Add templated function Async::Config::setValue

Add templated function Async::Config::setValue() so that generic types
can be used without converting them to string first.

src/async/ChangeLog

@@ -34,6 +34,9 @@
 * The Pty::setLineBuffered method can now be used to enable line buffered mode
   where incoming chars are buffered until a <CR> or <LF> is received.
 
+* Templated function Async::Config::setValue() so that generic types can be
+  used without converting them to string first.
+
 
 
  1.6.0 -- 01 Sep 2019

src/async/core/AsyncConfig.h

@@ -421,6 +421,32 @@ class Config
     void setValue(const std::string& section, const std::string& tag,
       	      	  const std::string& value);
 
+    /**
+     * @brief   Set the value of a configuration variable (generic type)
+     * @param   section   The name of the section where the configuration
+     *                    variable is located
+     * @param   tag       The name of the configuration variable to set.
+     * @param   value     The value to set
+     *
+     * This function is used to set the value of a configuration variable.
+     * The type of the value may be any type that support streaming to string.
+     * If the given configuration section or variable does not exist, it
+     * is created.
+     * Note that this function will not write anything back to the
+     * associated configuration file. It will only set the value in memory.
+     *
+     * The valueUpdated signal will be emitted so that subscribers can get
+     * notified when the value of a configuration variable is changed.
+     */
+    template <typename Rsp>
+    void setValue(const std::string& section, const std::string& tag,
+                  const Rsp& value)
+    {
+      std::ostringstream ss;
+      ss << value;
+      setValue(section, tag, ss.str());
+    }
+
     /**
      * @brief   A signal that is emitted when a config value is updated
      * @param   section The config section of the update

src/svxlink/svxlink/Logic.cpp

@@ -613,7 +613,7 @@ bool Logic::initialize(void)
   event_handler->playDtmf.connect(mem_fun(*this, &Logic::playDtmf));
   event_handler->injectDtmf.connect(mem_fun(*this, &Logic::injectDtmf));
   event_handler->setConfigValue.connect(
-          sigc::mem_fun(cfg(), &Async::Config::setValue));
+          sigc::mem_fun(cfg(), &Async::Config::setValue<std::string>));
   event_handler->setVariable("mycall", m_callsign);
   char str[256];
   sprintf(str, "%.1f", report_ctcss);

src/versions

@@ -8,7 +8,7 @@ QTEL=1.2.4
 LIBECHOLIB=1.3.3
 
 # Version for the Async library
-LIBASYNC=1.6.0.99.11
+LIBASYNC=1.6.99.12
 
 # SvxLink versions
 SVXLINK=1.7.99.29