1 #ifndef _theplu_yat_utility_utility_
2 #define _theplu_yat_utility_utility_
34 #include "concept_check.h"
36 #include "Exception.h"
37 #include "iterator_traits.h"
38 #include "WeightIterator.h"
39 #include "yat_assert.h"
41 #include <gsl/gsl_math.h>
43 #include <boost/iterator/iterator_concepts.hpp>
44 #include <boost/concept_check.hpp>
74 std::string
basename(
const std::string& fn);
86 template<
typename InputIterator,
typename OutputIterator>
88 OutputIterator result);
100 void chdir(
const std::string& dir);
110 void chmod(
const std::string& filename, mode_t mode);
128 T
convert(
const std::string& s);
136 void copy_file(
const std::string& source,
const std::string& target);
148 std::string
dirname(
const std::string& fn);
160 bool fnmatch(
const std::string& pattern,
const std::string& str,
169 bool is(
const std::string& s);
177 bool is_double(
const std::string&) YAT_DEPRECATE;
187 bool is_equal(std::
string s, std::
string other);
195 bool is_float(const std::
string&) YAT_DEPRECATE;
203 bool is_int(const std::
string&) YAT_DEPRECATE;
208 bool is_nan(const std::
string& s);
246 void load(std::istream&
is, std::vector<std::vector<T> >& vec,
char sep='\0',
247 char line_sep='\n',
bool ignore_empty=false,
bool rectangle=true);
271 void load(std::istream& is, std::vector<T>& vec,
char sep='\0');
281 T
log2(T x) {
return std::log(x)/M_LN2; }
292 void mkdir(
const std::string& dir, mode_t mode=0777);
301 void mkdir_p(
const std::string& dir, mode_t mode=0777);
310 void remove(
const std::string& fn);
320 void rename(
const std::string& from,
const std::string& to);
328 void replace(std::string& full_str, std::string old_str, std::string new_str);
343 template<
typename Iterator>
344 double sum_weight(Iterator first, Iterator last);
363 bool convert(
const std::string& s, T& t);
376 void operator()(
const std::string& element, std::vector<T>& vec)
379 vec.push_back(std::numeric_limits<T>::quiet_NaN());
381 vec.push_back(theplu::yat::utility::convert<T>(element));
392 struct VectorPusher<std::string>
397 void operator()(
const std::string& element, std::vector<std::string>& vec)
399 vec.push_back(element);
404 template<
typename Iterator>
405 double sum_weight(Iterator first, Iterator last, unweighted_iterator_tag tag)
407 return std::distance(first, last);
411 template<
typename Iterator>
412 double sum_weight(Iterator first, Iterator last, weighted_iterator_tag tag)
414 return std::accumulate(weight_iterator(first), weight_iterator(last), 0);
424 template<
typename InputIterator,
typename OutputIterator>
426 OutputIterator result)
429 while (first!=last) {
430 if (std::isnan(*first)) {
446 std::ostringstream ss;
457 throw runtime_error(std::string(
"yat::utility::convert(\"")+s+
464 bool is(
const std::string& s)
472 void load(std::istream&
is, std::vector<std::vector<T> >& matrix,
473 char sep,
char line_sep,
bool ignore_empty,
476 size_t nof_columns=0;
478 while(getline(is, line, line_sep)){
479 if (line.empty() && ignore_empty)
481 matrix.push_back(std::vector<T>());
482 std::vector<T>& v=matrix.back();
483 v.reserve(nof_columns);
484 std::stringstream ss(line);
487 detail::VectorPusher<T> pusher;
488 if(sep!=
'\0' && !line.empty() && line[line.size()-1]==sep)
491 if (rectangle && nof_columns && v.size()!=nof_columns) {
492 std::ostringstream s;
493 s <<
"load stream error: "
494 <<
"line " << matrix.size() <<
" has " << v.size()
495 <<
" columns; expected " << nof_columns <<
" columns.";
498 nof_columns =
std::max(nof_columns, v.size());
502 is.clear(std::ios::goodbit);
506 void load(std::istream&
is, std::vector<T>& vec,
char sep)
508 detail::VectorPusher<T> pusher;
515 ok=getline(is, element, sep);
518 pusher(element, vec);
523 template<
typename Iterator>
527 BOOST_CONCEPT_ASSERT((boost_concepts::ReadableIterator<Iterator>));
528 BOOST_CONCEPT_ASSERT((boost_concepts::SinglePassIterator<Iterator>));
537 bool convert(
const std::string& s, T& result)
539 if (!std::numeric_limits<T>::is_signed) {
541 std::string::const_iterator iter = s.begin();
542 while (iter!=s.end() && std::isspace(*iter))
546 if (iter==s.end() || *iter==
'-')
549 std::istringstream ss(s);
553 result = std::numeric_limits<T>::quiet_NaN();
557 result = std::numeric_limits<T>::infinity();
562 YAT_ASSERT(std::numeric_limits<T>::is_signed);
563 result = -std::numeric_limits<T>::infinity();
bool is(const std::string &s)
check if string is convertible to (numerical) type T
Definition: utility.h:464
bool is_int(const std::string &)
detail::weighted_iterator_traits_detail< value >::type type
Definition: iterator_traits.h:114
void chdir(const std::string &dir)
std::string dirname(const std::string &fn)
Concept check for Data Iterator.
Definition: concept_check.h:226
double sum_weight(Iterator first, Iterator last)
Definition: utility.h:524
void rename(const std::string &from, const std::string &to)
void copy_file(const std::string &source, const std::string &target)
Copy file source to target.
void replace(std::string &full_str, std::string old_str, std::string new_str)
bool is_double(const std::string &)
bool is_float(const std::string &)
void mkdir_p(const std::string &dir, mode_t mode=0777)
T max(const T &a, const T &b, const T &c)
Definition: stl_utility.h:683
Class used for all runtime error detected within yat library.
Definition: Exception.h:38
void chmod(const std::string &filename, mode_t mode)
bool is_nan(const std::string &s)
bool is_equal(std::string s, std::string other)
bool fnmatch(const std::string &pattern, const std::string &str, int flags=0)
Class to report errors associated with IO operations.
Definition: Exception.h:109
bool binary_weight(InputIterator first, InputIterator last, OutputIterator result)
Definition: utility.h:425
T log2(T x)
Definition: utility.h:281
void load(std::istream &is, std::vector< std::vector< T > > &vec, char sep='\0', char line_sep='\n', bool ignore_empty=false, bool rectangle=true)
Definition: utility.h:472
std::string basename(const std::string &fn)
void mkdir(const std::string &dir, mode_t mode=0777)
create a directory dir
std::string convert(T input)
convert T to a string
Definition: utility.h:444