duane ellis: (A) a new concept called "Name Value Pair" or NVP, in simple terms:...
authoroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Tue, 19 Aug 2008 11:49:48 +0000 (11:49 +0000)
committeroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Tue, 19 Aug 2008 11:49:48 +0000 (11:49 +0000)
(B) a new "getopt" like feature for Jim - that simplifies argument parsing in complex functions, normally this would be used in conjunction with either an NVP table of options, or a more simpler Enumeration  table.  In contrast to the GNU "getopt" package, this is more of a "object model or code oriented" solution then a pure data structure used by GNU getopt, or the main stream Tcl/Tk option processing.

git-svn-id: svn://svn.berlios.de/openocd/trunk@936 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/helper/jim.c
src/helper/jim.h

index 1a35b32b053422ff0091322b915e24496c09e3ea..02d0e0d1bcb20441ebb07b73931b8aa4cfe3286d 100644 (file)
@@ -2510,9 +2510,9 @@ int qsortCompareStringPointers(const void *a, const void *b)
 }
 
 int Jim_GetEnum(Jim_Interp *interp, Jim_Obj *objPtr,
-        const char **tablePtr, int *indexPtr, const char *name, int flags)
+        const char * const *tablePtr, int *indexPtr, const char *name, int flags)
 {
-    const char **entryPtr = NULL;
+    const char * const *entryPtr = NULL;
     char **tablePtrSorted;
     int i, count = 0;
 
@@ -2547,6 +2547,29 @@ int Jim_GetEnum(Jim_Interp *interp, Jim_Obj *objPtr,
     return JIM_ERR;
 }
 
+int Jim_GetNvp(Jim_Interp *interp, 
+                          Jim_Obj *objPtr,
+                          const Jim_Nvp *nvp_table, 
+                          const Jim_Nvp ** result)
+{
+       Jim_Nvp *n;
+       int e;
+
+       e = Jim_Nvp_name2value_obj( interp, nvp_table, objPtr, &n );
+       if( e == JIM_ERR ){
+               return e;
+       }
+
+       /* Success? found? */
+       if( n->name ){
+               /* remove const */
+               *result = (Jim_Nvp *)n;
+               return JIM_OK;
+       } else {
+               return JIM_ERR;
+       }
+}
+
 /* -----------------------------------------------------------------------------
  * Source Object
  *
@@ -9151,6 +9174,37 @@ void JimRegisterCoreApi(Jim_Interp *interp)
   JIM_REGISTER_API(StackPop);
   JIM_REGISTER_API(StackPeek);
   JIM_REGISTER_API(FreeStackElements);
+  JIM_REGISTER_API(fprintf  );
+  JIM_REGISTER_API(vfprintf );
+  JIM_REGISTER_API(fwrite   );
+  JIM_REGISTER_API(fread    );
+  JIM_REGISTER_API(fflush   );
+  JIM_REGISTER_API(fgets    );
+  JIM_REGISTER_API(GetNvp);
+  JIM_REGISTER_API(Nvp_name2value);
+  JIM_REGISTER_API(Nvp_name2value_simple);
+  JIM_REGISTER_API(Nvp_name2value_obj);
+  JIM_REGISTER_API(Nvp_name2value_nocase);
+  JIM_REGISTER_API(Nvp_name2value_obj_nocase);
+
+  JIM_REGISTER_API(Nvp_value2name);
+  JIM_REGISTER_API(Nvp_value2name_simple);
+  JIM_REGISTER_API(Nvp_value2name_obj);
+
+  JIM_REGISTER_API(GetOpt_Setup);
+  JIM_REGISTER_API(GetOpt_Debug);
+  JIM_REGISTER_API(GetOpt_Obj);
+  JIM_REGISTER_API(GetOpt_String);
+  JIM_REGISTER_API(GetOpt_Double);
+  JIM_REGISTER_API(GetOpt_Wide);
+  JIM_REGISTER_API(GetOpt_Nvp);
+  JIM_REGISTER_API(GetOpt_NvpUnknown);
+  JIM_REGISTER_API(GetOpt_Enum);
+  
+  JIM_REGISTER_API(Debug_ArgvString);
+  JIM_REGISTER_API(SetResult_sprintf);
+  JIM_REGISTER_API(SetResult_NvpUnknown);
+
 }
 
