1 files changed, 2440 insertions, 0 deletions

diff --git a/utils/zenutils/libraries/getpot-c++-1.1.18/getpot/GetPot b/utils/zenutils/libraries/getpot-c++-1.1.18/getpot/GetPot
new file mode 100644
index 0000000000..4c305f6532
--- /dev/null
+++ b/utils/zenutils/libraries/getpot-c++-1.1.18/getpot/GetPot
@@ -0,0 +1,2440 @@
+//  -*- c++ -*-  vim: set syntax=cpp:
+//  GetPot Version $$Version$$                                    $$Date$$
+//
+//  WEBSITE: http://getpot.sourceforge.net
+//
+//  NOTE: The LPGL License for this library is only valid in case that 
+//        it is not used for the production or development of applications
+//        dedicated to military industry. This is what the author calls
+//        the 'unofficial peace version of the LPGL'.
+//
+//  This library is  free software; you can redistribute  it and/or modify
+//  it  under  the terms  of  the GNU  Lesser  General  Public License  as
+//  published by the  Free Software Foundation; either version  2.1 of the
+//  License, or (at your option) any later version.
+//
+//  This library  is distributed in the  hope that it will  be useful, but
+//  WITHOUT   ANY  WARRANTY;   without  even   the  implied   warranty  of
+//  MERCHANTABILITY  or FITNESS  FOR A  PARTICULAR PURPOSE.   See  the GNU
+//  Lesser General Public License for more details.
+//
+//  You  should have  received a  copy of  the GNU  Lesser  General Public
+//  License along  with this library; if  not, write to  the Free Software
+//  Foundation, Inc.,  59 Temple Place,  Suite 330, Boston,  MA 02111-1307
+//  USA
+//
+//  (C) 2001-2007 Frank R. Schaefer <fschaef@users.sf.net>
+//==========================================================================
+
+#ifndef __include_guard_GETPOT_H__
+#define __include_guard_GETPOT_H__
+
+#if defined(WIN32) || defined(SOLARIS_RAW) || (__GNUC__ == 2) || defined(__HP_aCC)
+#define strtok_r(a, b, c) strtok(a, b)
+#endif // WINDOWS or SOLARIS or gcc 2.* or HP aCC
+
+extern "C" {
+//   leave the 'extern C' to make it 100% sure to work -
+//   expecially with older distributions of header files.
+#ifndef WIN32
+// this is necessary (depending on OS)
+#include <ctype.h>
+#endif
+#include <stdio.h>
+#include <stdarg.h>
+#include <assert.h>
+#include <string.h>
+}
+#include <cmath>
+#include <string>
+#include <vector>
+#include <algorithm>
+
+#include <fstream>
+#include <iostream> // not every compiler distribution includes <iostream> 
+//                  // with <fstream>
+
+typedef  std::vector<std::string>  STRING_VECTOR;
+
+#define victorate(TYPE, VARIABLE, ITERATOR)                        \
+  std::vector<TYPE>::const_iterator ITERATOR = (VARIABLE).begin(); \
+  for(; (ITERATOR) != (VARIABLE).end(); (ITERATOR)++)
+
+
+class GetPot {
+    //--------
+    inline void __basic_initialization();
+public:
+    // (*) constructors, destructor, assignment operator -----------------------
+    inline GetPot();
+    inline GetPot(const GetPot&);
+    inline GetPot(const int argc_, char** argv_, 
+                  const char* FieldSeparator=0x0);
+    inline GetPot(const char* FileName, 
+                  const char* CommentStart=0x0, const char* CommentEnd=0x0,
+                  const char* FieldSeparator=0x0);
+    inline ~GetPot();
+    inline GetPot& operator=(const GetPot&);
+
+
+    // (*) absorbing contents of another GetPot object
+    inline void            absorb(const GetPot& That);
+    //     -- for ufo detection: recording requested arguments, options etc.
+    inline void            clear_requests();
+    inline void            disable_request_recording() { __request_recording_f = false; }
+    inline void            enable_request_recording()  { __request_recording_f = true; }
+
+    // (*) direct access to command line arguments -----------------------------
+    inline const std::string    operator[](unsigned Idx) const;
+    inline int                  get(unsigned Idx, int           Default) const;
+    inline double               get(unsigned Idx, const double& Default) const;
+    inline const std::string    get(unsigned Idx, const char*   Default) const;
+    inline unsigned             size() const;
+
+    // (*) flags ---------------------------------------------------------------
+    inline bool            options_contain(const char* FlagList) const;
+    inline bool            argument_contains(unsigned Idx, const char* FlagList) const;
+
+    // (*) variables -----------------------------------------------------------
+    //     -- scalar values
+    inline int                operator()(const char* VarName, int           Default) const;
+    inline double             operator()(const char* VarName, const double& Default) const;
+    inline const std::string  operator()(const char* VarName, const char*   Default) const;
+    //     -- vectors
+    inline int                operator()(const char* VarName, int Default, unsigned Idx) const;
+    inline double             operator()(const char* VarName, const double& Default, unsigned Idx) const;
+    inline const std::string  operator()(const char* VarName, const char* Default, unsigned Idx) const;
+
+    //     -- setting variables
+    //                  i) from outside of GetPot (considering prefix etc.)
+    //                  ii) from inside, use '__set_variable()' below
+    inline void            set(const char* VarName, const char* Value, const bool Requested = true);
+    inline void            set(const char* VarName, const double& Value, const bool Requested = true);
+    inline void            set(const char* VarName, const int Value, const bool Requested = true);
+    
+    inline unsigned        vector_variable_size(const char* VarName) const;
+    inline STRING_VECTOR   get_variable_names() const;
+    inline STRING_VECTOR   get_section_names() const;
+    
+
+    // (*) cursor oriented functions -------------------------------------------
+    inline void            set_prefix(const char* Prefix) { prefix = std::string(Prefix); }
+    inline bool            search_failed() const { return search_failed_f; }
+
+    //     -- enable/disable search for an option in loop
+    inline void            disable_loop() { search_loop_f = false; }
+    inline void            enable_loop()  { search_loop_f = true; }
+
+    //     -- reset cursor to position '1'
+    inline void            reset_cursor();
+    inline void            init_multiple_occurrence();
+
+    //     -- search for a certain option and set cursor to position
+    inline bool            search(const char* option);
+    inline bool            search(unsigned No, const char* P, ...);
+    //     -- get argument at cursor++
+    inline int                next(int           Default);
+    inline double             next(const double& Default);
+    inline const std::string  next(const char*   Default);
+    //     -- search for option and get argument at cursor++
+    inline int                follow(int           Default, const char* Option);
+    inline double             follow(const double& Default, const char* Option);
+    inline const std::string  follow(const char*   Default, const char* Option);
+    //     -- search for one of the given options and get argument that follows it
+    inline int                follow(int           Default, unsigned No, const char* Option, ...);
+    inline double             follow(const double& Default, unsigned No, const char* Option, ...);
+    inline const std::string  follow(const char*   Default, unsigned No, const char* Option, ...);
+    //     -- lists of nominuses following an option
+    inline std::vector<std::string> nominus_followers(const char* Option);
+    inline std::vector<std::string> nominus_followers(unsigned No, ...);
+
+    //     -- directly followed arguments
+    inline int                direct_follow(int           Default, const char* Option);
+    inline double             direct_follow(const double& Default, const char* Option);
+    inline const std::string  direct_follow(const char*   Default, const char* Option);
+
+    inline std::vector<std::string>  string_tails(const char* StartString);
+    inline std::vector<int>          int_tails(const char* StartString, const int Default = 1);
+    inline std::vector<double>       double_tails(const char* StartString, const double Default = 1.0);
+
+    // (*) nominus arguments ---------------------------------------------------
+    inline STRING_VECTOR   nominus_vector() const;
+    inline unsigned        nominus_size() const  { return static_cast<unsigned int>(idx_nominus.size()); }
+    inline std::string     next_nominus();
+
+    // (*) unidentified flying objects -----------------------------------------
+    inline STRING_VECTOR   unidentified_arguments(unsigned Number, const char* Known, ...) const;
+    inline STRING_VECTOR   unidentified_arguments(const STRING_VECTOR& Knowns) const;
+    inline STRING_VECTOR   unidentified_arguments() const;
+
+    inline STRING_VECTOR   unidentified_options(unsigned Number, const char* Known, ...) const;
+    inline STRING_VECTOR   unidentified_options(const STRING_VECTOR& Knowns) const;
+    inline STRING_VECTOR   unidentified_options() const;
+
+    inline std::string     unidentified_flags(const char* Known,
+                                             int ArgumentNumber /* =-1 */) const;
+
+    inline STRING_VECTOR   unidentified_variables(unsigned Number, const char* Known, ...) const;
+    inline STRING_VECTOR   unidentified_variables(const STRING_VECTOR& Knowns) const;
+    inline STRING_VECTOR   unidentified_variables() const;
+
+    inline STRING_VECTOR   unidentified_sections(unsigned Number, const char* Known, ...) const;
+    inline STRING_VECTOR   unidentified_sections(const STRING_VECTOR& Knowns) const;
+    inline STRING_VECTOR   unidentified_sections() const;
+
+    inline STRING_VECTOR   unidentified_nominuses(unsigned Number, const char* Known, ...) const;
+    inline STRING_VECTOR   unidentified_nominuses(const STRING_VECTOR& Knowns) const;
+    inline STRING_VECTOR   unidentified_nominuses() const;
+
+    // (*) output --------------------------------------------------------------
+    inline int print() const;
+
+private:
+    // (*) Type Declaration ----------------------------------------------------
+    struct variable {
+        //-----------
+        // Variable to be specified on the command line or in input files.
+        // (i.e. of the form var='12 312 341')
+
+        // -- constructors, destructors, assignment operator
+        variable();
+        variable(const variable&);
+        variable(const char* Name, const char* Value, const char* FieldSeparator);
+        ~variable();
+        variable& operator=(const variable& That);
+
+        void      take(const char* Value, const char* FieldSeparator);
+
+        // -- get a specific element in the string vector
+        //    (return 0 if not present)
+        const std::string*  get_element(unsigned Idx) const;
+
+        // -- data memebers
+        std::string       name;      // identifier of variable
+        STRING_VECTOR     value;     // value of variable stored in vector
+        std::string       original;  // value of variable as given on command line
+    };
+
+    // (*) member variables --------------------------------------------------------------
+    std::string           prefix;          // prefix automatically added in queries
+    std::string           section;         // (for dollar bracket parsing)
+    STRING_VECTOR         section_list;    // list of all parsed sections
+    //     -- argument vector
+    STRING_VECTOR         argv;            // vector of command line arguments stored as strings
+    unsigned              cursor;          // cursor for argv
+    bool                  search_loop_f;   // shall search start at beginning after
+    //                                     // reaching end of arg array ?
