diff --git a/src/common/GmshSocket.h b/src/common/GmshSocket.h
index ee83be3ded14460695b216e38c6eb7e68b9ba53d..2ccbc0e868bc246f182d2f1b83c1f199e6dc098f 100644
--- a/src/common/GmshSocket.h
+++ b/src/common/GmshSocket.h
@@ -55,42 +55,44 @@ typedef int socklen_t;
 typedef int socklen_t;
 #endif
 
-class GmshSocket{
- public:
+class GmshSocket {
+public:
   // types of messages that can be exchanged (never use values greater
   // that 65535: if we receive a type > 65535 we assume that we
   // receive data from a machine with a different byte ordering, and
   // we swap the bytes in the payload)
-  enum MessageType{
-    GMSH_START               = 1,
-    GMSH_STOP                = 2,
-    GMSH_INFO                = 10,
-    GMSH_WARNING             = 11,
-    GMSH_ERROR               = 12,
-    GMSH_PROGRESS            = 13,
-    GMSH_MERGE_FILE          = 20,
-    GMSH_PARSE_STRING        = 21,
-    GMSH_VERTEX_ARRAY        = 22,
-    GMSH_PARAMETER           = 23,
-    GMSH_PARAMETER_QUERY     = 24,
+  enum MessageType {
+    GMSH_START = 1,
+    GMSH_STOP = 2,
+    GMSH_INFO = 10,
+    GMSH_WARNING = 11,
+    GMSH_ERROR = 12,
+    GMSH_PROGRESS = 13,
+    GMSH_MERGE_FILE = 20,
+    GMSH_PARSE_STRING = 21,
+    GMSH_VERTEX_ARRAY = 22,
+    GMSH_PARAMETER = 23,
+    GMSH_PARAMETER_QUERY = 24,
     GMSH_PARAMETER_QUERY_ALL = 25,
     GMSH_PARAMETER_QUERY_END = 26,
-    GMSH_CONNECT             = 27,
-    GMSH_OLPARSE             = 28,
+    GMSH_CONNECT = 27,
+    GMSH_OLPARSE = 28,
     GMSH_PARAMETER_NOT_FOUND = 29,
-    GMSH_SPEED_TEST          = 30,
-    GMSH_PARAMETER_CLEAR     = 31,
-    GMSH_PARAMETER_UPDATE    = 32,
-    GMSH_OPEN_PROJECT        = 33,
-    GMSH_CLIENT_CHANGED      = 34,
+    GMSH_SPEED_TEST = 30,
+    GMSH_PARAMETER_CLEAR = 31,
+    GMSH_PARAMETER_UPDATE = 32,
+    GMSH_OPEN_PROJECT = 33,
+    GMSH_CLIENT_CHANGED = 34,
     GMSH_PARAMETER_WITHOUT_CHOICES = 35,
     GMSH_PARAMETER_QUERY_WITHOUT_CHOICES = 36,
-    GMSH_OPTION_1            = 100,
-    GMSH_OPTION_2            = 101,
-    GMSH_OPTION_3            = 102,
-    GMSH_OPTION_4            = 103,
-    GMSH_OPTION_5            = 104};
- protected:
+    GMSH_OPTION_1 = 100,
+    GMSH_OPTION_2 = 101,
+    GMSH_OPTION_3 = 102,
+    GMSH_OPTION_4 = 103,
+    GMSH_OPTION_5 = 104
+  };
+
+protected:
   // the socket descriptor
   int _sock;
   // the socket name
@@ -135,10 +137,9 @@ class GmshSocket{
     for(int i = 0; i < n; i++) {
       char *a = &array[i * size];
       memcpy(x, a, size);
-      for(int c = 0; c < size; c++)
-        a[size - 1 - c] = x[c];
+      for(int c = 0; c < size; c++) a[size - 1 - c] = x[c];
     }
-    delete [] x;
+    delete[] x;
   }
   // sleep for some milliseconds
   void _sleep(int ms)
@@ -149,7 +150,8 @@ class GmshSocket{
     Sleep(ms);
 #endif
   }
- public:
+
+public:
   GmshSocket() : _sock(0), _sent(0), _received(0)
   {
 #if defined(WIN32) && !defined(__CYGWIN__)
@@ -167,7 +169,7 @@ class GmshSocket{
   // we check for available data and return immediately, i.e., we do
   // polling). Returns 1 when data is available, 0 when nothing happened before
   // the time delay, -1 on error.
