1 files changed, 160 insertions, 0 deletions
diff --git a/src/common/global/xml_data_file.cpp b/src/common/global/xml_data_file.cpp
new file mode 100644
index 0000000..2464b34
--- /dev/null
+++ b/src/common/global/xml_data_file.cpp
@@ -0,0 +1,160 @@
+/***************************************************************************
+ *   Copyright (C) 2005-2006 Nicolas Hadacek <hadacek@kde.org>             *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ ***************************************************************************/
+#include "xml_data_file.h"
+
+#include <qfile.h>
+#include <qstringlist.h>
+#include <ksimpleconfig.h>
+#include <klocale.h>
+#include "common/global/pfile.h"
+
+XmlDataFile::XmlDataFile(const PURL::Url &url, const QString &name)
+  : _url(url), _name(name), _document(name)
+{
+  QDomElement root = _document.createElement(name);
+  _document.appendChild(root);
+}
+
+bool XmlDataFile::load(QString &error)
+{
+  Log::StringView sview;
+  PURL::File file(_url, sview);
+  if ( !file.openForRead() ) {
+    error = i18n("Error opening file: %1").arg(sview.string());
+    return false;
+  }
+  if ( !_document.setContent(file.qfile(), false, &error) ) return false;
+  if ( _document.doctype().name()!=_name
+       || _document.documentElement().nodeName()!=_name ) {
+    error = i18n("File is not of correct type.");
+    return false;
+  }
+  return true;
+}
+
+bool XmlDataFile::save(QString &error) const
+{
+  Log::StringView sview;
+  PURL::File file(_url, sview);
+  bool ok = file.openForWrite();
+  if (ok) {
+    QString s = _document.toString(2);
+    file.appendText(s);
+    ok = file.close();
+  }
+  if ( !ok ) error = i18n("Error saving file: %1").arg(sview.string());
+  return ok;
+}
+
+QDomElement XmlDataFile::findChildElement(QDomElement parent, const QString &name) const
+{
+  QDomNodeList list = parent.elementsByTagName(name);
+  return list.item(0).toElement();
+}
+
+QDomElement XmlDataFile::createChildElement(QDomElement parent, const QString &name)
+{
+  QDomNodeList list = parent.elementsByTagName(name);
+  if ( list.count()==0 ) {
+    QDomElement element = _document.createElement(name);
+    parent.appendChild(element);
+    return element;
+  }
+  return list.item(0).toElement();
+}
+
+void XmlDataFile::removeChilds(QDomNode parent) const
+{
+  QDomNodeList list = parent.childNodes();
+  for (uint i=0; i<list.count(); i++)
+    parent.removeChild(list.item(i));
+}
+
+QString XmlDataFile::value(const QString &group, const QString &key, const QString &defValue) const
+{
+  QDomElement root = _document.documentElement();
+  QDomElement groupElement = findChildElement(root, group);
+  if ( groupElement.isNull() ) return defValue;
+  QDomElement element = findChildElement(groupElement, key);
+  if ( element.isNull() ) return defValue;
+  QDomText text = element.firstChild().toText();
+  if ( text.isNull() ) return defValue;
+  return text.data();
+}
+
+void XmlDataFile::setValue(const QString &group, const QString &key, const QString &value)
+{
+  QDomElement root = _document.documentElement();
+  QDomElement groupElement = createChildElement(root, group);
+  QDomElement element = createChildElement(groupElement, key);
+  removeChilds(element);
+  QDomText text = _document.createTextNode(value);
+  element.appendChild(text);
+}
+
+QStringList XmlDataFile::listValues(const QString &group, const QString &key, const QStringList &defaultValues) const
+{
+  QStringList list;
+  QDomElement root = _document.documentElement();
+  QDomElement groupElement = findChildElement(root, group);
+  if ( groupElement.isNull() ) return defaultValues;
+  QDomElement element = findChildElement(groupElement, key);
+  if ( element.isNull() ) return defaultValues;
+  QDomNodeList childs = element.childNodes();
+  if ( childs.count()==1 ) { // legacy compatibility
+    QDomText text = element.firstChild().toText();
+    if ( !text.isNull() ) return text.data();
+  }
+  for (uint i=0; i<childs.count(); i++) {
+    QDomText text = childs.item(i).toElement().firstChild().toText();
+    if ( text.isNull() ) continue;
+    list.append(text.data());
+  }
+  return list;
+}
+
+void XmlDataFile::appendListValue(const QString &group, const QString &key, const QString &value)
+{
+  QDomElement root = _document.documentElement();
+  QDomElement groupElement = createChildElement(root, group);
+  QDomElement element = createChildElement(groupElement, key);
+  QDomElement item = _document.createElement("item");
+  element.appendChild(item);
+  QDomText text = _document.createTextNode(value);
+  item.appendChild(text);
+}
+
+void XmlDataFile::removeListValue(const QString &group, const QString &key, const QString &value)
+{
+  QDomElement root = _document.documentElement();
+  QDomElement groupElement = createChildElement(root, group);
+  QDomElement element = createChildElement(groupElement, key);
+  QDomNodeList list = element.childNodes();
+  for (uint i=0; i<list.count(); i++) {
+    QDomElement item = list.item(i).toElement();
+    QDomText text = item.firstChild().toText();
+    if ( text.isNull() || text.data()!=value ) continue;
+    element.removeChild(item);
+    break;
+  }
+}
+
+void XmlDataFile::clearList(const QString &group, const QString &key)
+{
+  QDomElement root = _document.documentElement();
+  QDomElement groupElement = createChildElement(root, group);
+  QDomElement element = createChildElement(groupElement, key);
+  groupElement.removeChild(element);
+}
+
+void XmlDataFile::setListValues(const QString &group, const QString &key, const QStringList &values)
+{
+  clearList(group, key);
+  for (uint i=0; i<values.count(); i++) appendListValue(group, key, values[i]);
+}