queso-0.56.0
getpot.h
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1 // -*- c++ -*-
2 // GetPot Version libMeshHPCT_fork-1.2 Apr/14/2010
3 // Based on "getpot-1.1.1.tgz" version from SourceForge
4 //
5 // New code (C) 2009-2013 Roy Stogner, Karl Schulz
6 //
7 // GetPot Version 1.0 Sept/13/2002
8 //
9 // WEBSITE: http://getpot.sourceforge.net
10 //
11 // This library is free software; you can redistribute it and/or modify
12 // it under the terms of the GNU Lesser General Public License as
13 // published by the Free Software Foundation; either version 2.1 of the
14 // License, or (at your option) any later version.
15 //
16 // This library is distributed in the hope that it will be useful, but
17 // WITHOUT ANY WARRANTY; without even the implied warranty of
18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 // Lesser General Public License for more details.
20 //
21 // You should have received a copy of the GNU Lesser General Public
22 // License along with this library; if not, write to the Free Software
23 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
24 // USA
25 //
26 // (C) 2001-2002 Frank R. Schaefer
27 //==========================================================================
28 #ifndef QUESO_GETPOT_H
29 #define QUESO_GETPOT_H
30 
31 #if defined(WIN32) || defined(SOLARIS_RAW) || (__GNUC__ == 2) || defined(__HP_aCC)
32 #define strtok_r(a, b, c) strtok(a, b)
33 #endif // WINDOWS or SOLARIS or gcc 2.* or HP aCC
34 
35 #include <algorithm>
36 #include <cstddef>
37 #include <fstream>
38 #include <iostream> // not every compiler distribution includes <iostream> with <fstream>
39 #include <set>
40 #include <sstream>
41 #include <stdexcept>
42 #include <string>
43 #include <typeinfo>
44 #include <vector>
45 
46 #include <cmath>
47 #include <cstdlib>
48 #include <ctime>
49 
50 extern "C" {
51 #include <stdarg.h> // --> va_list and friends
52 #include <string.h> // --> strcmp, strncmp, strlen, strncpy
53 }
54 
55 // Undefine USE_LIBMESH to avoid libMesh-specific code
56 
57 #undef USE_LIBMESH
58 #ifdef USE_LIBMESH
59 
60 #include "libmesh/libmesh_common.h"
61 
62 // We need a mutex to keep const operations thread-safe in the
63 // presence of mutable containers. Right now GetPot supports a
64 // Threads::scoped_mutex wrapper around TBB, and we're assuming that
65 // users aren't doing any threaded GetPot usage when TBB threads are
66 // disabled.
67 #if !defined(GETPOT_DISABLE_MUTEX)
68 #include "libmesh/threads.h"
69 #define SCOPED_MUTEX libMesh::Threads::spin_mutex::scoped_lock lock(_getpot_mtx)
70 #define GETPOT_MUTEX_DECLARE mutable libMesh::Threads::spin_mutex _getpot_mtx
71 #else
72 #define SCOPED_MUTEX
73 #define GETPOT_MUTEX_DECLARE
74 #endif
75 
76 #define getpot_cerr libMesh::err
77 #define getpot_error() libmesh_error()
78 #define getpot_file_error(filename) libmesh_file_error(filename)
79 #define getpot_cast_int libMesh::cast_int
80 
81 // If libmesh detected the inverse hyperbolic trig functions, set
82 // special #defines for getpot.h
83 #ifdef LIBMESH_HAVE_CXX11_INVERSE_HYPERBOLIC_SINE
84 #define HAVE_INVERSE_HYPERBOLIC_SINE
85 #endif
86 
87 #ifdef LIBMESH_HAVE_CXX11_INVERSE_HYPERBOLIC_COSINE
88 #define HAVE_INVERSE_HYPERBOLIC_COSINE
89 #endif
90 
91 #ifdef LIBMESH_HAVE_CXX11_INVERSE_HYPERBOLIC_TANGENT
92 #define HAVE_INVERSE_HYPERBOLIC_TANGENT
93 #endif
94 
95 #else // !USE_LIBMESH
96 
97 // Currently threaded GetPot use is only supported via libMesh Threads
98 #define GETPOT_DISABLE_MUTEX
99 #define SCOPED_MUTEX
100 #define GETPOT_MUTEX_DECLARE
101 
102 #define getpot_cerr std::cerr
103 #define getpot_error() throw std::runtime_error(std::string("GetPot Error"))
104 #define getpot_file_error(filename) getpot_error()
105 #define getpot_cast_int static_cast
106 
107 // Clang provides the __has_builtin macro, we define it for compilers
108 // that don't...
109 #ifndef __has_builtin
110 #define __has_builtin(x) 0
111 #endif
112 
113 // Fine-grained ifdefs for all three inverse hyperbolic trig
114 // functions. This works for the two clang compilers I tried it
115 // on... a hand-built one and one from Apple.
116 #if __cplusplus > 199711L && (!defined(__clang__) || __has_builtin(asinh))
117 #define HAVE_INVERSE_HYPERBOLIC_SINE
118 #endif
119 
120 #if __cplusplus > 199711L && (!defined(__clang__) || __has_builtin(acosh))
121 #define HAVE_INVERSE_HYPERBOLIC_COSINE
122 #endif
123 
124 #if __cplusplus > 199711L && (!defined(__clang__) || __has_builtin(atanh))
125 #define HAVE_INVERSE_HYPERBOLIC_TANGENT
126 #endif
127 
128 #endif // #ifdef USE_LIBMESH
129 
130 
131 typedef std::vector<std::string> STRING_VECTOR;
132 
133 #define victorate(TYPE, VARIABLE, ITERATOR) \
134  std::vector<TYPE>::const_iterator ITERATOR = (VARIABLE).begin(); \
135  for (; (ITERATOR) != (VARIABLE).end(); ++(ITERATOR))
136 
137 // We allow GETPOT_NAMESPACE to be defined before this file is
138 // included; if libraries using two different versions of GetPot might
139 // be linked together, the result may be unsafe unless they're put in
140 // different namespaces.
141 #ifdef GETPOT_NAMESPACE
142 namespace GETPOT_NAMESPACE {
143 #endif
144 
152 class GetPot
153 {
154  inline void _basic_initialization();
155 
156 public:
160  inline GetPot();
161  inline GetPot(const GetPot&);
162  inline GetPot(const int argc_, const char* const* argv_,
163  const char* FieldSeparator=0x0);
164  inline GetPot(const char* FileName,
165  const char* CommentStart=0x0, const char* CommentEnd=0x0,
166  const char* FieldSeparator=0x0);
167  inline GetPot(const std::string& FileName,
168  const std::string& CommentStart = std::string("#"),
169  const std::string& CommentEnd = std::string("\n"),
170  const std::string& FieldSeparator = std::string(" \t\n"));
171 
176  inline GetPot(std::istream& FileStream,
177  const std::string& CommentStart = std::string("#"),
178  const std::string& CommentEnd = std::string("\n"),
179  const std::string& FieldSeparator = std::string(" \t\n"));
180  inline ~GetPot();
181  inline GetPot& operator=(const GetPot&);
182 
186  inline void parse_command_line(const int argc_, const char * const* argv_,
187  const char* FieldSeparator =0x0);
188  inline void parse_input_file(const std::string& FileName,
189  const std::string& CommentStart=std::string("#"),
190  const std::string& CommentEnd=std::string("\n"),
191  const std::string& FieldSeparator=std::string(" \t\n"));
192 
193  inline void parse_input_stream(std::istream& FileStream,
194  const std::string& FileName=std::string("ParsedFromStream"),
195  const std::string& CommentStart=std::string("#"),
196  const std::string& CommentEnd=std::string("\n"),
197  const std::string& FieldSeparator=std::string(" \t\n"));
198 
202  inline void absorb(const GetPot& Other);
203 
207  inline void clear_requests();
208  inline void disable_request_recording() { request_recording_f = false; }
209  inline void enable_request_recording() { request_recording_f = true; }
210 
214  inline const char* operator[](unsigned Idx) const;
215 
216  template <typename T>
217  inline T get(unsigned Idx, const T& Default) const;
218 
219  inline const char* get(unsigned Idx, const char* Default) const;
220  inline unsigned size() const;
221 
225  inline bool options_contain(const char* FlagList) const;
226  inline bool argument_contains(unsigned Idx, const char* FlagList) const;
227 
235  inline bool have_variable(const char* VarName) const;
236  inline bool have_variable(const std::string& VarName) const;
237 
247  bool have_section(const char* section_name) const;
248 
258  bool have_section(const std::string& section_name) const;
259 
263  template<typename T>
264  inline T operator()(const char* VarName, const T& Default) const;
265 
266  template<typename T>
267  inline T operator()(const std::string& VarName, const T& Default) const;
268 
269  inline const char* operator()(const char* VarName, const char* Default) const;
270  inline const char* operator()(const std::string& VarName, const char* Default) const;
271 
275  template<typename T>
276  inline T operator()(const char* VarName, const T& Default, unsigned Idx) const;
277 
278  template<typename T>
279  inline T operator()(const std::string& VarName, const T& Default, unsigned Idx) const;
280 
281  inline const char* operator()(const char* VarName, const char* Default, unsigned Idx) const;
282  inline const char* operator()(const std::string& VarName, const char* Default, unsigned Idx) const;
283 
288  template<typename T>
289  inline T get_value_no_default(const char* VarName, const T& Default) const;
290 
291  template<typename T>
292  inline T get_value_no_default(const std::string& VarName, const T& Default) const;
293 
294  inline const char* get_value_no_default(const char* VarName, const char* Default) const;
295  inline const char* get_value_no_default(const std::string& VarName, const char* Default) const;
296 
300  template<typename T>
301  inline T get_value_no_default(const char* VarName, const T& Default, unsigned Idx) const;
302 
303  template<typename T>
304  inline T get_value_no_default(const std::string& VarName, const T& Default, unsigned Idx) const;
305 
306  inline const char* get_value_no_default(const char* VarName, const char* Default, unsigned Idx) const;
307  inline const char* get_value_no_default(const std::string& VarName, const char* Default, unsigned Idx) const;
308 
314  template<typename T>
315  inline void set(const char* VarName, const T& Value, const bool Requested = true);
316 
317  template<typename T>
318  inline void set(const std::string& VarName, const T& Value, const bool Requested = true);
319 
320  inline void set(const char* VarName, const char* Value, const bool Requested = true);
321  inline void set(const std::string& VarName, const char* Value, const bool Requested = true);
322 
323  inline unsigned vector_variable_size(const char* VarName) const;
324  inline unsigned vector_variable_size(const std::string& VarName) const;
325  inline STRING_VECTOR get_variable_names() const;
326  inline STRING_VECTOR get_section_names() const;
327  inline std::set<std::string> get_overridden_variables() const;
328 
332  inline void set_prefix(const char* Prefix) { prefix = std::string(Prefix); }
333  inline bool search_failed() const { return search_failed_f; }
334 
338  inline void disable_loop() { search_loop_f = false; }
339  inline void enable_loop() { search_loop_f = true; }
340 
344  inline void reset_cursor();
345  inline void init_multiple_occurrence();
346 
350  inline bool search(const char* option);
351  inline bool search(const std::string& option);
352  inline bool search(unsigned No, const char* P, ...);
353 
357  template<typename T>
358  inline T next(const T& Default);
359 
360  inline const char* next(const char* Default);
361 
365  template<typename T>
366  inline T follow(const T& Default, const char* Option);
367 
368  inline const char* follow(const char* Default, const char* Option);
369 
373  template<typename T>
374  inline T follow(const T& Default, unsigned No, const char* Option, ...);
375 
376  inline const char* follow(const char* Default, unsigned No, const char* Option, ...);
377 
381  template<typename T>
382  inline T direct_follow(const T& Default, const char* Option);
383 
384  inline const char* direct_follow(const char* Default, const char* Option);
385 
389  inline void reset_nominus_cursor();
390  inline STRING_VECTOR nominus_vector() const;
391  inline unsigned nominus_size() const { return getpot_cast_int<unsigned>(idx_nominus.size()); }
392  inline const char* next_nominus();
393  inline std::string next_nominus_string();
394 
398  inline STRING_VECTOR unidentified_arguments(unsigned Number, const char* Known, ...) const;
399  inline STRING_VECTOR unidentified_arguments(const std::set<std::string>& Knowns) const;
400  inline STRING_VECTOR unidentified_arguments(const std::vector<std::string>& Knowns) const;
401  inline STRING_VECTOR unidentified_arguments() const;
402 
403  inline STRING_VECTOR unidentified_options(unsigned Number, const char* Known, ...) const;
404  inline STRING_VECTOR unidentified_options(const std::set<std::string>& Knowns) const;
405  inline STRING_VECTOR unidentified_options(const std::vector<std::string>& Knowns) const;
406  inline STRING_VECTOR unidentified_options() const;
407 
408  inline std::string unidentified_flags(const char* Known, int ArgumentNumber /* =-1 */) const;
409 
410  inline STRING_VECTOR unidentified_variables(unsigned Number, const char* Known, ...) const;
411  inline STRING_VECTOR unidentified_variables(const std::set<std::string>& Knowns) const;
412  inline STRING_VECTOR unidentified_variables(const std::vector<std::string>& Knowns) const;
413  inline STRING_VECTOR unidentified_variables() const;
414 
415  inline STRING_VECTOR unidentified_sections(unsigned Number, const char* Known, ...) const;
416  inline STRING_VECTOR unidentified_sections(const std::set<std::string>& Knowns) const;
417  inline STRING_VECTOR unidentified_sections(const std::vector<std::string>& Knowns) const;
418  inline STRING_VECTOR unidentified_sections() const;
419 
420  inline STRING_VECTOR unidentified_nominuses(unsigned Number, const char* Known, ...) const;
421  inline STRING_VECTOR unidentified_nominuses(const std::set<std::string>& Knowns) const;
422  inline STRING_VECTOR unidentified_nominuses(const std::vector<std::string>& Knowns) const;
423  inline STRING_VECTOR unidentified_nominuses() const;
424 
428  std::set<std::string> get_requested_arguments() const;
429  std::set<std::string> get_requested_variables() const;
430  std::set<std::string> get_requested_sections() const;
431 
439  inline int print(std::ostream &out_stream = std::cout) const;
440 
446  inline int print(const char *custom_prefix,
447  std::ostream &out_stream = std::cout,
448  unsigned int skip_count=1) const;
449 
450 private:
451 
456  struct variable
457  {
461  variable();
462  variable(const variable&);
463  variable(const char* Name, const char* Value, const char* FieldSeparator);
464  ~variable();
465  variable& operator=(const variable& Other);
466 
467  void take(const char* Value, const char* FieldSeparator);
468 
473  const std::string* get_element(unsigned Idx) const;
474 
478  std::string name; // identifier of variable
479  STRING_VECTOR value; // value of variable stored in vector
480  std::string original; // value of variable as given on command line
481  };
482 
486  std::string prefix; // prefix automatically added in queries
487  std::string section; // (for dollar bracket parsing)
488  STRING_VECTOR section_list; // list of all parsed sections
489 
493  STRING_VECTOR argv; // vector of command line arguments stored as strings
494  unsigned cursor; // cursor for argv
495  bool search_loop_f; // shall search start at beginning after reaching end of arg array ?
