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File indexing completed on 2024-04-06 12:23:22
0001 // -*- C++ -*- 0002 0003 #if !defined(CommandLineParser_H) 0004 #define CommandLineParser_H 0005 0006 #include "PhysicsTools/FWLite/interface/VariableMapCont.h" 0007 0008 namespace optutl { 0009 0010 class CommandLineParser : public VariableMapCont { 0011 public: 0012 ////////////////////// 0013 // Public Constants // 0014 ////////////////////// 0015 0016 static const std::string kSpaces; 0017 0018 enum { kEventContOpt = 1 << 0 }; 0019 0020 ///////////// 0021 // friends // 0022 ///////////// 0023 // tells particle data how to print itself out 0024 friend std::ostream &operator<<(std::ostream &o_stream, const CommandLineParser &rhs); 0025 0026 ////////////////////////// 0027 // _ // 0028 // |\/| |_ // 0029 // | |EMBER | UNCTIONS // 0030 // // 0031 ////////////////////////// 0032 0033 ///////////////////////////////// 0034 // Constructors and Destructor // 0035 ///////////////////////////////// 0036 CommandLineParser(const std::string &usage, unsigned int optionsType = kEventContOpt); 0037 0038 //////////////// 0039 // One Liners // 0040 //////////////// 0041 0042 // turn on (true) or off (false) printing of options by default 0043 void setPrintOptoins(bool print) { m_printOptions = print; } 0044 0045 // return vector calling arguments 0046 const SVec argVec() const { return m_fullArgVec; } 0047 0048 ////////////////////////////// 0049 // Regular Member Functions // 0050 ////////////////////////////// 0051 0052 // parse the command line arguments. If 'returnArgs' is true, then 0053 // any non-assignments and non-options will be returned. 0054 void parseArguments(int argc, char **argv, bool allowArgs = false); 0055 0056 // prints out '--help' screen, then exits. 0057 void help(); 0058 0059 // print out all of the variables hooked up 0060 void printOptionValues(); 0061 0062 // Not called by users anymore. Finish evaluating default options. 0063 // Pass in 'tag' if you want to modify the output name based on 0064 // options the user has passed in. 'tag' is not passed by const 0065 // reference because it may be modified. 0066 void _finishDefaultOptions(std::string tag = ""); 0067 0068 ///////////////////////////// 0069 // Static Member Functions // 0070 ///////////////////////////// 0071 0072 // remove an ending (e.g., '.root') from a string 0073 static std::string removeEnding(const std::string &input, const std::string &ending); 0074 0075 // splits a line into words 0076 static void split(SVec &retval, std::string line, std::string match = " \t", bool ignoreComments = true); 0077 0078 // removes '# ....' comment 0079 static void removeComment(std::string &line); 0080 0081 // removes leading and trailing spaces 0082 static void removeLeadingAndTrailingSpaces(std::string &line); 0083 0084 // given a line, finds first non-space word and rest of line 0085 static void findCommand(const std::string &line, std::string &command, std::string &rest); 0086 0087 private: 0088 ////////////////////////////// 0089 // Private Member Functions // 0090 ////////////////////////////// 0091 0092 // Sets a variable 'varname' to a 'value' from a string 0093 // 'varname=value'. If 'dontOverrideChange' is set true, then the 0094 // function will NOT set a variable that has been already set. 0095 // This will allow you to read in a file to set most variables and 0096 // still be allowed to make changes from the command line. If you 0097 // want to ignore the first 'n' characters, simply set 'offset=n'. 0098 bool _setVariableFromString(const std::string &arg, bool dontOverrideChange = false, int offset = 0); 0099 0100 // sets variable options from file where lines are formatted as 0101 // - var=value 0102 bool _setVariablesFromFile(const std::string &filename); 0103 0104 // runs command embedded in arg 0105 bool _runVariableCommandFromString(const std::string &arg); 0106 0107 // given a section number (1..N) and totalsection (N), fills output 0108 // list with correct files. 0109 void _getSectionFiles(const SVec &inputList, SVec &outputList, int section, int totalSection); 0110 0111 ///////////////////////// 0112 // Private Member Data // 0113 ///////////////////////// 0114 SVec m_fullArgVec; 0115 std::string m_argv0; 0116 std::string m_usageString; 0117 bool m_printOptions; 0118 unsigned int m_optionsType; 0119 }; 0120 0121 } // namespace optutl 0122 0123 #endif // CommandLineParser_H
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