operator()() [3/6]

void fl::BoolConversionVisitor::operator() ( const fl::string & str )

inline

Definition at line 353 of file types.h.

                                                     {
        // NEW INSTRUCTIONS: AUTO CONVERT STRING TO BOOL
        // "true", "1", "yes", "on" (case insensitive) → true
        // "false", "0", "no", "off" (case insensitive) → false
        // Empty string → false
        // Invalid string → nullopt
 
        if (str.empty()) {
            result = false;
            return;
        }
 
        // Convert to lowercase for case-insensitive comparison
        fl::string lower = str;
        for (fl::size i = 0; i < lower.length(); i++) {
            lower[i] = fl::tolower(lower[i]);
        }
 
        // Check for true values
        if (lower == "true" || lower == "1" || lower == "yes" || lower == "on") {
            result = true;
            return;
        }
 
        // Check for false values
        if (lower == "false" || lower == "0" || lower == "no" || lower == "off") {
            result = false;
            return;
        }
 
        // Invalid string - don't set result (leave as nullopt)
    }

References FL_NOEXCEPT, fl::basic_string::length(), result, and fl::tolower().

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