[Converters] Add toStringNoZero() function

letscontrolit · Aug 15, 2023 · dfcf29f · dfcf29f
1 parent c25341d
commit dfcf29f
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Showing 2 changed files with 13 additions and 0 deletions.
diff --git a/src/src/Helpers/StringConverter_Numerical.cpp b/src/src/Helpers/StringConverter_Numerical.cpp
@@ -116,6 +116,17 @@ String trimTrailingZeros(const String& value) {
 
 }
 
+/**
+ * Helper: Convert an integer to string, but return an empty string for 0, to save a little space in settings
+ */
+String toStringNoZero(int64_t value) {
+  if (value != 0) {
+    return toString(value, 0);
+  } else {
+    return EMPTY_STRING;
+  }
+}
+
 #if FEATURE_USE_DOUBLE_AS_ESPEASY_RULES_FLOAT_TYPE
 String doubleToString(const double& value, unsigned int decimalPlaces, bool trimTrailingZeros_b) {
   // This has been fixed in ESP32 code, not (yet) in ESP8266 code

diff --git a/src/src/Helpers/StringConverter_Numerical.h b/src/src/Helpers/StringConverter_Numerical.h
@@ -30,6 +30,8 @@ String ll2String(int64_t value,
 
 String trimTrailingZeros(const String& value);
 
+String toStringNoZero(int64_t value);
+
 #if FEATURE_USE_DOUBLE_AS_ESPEASY_RULES_FLOAT_TYPE
 String doubleToString(const double& value,
                       unsigned int  decimalPlaces     = 2,