-  int Select(int seconds, int microseconds, int socket=-1)
+  int Select(int seconds, int microseconds, int socket = -1)
   {
     int s = (socket < 0) ? _sock : socket;
     struct timeval tv;
@@ -192,14 +194,14 @@ class GmshSocket{
   {
     SendMessage(type, (int)strlen(str), str);
   }
-  void Info(const char *str){ SendString(GMSH_INFO, str); }
-  void Warning(const char *str){ SendString(GMSH_WARNING, str); }
-  void Error(const char *str){ SendString(GMSH_ERROR, str); }
-  void Progress(const char *str){ SendString(GMSH_PROGRESS, str); }
-  void MergeFile(const char *str){ SendString(GMSH_MERGE_FILE, str); }
-  void OpenProject(const char *str){ SendString(GMSH_OPEN_PROJECT, str); }
-  void ParseString(const char *str){ SendString(GMSH_PARSE_STRING, str); }
-  void SpeedTest(const char *str){ SendString(GMSH_SPEED_TEST, str); }
+  void Info(const char *str) { SendString(GMSH_INFO, str); }
+  void Warning(const char *str) { SendString(GMSH_WARNING, str); }
+  void Error(const char *str) { SendString(GMSH_ERROR, str); }
+  void Progress(const char *str) { SendString(GMSH_PROGRESS, str); }
+  void MergeFile(const char *str) { SendString(GMSH_MERGE_FILE, str); }
+  void OpenProject(const char *str) { SendString(GMSH_OPEN_PROJECT, str); }
+  void ParseString(const char *str) { SendString(GMSH_PARSE_STRING, str); }
+  void SpeedTest(const char *str) { SendString(GMSH_SPEED_TEST, str); }
   void Option(int num, const char *str)
   {
     if(num < 1) num = 1;
@@ -209,15 +211,15 @@ class GmshSocket{
   int ReceiveHeader(int *type, int *len, int *swap)
   {
     *swap = 0;
-    if(_receiveData(type, sizeof(int)) > 0){
-      if(*type > 65535){
+    if(_receiveData(type, sizeof(int)) > 0) {
+      if(*type > 65535) {
         // the data comes from a machine with different endianness and
         // we must swap the bytes
         *swap = 1;
-        _swapBytes((char*)type, sizeof(int), 1);
+        _swapBytes((char *)type, sizeof(int), 1);
       }
-      if(_receiveData(len, sizeof(int)) > 0){
-        if(*swap) _swapBytes((char*)len, sizeof(int), 1);
+      if(_receiveData(len, sizeof(int)) > 0) {
+        if(*swap) _swapBytes((char *)len, sizeof(int), 1);
         return 1;
       }
     }
@@ -251,24 +253,25 @@ class GmshSocket{
     shutdown(s, SHUT_RDWR);
 #endif
   }
-  unsigned long int SentBytes(){ return _sent; }
-  unsigned long int ReceivedBytes(){ return _received; }
+  unsigned long int SentBytes() { return _sent; }
+  unsigned long int ReceivedBytes() { return _received; }
 };
 
 class GmshClient : public GmshSocket {
- public:
+public:
   GmshClient() : GmshSocket() {}
-  ~GmshClient(){}
+  ~GmshClient() {}
   int Connect(const char *sockname)
   {
-    if(strstr(sockname, "/") || strstr(sockname, "\\") || !strstr(sockname, ":")){
+    if(strstr(sockname, "/") || strstr(sockname, "\\") ||
+       !strstr(sockname, ":")) {
 #if !defined(WIN32) || defined(__CYGWIN__)
       // UNIX socket (testing ":" is not enough with Windows paths)
       _sock = socket(PF_UNIX, SOCK_STREAM, 0);
       if(_sock < 0) return -1;
       // try to connect socket to given name
       struct sockaddr_un addr_un;
-      memset((char *) &addr_un, 0, sizeof(addr_un));
+      memset((char *)&addr_un, 0, sizeof(addr_un));
       addr_un.sun_family = AF_UNIX;
       strcpy(addr_un.sun_path, sockname);
       for(int tries = 0; tries < 5; tries++) {
@@ -280,7 +283,7 @@ class GmshClient : public GmshSocket {
       return -1; // Unix sockets are not available on Windows
 #endif
     }
-    else{
+    else {
       // TCP/IP socket
       _sock = socket(AF_INET, SOCK_STREAM, 0);
       if(_sock < 0) return -1;
@@ -292,26 +295,25 @@ class GmshClient : public GmshSocket {
       int portno = atoi(port + 1);
       char *remote = strdup(sockname);
       int remotelen = (int)(strlen(remote) - strlen(port));
-      if(remotelen > 0)
-        strncpy(remote, sockname, remotelen);
