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39 
40 #include "qresource.h"
41 #include "qresource_iterator_p.h"
42 
43 #include <QtCore/qvariant.h>
44 
45 QT_BEGIN_NAMESPACE
46 
QResourceFileEngineIterator(QDir::Filters filters,const QStringList & filterNames)47 QResourceFileEngineIterator::QResourceFileEngineIterator(QDir::Filters filters,
48                                                          const QStringList &filterNames)
49     : QAbstractFileEngineIterator(filters, filterNames), index(-1)
50 {
51 }
52 
~QResourceFileEngineIterator()53 QResourceFileEngineIterator::~QResourceFileEngineIterator()
54 {
55 }
56 
next()57 QString QResourceFileEngineIterator::next()
58 {
59     if (!hasNext())
60         return QString();
61     ++index;
62     return currentFilePath();
63 }
64 
hasNext() const65 bool QResourceFileEngineIterator::hasNext() const
66 {
67     if (index == -1) {
68         // Lazy initialization of the iterator
69         QResource resource(path());
70         if (!resource.isValid())
71             return false;
72 
73         // Initialize and move to the next entry.
74         entries = resource.children();
75         index = 0;
76     }
77 
78     return index < entries.size();
79 }
80 
currentFileName() const81 QString QResourceFileEngineIterator::currentFileName() const
82 {
83     if (index <= 0 || index > entries.size())
84         return QString();
85     return entries.at(index - 1);
86 }
87 
88 QT_END_NAMESPACE
89