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/*
SPDX-FileCopyrightText: 2005 Cornelius Schumacher <schumacher@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "searchhandler.h"
#include "docentry.h"
#include "khc_debug.h"
#include <KConfigGroup>
#include <KDesktopFile>
#include <KIO/TransferJob>
#include <KLocalizedString>
#include <KProcess>
#include <KShell>
#include <prefs.h>
using namespace KHC;
SearchJob::SearchJob(DocEntry *entry)
: mEntry(entry)
{
}
bool SearchJob::startLocal(const QString &cmdString)
{
mProcess = new KProcess;
*mProcess << KShell::splitArgs(cmdString);
connect(mProcess, QOverload<int, QProcess::ExitStatus>::of(&KProcess::finished), this, &SearchJob::searchExited);
mProcess->setOutputChannelMode(KProcess::SeparateChannels);
mProcess->start();
if (!mProcess->waitForStarted()) {
const QString txt = i18n("Error executing search command '%1'.", cmdString);
Q_EMIT searchError(this, mEntry, txt);
return false;
}
return true;
}
bool SearchJob::startRemote(const QString &urlString)
{
KIO::TransferJob *job = KIO::get(QUrl(urlString));
connect(job, &KIO::TransferJob::result, this, &SearchJob::slotJobResult);
connect(job, &KIO::TransferJob::data, this, &SearchJob::slotJobData);
mKioJob = job;
return true;
}
SearchJob::~SearchJob()
{
delete mProcess;
delete mKioJob;
}
void SearchJob::searchExited(int exitCode, QProcess::ExitStatus exitStatus)
{
if (exitStatus == QProcess::NormalExit && exitCode == 0) {
mResult = QString::fromUtf8(mProcess->readAllStandardOutput());
Q_EMIT searchFinished(this, mEntry, mResult);
} else {
mError = QString::fromUtf8(mProcess->readAllStandardError());
QString error = QLatin1String("<em>") + mCmd + QLatin1String("</em>\n") + mError;
Q_EMIT searchError(this, mEntry, error);
}
}
void SearchJob::slotJobResult(KJob *job)
{
if (job->error()) {
Q_EMIT searchError(this, mEntry, i18n("Error: %1", job->errorString()));
} else {
Q_EMIT searchFinished(this, mEntry, mResult);
}
}
void SearchJob::slotJobData(KIO::Job *job, const QByteArray &data)
{
Q_UNUSED(job);
mResult += QString::fromUtf8(data.data());
}
SearchHandler::SearchHandler(const KConfigGroup &cg)
: mLang(QLocale().bcp47Name().left(2))
, mDocumentTypes(cg.readEntry("DocumentTypes", QStringList()))
{
}
SearchHandler::~SearchHandler()
{
}
SearchHandler *SearchHandler::initFromFile(const QString &filename)
{
KDesktopFile file(filename);
KConfigGroup dg = file.desktopGroup();
SearchHandler *handler = nullptr;
handler = new ExternalProcessSearchHandler(dg);
return handler;
}
QStringList SearchHandler::documentTypes() const
{
return mDocumentTypes;
}
ExternalProcessSearchHandler::ExternalProcessSearchHandler(const KConfigGroup &cg)
: SearchHandler(cg)
, mSearchCommand(cg.readEntry("SearchCommand"))
, mSearchUrl(cg.readEntry("SearchUrl"))
, mSearchBinary(cg.readEntry("SearchBinary"))
, mIndexCommand(cg.readEntry("IndexCommand"))
, mTryExec(cg.readEntry("TryExec"))
{
const QStringList searchBinaryPaths = cg.readEntry("SearchBinaryPaths", QStringList());
mSearchBinary = QStandardPaths::findExecutable(mSearchBinary, searchBinaryPaths);
}
QString ExternalProcessSearchHandler::indexCommand(const QString &identifier) const
{
QString cmd = mIndexCommand;
cmd.replace(QStringLiteral("%i"), identifier);
cmd.replace(QStringLiteral("%d"), Prefs::indexDirectory());
cmd.replace(QStringLiteral("%l"), mLang);
return cmd;
}
bool ExternalProcessSearchHandler::checkPaths(QString *error) const
{
if (!mSearchCommand.isEmpty() && !checkBinary(mSearchCommand)) {
*error = i18n("'%1' not found, check your installation", mSearchCommand);
return false;
}
if (!mIndexCommand.isEmpty() && !checkBinary(mIndexCommand)) {
*error = i18n("'%1' not found, check your installation", mIndexCommand);
return false;
}
if (!mTryExec.isEmpty() && !checkBinary(mTryExec)) {
*error = i18n("'%1' not found, install the package containing it", mTryExec);
return false;
}
return true;
}
bool ExternalProcessSearchHandler::checkBinary(const QString &cmd) const
{
QString binary;
int pos = cmd.indexOf(QLatin1Char(' '));
if (pos < 0)
binary = cmd;
else
binary = cmd.left(pos);
return !QStandardPaths::findExecutable(binary).isEmpty();
}
void ExternalProcessSearchHandler::search(DocEntry *entry, const QStringList &words, int maxResults, SearchEngine::Operation operation)
{
qCDebug(KHC_LOG) << entry->identifier();
if (!mSearchCommand.isEmpty()) {
const QString cmdString = SearchEngine::substituteSearchQuery(mSearchCommand, entry->identifier(), words, maxResults, operation, mLang, mSearchBinary);
qCDebug(KHC_LOG) << "CMD:" << cmdString;
SearchJob *searchJob = new SearchJob(entry);
connect(searchJob, &SearchJob::searchFinished, this, &ExternalProcessSearchHandler::slotSearchFinished);
connect(searchJob, &SearchJob::searchError, this, &ExternalProcessSearchHandler::slotSearchError);
searchJob->startLocal(cmdString);
} else if (!mSearchUrl.isEmpty()) {
const QString urlString = SearchEngine::substituteSearchQuery(mSearchUrl, entry->identifier(), words, maxResults, operation, mLang, mSearchBinary);
qCDebug(KHC_LOG) << "URL:" << urlString;
SearchJob *searchJob = new SearchJob(entry);
connect(searchJob, &SearchJob::searchFinished, this, &ExternalProcessSearchHandler::slotSearchFinished);
connect(searchJob, &SearchJob::searchError, this, &ExternalProcessSearchHandler::slotSearchError);
searchJob->startRemote(urlString);
} else {
const QString txt = i18n("No search command or URL specified.");
Q_EMIT searchFinished(this, entry, txt);
}
}
void ExternalProcessSearchHandler::slotSearchFinished(SearchJob *job, DocEntry *entry, const QString &result)
{
Q_EMIT searchFinished(this, entry, result);
job->deleteLater();
}
void ExternalProcessSearchHandler::slotSearchError(SearchJob *job, DocEntry *entry, const QString &error)
{
Q_EMIT searchError(this, entry, error);
job->deleteLater();
}
#include "moc_searchhandler.cpp"
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