Added boost header

test/external/boost/program_options/cmdline.hpp

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+// Copyright Vladimir Prus 2004.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt
+// or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_CMDLINE_HPP_VP_2004_03_13
+#define BOOST_CMDLINE_HPP_VP_2004_03_13
+
+namespace boost { namespace program_options { namespace command_line_style {
+    /** Various possible styles of options.
+        
+    There are "long" options, which start with "--" and "short",
+    which start with either "-" or "/". Both kinds can be allowed or
+    disallowed, see allow_long and allow_short. The allowed character
+    for short options is also configurable.
+
+    Option's value can be specified in the same token as name
+    ("--foo=bar"), or in the next token.
+
+    It's possible to introduce long options by the same character as
+    short options, see allow_long_disguise.
+
+    Finally, guessing (specifying only prefix of option) and case
+    insensitive processing are supported.
+    */
+    enum style_t {
+        /// Allow "--long_name" style
+        allow_long = 1,
+        /// Allow "-<single character" style
+        allow_short = allow_long << 1,
+        /// Allow "-" in short options
+        allow_dash_for_short = allow_short << 1,
+        /// Allow "/" in short options
+        allow_slash_for_short = allow_dash_for_short << 1,
+        /** Allow option parameter in the same token
+            for long option, like in
+            @verbatim
+            --foo=10
+            @endverbatim
+        */
+        long_allow_adjacent = allow_slash_for_short << 1,
+        /** Allow option parameter in the next token for
+            long options. */
+        long_allow_next = long_allow_adjacent << 1,
+        /** Allow option parameter in the same token for
+            short options. */
+        short_allow_adjacent = long_allow_next << 1,
+        /** Allow option parameter in the next token for
+            short options. */
+        short_allow_next = short_allow_adjacent << 1,
+        /** Allow to merge several short options together,
+            so that "-s -k" become "-sk". All of the options
+            but last should accept no parameter. For example, if
+            "-s" accept a parameter, then "k" will be taken as
+            parameter, not another short option. 
+            Dos-style short options cannot be sticky.
+        */
+        allow_sticky = short_allow_next << 1,
+        /** Allow abbreviated spellings for long options,
+            if they unambiguously identify long option. 
+            No long option name should be prefix of other 
+            long option name if guessing is in effect.
+        */
+        allow_guessing = allow_sticky << 1,
+        /** Ignore the difference in case for long options.
+        */            
+        long_case_insensitive = allow_guessing << 1,        
+        /** Ignore the difference in case for short options.
+        */            
+        short_case_insensitive = long_case_insensitive << 1,
+        /** Ignore the difference in case for all options.
+        */        
+        case_insensitive = (long_case_insensitive | short_case_insensitive),        
+        /** Allow long options with single option starting character,
+            e.g <tt>-foo=10</tt>
+        */
+        allow_long_disguise = short_case_insensitive << 1,
+        /** The more-or-less traditional unix style. */
+        unix_style = (allow_short | short_allow_adjacent | short_allow_next
+                      | allow_long | long_allow_adjacent | long_allow_next
+                      | allow_sticky | allow_guessing 
+                      | allow_dash_for_short),
+        /** The default style. */
+        default_style = unix_style
+    };
+}}}
+
+
+#endif
+