Review components files

components/nspanel_ha_blueprint/text.cpp

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+// text.cpp
+
+#include "text.h"
+#include <algorithm>
+#include <cctype>
+#include <cstring>
+
+namespace nspanel_ha_blueprint {
+
+    template <unsigned int N>
+    void copyStringToCharArray(char (&dest)[N], const std::string& src) {
+        size_t length = std::min(src.size(), static_cast<size_t>(N - 1));
+        std::strncpy(dest, src.c_str(), length);
+        dest[length] = '\0';
+    }
+
+    // Explicit template instantiation might be needed depending on usage
+    // template void copyStringToCharArray<YOUR_SIZE_HERE>(char (&)[YOUR_SIZE_HERE], const std::string&);
+
+    bool isNumberChar(char c) {
+        return std::isdigit(static_cast<unsigned char>(c)) || c == '.' || c == '-' || c == ',';
+    }
+
+    std::string adjustDecimalSeparator(const std::string& input, char decimalSeparator) {
+        if (decimalSeparator == '.') {
+            return input;
+        }
+
+        size_t numericEnd = 0;
+        for (; numericEnd < input.size() && isNumberChar(input[numericEnd]); ++numericEnd);
+
+        std::string numericPart = input.substr(0, numericEnd);
+        std::string suffix = input.substr(numericEnd);
+
+        char* end;
+        double val = strtod(numericPart.c_str(), &end);
+
+        if (end != numericPart.c_str() && *end == '\0') {
+            size_t decimalPointPos = numericPart.find('.');
+            if (decimalPointPos != std::string::npos) {
+                numericPart[decimalPointPos] = decimalSeparator;
+            }
+            return numericPart + suffix;
+        } else {
+            return input;
+        }
+    }
+
+}  // namespace nspanel_ha_blueprint