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authorTobias Koenig <tokoe@kde.org>2009-05-16 10:19:10 (GMT)
committerTobias Koenig <tokoe@kde.org>2009-05-16 10:19:10 (GMT)
commit135a028d9dc9a28a0a072665a7dc43b7e9e187be (patch)
treed259e1d265589d10a541899d4982ab4e656900eb /examples/xmlpatterns
parent210bd7b6033e41aad61fe131002dc5e496d7427a (diff)
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Add W3C XML Schema validation support
This was done by Tobias Koenig, as part of an internship at Trolltech/Qt Software, started at Wed Oct 1 18:32:43 2008 +0200, and the last commit being part of this commit dating Tue Feb 24 11:03:36 2009 +0100. This is work consisting of about 650 commits squashed into one, where the first commit was 61b280386c1905a15690fdd917dcbc8eb09b6283, in the repository before Qt's history cut.
Diffstat (limited to 'examples/xmlpatterns')
-rw-r--r--examples/xmlpatterns/schema/main.cpp24
-rw-r--r--examples/xmlpatterns/schema/mainwindow.cpp175
-rw-r--r--examples/xmlpatterns/schema/mainwindow.h38
-rw-r--r--examples/xmlpatterns/schema/schema.pro11
-rw-r--r--examples/xmlpatterns/schema/schema.qrc13
-rw-r--r--examples/xmlpatterns/schema/schema.ui71
-rw-r--r--examples/xmlpatterns/xmlpatterns.pro3
7 files changed, 334 insertions, 1 deletions
diff --git a/examples/xmlpatterns/schema/main.cpp b/examples/xmlpatterns/schema/main.cpp
new file mode 100644
index 0000000..9537a87
--- /dev/null
+++ b/examples/xmlpatterns/schema/main.cpp
@@ -0,0 +1,24 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include "mainwindow.h"
+
+//! [0]
+int main(int argc, char* argv[])
+{
+ Q_INIT_RESOURCE(schema);
+ QApplication app(argc, argv);
+ MainWindow* const window = new MainWindow;
+ window->show();
+ return app.exec();
+}
+//! [0]
diff --git a/examples/xmlpatterns/schema/mainwindow.cpp b/examples/xmlpatterns/schema/mainwindow.cpp
new file mode 100644
index 0000000..807a65b
--- /dev/null
+++ b/examples/xmlpatterns/schema/mainwindow.cpp
@@ -0,0 +1,175 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include <QtXmlPatterns>
+
+#include "mainwindow.h"
+#include "xmlsyntaxhighlighter.h"
+
+class MessageHandler : public QAbstractMessageHandler
+{
+ public:
+ MessageHandler()
+ : QAbstractMessageHandler(0)
+ {
+ }
+
+ QString statusMessage() const
+ {
+ return m_description;
+ }
+
+ int line() const
+ {
+ return m_sourceLocation.line();
+ }
+
+ int column() const
+ {
+ return m_sourceLocation.column();
+ }
+
+ protected:
+ virtual void handleMessage(QtMsgType type, const QString &description, const QUrl &identifier, const QSourceLocation &sourceLocation)
+ {
+ Q_UNUSED(type);
+ Q_UNUSED(identifier);
+
+ m_messageType = type;
+ m_description = description;
+ m_sourceLocation = sourceLocation;
+ }
+
+ private:
+ QtMsgType m_messageType;
+ QString m_description;
+ QSourceLocation m_sourceLocation;
+};
+
+MainWindow::MainWindow()
+{
+ setupUi(this);
+
+ new XmlSyntaxHighlighter(schemaView->document());
+ new XmlSyntaxHighlighter(instanceEdit->document());
+
+ schemaSelection->addItem(tr("Contact Schema"));
+ schemaSelection->addItem(tr("Recipe Schema"));
+ schemaSelection->addItem(tr("Order Schema"));
+
+ instanceSelection->addItem(tr("Valid Contact Instance"));
+ instanceSelection->addItem(tr("Invalid Contact Instance"));
+
+ connect(schemaSelection, SIGNAL(currentIndexChanged(int)), SLOT(schemaSelected(int)));
+ connect(instanceSelection, SIGNAL(currentIndexChanged(int)), SLOT(instanceSelected(int)));
+ connect(validateButton, SIGNAL(clicked()), SLOT(validate()));
+ connect(instanceEdit, SIGNAL(textChanged()), SLOT(textChanged()));
+
+ validationStatus->setAlignment(Qt::AlignCenter | Qt::AlignVCenter);
+
+ schemaSelected(0);
+ instanceSelected(0);
+}
+
+void MainWindow::schemaSelected(int index)