+    bool                  search_failed_f; // flag indicating a failed search() operation
+    //                                     // (e.g. next() functions react with 'missed')
+
+    //     --  nominus vector
+    int                   nominus_cursor;  // cursor for nominus_pointers
+    std::vector<unsigned> idx_nominus;     // indecies of 'no minus' arguments
+
+    //     -- variables
+    //       (arguments of the form "variable=value")
+    std::vector<variable> variables;
+    
+    //     -- comment delimiters
+    std::string           _comment_start;
+    std::string           _comment_end;
+
+    //     -- field separator (separating elements of a vector)
+    std::string           _field_separator;
+
+    //     -- some functions return a char pointer to a temporarily existing string
+    //        this container makes them 'available' until the getpot object is destroyed.
+    std::vector<char*>    __internal_string_container;
+
+    //     -- keeping track about arguments that are requested, so that the UFO detection
+    //        can be simplified
+    STRING_VECTOR   _requested_arguments;
+    STRING_VECTOR   _requested_variables;
+    STRING_VECTOR   _requested_sections;
+
+    bool            __request_recording_f;   // speed: request recording can be turned off
+
+    //     -- if an argument is requested record it and the 'tag' the section branch to which 
+    //        it belongs. Caution: both functions mark the sections as 'tagged'.
+    void                      __record_argument_request(const std::string& Arg);
+    void                      __record_variable_request(const std::string& Arg);
+
+    // (*) helper functions ----------------------------------------------------
+    //                  set variable from inside GetPot (no prefix considered)
+    inline void               __set_variable(const char* VarName, const char* Value);
+
+    //     -- produce three basic data vectors:
+    //          - argument vector
+    //          - nominus vector
+    //          - variable dictionary
+    inline void               __parse_argument_vector(const STRING_VECTOR& ARGV);
+
+    //     -- helpers for argument list processing
+    //        * search for a variable in 'variables' array
+    inline const variable*    __find_variable(const char*) const;
+    //        * support finding directly followed arguments
+    inline const char*        __match_starting_string(const char* StartString);
+    //        * support search for flags in a specific argument
+    inline bool               __check_flags(const std::string& Str, const char* FlagList) const;
+    //        * type conversion if possible
+    inline int                __convert_to_type(const std::string& String, int Default) const;
+    inline double             __convert_to_type(const std::string& String, double Default) const;
+    //        * prefix extraction
+    const std::string         __get_remaining_string(const std::string& String, 
+                                                     const std::string& Start) const;
+    //        * search for a specific string
+    inline bool               __search_string_vector(const STRING_VECTOR& Vec,
+                                                     const std::string& Str) const;
+
+    //     -- helpers to parse input file
+    //        create an argument vector based on data found in an input file, i.e.:
+    //           1) delete comments (in between '_comment_start' '_comment_end')
+    //           2) contract assignment expressions, such as
+    //                   my-variable   =    '007 J. B.'
+    //             into
+    //                   my-variable='007 J. B.'
+    //           3) interprete sections like '[../my-section]' etc.
+    inline void               __skip_whitespace(std::istream& istr);
+    inline const std::string  __get_next_token(std::istream& istr);
+    inline const std::string  __get_string(std::istream& istr);
+    inline const std::string  __get_until_closing_bracket(std::istream& istr);
+
+    inline STRING_VECTOR      __read_in_stream(std::istream& istr);
+    inline STRING_VECTOR      __read_in_file(const char* FileName);
+    inline std::string        __process_section_label(const std::string& Section,
+                                                      STRING_VECTOR& section_stack);
+
+    //      -- dollar bracket expressions
+    std::string               __DBE_expand_string(const std::string str);
+    std::string               __DBE_expand(const std::string str);
+    const GetPot::variable*   __DBE_get_variable(const std::string str);
+    STRING_VECTOR             __DBE_get_expr_list(const std::string str, const unsigned ExpectedNumber);
+
+    std::string  __double2string(const double& Value) const {
+        // -- converts a double integer into a string
+        char* tmp = new char[128];
+#ifndef WIN32
+        snprintf(tmp, (int)sizeof(char)*128, "%e", Value);
+#else
+        _snprintf(tmp, sizeof(char)*128, "%e", Value);
+#endif
+        std::string result(tmp);
+        delete [] tmp;
+        return result;
+    }
+
+    std::string  __int2string(const int& Value) const {
+        // -- converts an integer into a string
+        char* tmp = new char[128];
+#ifndef WIN32
+        snprintf(tmp, (int)sizeof(char)*128, "%i", Value);
+#else
+        _snprintf(tmp, sizeof(char)*128, "%i", Value);
+#endif
+        std::string result(tmp);
+        delete [] tmp;
+        return result;
+    }
+
+    STRING_VECTOR __get_section_tree(const std::string& FullPath) {
+        // -- cuts a variable name into a tree of sub-sections. this is requested for recording
+        //    requested sections when dealing with 'ufo' detection.
+        STRING_VECTOR   result;
+        const char* Start = FullPath.c_str();
+
+        for(char *p = (char*)Start; *p ; p++) {
+            if( *p == '/' ) { 
+                *p = '\0';  // set terminating zero for convinience
+                const std::string Section = Start;
+                *p = '/';   // reset slash at place
+                result.push_back(Section);
+            }
+        }
+
+        return result;
+    }
+};
+
+
+///////////////////////////////////////////////////////////////////////////////
+// (*) constructors, destructor, assignment operator
+//.............................................................................
+//
+inline void
+GetPot::__basic_initialization()
+{
+    cursor = 0;              nominus_cursor = -1;
+    search_failed_f = true;  search_loop_f = true;
+    prefix = "";             section = "";
+    
+    // automatic request recording for later ufo detection
+    __request_recording_f = true;
+
+    // comment start and end strings
+    _comment_start = std::string("#");
+    _comment_end   = std::string("\n");
+
+    // default: separate vector elements by whitespaces
+    _field_separator = " \t\n";
+}
+
+inline
+GetPot::GetPot() 
+{ 
+    __basic_initialization(); 
+
+    STRING_VECTOR _apriori_argv;
+    _apriori_argv.push_back(std::string("Empty"));
+    __parse_argument_vector(_apriori_argv);
+}
+
+inline
+GetPot::GetPot(const int argc_, char ** argv_, 
+               const char* FieldSeparator /* =0x0 */)     
+    // leave 'char**' non-const to honor less capable compilers ... 
+{
+    // TODO: Ponder over the problem when the argument list is of size = 0.
+    //       This is 'sabotage', but it can still occur if the user specifies
+    //       it himself.
+    assert(argc_ >= 1);
+    __basic_initialization();
+
+    // if specified -> overwrite default string
+    if( FieldSeparator ) _field_separator = std::string(FieldSeparator);
+
+    // -- make an internal copy of the argument list:
+    STRING_VECTOR _apriori_argv;
+    // -- for the sake of clarity: we do want to include the first argument in the argument vector !
+    //    it will not be a nominus argument, though. This gives us a minimun vector size of one
+    //    which facilitates error checking in many functions. Also the user will be able to
+    //    retrieve the name of his application by "get[0]"
+    _apriori_argv.push_back(std::string(argv_[0]));
+    int i=1;
+    for(; i<argc_; ++i) {
+        std::string tmp(argv_[i]);   // recall the problem with temporaries,
+        _apriori_argv.push_back(tmp);       // reference counting in arguement lists ...
+    }
+    __parse_argument_vector(_apriori_argv);
+}
+
+
+inline
+GetPot::GetPot(const char* FileName,
+               const char* CommentStart  /* = 0x0 */, const char* CommentEnd /* = 0x0 */,
+               const char* FieldSeparator/* = 0x0 */)     
+{
+    __basic_initialization();
+
+    // if specified -> overwrite default strings
+    if( CommentStart )   _comment_start = std::string(CommentStart);
+    if( CommentEnd )     _comment_end   = std::string(CommentEnd);
+    if( FieldSeparator ) _field_separator = FieldSeparator;
+    
+    STRING_VECTOR _apriori_argv;
+    // -- file name is element of argument vector, however, it is not parsed for
+    //    variable assignments or nominuses.
+    _apriori_argv.push_back(std::string(FileName));
+
+    STRING_VECTOR args = __read_in_file(FileName);
+    _apriori_argv.insert(_apriori_argv.begin()+1, args.begin(), args.end());
+    __parse_argument_vector(_apriori_argv);
+}
+
+inline
+GetPot::GetPot(const GetPot& That)
+{ GetPot::operator=(That); }
+
+inline
+GetPot::~GetPot()
+{ 
+    // may be some return strings had to be created, delete now !
+    victorate(char*, __internal_string_container, it)
+        delete [] *it;  
+}
+
+inline GetPot&
+GetPot::operator=(const GetPot& That)
+{
+    if (&That == this) return *this;
+
+    _comment_start  = That._comment_start;
+    _comment_end    = That._comment_end;
+    argv            = That.argv;
+    variables       = That.variables;
+    prefix          = That.prefix;
+
+    cursor          = That.cursor;
+    nominus_cursor  = That.nominus_cursor;
+    search_failed_f = That.search_failed_f;
+
+    idx_nominus     = That.idx_nominus;
+    search_loop_f   = That.search_loop_f;
+
+    return *this;
+}
+
+
+inline void
+GetPot::absorb(const GetPot& That)
+{
+    if (&That == this) return;
+
+    STRING_VECTOR  __tmp(That.argv);
+
+    __tmp.erase(__tmp.begin());
+
+    __parse_argument_vector(__tmp);
+}
+
+inline void    
+GetPot::clear_requests()
+{
+    _requested_arguments.erase(_requested_arguments.begin(), _requested_arguments.end());
+    _requested_variables.erase(_requested_variables.begin(), _requested_variables.end());
+    _requested_sections.erase(_requested_sections.begin(), _requested_sections.end());
+}
+
+inline void
+GetPot::__parse_argument_vector(const STRING_VECTOR& ARGV)
+{
+    if( ARGV.size() == 0 ) return;
+
+    // build internal databases:
+    //   1) array with no-minus arguments (usually used as filenames)
+    //   2) variable assignments:
+    //             'variable name' '=' number | string
+    STRING_VECTOR                 section_stack;
+    STRING_VECTOR::const_iterator it = ARGV.begin();
+
+
+    section = "";
+
+    // -- do not parse the first argument, so that it is not interpreted a s a nominus or so.
+    argv.push_back(*it);
+    ++it;
+
+    // -- loop over remaining arguments
+    unsigned i=1;
+    for(; it != ARGV.end(); ++it, ++i) {
+        std::string arg = *it;
+
+        if( arg.length() == 0 ) continue;
+
+        // -- [section] labels
+        if( arg.length() > 1 && arg[0] == '[' && arg[arg.length()-1] == ']' ) {
+
+            // (*) sections are considered 'requested arguments'
+            if( __request_recording_f ) _requested_arguments.push_back(arg);
+            
+            const std::string Name = __DBE_expand_string(arg.substr(1, arg.length()-2));
+            section = __process_section_label(Name, section_stack);
+            // new section --> append to list of sections
+            if( find(section_list.begin(), section_list.end(), section) == section_list.end() )
+                if( section.length() != 0 ) section_list.push_back(section);
+            argv.push_back(arg);
+        }
+        else {
+            arg = section + __DBE_expand_string(arg);
+            argv.push_back(arg);
+        }
+
+        // -- separate array for nominus arguments
+        if( arg[0] != '-' ) idx_nominus.push_back(unsigned(i));
+
+        // -- variables: does arg contain a '=' operator ?