-      if(remotelen >= 0)
-        remote[remotelen] = '\0';
+      if(remotelen > 0) strncpy(remote, sockname, remotelen);
+      if(remotelen >= 0) remote[remotelen] = '\0';
       struct hostent *server;
-      if(!(server = gethostbyname(remote))){
+      if(!(server = gethostbyname(remote))) {
         CloseSocket(_sock);
         free(remote);
         return -3; // no such host
       }
       free(remote);
       struct sockaddr_in addr_in;
-      memset((char *) &addr_in, 0, sizeof(addr_in));
+      memset((char *)&addr_in, 0, sizeof(addr_in));
       addr_in.sin_family = AF_INET;
-      memcpy((char *)&addr_in.sin_addr.s_addr, (char *)server->h_addr, server->h_length);
+      memcpy((char *)&addr_in.sin_addr.s_addr, (char *)server->h_addr,
+             server->h_length);
       addr_in.sin_port = htons(portno);
       for(int tries = 0; tries < 5; tries++) {
-        if(connect(_sock, (struct sockaddr *)&addr_in, sizeof(addr_in)) >= 0){
+        if(connect(_sock, (struct sockaddr *)&addr_in, sizeof(addr_in)) >= 0) {
           return _sock;
-	}
+        }
         _sleep(100);
       }
     }
@@ -328,27 +330,30 @@ class GmshClient : public GmshSocket {
 #endif
     SendString(GMSH_START, tmp);
   }
-  void Stop(){ SendString(GMSH_STOP, "Goodbye!"); }
-  void Disconnect(){ CloseSocket(_sock); }
+  void Stop() { SendString(GMSH_STOP, "Goodbye!"); }
+  void Disconnect() { CloseSocket(_sock); }
 };
 
-class GmshServer : public GmshSocket{
- private:
+class GmshServer : public GmshSocket {
+private:
   int _portno;
- public:
+
+public:
   GmshServer() : GmshSocket(), _portno(-1) {}
-  virtual ~GmshServer(){}
-  virtual int NonBlockingSystemCall(const std::string &exe, const std::string &args) = 0;
-  virtual int NonBlockingWait(double waitint, double timeout, int socket=-1) = 0;
+  virtual ~GmshServer() {}
+  virtual int NonBlockingSystemCall(const std::string &exe,
+                                    const std::string &args) = 0;
+  virtual int NonBlockingWait(double waitint, double timeout,
+                              int socket = -1) = 0;
   // start the client by launching "exe args" (args is supposed to contain
   // '%s' where the socket name should appear)
-  int Start(const std::string &exe, const std::string &args, const std::string &sockname,
-            double timeout)
+  int Start(const std::string &exe, const std::string &args,
+            const std::string &sockname, double timeout)
   {
     _sockname = sockname;
     int tmpsock;
     if(strstr(_sockname.c_str(), "/") || strstr(_sockname.c_str(), "\\") ||
-       !strstr(_sockname.c_str(), ":")){
+       !strstr(_sockname.c_str(), ":")) {
       // UNIX socket (testing ":" is not enough with Windows paths)
       _portno = -1;
 #if !defined(WIN32) || defined(__CYGWIN__)
@@ -359,10 +364,10 @@ class GmshServer : public GmshSocket{
       if(tmpsock < 0) throw "Couldn't create socket";
       // bind the socket to its name
       struct sockaddr_un addr_un;
-      memset((char *) &addr_un, 0, sizeof(addr_un));
+      memset((char *)&addr_un, 0, sizeof(addr_un));
       strcpy(addr_un.sun_path, _sockname.c_str());
       addr_un.sun_family = AF_UNIX;
-      if(bind(tmpsock, (struct sockaddr *)&addr_un, sizeof(addr_un)) < 0){
+      if(bind(tmpsock, (struct sockaddr *)&addr_un, sizeof(addr_un)) < 0) {
         CloseSocket(tmpsock);
         throw "Couldn't bind socket to name";
       }
@@ -372,7 +377,7 @@ class GmshServer : public GmshSocket{
       throw "Unix sockets not available on Windows";
 #endif
     }
-    else{
+    else {
       // TCP/IP socket: valid names are either explicit ("hostname:12345")
       // or implicit ("hostname:", "hostname: ", "hostname:0") in which case
       // the system attributes at random an available port
@@ -391,62 +396,60 @@ class GmshServer : public GmshSocket{
         throw "Couldn't create socket";
       // bind the socket to its name
