1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336
|
/*
* This file is part of libcxxsupport.
*
* libcxxsupport is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* libcxxsupport is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with libcxxsupport; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* libcxxsupport is being developed at the Max-Planck-Institut fuer Astrophysik
* and financially supported by the Deutsches Zentrum fuer Luft- und Raumfahrt
* (DLR).
*/
/*
* This file contains the implementation of various convenience functions
* used by the Planck LevelS package.
*
* Copyright (C) 2002-2014 Max-Planck-Society
* Author: Martin Reinecke
*/
#include <sstream>
#include <fstream>
#include <iostream>
#include <iomanip>
#include <string>
#include <cstring>
#include <cctype>
#include "string_utils.h"
using namespace std;
string trim (const string &orig)
{
string::size_type p1=orig.find_first_not_of(" \t");
if (p1==string::npos) return "";
string::size_type p2=orig.find_last_not_of(" \t");
return orig.substr(p1,p2-p1+1);
}
template<typename T> string dataToString (const T &x)
{
ostringstream strstrm;
strstrm << x;
return trim(strstrm.str());
}
template<> string dataToString (const bool &x)
{ return x ? "T" : "F"; }
template<> string dataToString (const string &x)
{ return trim(x); }
template<> string dataToString (const float &x)
{
ostringstream strstrm;
strstrm << setprecision(8) << x;
return trim(strstrm.str());
}
template<> string dataToString (const double &x)
{
ostringstream strstrm;
strstrm << setprecision(16) << x;
return trim(strstrm.str());
}
template<> string dataToString (const long double &x)
{
ostringstream strstrm;
strstrm << setprecision(25) << x;
return trim(strstrm.str());
}
template string dataToString (const signed char &x);
template string dataToString (const unsigned char &x);
template string dataToString (const short &x);
template string dataToString (const unsigned short &x);
template string dataToString (const int &x);
template string dataToString (const unsigned int &x);
template string dataToString (const long &x);
template string dataToString (const unsigned long &x);
template string dataToString (const long long &x);
template string dataToString (const unsigned long long &x);
string intToString(int64 x, tsize width)
{
ostringstream strstrm;
(x>=0) ? strstrm << setw(width) << setfill('0') << x
: strstrm << "-" << setw(width-1) << setfill('0') << -x;
string res = strstrm.str();
planck_assert(res.size()==width,"number too large");
return trim(res);
}
namespace {
void end_stringToData (const string &x, const char *tn, istringstream &strstrm)
{
string error = string("conversion error in stringToData<")+tn+">(\""+x+"\")";
planck_assert (strstrm,error);
string rest;
strstrm >> rest;
// rest=trim(rest);
planck_assert (rest.length()==0,error);
}
} // unnamed namespace
template<typename T> void stringToData (const string &x, T &value)
{
istringstream strstrm(x);
strstrm >> value;
end_stringToData (x,type2typename<T>(),strstrm);
}
template<> void stringToData (const string &x, string &value)
{ value = trim(x); }
template<> void stringToData (const string &x, bool &value)
{
const char *fval[] = {"f","n","false",".false."};
const char *tval[] = {"t","y","true",".true."};
for (tsize i=0; i< sizeof(fval)/sizeof(fval[0]); ++i)
if (equal_nocase(x,fval[i])) { value=false; return; }
for (tsize i=0; i< sizeof(tval)/sizeof(tval[0]); ++i)
if (equal_nocase(x,tval[i])) { value=true; return; }
planck_fail("conversion error in stringToData<bool>(\""+x+"\")");
}
template void stringToData (const string &x, signed char &value);
template void stringToData (const string &x, unsigned char &value);
template void stringToData (const string &x, short &value);
template void stringToData (const string &x, unsigned short &value);
template void stringToData (const string &x, int &value);
template void stringToData (const string &x, unsigned int &value);
template void stringToData (const string &x, long &value);
template void stringToData (const string &x, unsigned long &value);
template void stringToData (const string &x, long long &value);
template void stringToData (const string &x, unsigned long long &value);
template void stringToData (const string &x, float &value);
template void stringToData (const string &x, double &value);
template void stringToData (const string &x, long double &value);