+        const char* p = arg.c_str();
+        for(; *p ; p++) {
+            if( *p == '=' ) {
+                // (*) record for later ufo detection
+                //     arguments carriying variables are always treated as 'requested' arguments. 
+                //     as a whole! That is 'x=4712' is  considered a requested argument.
+                //
+                //     unrequested variables have to be detected with the ufo-variable
+                //     detection routine.
+                if( __request_recording_f ) _requested_arguments.push_back(arg);
+
+                // set terminating 'zero' to treat first part as single string
+                // => arg (from start to 'p') = Name of variable
+                //    p+1     (until terminating zero) = value of variable
+                char* o = (char*)p++;
+                *o = '\0';                       // set temporary terminating zero
+                // __set_variable(...) 
+                // calls __find_variable(...) which registers the search
+                // temporarily disable this
+                const bool tmp = __request_recording_f;
+                __request_recording_f = false;
+                __set_variable(arg.c_str(), p);  // v-name = c_str() bis 'p', value = rest
+                __request_recording_f = tmp;
+                *o = '=';                        // reset the original '='
+                break;
+            }
+        }
+    }
+}
+
+
+inline STRING_VECTOR
+GetPot::__read_in_file(const char* FileName)
+{
+    std::ifstream  i(FileName);
+    if( ! i ) return STRING_VECTOR();
+    // argv[0] == the filename of the file that was read in
+    return __read_in_stream(i);
+}
+
+inline STRING_VECTOR
+GetPot::__read_in_stream(std::istream& istr)
+{
+    STRING_VECTOR  brute_tokens;
+    while(istr) {
+        __skip_whitespace(istr);
+        const std::string Token = __get_next_token(istr);
+        if( Token.length() == 0 || Token[0] == EOF) break;
+        brute_tokens.push_back(Token);
+    }
+
+    // -- reduce expressions of token1'='token2 to a single
+    //    string 'token1=token2'
+    // -- copy everything into 'argv'
+    // -- arguments preceded by something like '[' name ']' (section)
+    //    produce a second copy of each argument with a prefix '[name]argument'
+    unsigned i1 = 0;
+    unsigned i2 = 1;
+    unsigned i3 = 2;
+
+    STRING_VECTOR  arglist;
+    while( i1 < brute_tokens.size() ) {
+        const std::string& SRef = brute_tokens[i1];
+        // 1) concatinate 'abcdef' '=' 'efgasdef' to 'abcdef=efgasdef'
+        // note: java.lang.String: substring(a,b) = from a to b-1
+        //        C++ string:      substr(a,b)    = from a to a + b
+        if( i2 < brute_tokens.size() && brute_tokens[i2] == "=" ) {
+            if( i3 >= brute_tokens.size() )
+                arglist.push_back(brute_tokens[i1] + brute_tokens[i2]);
+            else
+                arglist.push_back(brute_tokens[i1] + brute_tokens[i2] + brute_tokens[i3]);
+            i1 = i3+1; i2 = i3+2; i3 = i3+3;
+            continue;
+        }
+        else {
+            arglist.push_back(SRef);
+            i1=i2; i2=i3; i3++;
+        }
+    }
+    return arglist;
+}
+
+inline void
+GetPot::__skip_whitespace(std::istream& istr)
+    // find next non-whitespace while deleting comments
+{
+    int tmp = istr.get();
+    do {
+        // -- search a non whitespace
+        while( isspace(tmp) ) {
+            tmp = istr.get();
+            if( ! istr ) return;
+        }
+
+        // -- look if characters match the comment starter string
+        unsigned    i=0;
+        for(; i<_comment_start.length() ; ++i) {
+            if( tmp != _comment_start[i] ) { 
+                // NOTE: Due to a 'strange behavior' in Microsoft's streaming lib we do
+                // a series of unget()s instead a quick seek. See 
+                // http://sourceforge.net/tracker/index.php?func=detail&aid=1545239&group_id=31994&atid=403915
+                // for a detailed discussion.
+
+                // -- one step more backwards, since 'tmp' already at non-whitespace
+                do istr.unget(); while( i-- != 0 ); 
+                return; 
+            }
+            tmp = istr.get();
+            if( ! istr ) { istr.unget(); return; }
+        }
+        // 'tmp' contains last character of _comment_starter
+
+        // -- comment starter found -> search for comment ender
+        unsigned match_no=0;
+        while(1+1 == 2) {
+            tmp = istr.get();
+            if( ! istr ) { istr.unget(); return; }
+
+            if( tmp == _comment_end[match_no] ) { 
+                match_no++;
+                if( match_no == _comment_end.length() ) {
+                    istr.unget();
+                    break; // shuffle more whitespace, end of comment found
+                }
+            }
+            else
+                match_no = 0;
+        }
+
+        tmp = istr.get();
+
+    } while( istr );
+    istr.unget();
+}
+
+inline const std::string
+GetPot::__get_next_token(std::istream& istr)
+    // get next concatinates string token. consider quotes that embrace
+    // whitespaces
+{
+    std::string token;
+    int    tmp = 0;
+    int    last_letter = 0;
+    while(1+1 == 2) {
+        last_letter = tmp; tmp = istr.get();
+        if( tmp == EOF
+            || ((tmp == ' ' || tmp == '\t' || tmp == '\n') && last_letter != '\\') ) {
+            return token;
+        }
+        else if( tmp == '\'' && last_letter != '\\' ) {
+            // QUOTES: un-backslashed quotes => it's a string
+            token += __get_string(istr);
+            continue;
+        }
+        else if( tmp == '{' && last_letter == '$') {
+            token += '{' + __get_until_closing_bracket(istr);
+            continue;
+        }
+        else if( tmp == '$' && last_letter == '\\') {
+            token += tmp; tmp = 0;  //  so that last_letter will become = 0, not '$';
+            continue;
+        }
+        else if( tmp == '\\' && last_letter != '\\')
+            continue;              // don't append un-backslashed backslashes
+        token += tmp;
+    }
+}
+
+inline const std::string
+GetPot::__get_string(std::istream& istr)
+    // parse input until next matching '
+{
+    std::string str;
+    int    tmp = 0;
+    int    last_letter = 0;
+    while(1 + 1 == 2) {
+        last_letter = tmp; tmp = istr.get();
+        if( tmp == EOF)  return str;
+        // un-backslashed quotes => it's the end of the string
+        else if( tmp == '\'' && last_letter != '\\')  return str;
+        else if( tmp == '\\' && last_letter != '\\')  continue; // don't append
+
+        str += tmp;
+    }
+}
+
+inline const std::string
+GetPot::__get_until_closing_bracket(std::istream& istr)
+    // parse input until next matching }
+{
+    std::string str = "";
+    int    tmp = 0;
+    int    last_letter = 0;
+    int    brackets = 1;
+    while(1 + 1 == 2) {
+        last_letter = tmp; tmp = istr.get();
+        if( tmp == EOF) return str;
+        else if( tmp == '{' && last_letter == '$') brackets += 1;
+        else if( tmp == '}') {
+            brackets -= 1;
+            // un-backslashed brackets => it's the end of the string
+            if( brackets == 0) return str + '}';
+            else if( tmp == '\\' && last_letter != '\\')
+                continue;  // do not append an unbackslashed backslash
+        }
+        str += tmp;
+    }
+}
+
+inline std::string
+GetPot::__process_section_label(const std::string& Section,
+                                STRING_VECTOR& section_stack)
+{
+    std::string sname = Section;
+    //  1) subsection of actual section ('./' prefix)
+    if( sname.length() >= 2 && sname.substr(0, 2) == "./" ) {
+        sname = sname.substr(2);
+    }
+    //  2) subsection of parent section ('../' prefix)
+    else if( sname.length() >= 3 && sname.substr(0, 3) == "../" ) {
+        do {
+            if( section_stack.end() != section_stack.begin() )
+                section_stack.pop_back();
+            sname = sname.substr(3);
+        } while( sname.substr(0, 3) == "../" );
+    }
+    // 3) subsection of the root-section
+    else {
+        section_stack.erase(section_stack.begin(), section_stack.end());
+        // [] => back to root section
+    }
+
+    if( sname != "" ) {
+        // parse section name for 'slashes'
+        unsigned i=0;
+        while( i < sname.length() ) {
+            if( sname[i] == '/' ) {
+                section_stack.push_back(sname.substr(0,i));
+                if( i+1 < sname.length() ) 
+                    sname = sname.substr(i+1);
+                i = 0;
+            }
+            else
+                ++i;
+        }
+        section_stack.push_back(sname);
+    }
+    std::string section = "";
+    if( section_stack.size() != 0 ) {
+        victorate(std::string, section_stack, it)
+            section += *it + "/";
+    }
+    return section;
+}
+
+
+// convert string to DOUBLE, if not possible return Default
+inline double
+GetPot::__convert_to_type(const std::string& String, double Default) const
+{
+    double tmp;
+    if( sscanf(String.c_str(),"%lf", &tmp) != 1 ) return Default;
+    return tmp;
+}
+
+// convert string to INT, if not possible return Default
+inline int
+GetPot::__convert_to_type(const std::string& String, int Default) const
+{
+    // NOTE: intermediate results may be floating points, so that the string
+    //       may look like 2.0e1 (i.e. float format) => use float conversion
+    //       in any case.
+    return (int)__convert_to_type(String, (double)Default);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+// (*) cursor oriented functions
+//.............................................................................
+inline const std::string
+GetPot::__get_remaining_string(const std::string& String, const std::string& Start) const
+    // Checks if 'String' begins with 'Start' and returns the remaining String.
+    // Returns None if String does not begin with Start.
+{
+    if( Start == "" ) return String;
+    // note: java.lang.String: substring(a,b) = from a to b-1
+    //        C++ string:      substr(a,b)    = from a to a + b
+    if( String.find(Start) == 0 ) return String.substr(Start.length());
+    else                          return "";
+}
+
+//     -- search for a certain argument and set cursor to position
+inline bool
+GetPot::search(const char* Option)
+{    
+    unsigned           OldCursor  = cursor;
+    const std::string  SearchTerm = prefix + Option;
+
+    // (*) record requested arguments for later ufo detection
+    __record_argument_request(SearchTerm);                             
+
+    if( OldCursor >= argv.size() ) OldCursor = static_cast<unsigned int>(argv.size()) - 1;
+    search_failed_f = true;
+
+    // (*) first loop from cursor position until end
+    unsigned  c = cursor;
+    for(; c < argv.size(); c++) {
+        if( argv[c] == SearchTerm )
+        { cursor = c; search_failed_f = false; return true; }
+    }
+    if( ! search_loop_f ) return false;
+
+    // (*) second loop from 0 to old cursor position
+    for(c = 1; c < OldCursor; c++) {
+        if( argv[c] == SearchTerm )
+        { cursor = c; search_failed_f = false; return true; }
+    }
+    // in case nothing is found the cursor stays where it was
+    return false;
+}
+
+
+inline bool
+GetPot::search(unsigned No, const char* P, ...)
