isettingfile.c

以栈结构实现的多级菜单

#include "ISettingFile.h"
#include "AeeFile.h"
#include "AeeAppGen.h"

#define WAP_SETTINGFILE_NAME "Settings.dat"

static ISettingFile* pSetting=NULL;
////////////////////////////////////////////////////////
///		 Static Function Declare					////	
////////////////////////////////////////////////////////
//将文件内容导入内存
static boolean ISETTINGFILE_Load();
//将内存内容写入文件
static boolean ISETTINGFILE_Save();
//为内存中的数据设置缺省值
static boolean ISETTINGFILE_Default();
//字符串拷贝，先释放*pVal旧的空间，然后为新值分配空间并拷贝新值
static void ISETTINGFILE_WSTRDUP(AECHAR** pVal,AECHAR* pNewVal);
static void ISETTINGFILE_STRTOWSTR(AECHAR** pVal,char* pNewVal);
//读一个字符串，先读长度，再读数据
static boolean ISETTINGFILE_ReadStr(IFile* pFile,AECHAR** pVal);
//直接读取一个整数数据
static int     ISETTINGFILE_ReadInt(IFile* pFile);
//写一个字符串，先写类型，再写长度，最后写数据
static boolean ISETTINGFILE_WriteStr(IFile* pFile,int nType,AECHAR* pStr);
//写一个整数数据，先写类型，再写数据
static boolean ISETTINGFILE_WriteInt(IFile* pFile,int nType,int nVal);
////////////////////////////////////////////////////////
///		 Public Function							       ////
////////////////////////////////////////////////////////
boolean ISETTINGFILE_CreateInstance()
{
	//分配内存空间
	if(NULL==pSetting)
		pSetting=MALLOCREC(ISettingFile);
	else
		return TRUE;
	if(NULL==pSetting)
		return FALSE;
	//如果从文件中读取数据失败，则将数据设置为缺省值
	if(FALSE==ISETTINGFILE_Load())
		return ISETTINGFILE_Default();
	else
		return TRUE;
}
boolean ISETTINGFILE_Release()
{
	if(pSetting)
	{
		//释放pSetting的数据成员空间
		FREEIF(pSetting->m_pcGatewayIP);
		//释放pSetting的空间
		FREE(pSetting);
		pSetting=NULL;
	}
	return TRUE;
}
boolean ISETTINGFILE_SetStr(TSettingItems item,AECHAR* pVal)
{
	//保证配置数据已经载入内存
	if(FALSE==ISETTINGFILE_CreateInstance())
		return FALSE;
	switch(item)
	{
	case WAP_DEFHOMEPAGENAME:	
		ISETTINGFILE_WSTRDUP(&pSetting->m_pcDefHomePageName,pVal);
		break;
	case WAP_DEFHOMEPAGEURL:
		ISETTINGFILE_WSTRDUP(&pSetting->m_pcDefHomePageUrl,pVal);
		break;
	case WAP_GATEWAYIP:
		ISETTINGFILE_WSTRDUP(&pSetting->m_pcGatewayIP,pVal);
		break;
	case WAP_GATEWAPUSER:	
		ISETTINGFILE_WSTRDUP(&pSetting->m_pcGatewayUSER,pVal);
		break;
	case WAP_GATEWAPPASSWORD:	
		ISETTINGFILE_WSTRDUP(&pSetting->m_pcGatewayPASSWORD,pVal);
		break;
	case WAP_BOOKMARKNAME:	
		ISETTINGFILE_WSTRDUP(&pSetting->m_pcBookmarkName,pVal);
		break;
	case WAP_BOOKMARKURL:	
		ISETTINGFILE_WSTRDUP(&pSetting->m_pcBookmarkUrl,pVal);
		break;
	default:			
		return FALSE;
	}
	//将保存的设置写入文件
	return ISETTINGFILE_Save();
}
AECHAR* ISETTINGFILE_GetStr(TSettingItems item)
{
	if(FALSE==ISETTINGFILE_CreateInstance())
		return NULL;

	switch(item)
	{
	case WAP_OPENURL:
		return pSetting->m_pcOpenUrl;
	case WAP_DEFHOMEPAGENAME:
		return pSetting->m_pcDefHomePageName;
	case WAP_DEFHOMEPAGEURL:
		return pSetting->m_pcDefHomePageUrl;
	case WAP_GATEWAYIP:
		return pSetting->m_pcGatewayIP;
	case WAP_GATEWAPUSER:
		return pSetting->m_pcGatewayUSER;
	case WAP_GATEWAPPASSWORD:
		return pSetting->m_pcGatewayPASSWORD;
	case WAP_BOOKMARKNAME:
		return pSetting->m_pcBookmarkName;
	case WAP_BOOKMARKURL:
		return pSetting->m_pcBookmarkUrl;
	default:			
		return NULL;
	}
}
boolean ISETTINGFILE_SetInt(TSettingItems item,int nVal)
{
	if(FALSE==ISETTINGFILE_CreateInstance())
		return FALSE;
	

