JSON::JPrinter Struct Reference

Auxiliary data structure to print (part of) JSon data. More...

#include <JPrinter.hh>

Public Member Functions
	JPrinter ()
	Defaut constructor. More...
std::ostream &	operator() (std::ostream &out, const JSON::json &js, const std::string &key) const
	Auxiliary method to print (part of) JSon data. More...

Public Attributes
char	SEPARATOR [2] = { '.', '+' }
int	WIDTH = 2

Detailed Description

Auxiliary data structure to print (part of) JSon data.

The key can be used to specify which part of the JSon data to print.
For example:

  "Error.Code+Message"

will print both the error code and message of some specific JSon data.

Definition at line 29 of file JPrinter.hh.

Constructor & Destructor Documentation

JPrinter()

JSON::JPrinter::JPrinter ( )

inline

Defaut constructor.

Definition at line 37 of file JPrinter.hh.

    {}

Member Function Documentation

operator()()

std::ostream& JSON::JPrinter::operator() ( std::ostream &  out, const JSON::json &  js, const std::string &  key  ) const

inline

Auxiliary method to print (part of) JSon data.

Parameters

out	output stream
js	JSon data
key	key

Definition at line 48 of file JPrinter.hh.

    {
      using namespace std;
 
      size_t pos = key.find(SEPARATOR[0]);
 
      if (pos != string::npos) {
 
        if (js[key.substr(0, pos)].is_array()) {
 
          for (const auto& element : js[key.substr(0, pos)]) {
            (*this)(out, element, key.substr(pos + 1));
          }
 
        } else {
 
          (*this)(out, js[key.substr(0, pos)], key.substr(pos + 1));
        }
 
      } else if (key != "") {
 
        pos = key.find(SEPARATOR[1]);
 
        out << setw(WIDTH) << js[key.substr(0, pos)] << ' ';
 
        if (pos != string::npos)
          (*this)(out, js, key.substr(pos + 1));
        else
          out << endl;
 
      } else {
 
        out << setw(WIDTH) << js << endl;
      }
 
      return out;
    }

Member Data Documentation

SEPARATOR

char JSON::JPrinter::SEPARATOR[2] = { '.', '+' }

Definition at line 31 of file JPrinter.hh.

WIDTH

int JSON::JPrinter::WIDTH = 2

Definition at line 32 of file JPrinter.hh.

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

• JPrinter.hh