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/* This file is part of the KDE project
Copyright (C) 2003,2004 Ariya Hidayat <ariya@kde.org>
Copyright (C) 2005 Tomas Mecir <mecirt@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; only
version 2 of the License.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
// Local
#include "FunctionRepository.h"
#include "Function.h"
#include "FunctionDescription.h"
#include "FunctionModuleRegistry.h"
#include <QDomElement>
#include <QDomNode>
#include <QFile>
#include <QHash>
#include <kdebug.h>
#include <kglobal.h>
#include <klocale.h>
using namespace Calligra::Sheets;
class FunctionRepository::Private
{
public:
QHash<QString, QSharedPointer<Function> > functions;
QHash<QString, QSharedPointer<Function> > alternates;
QHash<QString, FunctionDescription*> descriptions;
QStringList groups;
bool initialized;
};
FunctionRepository* FunctionRepository::self()
{
K_GLOBAL_STATIC(FunctionRepository, s_instance)
if (!s_instance.exists()) {
*s_instance; // creates the global instance
// register all existing functions
FunctionModuleRegistry::instance()->registerFunctions();
#ifndef NDEBUG
kDebug(36005) << "functions registered:" << s_instance->d->functions.count()
<< "descriptions loaded:" << s_instance->d->descriptions.count();
// Verify, that every function has a description.
QStringList missingDescriptions;
typedef QHash<QString, QSharedPointer<Function> > Functions;
Functions::ConstIterator end = s_instance->d->functions.constEnd();
for (Functions::ConstIterator it = s_instance->d->functions.constBegin(); it != end; ++it) {
if (!s_instance->d->descriptions.contains(it.key()))
missingDescriptions << it.key();
}
if (missingDescriptions.count() > 0) {
kDebug(36005) << "No function descriptions found for:";
foreach(const QString& missingDescription, missingDescriptions) {
kDebug(36005) << "\t" << missingDescription;
}
}
#endif
}
return s_instance;
}
FunctionRepository::FunctionRepository()
: d(new Private)
{
d->initialized = false;
}
FunctionRepository::~FunctionRepository()
{
qDeleteAll(d->descriptions);
delete d;
}
void FunctionRepository::add(const QSharedPointer<Function>& function)
{
if (!function) return;
d->functions.insert(function->name().toUpper(), function);
if (!function->alternateName().isNull()) {
d->alternates.insert(function->alternateName().toUpper(), function);
}
}
void FunctionRepository::add(FunctionDescription *desc)
{
if (!desc) return;
if (!d->functions.contains(desc->name())) return;
d->descriptions.insert(desc->name(), desc);
}
void FunctionRepository::remove(const QSharedPointer<Function>& function)
{
const QString functionName = function->name().toUpper();
delete d->descriptions.take(functionName);
if (d->functions.contains(functionName)) {
QSharedPointer<Function> function = d->functions.take(functionName);
d->alternates.remove(function->alternateName().toUpper());
}
}
QSharedPointer<Function> FunctionRepository::function(const QString& name)
{
const QString n = name.toUpper();
QSharedPointer<Function> f = d->functions.value(n);
return !f.isNull() ? f : d->alternates.value(n);
}
FunctionDescription *FunctionRepository::functionInfo(const QString& name)
{
return d->descriptions.value(name.toUpper());
}
// returns names of function in certain group
QStringList FunctionRepository::functionNames(const QString& group)
{
QStringList lst;
foreach(FunctionDescription* description, d->descriptions) {
if (group.isNull() || (description->group() == group))
lst.append(description->name());
}
lst.sort();
return lst;
}
const QStringList& FunctionRepository::groups() const
{
return d->groups;
}
void FunctionRepository::addGroup(const QString& groupname)
{
d->groups.append(groupname);
d->groups.sort();
}
void FunctionRepository::loadFunctionDescriptions(const QString& filename)
{
QFile file(filename);
if (!file.open(QIODevice::ReadOnly))
return;
QDomDocument doc;
doc.setContent(&file);
file.close();
QString group;
QDomNode n = doc.documentElement().firstChild();
for (; !n.isNull(); n = n.nextSibling()) {
if (!n.isElement())
continue;
QDomElement e = n.toElement();
if (e.tagName() == "Group") {
group = i18n(e.namedItem("GroupName").toElement().text().toUtf8());
addGroup(group);
QDomNode n2 = e.firstChild();
for (; !n2.isNull(); n2 = n2.nextSibling()) {
if (!n2.isElement())
continue;
QDomElement e2 = n2.toElement();
if (e2.tagName() == "Function") {
FunctionDescription* desc = new FunctionDescription(e2);
desc->setGroup(group);
if (d->functions.contains(desc->name()))
d->descriptions.insert(desc->name(), desc);
else {
kDebug(36005) << "Description for unknown function" << desc->name() << "found.";
delete desc;
}
}
}
group.clear();
}
}
}
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