496  bool search_failed_f; // flag indicating a failed search() operation (e.g. next() functions react with 'missed')
497  std::set<std::string> overridden_vars; // vector of variables that were supplied more than once during parsing
498 
502  int nominus_cursor; // cursor for nominus_pointers
503  std::vector<unsigned> idx_nominus; // indecies of 'no minus' arguments
504 
508  std::vector<variable> variables;
509 
513  std::string _comment_start;
514  std::string _comment_end;
515 
519  std::string _field_separator;
520 
524  struct ltstr
525  {
526  bool operator()(const char* s1, const char* s2) const { return strcmp(s1, s2) < 0; }
527  };
528 
535  GETPOT_MUTEX_DECLARE;
536 
545  mutable std::set<const char*, ltstr> _internal_string_container;
546 
551  const char* _internal_managed_copy(const std::string& Arg) const;
552 
557  mutable std::set<std::string> _requested_arguments;
558  mutable std::set<std::string> _requested_variables;
559  mutable std::set<std::string> _requested_sections;
560 
561  bool request_recording_f; // speed: request recording can be turned off
562 
569  void _record_argument_request(const std::string& Arg) const;
570  void _record_variable_request(const std::string& Arg) const;
571 
579  inline void _set_variable(const std::string& VarName,
580  const std::string& Value,
581  const bool Requested);
582 
589  inline void _parse_argument_vector(const STRING_VECTOR& ARGV);
590 
598  inline const variable* _find_variable(const char*) const;
599 
603  inline const variable* _request_variable(const char*) const;
604 
608  inline const char* _match_starting_string(const char* StartString);
609 
613  inline bool _check_flags(const std::string& Str, const char* FlagList) const;
614 
618  template<typename T>
619  inline T _convert_to_type(const std::string& String, const T& Default) const;
620 
621  inline std::string _convert_to_type(const std::string& String, const char* Default) const;
622 
623  template<typename T>
624  inline T _convert_to_type_no_default(const char* VarName, const std::string& String, const T& Default) const;
625 
626  inline std::string _convert_to_type_no_default(const char* VarName, const std::string& String, const char* Default) const;
627 
631  const std::string _get_remaining_string(const std::string& String,
632  const std::string& Start) const;
636  inline bool _search_string_vector(const STRING_VECTOR& Vec,
637  const std::string& Str) const;
638 
649  inline void _skip_whitespace(std::istream& istr);
650  inline const std::string _get_next_token(std::istream& istr);
651  inline const std::string _get_string(std::istream& istr);
652  inline const std::string _get_until_closing_bracket(std::istream& istr);
653  inline const std::string _get_until_closing_square_bracket(std::istream& istr);
654 
655  inline STRING_VECTOR _read_in_stream(std::istream& istr);
656  inline std::string _process_section_label(const std::string& Section,
657  STRING_VECTOR& section_stack);
658 
662  std::string _DBE_expand_string(const std::string& str);
663  std::string _DBE_expand(const std::string& str);
664  const GetPot::variable* _DBE_get_variable(const std::string& str);
665  STRING_VECTOR _DBE_get_expr_list(const std::string& str, const unsigned ExpectedNumber);
666 
667  template <typename T>
668  static std::string _convert_from_type(const T& Value)
669  {
670  std::ostringstream out_string;
671  out_string << Value;
672  return out_string.str();
673  }
674 
679  static STRING_VECTOR _get_section_tree(const std::string& FullPath)
680  {
681  STRING_VECTOR result;
682  for (std::size_t pos = 0; pos != FullPath.size(); ++pos)
683  {
684  if (FullPath[pos] == '/')
685  result.push_back(FullPath.substr(0,pos));
686  }
687 
688  return result;
689  }
690 };
691 
692 
694 // (*) constructors, destructor, assignment operator
695 //.............................................................................
696 //
697 inline void
698 GetPot::_basic_initialization()
699 {
700  cursor = 0;
701  nominus_cursor = -1;
702  search_failed_f = true;
703  search_loop_f = true;
704  prefix = "";
705  section = "";
706 
707  // automatic request recording for later ufo detection
708  request_recording_f = true;
709 
710  // comment start and end strings
711  _comment_start = std::string("#");
712  _comment_end = std::string("\n");
713 
714  // default: separate vector elements by whitespaces
715  _field_separator = " \t\n";
716 }
717 
718 
719 
720 inline
721 GetPot::GetPot() :
722  prefix(),
723  section(),
724  section_list(),
725  argv(),
726  cursor(),
727  search_loop_f(),
728  search_failed_f(),
729  nominus_cursor(),
730  idx_nominus(),
731  variables(),
732  _comment_start(),
733  _comment_end(),
734  _field_separator(),
735 #if !defined(GETPOT_DISABLE_MUTEX)
736  _getpot_mtx(),
737 #endif
738  _internal_string_container(),
739  _requested_arguments(),
740  _requested_variables(),
741  _requested_sections(),
742  request_recording_f()
743 {
744  _basic_initialization();
745 }
746 
747 
748 
749 inline
750 GetPot::GetPot(const int argc_, const char * const * argv_,
751  const char* FieldSeparator /* =0x0 */) :
752  // leave 'char**' non-const to honor less capable compilers ...
753  prefix(),
754  section(),
755  section_list(),
756  argv(),
757  cursor(),
758  search_loop_f(),
759  search_failed_f(),
760  nominus_cursor(),
761  idx_nominus(),
762  variables(),
763  _comment_start(),
764  _comment_end(),
765  _field_separator(),
766 #if !defined(GETPOT_DISABLE_MUTEX)
767  _getpot_mtx(),
768 #endif
769  _internal_string_container(),
770  _requested_arguments(),
771  _requested_variables(),
772  _requested_sections(),
773  request_recording_f()
774 {
775  this->parse_command_line(argc_, argv_, FieldSeparator);
776 }
777 
778 
779 
780 // leave 'char**' non-const to honor less capable compilers ...
781 inline void
782 GetPot::parse_command_line(const int argc_, const char * const * argv_,
783  const char* FieldSeparator /* =0x0 */)
784 {
785  _basic_initialization();
786 
787  // if specified -> overwrite default string
788  if (FieldSeparator)
789  _field_separator = std::string(FieldSeparator);
790 
791  // -- make an internal copy of the argument list:
792  STRING_VECTOR _apriori_argv;
793  // -- for the sake of clarity: we do want to include the first
794  // argument of the first parsing source in the argument vector!
795  // it will not be a nominus argument, though. This gives us a
796  // minimum vector size of one which facilitates error checking
797  // in many functions. Also the user will be able to retrieve
798  // the name of his application or input file by "get[0]"
799  _apriori_argv.push_back(std::string(argv_[0]));
800  for (int i=1; i<argc_; i++)
801  {
802  std::string tmp(argv_[i]); // recall the problem with temporaries,
803  _apriori_argv.push_back(tmp); // reference counting in arguement lists ...
804  }
805  _parse_argument_vector(_apriori_argv);
806 }
807 
808 
809 
810 inline
811 GetPot::GetPot(const char* FileName,
812  const char* CommentStart /* = 0x0 */, const char* CommentEnd /* = 0x0 */,
813  const char* FieldSeparator/* = 0x0 */) :
814  prefix(),
815  section(),
816  section_list(),
817  argv(),
818  cursor(),
819  search_loop_f(),
820  search_failed_f(),
821  nominus_cursor(),
822  idx_nominus(),
823  variables(),
824  _comment_start(),
825  _comment_end(),
826  _field_separator(),
827 #if !defined(GETPOT_DISABLE_MUTEX)
828  _getpot_mtx(),
829 #endif
830  _internal_string_container(),
831  _requested_arguments(),
832  _requested_variables(),
833  _requested_sections(),
834  request_recording_f()
835 {
836  const std::string& StrCommentStart = CommentStart ? CommentStart : std::string("#");
837  const std::string& StrCommentEnd = CommentEnd ? CommentEnd : std::string("\n");
838  const std::string& StrFieldSeparator = FieldSeparator ? FieldSeparator : std::string(" \t\n");
839  this->parse_input_file(FileName, StrCommentStart, StrCommentEnd, StrFieldSeparator);
840 }
841 
842 
843 
844 inline
845 GetPot::GetPot(const std::string& FileName,
846  const std::string& CommentStart,
847  const std::string& CommentEnd,
848  const std::string& FieldSeparator) :
849  prefix(),
850  section(),
851  section_list(),
852  argv(),
853  cursor(),
854  search_loop_f(),
855  search_failed_f(),
856  nominus_cursor(),
857  idx_nominus(),
858  variables(),
859  _comment_start(),
860  _comment_end(),
861  _field_separator(),
862 #if !defined(GETPOT_DISABLE_MUTEX)
863  _getpot_mtx(),
864 #endif
865  _internal_string_container(),
866  _requested_arguments(),
867  _requested_variables(),
868  _requested_sections(),
869  request_recording_f()
870 {
871  this->parse_input_file(FileName, CommentStart, CommentEnd, FieldSeparator);
872 }
873 
874 inline void
875 GetPot::parse_input_file(const std::string& FileName,
876  const std::string& CommentStart,
877  const std::string& CommentEnd,
878  const std::string& FieldSeparator)
879 {
880  std::ifstream input(FileName.c_str());
881 
882  if (!input)
883  getpot_file_error(FileName);
884 
885  this->parse_input_stream(input,FileName,CommentStart,CommentEnd,FieldSeparator);
886 }
887 
888 
889 inline
890 GetPot::GetPot(std::istream& FileStream,
891  const std::string& CommentStart,
892  const std::string& CommentEnd,
893  const std::string& FieldSeparator) :
894  prefix(),
895  section(),
896  section_list(),
897  argv(),
898  cursor(),
899  search_loop_f(),
900  search_failed_f(),
901  nominus_cursor(),
902  idx_nominus(),
903  variables(),
904  _comment_start(),
905  _comment_end(),
906  _field_separator(),
907 #if !defined(GETPOT_DISABLE_MUTEX)
908  _getpot_mtx(),
909 #endif
910  _internal_string_container(),
911  _requested_arguments(),
912  _requested_variables(),
913  _requested_sections(),
914  request_recording_f()
915 {
916  this->parse_input_stream(FileStream,
917  std::string("ParsedFromStream"),// We don't have a filename here
918  CommentStart, CommentEnd, FieldSeparator);
919 }
920 
921 
922 inline void
923 GetPot::parse_input_stream(std::istream& FileStream,
924  const std::string& FileName,
925  const std::string& CommentStart,
926  const std::string& CommentEnd,
927  const std::string& FieldSeparator)
928 {
929  _basic_initialization();
930 
931  // overwrite default strings
932  _comment_start = std::string(CommentStart);
933  _comment_end = std::string(CommentEnd);
934  _field_separator = FieldSeparator;
935 
936  STRING_VECTOR _apriori_argv;
937  // -- the first element of the argument vector stores the name of
938  // the first parsing source; however, this element is not
939  // parsed for variable assignments or nominuses.
940  //
941  // Regardless, we don't add more than one name to the argument
942  // vector. In this case, we're parsing from a stream, so we'll
943  // hardcode the "filename" to "ParsedFromStream"
944  _apriori_argv.push_back(FileName);
945 
946  STRING_VECTOR args = _read_in_stream(FileStream);
947  _apriori_argv.insert(_apriori_argv.begin()+1, args.begin(), args.end());
948  _parse_argument_vector(_apriori_argv);
949 }
950 
951 
952 
953 inline
954 GetPot::GetPot(const GetPot& Other) :
955  prefix(Other.prefix),
956  section(Other.section),
957  section_list(Other.section_list),
958  argv(Other.argv),
959  cursor(Other.cursor),
960  search_loop_f(Other.search_loop_f),
961  search_failed_f(Other.search_failed_f),
962  overridden_vars(),
963  nominus_cursor(Other.nominus_cursor),
964  idx_nominus(Other.idx_nominus),
965  variables(Other.variables),
966  _comment_start(Other._comment_start),
967  _comment_end(Other._comment_end),
968  _field_separator(Other._field_separator),
969  // #if !defined(GETPOT_DISABLE_MUTEX)
970  // _getpot_mtx(Other._getpot_mtx),
971  // #endif
972  _internal_string_container(),
973  _requested_arguments(Other._requested_arguments),
974  _requested_variables(Other._requested_variables),
975  _requested_sections(Other._requested_sections),
976  request_recording_f(Other.request_recording_f)
977 {
978  std::set<const char*,ltstr>::const_iterator it =
979  Other._internal_string_container.begin();
980 
981  const std::set<const char*,ltstr>::const_iterator end =
982  Other._internal_string_container.end();
983 
984  for (; it != end; ++it)
985  {
986  const char* otherstr = *it;
987  char* newcopy = new char[strlen(otherstr)+1];
988  strncpy(newcopy, otherstr, strlen(otherstr)+1);
989  this->_internal_string_container.insert(newcopy);
990  }
991 }
992 
993 
994 
995 inline
996 GetPot::~GetPot()
997 {
998  // may be some return strings had to be created, delete now !
999  std::set<const char*, ltstr>::const_iterator it = _internal_string_container.begin();
1000  const std::set<const char*, ltstr>::const_iterator end = _internal_string_container.end();
1001  for (; it != end; ++it)
1002  delete [] *it;
1003 }
1004 
1005 
1006 
1007 inline GetPot&
1008 GetPot::operator=(const GetPot& Other)
1009 {
1010  if (&Other == this)
1011  return *this;
1012 
1013  prefix = Other.prefix;
1014  section = Other.section;
1015  section_list = Other.section_list;
1016  argv = Other.argv;
1017  cursor = Other.cursor;
1018  search_loop_f = Other.search_loop_f;
1019  search_failed_f = Other.search_failed_f;
1020  nominus_cursor = Other.nominus_cursor;
1021  overridden_vars = Other.overridden_vars;
1022  idx_nominus = Other.idx_nominus;
1023  variables = Other.variables;
1024  _comment_start = Other._comment_start;
1025  _comment_end = Other._comment_end;
1026  _field_separator = Other._field_separator;
1027  // #if !defined(GETPOT_DISABLE_MUTEX)
1028  // _getpot_mtx = Other._getpot_mtx;
1029  // #endif
1030  _requested_arguments = Other._requested_arguments;
1031  _requested_variables = Other._requested_variables;
1032  _requested_sections = Other._requested_sections;
1033  request_recording_f = Other.request_recording_f;
1034 
1035  std::set<const char*, ltstr>::const_iterator my_it =
1036  _internal_string_container.begin();
1037  const std::set<const char*, ltstr>::const_iterator my_end =
1038  _internal_string_container.end();
1039 
1040  for (; my_it != my_end; ++my_it)
1041  delete [] *my_it;
1042 
1043  _internal_string_container.clear();
1044 
1045  std::set<const char*,ltstr>::const_iterator it =
1046  Other._internal_string_container.begin();
1047  const std::set<const char*,ltstr>::const_iterator end =
1048  Other._internal_string_container.end();
1049 
1050  for (; it != end; ++it)
1051  {
1052  const char* otherstr = *it;
1053  char* newcopy = new char[strlen(otherstr)+1];
1054  strncpy(newcopy, otherstr, strlen(otherstr)+1);
1055  this->_internal_string_container.insert(newcopy);
1056  }
1057 
1058  return *this;
1059 }
1060 
1061 
1062 
1063 inline void
1064 GetPot::absorb(const GetPot& Other)
1065 {
1066  if (&Other == this)
1067  return;
1068 
1069  // variables that are not influenced by absorption:
1070  // _comment_start
1071  // _comment_end
1072  // cursor
1073  // nominus_cursor
1074  // search_failed
1075  // idx_nominus
1076  // search_loop_f
1077  argv = Other.argv;
1078  variables = Other.variables;
1079 
1080  if (request_recording_f)
1081  {
1082  // Get a lock before touching anything mutable
1083  SCOPED_MUTEX;
1084 
1085  _requested_arguments.insert(Other._requested_arguments.begin(), Other._requested_arguments.end());
1086  _requested_variables.insert(Other._requested_variables.begin(), Other._requested_variables.end());
1087  _requested_sections.insert(Other._requested_sections.begin(), Other._requested_sections.end());
1088  }
1089 }
1090 
1091 
1092 
1093 inline void
1094 GetPot::clear_requests()
1095 {
1096  // Get a lock before touching anything mutable
1097  SCOPED_MUTEX;
1098 
1099  _requested_arguments.clear();
1100  _requested_variables.clear();
1101  _requested_sections.clear();
1102 }
1103 
1104 
1105 
1106 inline void
1107 GetPot::_parse_argument_vector(const STRING_VECTOR& ARGV)
1108 {
1109  if (ARGV.empty())
1110  return;
1111 
1112  // build internal databases:
1113  // 1) array with no-minus arguments (usually used as filenames)
1114  // 2) variable assignments:
1115  // 'variable name' '=' number | string
1116  STRING_VECTOR section_stack;
1117  STRING_VECTOR::const_iterator it = ARGV.begin();
1118 
1119 
1120  section = "";
1121 
1122  // -- do not parse the first argument, so that this parsing source
1123  // name is not interpreted a s a nominus or so. If we already
1124  // have parsed arguments, don't bother adding another parsing
1125  // source name
1126  if (argv.empty())
1127  argv.push_back(*it);
1128  ++it;
1129 
1130  // -- loop over remaining arguments
1131  for (; it != ARGV.end(); ++it)
1132  {
1133  std::string arg = *it;
1134 
1135  if (arg.length() == 0)
1136  continue;
1137 
1138  // -- [section] labels and [include file] directives
1139  if (arg.length() > 1 && arg[0] == '[' && arg[arg.length()-1] == ']')
1140  {
1141 
1142  // Is this an include file directive?