 /* -----------------------------------------------------------------------------
@@ -12162,3 +12216,404 @@ char* Jim_fgets( Jim_Interp *interp, char *s, int size, void *cookie )
        }
        return (*(interp->cb_fgets))( s, size, cookie );
 }
+
+Jim_Nvp *
+Jim_Nvp_name2value_simple( const Jim_Nvp *p, const char *name )
+{
+       while( p->name ){
+               if( 0 == strcmp( name, p->name ) ){
+                       break;
+               }
+               p++;
+       }
+       return ((Jim_Nvp *)(p));
+}
+
+Jim_Nvp *
+Jim_Nvp_name2value_nocase_simple( const Jim_Nvp *p, const char *name )
+{
+       while( p->name ){
+               if( 0 == strcasecmp( name, p->name ) ){
+                       break;
+               }
+               p++;
+       }
+       return ((Jim_Nvp *)(p));
+}
+
+int
+Jim_Nvp_name2value_obj( Jim_Interp *interp, 
+                                               const Jim_Nvp *p, 
+                                               Jim_Obj *o, 
+                                               Jim_Nvp **result )
+{
+       return Jim_Nvp_name2value( interp, p, Jim_GetString( o, NULL ), result );
+}
+       
+
+int 
+Jim_Nvp_name2value( Jim_Interp *interp, 
+                                       const Jim_Nvp *_p, 
+                                       const char *name, 
+                                       Jim_Nvp **result)
+{
+       const Jim_Nvp *p;
+
+       p = Jim_Nvp_name2value_simple( _p, name );
+
+       /* result */
+       if( result ){
+               *result = (Jim_Nvp *)(p);
+       }
+       
+       /* found? */
+       if( p->name ){
+               return JIM_OK;
+       } else {
+               return JIM_ERR;
+       }
+}
+
+int
+Jim_Nvp_name2value_obj_nocase( Jim_Interp *interp, const Jim_Nvp *p, Jim_Obj *o, Jim_Nvp **puthere )
+{
+       return Jim_Nvp_name2value_nocase( interp, p, Jim_GetString( o, NULL ), puthere );
+}
+
+int
+Jim_Nvp_name2value_nocase( Jim_Interp *interp, const Jim_Nvp *_p, const char *name, Jim_Nvp **puthere )
+{
+       const Jim_Nvp *p;
+
+       p = Jim_Nvp_name2value_nocase_simple( _p, name );
+
+       if( puthere ){
+               *puthere = (Jim_Nvp *)(p);
+       }
+       /* found */
+       if( p->name ){
+               return JIM_OK;
+       } else {
+               return JIM_ERR;
+       }
+}
+
+
+int 
+Jim_Nvp_value2name_obj( Jim_Interp *interp, const Jim_Nvp *p, Jim_Obj *o, Jim_Nvp **result )
+{
+       int e;;
+       jim_wide w;
+
+       e = Jim_GetWide( interp, o, &w );
+       if( e != JIM_OK ){
+               return e;
+       }
+
+       return Jim_Nvp_value2name( interp, p, w, result );
+}
+
+Jim_Nvp *
+Jim_Nvp_value2name_simple( const Jim_Nvp *p, int value )
+{
+       while( p->name ){
+               if( value == p->value ){
+                       break;
+               }
+               p++;
+       }
+       return ((Jim_Nvp *)(p));
+}
+
+
+int 
+Jim_Nvp_value2name( Jim_Interp *interp, const Jim_Nvp *_p, int value, Jim_Nvp **result )
+{
+       const Jim_Nvp *p;
+
+       p = Jim_Nvp_value2name_simple( _p, value );
+
+       if( result ){
+               *result = (Jim_Nvp *)(p);
+       }
+
+       if( p->name ){
+               return JIM_OK;
+       } else {
+               return JIM_ERR;
+       }
+}
+
+
+int
+Jim_GetOpt_Setup( Jim_GetOptInfo *p, Jim_Interp *interp, int argc, Jim_Obj * const *  argv)
+{
+       memset( p, 0, sizeof(*p) );
+       p->interp = interp;
+       p->argc   = argc;
+       p->argv   = argv;
+
+       return JIM_OK;
+}
+
+void
+Jim_GetOpt_Debug( Jim_GetOptInfo *p )
+{
+       int x;
+
+       Jim_fprintf( p->interp, p->interp->cookie_stderr, "---args---\n");
+       for( x = 0 ; x < p->argc ; x++ ){
+               Jim_fprintf( p->interp, p->interp->cookie_stderr, 
+                                        "%2d) %s\n", 
+                                        x, 
+                                        Jim_GetString( p->argv[x], NULL ) );
+       }
+       Jim_fprintf( p->interp, p->interp->cookie_stderr, "-------\n");
+}
+
+
+int
+Jim_GetOpt_Obj( Jim_GetOptInfo *goi, Jim_Obj **puthere )
+{
+       Jim_Obj *o;
+       
+       o = NULL; // failure 
+       if( goi->argc ){
+               // success 
+               o = goi->argv[0];
+               goi->argc -= 1;
+               goi->argv += 1;
+       }
+       if( puthere ){
+               *puthere = o;
+       }
+       if( o != NULL ){
+               return JIM_OK;
+       } else {
+               return JIM_ERR;
+       }
+}
+
+int
+Jim_GetOpt_String( Jim_GetOptInfo *goi, char **puthere, int *len )
+{
+       int r;
+       Jim_Obj *o;
+       const char *cp;
+
+
+       r = Jim_GetOpt_Obj( goi, &o );
+       if( r == JIM_OK ){
+               cp = Jim_GetString( o, len );
+               if( puthere ){
+                       /* remove const */
+                       *puthere = (char *)(cp);
+               }
+       }
+       return r;
+}
+
+int
+Jim_GetOpt_Double( Jim_GetOptInfo *goi, double *puthere )
+{
+       int r;
+       Jim_Obj *o;
+       double _safe;
+       
+       if( puthere == NULL ){
+               puthere = &_safe;
+       }
+
+       r = Jim_GetOpt_Obj( goi, &o );
+       if( r == JIM_OK ){
+               r = Jim_GetDouble( goi->interp, o, puthere );
+               if( r != JIM_OK ){
+                       Jim_SetResult_sprintf( goi->interp,
+                                                                  "not a number: %s", 
+                                                                  Jim_GetString( o, NULL ) );
+               }
+       }
+       return r;
+}
+
+int
+Jim_GetOpt_Wide( Jim_GetOptInfo *goi, jim_wide *puthere )
+{
+       int r;
+       Jim_Obj *o;
+       jim_wide _safe;
+
+       if( puthere == NULL ){
+               puthere = &_safe;
+       }
+
+       r = Jim_GetOpt_Obj( goi, &o );
+       if( r == JIM_OK ){
+               r = Jim_GetWide( goi->interp, o, puthere );
+       }
+       return r;
+}
+
+int Jim_GetOpt_Nvp( Jim_GetOptInfo *goi, 
+                                       const Jim_Nvp *nvp, 
+                                       Jim_Nvp **puthere)
+{
+       Jim_Nvp *_safe;
+       Jim_Obj *o;
+       int e;
+
+       if( puthere == NULL ){
+               puthere = &_safe;
