Having a std::vector problem.

.travis.yml

@@ -20,7 +20,7 @@ before_install:
   - if [[ "$BOARD" =~ "esp32:esp32:" ]]; then
       arduino --install-boards esp32:esp32;
     fi
-  - arduino --install-library PubSubClient,ArduinoJson:5.13.3,PageBuilder:1.2.1
+  - arduino --install-library PubSubClient,ArduinoJson:5.13.3,PageBuilder:1.2.2
   - buildExampleSketch() { arduino --verbose-build --verify --board $BOARD $PWD/examples/$1/$1.ino; }
 install:
   - mkdir -p ~/Arduino/libraries

examples/mqttRSSI/data/param.json

@@ -0,0 +1,27 @@
+[
+  {
+    "name": "mqttserver",
+    "type": "ACInput",
+    "value": "mqtt.thingspeak.com",
+    "placeholder": "MQTT broker server",
+    "label": "Server"
+  },
+  {
+    "name": "channelid",
+    "type": "ACInput",
+    "value": "454951",
+    "label": "Channel ID"
+  },
+  {
+    "name": "userkey",
+    "type": "ACInput",
+    "value": "NRTFYGJ6TJFGX4RC",
+    "label": "User Key"
+  },
+  {
+    "name": "apikey",
+    "type": "ACInput",
+    "value": "HBVQ2XV6VYBI4582",
+    "label": "API Key"
+  }
+]

examples/mqttRSSI/mqttRSSI.ino

@@ -57,26 +57,22 @@ static const char AUX_mqtt_setting[] PROGMEM = R"raw(
       {
         "name": "mqttserver",
         "type": "ACInput",
-        "value": "mqtt.thingspeak.com",
         "placeholder": "MQTT broker server",
         "label": "Server"
       },
       {
         "name": "channelid",
         "type": "ACInput",
-        "value": "454951",
         "label": "Channel ID"
       },
       {
         "name": "userkey",
         "type": "ACInput",
-        "value": "NRTFYGJ6TJFGX4RC",
         "label": "User Key"
       },
       {
         "name": "apikey",
         "type": "ACInput",
-        "value": "HBVQ2XV6VYBI4582",
         "label": "API Key"
       },
       {
@@ -85,8 +81,7 @@ static const char AUX_mqtt_setting[] PROGMEM = R"raw(
         "label": "Update period",
         "value": [
           "30 sec.",
-          "60 sec.",
+          "60 sec."
-          "180 sec."
         ],
         "arrange": "vertical",
         "checked": 1
@@ -112,7 +107,7 @@ static const char AUX_mqtt_setting[] PROGMEM = R"raw(
       {
         "name": "save",
         "type": "ACSubmit",
-        "value": "Save&Start",
+        "value": "Save&Start",
         "uri": "/mqtt_save"
       },
       {
@@ -186,7 +181,8 @@ bool mqttConnect() {
     if (mqttClient.connect(clientId, MQTT_USER_ID, userKey.c_str())) {
       Serial.println("Established:" + String(clientId));
       return true;
-    } else {
+    }
+    else {
       Serial.println("Connection failed:" + String(mqttClient.state()));
       if (!--retry)
         break;
@@ -227,7 +223,10 @@ String loadParams(AutoConnectAux& aux, PageArgument& args) {
   SPIFFS.begin();
   File param = SPIFFS.open(PARAM_FILE, "r");
   if (param) {
-    aux.loadElement(param);
+    // if (aux.loadElement(param))
+    //   Serial.println(PARAM_FILE " loaded");
+    // else
+    //   Serial.println(PARAM_FILE " failed to load");
     param.close();
   }
   else
@@ -360,7 +359,8 @@ void setup() {
   if (portal.begin()) {
     Serial.println("connected:" + WiFi.SSID());
     Serial.println("IP:" + WiFi.localIP().toString());
-  } else {
+  }
+  else {
     Serial.println("connection failed:" + String(WiFi.status()));
     while (1) {
       delay(100);

library.json

@@ -12,7 +12,7 @@
   [
     {
       "name": "PageBuilder",
-      "version": ">=1.2.1"
+      "version": ">=1.2.2"
     }
   ],
   "frameworks": "arduino",

