Qt 4.8
qdeclarativeintegercache.cpp
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41 
42 #include "private/qdeclarativeintegercache_p.h"
43 
44 #include "private/qdeclarativeengine_p.h"
45 #include "private/qdeclarativemetatype_p.h"
46 
48 
50 : QDeclarativeCleanup(e), engine(e)
51 {
52 }
53 
55 {
56  clear();
57 }
58 
60 {
63  identifierCache.clear();
64  engine = 0;
65 }
66 
68 {
70  iter != stringCache.end(); ++iter) {
71  if (iter.value() && iter.value()->value == value)
72  return iter.key();
73  }
74  return QString();
75 }
76 
78 {
80 
82 
83  // ### use contextClass
84  Data *d = new Data(enginePriv->objectClass->createPersistentIdentifier(id), value);
85 
86  stringCache.insert(id, d);
87  identifierCache.insert(d->identifier, d);
88 }
89 
91 {
92  Data *d = stringCache.value(id);
93  return d?d->value:-1;
94 }
95 
double d
Definition: qnumeric_p.h:62
The QHash::const_iterator class provides an STL-style const iterator for QHash and QMultiHash...
Definition: qhash.h:395
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
void clear()
Removes all items from the hash.
Definition: qhash.h:574
QString findId(int value) const
The QString class provides a Unicode character string.
Definition: qstring.h:83
#define Q_ASSERT(cond)
Definition: qglobal.h:1823
static QDeclarativeEnginePrivate * get(QDeclarativeEngine *e)
bool contains(const Key &key) const
Returns true if the hash contains an item with the key; otherwise returns false.
Definition: qhash.h:872
const T value(const Key &key) const
Returns the value associated with the key.
Definition: qhash.h:606
iterator insert(const Key &key, const T &value)
Inserts a new item with the key and a value of value.
Definition: qhash.h:753
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
iterator end()
Returns an STL-style iterator pointing to the imaginary item after the last item in the hash...
Definition: qhash.h:467
The QDeclarativeEngine class provides an environment for instantiating QML components.
QDeclarativeIntegerCache(QDeclarativeEngine *)
iterator begin()
Returns an STL-style iterator pointing to the first item in the hash.
Definition: qhash.h:464
void add(const QString &, int)
The QDeclarativeCleanup provides a callback when a QDeclarativeEngine is deleted. ...
Q_OUTOFLINE_TEMPLATE void qDeleteAll(ForwardIterator begin, ForwardIterator end)
Definition: qalgorithms.h:319