foedus::assorted::HexString Struct Reference

Equivalent to std::hex in case the stream doesn't support it. More...

Detailed Description

Equivalent to std::hex in case the stream doesn't support it.

Use it as follows.

std::cout << Hex("aabc") << ...
// will output "0x61616263".

Definition at line 143 of file assorted_func.hpp.

#include <assorted_func.hpp>

Collaboration diagram for foedus::assorted::HexString:

Public Member Functions
	HexString (const std::string &str, uint32_t max_bytes=64U)

Public Attributes
std::string	str_
uint32_t	max_bytes_

Friends
std::ostream &	operator<< (std::ostream &o, const HexString &v)

Constructor & Destructor Documentation

foedus::assorted::HexString::HexString ( const std::string &  str, uint32_t  max_bytes = 64U  )

inline

Definition at line 144 of file assorted_func.hpp.

    : str_(str), max_bytes_(max_bytes) {}

Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  o, const HexString &  v  )

friend

Definition at line 123 of file assorted_func.cpp.

                                                          {
  // Same above
  o << "0x";
  for (uint32_t i = 0; i < v.str_.size() && i < v.max_bytes_; ++i) {
    if (i > 0 && i % 8U == 0) {
      o << " ";  // put space for every 8 bytes for readability
    }
    o << kUpperHexChars[(v.str_[i] >> 4) & 0xFU] << kUpperHexChars[v.str_[i] & 0xFU];
  }
  if (v.max_bytes_ != -1U && v.str_.size() > v.max_bytes_) {
    o << " ...(" << (v.str_.size() - v.max_bytes_) << " more bytes)";
  }
  return o;
}

Member Data Documentation

uint32_t foedus::assorted::HexString::max_bytes_

Definition at line 148 of file assorted_func.hpp.

Referenced by foedus::assorted::operator<<().

std::string foedus::assorted::HexString::str_

Definition at line 147 of file assorted_func.hpp.

Referenced by foedus::assorted::operator<<().

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

• /home/shino/foedus_code/foedus-core/include/foedus/assorted/assorted_func.hpp