       struct sockaddr_in addr_in;
-      memset((char *) &addr_in, 0, sizeof(addr_in));
+      memset((char *)&addr_in, 0, sizeof(addr_in));
       addr_in.sin_family = AF_INET;
       addr_in.sin_addr.s_addr = INADDR_ANY;
       addr_in.sin_port = htons(_portno); // random assign if _portno == 0
-      if(bind(tmpsock, (struct sockaddr *)&addr_in, sizeof(addr_in)) < 0){
+      if(bind(tmpsock, (struct sockaddr *)&addr_in, sizeof(addr_in)) < 0) {
         CloseSocket(tmpsock);
         throw "Couldn't bind socket to name";
       }
-      if(!_portno){ // retrieve name if randomly assigned port
+      if(!_portno) { // retrieve name if randomly assigned port
         socklen_t addrlen = sizeof(addr_in);
         getsockname(tmpsock, (struct sockaddr *)&addr_in, &addrlen);
         _portno = ntohs(addr_in.sin_port);
-	int pos = (int)_sockname.find(':'); // remove trailing ' ' or '0'
+        int pos = (int)_sockname.find(':'); // remove trailing ' ' or '0'
         char tmp[256];
-	sprintf(tmp, "%s:%d", _sockname.substr(0, pos).c_str(), _portno);
+        sprintf(tmp, "%s:%d", _sockname.substr(0, pos).c_str(), _portno);
         _sockname.assign(tmp);
       }
     }
 
-    if(exe.size() || args.size()){
+    if(exe.size() || args.size()) {
       char s[1024];
       sprintf(s, args.c_str(), _sockname.c_str());
       NonBlockingSystemCall(exe, s); // starts the solver
     }
-    else{
+    else {
       timeout = 0.; // no command launched: don't set a timeout
     }
 
     // listen on socket (queue up to 20 connections before having
     // them automatically rejected)
-    if(listen(tmpsock, 20)){
+    if(listen(tmpsock, 20)) {
       CloseSocket(tmpsock);
       throw "Socket listen failed";
     }
 
     // wait until we get data
     int ret = NonBlockingWait(0.001, timeout, tmpsock);
-    if(ret){
+    if(ret) {
       CloseSocket(tmpsock);
-      if(ret == 2){
-        throw "Socket listening timeout";
-      }
-      else{
+      if(ret == 2) { throw "Socket listening timeout"; }
+      else {
         return -1; // stopped listening
       }
     }
 
     // accept connection request
-    if(_portno < 0){
+    if(_portno < 0) {
 #if !defined(WIN32) || defined(__CYGWIN__)
       struct sockaddr_un from_un;
       socklen_t len = sizeof(from_un);
       _sock = accept(tmpsock, (struct sockaddr *)&from_un, &len);
 #endif
     }
-    else{
+    else {
       struct sockaddr_in from_in;
       socklen_t len = sizeof(from_in);
       _sock = accept(tmpsock, (struct sockaddr *)&from_in, &len);
@@ -454,15 +457,13 @@ class GmshServer : public GmshSocket{
       setsockopt(_sock, IPPROTO_TCP, TCP_NODELAY, &one, sizeof(one));
     }
     CloseSocket(tmpsock);
-    if(_sock < 0)
-      throw "Socket accept failed";
+    if(_sock < 0) throw "Socket accept failed";
     return _sock;
   }
   int Shutdown()
   {
 #if !defined(WIN32) || defined(__CYGWIN__)
-    if(_portno < 0)
-      unlink(_sockname.c_str());
+    if(_portno < 0) unlink(_sockname.c_str());
 #endif
     ShutdownSocket(_sock);
     CloseSocket(_sock);
diff --git a/src/common/onelab.h b/src/common/onelab.h
index 2e21e91b537f68c9f40613aff09a7dbde63d3986..e7b5a783f88e99b543e6ba509d44bd100b13d7f2 100644
--- a/src/common/onelab.h
+++ b/src/common/onelab.h
@@ -97,8 +97,7 @@ namespace onelab {
         if(it != _clients.end()) it->second = changed;
       }
       else {
-        for(auto it = _clients.begin();
-            it != _clients.end(); it++)
+        for(auto it = _clients.begin(); it != _clients.end(); it++)
           it->second = changed;
       }
     }
@@ -180,8 +179,7 @@ namespace onelab {
       }
       else {
         int changed = 0;
-        for(auto it = _clients.begin();
-            it != _clients.end(); it++) {
+        for(auto it = _clients.begin(); it != _clients.end(); it++) {
           changed = std::max(changed, it->second);
         }
         return changed;