+{
+ instanceSelection->clear();
+ if (index == 0) {
+ instanceSelection->addItem(tr("Valid Contact Instance"));
+ instanceSelection->addItem(tr("Invalid Contact Instance"));
+ } else if (index == 1) {
+ instanceSelection->addItem(tr("Valid Recipe Instance"));
+ instanceSelection->addItem(tr("Invalid Recipe Instance"));
+ } else if (index == 2) {
+ instanceSelection->addItem(tr("Valid Order Instance"));
+ instanceSelection->addItem(tr("Invalid Order Instance"));
+ }
+ textChanged();
+
+ QFile schemaFile(QString(":/schema_%1.xsd").arg(index));
+ schemaFile.open(QIODevice::ReadOnly);
+ const QString schemaText(QString::fromLatin1(schemaFile.readAll()));
+ schemaView->setPlainText(schemaText);
+
+ validate();
+}
+
+void MainWindow::instanceSelected(int index)
+{
+ QFile instanceFile(QString(":/instance_%1.xml").arg((2*schemaSelection->currentIndex()) + index));
+ instanceFile.open(QIODevice::ReadOnly);
+ const QString instanceText(QString::fromLatin1(instanceFile.readAll()));
+ instanceEdit->setPlainText(instanceText);
+
+ validate();
+}
+
+void MainWindow::validate()
+{
+ const QByteArray schemaData = schemaView->toPlainText().toLatin1();
+ const QByteArray instanceData = instanceEdit->toPlainText().toLatin1();
+
+ MessageHandler messageHandler;
+
+ QXmlSchema schema;
+ schema.setMessageHandler(&messageHandler);
+
+ schema.load(schemaData, QUrl("http://dummySchemaUrl/"));
+
+ bool errorOccurred = false;
+ if (!schema.isValid()) {
+ errorOccurred = true;
+ } else {
+ QXmlSchemaValidator validator(schema);
+ if (!validator.validate(instanceData, QUrl("http://dummyInstanceUrl")))
+ errorOccurred = true;
+ }
+
+ if (errorOccurred) {
+ validationStatus->setText(messageHandler.statusMessage());
+ moveCursor(messageHandler.line(), messageHandler.column());
+ } else {
+ validationStatus->setText(tr("validation successful"));
+ }
+
+ QString styleSheet = QString("QLabel {background: %1; padding: 3px}").arg(errorOccurred ? QColor(Qt::red).lighter(160).name() : QColor(Qt::green).lighter(160).name());
+ validationStatus->setStyleSheet(styleSheet);
+}
+
+void MainWindow::textChanged()
+{
+ instanceEdit->setExtraSelections(QList<QTextEdit::ExtraSelection>());
+}
+
+void MainWindow::moveCursor(int line, int column)
+{
+ instanceEdit->moveCursor(QTextCursor::Start);
+ for (int i = 1; i < line; ++i)
+ instanceEdit->moveCursor(QTextCursor::Down);
+
+ for (int i = 1; i < column; ++i)
+ instanceEdit->moveCursor(QTextCursor::Right);
+
+ QList<QTextEdit::ExtraSelection> extraSelections;
+ QTextEdit::ExtraSelection selection;
+
+ const QColor lineColor = QColor(Qt::red).lighter(160);
+ selection.format.setBackground(lineColor);
+ selection.format.setProperty(QTextFormat::FullWidthSelection, true);
+ selection.cursor = instanceEdit->textCursor();
+ selection.cursor.clearSelection();
+ extraSelections.append(selection);
+
+ instanceEdit->setExtraSelections(extraSelections);
+
+ instanceEdit->setFocus();
+}
diff --git a/examples/xmlpatterns/schema/mainwindow.h b/examples/xmlpatterns/schema/mainwindow.h
new file mode 100644
index 0000000..e5dc2df
--- /dev/null
+++ b/examples/xmlpatterns/schema/mainwindow.h
@@ -0,0 +1,38 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+
+#include "ui_schema.h"
+
+//! [0]
+class MainWindow : public QMainWindow,
+ private Ui::SchemaMainWindow
+{
+ Q_OBJECT
+
+ public:
+ MainWindow();
+
+ private Q_SLOTS:
+ void schemaSelected(int index);
+ void instanceSelected(int index);
+ void validate();
+ void textChanged();
+
+ private:
+ void moveCursor(int line, int column);
+};
+//! [0]
+#endif
diff --git a/examples/xmlpatterns/schema/schema.pro b/examples/xmlpatterns/schema/schema.pro
new file mode 100644
index 0000000..af32e0a
--- /dev/null
+++ b/examples/xmlpatterns/schema/schema.pro
