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/*
Copyright 2009 David Nolden <david.nolden.kdevelop@art-master.de>
Copyright 2014 Kevin Funk <kfunk@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
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.
*/
#include "staticassistantsmanager.h"
#include <debug.h>
#include <KTextEditor/Document>
#include <KTextEditor/View>
#include <interfaces/icore.h>
#include <interfaces/idocumentcontroller.h>
#include <interfaces/ilanguagecontroller.h>
#include <interfaces/ilanguagesupport.h>
#include <language/duchain/duchainlock.h>
#include <language/duchain/duchain.h>
#include <language/duchain/declaration.h>
#include <language/duchain/duchainutils.h>
#include <language/duchain/problem.h>
#include <language/editor/documentrange.h>
using namespace KDevelop;
using namespace KTextEditor;
class KDevelop::StaticAssistantsManagerPrivate
{
public:
explicit StaticAssistantsManagerPrivate(StaticAssistantsManager* qq)
: q(qq)
{ }
void updateReady(const IndexedString& document, const KDevelop::ReferencedTopDUContext& topContext);
void documentLoaded(KDevelop::IDocument*);
void textInserted(KTextEditor::Document* document, const Cursor& cursor, const QString& text);
void textRemoved(KTextEditor::Document* document, const Range& cursor, const QString& removedText);
StaticAssistantsManager* q;
QVector<StaticAssistant::Ptr> m_registeredAssistants;
};
StaticAssistantsManager::StaticAssistantsManager(QObject* parent)
: QObject(parent)
, d_ptr(new StaticAssistantsManagerPrivate(this))
{
Q_D(StaticAssistantsManager);
connect(KDevelop::ICore::self()->documentController(),
&IDocumentController::documentLoaded,
this, [this](IDocument* document) {
Q_D(StaticAssistantsManager);
d->documentLoaded(document);
});
const auto documents = ICore::self()->documentController()->openDocuments();
for (IDocument* document : documents) {
d->documentLoaded(document);
}
connect(DUChain::self(), &DUChain::updateReady,
this, &StaticAssistantsManager::notifyAssistants);
}
StaticAssistantsManager::~StaticAssistantsManager()
{
}
void StaticAssistantsManager::registerAssistant(const StaticAssistant::Ptr& assistant)
{
Q_D(StaticAssistantsManager);
if (d->m_registeredAssistants.contains(assistant))
return;
d->m_registeredAssistants << assistant;
}
void StaticAssistantsManager::unregisterAssistant(const StaticAssistant::Ptr& assistant)
{
Q_D(StaticAssistantsManager);
d->m_registeredAssistants.removeOne(assistant);
}
QVector<StaticAssistant::Ptr> StaticAssistantsManager::registeredAssistants() const
{
Q_D(const StaticAssistantsManager);
return d->m_registeredAssistants;
}
void StaticAssistantsManagerPrivate::documentLoaded(IDocument* document)
{
if (document->textDocument()) {
auto doc = document->textDocument();
QObject::connect(doc, &KTextEditor::Document::textInserted, q,
[&](KTextEditor::Document* doc, const Cursor& cursor, const QString& text) {
textInserted(doc, cursor, text);
});
QObject::connect(doc, &KTextEditor::Document::textRemoved, q,
[&](KTextEditor::Document* doc, const Range& range, const QString& removedText) {
textRemoved(doc, range, removedText);
});
}
}
void StaticAssistantsManagerPrivate::textInserted(Document* doc, const Cursor& cursor, const QString& text)
{
auto changed = false;
for (auto& assistant : qAsConst(m_registeredAssistants)) {
auto range = Range(cursor, cursor + Cursor(0, text.size()));
auto wasUseful = assistant->isUseful();
assistant->textChanged(doc, range, {});
if (wasUseful != assistant->isUseful()) {
changed = true;
}
}
if (changed) {
Q_EMIT q->problemsChanged(IndexedString(doc->url()));
}
}
void StaticAssistantsManagerPrivate::textRemoved(Document* doc, const Range& range,
const QString& removedText)
{
auto changed = false;
for (auto& assistant : qAsConst(m_registeredAssistants)) {
auto wasUseful = assistant->isUseful();
assistant->textChanged(doc, range, removedText);
if (wasUseful != assistant->isUseful()) {
changed = true;
}
}
if (changed) {
Q_EMIT q->problemsChanged(IndexedString(doc->url()));
}
}
void StaticAssistantsManager::notifyAssistants(const IndexedString& url,
const KDevelop::ReferencedTopDUContext& context)
{
Q_D(StaticAssistantsManager);
for (auto& assistant : qAsConst(d->m_registeredAssistants)) {
assistant->updateReady(url, context);
}
}
QVector<KDevelop::Problem::Ptr> KDevelop::StaticAssistantsManager::problemsForContext(
const KDevelop::ReferencedTopDUContext& top) const
{
Q_D(const StaticAssistantsManager);
View* view = ICore::self()->documentController()->activeTextDocumentView();
if (!view || !top || IndexedString(view->document()->url()) != top->url()) {
return {};
}
auto doc = top->url();
auto language = ICore::self()->languageController()->languagesForUrl(doc.toUrl()).value(0);
if (!language) {
return {};
}
auto ret = QVector<KDevelop::Problem::Ptr>();
qCDebug(LANGUAGE) << "Trying to find assistants for language" << language->name();
for (const auto& assistant : qAsConst(d->m_registeredAssistants)) {
if (assistant->supportedLanguage() != language)
continue;
if (assistant->isUseful()) {
qCDebug(LANGUAGE) << "assistant is now useful:" << assistant.data();
auto p = new KDevelop::StaticAssistantProblem();
auto range = assistant->displayRange();
qCDebug(LANGUAGE) << "range:" << range;
p->setFinalLocation(DocumentRange(doc, range));
p->setSource(KDevelop::IProblem::SemanticAnalysis);
p->setSeverity(KDevelop::IProblem::Warning);
p->setDescription(assistant->title());
p->setSolutionAssistant(IAssistant::Ptr(assistant.data()));
ret.append(KDevelop::Problem::Ptr(p));
}
}
return ret;
}
#include "moc_staticassistantsmanager.cpp"
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