@@ -193,8 +191,7 @@ namespace onelab {
     bool getReadOnly() const { return _readOnly; }
     std::string getAttribute(const std::string &key) const
     {
-      auto it =
-        _attributes.find(key);
+      auto it = _attributes.find(key);
       if(it != _attributes.end()) return it->second;
       return "";
     }
@@ -262,14 +259,11 @@ namespace onelab {
               << getChangedValue() << charSep() << (getVisible() ? 1 : 0)
               << charSep() << (getReadOnly() ? 1 : 0) << charSep()
               << _attributes.size() << charSep();
-      for(auto it =
-            _attributes.begin();
-          it != _attributes.end(); it++)
+      for(auto it = _attributes.begin(); it != _attributes.end(); it++)
         sstream << sanitize(it->first) << charSep() << sanitize(it->second)
                 << charSep();
       sstream << getClients().size() << charSep();
-      for(auto it = getClients().begin();
-          it != getClients().end(); it++)
+      for(auto it = getClients().begin(); it != getClients().end(); it++)
         sstream << sanitize(it->first) << charSep() << (it->second ? 1 : 0)
                 << charSep();
       return sstream.str();
@@ -354,9 +348,7 @@ namespace onelab {
               << ", \"readOnly\":" << (getReadOnly() ? "true" : "false");
       if(_attributes.size()) {
         sstream << ", \"attributes\":{ ";
-        for(auto it =
-              _attributes.begin();
-            it != _attributes.end(); it++) {
+        for(auto it = _attributes.begin(); it != _attributes.end(); it++) {
           if(it != _attributes.begin()) sstream << ", ";
           sstream << "\"" << sanitizeJSON(it->first) << "\":\""
                   << sanitizeJSON(it->second) << "\"";
@@ -365,9 +357,7 @@ namespace onelab {
       }
       if(getClients().size()) {
         sstream << ", \"clients\":{ ";
-        for(auto it =
-              getClients().begin();
-            it != getClients().end(); it++) {
+        for(auto it = getClients().begin(); it != getClients().end(); it++) {
           if(it != getClients().begin()) sstream << ", ";
           sstream << "\"" << sanitizeJSON(it->first) << "\":" << it->second;
         }
@@ -378,8 +368,7 @@ namespace onelab {
 #if defined(HAVE_PICOJSON)
     virtual bool fromJSON(const picojson::value::object &par)
     {
-      for(auto it = par.begin();
-          it != par.end(); ++it) {
+      for(auto it = par.begin(); it != par.end(); ++it) {
         if(it->first == "name") {
           if(!it->second.is<std::string>()) return false;
           setName(it->second.get<std::string>());
@@ -408,8 +397,7 @@ namespace onelab {
           if(!it->second.is<picojson::object>()) return false;
           const picojson::value::object &obj =
             it->second.get<picojson::object>();
-          for(auto i = obj.begin();
-              i != obj.end(); ++i) {
+          for(auto i = obj.begin(); i != obj.end(); ++i) {
             std::string key(i->first);
             if(!i->second.is<std::string>()) return false;
             setAttribute(key, i->second.get<std::string>());
@@ -419,8 +407,7 @@ namespace onelab {
           if(!it->second.is<picojson::object>()) return false;
           const picojson::value::object &obj =
             it->second.get<picojson::object>();
-          for(auto i = obj.begin();
-              i != obj.end(); ++i) {
+          for(auto i = obj.begin(); i != obj.end(); ++i) {
             std::string client(i->first);
             if(!i->second.is<double>()) return false;
             addClient(client, (int)i->second.get<double>());
@@ -515,8 +502,7 @@ namespace onelab {
     }
     std::string getValueLabel(double value) const
     {
-      auto it =
-        _valueLabels.find(value);
+      auto it = _valueLabels.find(value);
       if(it != _valueLabels.end()) return it->second;
       return "";
     }
@@ -559,9 +545,7 @@ namespace onelab {
       for(std::size_t i = 0; i < _choices.size(); i++)
