自学教程：C++ GetConfig函数代码示例

/* EXPORT->InitMem: Initialise the module.  */void InitMem(void){   int i;   Boolean b;      Register(hmem_version, hmem_vc_id);   CreateHeap(&gstack, "Global Stack",  MSTAK, 1, 0.0, 100000, ULONG_MAX ); /* #### should be max size_t */   CreateHeap(&gcheap, "Global C Heap", CHEAP, 1, 0.0, 0,      0 );   numParm = GetConfig("HMEM", TRUE, cParm, MAXGLOBS);   if (numParm>0){      if (GetConfInt(cParm,numParm,"TRACE",&i)) trace = i;      if (GetConfBool(cParm,numParm,"PROTECTSTAKS",&b)) protectStaks = b;   }}

extern "C" void Init(const char* serverType, int argc, char* argv[], HandleNameHandleChangedPtr nameHandleCallback, HandleMessagePtr msgCallback, HandleMessageResultPtr msgResultCallback, HandleCommandPtr cmdCallback){#if defined(__LINUX__)  signal(SIGPIPE, SIG_IGN);#endif  InitConfigState(serverType, argc, argv);  const char* pIp = GetConfig("ip");  if (NULL == pIp)    pIp = "127.0.0.1";  const char* pPort = GetConfig("port");  int port = 20000;  if (NULL != pPort)    port = (int)atoi(pPort);  tsnprintf(g_Ip, sizeof(g_Ip), "%s", pIp);  g_Port = port;  g_HandleNameHandleChangedPtr = nameHandleCallback;  g_HandleMessagePtr = msgCallback;  g_HandleMessageResultPtr = msgResultCallback;  g_HandleCommandPtr = cmdCallback;  g_pSessionManager = new SessionManager();  if (NULL != g_pSessionManager) {    g_pSessionManager->Init();    g_pSessionManager->UpdateMyName();  }  g_pNetIoService = new NetIoService();  g_pNetIoService->Init();  g_EventBase = g_pNetIoService->EventBase();  if (NULL != g_EventBase) {    g_Connector = new Connector(g_EventBase);  }}

void wxGISMapView::StartFlashing(wxGISEnumFlashStyle eFlashStyle){    m_eFlashStyle = eFlashStyle;    Flash(eFlashStyle);    Refresh();    //wait drawings end to flash    if (GetThread() && GetThread()->IsRunning())    {        GetThread()->Wait();    }    int nMilliSec = DEFAULT_FLASH_PERIOD;    switch(eFlashStyle)    {    case enumGISMapFlashWaves:        nMilliSec /= 2;        {        wxGISAppConfig oConfig = GetConfig();        if(oConfig.IsOk())            nMilliSec = oConfig.ReadInt(enumGISHKCU, wxString(wxT("wxGISCommon/map/flash_waves_time")), nMilliSec);        }        break;    default:    case enumGISMapFlashNewColor:        {        wxGISAppConfig oConfig = GetConfig();        if(oConfig.IsOk())            nMilliSec = oConfig.ReadInt(enumGISHKCU, wxString(wxT("wxGISCommon/map/flash_newcolor_time")), nMilliSec);        }        break;    };    m_nDrawingState = enumGISMapFlashing;    m_timer.Start(nMilliSec);}

bool wxGISCatalogMainCmd::OnCreate(wxGISApplicationBase* pApp){	m_pApp = pApp;    m_pGxApp = dynamic_cast<wxGxApplicationBase*>(pApp);    if(m_pApp)    {        wxGISAppConfig oConfig = GetConfig();        if(oConfig.IsOk())            m_nPrevNextSelCount = oConfig.ReadInt(enumGISHKCU, m_pApp->GetAppName() + wxString(wxT("/catalog/prev_next_sel_count")), 7);    }    else        m_nPrevNextSelCount = 7;	return true;}

void wxGISTaskManager::StartTaskManagerServer(){#ifdef __WXMSW__    wxString sTaskMngrServerPath(wxT("wxgistaskmanager.exe"));#else    wxString sTaskMngrServerPath(wxT("wxgistaskmanager"));#endif    wxGISAppConfig oConfig = GetConfig();    if(oConfig.IsOk())        sTaskMngrServerPath = oConfig.Read(enumGISHKCU, wxString(wxT("wxGISCommon/tasks/exe_path")), sTaskMngrServerPath);    if(wxExecute(sTaskMngrServerPath + wxT(" -a"), wxEXEC_ASYNC | wxEXEC_HIDE_CONSOLE ) == 0)    {        wxLogError(_("Task Manager Server start failed. Path '%s'"), sTaskMngrServerPath.c_str());    }}

int main(){    Gateway gate;    auto cfg = GetConfig();    if (cfg.empty()) {        return 0;    }    try {        gate.Run(cfg[0], cfg[1], atoi(cfg[2].c_str()));    } catch (std::exception& e) {        LOG("exception: %s", e.what());    }}