	switch(item)
	{
	case WAP_CONNECTSET:
		pSetting->m_nConnectWay=nVal;
		break;
	case WAP_GATEWAPPORT:
		pSetting->m_nGatewayPort=nVal;
		break;
	default:			
		return FALSE;
	}
	//将保存的设置写入文件
	return ISETTINGFILE_Save();
}
int ISETTINGFILE_GetInt(TSettingItems item)
{
	if(FALSE==ISETTINGFILE_CreateInstance())
		return 0;

	switch(item)
	{
	case WAP_CONNECTSET:
		return pSetting->m_nConnectWay;
	case WAP_GATEWAPPORT:
		return pSetting->m_nGatewayPort;
	default:			
		return 0;
	}
}
////////////////////////////////////////////////////////
///		 Static Function Defined					////
////////////////////////////////////////////////////////
static boolean ISETTINGFILE_ReadStr(IFile* pFile,AECHAR** pVal)
{
	int nSize=0;
	//释放指针原来的内存空间
	FREEIF(*pVal);
	//读取新的字符串的空间长度
	IFILE_Read(pFile,&nSize,sizeof(nSize));
	if(nSize>0)
	{
		//根据长度分配内存空间并将字符串从文件读入新分配的内存
		*pVal=MALLOC(nSize);
		if(nSize!=IFILE_Read(pFile,*pVal,nSize))
		{
			FREEIF(*pVal);
		}
		else
			return TRUE;
	}
	return FALSE;
}
static int ISETTINGFILE_ReadInt(IFile* pFile)
{
	int nVal=0;
	IFILE_Read(pFile,&nVal,sizeof(nVal));
	return nVal;
}
static boolean ISETTINGFILE_WriteStr(IFile* pFile,int nType,AECHAR* pStr)
{				
	int nSize=0;
	if(pStr)
		nSize=WSTRSIZE(pStr);
	//向文件中写入参数的类型和值的大小
	//如果值为空指针，大小为0
	IFILE_Write(pFile,&nType,sizeof(nType));	
	IFILE_Write(pFile,&nSize,sizeof(nSize));
	//如果值不为空指针，将字符串值写入文件
	if(pStr)	
		IFILE_Write(pFile,pStr,nSize);
	return TRUE;
}
static boolean ISETTINGFILE_WriteInt(IFile* pFile,int nType,int nVal)
{
	//向文件中写入参数的类型
	IFILE_Write(pFile,&nType,sizeof(nType));
	//项文件中写入参数的值
	//但参数为整形时，不需要写入值的大小
	IFILE_Write(pFile,&nVal,sizeof(nVal));
	return TRUE;
}
static void ISETTINGFILE_WSTRDUP(AECHAR** pVal,AECHAR* pNewVal)
{
	FREEIF(*pVal);
	if(pNewVal)
		*pVal=WSTRDUP(pNewVal);
}
static void ISETTINGFILE_STRTOWSTR(AECHAR** pVal,char* pNewVal)
{
	FREEIF(*pVal);
	if(pNewVal)
	{
		int nSize=sizeof(AECHAR)*(STRLEN(pNewVal)+1);
		*pVal=MALLOC(nSize);
		STRTOWSTR(pNewVal,*pVal,nSize);
	}
}
static boolean ISETTINGFILE_Default()
{
	if(NULL==pSetting)
		return FALSE;
	//设置联接方式
	pSetting->m_nConnectWay=CONNECTION_TYPE_WSP_CL;
	//设置网关端口
	pSetting->m_nGatewayPort=80;
	//设置网关IP
	ISETTINGFILE_STRTOWSTR(&pSetting->m_pcGatewayIP,"10.0.0.172");
	return TRUE;
}
static boolean ISETTINGFILE_Load()
{
	IFileMgr* pFileMgr;
	IFile*    pFile;
	int 	  nHead;
	int		  nSize;	
	AEEApplet* pApp=(AEEApplet*)GETAPPINSTANCE();
	//打开文件
	if(!pApp||!pSetting) return FALSE;
	if(SUCCESS!=ISHELL_CreateInstance(pApp->m_pIShell,AEECLSID_FILEMGR,(void**)&pFileMgr))
		return FALSE;
	pFile=IFILEMGR_OpenFile(pFileMgr,WAP_SETTINGFILE_NAME,_OFM_READ);
	IFILEMGR_Release(pFileMgr);
	if(NULL==pFile) return FALSE;
	//从文件中导入数据
	while(TRUE)
	{
		int nByte=IFILE_Read(pFile,&nHead,sizeof(nHead));
		if(sizeof(nHead)!=nByte) break;
		nByte=IFILE_Read(pFile,&nSize,sizeof(nSize));
		if(sizeof(nSize)!=nByte) break;

