Changeset 667 for code/branches/FICN/src/misc/String2Number.h

Timestamp:

Dec 22, 2007, 2:13:18 AM (17 years ago)

Author:

landauf

Message:

• expanded the String2Number.h file
• changed the SetConfigValue macro
• changed the S2N and N2S conversion in the ConfigValueContainer
• added unsigned int, char, unsigned char, float (additionally to double) and const char* (additionally to std::string) to the ConfigValueContainer

File:

• code/branches/FICN/src/misc/String2Number.h (modified) (1 diff)

code/branches/FICN/src/misc/String2Number.h

@@ -49 +49 @@
 };
 
+
+/**
+    @brief Converts a number of any type to a string.
+    @param variable The variable, containing the number.
+
+    @example
+    float f = 3.14;
+    std::string output = number2String(f);
+*/
+template <typename T>
+const std::string& number2String(T variable)
+{
+    std::ostringstream oss;
+    if (oss << variable)
+        return *(new std::string(oss.str()));
+
+    return *(new std::string(""));
+}
+
+/**
+    @brief Converts a number of any type to a string and assigns a defaultvalue if the conversion fails.
+    @param variable The variable, containing the number.
+    @param fallbackString The assigned string if the conversion fails.
+
+    @example
+    float f = 3.14;
+    std::string output = number2String(f, "0.000000");
+*/
+template <typename T>
+const std::string& number2String(T variable, const std::string& fallbackString)
+{
+    std::cout << "N2Sa: " << variable << std::endl;
+
+    std::ostringstream oss;
+    if (oss << variable)
+    {
+    std::cout << "N2Sb: " << oss.str() << std::endl;
+        return *(new std::string(oss.str()));
+    }
+
+    return fallbackString;
+}
+
+/**
+    @brief Converts a string to a number of any type.
+    @param variable The variable wherein the value gets written
+    @return True if the conversion was successful
+
+    @example
+    float f;
+    bool success = string2Number(f, "3.14");
+*/
+template <typename T>
+bool string2Number(T& variable, const std::string& valueString)
+{
+    std::istringstream iss(valueString);
+    if (iss >> variable)
+        return true;
+
+    return false;
+}
+
+/**
+    @brief Converts a string to a number of any type.
+    @param variable The variable wherein the value gets written
+    @param fallbackValue The assigned value if the conversion fails
+    @return True if the conversion was successful
+
+    @example
+    float f;
+    bool success = string2Number(f, "3.14", 0.000000);
+*/
+template <typename T>
+bool string2Number(T& variable, const std::string& valueString, T fallbackValue)
+{
+    std::cout << "S2Na: " << valueString << std::endl;
+    std::istringstream iss(valueString);
+    if (iss >> variable)
+    {
+    std::cout << "S2Nb: " << variable << std::endl;
+        return true;
+    }
+
+    variable = fallbackValue;
+    return false;
+}
+
 #endif