1143  std::size_t include_pos = arg.find("include ", 1);
1144  if (include_pos != std::string::npos)
1145  {
1146 
1147  const std::string includefile =
1148  _DBE_expand_string(arg.substr(9, arg.length()-9-include_pos));
1149 
1150  this->parse_input_file
1151  (includefile, _comment_start, _comment_end, _field_separator);
1152  }
1153 
1154  else
1155  {
1156  // (*) sections are considered 'requested arguments'
1157  if (request_recording_f)
1158  {
1159  // Get a lock before touching anything mutable
1160  SCOPED_MUTEX;
1161 
1162  _requested_arguments.insert(arg);
1163  }
1164 
1165  const std::string Name = _DBE_expand_string(arg.substr(1, arg.length()-2));
1166  section = _process_section_label(Name, section_stack);
1167  // new section --> append to list of sections
1168  if (find(section_list.begin(), section_list.end(), section) == section_list.end())
1169  if (section.length() != 0) section_list.push_back(section);
1170  argv.push_back(arg);
1171  }
1172  }
1173  else
1174  {
1175  arg = section + _DBE_expand_string(arg);
1176  argv.push_back(arg);
1177  }
1178 
1179  // -- separate array for nominus arguments
1180  if (arg[0] != '-')
1181  idx_nominus.push_back(getpot_cast_int<unsigned>(argv.size()-1));
1182 
1183  // -- variables: does arg contain a '=' operator ?
1184  const std::size_t equals_pos = arg.find_first_of('=');
1185  if (equals_pos != std::string::npos)
1186  {
1187  // (*) record for later ufo detection
1188  // arguments carriying variables are always treated as 'requested' arguments.
1189  // unrequested variables have to be detected with the ufo-variable
1190  // detection routine.
1191  if (request_recording_f)
1192  {
1193  // Get a lock before touching anything mutable
1194  SCOPED_MUTEX;
1195 
1196  _requested_arguments.insert(arg);
1197  }
1198 
1199  // => arg (from start to '=') = Name of variable
1200  // (from '=' to end) = value of variable
1201  _set_variable(arg.substr(0,equals_pos),
1202  arg.substr(equals_pos+1), false);
1203  }
1204  }
1205 }
1206 
1207 
1208 
1209 inline STRING_VECTOR
1210 GetPot::_read_in_stream(std::istream& istr)
1211 {
1212  STRING_VECTOR brute_tokens;
1213  while (istr)
1214  {
1215  _skip_whitespace(istr);
1216  const std::string Token = _get_next_token(istr);
1217  // Allow 'keyword =' to parse with an empty string as value.
1218  // Only break at EOF.
1219  // if (Token.length() == 0 || Token[0] == EOF) break;
1220  if (Token[0] == EOF)
1221  break;
1222  brute_tokens.push_back(Token);
1223  }
1224 
1225  // -- reduce expressions of token1'='token2 to a single
1226  // string 'token1=token2'
1227  // -- copy everything into 'argv'
1228  // -- arguments preceded by something like '[' name ']' (section)
1229  // produce a second copy of each argument with a prefix '[name]argument'
1230  unsigned i1 = 0;
1231  unsigned i2 = 1;
1232  unsigned i3 = 2;
1233 
1234  STRING_VECTOR arglist;
1235  while (i1 < brute_tokens.size())
1236  {
1237  // 1) concatenate 'abcdef' '=' 'efgasdef' to 'abcdef=efgasdef'
1238  // note: java.lang.String: substring(a,b) = from a to b-1
1239  // C++ string: substr(a,b) = from a to a + b
1240  std::string result;
1241  if (i2 < brute_tokens.size() && brute_tokens[i2] == "=")
1242  {
1243  if (i3 >= brute_tokens.size())
1244  result = brute_tokens[i1] + brute_tokens[i2];
1245  else
1246  result = brute_tokens[i1] + brute_tokens[i2] + brute_tokens[i3];
1247  i1 = i3+1; i2 = i3+2; i3 = i3+3;
1248  }
1249  else if (i2 < brute_tokens.size() &&
1250  brute_tokens[i2].length() > 0 &&
1251  brute_tokens[i2][0] == '=')
1252  {
1253  // This case should not be hit if '=' at the beginning of a word
1254  // is always separated into its own word
1255  result = brute_tokens[i1] + brute_tokens[i2];
1256  i1 = i3; i2 = i3+1; i3 = i3+2;
1257  }
1258  else if (i2 < brute_tokens.size() && brute_tokens[i1][brute_tokens[i1].size()-1] == '=')
1259  {
1260  result = brute_tokens[i1] + brute_tokens[i2];
1261  i1 = i3; i2 = i3+1; i3 = i3+2;
1262  }
1263  else
1264  {
1265  result = brute_tokens[i1];
1266  i1=i2; i2=i3; i3++;
1267  }
1268 
1269  // Now strip out any comment
1270  size_t comment_start_loc = result.find(_comment_start, 0);
1271  if (comment_start_loc != std::string::npos)
1272  result = result.substr(0, comment_start_loc);
1273 
1274  arglist.push_back(result);
1275  }
1276  return arglist;
1277 }
1278 
1279 
1280 
1281 inline void
1282 GetPot::_skip_whitespace(std::istream& istr)
1283 {
1284  // find next non-whitespace while deleting comments
1285  int tmp = istr.get();
1286  do {
1287  // -- search a non whitespace
1288  while (isspace(tmp))
1289  {
1290  tmp = istr.get();
1291  if (!istr)
1292  return;
1293  }
1294 
1295  // -- look if characters match the comment starter string
1296  for (unsigned i=0; i<_comment_start.length() ; i++)
1297  {
1298  if (tmp != _comment_start[i])
1299  {
1300  // -- one step more backwards, since 'tmp' already at non-whitespace
1301  istr.unget();
1302  return;
1303  }
1304 
1305  // RHS: Why is this here? It breaks on empty comments
1306  // tmp = istr.get();
1307  // if (!istr) { istr.unget(); return; }
1308  }
1309  // 'tmp' contains last character of _comment_starter
1310 
1311  // -- comment starter found -> search for comment ender
1312  unsigned match_no=0;
1313  while (true)
1314  {
1315  tmp = istr.get();
1316  if (!istr)
1317  {
1318  istr.unget();
1319  return;
1320  }
1321 
1322  if (tmp == _comment_end[match_no])
1323  {
1324  match_no++;
1325  if (match_no == _comment_end.length())
1326  {
1327  istr.unget();
1328  break; // shuffle more whitespace, end of comment found
1329  }
1330  }
1331  else
1332  match_no = 0;
1333  }
1334 
1335  tmp = istr.get();
1336 
1337  } while (istr);
1338  istr.unget();
1339 }
1340 
1341 
1342 
1343 inline const std::string
1344 GetPot::_get_next_token(std::istream& istr)
1345 {
1346  // get next concatenates string token. consider quotes that embrace
1347  // whitespaces
1348  std::string token;
1349  int tmp = 0;
1350  while (true)
1351  {
1352  int last_letter = tmp;
1353  tmp = istr.get();
1354 
1355  if (tmp == '=')
1356  {
1357  // Always break at '='.
1358  // This separates '=' at the beginning of a word into its own word.
1359  token += getpot_cast_int<char>(tmp);
1360  return token;
1361  }
1362 
1363  else if (tmp == EOF || ((tmp == ' ' || tmp == '\t' || tmp == '\n') && last_letter != '\\'))
1364  return token;
1365 
1366  else if (tmp == '\'' && last_letter != '\\')
1367  {
1368  // QUOTES: un-backslashed quotes => it's a string
1369  token += _get_string(istr);
1370  continue;
1371  }
1372 
1373  else if (tmp == '{' && last_letter == '$')
1374  {
1375  token += '{' + _get_until_closing_bracket(istr);
1376  continue;
1377  }
1378 
1379  else if (tmp == '[')
1380  {
1381  token += '[' + _get_until_closing_square_bracket(istr);
1382  continue;
1383  }
1384 
1385  else if (tmp == '$' && last_letter == '\\')
1386  {
1387  token += getpot_cast_int<char>(tmp); tmp = 0; // so that last_letter will become = 0, not '$';
1388  continue;
1389  }
1390 
1391  else if (tmp == '\\' && last_letter != '\\')
1392  continue; // don't append un-backslashed backslashes
1393 
1394  token += getpot_cast_int<char>(tmp);
1395  }
1396 }
1397 
1398 
1399 
1400 inline const std::string
1401 GetPot::_get_string(std::istream& istr)
1402 {
1403  // parse input until next matching '
1404  std::string str;
1405  int tmp = 0;
1406  while (true)
1407  {
1408  int last_letter = tmp;
1409  tmp = istr.get();
1410  if (tmp == EOF)
1411  return str;
1412 
1413  // un-backslashed quotes => it's the end of the string
1414  else if (tmp == '\'' && last_letter != '\\')
1415  return str;
1416 
1417  else if (tmp == '\\' && last_letter != '\\')
1418  continue; // don't append
1419 
1420  str += getpot_cast_int<char>(tmp);
1421  }
1422 }
1423 
1424 
1425 
1426 inline const std::string
1427 GetPot::_get_until_closing_bracket(std::istream& istr)
1428 {
1429  // parse input until next matching }
1430  std::string str = "";
1431  int tmp = 0;
1432  int brackets = 1;
1433  while (true)
1434  {
1435  int last_letter = tmp;
1436  tmp = istr.get();
1437  if (tmp == EOF)
1438  return str;
1439 
1440  else if (tmp == '{' && last_letter == '$')
1441  brackets += 1;
1442 
1443  else if (tmp == '}')
1444  {
1445  brackets -= 1;
1446  // un-backslashed brackets => it's the end of the string
1447  if (brackets == 0)
1448  return str + '}';
1449 
1450  else if (tmp == '\\' && last_letter != '\\')
1451  continue; // do not append an unbackslashed backslash
1452  }
1453  str += getpot_cast_int<char>(tmp);
1454  }
1455 }
1456 
1457 
1458 
1459 inline const std::string
1460 GetPot::_get_until_closing_square_bracket(std::istream& istr)
1461 {
1462  // parse input until next matching ]
1463  std::string str = "";
1464  int brackets = 1;
1465  while (true)
1466  {
1467  int tmp = istr.get();
1468  if (tmp == EOF)
1469  return str;
1470 
1471  else if (tmp == '[')
1472  brackets += 1;
1473 
1474  else if (tmp == ']')
1475  {
1476  brackets -= 1;
1477  if (brackets == 0)
1478  return str + ']';
1479  }
1480 
1481  str += getpot_cast_int<char>(tmp);
1482  }
1483 }
1484 
1485 
1486 
1487 inline std::string
1488 GetPot::_process_section_label(const std::string& Section,
1489  STRING_VECTOR& section_stack)
1490 {
1491  std::string sname = Section;
1492  // 1) subsection of actual section ('./' prefix)
1493  if (sname.length() >= 2 && sname.substr(0, 2) == "./")
1494  sname = sname.substr(2);
1495 
1496  // 2) subsection of parent section ('../' prefix)
1497  else if (sname.length() >= 3 && sname.substr(0, 3) == "../")
1498  {
1499  do
1500  {
1501  if (section_stack.end() != section_stack.begin())
1502  section_stack.pop_back();
1503  sname = sname.substr(3);
1504  } while (sname.substr(0, 3) == "../");
1505  }
1506 
1507  // 3) subsection of the root-section
1508  else
1509  // [] => back to root section
1510  section_stack.erase(section_stack.begin(), section_stack.end());
1511 
1512  if (sname != "")
1513  {
1514  // parse section name for 'slashes'
1515  unsigned i=0;
1516  while (i < sname.length())
1517  {
1518  if (sname[i] == '/')
1519  {
1520  section_stack.push_back(sname.substr(0,i));
1521  if (i+1 < sname.length())
1522  sname = sname.substr(i+1);
1523  i = 0;
1524  }
1525  else
1526  i++;
1527  }
1528  section_stack.push_back(sname);
1529  }
1530 
1531  std::string section_label = "";
1532  if (!section_stack.empty())
1533  {
1534  victorate(std::string, section_stack, it)
1535  section_label += *it + "/";
1536  }
1537  return section_label;
1538 }
1539 
1540 
1541 
1542 // Use C++ istream/ostream to handle most type conversions.
1543 template <typename T>
1544 inline T
1545 GetPot::_convert_to_type(const std::string& String, const T& Default) const
1546 {
1547  std::istringstream in_string(String);
1548  T retval;
1549  in_string >> retval;
1550  if (in_string.fail())
1551  retval = Default;
1552  return retval;
1553 }
1554 
1555 
1556 
1557 // copy string - operator>> would have stopped upon seeing whitespace!
1558 template <>
1559 inline std::string
1560 GetPot::_convert_to_type(const std::string& String, const std::string&) const
1561 {
1562  return String;
1563 }
1564 
1565 
1566 
1567 // copy string
1568 inline std::string
1569 GetPot::_convert_to_type(const std::string& String, const char*) const
1570 {
1571  return String;
1572 }
1573 
1574 
1575 
1576 // be more liberal than std C++ in what we interpret as a boolean
1577 template<>
1578 inline bool
1579 GetPot::_convert_to_type<bool>(const std::string& String, const bool & Default) const
1580 {
1581  std::string newstring(String);
1582  //std::transform(newstring.begin(), newstring.end(), newstring.begin(), std::toupper);
1583  for (unsigned int i=0; i<newstring.length(); ++i)
1584  newstring[i] = getpot_cast_int<char>(toupper(newstring[i]));
1585 
1586  // "true"/"True"/"TRUE" should work
1587  if (newstring.find("TRUE")!=std::string::npos)
1588  return true;
1589 
1590  if (newstring.find("FALSE")!=std::string::npos)
1591  return false;
1592 
1593  // And if we don't find that, let's search for an integer and use C unsigned
1594  // int->bool conversion before giving up; i.e. a user could specify "0" for
1595  // false or "1" for true
1596  std::istringstream in_string(String);
1597  unsigned int retval;
1598  in_string >> retval;
1599  if (in_string.fail())
1600  return Default;
1601 
1602  return retval;
1603 }
1604 
1605 
1606 
1607 // Use C++ istream/ostream to handle most type conversions.