+       }
+
+       e = Jim_GetOpt_Obj( goi, &o );
+       if( e == JIM_OK ){
+               e = Jim_Nvp_name2value_obj( goi->interp,
+                                                                       nvp, 
+                                                                       o,
+                                                                       puthere );
+       }
+
+       return e;
+}
+
+void
+Jim_GetOpt_NvpUnknown( Jim_GetOptInfo *goi,
+                                          const Jim_Nvp *nvptable,
+                                          int hadprefix )
+{
+       if( hadprefix ){
+               Jim_SetResult_NvpUnknown( goi->interp,
+                                                                 goi->argv[-2],
+                                                                 goi->argv[-1],
+                                                                 nvptable );
+       } else {
+               Jim_SetResult_NvpUnknown( goi->interp,
+                                                                 NULL,
+                                                                 goi->argv[-1],
+                                                                 nvptable );
+       }
+}
+                                          
+
+int 
+Jim_GetOpt_Enum( Jim_GetOptInfo *goi,
+                                const char * const *  lookup,
+                                int *puthere)
+{
+       int _safe;
+       Jim_Obj *o;
+       int e;
+
+       if( puthere == NULL ){
+               puthere = &_safe;
+       }
+       e = Jim_GetOpt_Obj( goi, &o );
+       if( e == JIM_OK ){
+               e = Jim_GetEnum( goi->interp,
+                                                o,
+                                                lookup,
+                                                puthere,
+                                                "option",
+                                                JIM_ERRMSG );
+       }
+       return e;
+}
+       
+
+
+int
+Jim_SetResult_sprintf( Jim_Interp *interp, const char *fmt,... )
+{
+       va_list ap;
+#if 0
+       /* yucky way */
+       char buf[2048];
+
+       va_start(ap,fmt);
+       vsnprintf( buf, sizeof(buf), fmt, ap );
+       va_end(ap);
+       /* garentee termination */
+       buf[2047] = 0;
+       Jim_SetResultString( interp, buf, -1 );
+
+#else
+       char *buf;
+       va_start(ap,fmt);
+       vasprintf( &buf, fmt, ap );
+       va_end(ap);
+       if( buf ){
+               Jim_SetResultString( interp, buf, -1 );
+               free(buf);
+       }
+#endif
+       return JIM_OK;
+}
+       
+
+void
+Jim_SetResult_NvpUnknown( Jim_Interp *interp, 
+                                                 Jim_Obj *param_name,
+                                                 Jim_Obj *param_value,
+                                                 const Jim_Nvp *nvp )
+{
+       if( param_name ){
+               Jim_SetResult_sprintf( interp,
+                                                          "%s: Unknown: %s, try one of: ",
+                                                          Jim_GetString( param_name, NULL ),
+                                                          Jim_GetString( param_value, NULL ) );
+       } else {
+               Jim_SetResult_sprintf( interp,
+                                                          "Unknown param: %s, try one of: ",
+                                                          Jim_GetString( param_value, NULL ) );
+       }
+       while( nvp->name ){
+               const char *a;
+               const char *b;
+
+               if( (nvp+1)->name ){
+                       a = nvp->name;
+                       b = ", ";
+               } else {
+                       a = "or ";
+                       b = nvp->name;
+               }
+               Jim_AppendStrings( interp,
+                                                  Jim_GetResult(interp),
+                                                  a, b, NULL );
+               nvp++;
+       }
+}
+                                                          
+
+static Jim_Obj *debug_string_obj;
+
+const char *
+Jim_Debug_ArgvString( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
+{
+       int x;
+
+       if( debug_string_obj ){
+               Jim_FreeObj( interp, debug_string_obj );
+       }
+
+       debug_string_obj = Jim_NewEmptyStringObj( interp );
+       for( x = 0 ; x < argc ; x++ ){
+               Jim_AppendStrings( interp,
+                                                  debug_string_obj,
+                                                  Jim_GetString( argv[x], NULL ),
+                                                  " ",
+                                                  NULL );
+       }
+
+       return Jim_GetString( debug_string_obj, NULL );
+}
+
+       
+
+/*
+ * Local Variables: ***
+ * c-basic-offset: 4 ***
+ * tab-width: 4 ***
+ * End: ***
+ */
index 32020cccc524da2375eb7d5d5b6a902384dd642e..342c19e3d631f76a4dcb85621a017379c4ee0d47 100644 (file)
  * The views and conclusions contained in the software and documentation
  * are those of the authors and should not be interpreted as representing
  * official policies, either expressed or implied, of the Jim Tcl Project.
+ *
+ *--- Inline Header File Documentation --- 
+ *    [By Duane Ellis, openocd@duaneellis.com, 8/18/8]
+ *
+ * Belief is "Jim" would greatly benifit if Jim Internals where
+ * documented in some way - form whatever, and perhaps - the package:
+ * 'doxygen' is the correct approach to do that.
+ *
+ *   Details, see: http://www.stack.nl/~dimitri/doxygen/
+ *
+ * To that end please follow these guide lines:
+ *
+ *    (A) Document the PUBLIC api in the .H file.
+ *
+ *    (B) Document JIM Internals, in the .C file.
+ *
+ *    (C) Remember JIM is embedded in other packages, to that end do
+ *    not assume that your way of documenting is the right way, Jim's
+ *    public documentation should be agnostic, such that it is some
+ *    what agreeable with the "package" that is embedding JIM inside
+ *    of it's own doxygen documentation.
+ *
+ *    (D) Use minimal Doxygen tags.
+ *
+ * This will be an "ongoing work in progress" for some time.
  **/
 