         sstream << _choices[i] << charSep();
       sstream << _valueLabels.size() << charSep();
-      for(auto it =
-            _valueLabels.begin();
-          it != _valueLabels.end(); it++) {
+      for(auto it = _valueLabels.begin(); it != _valueLabels.end(); it++) {
         sstream << it->first << charSep() << sanitize(it->second) << charSep();
       }
       return sstream.str();
@@ -609,9 +593,7 @@ namespace onelab {
       }
       if(_valueLabels.size()) {
         sstream << ", \"valueLabels\":{ ";
-        for(auto it =
-              _valueLabels.begin();
-            it != _valueLabels.end(); it++) {
+        for(auto it = _valueLabels.begin(); it != _valueLabels.end(); it++) {
           if(it != _valueLabels.begin()) sstream << ", ";
           sstream << "\"" << sanitizeJSON(it->second) << "\":" << it->first;
         }
@@ -641,8 +623,7 @@ namespace onelab {
     bool fromJSON(const picojson::value::object &par)
     {
       if(!parameter::fromJSON(par)) return false;
-      for(auto it = par.begin();
-          it != par.end(); ++it) {
+      for(auto it = par.begin(); it != par.end(); ++it) {
         if(it->first == "values") {
           if(!it->second.is<picojson::array>()) return false;
           const picojson::value::array &arr = it->second.get<picojson::array>();
@@ -681,8 +662,7 @@ namespace onelab {
           if(!it->second.is<picojson::object>()) return false;
           const picojson::value::object &obj =
             it->second.get<picojson::object>();
-          for(auto i = obj.begin();
-              i != obj.end(); ++i) {
+          for(auto i = obj.begin(); i != obj.end(); ++i) {
             if(!i->second.is<double>()) return false;
             _valueLabels[i->second.get<double>()] = i->first;
           }
@@ -730,10 +710,7 @@ namespace onelab {
       if(_values.empty()) return n;
       return _values[0];
     }
-    std::string getValueAsString() const
-    {
-      return getValue();
-    }
+    std::string getValueAsString() const { return getValue(); }
     const std::vector<std::string> &getValues() const { return _values; }
     int getNumValues() const { return (int)_values.size(); }
     const std::string &getKind() const { return _kind; }
@@ -831,8 +808,7 @@ namespace onelab {
     bool fromJSON(const picojson::value::object &par)
     {
       if(!parameter::fromJSON(par)) return false;
-      for(auto it = par.begin();
-          it != par.end(); ++it) {
+      for(auto it = par.begin(); it != par.end(); ++it) {
         if(it->first == "values") {
           if(!it->second.is<picojson::array>()) return false;
           const picojson::value::array &arr = it->second.get<picojson::array>();
@@ -876,8 +852,7 @@ namespace onelab {
     {
       if(name.empty() && client.size()) {
         std::vector<T *> toDelete;
-        for(auto it = ps.begin();
-            it != ps.end();) {
+        for(auto it = ps.begin(); it != ps.end();) {
           T *p = *it;
           if(p->hasClient(client)) {
             ps.erase(it++); // to avoid invalid iterator
@@ -936,15 +911,13 @@ namespace onelab {
     {
       p.clear();
       if(name.empty()) {
-        for(auto it = ps.begin();
-            it != ps.end(); it++)
-          p.push_back(**it);
+        for(auto it = ps.begin(); it != ps.end(); it++) p.push_back(**it);
       }
       else {
         T tmp(name);
         auto it = ps.find(&tmp);
         if(it != ps.end()) {
-          if(client.size()){
+          if(client.size()) {
             _mutex.lock();
             (*it)->addClient(client, parameter::defaultChangedValue());
             _mutex.unlock();
@@ -961,7 +934,7 @@ namespace onelab {
       T tmp(name);
       auto it = ps.find(&tmp);
       if(it != ps.end()) {
-        if(client.size()){
+        if(client.size()) {
           _mutex.lock();
           (*it)->addClient(client, parameter::defaultChangedValue());