_Use_decl_annotations_Texture AssetLoader::LoadTextureFromFile(const char* filename, bool supportsMips) const{    char source[MAX_PATH];    sprintf_s(source, "%s%s", GetConfig().ContentRoot, filename);    ImageFileData data;    LoadImageFileData(source, &data);    Texture texture(LoadTextureFromMemory(data.Width, data.Height, data.Pitch, data.Data, data.Format, data.MipCount, supportsMips));    FreeImageFileData(&data);    return texture;}

boolFlarmDevice::GetBaudRate(unsigned &baud_id, OperationEnvironment &env){  TCHAR buffer[12];  if (!GetConfig("BAUD", buffer, ARRAY_SIZE(buffer), env))    return false;  TCHAR *end_ptr;  unsigned value = ParseUnsigned(buffer, &end_ptr, 10);  if (end_ptr == buffer)    return false;  baud_id = value;  return true;}

Buffer *ConfigStore::GetConfigAsBuffer(const char *key, const char *def){        const char *value = NULL;        value = (char *)GetConfig(key);        if (value == NULL) {                if (def == NULL) {                        return NULL;                } else {                  return Util::Str2Buf(def);                }        } else {                return Util::Str2Buf(value);        }}

	codeare::error_code	RemoteConnector::Init (const std::string& name) {				// Prepare configuration for the journey		std::stringstream  temp;		temp << GetConfig();		m_rrsi->config  (temp.str().c_str());				// Initialise back end        if (m_rrsi->Init (name.c_str(), m_client_id.c_str()) != codeare::OK)	  return codeare::CANNOT_LOAD_LIBRARY;				return (codeare::error_code)codeare::OK;			}

void CCopyHandlerApp::OnConfigNotify(uint_t uiPropID){	// is this language	switch(uiPropID)	{	case PP_PLANGUAGE:		{			// update language in resource manager			TCHAR szPath[_MAX_PATH];			GetConfig().get_string(PP_PLANGUAGE, szPath, _MAX_PATH);			GetResManager().SetLanguage(ExpandPath(szPath));			break;		}	case PP_LOGENABLELOGGING:		{			chcore::TLogger& rLogger = chcore::TLogger::Acquire();			rLogger.Enable(GetConfig().get_bool(PP_LOGENABLELOGGING));			break;		}	case PP_LOGLEVEL:		{			chcore::TLogger& rLogger = chcore::TLogger::Acquire();			rLogger.set_log_level((int_t)GetConfig().get_unsigned_num(PP_LOGLEVEL));			break;		}	case PP_LOGMAXSIZE:		{			chcore::TLogger& rLogger = chcore::TLogger::Acquire();			rLogger.set_max_size((int_t)GetConfig().get_signed_num(PP_LOGMAXSIZE));			break;		}	}}

/** * Retrieves configuration value as boolean. If name is * not defined, default value is returned. */TPS_PUBLIC bool ConfigStore::GetConfigAsBool(const char *name, bool def){        char *value = NULL;        value = (char *)GetConfig(name);        if (value == NULL)                return def;        if (PL_CompareStrings("true", value) != 0)          return true;	else if (PL_CompareStrings("false", value) != 0)	  return false;	else	  return def;}

boolFlarmDevice::GetRange(unsigned &range){  TCHAR buffer[12];  if (!GetConfig("RANGE", buffer, ARRAY_SIZE(buffer)))    return false;  TCHAR *end_ptr;  unsigned value = _tcstoul(buffer, &end_ptr, 10);  if (end_ptr == buffer)    return false;  range = value;  return true;}

