Update cstring.h

Author: dreamer-coding

code/logic/fossil/io/cstring.h

@@ -1130,62 +1130,48 @@ namespace fossil {
             }
 
             /**
-             * @brief Converts a double amount into a formatted money string.
-             *
-             * Example: 1234.56 -> "$1,234.56"
-             *
-             * @param amount Numeric amount to convert.
-             * @return Formatted money string.
+             * Convert numeric amount to string.
+             * Uses default currency "$".
              */
             static std::string money_to_string(double amount) {
-                char buf[128];
-                if (fossil_io_cstring_money_to_string(amount, buf, sizeof(buf)) != 0) {
-                    return "";
+                char buffer[128];
+                if (fossil_io_cstring_money_to_string(amount, buffer, sizeof(buffer)) != 0) {
+                    throw std::runtime_error("Failed to convert amount to string");
                 }
-                return std::string(buf);
+                return std::string(buffer);
             }
-    
+
             /**
-             * @brief Parses a money string into a numeric double value.
-             *
-             * Example: "$1,234.56" -> 1234.56
-             *
-             * @param input Formatted money string.
-             * @param amount Reference to double to store numeric value.
-             * @return true on success, false on failure.
+             * Convert numeric amount to string with currency symbol.
              */
-            static bool string_to_money(const std::string &input, double &amount) {
-                return fossil_io_cstring_string_to_money(input.c_str(), &amount) == 0;
+            static std::string currency_to_string(double amount, const std::string &currency) {
+                char buffer[128];
+                if (fossil_io_cstring_money_to_string_currency(amount, buffer, sizeof(buffer), currency.c_str()) != 0) {
+                    throw std::runtime_error("Failed to convert amount to string with currency");
+                }
+                return std::string(buffer);
             }
-            
+
             /**
-             * @brief Converts a double amount into a formatted money string with optional currency symbol.
-             *
-             * Example: 1234.56 -> "$1,234.56" (USD default)
-             *
-             * @param amount    The numeric amount to convert.
-             * @param output    Buffer to store the formatted string.
-             * @param size      Size of the output buffer.
-             * @param currency  Currency symbol to prepend (e.g., "$", "€", "¥"); NULL defaults to "$".
-             * @return 0 on success, -1 if the buffer is too small or invalid.
+             * Convert string to numeric amount.
              */
-            static int to_string_currency(double amount, std::string &output, size_t size, const std::string &currency){
-                return fossil_io_cstring_money_to_string_currency(amount, output.c_str(), currency.c_str());
+            static double from_money(const std::string &str) {
+                double value = 0.0;
+                if (fossil_io_cstring_string_to_money(str.c_str(), &value) != 0) {
+                    throw std::runtime_error("Failed to parse money string");
+                }
+                return value;
             }
-            
+
             /**
-             * @brief Parses a money string into a numeric double value.
-             *
-             * Detects and ignores a currency symbol at the start.
-             *
-             * Example: "$1,234.56" -> 1234.56
-             *
-             * @param input     Input string representing money.
-             * @param amount    Pointer to store the parsed numeric value.
-             * @return 0 on success, -1 on failure (invalid format).
+             * Convert string to numeric amount with currency detection.
              */
-            static int to_money_currency(const std::string &input, double *amount) {
-                return fossil_io_cstring_string_to_money_currency(input.c_str(), amount);
+            static double from_currency(const std::string &str) {
+                double value = 0.0;
+                if (fossil_io_cstring_string_to_money_currency(str.c_str(), &value) != 0) {
+                    throw std::runtime_error("Failed to parse money string with currency");
+                }
+                return value;
             }
 
             /**