@@ -0,0 +1,11 @@
+QT += xmlpatterns
+FORMS += schema.ui
+HEADERS = mainwindow.h ../shared/xmlsyntaxhighlighter.h
+RESOURCES = schema.qrc
+SOURCES = main.cpp mainwindow.cpp ../shared/xmlsyntaxhighlighter.cpp
+INCLUDEPATH += ../shared/
+
+target.path = $$[QT_INSTALL_EXAMPLES]/xmlpatterns/schema
+sources.files = $$SOURCES $$HEADERS $$RESOURCES *.pro *.xq *.html files
+sources.path = $$[QT_INSTALL_EXAMPLES]/xmlpatterns/schema
+INSTALLS += target sources
diff --git a/examples/xmlpatterns/schema/schema.qrc b/examples/xmlpatterns/schema/schema.qrc
new file mode 100644
index 0000000..eb7ddfd
--- /dev/null
+++ b/examples/xmlpatterns/schema/schema.qrc
@@ -0,0 +1,13 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource>
+ <file alias="schema_0.xsd">files/contact.xsd</file>
+ <file alias="schema_1.xsd">files/recipe.xsd</file>
+ <file alias="schema_2.xsd">files/order.xsd</file>
+ <file alias="instance_0.xml">files/valid_contact.xml</file>
+ <file alias="instance_1.xml">files/invalid_contact.xml</file>
+ <file alias="instance_2.xml">files/valid_recipe.xml</file>
+ <file alias="instance_3.xml">files/invalid_recipe.xml</file>
+ <file alias="instance_4.xml">files/valid_order.xml</file>
+ <file alias="instance_5.xml">files/invalid_order.xml</file>
+</qresource>
+</RCC>
diff --git a/examples/xmlpatterns/schema/schema.ui b/examples/xmlpatterns/schema/schema.ui
new file mode 100644
index 0000000..af7020a
--- /dev/null
+++ b/examples/xmlpatterns/schema/schema.ui
@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>SchemaMainWindow</class>
+ <widget class="QMainWindow" name="SchemaMainWindow">
+ <property name="geometry">
+ <rect>
+ <x>0</x>
+ <y>0</y>
+ <width>417</width>
+ <height>594</height>
+ </rect>
+ </property>
+ <property name="windowTitle">
+ <string>MainWindow</string>
+ </property>
+ <widget class="QWidget" name="centralwidget">
+ <layout class="QGridLayout" name="gridLayout">
+ <item row="0" column="0" colspan="2">
+ <widget class="QLabel" name="schemaLabel">
+ <property name="text">
+ <string>XML Schema Document:</string>
+ </property>
+ </widget>
+ </item>
+ <item row="0" column="2" colspan="2">
+ <widget class="QComboBox" name="schemaSelection"/>
+ </item>
+ <item row="1" column="0" colspan="4">
+ <widget class="QTextBrowser" name="schemaView"/>
+ </item>
+ <item row="2" column="0" colspan="2">
+ <widget class="QLabel" name="instanceLabel">
+ <property name="text">
+ <string>XML Instance Document:</string>
+ </property>
+ </widget>
+ </item>
+ <item row="2" column="2" colspan="2">
+ <widget class="QComboBox" name="instanceSelection"/>
+ </item>
+ <item row="3" column="0" colspan="4">
+ <widget class="QTextEdit" name="instanceEdit"/>
+ </item>
+ <item row="4" column="0">
+ <widget class="QLabel" name="label">
+ <property name="text">
+ <string>Status:</string>
+ </property>
+ </widget>
+ </item>
+ <item row="4" column="1" colspan="2">
+ <widget class="QLabel" name="validationStatus">
+ <property name="text">
+ <string>not validated</string>
+ </property>
+ </widget>
+ </item>
+ <item row="4" column="3">
+ <widget class="QPushButton" name="validateButton">
+ <property name="text">
+ <string>Validate</string>
+ </property>
+ </widget>
+ </item>
+ </layout>
+ </widget>
+ <widget class="QStatusBar" name="statusbar"/>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/examples/xmlpatterns/xmlpatterns.pro b/examples/xmlpatterns/xmlpatterns.pro
index 1a57005..3ff3e35 100644
--- a/examples/xmlpatterns/xmlpatterns.pro
+++ b/examples/xmlpatterns/xmlpatterns.pro
@@ -2,7 +2,8 @@ TEMPLATE = subdirs
SUBDIRS = recipes \
trafficinfo \
xquery \
- filetree
+ filetree \
+ schema
# This example depends on QtWebkit as well.
contains(QT_CONFIG, webkit):SUBDIRS += qobjectxmlmodel