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/*
SPDX-FileCopyrightText: 2009 Aleix Pol <aleixpol@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "cmakecommandscontents.h"
#include <interfaces/iruntimecontroller.h>
#include <interfaces/iruntime.h>
#include <interfaces/icore.h>
#include <interfaces/idocumentation.h>
#include <interfaces/idocumentationcontroller.h>
#include "cmakebuilderconfig.h"
#include "cmakedoc.h"
#include <QProcess>
#include <KLocalizedString>
#include <array>
static const std::array<QString, 6> args = {
QStringLiteral("--help-command"),
QStringLiteral("--help-variable"),
QStringLiteral("--help-module"),
QStringLiteral("--help-property"),
QStringLiteral("--help-policy"),
QString(),
};
static const std::array<QString, 5> modules = {
i18nc("@item cmake", "Commands"),
i18nc("@item cmake", "Variables"),
i18nc("@item cmake", "Modules"),
i18nc("@item cmake", "Properties"),
i18nc("@item cmake", "Policies"),
};
CMakeCommandsContents::CMakeCommandsContents(QObject* parent)
: QAbstractItemModel(parent)
, m_namesForType(CMakeDocumentation::EOType)
{
for (int i = 0; i <= CMakeDocumentation::Policy; ++i) {
const QStringList params = { args[i]+QStringLiteral("-list") };
auto* process = new QProcess(this);
process->setProperty("type", i);
process->setProgram(CMakeBuilderSettings::self()->cmakeExecutable().toLocalFile());
process->setArguments(params);
KDevelop::ICore::self()->runtimeController()->currentRuntime()->startProcess(process);
connect(process, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished),
this, &CMakeCommandsContents::processOutput);
}
}
void CMakeCommandsContents::processOutput(int code)
{
auto* process = qobject_cast<QProcess*>(sender());
if (code!=0) {
qDebug() << "failed" << process;
return;
}
const CMakeDocumentation::Type type = CMakeDocumentation::Type(process->property("type").toInt());
QTextStream stream(process);
QString line = stream.readLine(); //discard first line
QVector<QString> names;
while(stream.readLineInto(&line)) {
names += line;
}
beginInsertRows(index(type, 0, {}), 0, names.count()-1);
for (auto& name : std::as_const(names)) {
m_typeForName.insert(name, type);
}
m_namesForType[type] = names;
endInsertRows();
}
CMakeDocumentation::Type CMakeCommandsContents::typeFor(const QString& identifier) const
{
//TODO can do much better
if(m_typeForName.contains(identifier)) {
return m_typeForName[identifier];
} else if(m_typeForName.contains(identifier.toLower())) {
return m_typeForName[identifier.toLower()];
} else if(m_typeForName.contains(identifier.toUpper())) {
return m_typeForName[identifier.toUpper()];
}
return CMakeDocumentation::EOType;
}
QString CMakeCommandsContents::descriptionForIdentifier(const QString& id, CMakeDocumentation::Type t) const
{
QString desc;
if(args[t].size() != 0) {
desc = CMake::executeProcess(CMakeBuilderSettings::self()->cmakeExecutable().toLocalFile(), { args[t], id.simplified() });
desc.remove(QLatin1String(":ref:"));
const QString rst2html = QStandardPaths::findExecutable(QStringLiteral("rst2html"));
if (rst2html.isEmpty()) {
desc = (QLatin1String("<html><body><pre><code>") + desc.toHtmlEscaped() + QLatin1String("</code></pre>")
+ i18n("<p>For better CMake documentation rendering, install rst2html.</p>")
+ QLatin1String("</body></html>"));
} else {
QProcess p;
p.start(rst2html, { QStringLiteral("--no-toc-backlinks"), QStringLiteral("--quiet") });
p.write(desc.toUtf8());
p.closeWriteChannel();
p.waitForFinished();
desc = QString::fromUtf8(p.readAllStandardOutput());
}
}
return desc;
}
void CMakeCommandsContents::showItemAt(const QModelIndex& idx) const
{
if(idx.isValid() && int(idx.internalId())>=0) {
QString desc=CMakeDoc::s_provider->descriptionForIdentifier(idx.data().toString(),
(ICMakeDocumentation::Type) idx.parent().row());
CMakeDoc::Ptr doc(new CMakeDoc(idx.data().toString(), desc));
KDevelop::ICore::self()->documentationController()->showDocumentation(doc);
}
}
QModelIndex CMakeCommandsContents::parent(const QModelIndex& child) const
{
if(child.isValid() && child.column()==0 && int(child.internalId())>=0)
return createIndex(child.internalId(),0, -1);
return QModelIndex();
}
QModelIndex CMakeCommandsContents::index(int row, int column, const QModelIndex& parent) const
{
if(row<0 || column!=0)
return QModelIndex();
if(!parent.isValid() && row==ICMakeDocumentation::EOType)
return QModelIndex();
return createIndex(row,column, int(parent.isValid() ? parent.row() : -1));
}
int CMakeCommandsContents::rowCount(const QModelIndex& parent) const
{
if(!parent.isValid())
return ICMakeDocumentation::EOType;
else if(int(parent.internalId())<0) {
int ss=names((ICMakeDocumentation::Type) parent.row()).size();
return ss;
}
return 0;
}
QVariant CMakeCommandsContents::data(const QModelIndex& index, int role) const
{
if (index.isValid()) {
if(role==Qt::DisplayRole) {
int internal(index.internalId());
if(internal>=0)
return m_namesForType[internal].count() > index.row() ? QVariant(m_namesForType[internal].at(index.row())) : QVariant();
else
return modules[index.row()];
}
}
return QVariant();
}
int CMakeCommandsContents::columnCount(const QModelIndex& /*parent*/) const
{
return 1;
}
QVector<QString> CMakeCommandsContents::names(ICMakeDocumentation::Type t) const
{
return m_namesForType[t];
}
#include "moc_cmakecommandscontents.cpp"
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