 #ifndef __JIM__H
@@ -557,6 +582,47 @@ typedef struct Jim_Reference {
     char tag[JIM_REFERENCE_TAGLEN+1];
 } Jim_Reference;
 
+/** Name Value Pairs, aka: NVP
+ *   -  Given a string - return the associated int.
+ *   -  Given a number - return the associated string.
+ *   .
+ *
+ * Very useful when the number is not a simple index into an array of
+ * known string, or there may be multiple strings (aliases) that mean then same
+ * thing.
+ *
+ * An NVP Table is terminated with ".name=NULL".
+ *
+ * During the 'name2value' operation, if no matching string is found
+ * the pointer to the terminal element (with p->name==NULL) is returned.
+ *
+ * Example:
+ * \code
+ *      const Jim_Nvp yn[] = {
+ *          { "yes", 1 },
+ *          { "no" , 0 },
+ *          { "yep", 1 },
+ *          { "nope", 0 },
+ *          { NULL, -1 },
+ *      };
+ *
+ *  Jim_Nvp *result
+ *  e = Jim_Nvp_name2value( interp, yn, "y", &result ); 
+ *         returns &yn[0];
+ *  e = Jim_Nvp_name2value( interp, yn, "n", &result );
+ *         returns &yn[1];
+ *  e = Jim_Nvp_name2value( interp, yn, "Blah", &result );
+ *         returns &yn[4];
+ * \endcode
+ *
+ * During the number2name operation, the first matching value is returned.
+ */
+typedef struct {
+       const char *name;
+       int         value;
+} Jim_Nvp;
+    
+
 /* -----------------------------------------------------------------------------
  * Exported API prototypes.
  * ---------------------------------------------------------------------------*/
@@ -577,6 +643,10 @@ typedef struct Jim_Reference {
 /* Macros are common for core and extensions */
 #define Jim_FreeHashTableIterator(iter) Jim_Free(iter)
 
