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/***************************************************************************
* 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 <tqfile.h>
#include <tqstringlist.h>
#include <ksimpleconfig.h>
#include <klocale.h>
#include "common/global/pfile.h"
XmlDataFile::XmlDataFile(const PURL::Url &url, const TQString &name)
: _url(url), _name(name), _document(name)
{
TQDomElement root = _document.createElement(name);
_document.appendChild(root);
}
bool XmlDataFile::load(TQString &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(TQString &error) const
{
Log::StringView sview;
PURL::File file(_url, sview);
bool ok = file.openForWrite();
if (ok) {
TQString s = _document.toString(2);
file.appendText(s);
ok = file.close();
}
if ( !ok ) error = i18n("Error saving file: %1").arg(sview.string());
return ok;
}
TQDomElement XmlDataFile::findChildElement(TQDomElement parent, const TQString &name) const
{
TQDomNodeList list = parent.elementsByTagName(name);
return list.item(0).toElement();
}
TQDomElement XmlDataFile::createChildElement(TQDomElement parent, const TQString &name)
{
TQDomNodeList list = parent.elementsByTagName(name);
if ( list.count()==0 ) {
TQDomElement element = _document.createElement(name);
parent.appendChild(element);
return element;
}
return list.item(0).toElement();
}
void XmlDataFile::removeChilds(TQDomNode parent) const
{
TQDomNodeList list = parent.childNodes();
for (uint i=0; i<list.count(); i++)
parent.removeChild(list.item(i));
}
TQString XmlDataFile::value(const TQString &group, const TQString &key, const TQString &defValue) const
{
TQDomElement root = _document.documentElement();
TQDomElement groupElement = findChildElement(root, group);
if ( groupElement.isNull() ) return defValue;
TQDomElement element = findChildElement(groupElement, key);
if ( element.isNull() ) return defValue;
TQDomText text = element.firstChild().toText();
if ( text.isNull() ) return defValue;
return text.data();
}
void XmlDataFile::setValue(const TQString &group, const TQString &key, const TQString &value)
{
TQDomElement root = _document.documentElement();
TQDomElement groupElement = createChildElement(root, group);
TQDomElement element = createChildElement(groupElement, key);
removeChilds(element);
TQDomText text = _document.createTextNode(value);
element.appendChild(text);
}
TQStringList XmlDataFile::listValues(const TQString &group, const TQString &key, const TQStringList &defaultValues) const
{
TQStringList list;
TQDomElement root = _document.documentElement();
TQDomElement groupElement = findChildElement(root, group);
if ( groupElement.isNull() ) return defaultValues;
TQDomElement element = findChildElement(groupElement, key);
if ( element.isNull() ) return defaultValues;
TQDomNodeList childs = element.childNodes();
if ( childs.count()==1 ) { // legacy compatibility
TQDomText text = element.firstChild().toText();
if ( !text.isNull() ) return text.data();
}
for (uint i=0; i<childs.count(); i++) {
TQDomText text = childs.item(i).toElement().firstChild().toText();
if ( text.isNull() ) continue;
list.append(text.data());
}
return list;
}
void XmlDataFile::appendListValue(const TQString &group, const TQString &key, const TQString &value)
{
TQDomElement root = _document.documentElement();
TQDomElement groupElement = createChildElement(root, group);
TQDomElement element = createChildElement(groupElement, key);
TQDomElement item = _document.createElement("item");
element.appendChild(item);
TQDomText text = _document.createTextNode(value);
item.appendChild(text);
}
void XmlDataFile::removeListValue(const TQString &group, const TQString &key, const TQString &value)
{
TQDomElement root = _document.documentElement();
TQDomElement groupElement = createChildElement(root, group);
TQDomElement element = createChildElement(groupElement, key);
TQDomNodeList list = element.childNodes();
for (uint i=0; i<list.count(); i++) {
TQDomElement item = list.item(i).toElement();
TQDomText text = item.firstChild().toText();
if ( text.isNull() || text.data()!=value ) continue;
element.removeChild(item);
break;
}
}
void XmlDataFile::clearList(const TQString &group, const TQString &key)
{
TQDomElement root = _document.documentElement();
TQDomElement groupElement = createChildElement(root, group);
TQDomElement element = createChildElement(groupElement, key);
groupElement.removeChild(element);
}
void XmlDataFile::setListValues(const TQString &group, const TQString &key, const TQStringList &values)
{
clearList(group, key);
for (uint i=0; i<values.count(); i++) appendListValue(group, key, values[i]);
}
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