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368 lines
11 KiB
368 lines
11 KiB
/***************************************************************************
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* Copyright (C) 2001-2002 by Bernd Gehrmann *
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* bernd@kdevelop.org *
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* default support: Eray Ozkural (exa) *
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* additions: John Firebaugh <jfirebaugh@kde.org> *
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* Jakob Simon-Gaarde <jakob@simon-gaarde.dk> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "domutil.h"
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#include <kdebug.h>
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#include <tqstringlist.h>
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#include <tqfile.h>
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void DomUtil::makeEmpty( TQDomElement& e )
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{
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while( !e.firstChild().isNull() )
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e.removeChild( e.firstChild() );
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}
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TQDomElement DomUtil::elementByPath(const TQDomDocument &doc, const TQString &path)
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{
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TQStringList l = TQStringList::split('/', path);
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TQDomElement el;
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if(&doc) el = doc.documentElement();
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TQStringList::ConstIterator it;
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for (it = l.begin(); it != l.end(); ++it) {
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el = el.namedItem(*it).toElement();
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}
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return el;
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}
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TQString DomUtil::readEntry(const TQDomDocument &doc, const TQString &path, const TQString &defaultEntry)
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{
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TQDomElement el = elementByPath(doc, path);
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if (el.isNull())
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return defaultEntry;
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else
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return el.firstChild().toText().data();
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}
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/// @todo consider whether it's okay to accept empty string == default value
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/// if not use the below type
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///typedef pair<bool,TQString> EltInfo;
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TQString DomUtil::readEntryAux(const TQDomDocument &doc, const TQString &path)
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{
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TQDomElement el = elementByPath(doc, path);
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if (el.isNull())
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return TQString();
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else
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return el.firstChild().toText().data();
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}
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int DomUtil::readIntEntry(const TQDomDocument &doc, const TQString &path, int defaultEntry)
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{
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TQString entry = readEntryAux(doc, path);
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if (entry.isNull())
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return defaultEntry;
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else
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return entry.toInt();
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}
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bool DomUtil::readBoolEntry(const TQDomDocument &doc, const TQString &path, bool defaultEntry)
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{
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TQString entry = readEntryAux(doc, path);
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if (entry.isNull())
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return defaultEntry;
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else
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return entry == "TRUE" || entry == "true";
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}
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TQStringList DomUtil::readListEntry(const TQDomDocument &doc, const TQString &path, const TQString &tag)
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{
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TQStringList list;
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TQDomElement el = elementByPath(doc, path);
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TQDomElement subEl = el.firstChild().toElement();
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while (!subEl.isNull()) {
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if (subEl.tagName() == tag)
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list << subEl.firstChild().toText().data();
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subEl = subEl.nextSibling().toElement();
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}
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return list;
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}
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DomUtil::PairList DomUtil::readPairListEntry(const TQDomDocument &doc, const TQString &path, const TQString &tag,
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const TQString &firstAttr, const TQString &secondAttr)
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{
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PairList list;
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TQDomElement el = elementByPath(doc, path);
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TQDomElement subEl = el.firstChild().toElement();
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while (!subEl.isNull()) {
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if (subEl.tagName() == tag) {
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TQString first = subEl.attribute(firstAttr);
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TQString second = subEl.attribute(secondAttr);
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list << Pair(first, second);
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}
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subEl = subEl.nextSibling().toElement();
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}
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return list;
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}
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TQMap<TQString, TQString> DomUtil::readMapEntry(const TQDomDocument &doc, const TQString& path)
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{
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TQMap<TQString, TQString> map;
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TQDomElement el = elementByPath(doc, path);
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TQDomElement subEl = el.firstChild().toElement();
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while (!subEl.isNull()) {
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map[subEl.tagName()] = subEl.firstChild().toText().data();
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subEl = subEl.nextSibling().toElement();
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}
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return map;
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}
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TQDomElement DomUtil::namedChildElement( TQDomElement& el, const TQString& name )
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{
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TQDomElement child = el.namedItem( name ).toElement();
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if (child.isNull()) {
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child = el.ownerDocument().createElement( name );
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el.appendChild(child);
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}
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return child;
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}
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TQDomElement DomUtil::createElementByPath(TQDomDocument &doc, const TQString &path)
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{
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TQStringList l = TQStringList::split('/', path);
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TQDomElement el;
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if(&doc) el = doc.documentElement();
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TQStringList::ConstIterator it;
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for (it = l.begin(); it != l.end(); ++it)
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el = DomUtil::namedChildElement( el, *it );
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while (!el.firstChild().isNull())
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el.removeChild(el.firstChild());
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return el;
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}
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void DomUtil::writeEntry(TQDomDocument &doc, const TQString &path, const TQString &value)
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{
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TQDomElement el = createElementByPath(doc, path);
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el.appendChild(doc.createTextNode(value));
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}
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void DomUtil::writeMapEntry(TQDomDocument &doc, const TQString &path, const TQMap<TQString, TQString> &map)
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{
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TQString basePath( path + "/" );
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TQMap<TQString,TQString>::ConstIterator it;
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for (it = map.begin(); it != map.end(); ++it)
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{
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kdDebug( 9010 ) << "writing " << basePath << ";" << it.key() << ";" << it.data() << endl;
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if( ! it.key().isEmpty() )
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writeEntry(doc, basePath + it.key(), it.data() );
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}
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}
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void DomUtil::writeIntEntry(TQDomDocument &doc, const TQString &path, int value)
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{
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writeEntry(doc, path, TQString::number(value));
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}
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void DomUtil::writeBoolEntry(TQDomDocument &doc, const TQString &path, bool value)
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{
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writeEntry(doc, path, value? "true" : "false");
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}
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void DomUtil::writeListEntry(TQDomDocument &doc, const TQString &path, const TQString &tag,
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const TQStringList &value)