bool equal_nocase (const string &a, const string &b)
{
if (a.size()!=b.size()) return false;
for (tsize m=0; m<a.size(); ++m)
if (tolower(a[m])!=tolower(b[m])) return false;
return true;
}
string tolower(const string &input)
{
string result=input;
for (tsize m=0; m<result.size(); ++m)
result[m]=char(tolower(result[m]));
return result;
}
void parse_file (const string &filename, map<string,string> &dict)
{
int lineno=0;
dict.clear();
ifstream inp(filename.c_str());
planck_assert (inp,"Could not open parameter file '"+filename+"'.");
while (inp)
{
string line;
getline(inp, line);
++lineno;
// remove potential carriage returns at the end of the line
line=line.substr(0,line.find("\r"));
line=line.substr(0,line.find("#"));
line=trim(line);
if (line.size()>0)
{
string::size_type eqpos=line.find("=");
if (eqpos!=string::npos)
{
string key=trim(line.substr(0,eqpos)),
value=trim(line.substr(eqpos+1,string::npos));
if (key=="")
cerr << "Warning: empty key in '" << filename << "', line "
<< lineno << endl;
else
{
if (dict.find(key)!=dict.end())
cerr << "Warning: key '" << key << "' multiply defined in '"
<< filename << "', line " << lineno << endl;
dict[key]=value;
}
}
else
cerr << "Warning: unrecognized format in '" << filename << "', line "
<< lineno << ":\n" << line << endl;
}
}
}
namespace {
bool isParam (const string &s)
{
if (s.size()<2) return false;
if (s[0]!='-') return false;
return !(isdigit(s[1]) || (s[1]=='.'));
}
} // unnamed namespace
void parse_cmdline_classic (int argc, const char **argv,
const vector<string> &leading_args, map<string,string> &dict)
{
dict.clear();
planck_assert(tsize(argc)>leading_args.size(),"not enough arguments");
for (tsize i=0; i<leading_args.size(); ++i)
dict[leading_args[i]] = argv[i+1];
int curarg=leading_args.size()+1;
while (curarg<argc)
{
string param=argv[curarg];
planck_assert(isParam(param),"unrecognized command line format");
if ((curarg==argc-1) || isParam(argv[curarg+1]))
{
dict[param.substr(1)]="true";
++curarg;
}
else
{
dict[param.substr(1)]=argv[curarg+1];
curarg+=2;
}
}
}
void parse_cmdline_classic (int argc, const char **argv,
map<string,string> &dict)
{ parse_cmdline_classic (argc, argv, vector<string>(), dict); }
void parse_cmdline_equalsign (int argc, const char **argv,
const vector<string> &leading_args, map<string,string> &dict)
{
dict.clear();
planck_assert(tsize(argc)>leading_args.size(),"not enough arguments");
for (tsize i=0; i<leading_args.size(); ++i)
dict[leading_args[i]] = argv[i+1];
for (int i=leading_args.size()+1; i<argc; ++i)
{
string arg=trim(argv[i]);
if (arg.size()>0)
{
string::size_type eqpos=arg.find("=");
if (eqpos!=string::npos)
{
string key=trim(arg.substr(0,eqpos)),
value=trim(arg.substr(eqpos+1,string::npos));
if (key=="")
cerr << "Warning: empty key in argument'" << arg << "'" << endl;
else
{
if (dict.find(key)!=dict.end())
cerr << "Warning: key '" << key << "' multiply defined" << endl;
dict[key]=value;
}
}
else
cerr << "Warning: unrecognized format in argument '" << arg << "'"
<< endl;
}
}
}
void parse_cmdline_equalsign (int argc, const char **argv,
map<string,string> &dict)
{ parse_cmdline_equalsign (argc, argv, vector<string>(), dict); }
namespace {
template<typename T> void split (istream &stream, vector<T> &list)
{
list.clear();
while (stream)
{
string word;
stream >> word;
planck_assert (stream||stream.eof(),
string("error while splitting stream into ") + type2typename<T>()
+ "components");
if (stream) list.push_back(stringToData<T>(word));
}
}
} // unnamed namespace
template<typename T> void split (const string &inp, vector<T> &list)
{
istringstream stream(inp);
split (stream,list);
}
template void split (const string &inp, vector<string> &list);
template void split (const string &inp, vector<float> &list);
template void split (const string &inp, vector<double> &list);
template void split (const string &inp, vector<int> &list);
template void split (const string &inp, vector<long> &list);
void tokenize (const string &inp, char delim, vector<string> &list)
{
istringstream stream(inp);
string token;
list.clear();
while (getline(stream,token,delim))
list.push_back(token);
}
void parse_words_from_file (const string &filename, vector<string> &words)
{
words.clear();
ifstream inp(filename.c_str());
planck_assert (inp,"Could not open file '"+filename+"'.");
while (inp)
{
string word;
inp>>word;
word=trim(word);
if (word!="") words.push_back(word);
}
}
|