+{
+    // (*) recording the requested arguments happens in subroutine 'search'
+    if( No == 0 ) return false;
+
+    // search for the first argument
+    if( search(P) == true ) return true;
+
+    // start interpreting variable argument list
+    va_list ap;
+    va_start(ap, P);
+    unsigned i = 1;
+    for(; i < No; ++i) {
+        char* Opt = va_arg(ap, char *);
+        if( search(Opt) == true ) break;
+    }
+    
+    if( i < No ) {
+        ++i;
+        // loop was left before end of array --> hit but 
+        // make sure that the rest of the search terms is marked
+        // as requested.
+        for(; i < No; ++i) {
+            char* Opt = va_arg(ap, char *);
+            // (*) record requested arguments for later ufo detection
+            __record_argument_request(Opt);
+        }
+        va_end(ap);
+        return true;
+    }
+
+    va_end(ap);
+    // loop was left normally --> no hit
+    return false;
+}
+
+inline void
+GetPot::reset_cursor()
+{ search_failed_f = false; cursor = 0; }
+
+inline void
+GetPot::init_multiple_occurrence()
+{ disable_loop(); reset_cursor(); }
+///////////////////////////////////////////////////////////////////////////////
+// (*) direct access to command line arguments
+//.............................................................................
+//
+inline const std::string
+GetPot::operator[](unsigned idx) const
+{ return idx < argv.size() ? argv[idx] : ""; }
+
+inline int
+GetPot::get(unsigned Idx, int Default) const
+{
+    if( Idx >= argv.size() ) return Default;
+    return __convert_to_type(argv[Idx], Default);
+}
+
+inline double
+GetPot::get(unsigned Idx, const double& Default) const
+{
+    if( Idx >= argv.size() ) return Default;
+    return __convert_to_type(argv[Idx], Default);
+}
+
+inline const std::string
+GetPot::get(unsigned Idx, const char* Default) const
+{
+    if( Idx >= argv.size() ) return Default;
+    else                     return argv[Idx];
+}
+
+inline unsigned
+GetPot::size() const
+{ return static_cast<unsigned int>(argv.size()); }
+
+
+//     -- next() function group
+inline int
+GetPot::next(int Default)
+{
+    if( search_failed_f ) return Default;
+    cursor++;
+    if( cursor >= argv.size() )  
+    { cursor = static_cast<unsigned int>(argv.size()); return Default; }
+
+    // (*) record requested argument for later ufo detection
+    __record_argument_request(argv[cursor]);
+
+    const std::string Remain = __get_remaining_string(argv[cursor], prefix);
+
+    return Remain != "" ? __convert_to_type(Remain, Default) : Default;
+}
+
+inline double
+GetPot::next(const double& Default)
+{
+    if( search_failed_f ) return Default;
+    cursor++;
+
+    if( cursor >= argv.size() )
+    { cursor = static_cast<unsigned int>(argv.size()); return Default; }
+
+    // (*) record requested argument for later ufo detection
+    __record_argument_request(argv[cursor]);
+
+    std::string Remain = __get_remaining_string(argv[cursor], prefix);
+
+    return Remain != "" ? __convert_to_type(Remain, Default) : Default;
+}
+
+inline const std::string
+GetPot::next(const char* Default)
+{
+    using namespace std;
+
+    if( search_failed_f ) return Default;
+    cursor++;
+
+    if( cursor >= argv.size() )
+    { cursor = static_cast<unsigned int>(argv.size()); return Default; }
+
+    // (*) record requested argument for later ufo detection
+    __record_argument_request(argv[cursor]);
+
+    const std::string Remain = __get_remaining_string(argv[cursor], prefix);
+
+    if( Remain == "" ) return Default;
+
+
+    // (*) function returns a pointer to a char array (inside Remain)
+    //     this array will be deleted, though after this function call.
+    //     To ensure propper functioning, create a copy inside *this
+    //     object and only delete it, when *this is deleted.
+    char* result = new char[Remain.length()+1];
+    strncpy(result, Remain.c_str(), Remain.length()+1);
+
+    // store the created string internally, delete if when object deleted
+    __internal_string_container.push_back(result);
+
+    return result;
+}
+
+//     -- follow() function group
+//        distinct option to be searched for
+inline int
+GetPot::follow(int Default, const char* Option)
+{
+    // (*) record requested of argument is entirely handled in 'search()' and 'next()'
+    if( search(Option) == false ) return Default;
+    return next(Default);
+}
+
+inline double
+GetPot::follow(const double& Default, const char* Option)
+{
+    // (*) record requested of argument is entirely handled in 'search()' and 'next()'
+    if( search(Option) == false ) return Default;
+    return next(Default);
+}
+
+inline const std::string
+GetPot::follow(const char* Default, const char* Option)
+{
+    // (*) record requested of argument is entirely handled in 'search()' and 'next()'
+    if( search(Option) == false ) return Default;
+    return next(Default);
+}
+
+//     -- second follow() function group
+//        multiple option to be searched for
+inline int
+GetPot::follow(int Default, unsigned No, const char* P, ...)
+{
+    // (*) record requested of argument is entirely handled in 'search()' and 'next()'
+    if( No == 0 ) return Default;
+    if( search(P) == true ) return next(Default);
+
+    va_list ap;
+    va_start(ap, P);
+    unsigned i=1;
+    for(; i<No; ++i) {
+        char* Opt = va_arg(ap, char *);
+        if( search(Opt) == true ) {
+            va_end(ap);
+            return next(Default);
+        }
+    }
+    va_end(ap);
+    return Default;
+}
+
+inline double
+GetPot::follow(const double& Default, unsigned No, const char* P, ...)
+{
+    // (*) record requested of argument is entirely handled in 'search()' and 'next()'
+    if( No == 0 ) return Default;
+    if( search(P) == true ) return next(Default);
+
+    va_list ap;
+    va_start(ap, P);
+    for(unsigned i=1; i<No; ++i) {
+        char* Opt = va_arg(ap, char *);
+        if( search(Opt) == true ) {
+            va_end(ap);
+            return next(Default);
+        }
+    }
+    va_end(ap);
+    return Default;
+}
+
+inline const std::string
+GetPot::follow(const char* Default, unsigned No, const char* P, ...)
+{
+    // (*) record requested of argument is entirely handled in 'search()' and 'next()'
+    if( No == 0 ) return Default;
+    if( search(P) == true ) return next(Default);
+
+    va_list ap;
+    va_start(ap, P);
+    unsigned i=1;
+    for(; i<No; ++i) {
+        char* Opt = va_arg(ap, char *);
+        if( search(Opt) == true ) {
+            va_end(ap);
+            return next(Default);
+        }
+    }
+    va_end(ap);
+    return Default;
+}
+
+
+///////////////////////////////////////////////////////////////////////////////
+// (*) lists of nominus following an option
+//.............................................................................
+//
+inline std::vector<std::string> 
+GetPot::nominus_followers(const char* Option)
+{
+    std::vector<std::string>  result_list;
+    if( search(Option) == false ) return result_list;
+    while( 1 + 1 == 2 ) {
+        ++cursor;
+        if( cursor >= argv.size() ) { 
+            cursor = argv.size() - 1;
+            return result_list;
+        }
+        if( argv[cursor].length() >= 1 ) {
+            if( argv[cursor][0] == '-' ) {
+                return result_list;
+            }
+            // -- record for later ufo-detection
+            __record_argument_request(argv[cursor]);
+            // -- append to the result list
+            result_list.push_back(argv[cursor]);
+        }
+    }
+}
+
+inline std::vector<std::string> 
+GetPot::nominus_followers(unsigned No, ...)
+{
+    std::vector<std::string>  result_list;
+    // (*) record requested of argument is entirely handled in 'search()' 
+    //     and 'nominus_followers()'
+    if( No == 0 ) return result_list;
+
+    va_list ap;
+    va_start(ap, No);   
+    for(unsigned i=0; i<No; ++i) {
+        char* Option = va_arg(ap, char *);
+        std::vector<std::string> tmp = nominus_followers(Option);
+        result_list.insert(result_list.end(), tmp.begin(), tmp.end());
+
+        // std::cerr << "option = '" << Option << "'" << std::endl;
+        // std::cerr << "length = " << tmp.size() << std::endl;
+        // std::cerr << "new result list = <";
+        // for(std::vector<std::string>::const_iterator it = result_list.begin();
+        //    it != result_list.end(); ++it) 
+        //    std::cerr << *it << ", ";
+        // std::cerr << ">\n";
+    }
+    va_end(ap);
+    return result_list;
+}
+
+
+///////////////////////////////////////////////////////////////////////////////
+// (*) directly connected options
+//.............................................................................
+//
+inline int
+GetPot::direct_follow(int Default, const char* Option)
+{
+    const char* FollowStr = __match_starting_string(Option);
+    if( FollowStr == 0x0 )  return Default;
+
+    // (*) record requested of argument for later ufo-detection
+    __record_argument_request(std::string(Option) + FollowStr);
+
+    if( ++cursor >= static_cast<unsigned int>(argv.size()) ) cursor = static_cast<unsigned int>(argv.size());
+    return __convert_to_type(FollowStr, Default);
+}
+
+inline double
+GetPot::direct_follow(const double& Default, const char* Option)
+{
+    const char* FollowStr = __match_starting_string(Option);
+    if( FollowStr == 0 )  return Default;
+
+    // (*) record requested of argument for later ufo-detection
+    __record_argument_request(std::string(Option) + FollowStr);
+
+    if( ++cursor >= static_cast<unsigned int>(argv.size()) ) cursor = static_cast<unsigned int>(argv.size());
+    return __convert_to_type(FollowStr, Default);
+}
+
+inline const std::string
+GetPot::direct_follow(const char* Default, const char* Option)
+{
+    if( search_failed_f ) return Default;
+    const char* FollowStr = __match_starting_string(Option);
+    if( FollowStr == 0 )  return Default;
+
+    // (*) record requested of argument for later ufo-detection
+    if( FollowStr ) __record_argument_request(std::string(Option) + FollowStr);
+
+    if( ++cursor >= static_cast<unsigned int>(argv.size()) ) cursor = static_cast<unsigned int>(argv.size());
+    return std::string(FollowStr);
+}
+
+inline std::vector<std::string>
+GetPot::string_tails(const char* StartString)
+{
+    std::vector<std::string>  result;
+    const unsigned            N = static_cast<unsigned int>(strlen(StartString));
+
+    std::vector<std::string>::iterator it = argv.begin();
+
+    unsigned idx = 0;
+    while( it != argv.end() ) {
+        // (*) does start string match the given option?
