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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2013-01-26 13:17:21 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2013-01-26 13:17:21 -0600
commitdfe289850f068f19ba4a83ab4e7e22a7e09c13c9 (patch)
treec297348a55df66c571de4525646e0b9762427353 /tdespell2/tests/backgroundtest.cpp
parentb7658a0d5eca24a9d37c6e04f88298ef02389db0 (diff)
downloadtdelibs-dfe289850f068f19ba4a83ab4e7e22a7e09c13c9.tar.gz
tdelibs-dfe289850f068f19ba4a83ab4e7e22a7e09c13c9.zip
Rename a number of libraries and executables to avoid conflicts with KDE4
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+/**
+ * backgroundtest.cpp
+ *
+ * Copyright (C) 2004 Zack Rusin <zack@kde.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+#include "backgroundtest.h"
+#include "backgroundtest.moc"
+
+#include "broker.h"
+using namespace KSpell2;
+
+#include <kapplication.h>
+#include <kdebug.h>
+
+const char *text = "Rationale \
+========= \
+ \
+This code is intended to provide an implementation of the W3C's XPath \
+specification for KHTML. XPath isn't particularly useful on its own, however\
+it is an essential building block for the implementation of other standards \
+like XSLT and XQuery. XPath is supported to a greater or lesser extent by both\
+IE and Mozilla so it is likely to become increasingly important over the next\
+few years.\
+ \
+Why write another XPath implementation? \
+======================================= \
+ \
+The are already a number of XPath implementations available under free \
+licenses including Mozilla's, libxml2, Xerces and probably others, so it is \
+reasonable to ask why there should be another one. \
+ \
+It would certainly be possible to integrate one of these implementations into\
+KHTML, but it would actually be quite a lot of work. I looked at all of the\
+implementations mentioned with a view to using this approach before I decided\
+to start from scratch.\
+ \
+Mozilla XPath\
+-------------\
+ \
+Seems to be incomplete, and though the code was originally standalone it now\
+seems to be tied to the mozilla codebase quite tightly. This makes porting it\
+a lot of work, and makes working with the mozilla team on fixing bugs\
+etc. hard as the code bases would have diverged quite a lot.\
+ \
+Xerces XPath (C++ version)\
+--------------------------\
+ \
+The Xerces code seemed pretty clean and was reasonably understandable, however\
+it doesn't seem to be used very much which greatly reduces the utility. As\
+with the mozilla code, porting it to use KHTML's DOM would take a fair bit of \
+work. The main issue here being that Xerces is based around pointers to Nodes\
+rather than implicitly shared Node objects.\
+ \
+libxml2 \
+------- \
+ \
+This is the most obvious library to reuse as it is currently used to generate\
+the KDE documentation, and is also a very complete and fast\
+implementation. The down side of using this code is that it would either need\
+a new DOM implementation in KHTML (which used the libxml2 structures), a \
+wrapper library that made on of the DOM trees support the API of the other, or\
+binding layer that parsed the XML twice and somehow maintained a mapping\
+between the two DOM trees. Unfortunately the documentation of this library is\
+less than great, which would add to the problems.\
+ \
+The C++ wrappers to libxml2 are considerably closer to what I was looking\
+for. They are well documented and have a well structured API. Unfortunately\
+using this library still requires some mechanism to integrate the two\
+underlying DOM implementations.\
+ \
+KHTML XPath\
+----------- \
+ \
+There are some advantages to the XPath implementation Zack and I are working\
+on, namely: \
+ \
+- Ease of integration with the rest of kjs/tdehtml.\
+- Use of dom2 traversal (which will also be available to use directly).\
+- C++ rather than C and a wrapper (reducing the overheads).\
+- The code is clean and uses familiar types and idioms. \
+ \
+We intend the code to be build on top of the DOM api rather than tying it\
+directly to the Qt or KHTML XML implementations. This will allow us to take\
+advantage of any improvements that might be made to the underlying parser\
+etc. The DOM2 traversal APIs provide a set of classes that map almost directly \
+to the XPath location steps, since we need to implement these facilities\
+anyway writing the relatively small amount of code needed to support XPath\
+seems sensible.\
+ \
+Building \
+========\
+ \
+This code needs to live in a subdir off the tdehtml directory in tdelibs. The\
+subdir should be called 'xpath'. The easiest way to regenerate the makefiles\
+is to go to the root of the tdelibs tree and run: \
+ create_makefiles tdehtml/xpath\
+ \
+This code is intended to compile, but not to work.\
+ \
+Usage \
+===== \
+ \
+./test_xpath simple.xml\
+./test_values\
+./test_functions \
+ \
+Notes\
+===== \
+ \
+apidoc Duh! It's the docs \
+working Stuff that i'm mining for ideas\
+\
+Discussion\
+========== \
+ \
+If you want to talk about this code feel free to mail us.";
+
+BackgroundTest::BackgroundTest()
+ : TQObject( 0 )
+{
+ m_checker = new BackgroundChecker( Broker::openBroker(), this );
+ connect( m_checker, TQT_SIGNAL(done()),
+ TQT_SLOT(slotDone()) );
+ connect( m_checker, TQT_SIGNAL(misspelling(const TQString&, int)),
+ TQT_SLOT(slotMisspelling(const TQString&, int)) );
+ m_len = strlen( text );
+ m_checker->checkText( text );
+ m_timer.start();
+}
+
+void BackgroundTest::slotDone()
+{
+ kdDebug()<<"Text of length "<<m_len<<" checked in "
+ << m_timer.elapsed() << " msec."<<endl;
+ TQApplication::exit();
+}
+
+void BackgroundTest::slotMisspelling( const TQString& word, int start )
+{
+ kdDebug()<<"Misspelling \""<< word << "\" at " << start << endl;
+ m_checker->continueChecking();
+}
+
+
+int main( int argc, char** argv )
+{
+ TDEApplication app(argc, argv, "KSpell2Test");
+
+ BackgroundTest test;
+
+ return app.exec();
+}