1608 template <typename T>
1609 inline T
1610 GetPot::_convert_to_type_no_default(const char* VarName, const std::string& String, const T&) const
1611 {
1612  std::istringstream in_string(String);
1613  T retval;
1614  in_string >> retval;
1615  if (in_string.fail())
1616  {
1617  getpot_cerr <<"ERROR: Input value for variable "<<VarName<<" is of the wrong type."<<std::endl;
1618  getpot_cerr <<" value = "<<String<<" expected type = "<<typeid(T).name()<<std::endl;
1619  getpot_error();
1620  }
1621  return retval;
1622 }
1623 
1624 
1625 
1626 // copy string - operator>> would have stopped upon seeing whitespace!
1627 template <>
1628 inline std::string
1629 GetPot::_convert_to_type_no_default(const char*, const std::string& String, const std::string&) const
1630 {
1631  return String;
1632 }
1633 
1634 
1635 
1636 // copy string
1637 inline std::string
1638 GetPot::_convert_to_type_no_default(const char*, const std::string& String, const char*) const
1639 {
1640  return String;
1641 }
1642 
1643 
1644 
1645 // be more liberal than std C++ in what we interpret as a boolean
1646 template<>
1647 inline bool
1648 GetPot::_convert_to_type_no_default<bool>(const char* VarName, const std::string& String, const bool &) const
1649 {
1650  std::string newstring(String);
1651  //std::transform(newstring.begin(), newstring.end(), newstring.begin(), std::toupper);
1652  for (unsigned int i=0; i<newstring.length(); ++i)
1653  {
1654  newstring[i]=getpot_cast_int<char>(toupper(newstring[i]));
1655  }
1656 
1657  // "true"/"True"/"TRUE" should work
1658  if (newstring.find("TRUE")!=std::string::npos)
1659  return true;
1660 
1661  if (newstring.find("FALSE")!=std::string::npos)
1662  return false;
1663 
1664  // And if we don't find that, let's search for an integer and use C unsigned
1665  // int->bool conversion before giving up; i.e. a user could specify "0" for
1666  // false or "1" for true
1667  std::istringstream in_string(String);
1668  unsigned int retval;
1669  in_string >> retval;
1670  if (in_string.fail())
1671  {
1672  getpot_cerr <<"ERROR: Input value for variable "<<VarName<<" is of the wrong type."<<std::endl;
1673  getpot_cerr <<" value = "<<String<<" expected type = "<<typeid(bool).name()<<std::endl;
1674  getpot_error();
1675  }
1676 
1677  return retval;
1678 }
1679 
1680 
1681 
1682 inline const char*
1683 GetPot::_internal_managed_copy(const std::string& Arg) const
1684 {
1685  const char* arg = Arg.c_str();
1686 
1687  // Get a lock before touching anything mutable
1688  SCOPED_MUTEX;
1689 
1690  // See if there's already an identical string saved
1691  std::set<const char*,ltstr>::const_iterator it =
1692  _internal_string_container.find(arg);
1693 
1694  // If so, return it
1695  if (it != _internal_string_container.end())
1696  return *it;
1697 
1698  // Otherwise, create a new one
1699  char* newcopy = new char[strlen(arg)+1];
1700  strncpy(newcopy, arg, strlen(arg)+1);
1701  _internal_string_container.insert(newcopy);
1702  return newcopy;
1703 }
1704 
1705 
1706 
1708 // (*) cursor oriented functions
1709 //.............................................................................
1710 
1711 // Checks if 'String' begins with 'Start' and returns the remaining String.
1712 // Returns None if String does not begin with Start.
1713 inline const std::string
1714 GetPot::_get_remaining_string(const std::string& String, const std::string& Start) const
1715 {
1716  if (Start == "")
1717  return String;
1718 
1719  // note: java.lang.String: substring(a,b) = from a to b-1
1720  // C++ string: substr(a,b) = from a to a + b
1721  if (String.find(Start) == 0)
1722  return String.substr(Start.length());
1723 
1724  else
1725  return "";
1726 }
1727 
1728 
1729 
1730 // -- search for a certain argument and set cursor to position
1731 inline bool
1732 GetPot::search(const std::string &Option)
1733 {
1734  return search(Option.c_str());
1735 }
1736 
1737 
1738 
1739 // -- search for a certain argument and set cursor to position
1740 inline bool
1741 GetPot::search(const char* Option)
1742 {
1743  unsigned OldCursor = cursor;
1744  const std::string SearchTerm = prefix + Option;
1745 
1746  // (*) record requested arguments for later ufo detection
1747  _record_argument_request(SearchTerm);
1748 
1749  if (OldCursor >= argv.size())
1750  OldCursor = getpot_cast_int<unsigned>(argv.size() - 1);
1751  search_failed_f = true;
1752 
1753  // (*) first loop from cursor position until end
1754  for (unsigned c = cursor; c < argv.size(); c++)
1755  {
1756  if (argv[c] == SearchTerm)
1757  {
1758  cursor = c;
1759  search_failed_f = false;
1760  return true;
1761  }
1762  }
1763  if (!search_loop_f)
1764  return false;
1765 
1766  // (*) second loop from 0 to old cursor position
1767  for (unsigned c = 1; c < OldCursor; c++)
1768  {
1769  if (argv[c] == SearchTerm)
1770  {
1771  cursor = c;
1772  search_failed_f = false;
1773  return true;
1774  }
1775  }
1776 
1777  // in case nothing is found the cursor stays where it was
1778  return false;
1779 }
1780 
1781 
1782 
1783 inline bool
1784 GetPot::search(unsigned No, const char* P, ...)
1785 {
1786  // (*) recording the requested arguments happens in subroutine 'search'
1787  if (No == 0)
1788  return false;
1789 
1790  // search for the first argument
1791  if (search(P) == true)
1792  return true;
1793 
1794  // start interpreting variable argument list
1795  va_list ap;
1796  va_start(ap, P);
1797  unsigned i = 1;
1798  for (; i < No; i++)
1799  {
1800  char* Opt = va_arg(ap, char *);
1801  // (*) search records itself for later ufo detection
1802  if (search(Opt) == true)
1803  break;
1804  }
1805 
1806  if (i < No)
1807  {
1808  i++;
1809  // loop was left before end of array --> hit but
1810  // make sure that the rest of the search terms is marked
1811  // as requested.
1812  for (; i < No; i++)
1813  {
1814  char* Opt = va_arg(ap, char *);
1815  // (*) record requested arguments for later ufo detection
1816  _record_argument_request(Opt);
1817  }
1818  va_end(ap);
1819  return true;
1820  }
1821 
1822  va_end(ap);
1823  // loop was left normally --> no hit
1824  return false;
1825 }
1826 
1827 
1828 
1829 inline void
1830 GetPot::reset_cursor()
1831 {
1832  search_failed_f = false;
1833  cursor = 0;
1834 }
1835 
1836 
1837 
1838 inline void
1839 GetPot::init_multiple_occurrence()
1840 {
1841  disable_loop();
1842  reset_cursor();
1843 }
1844 
1845 
1846 
1848 // (*) direct access to command line arguments
1849 //.............................................................................
1850 //
1851 inline const char*
1852 GetPot::operator[](unsigned idx) const
1853 {
1854  return idx<argv.size() ? argv[idx].c_str() : 0;
1855 }
1856 
1857 
1858 
1859 template <typename T>
1860 inline T
1861 GetPot::get(unsigned int Idx, const T& Default) const
1862 {
1863  if (Idx >= argv.size())
1864  return Default;
1865  return _convert_to_type(argv[Idx], Default);
1866 }
1867 
1868 
1869 
1870 inline const char*
1871 GetPot::get(unsigned int Idx, const char* Default) const
1872 {
1873  if (Idx >= argv.size())
1874  return Default;
1875  return argv[Idx].c_str();
1876 }
1877 
1878 
1879 
1880 inline unsigned
1881 GetPot::size() const
1882 {
1883  return getpot_cast_int<unsigned>(argv.size());
1884 }
1885 
1886 
1887 
1888 // -- next() function group
1889 template <typename T>
1890 inline T
1891 GetPot::next(const T& Default)
1892 {
1893  if (search_failed_f)
1894  return Default;
1895  cursor++;
1896  if (cursor >= argv.size())
1897  {
1898  cursor = getpot_cast_int<unsigned>(argv.size());
1899  return Default;
1900  }
1901 
1902  // (*) record requested argument for later ufo detection
1903  _record_argument_request(argv[cursor]);
1904 
1905  const std::string Remain = _get_remaining_string(argv[cursor], prefix);
1906 
1907  return Remain != "" ? _convert_to_type(Remain, Default) : Default;
1908 }
1909 
1910 
1911 
1912 inline const char*
1913 GetPot::next(const char* Default)
1914 {
1915  return _internal_managed_copy(next(std::string(Default)));
1916 }
1917 
1918 
1919 
1920 // -- follow() function group
1921 // distinct option to be searched for
1922 template <typename T>
1923 inline T
1924 GetPot::follow(const T& Default, const char* Option)
1925 {
1926  // (*) record requested of argument is entirely handled in 'search()' and 'next()'
1927  if (search(Option) == false)
1928  return Default;
1929 
1930  return next(Default);
1931 }
1932 
1933 
1934 
1935 inline const char*
1936 GetPot::follow(const char* Default, const char* Option)
1937 {
1938  return _internal_managed_copy(follow(std::string(Default), Option));
1939 }
1940 
1941 
1942 
1943 // -- second follow() function group
1944 // multiple option to be searched for
1945 template <typename T>
1946 inline T
1947 GetPot::follow(const T& Default, unsigned int No, const char* P, ...)
1948 {
1949  // (*) record requested of argument is entirely handled in 'search()' and 'next()'
1950  if (No == 0)
1951  return Default;
1952 
1953  if (search(P) == true)
1954  return next(Default);
1955 
1956  va_list ap;
1957  va_start(ap, P);
1958  for (unsigned i=1; i<No; i++)
1959  {
1960  char* Opt = va_arg(ap, char *);
1961  if (search(Opt) == true)
1962  {
1963  va_end(ap);
1964  return next(Default);
1965  }
1966  }
1967  va_end(ap);
1968  return Default;
1969 }
1970 
1971 
1972 
1973 inline const char*
1974 GetPot::follow(const char* Default, unsigned No, const char* P, ...)
1975 {
1976  // (*) record requested of argument is entirely handled in 'search()' and 'next()'
1977  if (No == 0)
1978  return Default;
1979 
1980  if (search(P) == true)
1981  return next(Default);
1982 
1983  va_list ap;
1984  va_start(ap, P);
1985  for (unsigned i=1; i<No; i++)
1986  {
1987  char* Opt = va_arg(ap, char *);
1988  if (search(Opt) == true)
1989  {
1990  va_end(ap);
1991  return next(Default);
1992  }
1993  }
1994  va_end(ap);
1995  return Default;
1996 }
1997 
1998 
1999 
2001 // (*) directly connected options
2002 //.............................................................................
2003 //
2004 template <typename T>
2005 inline T
2006 GetPot::direct_follow(const T& Default, const char* Option)
2007 {
2008  const char* FollowStr = _match_starting_string(Option);
2009 
2010  // (*) record requested of argument for later ufo-detection
2011  _record_argument_request(std::string(Option) + FollowStr);
2012 
2013  if (FollowStr == 0)
2014  return Default;
2015 
2016  if (++cursor >= argv.size())
2017  cursor = getpot_cast_int<unsigned>(argv.size());
2018  return _convert_to_type(FollowStr, Default);
2019 }
2020 
2021 
2022 
2023 inline const char*
2024 GetPot::direct_follow(const char* Default, const char* Option)
2025 {
2026  return _internal_managed_copy(direct_follow(std::string(Default), Option));
2027 }
2028 
2029 
2030 
2031 // pointer to the place where the string after
2032 // the match inside the found argument starts.
2033 // 0 no argument matches the starting string.
2034 inline const char*
2035 GetPot::_match_starting_string(const char* StartString)
2036 {
2037  const unsigned N =
2038  getpot_cast_int<unsigned>(strlen(StartString));
2039  unsigned OldCursor = cursor;
2040 
2041  if (OldCursor >= argv.size())
2042  OldCursor = getpot_cast_int<unsigned>(argv.size() - 1);
2043  search_failed_f = true;
2044 
2045  // (*) first loop from cursor position until end
2046  for (unsigned c = cursor; c < argv.size(); c++)
2047  {
2048  if (strncmp(StartString, argv[c].c_str(), N) == 0)
2049  {
2050  cursor = c;
2051  search_failed_f = false;
2052  return &(argv[c].c_str()[N]);
2053  }
2054  }
2055 
2056  if (!search_loop_f)
2057  return NULL;
2058 
2059  // (*) second loop from 0 to old cursor position
2060  for (unsigned c = 1; c < OldCursor; c++)
2061  {
2062  if (strncmp(StartString, argv[c].c_str(), N) == 0)
2063  {
2064  cursor = c;
2065  search_failed_f = false;
2066  return &(argv[c].c_str()[N]);
2067  }
2068  }
2069  return 0;
2070 }
2071 
2072 
2073 
2075 // (*) search for flags
2076 //.............................................................................
