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/***************************************************************************
* Copyright 2013-2014 Maciej Poleski *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 2 of *
* the License or (at your option) version 3 or any later version *
* accepted by the membership of KDE e.V. (or its successor approved *
* by the membership of KDE e.V.), which shall act as a proxy *
* defined in Section 14 of version 3 of the license. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#include "bzrannotatejob.h"
#include <functional>
#include <QTimer>
#include <QDateTime>
#include <QDir>
#include <vcs/dvcs/dvcsjob.h>
#include <vcs/vcsannotation.h>
#include <vcs/vcsrevision.h>
#include <interfaces/iplugin.h>
using namespace KDevelop;
BzrAnnotateJob::BzrAnnotateJob(const QDir& workingDir, const QString& revisionSpec, const QUrl& localLocation, KDevelop::IPlugin* parent, KDevelop::OutputJob::OutputJobVerbosity verbosity)
: VcsJob(parent, verbosity), m_workingDir(workingDir), m_revisionSpec(revisionSpec), m_localLocation(localLocation), m_vcsPlugin(parent), m_status(KDevelop::VcsJob::JobNotStarted)
{
setType(JobType::Annotate);
setCapabilities(Killable);
}
bool BzrAnnotateJob::doKill()
{
m_status = KDevelop::VcsJob::JobCanceled;
if (m_job)
return m_job->kill(KJob::Quietly);
else
return true;
}
void BzrAnnotateJob::start()
{
if (m_status != KDevelop::VcsJob::JobNotStarted)
return;
auto* job = new KDevelop::DVcsJob(m_workingDir, m_vcsPlugin, KDevelop::OutputJob::Silent);
*job << "bzr" << "annotate" << "--all" << m_revisionSpec << m_localLocation;
connect(job, &DVcsJob::readyForParsing, this, &BzrAnnotateJob::parseBzrAnnotateOutput);
m_status = VcsJob::JobRunning;
m_job = job;
job->start();
}
void BzrAnnotateJob::parseBzrAnnotateOutput(KDevelop::DVcsJob* job)
{
m_outputLines = job->output().split(QLatin1Char('\n'));
m_currentLine = 0;
if (m_status == KDevelop::VcsJob::JobRunning)
QTimer::singleShot(0, this, &BzrAnnotateJob::parseNextLine);
}
void BzrAnnotateJob::parseNextLine()
{
for(;;)
{
Q_ASSERT(m_currentLine<=m_outputLines.size());
if (m_currentLine == m_outputLines.size()) {
m_status = KDevelop::VcsJob::JobSucceeded;
emitResult();
emit resultsReady(this);
break;
}
QString currentLine = m_outputLines[m_currentLine];
if (currentLine.isEmpty()) {
++m_currentLine;
continue;
}
bool revOk;
auto revision = currentLine.leftRef(currentLine.indexOf(QLatin1Char(' '))).toULong(&revOk);
if (!revOk) {
// Future compatibility - not a revision yet
++m_currentLine;
continue;
}
auto i = m_commits.find(revision);
if (i != m_commits.end()) {
KDevelop::VcsAnnotationLine line;
line.setAuthor(i.value().author());
line.setCommitMessage(i.value().message());
line.setDate(i.value().date());
line.setLineNumber(m_currentLine);
line.setRevision(i.value().revision());
m_results.append(QVariant::fromValue(line));
++m_currentLine;
continue;
} else {
prepareCommitInfo(revision);
break; //Will reenter this function when commit info will be ready
}
}
}
void BzrAnnotateJob::prepareCommitInfo(std::size_t revision)
{
if (m_status != KDevelop::VcsJob::JobRunning)
return;
auto* job = new KDevelop::DVcsJob(m_workingDir, m_vcsPlugin, KDevelop::OutputJob::Silent);
job->setType(KDevelop::VcsJob::Log);
*job << "bzr" << "log" << "--long" << "-r" << QString::number(revision);
connect(job, &DVcsJob::readyForParsing, this, &BzrAnnotateJob::parseBzrLog);
m_job = job;
job->start();
}
/*
* This is slightly different from BazaarUtils::parseBzrLogPart(...).
* This function parses only commit general info. It does not parse signle
* actions. In fact output parsed by this function is slightly different
* from output parsed by BazaarUtils. As a result parsing this output using
* BazaarUtils would yield different results.
* NOTE: This is all about parsing 'message'.
*/
void BzrAnnotateJob::parseBzrLog(KDevelop::DVcsJob* job)
{
const QStringList outputLines = job->output().split(QLatin1Char('\n'));
KDevelop::VcsEvent commitInfo;
int revision=-1;
bool atMessage = false;
QString message;
for (const QString& line : outputLines) {
if (!atMessage) {
if (line.startsWith(QLatin1String("revno"))) {
QString revno = line.mid(QStringLiteral("revno: ").length());
// In future there is possibility that "revno: " will change to
// "revno??". If that's all, then we recover matching only
// "revno" prefix and assuming placeholder of length 2 (": " or
// "??").
// The same below with exception of "committer" which possibly
// can have also some suffix which changes meaning like
// "committer-some_property: "...
revno = revno.left(revno.indexOf(QLatin1Char(' ')));
revision = revno.toInt();
KDevelop::VcsRevision revision;
revision.setRevisionValue(revno.toLongLong(), KDevelop::VcsRevision::GlobalNumber);
commitInfo.setRevision(revision);
} else if (line.startsWith(QLatin1String("committer: "))) {
QString commiter = line.mid(QStringLiteral("committer: ").length());
commitInfo.setAuthor(commiter); // Author goes after committer, but only if is different
} else if (line.startsWith(QLatin1String("author"))) {
QString author = line.mid(QStringLiteral("author: ").length());
commitInfo.setAuthor(author); // It may override committer (In fact committer is not supported by VcsEvent)
} else if (line.startsWith(QLatin1String("timestamp"))) {
const QString formatString = QStringLiteral("yyyy-MM-dd hh:mm:ss");
QString timestamp = line.mid(QStringLiteral("timestamp: ddd ").length(), formatString.length());
commitInfo.setDate(QDateTime::fromString(timestamp, formatString));
} else if (line.startsWith(QLatin1String("message"))) {
atMessage = true;
}
} else {
message += line.trimmed() + QLatin1Char('\n');
}
}
if (atMessage)
commitInfo.setMessage(message.trimmed());
Q_ASSERT(revision!=-1);
m_commits[revision] = commitInfo;
// Invoke from event loop to protect against stack overflow (it could happen
// on very big files with very big history of changes if tail-recursion
// optimization had failed here).
QTimer::singleShot(0, this, &BzrAnnotateJob::parseNextLine);
}
QVariant BzrAnnotateJob::fetchResults()
{
return m_results;
}
KDevelop::VcsJob::JobStatus BzrAnnotateJob::status() const
{
return m_status;
}
KDevelop::IPlugin* BzrAnnotateJob::vcsPlugin() const
{
return m_vcsPlugin;
}
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