+        //     NO -> goto next option
+        if( strncmp(StartString, (*it).c_str(), N) != 0) { ++it; ++idx; continue; }
+
+        // append the found tail to the result vector
+        result.push_back((*it).substr(N));
+                
+        // adapt the nominus vector
+        std::vector<unsigned>::iterator nit = idx_nominus.begin();
+        for(; nit != idx_nominus.end(); ++nit) {
+            if( *nit == idx ) {
+                idx_nominus.erase(nit);
+                for(; nit != idx_nominus.end(); ++nit) *nit -= 1;
+                break;
+            }
+        }
+        
+        // erase the found option
+        argv.erase(it);
+
+        // 100% safe solution: set iterator back to the beginning.
+        // (normally, 'it--' would be enough, but who knows how the
+        // iterator is implemented and .erase() definitely invalidates
+        // the current iterator position.
+        if( argv.empty() ) break;
+        it = argv.begin();
+    }
+    cursor = 0;
+    nominus_cursor = -1;
+    return result;
+}
+
+inline std::vector<int>
+GetPot::int_tails(const char* StartString, const int Default /* = -1 */)
+{
+    std::vector<int>  result;
+    const unsigned    N = static_cast<unsigned int>(strlen(StartString));
+
+    std::vector<std::string>::iterator it = argv.begin();
+
+    unsigned idx = 0;
+    while( it != argv.end() ) {
+        // (*) does start string match the given option?
+        //     NO -> goto next option
+        if( strncmp(StartString, (*it).c_str(), N) != 0) { ++it; ++idx; continue; }
+            
+        // append the found tail to the result vector
+        result.push_back(__convert_to_type((*it).substr(N), Default));
+
+        // adapt the nominus vector
+        std::vector<unsigned>::iterator nit = idx_nominus.begin();
+        for(; nit != idx_nominus.end(); ++nit) {
+            if( *nit == idx ) {
+                idx_nominus.erase(nit);
+                for(; nit != idx_nominus.end(); ++nit) *nit -= 1;
+                break;
+            }
+        }
+
+        // erase the found option
+        argv.erase(it);
+        
+        // 100% safe solution: set iterator back to the beginning.
+        // (normally, 'it--' would be enough, but who knows how the
+        // iterator is implemented and .erase() definitely invalidates
+        // the current iterator position.
+        if( argv.empty() ) break;
+        it = argv.begin();
+    }
+    cursor = 0;
+    nominus_cursor = -1;
+    return result;
+}
+
+inline std::vector<double>
+GetPot::double_tails(const char*  StartString, 
+                     const double Default /* = -1.0 */)
+{
+    std::vector<double>  result;
+    const unsigned       N = static_cast<unsigned int>(strlen(StartString));
+
+    std::vector<std::string>::iterator it = argv.begin();
+    unsigned                           idx = 0;
+    while( it != argv.end() ) {
+        // (*) does start string match the given option?
+        //     NO -> goto next option
+        if( strncmp(StartString, (*it).c_str(), N) != 0) { ++it; ++idx; continue; }
+            
+        // append the found tail to the result vector
+        result.push_back(__convert_to_type((*it).substr(N), Default));
+
+        // adapt the nominus vector
+        std::vector<unsigned>::iterator nit = idx_nominus.begin();
+        for(; nit != idx_nominus.end(); ++nit) {
+            if( *nit == idx ) {
+                idx_nominus.erase(nit);
+                for(; nit != idx_nominus.end(); ++nit) *nit -= 1;
+                break;
+            }
+        }
+
+        // erase the found option
+        argv.erase(it);
+        
+        // 100% safe solution: set iterator back to the beginning.
+        // (normally, 'it--' would be enough, but who knows how the
+        // iterator is implemented and .erase() definitely invalidates
+        // the current iterator position.
+        if( argv.empty() ) break;
+        it = argv.begin();
+    }
+    cursor = 0;
+    nominus_cursor = -1;
+    return result;
+}
+
+
+
+
+
+inline const char*
+GetPot::__match_starting_string(const char* StartString)
+    // pointer  to the place where the string after
+    //          the match inside the found argument starts.
+    // 0        no argument matches the starting string.
+{
+    const unsigned N         = static_cast<unsigned int>(strlen(StartString));
+    unsigned       OldCursor = cursor;
+
+    if( OldCursor >= static_cast<unsigned int>(argv.size()) ) OldCursor = static_cast<unsigned int>(argv.size()) - 1;
+    search_failed_f = true;
+
+    // (*) first loop from cursor position until end
+    unsigned c = cursor;
+    for(; c < argv.size(); c++) {
+        if( strncmp(StartString, argv[c].c_str(), N) == 0)
+        { cursor = c; search_failed_f = false; return &(argv[c].c_str()[N]); }
+    }
+
+    if( ! search_loop_f ) return false;
+
+    // (*) second loop from 0 to old cursor position
+    for(c = 1; c < OldCursor; c++) {
+        if( strncmp(StartString, argv[c].c_str(), N) == 0)
+        { cursor = c; search_failed_f = false; return &(argv[c].c_str()[N]); }
+    }
+    return 0;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// (*) search for flags
+//.............................................................................
+//
+inline bool
+GetPot::options_contain(const char* FlagList) const
+{
+    // go through all arguments that start with a '-' (but not '--')
+    std::string str;
+    STRING_VECTOR::const_iterator it = argv.begin();
+    for(; it != argv.end(); ++it) {
+        str = __get_remaining_string(*it, prefix);
+
+        if( str.length() >= 2 && str[0] == '-' && str[1] != '-' )
+            if( __check_flags(str, FlagList) ) return true;
+    }
+    return false;
+}
+
+inline bool
+GetPot::argument_contains(unsigned Idx, const char* FlagList) const
+{
+    if( Idx >= argv.size() ) return false;
+
+    // (*) record requested of argument for later ufo-detection
+    //     an argument that is checked for flags is considered to be 'requested'
+    ((GetPot*)this)->__record_argument_request(argv[Idx]);
+
+    if( prefix == "" )
+        // search argument for any flag in flag list
+        return __check_flags(argv[Idx], FlagList);
+
+    // if a prefix is set, then the argument index is the index
+    //   inside the 'namespace'
+    // => only check list of arguments that start with prefix
+    unsigned no_matches = 0;
+    unsigned i=0;
+    for(; i<argv.size(); ++i) {
+        const std::string Remain = __get_remaining_string(argv[i], prefix);
+        if( Remain != "") {
+            no_matches += 1;
+            if( no_matches == Idx)
+                return __check_flags(Remain, FlagList);
+        }
+    }
+    // no argument in this namespace
+    return false;
+}
+
+inline bool
+GetPot::__check_flags(const std::string& Str, const char* FlagList) const
+{
+    const char* p=FlagList;
+    for(; *p != '\0' ; p++)
+        if( Str.find(*p) != std::string::npos ) return true; // found something
+    return false;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// (*) nominus arguments
+inline STRING_VECTOR
+GetPot::nominus_vector() const
+    // return vector of nominus arguments
+{
+    STRING_VECTOR nv;
+    std::vector<unsigned>::const_iterator it = idx_nominus.begin();
+    for(; it != idx_nominus.end(); ++it) {
+        nv.push_back(argv[*it]);
+
+        // (*) record for later ufo-detection
+        //     when a nominus vector is requested, the entire set of nominus arguments are 
+        //     tagged as 'requested'
+        ((GetPot*)this)->__record_argument_request(argv[*it]);
+    }
+    return nv;
+}
+
+inline std::string
+GetPot::next_nominus()
+{
+    if( nominus_cursor < int(idx_nominus.size()) - 1 ) {
+        const std::string Tmp = argv[idx_nominus[++nominus_cursor]];
+
+        // (*) record for later ufo-detection
+        __record_argument_request(Tmp);
+
+        // -- cannot use the Tmp variable, since it is temporary and c_str() will return a pointer
+        //    to something that does no longer exist.
+        return Tmp; 
+    }
+    return std::string("");
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// (*) variables
+//.............................................................................
+//
+inline int
+GetPot::operator()(const char* VarName, int Default) const
+{
+    // (*) recording of requested variables happens in '__find_variable()'
+    const variable*  sv = __find_variable(VarName);
+    if( sv == 0 ) return Default;
+    return __convert_to_type(sv->original, Default);
+}
+
+inline double
+GetPot::operator()(const char* VarName, const double& Default) const
+{
+    // (*) recording of requested variables happens in '__find_variable()'
+    const variable*  sv = __find_variable(VarName);
+    if( sv == 0 ) return Default;
+    return __convert_to_type(sv->original, Default);
+}
+
+inline const std::string
+GetPot::operator()(const char* VarName, const char* Default) const
+{
+    // (*) recording of requested variables happens in '__find_variable()'
+    const variable*  sv = __find_variable(VarName);
+    if( sv == 0 ) return Default;
+    // -- returning a c_str() pointer is OK here, since the variable remains existant,
+    //    while 'sv' of course is delete at the end of the function.
