minor comments update and unimplemented function removal.

Author: sy-c

include/InfoLogger/InfoLogger.hxx

@@ -74,7 +74,7 @@ class InfoLoggerContext final
   /// Update context from current environment information of a different process.
   /// This is used internally by command line 'log' utility to tag messages issued by parent process
   /// or on stdout by a program which output is piped to stdin of current process and injected in infologger.
-  /// Fields previously set by user may be overwritten.
+  /// Fields previously set by user are overwritten.
   void refresh(pid_t pid);
 
 
@@ -95,13 +95,6 @@ class InfoLoggerContext final
   // this simplifies interface to have a single type
   // some fields (e.g. run, pid) are stored as integers, but conversion is done by setField
   // A field with a blank value (zero-length string) is undefined.
-
-  /// Set given field (provided field name and value are strings)
-  /// \param key      The field name to be set. Valid field names are the strings corresponding to what is defined in the FieldName enum: Facility, Role, System, Detector, Partition, Run
-  /// \param value    The value of the field, as a string. This function can be called for any field (string or integer). Conversion will be done whenever needed (string->int).
-  /// \return         0 on success, an error code otherwise (but never throw exceptions).
-  int setField(const std::string &key, const std::string &value);
-  
 
 
   private:
@@ -234,6 +227,7 @@ class InfoLogger
 
   /// Set a field in a message option struct based on its name.
   /// If input fieldName valid, and input fieldValue can be parsed, ouput variable is modified accordingly.
+  /// If fieldValue is blank (zero-length string), the default value is used for the corresponding field.
   /// List of valid field names are the strings (1st letter capitalized) corresponding to what is defined in the InfoLoggerMessageOption struct: Severity, Level, ErrorCode, SourceFile, SourceLine
   /// \return         0 on success, an error code otherwise.
   static int setMessageOption(const char *fieldName, const char *fieldValue, InfoLoggerMessageOption &output);