Line data Source code
1 : /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 : Copyright (c) 2012-2018 The plumed team
3 : (see the PEOPLE file at the root of the distribution for a list of names)
4 :
5 : See http://www.plumed.org for more information.
6 :
7 : This file is part of plumed, version 2.
8 :
9 : plumed is free software: you can redistribute it and/or modify
10 : it under the terms of the GNU Lesser General Public License as published by
11 : the Free Software Foundation, either version 3 of the License, or
12 : (at your option) any later version.
13 :
14 : plumed is distributed in the hope that it will be useful,
15 : but WITHOUT ANY WARRANTY; without even the implied warranty of
16 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 : GNU Lesser General Public License for more details.
18 :
19 : You should have received a copy of the GNU Lesser General Public License
20 : along with plumed. If not, see <http://www.gnu.org/licenses/>.
21 : +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
22 : #include "CLTool.h"
23 :
24 : namespace PLMD {
25 :
26 841 : Keywords CLToolOptions::emptyKeys;
27 :
28 724 : CLToolOptions::CLToolOptions(const std::string &name):
29 : line(1,name),
30 724 : keys(emptyKeys)
31 : {
32 724 : }
33 :
34 724 : CLToolOptions::CLToolOptions(const CLToolOptions& co, const Keywords& k):
35 : line(co.line),
36 724 : keys(k)
37 : {
38 724 : }
39 :
40 5887 : void CLTool::registerKeywords( Keywords& keys ) {
41 5887 : keys.addFlag("--help/-h",false,"print this help");
42 5887 : }
43 :
44 724 : CLTool::CLTool(const CLToolOptions& co ):
45 724 : name(co.line[0]),
46 : keywords(co.keys),
47 1448 : inputdata(unset)
48 : {
49 724 : }
50 :
51 2789 : void CLTool::parseFlag( const std::string&key, bool&t ) {
52 2789 : plumed_massert(keywords.exists(key),"keyword " + key + " has not been registered");
53 2789 : plumed_massert(keywords.style(key,"flag"),"keyword " + key + " has not been registered as a flag");
54 2789 : plumed_assert(inputData.count(key)>0);
55 2789 : if( inputData[key]=="true") t=true;
56 2349 : else if( inputData[key]=="false") t=false;
57 0 : else plumed_error();
58 2789 : }
59 :
60 724 : bool CLTool::readInput( int argc, char**argv, FILE* in, FILE*out ) {
61 724 : plumed_massert( inputdata!=unset,"You have not specified where your tool reads its input. "
62 : "If it is from the command line (like driver) add inputdata=commandline to the "
63 : "tools constructor. If it reads everything from an input file (like simplemd) "
64 0 : "add inputdata=ifile to the tools constructor");
65 724 : if(inputdata==commandline) return readCommandLineArgs( argc, argv, out );
66 4 : if(inputdata==ifile) return readInputFile( argc, argv, in, out );
67 0 : return true;
68 : }
69 :
70 720 : bool CLTool::readCommandLineArgs( int argc, char**argv, FILE*out ) {
71 720 : plumed_assert(inputdata==commandline);
72 1440 : std::string prefix(""), a(""), thiskey;
73 :
74 : // Set all flags to default false
75 13814 : for(unsigned k=0; k<keywords.size(); ++k) {
76 13094 : thiskey=keywords.get(k);
77 13094 : if( keywords.style(thiskey,"flag") ) inputData.insert(std::pair<std::string,std::string>(thiskey,"false"));
78 : }
79 :
80 : // Read command line arguments
81 720 : bool printhelp=false;
82 4172 : for(int i=1; i<argc; i++) {
83 3452 : a=prefix+argv[i];
84 3452 : if(a.length()==0) continue;
85 3452 : if(a=="-h" || a=="--help") {
86 0 : printhelp=true;
87 : } else {
88 3452 : bool found=false;
89 103330 : for(unsigned k=0; k<keywords.size(); ++k) {
90 99878 : thiskey=keywords.get(k);
91 99878 : if( keywords.style(thiskey,"flag") ) {
92 13971 : if( a==thiskey ) { found=true; inputData[thiskey]="true"; }
93 : } else {
94 85907 : if( a==thiskey ) {
95 1387 : prefix=thiskey+"="; found=true;
96 1387 : inputData.insert(std::pair<std::string,std::string>(thiskey,""));
97 84520 : } else if(Tools::startWith(a,thiskey+"=")) {
98 1625 : a.erase(0,a.find("=")+1); prefix=""; found=true;
99 1625 : if(inputData.count(thiskey)==0) {
100 238 : inputData.insert(std::pair<std::string,std::string>(thiskey,a));
101 : } else {
102 1387 : inputData[thiskey]=a;
