DGtal 1.3.0
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Public Member Functions
DGtal::Shortcuts< TKSpace >::ValueReader< Value > Struct Template Reference

#include <DGtal/helpers/Shortcuts.h>

Public Member Functions

bool operator() (std::istream &input, Value &value)
 
bool operator() (std::istream &input, std::vector< Value > &values)
 

Detailed Description

template<typename TKSpace>
template<typename Value>
struct DGtal::Shortcuts< TKSpace >::ValueReader< Value >

Definition at line 3063 of file Shortcuts.h.

Member Function Documentation

◆ operator()() [1/2]

template<typename TKSpace >
template<typename Value >
bool DGtal::Shortcuts< TKSpace >::ValueReader< Value >::operator() ( std::istream &  input,
std::vector< Value > &  values 
)
inline

Definition at line 3079 of file Shortcuts.h.

3080 {
3081 std::string str;
3082 std::getline( input, str );
3083 // construct a stream from the string
3084 std::stringstream strstr(str);
3085 // use stream iterators to copy the stream to the vector as whitespace separated strings
3086 std::istream_iterator<std::string> it(strstr);
3087 std::istream_iterator<std::string> end;
3088 std::vector<std::string> results(it, end);
3089 values.resize( results.size() );
3090 for ( unsigned int i = 0; i < results.size(); ++i ) {
3091 std::stringstream sstr( results[ i ] );
3092 sstr >> values[ i ];
3093 }
3094 return input.good();
3095 }

◆ operator()() [2/2]

template<typename TKSpace >
template<typename Value >
bool DGtal::Shortcuts< TKSpace >::ValueReader< Value >::operator() ( std::istream &  input,
Value value 
)
inline

Definition at line 3064 of file Shortcuts.h.

3065 {
3066 std::string str;
3067 std::getline( input, str );
3068 // construct a stream from the string
3069 std::stringstream strstr(str);
3070 // use stream iterators to copy the stream to the vector as whitespace separated strings
3071 std::istream_iterator<std::string> it(strstr);
3072 std::istream_iterator<std::string> end;
3073 std::vector<std::string> results(it, end);
3074 std::stringstream sstr( results[ 0 ] );
3075 sstr >> value;
3076 return ( results.size() == 1 ) && input.good();
3077 }

The documentation for this struct was generated from the following file: