From 15318cad33835e4e2dc620d033e43cd930676cdd Mon Sep 17 00:00:00 2001
From: kergoth <kergoth>
Date: Fri, 25 Jan 2002 22:14:26 +0000
Subject: Initial revision

---
(limited to 'noncore/apps/tableviewer/db/xmlsource.h')

diff --git a/noncore/apps/tableviewer/db/xmlsource.h b/noncore/apps/tableviewer/db/xmlsource.h
new file mode 100644
index 0000000..ec267a6
--- a/dev/null
+++ b/noncore/apps/tableviewer/db/xmlsource.h
@@ -0,0 +1,119 @@
+/**********************************************************************
+** Copyright (C) 2000 Trolltech AS.  All rights reserved.
+**
+** This file is part of Qtopia Environment.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
+/* A Class to parse an xml docment of the form
+ * <database name="...">
+ * <header>
+ * <key name=key_name type=String>Displayed Name</key>
+ * <key name=key2name>key2name</key>
+ * <key name=key3name type=Date>Key 3</key>
+ * <key name=key4name type=Int>key 4</key>
+ * </header>
+ * <record> 
+ * <key_name>string</key_name>
+ * <key4name>int</key4name>
+ * <key2name>string</key2name>
+ * </record>
+ * <record>
+ * ....
+ * </record>
+ * ....
+ * </database>
+ *
+ * There is some room for improvment mostly around using better checking 
+ * and the use of more advanced xml features.
+ */
+
+#ifndef __XMLSOURCE_H__
+#define __XMLSOURCE_H__
+
+#include <qxml.h>
+#include <qstring.h>
+#include <qstringlist.h>
+#include <qstack.h>
+#include <qdict.h>
+#include "datacache.h"
+#include "common.h"
+
+
+class DBXml : public DBAccess
+{
+public:
+    /* create connection and either open or initialize */
+    DBXml(DBStore *d);
+    QString type();
+    bool openSource(QIODevice *);
+    bool saveSource(QIODevice *);
+    /* does a db write */
+    ~DBXml();
+};
+
+
+class DBXmlHandler : public QXmlDefaultHandler
+{
+
+public:
+	DBXmlHandler(DBStore *ds);
+	virtual ~DBXmlHandler();
+
+	// return the error protocol if parsing failed
+	QString errorProtocol();
+
+	// overloaded handler functions
+	bool startDocument();
+	bool startElement(const QString& namespaceURI, const QString& localName,
+					const QString& qName, const QXmlAttributes& atts);
+	bool endElement(const QString& namespaceURI, const QString& localName,
+					const QString& qName);
+	bool characters(const QString& ch);
+
+	QString errorString();
+
+	bool warning(const QXmlParseException& exception);
+	bool error(const QXmlParseException& exception);
+	bool fatalError(const QXmlParseException& exception);
+
+private:
+
+	QStack<QString> stack;
+    KeyList *current_keyrep;
+    DataElem *current_data;
+    TVVariant::KeyType last_key_type;
+
+	QString errorProt;
+	DBStore *data_store;
+
+	enum State {
+		StateInit,
+        StateHeader,
+        StateKey,
+		StateDocument,
+		StateRecord,
+		StateField
+	};
+
+	State state;
+
+    QDict<int> keyIndexList;
+	int keyIndex;
+    QString key;
+};
+
+#endif
--
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