2077 //
2078 inline bool
2079 GetPot::options_contain(const char* FlagList) const
2080 {
2081  // go through all arguments that start with a '-' (but not '--')
2082  std::string str;
2083  STRING_VECTOR::const_iterator it = argv.begin();
2084  for (; it != argv.end(); ++it)
2085  {
2086  str = _get_remaining_string(*it, prefix);
2087 
2088  if (str.length() >= 2 && str[0] == '-' && str[1] != '-')
2089  if (_check_flags(str, FlagList))
2090  return true;
2091  }
2092  return false;
2093 }
2094 
2095 
2096 
2097 inline bool
2098 GetPot::argument_contains(unsigned Idx, const char* FlagList) const
2099 {
2100  if (Idx >= argv.size())
2101  return false;
2102 
2103  // (*) record requested of argument for later ufo-detection
2104  // an argument that is checked for flags is considered to be 'requested'
2105  _record_argument_request(argv[Idx]);
2106 
2107  if (prefix == "")
2108  // search argument for any flag in flag list
2109  return _check_flags(argv[Idx], FlagList);
2110 
2111  // if a prefix is set, then the argument index is the index
2112  // inside the 'namespace'
2113  // => only check list of arguments that start with prefix
2114  unsigned no_matches = 0;
2115  for (unsigned i=0; i<argv.size(); i++)
2116  {
2117  const std::string Remain = _get_remaining_string(argv[i], prefix);
2118  if (Remain != "")
2119  {
2120  no_matches += 1;
2121  if (no_matches == Idx)
2122  return _check_flags(Remain, FlagList);
2123  }
2124  }
2125 
2126  // no argument in this namespace
2127  return false;
2128 }
2129 
2130 
2131 
2132 inline bool
2133 GetPot::_check_flags(const std::string& Str, const char* FlagList) const
2134 {
2135  for (const char* p=FlagList; *p != '\0' ; p++)
2136  if (Str.find(*p) != std::string::npos)
2137  return true; // found something
2138  return false;
2139 }
2140 
2141 
2142 
2144 // (*) nominus arguments
2145 
2146 // return vector of nominus arguments
2147 inline STRING_VECTOR
2148 GetPot::nominus_vector() const
2149 {
2150  STRING_VECTOR nv;
2151  std::vector<unsigned>::const_iterator it = idx_nominus.begin();
2152  for (; it != idx_nominus.end(); ++it)
2153  {
2154  nv.push_back(argv[*it]);
2155 
2156  // (*) record for later ufo-detection
2157  // when a nominus vector is requested, the entire set of nominus arguments are
2158  // tagged as 'requested'
2159  _record_argument_request(argv[*it]);
2160  }
2161  return nv;
2162 }
2163 
2164 
2165 
2166 inline const char*
2167 GetPot::next_nominus()
2168 {
2169  if (nominus_cursor < int(idx_nominus.size()) - 1)
2170  {
2171  const std::string Tmp = argv[idx_nominus[++nominus_cursor]];
2172 
2173  // (*) record for later ufo-detection
2174  _record_argument_request(Tmp);
2175 
2176  return _internal_managed_copy(Tmp);
2177  }
2178 
2179  return 0;
2180 }
2181 
2182 
2183 inline std::string
2184 GetPot::next_nominus_string()
2185 {
2186  if (nominus_cursor < int(idx_nominus.size()) - 1)
2187  {
2188  const std::string Tmp = argv[idx_nominus[++nominus_cursor]];
2189 
2190  // (*) record for later ufo-detection
2191  _record_argument_request(Tmp);
2192 
2193  return Tmp;
2194  }
2195 
2196  return "";
2197 }
2198 
2199 
2200 
2201 inline void
2202 GetPot::reset_nominus_cursor()
2203 {
2204  nominus_cursor = -1;
2205 }
2206 
2207 
2208 
2210 // (*) variables
2211 //.............................................................................
2212 //
2213 inline bool
2214 GetPot::have_variable(const char* VarName) const
2215 {
2216  const variable* sv = _request_variable(VarName);
2217 
2218  if (sv == 0)
2219  return false;
2220 
2221  return true;
2222 }
2223 
2224 
2225 
2226 inline bool
2227 GetPot::have_variable(const std::string& VarName) const
2228 {
2229  return have_variable(VarName.c_str());
2230 }
2231 
2232 inline bool
2233 GetPot::have_section(const char* section_name) const
2234 {
2235  std::string s = std::string(section_name);
2236  return this->have_section(s);
2237 }
2238 
2239 inline bool
2240 GetPot::have_section(const std::string& section_name) const
2241 {
2242  const char slash('/');
2243 
2244  std::string::const_reverse_iterator it = section_name.rbegin();
2245 
2246  bool found_section = false;
2247 
2248  // Check if section_name ends with a "/". If not, append it for the search since
2249  // the section names are stored with a "/" at the end.
2250  if( (*it) != slash )
2251  // We need to use a linear search because we can't sort section_list
2252  // without violating some assumptions. See libMesh #481 for more discussion.
2253  found_section = ( std::find(section_list.begin(), section_list.end(), section_name+slash) != section_list.end() );
2254  else
2255  found_section = ( std::find(section_list.begin(), section_list.end(), section_name) != section_list.end() );
2256 
2257  return found_section;
2258 }
2259 
2260 template <typename T>
2261 inline T
2262 GetPot::operator()(const char* VarName, const T& Default) const
2263 {
2264  // (*) recording of requested variables happens in '_request_variable()'
2265  const variable* sv = _request_variable(VarName);
2266 
2267  if (sv == 0)
2268  return Default;
2269 
2270  return _convert_to_type(sv->original, Default);
2271 }
2272 
2273 
2274 
2275 template <typename T>
2276 inline T
2277 GetPot::operator()(const std::string& VarName, const T& Default) const
2278 {
2279  return operator()(VarName.c_str(), Default);
2280 }
2281 
2282 
2283 
2284 inline const char*
2285 GetPot::operator()(const char* VarName, const char* Default) const
2286 {
2287  return _internal_managed_copy(operator()(VarName, std::string(Default)));
2288 }
2289 
2290 
2291 
2292 inline const char*
2293 GetPot::operator()(const std::string& VarName, const char* Default) const
2294 {
2295  return operator()(VarName.c_str(), Default);
2296 }
2297 
2298 
2299 
2300 template <typename T>
2301 inline T
2302 GetPot::operator()(const char* VarName, const T& Default, unsigned int Idx) const
2303 {
2304  // (*) recording of requested variables happens in '_request_variable()'
2305  const variable* sv = _request_variable(VarName);
2306  if (sv == 0)
2307  return Default;
2308 
2309  const std::string* element = sv->get_element(Idx);
2310  if (element == 0)
2311  return Default;
2312  return _convert_to_type(*element, Default);
2313 }
2314 
2315 
2316 
2317 template <typename T>
2318 inline T
2319 GetPot::operator()(const std::string& VarName, const T& Default, unsigned int Idx) const
2320 {
2321  return operator()(VarName.c_str(), Default, Idx);
2322 }
2323 
2324 
2325 
2326 inline const char*
2327 GetPot::operator()(const char* VarName, const char* Default, unsigned int Idx) const
2328 {
2329  return _internal_managed_copy(operator()(VarName, std::string(Default), Idx));
2330 }
2331 
2332 
2333 
2334 inline const char*
2335 GetPot::operator()(const std::string& VarName, const char* Default, unsigned int Idx) const
2336 {
2337  return operator()(VarName.c_str(), Default, Idx);
2338 }
2339 
2340 
2341 
2342 template <typename T>
2343 inline T
2344 GetPot::get_value_no_default(const char* VarName, const T& Default) const
2345 {
2346  // (*) recording of requested variables happens in '_request_variable()'
2347  const variable* sv = _request_variable(VarName);
2348  if (sv == 0)
2349  {
2350  getpot_cerr << "ERROR: cannot find variable "<<VarName<<std::endl;
2351  getpot_error();
2352  }
2353  return _convert_to_type_no_default(VarName, sv->original, Default);
2354 }
2355 
2356 
2357 
2358 template <typename T>
2359 inline T
2360 GetPot::get_value_no_default(const std::string& VarName, const T& Default) const
2361 {
2362  return get_value_no_default(VarName.c_str(),Default);
2363 }
2364 
2365 
2366 
2367 inline const char*
2368 GetPot::get_value_no_default(const char* VarName, const char* Default) const
2369 {
2370  return _internal_managed_copy(get_value_no_default(VarName, std::string(Default)));
2371 }
2372 
2373 
2374 
2375 inline const char*
2376 GetPot::get_value_no_default(const std::string& VarName, const char* Default) const
2377 {
2378  return get_value_no_default(VarName.c_str(),Default);
2379 }
2380 
2381 
2382 
2383 template <typename T>
2384 inline T
2385 GetPot::get_value_no_default(const char* VarName, const T& Default, unsigned int Idx) const
2386 {
2387  // (*) recording of requested variables happens in '_request_variable()'
2388  const variable* sv = _request_variable(VarName);
2389  if (sv == 0)
2390  {
2391  getpot_cerr << "ERROR: cannot find variable "<<VarName<<std::endl;
2392  getpot_error();
2393  }
2394 
2395  const std::string* element = sv->get_element(Idx);
2396  if (element == 0)
2397  {
2398  getpot_cerr << "ERROR: cannot find index "<<Idx<<" of variable "<<VarName<<std::endl;
2399  getpot_error();
2400  }
2401  return _convert_to_type_no_default(VarName, *element, Default);
2402 }
2403 
2404 
2405 
2406 template <typename T>
2407 inline T
2408 GetPot::get_value_no_default(const std::string& VarName, const T& Default, unsigned int Idx) const
2409 {
2410  return get_value_no_default(VarName.c_str(), Default, Idx);
2411 }
2412 
2413 
2414 
2415 inline const char*
2416 GetPot::get_value_no_default(const char* VarName, const char* Default, unsigned int Idx) const
2417 {
2418  return _internal_managed_copy(get_value_no_default(VarName, std::string(Default), Idx));
2419 }
2420 
2421 
2422 
2423 inline const char*
2424 GetPot::get_value_no_default(const std::string& VarName, const char* Default, unsigned int Idx) const
2425 {
2426  return get_value_no_default(VarName.c_str(), Default, Idx);
2427 }
2428 
2429 
2430 
2431 inline void
2432 GetPot::_record_argument_request(const std::string& Name) const
2433 {
2434  if (!request_recording_f)
2435  return;
2436 
2437  // Get a lock before touching anything mutable
2438  SCOPED_MUTEX;
2439 
2440  // (*) record requested variable for later ufo detection
2441  _requested_arguments.insert(Name);
2442 
2443  // (*) record considered section for ufo detection
2444  STRING_VECTOR STree = _get_section_tree(Name);
2445  victorate(std::string, STree, it)
2446  if (_requested_sections.find(*it) == _requested_sections.end())
2447  if (section.length() != 0)
2448  _requested_sections.insert(*it);
2449 }
2450 
2451 
2452 
2453 inline void
2454 GetPot::_record_variable_request(const std::string& Name) const
2455 {
2456  if (!request_recording_f)
2457  return;
2458 
2459  // Get a lock before touching anything mutable
2460  SCOPED_MUTEX;
2461 
2462  // (*) record requested variable for later ufo detection
2463  _requested_variables.insert(Name);
2464 
2465  // (*) record considered section for ufo detection
2466  STRING_VECTOR STree = _get_section_tree(Name);
2467  victorate(std::string, STree, it)
2468  if (_requested_sections.find(*it) == _requested_sections.end())
2469  if (section.length() != 0)
2470  _requested_sections.insert(*it);
2471 }
2472 
2473 
2474 
2475 // (*) following functions are to be used from 'outside', after getpot has parsed its
2476 // arguments => append an argument in the argument vector that reflects the addition
2477 inline void
2478 GetPot::_set_variable(const std::string& VarName,
2479  const std::string& Value, const bool Requested /* = true */)
2480 {
2481  const GetPot::variable* Var = Requested ?
2482  _request_variable(VarName.c_str()) :
2483  _find_variable(VarName.c_str());
2484  if (Var == 0)
2485  variables.push_back(variable(VarName.c_str(), Value.c_str(), _field_separator.c_str()));
2486  else
2487  {
2488  overridden_vars.insert(VarName.c_str());
2489  (const_cast<GetPot::variable*>(Var))->take(Value.c_str(), _field_separator.c_str());
2490  }
2491 }
2492 
2493 
2494 
2495 template <typename T>
2496 inline void
2497 GetPot::set(const char* VarName, const T& Value, const bool Requested /* = true */)
2498 {
2499  std::ostringstream string_value;
2500  string_value << Value;
2501  _set_variable(VarName, string_value.str().c_str(), Requested);
2502 }
2503 
2504 
2505 
2506 template <typename T>
2507 inline void
2508 GetPot::set(const std::string& VarName, const T& Value, const bool Requested /* = true */)
2509 {
2510  set(VarName.c_str(), Value, Requested);
2511 }
2512 
2513 
2514 
2515 inline void
2516 GetPot::set(const char* VarName, const char* Value, const bool Requested /* = true */)
2517 {
2518  _set_variable(VarName, Value, Requested);
2519 }
2520 
2521 
2522 
2523 inline void
2524 GetPot::set(const std::string& VarName, const char* Value, const bool Requested /* = true */)
2525 {
2526  set(VarName.c_str(), Value, Requested);
2527 }
2528 
2529 
2530 
2531 inline unsigned
2532 GetPot::vector_variable_size(const char* VarName) const
2533 {
2534  const variable* sv = _request_variable(VarName);
2535  if (sv == 0)
2536  return 0;
2537  return (unsigned)(sv->value.size());
2538 }
2539 
2540 
2541 
2542 inline unsigned
2543 GetPot::vector_variable_size(const std::string& VarName) const
2544 {
2545  return vector_variable_size(VarName.c_str());
2546 }
2547 
2548 
2549 
2550 inline STRING_VECTOR
2551 GetPot::get_variable_names() const
2552 {
2553  STRING_VECTOR result;
2554  std::vector<GetPot::variable>::const_iterator it = variables.begin();
2555  for (; it != variables.end(); ++it)
2556  {
2557  const std::string Tmp = _get_remaining_string((*it).name, prefix);
2558  if (Tmp != "")
2559  result.push_back(Tmp);
2560  }
2561  return result;
2562 }
2563 
2564 
2565 
2566 inline STRING_VECTOR
2567 GetPot::get_section_names() const
2568 {
2569  return section_list;
2570 }
2571 
2572 
2573 
2574 inline std::set<std::string>
2575 GetPot::get_overridden_variables() const
2576 {
2577  return overridden_vars;
2578 }
2579 
2580 
2581 
2582 inline const GetPot::variable*
2583 GetPot::_find_variable(const char* VarName) const
2584 {
2585  const std::string Name = prefix + VarName;
2586 
2587  std::vector<variable>::const_iterator it = variables.begin();
2588  for (; it != variables.end(); ++it)
2589  {
2590  if ((*it).name == Name)
2591  return &(*it);
2592  }
2593  return 0;
2594 }
2595 
2596 
2597 
2598 inline const GetPot::variable*
2599 GetPot::_request_variable(const char* VarName) const
2600 {
2601  // (*) record requested variable for later ufo detection
2602  this->_record_variable_request(VarName);
2603 
2604  return this->_find_variable(VarName);
2605 }
2606 
2607 
2608 
2610 // (*) ouput (basically for debugging reasons
2611 //.............................................................................
2612 //
2613 inline int
2614 GetPot::print(std::ostream &out_stream) const
2615 {
2616  out_stream << "argc = " << argv.size() << std::endl;
2617  STRING_VECTOR::const_iterator it = argv.begin();
2618  for (; it != argv.end(); ++it)
2619  out_stream << *it << std::endl;
2620  out_stream << std::endl;
2621  return 1;
2622 }
2623 
2624 
2625 
2626 // PECOS/HPCT Addition - add option to prepend output with a delimiter
2627 // while also disabling argc print and skipping first print (the name
2628 // of the input file)
2629 //
2630 // PECOS Development Team: (ks. 4/16/09)
2631 inline int
2632 GetPot::print(const char* custom_prefix, std::ostream &out_stream, unsigned int skip_count) const
2633 {
2634  STRING_VECTOR::const_iterator it = argv.begin();
2635  it += skip_count;
2636  for (; it != argv.end(); ++it)
2637  {
2638  out_stream << custom_prefix;
2639  out_stream << *it << std::endl;
2640  }
2641  out_stream << std::endl;
2642  return 1;
2643 }
2644 
2645 
2646 
2647 // (*) dollar bracket expressions (DBEs) ------------------------------------
2648 //
2649 // 1) Entry Function: _DBE_expand_string()
2650 // Takes a string such as
2651 //
2652 // "${+ ${x} ${y}} Subject-${& ${section} ${subsection}}: ${title}"
2653 //
2654 // calls _DBE_expand() for each of the expressions
2655 //
2656 // ${+ ${x} ${y}}
2657 // ${& ${section} ${subsection}}
2658 // ${Title}
2659 //
2660 // and returns the string
2661 //
2662 // "4711 Subject-1.01: Mit den Clowns kamen die Schwaene"
2663 //
2664 // assuming that
2665 // x = "4699"
2666 // y = "12"
2667 // section = "1."
