1 files changed, 52 insertions, 6 deletions
diff --git a/source/Host/common/OptionParser.cpp b/source/Host/common/OptionParser.cpp
index 287292ee74af..ead044f53cf1 100644
--- a/source/Host/common/OptionParser.cpp
+++ b/source/Host/common/OptionParser.cpp
@@ -38,24 +38,70 @@ OptionParser::EnableError(bool error)
 }
 
 int
-OptionParser::Parse(int argc, char * const argv [],
-        const char *optstring,
-        const Option *longopts, int *longindex)
+OptionParser::Parse (int argc,
+                     char * const argv [],
+                     const char *optstring,
+                     const Option *longopts,
+                     int *longindex)
 {
     return getopt_long_only(argc, argv, optstring, (const option*)longopts, longindex);
 }
 
-char* OptionParser::GetOptionArgument()
+char*
+OptionParser::GetOptionArgument()
 {
     return optarg;
 }
 
-int OptionParser::GetOptionIndex()
+int
+OptionParser::GetOptionIndex()
 {
     return optind;
 }
 
-int OptionParser::GetOptionErrorCause()
+int
+OptionParser::GetOptionErrorCause()
 {
     return optopt;
 }
+
+std::string
+OptionParser::GetShortOptionString(struct option *long_options)
+{
+    std::string s;
+    int i=0;
+    bool done = false;
+    while (!done)
+    {
+        if (long_options[i].name    == 0 &&
+            long_options[i].has_arg == 0 &&
+            long_options[i].flag    == 0 &&
+            long_options[i].val     == 0)
+        {
+            done = true;
+        }
+        else
+        {
+            if (long_options[i].flag == NULL &&
+                isalpha(long_options[i].val))
+            {
+                s.append(1, (char)long_options[i].val);
+                switch (long_options[i].has_arg)
+                {
+                    default:
+                    case no_argument:
+                        break;
+                        
+                    case optional_argument:
+                        s.append(2, ':');
+                        break;
+                    case required_argument:
+                        s.append(1, ':');
+                        break;
+                }
+            }
+            ++i;
+        }
+    }
+    return s;
+}