           _mutex.unlock();
@@ -979,9 +952,7 @@ namespace onelab {
       if(name.empty() && client.empty()) {
         std::set<parameter *, parameterLessThan> ps;
         getAllParameters(ps);
-        for(auto it = ps.begin();
-            it != ps.end(); it++)
-          delete *it;
+        for(auto it = ps.begin(); it != ps.end(); it++) delete *it;
         _numbers.clear();
         _strings.clear();
       }
@@ -1023,10 +994,7 @@ namespace onelab {
       ps.insert(_numbers.begin(), _numbers.end());
       ps.insert(_strings.begin(), _strings.end());
     }
-    int getNumParameters()
-    {
-      return (int)(_numbers.size() + _strings.size());
-    }
+    int getNumParameters() { return (int)(_numbers.size() + _strings.size()); }
     void getParameterNames(std::vector<std::string> &names,
                            const std::string &search = "") const
     {
@@ -1035,8 +1003,8 @@ namespace onelab {
         for(auto &p : _numbers) names.push_back(p->getName());
         for(auto &p : _strings) names.push_back(p->getName());
       }
-      else{
-        try{
+      else {
+        try {
           for(auto &p : _numbers) {
             if(std::regex_search(p->getName(), std::regex(search)))
               names.push_back(p->getName());
@@ -1045,8 +1013,7 @@ namespace onelab {
             if(std::regex_search(p->getName(), std::regex(search)))
               names.push_back(p->getName());
           }
-        }
-        catch(...) {
+        } catch(...) {
         }
       }
     }
@@ -1055,8 +1022,7 @@ namespace onelab {
     {
       std::set<parameter *, parameterLessThan> ps;
       getAllParameters(ps);
-      for(auto it = ps.begin();
-          it != ps.end(); it++)
+      for(auto it = ps.begin(); it != ps.end(); it++)
         if((*it)->hasClient(client)) return true;
       return false;
     }
@@ -1067,8 +1033,7 @@ namespace onelab {
       std::set<parameter *, parameterLessThan> ps;
       getAllParameters(ps);
       int changed = 0;
-      for(auto it = ps.begin();
-          it != ps.end(); it++) {
+      for(auto it = ps.begin(); it != ps.end(); it++) {
         changed = std::max(changed, (*it)->getChanged(client));
       }
       return changed;
@@ -1079,16 +1044,14 @@ namespace onelab {
     {
       std::set<parameter *, parameterLessThan> ps;
       getAllParameters(ps);
-      for(auto it = ps.begin();
-          it != ps.end(); it++)
+      for(auto it = ps.begin(); it != ps.end(); it++)
         (*it)->setChanged(changed, client);
     }
     void thresholdChanged(int threshold, const std::string &client = "")
     {
       std::set<parameter *, parameterLessThan> ps;
       getAllParameters(ps);
-      for(auto it = ps.begin();
-          it != ps.end(); it++) {
+      for(auto it = ps.begin(); it != ps.end(); it++) {
         int changed = (*it)->getChanged(client);
         if(changed > threshold) (*it)->setChanged(threshold, client);
       }
@@ -1100,9 +1063,7 @@ namespace onelab {
       std::vector<std::string> s;
       std::set<parameter *, parameterLessThan> ps;
       getAllParameters(ps);
-      for(auto it =
-            ps.begin();
-          it != ps.end(); it++)
+      for(auto it = ps.begin(); it != ps.end(); it++)
         if(client.empty() || (*it)->hasClient(client)) {
           if((*it)->getAttribute("NotInDb") != "True")
             s.push_back((*it)->toChar());
@@ -1147,9 +1108,7 @@ namespace onelab {
       json += "  \"parameters\":[\n";
       std::set<parameter *, parameterLessThan> ps;
       getAllParameters(ps);
-      for(auto it =
-            ps.begin();
-          it != ps.end(); it++) {
+      for(auto it = ps.begin(); it != ps.end(); it++) {
         if(it != ps.begin()) json += ",\n";
         if(client.empty() || (*it)->hasClient(client)) {
           if((*it)->getAttribute("NotInDb") != "True") {
@@ -1166,12 +1125,13 @@ namespace onelab {
       picojson::value v;
