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39
40#include "qresource.h"
41#include "qresource_iterator_p.h"
42
43#include <QtCore/qvariant.h>
44
45QT_BEGIN_NAMESPACE
46
47QResourceFileEngineIterator::QResourceFileEngineIterator(QDir::Filters filters,
48 const QStringList &filterNames)
49 : QAbstractFileEngineIterator(filters, filterNames), index(-1)
50{
51}
52
53QResourceFileEngineIterator::~QResourceFileEngineIterator()
54{
55}
56
57QString QResourceFileEngineIterator::next()
58{
59 if (!hasNext())
60 return QString();
61 ++index;
62 return currentFilePath();
63}
64
65bool 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
81QString QResourceFileEngineIterator::currentFileName() const
82{
83 if (index <= 0 || index > entries.size())
84 return QString();
85 return entries.at(index - 1);
86}
87
88QT_END_NAMESPACE
89