edm::hash_detail Namespace Reference

Typedefs
typedef std::string	value_type

Functions
value_type	compactForm_ (value_type const &hash)
void	fixup_ (value_type &hash)
bool	isCompactForm_ (value_type const &hash)
bool	isValid_ (value_type const &hash)
std::ostream &	print_ (std::ostream &os, value_type const &hash)
size_t	smallHash_ (value_type const &hash)
void	throwIfIllFormed (value_type const &hash)
void	toDigest_ (cms::Digest &digest, value_type const &hash)
void	toString_ (std::string &result, value_type const &hash)

Typedef Documentation

value_type

typedef std::string edm::hash_detail::value_type

Definition at line 30 of file Hash.h.

Function Documentation

compactForm_()

value_type edm::hash_detail::compactForm_

(

value_type const &

hash

)

Definition at line 18 of file Hash.cc.

References fixup_(), cond::hash, isCompactForm_(), and groupFilesInBlocks::temp.

Referenced by edm::Hash< EntryDescriptionType >::compactForm(), and smallHash_().

                                                    {
      if (isCompactForm_(hash)) {
        return hash;
      }
      value_type temp(hash);
      fixup_(temp);
      return temp;
    }

fixup_()

void edm::hash_detail::fixup_

(

value_type &

hash

)

Definition at line 30 of file Hash.cc.

References Exception, cond::hash, edm::errors::LogicError, and groupFilesInBlocks::temp.

Referenced by compactForm_(), edm::Hash< EntryDescriptionType >::Hash(), edm::Hash< EntryDescriptionType >::operator=(), print_(), toDigest_(), and toString_().

                                  {
      switch (hash.size()) {
        case 16: {
          break;
        }
        case 32: {
          cms::MD5Result temp;
          temp.fromHexifiedString(hash);
          hash = temp.compactForm();
          break;
        }
        case 0: {
          throw Exception(errors::LogicError) << "Empty edm::Hash<> instance:\n"
                                              << "\nPlease report this to the core framework developers";
        }
        default: {
          throw Exception(errors::LogicError) << "edm::Hash<> instance with data in illegal state:\n"
                                              << hash << "\nPlease report this to the core framework developers";
        }
      }
    }

isCompactForm_()

bool edm::hash_detail::isCompactForm_

(

value_type const &

hash

)

Definition at line 61 of file Hash.cc.

References cond::hash.

Referenced by compactForm_(), edm::Hash< EntryDescriptionType >::compareUsing(), edm::Hash< EntryDescriptionType >::isCompactForm(), and isValid_().

{ return 16 == hash.size(); }

isValid_()

bool edm::hash_detail::isValid_

(

value_type const &

hash

)

Definition at line 63 of file Hash.cc.

References cond::hash, edm::detail::InvalidHash(), and isCompactForm_().

Referenced by edm::Hash< EntryDescriptionType >::isValid().

                                          {
      return isCompactForm_(hash) ? (hash != detail::InvalidHash()) : (!hash.empty());
    }

print_()

std::ostream & edm::hash_detail::print_	(	std::ostream &	os,
		value_type const &	hash
	)

Definition at line 92 of file Hash.cc.

References edm::copy_all(), fixup_(), cond::hash, and groupFilesInBlocks::temp.

Referenced by edm::Hash< EntryDescriptionType >::print().

                                                               {
      value_type temp1(hash);
      fixup_(temp1);
      cms::MD5Result temp;
      copy_all(temp1, temp.bytes.begin());
      os << temp.toString();
      return os;
    }

smallHash_()

size_t edm::hash_detail::smallHash_

(

value_type const &

hash

)

Definition at line 52 of file Hash.cc.

References compactForm_(), h, and cond::hash.

Referenced by edm::Hash< EntryDescriptionType >::smallHash().

                                              {
      //NOTE: In future we could try to xor the first 8bytes into the second 8bytes of the string to make the hash
      std::hash<std::string> h;
      if (hash.size() == 16) {
        return h(hash);
      }
      return h(compactForm_(hash));
    }

throwIfIllFormed()

void edm::hash_detail::throwIfIllFormed

(

value_type const &

hash

)

Definition at line 67 of file Hash.cc.

References Exception, cond::hash, and edm::errors::LogicError.

                                                  {
      // Fixup not needed here.
      if (hash.size() % 2 == 1) {
        throw Exception(errors::LogicError) << "Ill-formed Hash instance. "
                                            << "Please report this to the core framework developers";
      }
    }

toDigest_()

void edm::hash_detail::toDigest_	(	cms::Digest &	digest,
		value_type const &	hash
	)

Definition at line 83 of file Hash.cc.

References cms::Digest::append(), edm::copy_all(), fixup_(), cond::hash, and groupFilesInBlocks::temp.

Referenced by edm::Hash< EntryDescriptionType >::toDigest().

                                                              {
      // FIXME: do we really need to go through a temporary value_type???
      value_type temp1(hash);
      fixup_(temp1);
      cms::MD5Result temp;
      copy_all(temp1, temp.bytes.begin());
      digest.append(temp.toString());
    }

toString_()

void edm::hash_detail::toString_	(	std::string &	result,
		value_type const &	hash
	)

Definition at line 75 of file Hash.cc.

References edm::copy_all(), fixup_(), cond::hash, mps_fire::result, and groupFilesInBlocks::temp.

Referenced by edm::Hash< EntryDescriptionType >::toString().

                                                              {
      value_type temp1(hash);
      fixup_(temp1);
      cms::MD5Result temp;
      copy_all(temp1, temp.bytes.begin());
      result += temp.toString();
    }