void CLATEDView::OnEndlabeledit(NMHDR* pNMHDR, LRESULT* pResult) {    HTREEITEM hItem;    CLCConfig* pConfig = NULL;    CLCBase* pBase = NULL;    CLCDataType* pType = NULL;	TV_DISPINFO* pTVDispInfo = (TV_DISPINFO*)pNMHDR;    ASSERT(pTVDispInfo);	*pResult = FALSE;    if(!pTVDispInfo->item.pszText) {        return;    }    hItem = pTVDispInfo->item.hItem;    if(!hItem) {        return;    }    pConfig = GetConfig();    if(!pConfig) {        return;    }    pBase = GetNode(hItem);    if(!pBase) {        return;    }    pType = dynamic_cast<CLCDataType*>(pBase);    if(pType) {        //rename a datatype;        CString str = pTVDispInfo->item.pszText;        CLCDataType* p = pConfig->GetDatatype(str);        if(p && p != pType) { //another datatype has same name            FC_RELEASE_PTR(p);                return;        }        FC_RELEASE_PTR(p);        pConfig->RenameDatatype(str,pType);        SetModified();        *pResult = TRUE;        return;    }}

void RedisConfigUI::DoApplyData(){	CEditUI exampleEditUI;	CComboUI exampleComboUI;	RedisClient::TDicConfig::const_iterator it = m_dicConfig.begin();	RedisClient::TDicConfig::const_iterator itend = m_dicConfig.end();	RedisClient::TDicConfig config;	for ( ; it!=itend; ++it)	{		CDuiString name = _T("redisconfig_");		CDuiString key = CharacterSet::ANSIToUnicode(it->first).c_str();			name.Append(key);		CControlUI* pCtl = GetPaintMgr()->FindControl(name);		string val ;		if (pCtl->GetClass() == exampleEditUI.GetClass())		{			CEditUI* pEdit = static_cast<CEditUI*> (pCtl);			val = CharacterSet::UnicodeToANSI(pEdit->GetText().GetData());		}		else if (pCtl->GetClass() == exampleComboUI.GetClass())		{			CComboUI* pCombo = static_cast<CComboUI*> (pCtl);			int idx = pCombo->GetCurSel();			if (it->first == "loglevel")			{				if (idx == 0) val = "debug";				else if (idx == 1) val = "verbose";				else if (idx == 2) val = "notice";				else if (idx == 3) val = "warning";			}			else 			{				if (idx == 0) val = "yes";				else if (idx == 1) val = "no";			}		}		if (val != it->second)		{			config.insert(std::make_pair(it->first, val));		}	}	if (SetConfig(config) && GetConfig())	{		DoFillData();	}}

/////////////////////////////////////////////////////////////////////////////////// Process incoming requestsint CameraV4L2::HandleRequests(){    void *client;    char request[PLAYER_MAX_REQREP_SIZE];    char outBuf[PLAYER_MAX_REQREP_SIZE];    int len;    while ((len = GetConfig(&client, &request, sizeof(request),NULL)) > 0)    {        int ret = -1;        PLAYER_MSG2(2,"Got Reguest %c (size: %d)", request[0], len);        if (len>1 && (request[0]=='g' || request[0]=='G')){            // pobranie jakiejs wartosci            PLAYER_MSG0(2,"Get type request");            ret = handleCommand(request, len, outBuf, PLAYER_MAX_REQREP_SIZE-1);            if (ret==0) {                outBuf[PLAYER_MAX_REQREP_SIZE-1] = '/0';                PLAYER_MSG1(2,"Sending Ack: %s", outBuf);                if (PutReply(client, PLAYER_MSGTYPE_RESP_ACK, outBuf, strlen(outBuf)+1,NULL) != 0)                    PLAYER_ERROR("PutReply() failed");            } else {                PLAYER_MSG0(2,"Sendinf NACK");                if (PutReply(client, PLAYER_MSGTYPE_RESP_NACK,NULL) != 0)                    PLAYER_ERROR("PutReply() failed");            }        } else {            if (len>0) {                ret = handleCommand(request, len);            }            if (ret == 0){                PLAYER_MSG0(2,"Sending Ack");                if (PutReply(client, PLAYER_MSGTYPE_RESP_ACK,NULL) != 0)                    PLAYER_ERROR("PutReply() failed");            } else {                PLAYER_MSG0(2,"Sending Nack");                if (PutReply(client, PLAYER_MSGTYPE_RESP_NACK,NULL) != 0)                    PLAYER_ERROR("PutReply() failed");            }        }        // if framegrabber is slow(1-10s), it is worth handling all commands at once        //usleep(30000);    }    return 0;}

bool Game::Fail(){	StatusUnstable();	ExecTrials++;	if(ExecTrials >= GetConfig()->MaxExecTrials) {		Status = Failed;		GetOut()->Put(Parent, OutPrefix, " Maximum execution attempts for game exceeded.", NULL);		StatusStable();		return true;	} else {		StatusStable();		if(cleanup) return true;		Halt(5);		Start();		return false;	}}