2668 // subsection = "01"
2669 // title = "Mit den Clowns kamen die Schwaene"
2670 //
2671 // 2) _DBE_expand():
2672 //
2673 // checks for the command, i.e. the 'sign' that follows '${'
2674 // divides the argument list into sub-expressions using
2675 // _DBE_get_expr_list()
2676 //
2677 // ${+ ${x} ${y}} -> "${x}" "${y}"
2678 // ${& ${section} ${subsection}} -> "${section}" "${subsection}"
2679 // ${Title} -> Nothing, variable expansion
2680 //
2681 // 3) _DBE_expression_list():
2682 //
2683 // builds a vector of unbracketed whitespace separated strings, i.e.
2684 //
2685 // " ${Number}.a ${: Das Marmorbild} AB-${& Author= ${Eichendorf}-1870}"
2686 //
2687 // is split into a vector
2688 //
2689 // [0] ${Number}.a
2690 // [1] ${: Das Marmorbild}
2691 // [2] AB-${& Author= ${Eichendorf}}-1870
2692 //
2693 // Each sub-expression is expanded using expand().
2694 //---------------------------------------------------------------------------
2695 inline std::string
2696 GetPot::_DBE_expand_string(const std::string& str)
2697 {
2698  // Parses for closing operators '${ }' and expands them letting
2699  // white spaces and other letters as they are.
2700  std::string new_string = "";
2701  unsigned open_brackets = 0;
2702  unsigned first = 0;
2703  for (unsigned i = 0; i<str.size(); i++)
2704  {
2705  if (i < str.size() - 2 && str.substr(i, 2) == "${")
2706  {
2707  if (open_brackets == 0)
2708  first = i+2;
2709  open_brackets++;
2710  }
2711  else if (str[i] == '}' && open_brackets > 0)
2712  {
2713  open_brackets -= 1;
2714  if (open_brackets == 0)
2715  {
2716  const std::string Replacement = _DBE_expand(str.substr(first, i - first));
2717  new_string += Replacement;
2718  }
2719  }
2720  else if (open_brackets == 0)
2721  new_string += str[i];
2722  }
2723  return new_string;
2724 }
2725 
2726 
2727 
2728 inline STRING_VECTOR
2729 GetPot::_DBE_get_expr_list(const std::string& str_, const unsigned ExpectedNumber)
2730 {
2731  // ensures that the resulting vector has the expected number
2732  // of arguments, but they may contain an error message
2733  std::string str = str_;
2734  // Separates expressions by non-bracketed whitespaces, expands them
2735  // and puts them into a list.
2736 
2737  unsigned i=0;
2738  // (1) eat initial whitespaces
2739  for (; i < str.size(); i++)
2740  if (!isspace(str[i]))
2741  break;
2742 
2743  STRING_VECTOR expr_list;
2744  unsigned open_brackets = 0;
2745  std::vector<unsigned> start_idx;
2746  unsigned start_new_string = i;
2747  unsigned l = (unsigned)(str.size());
2748 
2749  // (2) search for ${ } expressions ...
2750  while (i < l)
2751  {
2752  const char letter = str[i];
2753  // whitespace -> end of expression
2754  if (isspace(letter) && open_brackets == 0)
2755  {
2756  expr_list.push_back(str.substr(start_new_string, i - start_new_string));
2757  bool no_breakout_f = true;
2758  for (i++; i < l ; i++)
2759  {
2760  if (!isspace(str[i]))
2761  {
2762  no_breakout_f = false;
2763  start_new_string = i;
2764  break;
2765  }
2766  }
2767 
2768  if (no_breakout_f)
2769  {
2770  // end of expression list
2771  if (expr_list.size() < ExpectedNumber)
2772  {
2773  const std::string pre_tmp("<< ${ }: missing arguments>>");
2774  STRING_VECTOR tmp(ExpectedNumber - expr_list.size(), pre_tmp);
2775  expr_list.insert(expr_list.end(), tmp.begin(), tmp.end());
2776  }
2777  return expr_list;
2778  }
2779  }
2780 
2781  // dollar-bracket expression
2782  if (str.length() >= i+2 && str.substr(i, 2) == "${")
2783  {
2784  open_brackets++;
2785  start_idx.push_back(i+2);
2786  }
2787 
2788  else if (letter == '}' && open_brackets > 0)
2789  {
2790  int start = start_idx[start_idx.size()-1];
2791  start_idx.pop_back();
2792  const std::string Replacement = _DBE_expand(str.substr(start, i-start));
2793  if (start - 3 < (int)0)
2794  str = Replacement + str.substr(i+1);
2795  else
2796  str = str.substr(0, start-2) + Replacement + str.substr(i+1);
2797  l = (int)(str.size());
2798  i = start + (int)(Replacement.size()) - 3;
2799  open_brackets--;
2800  }
2801  i++;
2802  }
2803 
2804  // end of expression list
2805  expr_list.push_back(str.substr(start_new_string, i-start_new_string));
2806 
2807  if (expr_list.size() < ExpectedNumber)
2808  {
2809  const std::string pre_tmp("<< ${ }: missing arguments>>");
2810  STRING_VECTOR tmp(ExpectedNumber - expr_list.size(), pre_tmp);
2811  expr_list.insert(expr_list.end(), tmp.begin(), tmp.end());
2812  }
2813 
2814  return expr_list;
2815 }
2816 
2817 
2818 
2819 inline const GetPot::variable*
2820 GetPot::_DBE_get_variable(const std::string& VarName)
2821 {
2822  static GetPot::variable ev;
2823  std::string secure_Prefix = prefix;
2824 
2825  prefix = section;
2826  // (1) first search in currently active section
2827  const GetPot::variable* var = _request_variable(VarName.c_str());
2828  if (var != 0)
2829  {
2830  prefix = secure_Prefix;
2831  return var;
2832  }
2833 
2834  // (2) search in root name space
2835  prefix = "";
2836  var = _request_variable(VarName.c_str());
2837  if (var != 0)
2838  {
2839  prefix = secure_Prefix;
2840  return var;
2841  }
2842 
2843  prefix = secure_Prefix;
2844 
2845  // error occured => variable name == ""
2846  ev.original = "<<${ } variable '";
2847  ev.original += VarName + "' undefined>>";
2848  return &ev;
2849 }
2850 
2851 
2852 
2853 inline std::string
2854 GetPot::_DBE_expand(const std::string& expr)
2855 {
2856  // ${: } pure text
2857  if (expr[0] == ':')
2858  return expr.substr(1);
2859 
2860  // ${& expr expr ... } text concatination
2861  else if (expr[0] == '&')
2862  {
2863  const STRING_VECTOR A = _DBE_get_expr_list(expr.substr(1), 1);
2864 
2865  STRING_VECTOR::const_iterator it = A.begin();
2866  std::string result = *it++;
2867  for (; it != A.end(); ++it) result += *it;
2868 
2869  return result;
2870  }
2871 
2872  // ${<-> expr expr expr} text replacement
2873  else if (expr.length() >= 3 && expr.substr(0, 3) == "<->")
2874  {
2875  STRING_VECTOR A = _DBE_get_expr_list(expr.substr(3), 3);
2876  size_t tmp = 0;
2877  const size_t L = A[1].length();
2878 
2879  while ((tmp = A[0].find(A[1])) != std::string::npos)
2880  A[0].replace(tmp, L, A[2]);
2881 
2882  return A[0];
2883  }
2884 
2885  // ${=func [expr...] } function evaluation
2886  else if (expr.length() >= 2 &&
2887  expr.substr(0, 1) == "=" &&
2888  expr.substr(0, 2) != "==")
2889  {
2890  size_t funcnamestart = expr.find_first_not_of(" \t", 1);
2891  if (funcnamestart != std::string::npos)
2892  {
2893  size_t funcnameend = expr.find_first_of(" \t",funcnamestart);
2894  std::string funcname = expr.substr(funcnamestart,
2895  funcnameend-funcnamestart);
2896  if (funcname == "log")
2897  {
2898  STRING_VECTOR A =
2899  _DBE_get_expr_list(expr.substr(funcnameend), 1);
2900  double arg = _convert_to_type(A[0], 0.0);
2901  return _convert_from_type(std::log(arg));
2902  }
2903  else if (funcname == "log10")
2904  {
2905  STRING_VECTOR A =
2906  _DBE_get_expr_list(expr.substr(funcnameend), 1);
2907  double arg = _convert_to_type(A[0], 0.0);
2908  return _convert_from_type(std::log10(arg));
2909  }
2910  else if (funcname == "exp")
2911  {
2912  STRING_VECTOR A =
2913  _DBE_get_expr_list(expr.substr(funcnameend), 1);
2914  double arg = _convert_to_type(A[0], 0.0);
2915  return _convert_from_type(std::exp(arg));
2916  }
2917  else if (funcname == "sin")
2918  {
2919  STRING_VECTOR A =
2920  _DBE_get_expr_list(expr.substr(funcnameend), 1);
2921  double arg = _convert_to_type(A[0], 0.0);
2922  return _convert_from_type(std::sin(arg));
2923  }
2924  else if (funcname == "cos")
2925  {
2926  STRING_VECTOR A =
2927  _DBE_get_expr_list(expr.substr(funcnameend), 1);
2928  double arg = _convert_to_type(A[0], 0.0);
2929  return _convert_from_type(std::cos(arg));
2930  }
2931  else if (funcname == "tan")
2932  {
2933  STRING_VECTOR A =
2934  _DBE_get_expr_list(expr.substr(funcnameend), 1);
2935  double arg = _convert_to_type(A[0], 0.0);
2936  return _convert_from_type(std::tan(arg));
2937  }
2938  else if (funcname == "asin")
2939  {
2940  STRING_VECTOR A =
2941  _DBE_get_expr_list(expr.substr(funcnameend), 1);
2942  double arg = _convert_to_type(A[0], 0.0);
2943  return _convert_from_type(std::asin(arg));
2944  }
2945  else if (funcname == "acos")
2946  {
2947  STRING_VECTOR A =
2948  _DBE_get_expr_list(expr.substr(funcnameend), 1);
2949  double arg = _convert_to_type(A[0], 0.0);
2950  return _convert_from_type(std::acos(arg));
2951  }
2952  else if (funcname == "atan")
2953  {
2954  STRING_VECTOR A =
2955  _DBE_get_expr_list(expr.substr(funcnameend), 1);
2956  double arg = _convert_to_type(A[0], 0.0);
2957  return _convert_from_type(std::atan(arg));
2958  }
2959  else if (funcname == "atan2")
2960  {
2961  STRING_VECTOR A =
2962  _DBE_get_expr_list(expr.substr(funcnameend), 2);
2963  double arg1 = _convert_to_type(A[0], 0.0);
2964  double arg2 = _convert_to_type(A[1], 0.0);
2965  return _convert_from_type(std::atan2(arg1, arg2));
2966  }
2967  else if (funcname == "sinh")
2968  {
2969  STRING_VECTOR A =
2970  _DBE_get_expr_list(expr.substr(funcnameend), 1);
2971  double arg = _convert_to_type(A[0], 0.0);
2972  return _convert_from_type(std::sinh(arg));
2973  }
2974  else if (funcname == "cosh")
2975  {
2976  STRING_VECTOR A =
2977  _DBE_get_expr_list(expr.substr(funcnameend), 1);
2978  double arg = _convert_to_type(A[0], 0.0);
2979  return _convert_from_type(std::cosh(arg));
2980  }
2981  else if (funcname == "tanh")
2982  {
2983  STRING_VECTOR A =
2984  _DBE_get_expr_list(expr.substr(funcnameend), 1);
2985  double arg = _convert_to_type(A[0], 0.0);
2986  return _convert_from_type(std::tanh(arg));
2987  }
2988 #ifdef HAVE_INVERSE_HYPERBOLIC_SINE
2989  else if (funcname == "asinh")
2990  {
2991  STRING_VECTOR A =
2992  _DBE_get_expr_list(expr.substr(funcnameend), 1);
2993  double arg = _convert_to_type(A[0], 0.0);
2994  return _convert_from_type(std::asinh(arg));
2995  }
2996 #endif
2997 #ifdef HAVE_INVERSE_HYPERBOLIC_COSINE
2998  else if (funcname == "acosh")
2999  {
3000  STRING_VECTOR A =
3001  _DBE_get_expr_list(expr.substr(funcnameend), 1);
3002  double arg = _convert_to_type(A[0], 0.0);
3003  return _convert_from_type(std::acosh(arg));
3004  }
3005 #endif
3006 #ifdef HAVE_INVERSE_HYPERBOLIC_TANGENT
3007  else if (funcname == "atanh")
3008  {
3009  STRING_VECTOR A =
3010  _DBE_get_expr_list(expr.substr(funcnameend), 1);
3011  double arg = _convert_to_type(A[0], 0.0);
3012  return _convert_from_type(std::atanh(arg));
3013  }
3014 #endif
3015  else if (funcname == "sqrt")
3016  {
3017  STRING_VECTOR A =
3018  _DBE_get_expr_list(expr.substr(funcnameend), 1);
3019  double arg = _convert_to_type(A[0], 0.0);
3020  return _convert_from_type(std::sqrt(arg));
3021  }
3022  else if (funcname == "abs")
3023  {
3024  STRING_VECTOR A =
3025  _DBE_get_expr_list(expr.substr(funcnameend), 1);
3026  double arg = _convert_to_type(A[0], 0.0);
3027  return _convert_from_type(std::abs(arg));
3028  }
3029  else if (funcname == "max")
3030  {
3031  STRING_VECTOR A =
3032  _DBE_get_expr_list(expr.substr(funcnameend), 1);
3033  STRING_VECTOR::const_iterator it = A.begin();
3034  double result = _convert_to_type(*it++, 0.0);
3035  for (; it != A.end(); ++it)
3036  result = std::max(result, _convert_to_type(*it, 0.0));
3037  return _convert_from_type(result);
3038  }
3039  else if (funcname == "min")
3040  {
3041  STRING_VECTOR A =
3042  _DBE_get_expr_list(expr.substr(funcnameend), 1);
3043  STRING_VECTOR::const_iterator it = A.begin();
3044  double result = _convert_to_type(*it++, 0.0);
3045  for (; it != A.end(); ++it)
3046  result = std::min(result, _convert_to_type(*it, 0.0));
3047  return _convert_from_type(result);
3048  }
3049  else if (funcname == "ceil")
3050  {
3051  STRING_VECTOR A =
3052  _DBE_get_expr_list(expr.substr(funcnameend), 1);
3053  double arg = _convert_to_type(A[0], 0.0);
3054  return _convert_from_type(std::ceil(arg));
3055  }
3056  else if (funcname == "floor")
3057  {
3058  STRING_VECTOR A =
3059  _DBE_get_expr_list(expr.substr(funcnameend), 1);
3060  double arg = _convert_to_type(A[0], 0.0);
3061  return _convert_from_type(std::floor(arg));
3062  }
3063  else if (funcname == "fmod")
3064  {
3065  STRING_VECTOR A =
3066  _DBE_get_expr_list(expr.substr(funcnameend), 2);
3067  double arg1 = _convert_to_type(A[0], 0.0);
3068  double arg2 = _convert_to_type(A[1], 0.0);
3069  return _convert_from_type(std::fmod(arg1, arg2));
3070  }
3071  else if (funcname == "srand")
3072  {
3073  STRING_VECTOR A =
3074  _DBE_get_expr_list(expr.substr(funcnameend), 1);
3075  unsigned int arg = _convert_to_type(A[0], 0u);
3076  std::srand(arg);
3077  return A[0];
3078  }
3079  // ${=rand range} with default range==RAND_MAX
3080  else if (funcname == "rand")
3081  {
3082  if (funcnameend >= expr.length() ||
3083  expr.find_first_not_of(" \t", funcnameend) == std::string::npos)
3084  return _convert_from_type(std::rand());
3085 
3086  STRING_VECTOR A =
3087  _DBE_get_expr_list(expr.substr(funcnameend), 1);