+    return sv->original;
+}
+
+inline int
+GetPot::operator()(const char* VarName, int Default, unsigned Idx) const
+{
+    // (*) recording of requested variables happens in '__find_variable()'
+    const variable* sv = __find_variable(VarName);
+    if( sv == 0 ) return Default;
+    const std::string*  element = sv->get_element(Idx);
+    if( element == 0 ) return Default;
+    return __convert_to_type(*element, Default);
+}
+
+inline double
+GetPot::operator()(const char* VarName, const double& Default, unsigned Idx) const
+{
+    // (*) recording of requested variables happens in '__find_variable()'
+    const variable* sv = __find_variable(VarName);
+    if( sv == 0 ) return Default;
+    const std::string*  element = sv->get_element(Idx);
+    if( element == 0 ) return Default;
+    return __convert_to_type(*element, Default);
+}
+
+inline const std::string
+GetPot::operator()(const char* VarName, const char* Default, unsigned Idx) const
+{
+    // (*) recording of requested variables happens in '__find_variable()'
+    const variable*  sv = __find_variable(VarName);
+    if( sv == 0 ) return Default;
+    const std::string* element = sv->get_element(Idx);
+    if( element == 0 )  return Default;
+    return *element;
+}
+
+inline void 
+GetPot::__record_argument_request(const std::string& Name)
+{
+    if( ! __request_recording_f ) return; 
+
+    // (*) record requested variable for later ufo detection
+    _requested_arguments.push_back(Name);
+
+    // (*) record considered section for ufo detection
+    STRING_VECTOR      STree = __get_section_tree(Name);
+    victorate(std::string, STree, it)
+        if( find(_requested_sections.begin(), _requested_sections.end(), *it) == _requested_sections.end() )
+            if( section.length() != 0 ) _requested_sections.push_back(*it);
+}
+
+inline void 
+GetPot::__record_variable_request(const std::string& Name)
+{
+    if( ! __request_recording_f ) return; 
+
+    // (*) record requested variable for later ufo detection
+    _requested_variables.push_back(Name);
+
+    // (*) record considered section for ufo detection
+    STRING_VECTOR      STree = __get_section_tree(Name);
+    victorate(std::string, STree, it)
+        if( find(_requested_sections.begin(), _requested_sections.end(), *it) == _requested_sections.end() )
+            if( section.length() != 0 ) _requested_sections.push_back(*it);
+}
+
+// (*) following functions are to be used from 'outside', after getpot has parsed its
+//     arguments => append an argument in the argument vector that reflects the addition
+inline void
+GetPot::__set_variable(const char* VarName, const char* Value)
+{
+    const GetPot::variable* Var = __find_variable(VarName);
+    if( Var == 0 ) variables.push_back(variable(VarName, Value, _field_separator.c_str()));
+    else           ((GetPot::variable*)Var)->take(Value, _field_separator.c_str());    
+}
+
+inline void
+GetPot::set(const char* VarName, const char* Value, const bool Requested /* = yes */)
+{     
+    const std::string Arg = prefix + std::string(VarName) + std::string("=") + std::string(Value);
+    argv.push_back(Arg);
+    __set_variable(VarName, Value);
+
+    // if user does not specify the variable as 'not being requested' it will be 
+    // considered amongst the requested variables
+    if( Requested ) __record_variable_request(Arg);
+}
+
+inline void
+GetPot::set(const char* VarName, const double& Value, const bool Requested /* = yes */)
+{ __set_variable(VarName, __double2string(Value).c_str()); }
+
+inline void 
+GetPot::set(const char* VarName, const int Value, const bool Requested /* = yes */)
+{ __set_variable(VarName, __int2string(Value).c_str()); }
+
+
+inline unsigned
+GetPot::vector_variable_size(const char* VarName) const
+{
+    const variable*  sv = __find_variable(VarName);
+    if( sv == 0 ) return 0;
+    return static_cast<unsigned int>(sv->value.size());
+}
+
+inline STRING_VECTOR
+GetPot::get_variable_names() const
+{
+    STRING_VECTOR  result;
+    std::vector<GetPot::variable>::const_iterator it = variables.begin();
+    for(; it != variables.end(); ++it) {
+        const std::string Tmp = __get_remaining_string((*it).name, prefix);
+        if( Tmp != "" ) result.push_back(Tmp);
+    }
+    return result;
+}
+
+inline STRING_VECTOR
+GetPot::get_section_names() const
+{ return section_list; }
+
+inline const GetPot::variable*
+GetPot::__find_variable(const char* VarName) const
+{
+    const std::string Name = prefix + VarName;
+
+    // (*) record requested variable for later ufo detection
+    ((GetPot*)this)->__record_variable_request(Name);
+
+    std::vector<variable>::const_iterator it = variables.begin();
+    for(; it != variables.end(); ++it) {
+        if( (*it).name == Name ) return &(*it);
+    }
+    return 0;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// (*) ouput (basically for debugging reasons
+//.............................................................................
+//
+inline int
+GetPot::print() const
+{
+    std::cout << "argc = " << static_cast<unsigned int>(argv.size()) << std::endl;
+    STRING_VECTOR::const_iterator it = argv.begin();
+    for(; it != argv.end(); ++it)
+        std::cout << *it << std::endl;
+    std::cout << std::endl;
+    return 1;
+}
+
+// (*) dollar bracket expressions (DBEs) ------------------------------------
+//
+//     1) Entry Function: __DBE_expand_string()
+//        Takes a string such as
+//
+//          "${+ ${x} ${y}}   Subject-${& ${section} ${subsection}}:   ${title}"
+//
+//        calls __DBE_expand() for each of the expressions
+//
+//           ${+ ${x} ${y}}
+//           ${& ${section} ${subsection}}
+//           ${Title}
+//
+//        and returns the string
+//
+//          "4711 Subject-1.01:   Mit den Clowns kamen die Schwaene"
+//
+//        assuming that
+//            x          = "4699"
+//            y          = "12"
+//            section    = "1."
+//            subsection = "01"
+//            title      = "Mit den Clowns kamen die Schwaene"
+//
+//      2) __DBE_expand():
+//
+//           checks for the command, i.e. the 'sign' that follows '${'
+//           divides the argument list into sub-expressions using
+//           __DBE_get_expr_list()
+//
+//           ${+ ${x} ${y}}                 -> "${x}"  "${y}"
+//           ${& ${section} ${subsection}}  -> "${section}" "${subsection}"
+//           ${Title}                       -> Nothing, variable expansion
+//
+//      3) __DBE_expression_list():
+//
+//           builds a vector of unbracketed whitespace separated strings, i.e.
+//
+//           "  ${Number}.a ${: Das Marmorbild} AB-${& Author= ${Eichendorf}-1870}"
+//
+//           is split into a vector
+//
+//              [0] ${Number}.a
+//              [1] ${: Das Marmorbild}
+//              [2] AB-${& Author= ${Eichendorf}}-1870
+//
+//           Each sub-expression is expanded using expand().
+//---------------------------------------------------------------------------
+inline std::string
+GetPot::__DBE_expand_string(const std::string str)
+{
+    // Parses for closing operators '${ }' and expands them letting
+    // white spaces and other letters as they are.
+    std::string   new_string = "";
+    unsigned open_brackets = 0;
+    unsigned first = 0;
+    unsigned i = 0;
+    for(;  i<str.size(); ++i) {
+        if( i < str.size() - 2 && str.substr(i, 2) == "${" ) {
+            if( open_brackets == 0 ) first = i+2;
+            open_brackets++;
+        }
+        else if( str[i] == '}' && open_brackets > 0) {
+            open_brackets -= 1;
+            if( open_brackets == 0 ) {
+                const std::string Replacement = __DBE_expand(str.substr(first, i - first));
+                new_string += Replacement;
+            }
+        }
+        else if( open_brackets == 0 )
+            new_string += str[i];
+    }
+    return new_string;
+}
+
+inline STRING_VECTOR
+GetPot::__DBE_get_expr_list(const std::string str_, const unsigned ExpectedNumber)
+    // ensures that the resulting vector has the expected number
+    // of arguments, but they may contain an error message
+{
+    std::string str = str_;
+    // Separates expressions by non-bracketed whitespaces, expands them
+    // and puts them into a list.
+
+    unsigned i=0;
+    // (1) eat initial whitespaces
+    for(; i < str.size(); ++i)
+        if( ! isspace(str[i]) ) break;
+
+    STRING_VECTOR   expr_list;
+    unsigned         open_brackets = 0;
+    std::vector<unsigned> start_idx;
+    unsigned         start_new_string = i;
+    unsigned         l = static_cast<unsigned int>(str.size());
+
+    // (2) search for ${ } expressions ...
+    while( i < l ) {
+        const char letter = str[i];
+        // whitespace -> end of expression
+        if( isspace(letter) && open_brackets == 0) {
+            expr_list.push_back(str.substr(start_new_string, i - start_new_string));
+            bool no_breakout_f = true;
+            for(++i; i < l ; ++i) {
+                if( ! isspace(str[i]) )
+                { no_breakout_f = false; start_new_string = i; break; }
+            }
+            if( no_breakout_f ) {
+                // end of expression list
+                if( expr_list.size() < ExpectedNumber ) {
+                    const std::string   pre_tmp("<< ${ }: missing arguments>>");
+                    STRING_VECTOR tmp(ExpectedNumber - expr_list.size(), pre_tmp);
+                    expr_list.insert(expr_list.end(), tmp.begin(), tmp.end());
+                }
+                return expr_list;
+            }
+        }
+
+        // dollar-bracket expression
+        if( str.length() >= i+2 && str.substr(i, 2) == "${" ) {
+            open_brackets++;
+            start_idx.push_back(i+2);
+        }
+        else if( letter == '}' && open_brackets > 0) {
+            int start = start_idx[start_idx.size()-1];
+            start_idx.pop_back();
+            const std::string Replacement = __DBE_expand(str.substr(start, i-start));
+            if( start - 3 < (int)0)
+                str = Replacement + str.substr(i+1);
+            else
+                str = str.substr(0, start-2) + Replacement + str.substr(i+1);
+            l = static_cast<unsigned int>(str.size());
+            i = start + static_cast<unsigned int>(Replacement.size()) - 3;
+            open_brackets--;
+        }
+        ++i;
+    }
+
+    // end of expression list
+    expr_list.push_back(str.substr(start_new_string, i-start_new_string));
+
+    if( expr_list.size() < ExpectedNumber ) {
+        const std::string   pre_tmp("<< ${ }: missing arguments>>");
+        STRING_VECTOR tmp(ExpectedNumber - expr_list.size(), pre_tmp);
+        expr_list.insert(expr_list.end(), tmp.begin(), tmp.end());
+    }
+
+    return expr_list;
+}
+
+inline const GetPot::variable*
+GetPot::__DBE_get_variable(std::string VarName)
+{
+    static GetPot::variable ev;
+    std::string secure_Prefix = prefix;
+
+    prefix = section;
+    // (1) first search in currently active section