/* EXPORT->InitMap: initialise configuration parameters */void InitMap(void){   int i;   double f;   Register(hmap_version,hmap_vc_id);   nParm = GetConfig("HMAP", TRUE, cParm, MAXGLOBS);   if (nParm>0){     if (GetConfInt(cParm,nParm,"TRACE",&i)) trace = i;     if (GetConfInt(cParm,nParm,"MINEGS",&i)) minEgs = i;     if (GetConfFlt(cParm,nParm,"MINOBS",&f)) minObs = f;     if (GetConfFlt(cParm,nParm,"MINVAR",&f)) minVar = f;     if (GetConfFlt(cParm,nParm,"MAPTAU",&f)) mapTau = f;     if (GetConfFlt(cParm,nParm,"MIXWEIGHTFLOOR",&f)) mixWeightFloor = MINMIX*f;   }}

mongo::DBClientConnection& GetDB() {	if(!connected) {		std::string host(GetConfig().GetAttribute("Database.host").ToString());		LOGINFO("正在连接到 " + host + " 的 mongodb 服务器");		try {			dbconnection.connect(host);			connected = true;			LOGINFO("已连接");		} catch(mongo::DBException &e) {			LOGERROR("连接数据库时发生错误: " + e.toString());			throw FCException("无法连接至数据库");		}	}	return dbconnection;}

boolFlarmDevice::GetStealthMode(bool &enabled){  TCHAR buffer[2];  if (!GetConfig("PRIV", buffer, ARRAY_SIZE(buffer)))    return false;  if (buffer[0] == _T('1'))    enabled = true;  else if (buffer[0] == _T('0'))    enabled = false;  else    return false;  return true;}

error_code cellKbGetConfiguration(u32 port_no, vm::ptr<CellKbConfig> config){	sys_io.trace("cellKbGetConfiguration(port_no=%d, config=*0x%x)", port_no, config);	const auto handler = fxm::get<KeyboardHandlerBase>();	if (!handler)		return CELL_KB_ERROR_UNINITIALIZED;	const KbConfig& current_config = handler->GetConfig(port_no);	config->arrange = current_config.arrange;	config->read_mode = current_config.read_mode;	config->code_type = current_config.code_type;	return CELL_OK;}

boolFlarmDevice::GetStealthMode(bool &enabled, OperationEnvironment &env){  char buffer[2];  if (!GetConfig("PRIV", buffer, ARRAY_SIZE(buffer), env))    return false;  if (buffer[0] == '1')    enabled = true;  else if (buffer[0] == '0')    enabled = false;  else    return false;  return true;}

/** * Retrieves configuration value as unsigned integer. If name is * not defined, default value is returned. */TPS_PUBLIC unsigned int ConfigStore::GetConfigAsUnsignedInt(const char *name, unsigned int def){        char *value = NULL;		int i = 0;        value = (char *)GetConfig(name);        if (value == NULL) {          return def;        }        i = atoi(value);        if (i < 0) {          return def;        }        return i;}

// Constructor: builds a Grammar from given file, or empty gram if no fileAGram::AGram(const string& name, const string& fname):AResource(name){   ConfParam *cParm[MAXGLOBS];       /* config parameters */   int numParm,i;   char buf[100];   main = NULL; isOpen = TRUE;   // Read configuration file   strcpy(buf,name.c_str());   for (i=0; i<int(strlen(buf)); i++) buf[i] = toupper(buf[i]);   numParm = GetConfig(buf, TRUE, cParm, MAXGLOBS);   if (numParm>0){      if (GetConfInt(cParm,numParm,"TRACE",&i)) trace = i;   }   if (fname!="") InitFromFile(fname.c_str());   isOpen = FALSE;}

#define T_CMV     0012           /* doing CMV */static int  trace    = 0;           /* trace level */static ConfParam *cParm[MAXGLOBS];   /* configuration parameters */static int nParm = 0;               /* total num params *//* ---------------------- Global Variables ----------------------- */

char *lpcalc_vc_id = "$Id: LPCalc.c,v 1.1.1.1 2006/10/11 09:54:43 jal58 Exp $";#include "HShell.h"     /* HMM ToolKit Modules */#include "HMem.h"#include "HMath.h"#include "HWave.h"#include "HLabel.h"#include "LWMap.h"