3088  unsigned int range = _convert_to_type(A[0],0u);
3089  if (!range)
3090  return _convert_from_type(0);
3091  const unsigned int x = (RAND_MAX + 1u) / range;
3092  const unsigned int y = x * range;
3093  unsigned int returnval;
3094  do
3095  {
3096  returnval = rand();
3097  } while (returnval >= y);
3098  return _convert_from_type(returnval / x);
3099  }
3100  else if (funcname == "time")
3101  return _convert_from_type(std::time(NULL));
3102  else
3103  {
3104  getpot_cerr << "ERROR: unrecognized function "
3105  << funcname << std::endl;
3106  getpot_error();
3107  }
3108  }
3109  }
3110 
3111  // ${+ ...}, ${- ...}, ${* ...}, ${/ ...} expressions
3112  else if (expr[0] == '+')
3113  {
3114  STRING_VECTOR A = _DBE_get_expr_list(expr.substr(1), 2);
3115  STRING_VECTOR::const_iterator it = A.begin();
3116  double result = _convert_to_type(*it++, 0.0);
3117  for (; it != A.end(); ++it)
3118  result += _convert_to_type(*it, 0.0);
3119 
3120  return _convert_from_type(result);
3121  }
3122  else if (expr[0] == '-')
3123  {
3124  STRING_VECTOR A = _DBE_get_expr_list(expr.substr(1), 2);
3125  STRING_VECTOR::const_iterator it = A.begin();
3126  double result = _convert_to_type(*it++, 0.0);
3127  for (; it != A.end(); ++it)
3128  result -= _convert_to_type(*it, 0.0);
3129 
3130  return _convert_from_type(result);
3131  }
3132  else if (expr[0] == '*')
3133  {
3134  STRING_VECTOR A = _DBE_get_expr_list(expr.substr(1), 2);
3135  STRING_VECTOR::const_iterator it = A.begin();
3136  double result = _convert_to_type(*it++, 0.0);
3137  for (; it != A.end(); ++it)
3138  result *= _convert_to_type(*it, 0.0);
3139 
3140  return _convert_from_type(result);
3141  }
3142  else if (expr[0] == '/')
3143  {
3144  STRING_VECTOR A = _DBE_get_expr_list(expr.substr(1), 2);
3145  STRING_VECTOR::const_iterator it = A.begin();
3146  double result = _convert_to_type(*it++, 0.0);
3147  if (result == 0)
3148  return "0.0";
3149 
3150  for (; it != A.end(); ++it)
3151  {
3152  const double Q = _convert_to_type(*it, 0.0);
3153  result /= Q;
3154  }
3155  return _convert_from_type(result);
3156  }
3157 
3158  // ${^ ... } power expressions
3159  else if (expr[0] == '^')
3160  {
3161  STRING_VECTOR A = _DBE_get_expr_list(expr.substr(1), 2);
3162  STRING_VECTOR::const_iterator it = A.begin();
3163  double result = _convert_to_type(*it++, 0.0);
3164  for (; it != A.end(); ++it)
3165  result = pow(result, _convert_to_type(*it, 0.0));
3166  return _convert_from_type(result);
3167  }
3168 
3169  // ${== } ${<= } ${>= } comparisons (return the number of the first 'match'
3170  else if (expr.length() >= 2 &&
3171  (expr.substr(0,2) == "==" || expr.substr(0,2) == ">=" ||
3172  expr.substr(0,2) == "<=" || expr[0] == '>' || expr[0] == '<'))
3173  {
3174  // differentiate between two and one sign operators
3175  unsigned op = 0;
3176  enum { EQ, GEQ, LEQ, GT, LT };
3177 
3178  if (expr.substr(0, 2) == "==")
3179  op = EQ;
3180 
3181  else if (expr.substr(0, 2) == ">=")
3182  op = GEQ;
3183 
3184  else if (expr.substr(0, 2) == "<=")
3185  op = LEQ;
3186 
3187  else if (expr[0] == '>')
3188  op = GT;
3189 
3190  else
3191  op = LT;
3192 
3193  STRING_VECTOR a;
3194  if (op == GT || op == LT)
3195  a = _DBE_get_expr_list(expr.substr(1), 2);
3196 
3197  else
3198  a = _DBE_get_expr_list(expr.substr(2), 2);
3199 
3200  std::string x_orig = a[0];
3201  double x = _convert_to_type(x_orig, 1e37);
3202  unsigned i = 1;
3203 
3204  STRING_VECTOR::const_iterator y_orig = a.begin();
3205  for (y_orig++; y_orig != a.end(); ++y_orig)
3206  {
3207  double y = _convert_to_type(*y_orig, 1e37);
3208 
3209  // set the strings as reference if one wasn't a number
3210  if (x == 1e37 || y == 1e37)
3211  {
3212  // it's a string comparison
3213  if ((op == EQ && x_orig == *y_orig) || (op == GEQ && x_orig >= *y_orig) ||
3214  (op == LEQ && x_orig <= *y_orig) || (op == GT && x_orig > *y_orig) ||
3215  (op == LT && x_orig < *y_orig))
3216  return _convert_from_type(i);
3217  }
3218  else
3219  {
3220  // it's a number comparison
3221  if ((op == EQ && x == y) || (op == GEQ && x >= y) ||
3222  (op == LEQ && x <= y) || (op == GT && x > y) ||
3223  (op == LT && x < y))
3224  return _convert_from_type(i);
3225  }
3226  i++;
3227  }
3228 
3229  // nothing fulfills the condition => return 0
3230  return "0";
3231  }
3232 
3233  // ${?? expr expr} select
3234  else if (expr.length() >= 2 && expr.substr(0, 2) == "??")
3235  {
3236  STRING_VECTOR a = _DBE_get_expr_list(expr.substr(2), 2);
3237  double x = _convert_to_type(a[0], 1e37);
3238 
3239  // last element is always the default argument
3240  if (x == 1e37 || x < 0 || x >= a.size() - 1)
3241  return a[a.size()-1];
3242 
3243  // round x to closest integer
3244  return a[int(x+0.5)];
3245  }
3246 
3247  // ${? expr expr expr} if then else conditions
3248  else if (expr[0] == '?')
3249  {
3250  STRING_VECTOR a = _DBE_get_expr_list(expr.substr(1), 2);
3251 
3252  if (_convert_to_type(a[0], 0.0) == 1.0)
3253  return a[1];
3254 
3255  else if (a.size() > 2)
3256  return a[2];
3257  }
3258  // ${! expr} maxro expansion
3259  else if (expr[0] == '!')
3260  {
3261  const GetPot::variable* Var = _DBE_get_variable(expr.substr(1));
3262  // error
3263  if (Var->name == "")
3264  return std::string(Var->original);
3265 
3266  const STRING_VECTOR A = _DBE_get_expr_list(Var->original, 2);
3267  return A[0];
3268  }
3269  // ${@: } - string subscription
3270  else if (expr.length() >= 2 && expr.substr(0,2) == "@:")
3271  {
3272  const STRING_VECTOR A = _DBE_get_expr_list(expr.substr(2), 2);
3273  double x = _convert_to_type(A[1], 1e37);
3274 
3275  // last element is always the default argument
3276  if (x == 1e37 || x < 0 || x >= A[0].size() - 1)
3277  return "<<1st index out of range>>";
3278 
3279  if (A.size() > 2)
3280  {
3281  double y = _convert_to_type(A[2], 1e37);
3282  if (y != 1e37 && y > 0 && y <= A[0].size() - 1 && y > x)
3283  return A[0].substr(int(x+0.5), int(y+1.5) - int(x+0.5));
3284 
3285  else if (y == -1)
3286  return A[0].substr(int(x+0.5));
3287 
3288  return "<<2nd index out of range>>";
3289  }
3290  else
3291  {
3292  char* tmp = new char[2];
3293  tmp[0] = A[0][int(x+0.5)]; tmp[1] = '\0';
3294  std::string result(tmp);
3295  delete [] tmp;
3296  return result;
3297  }
3298  }
3299  // ${@ } - vector subscription
3300  else if (expr[0] == '@')
3301  {
3302  STRING_VECTOR A = _DBE_get_expr_list(expr.substr(1), 2);
3303  const GetPot::variable* Var = _DBE_get_variable(A[0]);
3304  // error
3305  if (Var->name == "")
3306  {
3307  // make a copy of the string if an error occured
3308  // (since the error variable is a static variable inside get_variable())
3309  return std::string(Var->original);
3310  }
3311 
3312  double x = _convert_to_type(A[1], 1e37);
3313 
3314  // last element is always the default argument
3315  if (x == 1e37 || x < 0 || x >= Var->value.size())
3316  return "<<1st index out of range>>";
3317 
3318  if (A.size() > 2)
3319  {
3320  double y = _convert_to_type(A[2], 1e37);
3321  int begin = int(x+0.5);
3322  int end = 0;
3323  if (y != 1e37 && y > 0 && y <= Var->value.size() && y > x)
3324  end = int(y+1.5);
3325  else if (y == -1)
3326  end = int(Var->value.size());
3327  else
3328  return "<<2nd index out of range>>";
3329 
3330  std::string result = *(Var->get_element(begin));
3331  for (int i = begin+1; i < end; i++)
3332  result += std::string(" ") + *(Var->get_element(i));
3333  return result;
3334  }
3335  else
3336  return *(Var->get_element(int(x+0.5)));
3337  }
3338 
3339  const STRING_VECTOR A = _DBE_get_expr_list(expr, 1);
3340  const GetPot::variable* B = _DBE_get_variable(A[0]);
3341 
3342  // make a copy of the string if an error occured
3343  // (since the error variable is a static variable inside get_variable())
3344  if (B->name == "")
3345  return std::string(B->original);
3346 
3347  // (psuggs@pobox.com mentioned to me the warning MSVC++6.0 produces
3348  // with: else return B->original (thanks))
3349  return B->original;
3350 }
3351 
3352 
3353 
3355 // (*) unidentified flying objects
3356 //.............................................................................
3357 //
3358 inline bool
3359 GetPot::_search_string_vector(const STRING_VECTOR& VecStr, const std::string& Str) const
3360 {
3361  victorate(std::string, VecStr, itk)
3362  {
3363  if (*itk == Str)
3364  return true;
3365  }
3366  return false;
3367 }
3368 
3369 
3370 
3371 inline STRING_VECTOR
3372 GetPot::unidentified_arguments(unsigned Number,
3373  const char* KnownArgument1, ...) const
3374 {
3375  std::set<std::string> known_arguments;
3376 
3377  // (1) create a vector of known arguments
3378  if (Number == 0)
3379  return STRING_VECTOR();
3380 
3381  va_list ap;
3382  va_start(ap, KnownArgument1);
3383  known_arguments.insert(std::string(KnownArgument1));
3384  for (unsigned i=1; i<Number; i++)
3385  known_arguments.insert(std::string(va_arg(ap, char *)));
3386  va_end(ap);
3387 
3388  return unidentified_arguments(known_arguments);
3389 }
3390 
3391 
3392 
3393 inline STRING_VECTOR
3394 GetPot::unidentified_arguments() const
3395 {
3396  return unidentified_arguments(_requested_arguments);
3397 }
3398 
3399 
3400 
3401 inline STRING_VECTOR
3402 GetPot::unidentified_arguments(const std::vector<std::string>& Knowns) const
3403 {
3404  // We use set for efficiency, but want to support vector inputs for
3405  // backwards compatibility.
3406  return unidentified_arguments(std::set<std::string> (Knowns.begin(), Knowns.end()));
3407 }
3408 
3409 
3410 
3411 inline STRING_VECTOR
3412 GetPot::unidentified_arguments(const std::set<std::string>& Knowns) const
3413 {
3414  STRING_VECTOR ufos;
3415  STRING_VECTOR::const_iterator it = argv.begin();
3416  ++it; // forget about argv[0] (application or filename)
3417  for (; it != argv.end(); ++it)
3418  {
3419  // -- argument belongs to prefixed section ?
3420  const std::string arg = _get_remaining_string(*it, prefix);
3421  if (arg == "")
3422  continue;
3423 
3424  // -- check if in list
3425  if (Knowns.find(arg) == Knowns.end())
3426  ufos.push_back(*it);
3427  }
3428  return ufos;
3429 }
3430 
3431 
3432 
3433 inline STRING_VECTOR
3434 GetPot::unidentified_options(unsigned Number,
3435  const char* KnownOption1, ...) const
3436 {
3437  std::set<std::string> known_options;
3438 
3439  // (1) create a vector of known arguments
3440  if (Number == 0)
3441  return STRING_VECTOR();
3442 
3443  va_list ap;
3444  va_start(ap, KnownOption1);
3445  known_options.insert(std::string(KnownOption1));
3446  for (unsigned i=1; i<Number; i++)
3447  known_options.insert(std::string(va_arg(ap, char *)));
3448  va_end(ap);
3449 
3450  return unidentified_options(known_options);
3451 }
3452 
3453 
3454 
3455 inline STRING_VECTOR
3456 GetPot::unidentified_options() const
3457 {
3458  // -- every option is an argument.
3459  // -- the set of requested arguments contains the set of requested options.
3460  // -- IF the set of requested arguments contains unrequested options,
3461  // THEN they were requested as 'follow' and 'next' arguments and not as real options.
3462  //
3463  // => it is not necessary to separate requested options from the list
3464  return unidentified_arguments(_requested_arguments);
3465 }
3466 
3467 
3468 
3469 inline STRING_VECTOR
3470 GetPot::unidentified_options(const std::vector<std::string>& Knowns) const
3471 {
3472  // We use set for efficiency, but want to support vector inputs for
3473  // backwards compatibility.
3474  return unidentified_options(std::set<std::string> (Knowns.begin(), Knowns.end()));
3475 }
3476 
3477 
3478 
3479 inline STRING_VECTOR
3480 GetPot::unidentified_options(const std::set<std::string>& Knowns) const
3481 {
3482  STRING_VECTOR ufos;
3483  STRING_VECTOR::const_iterator it = argv.begin();
3484  ++it; // forget about argv[0] (application or filename)
3485  for (; it != argv.end(); ++it)
3486  {
3487  // -- argument belongs to prefixed section ?
3488  const std::string arg = _get_remaining_string(*it, prefix);
3489  if (arg == "")
3490  continue;
3491 
3492  // is argument really an option (starting with '-') ?
3493  if (arg.length() < 1 || arg[0] != '-')
3494  continue;
3495 
3496  if (Knowns.find(arg) == Knowns.end())
3497  ufos.push_back(*it);
3498  }
3499 
3500  return ufos;
3501 }
3502 
3503 
3504 
3505 // Two modes:
3506 // ArgumentNumber >= 0 check specific argument
3507 // ArgumentNumber == -1 check all options starting with one '-'
3508 // for flags
3509 inline std::string
3510 GetPot::unidentified_flags(const char* KnownFlagList, int ArgumentNumber=-1) const
3511 {
3512  std::string ufos;
3513  // STRING_VECTOR known_arguments;
3514  std::string KFL(KnownFlagList);
3515 
3516  // (2) iteration over '-' arguments (options)
3517  if (ArgumentNumber == -1)
3518  {
3519  STRING_VECTOR::const_iterator it = argv.begin();
3520  ++it; // forget about argv[0] (application or filename)
3521  for (; it != argv.end(); ++it)
3522  {
3523  // -- argument belongs to prefixed section ?
