Qt 4.8
quriloader.cpp
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41 
42 #include <QtNetwork/QNetworkRequest>
43 #include <QtNetwork/QNetworkReply>
44 
45 #include "qiodevicedelegate_p.h"
46 #include "quriloader_p.h"
47 
49 
50 using namespace QPatternist;
51 
53  const NamePool::Ptr &np,
55  , m_variableNS(QLatin1String("tag:trolltech.com,2007:QtXmlPatterns:QIODeviceVariable:"))
56  , m_namePool(np)
57  , m_variableLoader(l)
58 {
60 }
61 
63 {
64  const QString requestedUrl(req.url().toString());
65 
66  /* We got a QIODevice variable. */
67  const QString name(requestedUrl.right(requestedUrl.length() - m_variableNS.length()));
68 
70 
71  if(!variant.isNull() && variant.userType() == qMetaTypeId<QIODevice *>())
72  return new QIODeviceDelegate(qvariant_cast<QIODevice *>(variant));
73  else
74  {
75  /* If we're entering this code path, the variable URI identified a variable
76  * which we don't have, which means we either have a bug, or the user had
77  * crafted an invalid URI manually. */
78 
79  return QNetworkAccessManager::createRequest(op, req, outgoingData);
80  }
81 }
82 
84 
The QVariant class acts like a union for the most common Qt data types.
Definition: qvariant.h:92
const NamePool::Ptr m_namePool
Definition: quriloader_p.h:78
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
QString toString(FormattingOptions options=None) const
Returns the human-displayable string representation of the URL.
Definition: qurl.cpp:5896
bool isNull() const
Returns true if this is a NULL variant, false otherwise.
Definition: qvariant.cpp:3102
The QNetworkReply class contains the data and headers for a request sent with QNetworkAccessManager.
Definition: qnetworkreply.h:65
int length() const
Returns the number of characters in this string.
Definition: qstring.h:696
const QString m_variableNS
Definition: quriloader_p.h:77
Operation
Indicates the operation this reply is processing.
The QString class provides a Unicode character string.
Definition: qstring.h:83
#define Q_ASSERT(cond)
Definition: qglobal.h:1823
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
QUrl url() const
Returns the URL this network request is referring to.
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
const VariableLoader::Ptr m_variableLoader
Definition: quriloader_p.h:79
const char * name
The namespace for the internal API of QtXmlPatterns.
QVariant valueFor(const QXmlName &name) const
The QLatin1String class provides a thin wrapper around an US-ASCII/Latin-1 encoded string literal...
Definition: qstring.h:654
The QNetworkAccessManager class allows the application to send network requests and receive replies...
int userType() const
Returns the storage type of the value stored in the variant.
Definition: qvariant.cpp:1913
QXmlName allocateQName(const QString &uri, const QString &localName, const QString &prefix=QString())
Definition: qnamepool.cpp:251
virtual QNetworkReply * createRequest(Operation op, const QNetworkRequest &req, QIODevice *outgoingData=0)
Returns a new QNetworkReply object to handle the operation op and request req.
Definition: quriloader.cpp:62
QFactoryLoader * l
The QNetworkRequest class holds a request to be sent with QNetworkAccessManager.
URILoader(QObject *const parent, const NamePool::Ptr &np, const VariableLoader::Ptr &variableLoader)
Definition: quriloader.cpp:52
const char * variant
virtual QNetworkReply * createRequest(Operation op, const QNetworkRequest &request, QIODevice *outgoingData=0)
Returns a new QNetworkReply object to handle the operation op and request req.
The QIODevice class is the base interface class of all I/O devices in Qt.
Definition: qiodevice.h:66