+#ifdef DOXYGEN
+#define JIM_STATIC 
+#define JIM_API( X )  X
+#else
 #ifndef __JIM_CORE__
 # if defined JIM_EXTENSION || defined JIM_EMBEDDED
 #  define JIM_API(x) (*x)
@@ -593,6 +663,10 @@ typedef struct Jim_Reference {
 #   define JIM_STATIC static
 # endif
 #endif /* __JIM_CORE__ */
+#endif /* DOXYGEN */
+
+/** Set the result - printf() style */
+JIM_STATIC int JIM_API( Jim_SetResult_sprintf )( Jim_Interp *p, const char *fmt, ... );
 
 /* Memory allocation */
 JIM_STATIC void * JIM_API(Jim_Alloc) (int size);
@@ -790,6 +864,7 @@ JIM_STATIC int JIM_API(Jim_GetLong) (Jim_Interp *interp, Jim_Obj *objPtr,
         long *longPtr);
 JIM_STATIC void JIM_API(Jim_SetWide) (Jim_Interp *interp, Jim_Obj *objPtr,
         jim_wide wideValue);
+#define Jim_NewWideObj  Jim_NewIntObj
 JIM_STATIC Jim_Obj * JIM_API(Jim_NewIntObj) (Jim_Interp *interp,
         jim_wide wideValue);
 
@@ -810,7 +885,11 @@ JIM_STATIC void JIM_API(Jim_ReleaseSharedString) (Jim_Interp *interp,
 JIM_STATIC void JIM_API(Jim_WrongNumArgs) (Jim_Interp *interp, int argc,
         Jim_Obj *const *argv, const char *msg);
 JIM_STATIC int JIM_API(Jim_GetEnum) (Jim_Interp *interp, Jim_Obj *objPtr,
-        const char **tablePtr, int *indexPtr, const char *name, int flags);
+        const char * const *tablePtr, int *indexPtr, const char *name, int flags);
+JIM_STATIC int JIM_API(Jim_GetNvp) (Jim_Interp *interp, 
+                                                                       Jim_Obj *objPtr,
+                                                                       const Jim_Nvp *nvp_table, 
+                                                                       const Jim_Nvp **result);
 JIM_STATIC int JIM_API(Jim_ScriptIsComplete) (const char *s, int len,
         char *stateCharPtr);
 
