add text component

src/ha.h

@@ -258,6 +258,27 @@ namespace Ha {
         }
     };
 
+    struct Text : Component, StatefulCommand {
+        unsigned int min = 1;
+        unsigned int max = 100;
+        const char* pattern = nullptr;
+
+        Text(const char* name, const char* id, onMessage f) : Component(id, name, "text"), StatefulCommand(this, f) {}
+
+        void updateState(unsigned int value) {
+            State::updateState(to_string(value).c_str());
+        }
+
+        void buildConfig(JsonDocument& jsonDoc) override {
+            Component::buildConfig(jsonDoc);
+            StatefulCommand::buildConfig(jsonDoc);
+            jsonDoc["min"] = min;
+            jsonDoc["max"] = max;
+            jsonDoc["platform"] = "text";
+            if (pattern) jsonDoc["pattern"] = pattern;
+        }
+    };
+
     struct Sensor : Component, State {
         const char* unitMeasure = nullptr;
         const char* valueTemplate = nullptr;
@@ -391,6 +412,11 @@ namespace Ha {
             return *this;
         }
 
+        Builder& withPattern(const char* value) {
+            cmp->pattern = value;
+            return *this;
+        }
+
         Builder& withJsonAttributes(const char* value) {
             cmp->jsonAttributesTemplate = value;
             return *this;