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STYLE: simplify hashing to use struct instead of class

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- more consistent with STL practices for function classes.

- string::hash function class now operates on std::string rather
  than Foam::string since we have now avoided inadvertent use of
  string conversion from int in more places.
This commit is contained in:
Mark Olesen
2018-02-09 15:34:59 +01:00
parent 09a6e94073
commit 3e3c97397e
12 changed files with 70 additions and 208 deletions
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22
applications/solvers/multiphase/twoPhaseEulerFoam/twoPhaseSystem/phasePair/phasePairKey/phasePairKey.C
View File

@ -27,14 +27,6 @@ License
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::phasePairKey::hash::hash()
{}
Foam::phasePairKey::phasePairKey()
{}
Foam::phasePairKey::phasePairKey
(
const word& name1,
@ -47,12 +39,6 @@ Foam::phasePairKey::phasePairKey
{}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::phasePairKey::~phasePairKey()
{}
// * * * * * * * * * * * * * * Member Operators * * * * * * * * * * * * * * //
Foam::label Foam::phasePairKey::hash::operator()
@ -86,13 +72,13 @@ bool Foam::operator==
const phasePairKey& b
)
{
const label c = Pair<word>::compare(a,b);
const label cmp = Pair<word>::compare(a,b);
return
(a.ordered_ == b.ordered_)
&& (
(a.ordered_ && (c == 1))
|| (!a.ordered_ && (c != 0))
(a.ordered_ && (cmp == 1))
|| (!a.ordered_ && (cmp != 0))
);
}
@ -119,7 +105,7 @@ Foam::Istream& Foam::operator>>(Istream& is, phasePairKey& key)
{
key.ordered_ = false;
}
else if(temp[1] == "in")
else if (temp[1] == "in")
{
key.ordered_ = true;
}

44
applications/solvers/multiphase/twoPhaseEulerFoam/twoPhaseSystem/phasePair/phasePairKey/phasePairKey.H
View File

@ -40,7 +40,7 @@ SourceFiles
namespace Foam
{
// Forward declaration of friend functions and operators
// Forward declarations
class phasePairKey;
@ -59,48 +59,36 @@ class phasePairKey
:
public Pair<word>
{
public:
class hash
:
public Hash<phasePairKey>
{
public:
// Constructors
// Construct null
hash();
// Member operators
// Generate a hash from a phase pair key
label operator()(const phasePairKey& key) const;
};
private:
// Private data
//- Flag to indicate whether ordering is important
bool ordered_;
public:
struct hash
{
// Generate a hash from a phase pair key
label operator()(const phasePairKey& key) const;
};
// Constructors
//- Construct null
phasePairKey();
phasePairKey() {} // = default
//- Construct from names and the ordering flag
phasePairKey(const word& name1, const word& name2, const bool ordered);
phasePairKey
(
const word& name1,
const word& name2,
const bool ordered
);
// Destructor
virtual ~phasePairKey();
virtual ~phasePairKey() = default;
// Friend Operators