103 : }
104 : }
105 : }
106 : }
107 3452 : if(!found) {
108 0 : fprintf(stderr,"ERROR in input for command line tool %s : %s option is unknown \n\n", name.c_str(), a.c_str() );
109 0 : fprintf(out,"Usage: %s < inputFile \n", name.c_str() );
110 0 : fprintf(out,"inputFile should contain one directive per line. The directives should come from amongst the following\n\n");
111 0 : keywords.print( out );
112 0 : printhelp=true;
113 : }
114 : }
115 3452 : if(printhelp) break;
116 : }
117 :
118 720 : if(!printhelp) setRemainingToDefault(out);
119 :
120 720 : if(printhelp) {
121 0 : fprintf(out,"Usage: %s [options] \n\n", name.c_str() );
122 0 : keywords.print( out );
123 : }
124 :
125 1440 : return !printhelp;
126 : }
127 :
128 724 : void CLTool::setRemainingToDefault(FILE* out) {
129 1448 : std::string def, thiskey;
130 13874 : for(unsigned k=0; k<keywords.size(); ++k) {
131 13150 : thiskey=keywords.get(k);
132 13150 : if( keywords.style(thiskey,"compulsory") ) {
133 1368 : if( inputData.count(thiskey)==0 ) {
134 461 : if( keywords.getDefaultValue(thiskey,def) ) {
135 461 : plumed_assert( def.length()>0 );
136 461 : inputData.insert(std::pair<std::string,std::string>(thiskey,def));
137 : } else {
138 0 : fprintf(out,"ERROR : argument %s is compulsory. Use --help option for help\n",thiskey.c_str() );
139 0 : plumed_error();
140 : }
141 : }
142 : }
143 724 : }
144 724 : }
145 :
146 4 : bool CLTool::readInputFile( int argc, char**argv, FILE* in, FILE*out ) {
147 4 : plumed_assert(inputdata==ifile);
148 :
149 : // Check if use is just asking for help
150 4 : std::string a;
151 4 : for(int i=1; i<argc; i++) {
152 0 : a=argv[i];
153 0 : if(a.length()==0) continue;
154 0 : if(a=="-h" || a=="--help") {
155 0 : fprintf(out,"Usage: %s < inputFile \n", name.c_str() );
156 0 : fprintf(out,"inputFile should contain one directive per line. The directives should come from amongst the following\n\n");
157 0 : keywords.print( out );
158 0 : return false;
159 : }
160 : }
161 :
162 4 : FILE* mystdin=in;
163 4 : if(argc==2) {
164 0 : mystdin=fopen(argv[1],"r");
165 0 : if(!mystdin) {
166 0 : fprintf(stderr,"ERROR: cannot open file %s\n\n",argv[1]);
167 0 : fprintf(out,"Usage: %s < inputFile \n", name.c_str() );
168 0 : fprintf(out,"inputFile should contain one directive per line. The directives should come from amongst the following\n\n");
169 0 : keywords.print( out );
170 0 : return false;
171 : }
172 : }
173 :
174 4 : plumed_assert(mystdin);
175 :
176 8 : char buffer[256]; std::string line; line.resize(256);
177 50 : while(fgets(buffer,256,mystdin)) {
178 42 : line=buffer;
179 42 : for(unsigned i=0; i<line.length(); ++i) if(line[i]=='#' || line[i]=='\n') line.erase(i);
180 42 : Tools::stripLeadingAndTrailingBlanks( line );
181 42 : if(line.length()==0) continue;
182 42 : sscanf(line.c_str(),"%255s",buffer);
183 42 : std::string keyword=buffer; bool found=false;
184 630 : for(unsigned i=0; i<keywords.size(); ++i) {
185 588 : std::string thiskey=keywords.get(i);
186 588 : if(thiskey==keyword) {
187 42 : found=true;
188 42 : std::size_t keypos=line.find_first_of(keyword)+keyword.length();
189 42 : inputData.insert(std::pair<std::string,std::string>(thiskey,line.substr(keypos)));
190 42 : Tools::stripLeadingAndTrailingBlanks( inputData[thiskey] );
191 : }
192 588 : }
193 42 : if(!found) {
194 0 : fprintf(stderr,"ERROR in input for command line tool %s : unknown keyword %s found in input file\n\n",name.c_str(),keyword.c_str());
195 0 : fprintf(out,"Usage: %s < inputFile \n", name.c_str() );
196 0 : fprintf(out,"inputFile should contain one directive per line. The directives should come from amongst the following\n\n");
197 0 : keywords.print( out );
198 0 : fclose(mystdin);
199 0 : return false;
200 : }
201 42 : }
202 :
203 4 : if(argc==2) fclose(mystdin);
204 4 : setRemainingToDefault(out);
205 8 : return true;
206 : }
207 :
208 0 : void CLTool::error( const std::string& msg ) {
209 0 : fprintf(stderr,"ERROR : in input for command line tool %s : %s\n",name.c_str(),msg.c_str());
210 0 : plumed_error();
211 : }
212 :
213 2523 : }
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