@@ -850,6 +929,228 @@ JIM_STATIC size_t  JIM_API( Jim_fread    )( Jim_Interp *interp, void *ptr, size_
 JIM_STATIC int     JIM_API( Jim_fflush   )( Jim_Interp *interp, void *cookie );
 JIM_STATIC char *  JIM_API( Jim_fgets    )( Jim_Interp *interp, char *s, int size, void *cookie );
 
+/* Name Value Pairs Operations */
+JIM_STATIC Jim_Nvp *JIM_API(Jim_Nvp_name2value_simple)( const Jim_Nvp *nvp_table, const char *name );
+JIM_STATIC Jim_Nvp *JIM_API(Jim_Nvp_name2value_nocase_simple)( const Jim_Nvp *nvp_table, const char *name );
+JIM_STATIC Jim_Nvp *JIM_API(Jim_Nvp_value2name_simple)( const Jim_Nvp *nvp_table, int v );
+
+JIM_STATIC int JIM_API(Jim_Nvp_name2value)( Jim_Interp *interp, const Jim_Nvp *nvp_table, const char *name, Jim_Nvp **result );
+JIM_STATIC int JIM_API(Jim_Nvp_name2value_nocase)( Jim_Interp *interp, const Jim_Nvp *nvp_table, const char *name, Jim_Nvp **result);
+JIM_STATIC int JIM_API(Jim_Nvp_value2name)( Jim_Interp *interp, const Jim_Nvp *nvp_table, int value, Jim_Nvp **result );
+
+JIM_STATIC int JIM_API(Jim_Nvp_name2value_obj)( Jim_Interp *interp, const Jim_Nvp *nvp_table, Jim_Obj *name_obj, Jim_Nvp **result );
+JIM_STATIC int JIM_API(Jim_Nvp_name2value_obj_nocase)( Jim_Interp *interp, const Jim_Nvp *nvp_table, Jim_Obj *name_obj, Jim_Nvp **result );
+JIM_STATIC int JIM_API(Jim_Nvp_value2name_obj)( Jim_Interp *interp, const Jim_Nvp *nvp_table, Jim_Obj *value_obj, Jim_Nvp **result );
+
+/** prints a nice 'unknown' parameter error message to the 'result' */
+JIM_STATIC void JIM_API(Jim_SetResult_NvpUnknown)( Jim_Interp *interp, 
+                                                                                                  Jim_Obj *param_name,
+                                                                                                  Jim_Obj *param_value,
+                                                                                                  const Jim_Nvp *nvp_table );
+
+
+/** Debug: convert argc/argv into a printable string for printf() debug
+ * 
+ * \param interp - the interpeter
+ * \param argc   - arg count
+ * \param argv   - the objects
+ *
+ * \returns string pointer holding the text.
+ * 
+ * Note, next call to this function will free the old (last) string.
+ *
+ * For example might want do this:
+ * \code
+ *     fp = fopen("some.file.log", "a" );
+ *     fprintf( fp, "PARAMS are: %s\n", Jim_DebugArgvString( interp, argc, argv ) );
+ *     fclose(fp);
+ * \endcode
+ */
+JIM_STATIC const char *JIM_API( Jim_Debug_ArgvString )( Jim_Interp *interp, int argc, Jim_Obj *const *argv );
+
+
+/** A TCL -ish GetOpt like code. 
+ *
+ * Some TCL objects have various "configuration" values.
+ * For example - in Tcl/Tk the "buttons" have many options.
+ * 
+ * Usefull when dealing with command options.
+ * that may come in any order...
+ *
+ * Does not support "-foo=123" type options.
+ * Only supports tcl type options, like "-foo 123"
+ */
+
+typedef struct jim_getopt {
+       Jim_Interp     *interp;
+       int            argc; 
+       Jim_Obj        * const * argv;
+       int            isconfigure; /* non-zero if configure */
+} Jim_GetOptInfo;
+
+/** GetOpt - how to.
+ *
+ * Example (short and incomplete):
+ * \code
+ *   Jim_GetOptInfo goi; 
+ *
+ *   Jim_GetOpt_Setup( &goi, interp, argc, argv );
+ *
+ *   while( goi.argc ){
+ *         e = Jim_GetOpt_Nvp( &goi, nvp_options, &n );
+ *         if( e != JIM_OK ){
+ *               Jim_GetOpt_NvpUnknown( &goi, nvp_options, 0 );
+ *               return e;
+ *         }
+ *
+ *         switch( n->value ){
+ *         case ALIVE:
+ *             printf("Option ALIVE specified\n");
+ *             break;
+ *         case FIRST:
+ *             if( goi.argc < 1 ){
+ *                     .. not enough args error ..
+ *             }
+ *             Jim_GetOpt_String( &goi, &cp, NULL );
+ *             printf("FIRSTNAME: %s\n", cp );
+ *         case AGE:
+ *             Jim_GetOpt_Wide( &goi, &w );
