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39
40#include <QtNetwork/QNetworkRequest>
41#include <QtNetwork/QNetworkReply>
42
43#include "qiodevicedelegate_p.h"
44#include "quriloader_p.h"
45
46QT_BEGIN_NAMESPACE
47
48using namespace QPatternist;
49
50URILoader::URILoader(QObject *const parent,
51 const NamePool::Ptr &np,
52 const VariableLoader::Ptr &l) : QNetworkAccessManager(parent)
53 , m_variableNS(QLatin1String("tag:trolltech.com,2007:QtXmlPatterns:QIODeviceVariable:"))
54 , m_namePool(np)
55 , m_variableLoader(l)
56{
57 Q_ASSERT(m_variableLoader);
58}
59
60QNetworkReply *URILoader::createRequest(Operation op, const QNetworkRequest &req, QIODevice *outgoingData)
61{
62 const QString requestedUrl(req.url().toString());
63
64 /* We got a QIODevice variable. */
65 const QString name(requestedUrl.right(n: requestedUrl.length() - m_variableNS.length()));
66
67 const QVariant variant(m_variableLoader->valueFor(name: m_namePool->allocateQName(uri: QString(), localName: name, prefix: QString())));
68
69 if(!variant.isNull() && variant.userType() == qMetaTypeId<QIODevice *>())
70 return new QIODeviceDelegate(qvariant_cast<QIODevice *>(v: variant));
71 else
72 {
73 /* If we're entering this code path, the variable URI identified a variable
74 * which we don't have, which means we either have a bug, or the user had
75 * crafted an invalid URI manually. */
76
77 return QNetworkAccessManager::createRequest(op, request: req, outgoingData);
78 }
79}
80
81QT_END_NAMESPACE
82
83

source code of qtxmlpatterns/src/xmlpatterns/api/quriloader.cpp