src/AutoConnectElementBasis.h

@@ -120,13 +120,23 @@ class AutoConnectInputBasis : virtual public AutoConnectElementBasis {
  */
 class AutoConnectRadioBasis : virtual public AutoConnectElementBasis {
  public:
-  explicit AutoConnectRadioBasis(const char* name = "", std::vector<String> values = {}, const char* label = "", const ACArrange_t order = AC_Vertical, const uint8_t checked = 0) : AutoConnectElementBasis(name, ""), label(label), order(order), checked(checked), _values(values) {
+  explicit AutoConnectRadioBasis(const char* name = "", std::vector<String> const& values = {}, const char* label = "", const ACArrange_t order = AC_Vertical, const uint8_t checked = 0) : AutoConnectElementBasis(name, ""), label(label), order(order), checked(checked), _values(values) {
     _type = AC_Radio;
+//    _values = values;
+//    for (String v : values) {
+//      add(v);
+//      const std::string sv = v.c_str();
+//      _values.push_back(sv);
+//    }
   }
   virtual ~AutoConnectRadioBasis() {}
   const String  toHTML(void) const override;
-  void  add(const String value) { _values.push_back(value); }
+  void  add(const String& value) { _values.push_back(value); }
-  void  empty(void) { _values.clear(); }
+  //void  add(const String& value) {
+  //  std::string sv = value.c_str();
+  //  _values.push_back(sv);
+  //}
+  void  empty(const size_t reserve = 0) { _values.reserve(reserve);  _values.clear(); std::vector<String>().swap(_values); }
   void  check(const String& value);
 
   String      label;    /**< A label for a subsequent radio buttons */
@@ -135,6 +145,7 @@ class AutoConnectRadioBasis : virtual public AutoConnectElementBasis {
 
  protected:
   std::vector<String> _values; /**< Items in a group */
+//  std::vector<std::string> _values; /**< Items in a group */
 };
 
 /**
@@ -147,13 +158,13 @@ class AutoConnectRadioBasis : virtual public AutoConnectElementBasis {
  */
 class AutoConnectSelectBasis : virtual public AutoConnectElementBasis {
  public:
-  explicit AutoConnectSelectBasis(const char* name = "", std::vector<String> options = {}, const char* label = "") : AutoConnectElementBasis(name, ""), label(String(label)), _options(options) {
+  explicit AutoConnectSelectBasis(const char* name = "", std::vector<String> const& options = {}, const char* label = "") : AutoConnectElementBasis(name, ""), label(String(label)), _options(options) {
     _type = AC_Select;
   }
   virtual ~AutoConnectSelectBasis() {}
   const String  toHTML(void) const override;
-  void  add(const String option) { _options.push_back(option); }
+  void  add(const String& option) { _options.push_back(option); }
-  void  empty(void) { _options.clear(); }
+  void  empty(const size_t reserve = 0) { _options.reserve(reserve); _options.clear(); std::vector<String>().swap(_options); }
 
   String  label;                /**< A label for a subsequent input box */
 

src/AutoConnectElementBasisImpl.h

@@ -77,7 +77,8 @@ const String AutoConnectRadioBasis::toHTML(void) const {
       html += String("<br>");
   }
   for (std::size_t n = 0; n < _values.size(); n++) {
-    String value = _values[n];
+//    String value = _values[n];
+    String value = String(_values[n].c_str());
     html += String(FPSTR("<input type=\"radio\" name=\"")) + name + String(FPSTR("\" id=\"")) + value + String(FPSTR("\" value=\"")) + value + String("\"");
     if (n == checked - 1)
       html += String(FPSTR(" checked"));
@@ -94,7 +95,8 @@ const String AutoConnectRadioBasis::toHTML(void) const {
  */
 void AutoConnectRadioBasis::check(const String& value) {
   for (std::size_t n = 0; n < _values.size(); n++) {
-    String& v = _values[n];
+//    String& v = _values[n];
+    String v = String(_values[n].c_str());
     if (v.equalsIgnoreCase(value)) {
       checked = n + 1;
       break;

src/AutoConnectElementJson.h

@@ -143,6 +143,9 @@ class AutoConnectRadioJson : public AutoConnectElementJson, public AutoConnectRa
     AutoConnectRadioBasis::label = label;
     AutoConnectRadioBasis::order = order;
     AutoConnectRadioBasis::checked = checked;
+    //for (String v : values) {
+    //  AutoConnectRadioBasis::add(v);
+    //}
   }
   ~AutoConnectRadioJson() {}
   const size_t  getObjectSize(void) const override;

src/AutoConnectElementJsonImpl.h

@@ -216,6 +216,10 @@ void AutoConnectRadioJson::serialize(JsonObject& json) {
   json.set(F(AUTOCONNECT_JSON_KEY_TYPE), F(AUTOCONNECT_JSON_TYPE_ACRADIO));
   json.set(F(AUTOCONNECT_JSON_KEY_LABEL), label);
   JsonArray&  values = json.createNestedArray(F(AUTOCONNECT_JSON_KEY_VALUE));
+  //for (std::string& v : _values) {
+  //  String  s = String(v.c_str());
+  //  values.add(s);
+  //}
   for (String v : _values)
     values.add(v);
   switch (order) {