Prepares for MdiIcons library

components/nspanel_ha_blueprint/mdiicons.cpp

@@ -0,0 +1,67 @@
+// mdiicons.cpp
+
+#include "MdiIcons.h"
+#include "esphome/core/log.h"
+
+using namespace esphome;
+
+// Setup method to allocate and initialize the icon pool
+void MdiIcons::setup() {
+    iconPool = new MdiIcon[iconPoolCapacity];  // Allocate memory for the icon pool
+    if (!iconPool) {
+        ESP_LOGE("MdiIcons", "Failed to allocate memory for icons in PSRAM");
+        return;
+    }
+    memset(iconPool, 0, iconPoolCapacity * sizeof(MdiIcon));  // Initialize memory to zero
+    ESP_LOGI("MdiIcons", "Icon pool initialized with capacity %u", iconPoolCapacity);
+}
+
+// Method to log the configuration of the icon pool
+void MdiIcons::dump_config() {
+    ESP_LOGCONFIG("MdiIcons", "MDI Icons component initialized with a pool capacity of %u", iconPoolCapacity);
+}
+
+// Method to find an icon by name. Returns a pointer to the icon if found, otherwise nullptr
+const MdiIcon* MdiIcons::find_icon(const char* name) const {
+    for (size_t i = 0; i < iconPoolSize; ++i) {
+        if (strcmp(iconPool[i].name, name) == 0) {
+            return &iconPool[i];
+        }
+    }
+    return nullptr;
+}
+
+// Method to add a new icon to the pool. Checks for duplicates, resizes the pool if necessary, and adds the icon
+bool MdiIcons::add_icon(const char* name, const char* code) {
+    if (find_icon(name) != nullptr) {
+        ESP_LOGW("MdiIcons", "Icon '%s' is already in the pool. Not adding again.", name);
+        return false;
+    }
+
+    if (iconPoolSize >= iconPoolCapacity) {
+        resize_pool();
+    }
+
+    strncpy(iconPool[iconPoolSize].name, name, sizeof(MdiIcon::name) - 1);
+    strncpy(iconPool[iconPoolSize].code, code, sizeof(MdiIcon::code) - 1);
+    iconPool[iconPoolSize].name[sizeof(MdiIcon::name) - 1] = '\0';
+    iconPool[iconPoolSize].code[sizeof(MdiIcon::code) - 1] = '\0';
+    iconPoolSize++;
+    ESP_LOGI("MdiIcons", "New icon '%s' added to the pool.", name);
+    return true;
+}
+
+// Method to double the capacity of the icon pool when it is full
+void MdiIcons::resize_pool() {
+    size_t newCapacity = iconPoolCapacity * 2;
+    MdiIcon* newPool = new MdiIcon[newCapacity];
+    if (!newPool) {
+        ESP_LOGE("MdiIcons", "Failed to resize the icon pool");
+        return;
+    }
+    memcpy(newPool, iconPool, iconPoolSize * sizeof(MdiIcon));
+    delete[] iconPool;
+    iconPool = newPool;
+    iconPoolCapacity = newCapacity;
+    ESP_LOGI("MdiIcons", "Icon pool resized to %u.", iconPoolCapacity);
+}