3524  const std::string arg = _get_remaining_string(*it, prefix);
3525  if (arg == "") continue;
3526 
3527  // -- does arguments start with '-' (but not '--')
3528  if (arg.length() < 2)
3529  continue;
3530 
3531  else if (arg[0] != '-')
3532  continue;
3533 
3534  else if (arg[1] == '-')
3535  continue;
3536 
3537  // -- check out if flags inside option are contained in KnownFlagList
3538  const char* p=arg.c_str();
3539  p++; // skip starting minus
3540  for (; *p != '\0' ; p++)
3541  if (KFL.find(*p) == std::string::npos) ufos += *p;
3542  }
3543  }
3544  // (1) check specific argument
3545  else
3546  {
3547  // -- only check arguments that start with prefix
3548  int no_matches = 0;
3549  for (unsigned i=1; i<argv.size(); i++)
3550  {
3551  const std::string Remain = _get_remaining_string(argv[i], prefix);
3552  if (Remain != "")
3553  {
3554  no_matches++;
3555  if (no_matches == ArgumentNumber)
3556  {
3557  // -- the right argument number inside the section is found
3558  // => check it for flags
3559  const char* p = Remain.c_str();
3560  p++; // skip starting minus
3561  for (; *p != '\0' ; p++)
3562  if (KFL.find(*p) == std::string::npos) ufos += *p;
3563  return ufos;
3564  }
3565  }
3566  }
3567  }
3568  return ufos;
3569 }
3570 
3571 
3572 
3573 inline STRING_VECTOR
3574 GetPot::unidentified_variables(unsigned Number,
3575  const char* KnownVariable1, ...) const
3576 {
3577  std::set<std::string> known_variables;
3578 
3579  // create vector of known arguments
3580  if (Number == 0)
3581  return STRING_VECTOR();
3582 
3583  va_list ap;
3584  va_start(ap, KnownVariable1);
3585  known_variables.insert(std::string(KnownVariable1));
3586  for (unsigned i=1; i<Number; i++)
3587  known_variables.insert(std::string(va_arg(ap, char *)));
3588  va_end(ap);
3589 
3590  return unidentified_variables(known_variables);
3591 }
3592 
3593 
3594 
3595 inline STRING_VECTOR
3596 GetPot::unidentified_variables(const std::vector<std::string>& Knowns) const
3597 {
3598  // We use set for efficiency, but want to support vector inputs for
3599  // backwards compatibility.
3600  return unidentified_variables(std::set<std::string> (Knowns.begin(), Knowns.end()));
3601 }
3602 
3603 
3604 
3605 inline STRING_VECTOR
3606 GetPot::unidentified_variables(const std::set<std::string>& Knowns) const
3607 {
3608  STRING_VECTOR ufos;
3609 
3610  victorate(GetPot::variable, variables, it)
3611  {
3612  // -- check if variable has specific prefix
3613  const std::string var_name = _get_remaining_string((*it).name, prefix);
3614  if (var_name == "")
3615  continue;
3616 
3617  // -- check if variable is known
3618  if (Knowns.find(var_name) == Knowns.end())
3619  ufos.push_back((*it).name);
3620  }
3621  return ufos;
3622 }
3623 
3624 
3625 
3626 inline STRING_VECTOR
3627 GetPot::unidentified_variables() const
3628 {
3629  return unidentified_variables(_requested_variables);
3630 }
3631 
3632 
3633 
3634 inline STRING_VECTOR
3635 GetPot::unidentified_sections(unsigned Number,
3636  const char* KnownSection1, ...) const
3637 {
3638  std::set<std::string> known_sections;
3639 
3640  // (1) create a vector of known arguments
3641  if (Number == 0)
3642  return STRING_VECTOR();
3643 
3644  va_list ap;
3645  va_start(ap, KnownSection1);
3646  known_sections.insert(std::string(KnownSection1));
3647  for (unsigned i=1; i<Number; i++)
3648  {
3649  std::string tmp = std::string(va_arg(ap, char *));
3650 
3651  if (tmp.length() == 0)
3652  continue;
3653 
3654  if (tmp[tmp.length()-1] != '/')
3655  tmp += '/';
3656 
3657  known_sections.insert(tmp);
3658  }
3659  va_end(ap);
3660 
3661  return unidentified_sections(known_sections);
3662 }
3663 
3664 
3665 
3666 inline STRING_VECTOR
3667 GetPot::unidentified_sections() const
3668 {
3669  return unidentified_sections(_requested_sections);
3670 }
3671 
3672 
3673 
3674 inline STRING_VECTOR
3675 GetPot::unidentified_sections(const std::vector<std::string>& Knowns) const
3676 {
3677  // We use set for efficiency, but want to support vector inputs for
3678  // backwards compatibility.
3679  return unidentified_sections(std::set<std::string> (Knowns.begin(), Knowns.end()));
3680 }
3681 
3682 
3683 
3684 inline STRING_VECTOR
3685 GetPot::unidentified_sections(const std::set<std::string>& Knowns) const
3686 {
3687  STRING_VECTOR ufos;
3688 
3689  victorate(std::string, section_list, it)
3690  {
3691  // -- check if section conform to prefix
3692  const std::string sec_name = _get_remaining_string(*it, prefix);
3693  if (sec_name == "")
3694  continue;
3695 
3696  // -- check if section is known
3697  if (Knowns.find(sec_name) == Knowns.end())
3698  ufos.push_back(*it);
3699  }
3700 
3701  return ufos;
3702 }
3703 
3704 
3705 
3706 inline STRING_VECTOR
3707 GetPot::unidentified_nominuses(unsigned Number, const char* Known, ...) const
3708 {
3709  std::set<std::string> known_nominuses;
3710 
3711  // create vector of known arguments
3712  if (Number == 0)
3713  return STRING_VECTOR();
3714 
3715  va_list ap;
3716  va_start(ap, Known);
3717  known_nominuses.insert(std::string(Known));
3718  for (unsigned i=1; i<Number; i++)
3719  {
3720  std::string tmp = std::string(va_arg(ap, char *));
3721  if (tmp.length() == 0)
3722  continue;
3723  known_nominuses.insert(tmp);
3724  }
3725  va_end(ap);
3726 
3727  return unidentified_nominuses(known_nominuses);
3728 }
3729 
3730 
3731 
3732 inline STRING_VECTOR
3733 GetPot::unidentified_nominuses() const
3734 {
3735  // -- every nominus is an argument.
3736  // -- the set of requested arguments contains the set of requested nominuss.
3737  // -- IF the set of requested arguments contains unrequested nominuss,
3738  // THEN they were requested as 'follow' and 'next' arguments and not as real nominuses.
3739  //
3740  // => it is not necessary to separate requested nominus from the list
3741 
3742  return unidentified_nominuses(_requested_arguments);
3743 }
3744 
3745 
3746 
3747 inline STRING_VECTOR
3748 GetPot::unidentified_nominuses(const std::vector<std::string>& Knowns) const
3749 {
3750  // We use set for efficiency, but want to support vector inputs for
3751  // backwards compatibility.
3752  return unidentified_nominuses(std::set<std::string> (Knowns.begin(), Knowns.end()));
3753 }
3754 
3755 
3756 
3757 inline STRING_VECTOR
3758 GetPot::unidentified_nominuses(const std::set<std::string>& Knowns) const
3759 {
3760  STRING_VECTOR ufos;
3761 
3762  // (2) iterate over all arguments
3763  STRING_VECTOR::const_iterator it = argv.begin();
3764  ++it; // forget about argv[0] (application or filename)
3765  for (; it != argv.end(); ++it)
3766  {
3767  // -- check if nominus part of prefix
3768  const std::string arg = _get_remaining_string(*it, prefix);
3769  if (arg == "")
3770  continue;
3771 
3772  if (arg.length() < 1)
3773  continue;
3774 
3775  // option ? --> not a nomius
3776  if (arg[0] == '-')
3777  continue;
3778 
3779  // section ? --> not a real nominus
3780  if (arg[0] == '[' && arg[arg.length()-1] == ']')
3781  continue;
3782 
3783  // variable definition ? --> not a real nominus
3784  bool continue_f = false;
3785  for (unsigned i=0; i<arg.length() ; i++)
3786  if (arg[i] == '=')
3787  {
3788  continue_f = true;
3789  break;
3790  }
3791 
3792  if (continue_f)
3793  continue;
3794 
3795  // real nominuses are compared with the given list
3796  if (Knowns.find(arg) == Knowns.end())
3797  ufos.push_back(*it);
3798  }
3799  return ufos;
3800 }
3801 
3802 
3804 // (*) Accessors for requested types
3805 //.............................................................................
3806 
3807 inline
3808 std::set<std::string>
3809 GetPot::get_requested_arguments() const
3810 {
3811  return _requested_arguments;
3812 }
3813 
3814 
3815 
3816 inline
3817 std::set<std::string>
3818 GetPot::get_requested_variables() const
3819 {
3820  return _requested_variables;
3821 }
3822 
3823 
3824 
3825 inline
3826 std::set<std::string>
3827 GetPot::get_requested_sections() const
3828 {
3829  return _requested_sections;
3830 }
3831 
3832 
3833 
3835 // (*) variable class
3836 //.............................................................................
3837 //
3838 inline
3839 GetPot::variable::variable()
3840  : name(),
3841  value(),
3842  original()
3843 {}
3844 
3845 
3846 
3847 inline
3848 GetPot::variable::variable(const variable& Other)
3849 {
3850 #ifdef WIN32
3851  operator=(Other);
3852 #else
3853  GetPot::variable::operator=(Other);
3854 #endif
3855 }
3856 
3857 
3858 
3859 inline
3860 GetPot::variable::variable(const char* Name, const char* Value, const char* FieldSeparator)
3861  : name(Name)
3862 {
3863  // make a copy of the 'Value'
3864  take(Value, FieldSeparator);
3865 }
3866 
3867 
3868 
3869 inline const std::string*
3870 GetPot::variable::get_element(unsigned Idx) const
3871 {
3872  if (Idx >= value.size())
3873  return 0;
3874  else
3875  return &(value[Idx]);
3876 }
3877 
3878 
3879 
3880 inline void
3881 GetPot::variable::take(const char* Value, const char* FieldSeparator)
3882 {
3883  original = std::string(Value); // string member var
3884  value.clear(); // vector<string> member var
3885 
3886  /*
3887  // separate string by white space delimiters using 'strtok'
3888  // thread safe usage of strtok (no static members)
3889  char* spt = 0;
3890  // make a copy of the 'Value'
3891  char* copy = new char[strlen(Value)+1];
3892  strcpy(copy, Value);
3893  char* follow_token = strtok_r(copy, FieldSeparator, &spt);
3894  while (follow_token != 0)
3895  {
3896  value.push_back(std::string(follow_token));
3897  follow_token = strtok_r(NULL, FieldSeparator, &spt);
3898  }
3899 
3900  delete [] copy;
3901  */
3902 
3903  // Don't use strtok, instead tokenize the input char "Value" using std::string operations so
3904  // that the results end up in the local "value" member
3905 
3906  // Construct std::string objects from the input char*s. I think the only
3907  // FieldSeparator recognized by GetPot is whitespace?
3908  std::string Value_str = std::string(Value);
3909  std::string delimiters = std::string(FieldSeparator);
3910 
3911  // Skip delimiters at beginning.
3912  std::string::size_type lastPos = Value_str.find_first_not_of(delimiters, 0);
3913 
3914  // Find first "non-delimiter".
3915  std::string::size_type pos = Value_str.find_first_of(delimiters, lastPos);
3916 
3917  // Loop over the input string until all the tokens have been pushed back
3918  // into the local "value" member.
3919  while (std::string::npos != pos || std::string::npos != lastPos)
3920  {
3921  // Found a token, add it to the vector.
3922  value.push_back(Value_str.substr(lastPos, pos - lastPos));
3923 
3924  // Skip delimiters. Note the "not_of"
3925  lastPos = Value_str.find_first_not_of(delimiters, pos);
3926 
3927  // Find next "non-delimiter"
3928  pos = Value_str.find_first_of(delimiters, lastPos);
3929  }
3930 
3931  // We're done, all the tokens should now be in the vector<string>
3932 }
3933 
3934 inline
3935 GetPot::variable::~variable()
3936 {}
3937 
3938 
3939 
3940 inline GetPot::variable&
3941 GetPot::variable::operator=(const GetPot::variable& Other)
3942 {
3943  if (&Other != this)
3944  {
3945  name = Other.name;
3946  value = Other.value;
3947  original = Other.original;
3948  }
3949  return *this;
3950 }
3951 
3952 #ifdef GETPOT_NAMESPACE
3953 }
3954 #endif
3955 
3956 #undef victorate
3957 
3958 #endif // QUESO_GETPOT_H
GetPot::get_overridden_variables
std::set< std::string > get_overridden_variables() const
Definition: getpot.h:2575
GetPot::overridden_vars
std::set< std::string > overridden_vars
Definition: getpot.h:497
GetPot::~GetPot
~GetPot()
Definition: getpot.h:996
GetPot::_get_string
const std::string _get_string(std::istream &istr)
Definition: getpot.h:1401
GetPot::_get_remaining_string
const std::string _get_remaining_string(const std::string &String, const std::string &Start) const
Definition: getpot.h:1714
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const variable * _request_variable(const char *) const
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GetPot::have_variable
bool have_variable(const char *VarName) const
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GetPot::section
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Definition: getpot.h:487
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Definition: getpot.h:923
GetPot::direct_follow
T direct_follow(const T &Default, const char *Option)
Definition: getpot.h:2006
GetPot::next_nominus
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Definition: getpot.h:2167
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GetPot::_requested_arguments
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Definition: getpot.h:557
GetPot::_comment_end
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Definition: getpot.h:514
GetPot::_search_string_vector
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Definition: getpot.h:721
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Section
the intent is to exercise the right to control the distribution of derivative or collective works based on the Library In mere aggregation of another work not based on the Library with the you must alter all the notices that refer to this so that they refer to the ordinary GNU General Public instead of to this it is irreversible for that so the ordinary GNU General Public License applies to all subsequent copies and derivative works made from that copy This option is useful when you wish to copy part of the code of the Library into a program that is not a library You may copy and distribute the which must be distributed under the terms of Sections and above on a medium customarily used for software interchange If distribution of object code is made by offering access to copy from a designated then offering equivalent access to copy the source code from the same place satisfies the requirement to distribute the source even though third parties are not compelled to copy the source along with the object code A program that contains no derivative of any portion of the but is designed to work with the Library by being compiled or linked with is called a work that uses the Library Such a in is not a derivative work of the and therefore falls outside the scope of this License linking a work that uses the Library with the Library creates an executable that is a derivative of the rather than a work that uses the library The executable is therefore covered by this License Section states terms for distribution of such executables When a work that uses the Library uses material from a header file that is part of the the object code for the work may be a derivative work of the Library even though the source code is not Whether this is true is especially significant if the work can be linked without the or if the work is itself a library The threshold for this to be true is not precisely defined by law If such an object file uses only numerical data structure layouts and and small macros and small then the use of the object file is regardless of whether it is legally a derivative if the work is a derivative of the you may distribute the object code for the work under the terms of Section Any executables containing that work also fall under Section
Definition: License.txt:268
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Definition: getpot.h:513
it
that you receive source code or can get it if you want it
Definition: License.txt:41
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