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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "giteditor.h"
#include "annotationhighlighter.h"
#include "gitconstants.h"
#include "gitplugin.h"
#include "gitclient.h"
#include "gitsettings.h"
#include <QtCore/QTextCodec>
#include <coreplugin/editormanager/editormanager.h>
#include <utils/qtcassert.h>
#include <vcsbase/diffhighlighter.h>
#include <vcsbase/vcsbaseoutputwindow.h>
#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
#include <QtCore/QRegExp>
#include <QtCore/QSet>
#include <QtCore/QTextStream>
#include <QtGui/QTextCursor>
#include <QtGui/QTextEdit>
#include <QtGui/QTextBlock>
#define CHANGE_PATTERN_8C "[a-f0-9]{7,8}"
#define CHANGE_PATTERN_40C "[a-f0-9]{40,40}"
namespace Git {
namespace Internal {
// ------------ GitEditor
GitEditor::GitEditor(const VCSBase::VCSBaseEditorParameters *type,
QWidget *parent) :
VCSBase::VCSBaseEditorWidget(type, parent),
m_changeNumberPattern8(QLatin1String(CHANGE_PATTERN_8C)),
m_changeNumberPattern40(QLatin1String(CHANGE_PATTERN_40C))
{
QTC_ASSERT(m_changeNumberPattern8.isValid(), return);
QTC_ASSERT(m_changeNumberPattern40.isValid(), return);
setAnnotateRevisionTextFormat(tr("Blame %1"));
setAnnotatePreviousRevisionTextFormat(tr("Blame parent revision %1"));
}
QSet<QString> GitEditor::annotationChanges() const
{
QSet<QString> changes;
const QString txt = toPlainText();
if (txt.isEmpty())
return changes;
// Hunt for first change number in annotation: "<change>:"
QRegExp r(QLatin1String("^("CHANGE_PATTERN_8C") "));
QTC_ASSERT(r.isValid(), return changes);
if (r.indexIn(txt) != -1) {
changes.insert(r.cap(1));
r.setPattern(QLatin1String("\n("CHANGE_PATTERN_8C") "));
QTC_ASSERT(r.isValid(), return changes);
int pos = 0;
while ((pos = r.indexIn(txt, pos)) != -1) {
pos += r.matchedLength();
changes.insert(r.cap(1));
}
}
return changes;
}
QString GitEditor::changeUnderCursor(const QTextCursor &c) const
{
QTextCursor cursor = c;
// Any number is regarded as change number.
cursor.select(QTextCursor::WordUnderCursor);
if (!cursor.hasSelection())
return QString();
const QString change = cursor.selectedText();
if (m_changeNumberPattern8.exactMatch(change))
return change;
if (m_changeNumberPattern40.exactMatch(change))
return change;
return QString();
}
VCSBase::DiffHighlighter *GitEditor::createDiffHighlighter() const
{
const QRegExp filePattern(QLatin1String("^(diff --git a/|index |[+-][+-][+-] [ab]).*$"));
return new VCSBase::DiffHighlighter(filePattern);
}
VCSBase::BaseAnnotationHighlighter *GitEditor::createAnnotationHighlighter(const QSet<QString> &changes) const
{
return new GitAnnotationHighlighter(changes);
}
QString GitEditor::fileNameFromDiffSpecification(const QTextBlock &inBlock) const
{
// Check for "+++ b/src/plugins/git/giteditor.cpp" (blame and diff)
// Go back chunks.
const QString newFileIndicator = QLatin1String("+++ b/");
for (QTextBlock block = inBlock; block.isValid(); block = block.previous()) {
QString diffFileName = block.text();
if (diffFileName.startsWith(newFileIndicator)) {
diffFileName.remove(0, newFileIndicator.size());
return findDiffFile(diffFileName, GitPlugin::instance()->versionControl());
}
}
return QString();
}
/* Remove the date specification from annotation, which is tabular:
\code
8ca887aa (author YYYY-MM-DD HH:MM:SS <offset> <line>)<content>
\endcode */
static QByteArray removeAnnotationDate(const QByteArray &b)
{
if (b.isEmpty())
return QByteArray();
const int parenPos = b.indexOf(')');
if (parenPos == -1)
return QByteArray(b);
int datePos = parenPos;
int i = parenPos;
while (i >= 0 && b.at(i) != ' ')
--i;
while (i >= 0 && b.at(i) == ' ')
--i;
int spaceCount = 0;
// i is now on timezone. Go back 3 spaces: That is where the date starts.
while (i >= 0) {
if (b.at(i) == ' ')
++spaceCount;
if (spaceCount == 3) {
datePos = i;
break;
}
--i;
}
if (datePos == 0)
return QByteArray(b);
// Copy over the parts that have not changed into a new byte array
Q_ASSERT(b.size() >= parenPos);
QByteArray result;
int prevPos = 0;
int pos = b.indexOf('\n', 0) + 1;
forever {
Q_ASSERT(prevPos < pos);
int afterParen = prevPos + parenPos;
result.append(b.constData() + prevPos, datePos);
result.append(b.constData() + afterParen, pos - afterParen);
prevPos = pos;
Q_ASSERT(prevPos != 0);
if (pos == b.size())
break;
pos = b.indexOf('\n', pos) + 1;
if (pos == 0) // indexOf returned -1
pos = b.size();
}
return result;
}
void GitEditor::setPlainTextDataFiltered(const QByteArray &a)
{
QByteArray array = a;
// If desired, filter out the date from annotation
const bool omitAnnotationDate = contentType() == VCSBase::AnnotateOutput
&& GitPlugin::instance()->settings().boolValue(GitSettings::omitAnnotationDateKey);
if (omitAnnotationDate)
array = removeAnnotationDate(a);
setPlainTextData(array);
}
void GitEditor::commandFinishedGotoLine(bool ok, int /* exitCode */, const QVariant &v)
{
if (ok && v.type() == QVariant::Int) {
const int line = v.toInt();
if (line >= 0)
gotoLine(line);
}
}
QStringList GitEditor::annotationPreviousVersions(const QString &revision) const
{
QStringList revisions;
QString errorMessage;
GitClient *client = GitPlugin::instance()->gitClient();
const QFileInfo fi(source());
const QString workingDirectory = fi.absolutePath();
// Get the SHA1's of the file.
if (!client->synchronousParentRevisions(workingDirectory, QStringList(fi.fileName()),
revision, &revisions, &errorMessage)) {
VCSBase::VCSBaseOutputWindow::instance()->appendSilently(errorMessage);
return QStringList();
}
// Format verbose, SHA1 being first token
QStringList descriptions;
if (!client->synchronousShortDescriptions(workingDirectory, revisions, &descriptions, &errorMessage)) {
VCSBase::VCSBaseOutputWindow::instance()->appendSilently(errorMessage);
return QStringList();
}
return descriptions;
}
} // namespace Internal
} // namespace Git
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