+    const GetPot::variable* var = __find_variable(VarName.c_str());
+    if( var != 0 ) { prefix = secure_Prefix; return var; }
+
+    // (2) search in root name space
+    prefix = "";
+    var = __find_variable(VarName.c_str());
+    if( var != 0 ) { prefix = secure_Prefix; return var; }
+
+    prefix = secure_Prefix;
+
+    // error occured => variable name == ""
+    char* tmp = new char[VarName.length() + 25];
+#ifndef WIN32
+    snprintf(tmp, (int)sizeof(char)*(VarName.length() + 25), 
+#else
+    _snprintf(tmp, sizeof(char)*(VarName.length() + 25), 
+#endif
+             "<<${ } variable '%s' undefined>>", VarName.c_str());
+    ev.name = "";
+    ev.original = std::string(tmp);
+    delete [] tmp;
+    return &ev;
+}
+
+inline std::string
+GetPot::__DBE_expand(const std::string expr)
+{
+    // ${: } pure text
+    if( expr[0] == ':' )
+        return expr.substr(1);
+
+    // ${& expr expr ... } text concatination
+    else if( expr[0] == '&' ) {
+        const STRING_VECTOR A = __DBE_get_expr_list(expr.substr(1), 1);
+
+        STRING_VECTOR::const_iterator it = A.begin();
+        std::string result = *it++;
+        for(; it != A.end(); ++it) result += *it;
+
+        return result;
+    }
+
+    // ${<-> expr expr expr} text replacement
+    else if( expr.length() >= 3 && expr.substr(0, 3) == "<->" ) {
+        STRING_VECTOR A = __DBE_get_expr_list(expr.substr(3), 3);
+        std::string::size_type tmp = 0;
+        const std::string::size_type L = A[1].length();
+        while( (tmp = A[0].find(A[1])) != std::string::npos ) {
+            A[0].replace(tmp, L, A[2]);
+        }
+        return A[0];
+    }
+    // ${+ ...}, ${- ...}, ${* ...}, ${/ ...} expressions
+    else if( expr[0] == '+' ) {
+        STRING_VECTOR A = __DBE_get_expr_list(expr.substr(1), 2);
+        STRING_VECTOR::const_iterator it = A.begin();
+        double result = __convert_to_type(*it++, 0.0);
+        for(; it != A.end(); ++it)
+            result += __convert_to_type(*it, 0.0);
+
+        return __double2string(result);
+    }
+    else if( expr[0] == '-' ) {
+        STRING_VECTOR A = __DBE_get_expr_list(expr.substr(1), 2);
+        STRING_VECTOR::const_iterator it = A.begin();
+        double result = __convert_to_type(*it++, 0.0);
+        for(; it != A.end(); ++it)
+            result -= __convert_to_type(*it, 0.0);
+
+        return __double2string(result);
+    }
+    else if( expr[0] == '*' ) {
+        STRING_VECTOR A = __DBE_get_expr_list(expr.substr(1), 2);
+        STRING_VECTOR::const_iterator it = A.begin();
+        double result = __convert_to_type(*it++, 0.0);
+        for(; it != A.end(); ++it)
+            result *= __convert_to_type(*it, 0.0);
+
+        return __double2string(result);
+    }
+    else if( expr[0] == '/' ) {
+
+        STRING_VECTOR A = __DBE_get_expr_list(expr.substr(1), 2);
+        STRING_VECTOR::const_iterator it = A.begin();
+        double result = __convert_to_type(*it++, 0.0);
+        if( result == 0 ) return "0.0";
+        for(; it != A.end(); ++it) {
+            const double Q = __convert_to_type(*it, 0.0);
+            if( Q == 0.0 ) return "0.0";
+            result /= Q;
+        }
+        return __double2string(result);
+    }
+
+    // ${^ ... } power expressions
+    else if( expr[0] == '^' ) {
+        STRING_VECTOR A = __DBE_get_expr_list(expr.substr(1), 2);
+        STRING_VECTOR::const_iterator it = A.begin();
+        double result = __convert_to_type(*it++, 0.0);
+        for(; it != A.end(); ++it)
+            result = pow(result, __convert_to_type(*it, 0.0));
+        return __double2string(result);
+    }
+
+    // ${==  } ${<=  } ${>= } comparisons (return the number of the first 'match'
+    else if( expr.length() >= 2 &&
+             ( expr.substr(0,2) == "==" || expr.substr(0,2) == ">=" ||
+               expr.substr(0,2) == "<=" || expr[0] == '>'           || expr[0] == '<')) {
+        // differentiate between two and one sign operators
+        unsigned op = 0;
+        enum { EQ, GEQ, LEQ, GT, LT };
+        if      ( expr.substr(0, 2) == "==" ) op = EQ;
+        else if ( expr.substr(0, 2) == ">=" ) op = GEQ;
+        else if ( expr.substr(0, 2) == "<=" ) op = LEQ;
+        else if ( expr[0] == '>' )            op = GT;
+        else    /*                     "<" */ op = LT;
+
+        STRING_VECTOR a;
+        if ( op == GT || op == LT ) a = __DBE_get_expr_list(expr.substr(1), 2);
+        else                        a = __DBE_get_expr_list(expr.substr(2), 2);
+
+        std::string   x_orig = a[0];
+        double   x = __convert_to_type(x_orig, 1e37);
+        unsigned i = 1;
+
+        STRING_VECTOR::const_iterator y_orig = a.begin();
+        for(y_orig++; y_orig != a.end(); y_orig++) {
+            double y = __convert_to_type(*y_orig, 1e37);
+
+            // set the strings as reference if one wasn't a number
+            if ( x == 1e37 || y == 1e37 ) {
+                // it's a string comparison
+                if( (op == EQ  && x_orig == *y_orig) || (op == GEQ && x_orig >= *y_orig) ||
+                    (op == LEQ && x_orig <= *y_orig) || (op == GT  && x_orig >  *y_orig) ||
+                    (op == LT  && x_orig <  *y_orig) )
+                    return __int2string(i);
+            }
+            else {
+                // it's a number comparison
+                if( (op == EQ  && x == y) || (op == GEQ && x >= y) ||
+                    (op == LEQ && x <= y) || (op == GT  && x >  y) ||
+                    (op == LT  && x <  y) )
+                    return __int2string(i);
+            }
+            ++i;
+        }
+
+        // nothing fulfills the condition => return 0
+        return "0";
+    }
+    // ${?? expr expr} select
+    else if( expr.length() >= 2 && expr.substr(0, 2) == "??" ) {
+        STRING_VECTOR a = __DBE_get_expr_list(expr.substr(2), 2);
+        double x = __convert_to_type(a[0], 1e37);
+        // last element is always the default argument
+        if( x == 1e37 || x < 0 || x >= a.size() - 1 ) return a[a.size()-1];
+
+        // round x to closest integer
+        return a[int(x+0.5)];
+    }
+    // ${? expr expr expr} if then else conditions
+    else if( expr[0] == '?' ) {
+        STRING_VECTOR a = __DBE_get_expr_list(expr.substr(1), 2);
+        if( __convert_to_type(a[0], 0.0) == 1.0 ) return a[1];
+        else if( a.size() > 2 ) return a[2];
+    }
+    // ${! expr} maxro expansion
+    else if( expr[0] == '!' ) {
+        const GetPot::variable* Var = __DBE_get_variable(expr.substr(1));
+        // error
+        if( Var->name == "" ) return std::string(Var->original);
+
+        const STRING_VECTOR A = __DBE_get_expr_list(Var->original, 2);
+        return A[0];
+    }
+    // ${@: } - string subscription
+    else if( expr.length() >= 2 && expr.substr(0,2) == "@:" ) {
+        const STRING_VECTOR A = __DBE_get_expr_list(expr.substr(2), 2);
+        double x = __convert_to_type(A[1], 1e37);
+
+        // last element is always the default argument
+        if( x == 1e37 || x < 0 || x >= A[0].size() - 1)
+            return "<<1st index out of range>>";
+
+        if( A.size() > 2 ) {
+            double y = __convert_to_type(A[2], 1e37);
+            if ( y != 1e37 && y > 0 && y <= A[0].size() - 1 && y > x )
+                return A[0].substr(int(x+0.5), int(y+1.5) - int(x+0.5));
+            else if( y == -1 )
+                return A[0].substr(int(x+0.5));
+            return "<<2nd index out of range>>";
+        }
+        else {
+            char* tmp = new char[2];
+            tmp[0] = A[0][int(x+0.5)]; tmp[1] = '\0';
+            std::string result(tmp);
+            delete [] tmp;
+            return result;
+        }
+    }
+    // ${@ } - vector subscription
+    else if( expr[0] == '@' ) {
+        STRING_VECTOR          A   = __DBE_get_expr_list(expr.substr(1), 2);
+        const GetPot::variable* Var = __DBE_get_variable(A[0]);
+        // error
+        if( Var->name == "" ) {
+            // make a copy of the string if an error occured
+            // (since the error variable is a static variable inside get_variable())
+            return std::string(Var->original);
+        }
+
+        double x = __convert_to_type(A[1], 1e37);
+
+        // last element is always the default argument
+        if (x == 1e37 || x < 0 || x >= Var->value.size() )
+            return "<<1st index out of range>>";
+
+        if ( A.size() > 2) {
+            double y = __convert_to_type(A[2], 1e37);
+            int    begin = int(x+0.5);
+            int    end = 0;
+            if ( y != 1e37 && y > 0 && y <= Var->value.size() && y > x)
+                end = int(y+1.5);
+            else if( y == -1 )
+                end = static_cast<unsigned int>(Var->value.size());
+            else
+                return "<<2nd index out of range>>";
+
+            std::string result = *(Var->get_element(begin));
+            int i = begin+1;
+            for(; i < end; ++i)
+                result += std::string(" ") + *(Var->get_element(i));
+            return result;
+        }
+        else
+            return *(Var->get_element(int(x+0.5)));
+    }
+
+    const STRING_VECTOR    A = __DBE_get_expr_list(expr, 1);
+    const GetPot::variable* B = __DBE_get_variable(A[0]);
+
+    // make a copy of the string if an error occured
+    // (since the error variable is a static variable inside get_variable())
+    if( B->name == "" ) return std::string(B->original);
+    // (psuggs@pobox.com mentioned to me the warning MSVC++6.0 produces
+    //  with:  else return B->original (thanks))
+    return B->original;
+}
+
+
+///////////////////////////////////////////////////////////////////////////////
+// (*) unidentified flying objects
+//.............................................................................
+//
+inline bool
+GetPot::__search_string_vector(const STRING_VECTOR& VecStr, const std::string& Str) const
+{
+    victorate(std::string, VecStr, itk) {
+        if( *itk == Str ) return true;
+    }
+    return false;
+}
+
+inline STRING_VECTOR
+GetPot::unidentified_arguments(unsigned Number,
+                               const char* KnownArgument1, ...) const
+{
+    STRING_VECTOR known_arguments;
+
+    // (1) create a vector of known arguments
+    if( Number == 0 ) return STRING_VECTOR();
+
+    va_list ap;
+    va_start(ap, KnownArgument1);
+    known_arguments.push_back(std::string(KnownArgument1));
+    unsigned i=1;
+    for(; i<Number; ++i)
+        known_arguments.push_back(std::string(va_arg(ap, char *)));
+    va_end(ap);
+
+    return unidentified_arguments(known_arguments);
+}
+
+inline STRING_VECTOR
+GetPot::unidentified_arguments() const
+{ return unidentified_arguments(_requested_arguments); }
+
+inline STRING_VECTOR
+GetPot::unidentified_arguments(const STRING_VECTOR& Knowns) const
+{
+    STRING_VECTOR ufos;
+    STRING_VECTOR::const_iterator it = argv.begin();
+    ++it; // forget about argv[0] (application or filename)
+    for(; it != argv.end(); ++it) {
+        // -- argument belongs to prefixed section ?