		switch(nHead)
		{
		case WAP_CONNECTSET:
			pSetting->m_nConnectWay=ISETTINGFILE_ReadInt(pFile);
			break;
		case WAP_GATEWAYIP:
			ISETTINGFILE_ReadStr(pFile,&pSetting->m_pcGatewayIP);
			break;
		case WAP_GATEWAPPORT:
			pSetting->m_nGatewayPort=ISETTINGFILE_ReadInt(pFile);
			break;
		case WAP_OPENURL:
			ISETTINGFILE_ReadStr(pFile, &pSetting->m_pcOpenUrl);
			break;
		case WAP_DEFHOMEPAGENAME:
			ISETTINGFILE_ReadStr(pFile, &pSetting->m_pcDefHomePageName);
			break;
		case WAP_DEFHOMEPAGEURL:
			ISETTINGFILE_ReadStr(pFile,&pSetting->m_pcDefHomePageUrl);
			break;
		case WAP_GATEWAPUSER:
			ISETTINGFILE_ReadStr(pFile, &pSetting->m_pcGatewayUSER);
			break;
		case WAP_GATEWAPPASSWORD:
			ISETTINGFILE_ReadStr(pFile, &pSetting->m_pcGatewayPASSWORD);
			break;
		case WAP_BOOKMARKNAME:
			ISETTINGFILE_ReadStr(pFile, &pSetting->m_pcBookmarkName);
			break;
		case WAP_BOOKMARKURL:
			ISETTINGFILE_ReadStr(pFile, &pSetting->m_pcBookmarkUrl);
			break;
		default:
			IFILE_Release(pFile);
			return FALSE;
		}
	}
	IFILE_Release(pFile);
	return TRUE;
}
static boolean ISETTINGFILE_Save()
{
	IFileMgr* pFileMgr;
	IFile*    pFile;
	AEEApplet* pApp=(AEEApplet*)GETAPPINSTANCE();
	//打开文件
	if(!pApp||!pSetting) return FALSE;
	if(SUCCESS!=ISHELL_CreateInstance(pApp->m_pIShell,AEECLSID_FILEMGR,(void**)&pFileMgr))
		return FALSE;
	if(SUCCESS==IFILEMGR_Test(pFileMgr,WAP_SETTINGFILE_NAME))
		pFile=IFILEMGR_OpenFile(pFileMgr,WAP_SETTINGFILE_NAME,_OFM_READWRITE);
	else
		pFile=IFILEMGR_OpenFile(pFileMgr,WAP_SETTINGFILE_NAME,_OFM_CREATE);
	IFILEMGR_Release(pFileMgr);
	if(NULL==pFile) return FALSE;
	//向文件中导入数据
	ISETTINGFILE_WriteStr(pFile,WAP_GATEWAYIP,pSetting->m_pcGatewayIP);
	ISETTINGFILE_WriteInt(pFile,WAP_CONNECTSET,pSetting->m_nConnectWay);	
	ISETTINGFILE_WriteInt(pFile,WAP_GATEWAPPORT,pSetting->m_nGatewayPort);
	ISETTINGFILE_WriteStr(pFile,WAP_OPENURL,pSetting->m_pcOpenUrl);	
       ISETTINGFILE_WriteStr(pFile,WAP_GATEWAPUSER,pSetting->m_pcGatewayUSER);	
	ISETTINGFILE_WriteStr(pFile,WAP_GATEWAPPASSWORD,pSetting->m_pcGatewayPASSWORD);	
	ISETTINGFILE_WriteStr(pFile,WAP_DEFHOMEPAGENAME,pSetting->m_pcDefHomePageName);	
	ISETTINGFILE_WriteStr(pFile,WAP_DEFHOMEPAGEURL,pSetting->m_pcDefHomePageUrl);	
	ISETTINGFILE_WriteStr(pFile,WAP_BOOKMARKNAME,pSetting->m_pcBookmarkName);	
	ISETTINGFILE_WriteStr(pFile,WAP_BOOKMARKURL,pSetting->m_pcBookmarkUrl);	

	IFILE_Release(pFile);
	return TRUE;
}
////////////////////////////////////////////////////////////////////
int ISETTINGFILE_Test()
{
	AECHAR pp[]={'A','B','C','D','E','F',0};
	ISETTINGFILE_CreateInstance();
	ISETTINGFILE_Release();
	ISETTINGFILE_Save();
	ISETTINGFILE_Load();
	ISETTINGFILE_SetStr(WAP_GATEWAYIP,pp);
	return 0;
}