+ *             printf("AGE: %d\n", (int)(w) );
+ *             break;
+ *         case POLITICS:
+ *             e = Jim_GetOpt_Nvp( &goi, nvp_politics, &n );
+ *             if( e != JIM_OK ){
+ *                 Jim_GetOpt_NvpUnknown( &goi, nvp_politics, 1 );
+ *                 return e;
+ *             }
+ *         }
+ *  }
+ *
+ * \endcode
+ *    
+ */
+
+/** Setup GETOPT 
+ *
+ * \param goi    - get opt info to be initialized
+ * \param interp - jim interp
+ * \param argc   - argc count.
+ * \param argv   - argv (will be copied)
+ *
+ * \code
+ *     Jim_GetOptInfo  goi;
+ *   
+ *     Jim_GetOptSetup( &goi, interp, argc, argv );
+ * \endcode
+ */
+
+JIM_STATIC int JIM_API( Jim_GetOpt_Setup )( Jim_GetOptInfo *goi, 
+                                                                                       Jim_Interp *interp, 
+                                                                                       int argc, 
+                                                                                       Jim_Obj * const *  argv );
+
+
+/** Debug - Dump parameters to stderr
+ * \param goi - current parameters
+ */
+JIM_STATIC void JIM_API( Jim_GetOpt_Debug )( Jim_GetOptInfo *goi);
+
+
+
+/** Remove argv[0] from the list.
+ *
+ * \param goi - get opt info
+ * \param puthere - where param is put
+ * 
+ */
+JIM_STATIC int JIM_API( Jim_GetOpt_Obj)( Jim_GetOptInfo *goi, Jim_Obj **puthere );
+
+/** Remove argv[0] as string.
+ *
+ * \param goi     - get opt info
+ * \param puthere - where param is put
+ */
+JIM_STATIC int JIM_API( Jim_GetOpt_String )( Jim_GetOptInfo *goi, char **puthere, int *len );
+
+/** Remove argv[0] as double.
+ *
+ * \param goi     - get opt info
+ * \param puthere - where param is put.
+ *
+ */
+JIM_STATIC int JIM_API( Jim_GetOpt_Double )( Jim_GetOptInfo *goi, double *puthere );
+
+/** Remove argv[0] as wide.
+ *
+ * \param goi     - get opt info
+ * \param puthere - where param is put.
+ */
+JIM_STATIC int JIM_API( Jim_GetOpt_Wide )( Jim_GetOptInfo *goi, jim_wide *puthere );
+
+/** Remove argv[0] as NVP.
+ *
+ * \param goi     - get opt info
+ * \param lookup  - nvp lookup table
+ * \param puthere - where param is put.
+ *
+ */
+JIM_STATIC int JIM_API( Jim_GetOpt_Nvp)( Jim_GetOptInfo *goi, const Jim_Nvp *lookup, Jim_Nvp **puthere );
+
+/** Create an appropriate error message for an NVP.
+ *
+ * \param goi - options info
+ * \param lookup - the NVP table that was used.
+ * \param hadprefix - 0 or 1 if the option had a prefix.
+ *
+ * This function will set the "interp->result" to a human readable
+ * error message listing the available options.
+ *
+ * This function assumes the previous option argv[-1] is the unknown string.
+ *
+ * If this option had some prefix, then pass "hadprefix=1" else pass "hadprefix=0"
+ *
+ * Example:
+ * \code
+ *
+ *  while( goi.argc ){
+ *     // Get the next option 
+ *     e = Jim_GetOpt_Nvp( &goi, cmd_options, &n );
+ *     if( e != JIM_OK ){
+ *          // option was not recognized
+ *          // pass 'hadprefix=0' because there is no prefix
+ *          Jim_GetOpt_NvpUnknown( &goi, cmd_options, 0 );
+ *          return e;
+ *     }
+ *
+ *     switch( n->value ){
+ *     case OPT_SEX:
+ *          // handle:  --sex male|female|lots|needmore
+ *          e = Jim_GetOpt_Nvp( &goi, &nvp_sex, &n );
+ *          if( e != JIM_OK ){
+ *               Jim_GetOpt_NvpUnknown( &ogi, nvp_sex, 1 );
+ *               return e;
+ *          }
+ *          printf("Code: (%d) is %s\n", n->value, n->name );
+ *          break;
+ *     case ...:
+ *          [snip]
+ *     }
+ * }
+ * \endcode
+ *
+ */
+JIM_STATIC void JIM_API( Jim_GetOpt_NvpUnknown)( Jim_GetOptInfo *goi, const Jim_Nvp *lookup, int hadprefix );
+
+
+/** Remove argv[0] as Enum
+ *
+ * \param goi     - get opt info
+ * \param lookup  - lookup table.
+ * \param puthere - where param is put.
+ *
+ */
+JIM_STATIC int JIM_API( Jim_GetOpt_Enum)( Jim_GetOptInfo *goi, const char * const *  lookup, int *puthere );
+
 
