Changeset 561 for trunk/examples/xml/streambookmarks/xbelreader.cpp

Timestamp:

Feb 11, 2010, 11:19:06 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.1 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• examples/xml/streambookmarks/xbelreader.cpp (modified) (11 diffs)

trunk/examples/xml/streambookmarks/xbelreader.cpp

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the examples of the Qt Toolkit.
@@ -21 +22 @@
 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** GNU General Public License Usage
@@ -34 +34 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
 ** $QT_END_LICENSE$
 **
@@ -61 +61 @@
 bool XbelReader::read(QIODevice *device)
 {
-    setDevice(device);
+    xml.setDevice(device);
 
-    while (!atEnd()) {
-        readNext();
-
-        if (isStartElement()) {
-            if (name() == "xbel" && attributes().value("version") == "1.0")
-                readXBEL();
-            else
-                raiseError(QObject::tr("The file is not an XBEL version 1.0 file."));
-        }
+    if (xml.readNextStartElement()) {
+        if (xml.name() == "xbel" && xml.attributes().value("version") == "1.0")
+            readXBEL();
+        else
+            xml.raiseError(QObject::tr("The file is not an XBEL version 1.0 file."));
     }
 
-    return !error();
+    return !xml.error();
 }
 //! [1]
 
 //! [2]
-void XbelReader::readUnknownElement()
+QString XbelReader::errorString() const
 {
-    Q_ASSERT(isStartElement());
-
-    while (!atEnd()) {
-        readNext();
-
-        if (isEndElement())
-            break;
-
-        if (isStartElement())
-            readUnknownElement();
-    }
+    return QObject::tr("%1\nLine %2, column %3")
+            .arg(xml.errorString())
+            .arg(xml.lineNumber())
+            .arg(xml.columnNumber());
 }
 //! [2]
@@ -98 +87 @@
 void XbelReader::readXBEL()
 {
-    Q_ASSERT(isStartElement() && name() == "xbel");
+    Q_ASSERT(xml.isStartElement() && xml.name() == "xbel");
 
-    while (!atEnd()) {
-        readNext();
-
-        if (isEndElement())
-            break;
-
-        if (isStartElement()) {
-            if (name() == "folder")
-                readFolder(0);
-            else if (name() == "bookmark")
-                readBookmark(0);
-            else if (name() == "separator")
-                readSeparator(0);
-            else
-                readUnknownElement();
-        }
+    while (xml.readNextStartElement()) {
+        if (xml.name() == "folder")
+            readFolder(0);
+        else if (xml.name() == "bookmark")
+            readBookmark(0);
+        else if (xml.name() == "separator")
+            readSeparator(0);
+        else
+            xml.skipCurrentElement();
     }
 }
@@ -123 +105 @@
 void XbelReader::readTitle(QTreeWidgetItem *item)
 {
-    Q_ASSERT(isStartElement() && name() == "title");
+    Q_ASSERT(xml.isStartElement() && xml.name() == "title");
 
-    QString title = readElementText();
+    QString title = xml.readElementText();
     item->setText(0, title);
 }
@@ -133 +115 @@
 void XbelReader::readSeparator(QTreeWidgetItem *item)
 {
+    Q_ASSERT(xml.isStartElement() && xml.name() == "separator");
+
     QTreeWidgetItem *separator = createChildItem(item);
     separator->setFlags(item->flags() & ~Qt::ItemIsSelectable);
     separator->setText(0, QString(30, 0xB7));
-    readElementText();
+    xml.skipCurrentElement();
 }
 //! [5]
@@ -142 +126 @@
 void XbelReader::readFolder(QTreeWidgetItem *item)
 {
-    Q_ASSERT(isStartElement() && name() == "folder");
+    Q_ASSERT(xml.isStartElement() && xml.name() == "folder");
 
     QTreeWidgetItem *folder = createChildItem(item);
-    bool folded = (attributes().value("folded") != "no");
+    bool folded = (xml.attributes().value("folded") != "no");
     treeWidget->setItemExpanded(folder, !folded);
 
-    while (!atEnd()) {
-        readNext();
-
-        if (isEndElement())
-            break;
-
-        if (isStartElement()) {
-            if (name() == "title")
-                readTitle(folder);
-            else if (name() == "folder")
-                readFolder(folder);
-            else if (name() == "bookmark")
-                readBookmark(folder);
-            else if (name() == "separator")
-                readSeparator(folder);
-            else
-                readUnknownElement();
-        }
+    while (xml.readNextStartElement()) {
+        if (xml.name() == "title")
+            readTitle(folder);
+        else if (xml.name() == "folder")
+            readFolder(folder);
+        else if (xml.name() == "bookmark")
+            readBookmark(folder);
+        else if (xml.name() == "separator")
+            readSeparator(folder);
+        else
+            xml.skipCurrentElement();
     }
 }
@@ -171 +148 @@
 void XbelReader::readBookmark(QTreeWidgetItem *item)
 {
-    Q_ASSERT(isStartElement() && name() == "bookmark");
+    Q_ASSERT(xml.isStartElement() && xml.name() == "bookmark");
 
     QTreeWidgetItem *bookmark = createChildItem(item);
@@ -177 +154 @@
     bookmark->setIcon(0, bookmarkIcon);
     bookmark->setText(0, QObject::tr("Unknown title"));
-    bookmark->setText(1, attributes().value("href").toString());
-    while (!atEnd()) {
-        readNext();
+    bookmark->setText(1, xml.attributes().value("href").toString());
 
-        if (isEndElement())
-            break;
-
-        if (isStartElement()) {
-            if (name() == "title")
-                readTitle(bookmark);
-            else
-                readUnknownElement();
-        }
+    while (xml.readNextStartElement()) {
+        if (xml.name() == "title")
+            readTitle(bookmark);
+        else
+            xml.skipCurrentElement();
     }
 }
@@ -201 +172 @@
         childItem = new QTreeWidgetItem(treeWidget);
     }
-    childItem->setData(0, Qt::UserRole, name().toString());
+    childItem->setData(0, Qt::UserRole, xml.name().toString());
     return childItem;
 }