey, tmp);
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}
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void CCUserDefault::setStringForKey(const char* pKey, const std::string & value)
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{
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// check key
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if (! pKey)
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{
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return;
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}
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setValueForKey(pKey, value.c_str());
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}
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CCUserDefault* CCUserDefault::sharedUserDefault()
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{
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initXMLFilePath();
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// only create xml file one time
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// the file exists after the program exit
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if ((! isXMLFileExist()) && (! createXMLFile()))
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{
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return NULL;
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}
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if (! m_spUserDefault)
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{
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m_spUserDefault = new CCUserDefault();
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}
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return m_spUserDefault;
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}
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bool CCUserDefault::isXMLFileExist()
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{
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FILE *fp = fopen(m_sFilePath.c_str(), "r");
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bool bRet = false;
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if (fp)
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{
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bRet = true;
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fclose(fp);
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}
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return bRet;
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}
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void CCUserDefault::initXMLFilePath()
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{
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if (! m_sbIsFilePathInitialized)
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{
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m_sFilePath += CCFileUtils::sharedFileUtils()->getWritablePath() + XML_FILE_NAME;
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m_sbIsFilePathInitialized = true;
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}
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}
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// create new xml file
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bool CCUserDefault::createXMLFile()
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{
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bool bRet = false;
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tinyxml2::XMLDocument *pDoc = new tinyxml2::XMLDocument();
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if (NULL==pDoc)
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{
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return false;
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}
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tinyxml2::XMLDeclaration *pDeclaration = pDoc->NewDeclaration("1.0");
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if (NULL==pDeclaration)
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{
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return false;
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}
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pDoc->LinkEndChild(pDeclaration);
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tinyxml2::XMLElement *pRootEle = pDoc->NewElement(USERDEFAULT_ROOT_NAME);
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if (NULL==pRootEle)
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{
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return false;
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}
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pDoc->LinkEndChild(pRootEle);
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bRet = tinyxml2::XML_SUCCESS == pDoc->SaveFile(m_sFilePath.c_str());
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if(pDoc)
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{
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delete pDoc;
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}
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return bRet;
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}
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const string& CCUserDefault::getXMLFilePath()
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{
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return m_sFilePath;
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}
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void CCUserDefault::flush()
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{
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}
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NS_CC_END
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