+        const std::string arg = __get_remaining_string(*it, prefix);
+        if( arg == "" ) continue;
+
+        // -- check if in list
+        if( __search_string_vector(Knowns, arg) == false)
+            ufos.push_back(*it);
+    }
+    return ufos;
+}
+
+inline STRING_VECTOR
+GetPot::unidentified_options(unsigned Number,
+                             const char* KnownOption1, ...) const
+{
+    STRING_VECTOR known_options;
+
+    // (1) create a vector of known arguments
+    if( Number == 0 ) return STRING_VECTOR();
+
+    va_list ap;
+    va_start(ap, KnownOption1);
+    known_options.push_back(std::string(KnownOption1));
+    unsigned i=1;
+    for(; i<Number; ++i)
+        known_options.push_back(std::string(va_arg(ap, char *)));
+    va_end(ap);
+
+    return unidentified_options(known_options);
+}
+
+inline STRING_VECTOR
+GetPot::unidentified_options() const
+{ 
+    // -- every option is an argument. 
+    // -- the set of requested arguments contains the set of requested options. 
+    // -- IF the set of requested arguments contains unrequested options, 
+    //    THEN they were requested as 'follow' and 'next' arguments and not as real options.
+    //
+    // => it is not necessary to separate requested options from the list
+    STRING_VECTOR option_list;
+    victorate(std::string, _requested_arguments, it) {
+        const std::string arg = *it;
+        if( arg.length() == 0 ) continue;
+        if( arg[0] == '-' )     option_list.push_back(arg);
+    }   
+    return unidentified_options(option_list); 
+}
+
+inline STRING_VECTOR
+GetPot::unidentified_options(const STRING_VECTOR& Knowns) const
+{
+    STRING_VECTOR ufos;
+    STRING_VECTOR::const_iterator it = argv.begin();
+    ++it; // forget about argv[0] (application or filename)
+    for(; it != argv.end(); ++it) {
+        // -- argument belongs to prefixed section ?
+        const std::string arg = __get_remaining_string(*it, prefix);
+        if( arg == "" ) continue;
+
+        // is argument really an option (starting with '-') ?
+        if( arg.length() < 1 || arg[0] != '-' ) continue;
+
+        if( __search_string_vector(Knowns, arg) == false)
+            ufos.push_back(*it);
+    }
+
+    return ufos;
+}
+
+inline std::string
+GetPot::unidentified_flags(const char* KnownFlagList, int ArgumentNumber=-1) const
+    // Two modes:
+    //  ArgumentNumber >= 0 check specific argument
+    //  ArgumentNumber == -1 check all options starting with one '-'
+    //                       for flags
+{
+    std::string         ufos;
+    STRING_VECTOR known_arguments;
+    std::string         KFL(KnownFlagList);
+
+    // (2) iteration over '-' arguments (options)
+    if( ArgumentNumber == -1 ) {
+        STRING_VECTOR::const_iterator it = argv.begin();
+        ++it; // forget about argv[0] (application or filename)
+        for(; it != argv.end(); ++it) {
+            // -- argument belongs to prefixed section ?
+            const std::string arg = __get_remaining_string(*it, prefix);
+            if( arg == "" ) continue;
+
+            // -- does arguments start with '-' (but not '--')
+            if     ( arg.length() < 2 ) continue;
+            else if( arg[0] != '-' )    continue;
+            else if( arg[1] == '-' )    continue;
+
+            // -- check out if flags inside option are contained in KnownFlagList
+            const char* p=arg.c_str();
+            p++; // skip starting minus
+            for(; *p != '\0' ; p++)
+                if( KFL.find(*p) == std::string::npos ) ufos += *p;
+        }
+    }
+    // (1) check specific argument
+    else {
+        // -- only check arguments that start with prefix
+        int no_matches = 0;
+        unsigned i=1;
+        for(; i<argv.size(); ++i) {
+            const std::string Remain = __get_remaining_string(argv[i], prefix);
+            if( Remain != "") {
+                no_matches++;
+                if( no_matches == ArgumentNumber) {
+                    // -- the right argument number inside the section is found
+                    // => check it for flags
+                    const char* p = Remain.c_str();
+                    p++; // skip starting minus
+                    for(; *p != '\0' ; p++)
+                        if( KFL.find(*p) == std::string::npos ) ufos += *p;
+                    return ufos;
+                }
+            }
+        }
+    }
+    return ufos;
+}
+
+inline STRING_VECTOR
+GetPot::unidentified_variables(unsigned Number,
+                               const char* KnownVariable1, ...) const
+{
+    STRING_VECTOR known_variables;
+
+    // create vector of known arguments
+    if( Number == 0 ) return STRING_VECTOR();
+
+    va_list ap;
+    va_start(ap, KnownVariable1);
+    known_variables.push_back(std::string(KnownVariable1));
+    unsigned i=1;
+    for(; i<Number; ++i)
+        known_variables.push_back(std::string(va_arg(ap, char *)));
+    va_end(ap);
+
+    return unidentified_variables(known_variables);
+}
+
+inline STRING_VECTOR
+GetPot::unidentified_variables(const STRING_VECTOR& Knowns) const
+{
+    STRING_VECTOR ufos;
+
+    victorate(GetPot::variable, variables, it) {
+        // -- check if variable has specific prefix
+        const std::string var_name = __get_remaining_string((*it).name, prefix);
+        if( var_name == "" ) continue;
+
+        // -- check if variable is known
+        if( __search_string_vector(Knowns, var_name) == false)
+            ufos.push_back((*it).name);
+    }
+    return ufos;
+}
+
+inline STRING_VECTOR
+GetPot::unidentified_variables() const
+{  return unidentified_variables(_requested_variables); }
+
+
+inline STRING_VECTOR
+GetPot::unidentified_sections(unsigned Number,
+                              const char* KnownSection1, ...) const
+{
+    STRING_VECTOR known_sections;
+
+    // (1) create a vector of known arguments
+    if( Number == 0 ) return STRING_VECTOR();
+
+    va_list ap;
+    va_start(ap, KnownSection1);
+    known_sections.push_back(std::string(KnownSection1));
+    unsigned i=1;
+    for(; i<Number; ++i) {
+        std::string tmp = std::string(va_arg(ap, char *));
+        if( tmp.length() == 0 ) continue;
+        if( tmp[tmp.length()-1] != '/' ) tmp += '/';
+        known_sections.push_back(tmp);
+    }
+    va_end(ap);
+
+    return unidentified_sections(known_sections);
+}
+
+inline STRING_VECTOR
+GetPot::unidentified_sections() const
+{ return unidentified_sections(_requested_sections); }
+
+inline STRING_VECTOR
+GetPot::unidentified_sections(const STRING_VECTOR& Knowns) const
+{
+    STRING_VECTOR ufos;
+
+    victorate(std::string, section_list, it) {
+        // -- check if section conform to prefix
+        const std::string sec_name = __get_remaining_string(*it, prefix);
+        if( sec_name == "" ) continue;
+
+        // -- check if section is known
+        if( __search_string_vector(Knowns, sec_name) == false )
+            ufos.push_back(*it);
+    }
+
+    return ufos;
+}
+
+
+inline STRING_VECTOR
+GetPot::unidentified_nominuses(unsigned Number, const char* Known, ...) const
+{
+    STRING_VECTOR known_nominuses;
+
+    // create vector of known arguments
+    if( Number == 0 ) return STRING_VECTOR();
+
+    va_list ap;
+    va_start(ap, Known);
+    known_nominuses.push_back(std::string(Known));
+    unsigned i=1;
+    for(; i<Number; ++i) {
+        std::string tmp = std::string(va_arg(ap, char *));
+        if( tmp.length() == 0 ) continue;
+        known_nominuses.push_back(tmp);
+    }
+    va_end(ap);
+
+    return unidentified_nominuses(known_nominuses);
+}
+
+inline STRING_VECTOR
+GetPot::unidentified_nominuses() const {
+    // -- every nominus is an argument. 
+    // -- the set of requested arguments contains the set of requested nominuss. 
+    // -- IF the set of requested arguments contains unrequested nominuss, 
+    //    THEN they were requested as 'follow' and 'next' arguments and not as real nominuses.
+    //
+    // => it is not necessary to separate requested nominus from the list
+
+    return unidentified_nominuses(_requested_arguments);
+}
+
+inline STRING_VECTOR
+GetPot::unidentified_nominuses(const STRING_VECTOR& Knowns) const
+{
+    STRING_VECTOR ufos;
+
+    // (2) iterate over all arguments
+    STRING_VECTOR::const_iterator it = argv.begin();
+    ++it; // forget about argv[0] (application or filename)
+    for(; it != argv.end(); ++it) {
+        // -- check if nominus part of prefix
+        const std::string arg = __get_remaining_string(*it, prefix);
+        if( arg == "" )                                         continue;
+
+        if( arg.length() < 1 )                                  continue;
+        // option ? --> not a nomius
+        if( arg[0] == '-' )                                     continue;
+        // section ? --> not a real nominus
+        if( arg[0] == '[' && arg[arg.length()-1] == ']' )       continue;
+        // variable definition ? --> not a real nominus
+        bool continue_f = false;
+        unsigned i=0;
+        for(; i<arg.length() ; ++i)
+            if( arg[i] == '=' ) { continue_f = true; break; }
+        if( continue_f )                                        continue;
+
+        // real nominuses are compared with the given list
+        if( __search_string_vector(Knowns, arg) == false )
+            ufos.push_back(*it);
+    }
+    return ufos;
+}
+
+
+///////////////////////////////////////////////////////////////////////////////
+// (*) variable class
+//.............................................................................
+//
+inline
+GetPot::variable::variable()
+{}
+
+inline
+GetPot::variable::variable(const variable& That)
+{
+#ifdef WIN32
+    operator=(That);
+#else
+    GetPot::variable::operator=(That);
+#endif
+}
+
+
+inline
+GetPot::variable::variable(const char* Name, const char* Value, const char* FieldSeparator)
+    : name(Name)
+{
+    // make a copy of the 'Value'
+    take(Value, FieldSeparator);
+}
+
+inline const std::string*
+GetPot::variable::get_element(unsigned Idx) const
+{ if( Idx >= value.size() ) return 0; else return &(value[Idx]); }
+
+inline void
+GetPot::variable::take(const char* Value, const char* FieldSeparator)
+{
+    using namespace std;
+
+    original = std::string(Value);
+
+    // separate string by white space delimiters using 'strtok'
+    // thread safe usage of strtok (no static members)
+    char* spt = 0;
+    // make a copy of the 'Value'
+    char* copy = new char[strlen(Value)+1];
+    strcpy(copy, Value);
+    char* follow_token = strtok_r(copy, FieldSeparator, &spt);
+    if( value.size() != 0 ) value.erase(value.begin(), value.end());
+    while(follow_token != 0) {
+        value.push_back(std::string(follow_token));
+        follow_token = strtok_r(NULL, FieldSeparator, &spt);
+    }
+
+    delete [] copy;
+}
+
+inline
+GetPot::variable::~variable()
+{}
+
+inline GetPot::variable&
+GetPot::variable::operator=(const GetPot::variable& That)
+{
+    if( &That != this) {
+        name     = That.name;
+        value    = That.value;
+        original = That.original;
+    }
+    return *this;
+}
+
+#undef victorate
+
+
+#endif // __include_guard_GETPOT_H__
+
+