 #undef JIM_STATIC
 #undef JIM_API
@@ -968,6 +1269,7 @@ static void Jim_InitExtension(Jim_Interp *interp)
   JIM_GET_API(SetAssocData);
   JIM_GET_API(DeleteAssocData);
   JIM_GET_API(GetEnum);
+  JIM_GET_API(GetNvp);
   JIM_GET_API(ScriptIsComplete);
   JIM_GET_API(PackageProvide);
   JIM_GET_API(PackageRequire);
@@ -984,7 +1286,30 @@ static void Jim_InitExtension(Jim_Interp *interp)
   JIM_GET_API(fread    );
   JIM_GET_API(fflush   );
   JIM_GET_API(fgets    );
-  
+  JIM_GET_API(Nvp_name2value);
+  JIM_GET_API(Nvp_name2value_nocase);
+  JIM_GET_API(Nvp_name2value_simple);
+
+  JIM_GET_API(Nvp_value2name);
+  JIM_GET_API(Nvp_value2name_simple);
+
+
+  JIM_GET_API(Nvp_name2value_obj);
+  JIM_GET_API(Nvp_value2name_obj);
+  JIM_GET_API(Nvp_name2value_obj_nocase);
+
+  JIM_GET_API(GetOpt_Setup);
+  JIM_GET_API(GetOpt_Obj);
+  JIM_GET_API(GetOpt_String);
+  JIM_GET_API(GetOpt_Double);
+  JIM_GET_API(GetOpt_Wide);
+  JIM_GET_API(GetOpt_Nvp);
+  JIM_GET_API(GetOpt_NvpUnknown);
+  JIM_GET_API(GetOpt_Enum);
+  JIM_GET_API(GetOpt_Debug);
+  JIM_GET_API(SetResult_sprintf);
+  JIM_GET_API(SetResult_NvpUnknown);
+  JIM_GET_API(Debug_ArgvString);
 }
 #endif /* defined JIM_EXTENSION || defined JIM_EMBEDDED */
 
@@ -1005,3 +1330,11 @@ static __inline__ void Jim_InitEmbedded(void) {
 #endif
 
 #endif /* __JIM__H */
+
+
+/*
+ * Local Variables: ***
+ * c-basic-offset: 4 ***
+ * tab-width: 4 ***
+ * End: ***
+ */