1 #include <stdio.h> 2 #include <fstream> 3 #include "Input.h" 4 #include "ValType.h" 5 #include <stdexcept> 6 #include <sstream> 7 //MR CHANGE 8 #include <cstdlib> 9 //MR CHANGE END 10 11 // return a given key value (if it's in the map) 12 ValType phSolver::Input::GetValue(const string &str) const 13 { 14 if (input_map->find(str) != input_map->end()) { 15 if ( (*input_map)[str] == "NODEFAULT" ) { 16 stringstream ost; 17 ost << "required input variable not set: " << str << ends; 18 throw invalid_argument( ost.str() ); 19 } 20 } else { 21 stringstream ost; 22 ost << "required input variable not set: " << str << ends; 23 throw invalid_argument( ost.str() ); 24 } 25 26 return ValType( (*input_map)[str] ); 27 } 28 29 const char* phSolver::Input::GetUserFileName() { 30 return userConfFileName.c_str(); 31 } 32 33 const char* phSolver::Input::GetDefaultFileName() { 34 return defaultConfFileName.c_str(); 35 } 36 37 phSolver::Input::Input(const string &fname, const string &default_fname) 38 : userConfFileName(fname), defaultConfFileName(default_fname) 39 { 40 // open the input file 41 ifstream infile( fname.c_str(), ios::in); 42 43 if(!infile || infile.eof()){ 44 cerr<<" Input file does not exist or is empty or perhaps you forgot mpirun? "<<endl; 45 exit(-2); 46 } 47 48 // allocate memory 49 input_text = new vector<string>; 50 input_map = new map<string,string>; 51 52 // get the lines of text from the input file 53 get_input_lines(input_text, infile); 54 build_map(input_map, input_text); 55 56 // build and merge with default map ( if desired ) 57 if (!default_fname.empty()) { 58 ifstream infile2( default_fname.c_str(), ios::in); 59 60 map<string,string> *default_map = new map<string,string>; 61 vector<string> *default_text = new vector<string>; 62 63 get_input_lines(default_text, infile2); 64 build_map(default_map, default_text); 65 66 // merge the two maps 67 map<string,string>::const_iterator iter = default_map->begin(); 68 for ( ; iter != default_map->end(); ++iter ) { 69 string defkey = iter->first; 70 string defval = iter->second; 71 if ( input_map->find(defkey) == input_map->end() ) { 72 (*input_map)[defkey] = defval; 73 } 74 } 75 infile2.close(); 76 77 delete default_map; 78 delete default_text; 79 80 } else { 81 cerr << "Input warning: no input.config file found." << endl; 82 cerr << "Get one from source directory." << endl; 83 exit(-2); 84 } 85 86 infile.close(); 87 88 } 89 90 phSolver::Input::~Input() 91 { 92 delete input_text; 93 delete input_map; 94 } 95 96 97 // return the input map 98 map<string,string> phSolver::Input::InputMap() const 99 { 100 return *input_map; 101 } 102 103 // echo the entire map 104 void phSolver::Input::EchoInputMap(const ostream &ofile) 105 { 106 map<string,string>::const_iterator iter = input_map->begin(); 107 for ( ; iter != input_map->end(); ++iter ) { 108 cout << "Keyphrase: " << iter->first << endl 109 << "Keyvalue: " << iter->second << endl << endl; 110 } 111 } 112 113 // read the input text from the given stream 114 void phSolver::Input::get_input_lines(vector<string> *text, ifstream &infile) 115 { 116 string textline; 117 while ( getline( infile, textline, '\n' ) ) { 118 // ignore everything on a comment line 119 if ( textline[0] != '#' ) { 120 text->push_back( textline ); 121 } 122 } 123 } 124 125 126 // 127 void phSolver::Input::build_map(map<string,string> *inmap, 128 vector<string> *intext) 129 { 130 // iterate through input_text of text and separate at :'s 131 for (int i = 0 ; i < intext->size(); i++) { 132 string textlineALL = (*intext)[i]; 133 string textline; 134 int pos = 0; 135 136 // modification introduced so that comments starting midway in a file 137 // can be handled. 138 139 if ( (pos = textlineALL.find_first_of( '#',pos)) != string::npos) { 140 textline = textlineALL.substr(0,pos); 141 }else { 142 textline = textlineALL; 143 } 144 pos = 0; 145 if ( (pos = textline.find_first_of( ':',pos)) != string::npos) { 146 147 // get the keyphrase 148 string keywd = textline.substr(0,pos); 149 trim_string(&keywd); 150 151 // get the key-value 152 string keyval = textline.substr( pos+1, textline.length() - pos); 153 trim_string(&keyval); 154 155 // put the pair into the map 156 (*inmap)[keywd] = keyval; 157 158 } 159 } 160 } 161 162 // remove leading and trailing spaces (or tabs) 163 void phSolver::Input::trim_string(string *str) 164 { 165 // check for empty string 166 int length = str->length(); 167 if ( length == 0 ) 168 return; 169 170 // erase leading spaces (or tabs) 171 int pos0 = 0; 172 while ( (*str)[pos0] == ' ' || (*str)[pos0] == '\t') { 173 pos0++; 174 } 175 if ( pos0 > 0 ) { 176 str->erase(0,pos0); 177 } 178 179 length = str->length(); 180 pos0 = length-1; 181 // erase trailing spaces (or tabs) 182 while ( (*str)[pos0] == ' ' || (*str)[pos0] == '\t') { 183 pos0--; 184 } 185 if ( pos0 < length-1 ) { 186 str->erase(pos0+1, length-pos0); 187 } 188 189 } 190