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{
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TQDomElement el = createElementByPath(doc, path);
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TQStringList::ConstIterator it;
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for (it = value.begin(); it != value.end(); ++it) {
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TQDomElement subEl = doc.createElement(tag);
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subEl.appendChild(doc.createTextNode(*it));
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el.appendChild(subEl);
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}
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}
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void DomUtil::writePairListEntry(TQDomDocument &doc, const TQString &path, const TQString &tag,
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const TQString &firstAttr, const TQString &secondAttr,
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const PairList &value)
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{
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TQDomElement el = createElementByPath(doc, path);
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PairList::ConstIterator it;
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for (it = value.begin(); it != value.end(); ++it) {
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TQDomElement subEl = doc.createElement(tag);
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subEl.setAttribute(firstAttr, (*it).first);
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subEl.setAttribute(secondAttr, (*it).second);
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el.appendChild(subEl);
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}
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}
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DomPath DomUtil::resolvPathStringExt(const TQString pathstring)
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{
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// parse path
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unsigned int i;
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TQStringList pathParts = TQStringList::split('/',pathstring);
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DomPath dompath;
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for (i=0; i<pathParts.count(); i++)
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{
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TQStringList pathElemParts = TQStringList::split('|',pathParts[i],TRUE);
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DomPathElement dompathelem;
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dompathelem.tagName = pathElemParts[0].simplifyWhiteSpace();
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if (pathElemParts.count()>1)
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{
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// handle attributes
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TQStringList attrParts = TQStringList::split(';',pathElemParts[1]);
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for (unsigned int j=0; j<attrParts.count(); j++)
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{
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TQStringList attribSet = TQStringList::split('=',attrParts[j]);
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if (attribSet.count()<2)
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continue;
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DomAttribute domattribute;
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domattribute.name = attribSet[0].simplifyWhiteSpace();
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domattribute.value = attribSet[1].simplifyWhiteSpace();
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dompathelem.attribute.append(domattribute);
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}
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}
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if (pathElemParts.count()>2)
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dompathelem.matchNumber = pathElemParts[2].toInt();
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else
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dompathelem.matchNumber = 0; // or else the first
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dompath.append(dompathelem);
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}
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return dompath;
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}
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#define rightchild !wrongchild
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TQDomElement DomUtil::elementByPathExt(TQDomDocument &doc, const TQString &pathstring)
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{
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DomPath dompath = resolvPathStringExt(pathstring);
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TQDomElement elem = doc.documentElement();
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TQDomNodeList children;
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TQDomElement nextElem = elem;
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for (unsigned int j=0; j<dompath.count(); j++)
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{
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children = nextElem.childNodes();
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DomPathElement dompathelement= dompath[j];
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bool wrongchild = false;
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int matchCount = 0;
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for (unsigned int i=0; i<children.count(); i++)
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{
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wrongchild = false;
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TQDomElement child = children.item(i).toElement();
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TQString tag = child.tagName();
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tag = dompathelement.tagName;
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if (child.tagName() == dompathelement.tagName)
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{
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for (unsigned int k=0; k<dompathelement.attribute.count(); k++)
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{
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DomAttribute domattribute = dompathelement.attribute[k];
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TQDomAttr domattr = child.attributeNode(domattribute.name);
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if (domattr.isNull() ||
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domattr.value() != domattribute.value)
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{
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wrongchild = true;
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break;
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}
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}
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}
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else
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wrongchild=true;
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if (rightchild)
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{
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if (dompathelement.matchNumber == matchCount++)
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{
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nextElem = child;
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break;
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}
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}
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}
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if (wrongchild)
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{
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TQDomElement nullDummy;
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nullDummy.clear();
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return nullDummy;
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}
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}
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return nextElem;
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}
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bool DomUtil::openDOMFile(TQDomDocument &doc, TQString filename)
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{
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TQFile file( filename );
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if ( !file.open( IO_ReadOnly ) )
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return false;
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if ( !doc.setContent( &file ) ) {
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file.close();
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return false;
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}
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file.close();
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return true;
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}
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bool DomUtil::saveDOMFile(TQDomDocument &doc, TQString filename)
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{
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TQFile file( filename );
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if ( !file.open( IO_ReadWrite | IO_Truncate ) )
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return false;
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TQTextStream t( &file );
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t << doc.toString();
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file.close();
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return true;
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}
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bool DomUtil::removeTextNodes(TQDomDocument doc,TQString pathExt)
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{
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TQDomElement elem = elementByPathExt(doc,pathExt);
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if (elem.isNull())
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return false;
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TQDomNodeList children = elem.childNodes();
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for (unsigned int i=0;i<children.count();i++)
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if (children.item(i).isText())
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elem.removeChild(children.item(i));
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return true;
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}
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bool DomUtil::appendText(TQDomDocument doc, TQString pathExt, TQString text)
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{
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TQDomElement elem = elementByPathExt(doc,pathExt);
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if (elem.isNull())
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return false;
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elem.appendChild(doc.createTextNode(text));
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return true;
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}
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bool DomUtil::replaceText(TQDomDocument doc, TQString pathExt, TQString text)
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{
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if (removeTextNodes(doc,pathExt) &&
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appendText(doc,pathExt,text))
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return true;
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else
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return false;
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}
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