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Subject: svn commit: r278860 - /incubator/stdcxx/trunk/tests/include/cmdopt.h
Date: Mon, 05 Sep 2005 21:47:24 -0000
To: stdcxx-cvs@incubator.apache.org
From: sebor@apache.org

Author: sebor
Date: Mon Sep  5 14:47:23 2005
New Revision: 278860

URL: http://svn.apache.org/viewcvs?rev=278860&view=rev
Log:
2005-09-05  Martin Sebor  <sebor@roguewave.com>

	* cmdopt.h: Added documentation.

Modified:
    incubator/stdcxx/trunk/tests/include/cmdopt.h

Modified: incubator/stdcxx/trunk/tests/include/cmdopt.h
URL: http://svn.apache.org/viewcvs/incubator/stdcxx/trunk/tests/include/cmdopt.h?rev=278860&r1=278859&r2=278860&view=diff
==============================================================================
--- incubator/stdcxx/trunk/tests/include/cmdopt.h (original)
+++ incubator/stdcxx/trunk/tests/include/cmdopt.h Mon Sep  5 14:47:23 2005
@@ -1,5 +1,8 @@
 /***************************************************************************
  *
+ * cmdopt.h - declarations of helper functions for the processing
+ *            of command line options
+ *
  * $Id$
  *
  ************************************************************************
@@ -17,28 +20,118 @@
  * 
  **************************************************************************/
 
-#ifndef CMDOPT_H_INCLUDED
-#define CMDOPT_H_INCLUDED
+#ifndef RW_CMDOPT_H_INCLUDED
+#define RW_CMDOPT_H_INCLUDED
 
 
-#include <rw/_defs.h>   // for libstd config macros
 #include <testdefs.h>   // for test config macros
 
 
+/**
+ * Appends a set of command line options and their handlers to the global
+ * list of command line option handlers for the current process.
+ *
+ * @param optspec  A string of command line option specifiers describing
+ *        the names and parameters of the command line options and their
+ *        handlers. The string has the following syntax:
+ *
+ *        <optspec> ::= <opt> [ ':' | '=' | '#' ]
+ *                            [ @N | @* | '!' ]
+ *                            [ <opts> ]
+ *        <opt>     ::= <sopt> [ '|' <lopt>]
+ *                  ::= '|' <lopt>
+ *        <sopt>    ::= char
+ *        <lopt>    ::= '-' char char*
+ *        <char>    ::= 'A' - 'Z', 'a'-'z', '0' - '9', '_'
+ *
+ *        Each command line option may have a short name, a long name,
+ *        or both. When referenced (either on the command line or in
+ *        the environment), the name of command line option is
+ *        introduced by a hyphen ('-').
+ *
+ *        A short option name (<sopt>) consits of a single alphanumeric
+ *        character or an underscore ('_').
+ *
+ *        A long name (<lopt>) starts with a hyphen ('-') followed by
+ *        one or more aphanumeric characters or underscores.
+ *
+ *        The name of the command line option is followd by one or more
+ *        special characters with the following meaning:
+ *
+ *        ':'   the option takes an optional argument
+ *        '='   the option takes a required argument that must immediately
+ *              follow the equals sign
+ *        '#'   the handler for this option is not a function but rather
+ *              a pointer to an signed integer that rw_runopts() sets to
+ *              a non-zero value if the option appears on the command line
+ *        @N    the option handler will be invoked for the first N
+ *              occurrences of the option name on the command line
+ *        @*    the option handler will be invoked for every occurrence
+ *              of the option name on the command line
+ *        !     the option handler will be invoked only if the option name
+ *              does not appear on the command line
+ *
+ * @param ...  A list of zero or more command line option handlers whose
+ *        type is either int (*)(int, char**) or int*, the latter
+ *        corresponding to options denoted with the '#' special character.
+ *
+ * @return  On success, returns the number of command line options
+ *          currently defined for the process, negative value on error.
+ */
 _TEST_EXPORT int
-rw_setopts (const char*, ...);
+rw_setopts (const char *optspec, ...);
+
 
+/**
+ * Processes the set of command line options and arguments specified by
+ * the function arguments (usually the same arguments as those passed to
+ * main()).
+ *
+ * @param argc  The number of non-zero elements of the argv vector.
+ * @param argv  An array of pointers to command line options and arguments
+ *        whose the last element, argv [argc], has the value 0.
+ *
+ * @return  Returns the status of last evaluated command line option handler.
+ */
 _TEST_EXPORT int
-rw_runopts (int, char*[]);
+rw_runopts (int argc, char *argv[]);
+
 
+/**
+ * Processes the set of command line options and arguments specified by
+ * the function argument (usually the value of an environment variable).
+ *
+ * @param argvstr  A character string of command line options and arguments
+ *        separated by one or more spaces.
+ *
+ * @return  Returns the status of last evaluated command line option handler.
+ */
 _TEST_EXPORT int
-rw_runopts (const char*);
+rw_runopts (const char *argvstr);
+
 
+/**
+ * Determines whether a feature is enabled.
+ *
+ * @param name  The name of a feature.
+ *
+ * @return  Returns a non-zero value if the named feature is enabled,
+ *          otherwise 0.
+ */
 _TEST_EXPORT int
-rw_enabled (const char*);
+rw_enabled (const char *name);
+
 
+/**
+ * Determines whether a case (or line) is enabled.
+ *
+ * @param name  The case (or line) number
+ *
+ * @return  Returns a non-zero value if the case (line) is enabled,
+ *          otherwise 0.
+ */
 _TEST_EXPORT int
-rw_enabled (int);
+rw_enabled (int line);
 
 
-#endif   // CMDOPT_H_INCLUDED
+#endif   // RW_CMDOPT_H_INCLUDED