       std::string err = picojson::parse(v, json);
       if(err.size()) return false;
-      if(v.is<picojson::object>()){ // full database or single parameter
+      if(v.is<picojson::object>()) { // full database or single parameter
         const picojson::value::object &obj = v.get<picojson::object>();
         auto it = obj.find("onelab");
-        if(it != obj.end()){ // full database
+        if(it != obj.end()) { // full database
           if(!it->second.is<picojson::object>()) return false;
-          const picojson::value::object &db = it->second.get<picojson::object>();
+          const picojson::value::object &db =
+            it->second.get<picojson::object>();
           for(auto j = db.begin(); j != db.end(); ++j) {
             if(j->first == "version") {
               if(!j->second.is<std::string>()) return false;
@@ -1180,21 +1140,23 @@ namespace onelab {
             }
             else if(j->first == "parameters") {
               if(!j->second.is<picojson::array>()) return false;
-              const picojson::value::array &arr = j->second.get<picojson::array>();
+              const picojson::value::array &arr =
+                j->second.get<picojson::array>();
               for(std::size_t k = 0; k < arr.size(); k++) {
                 if(!arr[k].is<picojson::object>()) return false;
-                const picojson::value::object &par = arr[k].get<picojson::object>();
+                const picojson::value::object &par =
+                  arr[k].get<picojson::object>();
                 if(!fromJSON(par, client)) return false;
               }
             }
           }
           return true;
         }
-        else{ // single parameter
+        else { // single parameter
           return fromJSON(obj, client);
         }
       }
-      else if(v.is<picojson::array>()){ // array of parameters
+      else if(v.is<picojson::array>()) { // array of parameters
         const picojson::value::array &arr = v.get<picojson::array>();
         for(std::size_t k = 0; k < arr.size(); k++) {
           if(!arr[k].is<picojson::object>()) return false;
@@ -1203,7 +1165,7 @@ namespace onelab {
         }
         return true;
       }
-      else{
+      else {
         return false;
       }
 #else
@@ -1211,7 +1173,8 @@ namespace onelab {
 #endif
     }
 #if defined(HAVE_PICOJSON)
-    bool fromJSON(const picojson::value::object &par, const std::string &client = "")
+    bool fromJSON(const picojson::value::object &par,
+                  const std::string &client = "")
     {
       auto it = par.find("type");
       if(it == par.end()) return false;
@@ -1391,10 +1354,7 @@ namespace onelab {
     {
       _parameterSpace.thresholdChanged(value, client);
     }
-    int getNumParameters()
-    {
-      return _parameterSpace.getNumParameters();
-    }
+    int getNumParameters() { return _parameterSpace.getNumParameters(); }
     void getParameterNames(std::vector<std::string> &names,
                            const std::string &search = "") const
     {
@@ -1706,8 +1666,8 @@ namespace onelab {
       if(!_gmshClient) return false;
       std::string msg = name;
       if(msg.empty()) msg = "*";
-      _gmshClient->SendMessage(GmshSocket::GMSH_PARAMETER_CLEAR, (int)msg.size(),
-                               &msg[0]);
+      _gmshClient->SendMessage(GmshSocket::GMSH_PARAMETER_CLEAR,
+                               (int)msg.size(), &msg[0]);
       return true;
     }
     virtual bool set(const number &p) { return _set(p); }
@@ -1783,7 +1743,8 @@ namespace onelab {
       }
 #endif
       std::string msg = name + parameter::charSep() + command;
-      _gmshClient->SendMessage(GmshSocket::GMSH_CONNECT, (int)msg.size(), &msg[0]);
+      _gmshClient->SendMessage(GmshSocket::GMSH_CONNECT, (int)msg.size(),
+                               &msg[0]);
       _numSubClients += 1;
     }
     void runSubClient(const std::string &name, const std::string &command)