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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://www.qt.io/licensing. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "cvseditor.h"
#include "cvsutils.h"
#include "annotationhighlighter.h"
#include "cvsconstants.h"
#include <utils/qtcassert.h>
#include <vcsbase/diffhighlighter.h>
#include <QDebug>
#include <QTextCursor>
#include <QTextBlock>
namespace Cvs {
namespace Internal {
// Match a CVS revision ("1.1.1.1")
#define CVS_REVISION_PATTERN "[\\d\\.]+"
#define CVS_REVISION_AT_START_PATTERN "^(" CVS_REVISION_PATTERN ") "
CvsEditorWidget::CvsEditorWidget() :
m_revisionAnnotationPattern(QLatin1String(CVS_REVISION_AT_START_PATTERN ".*$")),
m_revisionLogPattern(QLatin1String("^revision *(" CVS_REVISION_PATTERN ")$"))
{
QTC_ASSERT(m_revisionAnnotationPattern.isValid(), return);
QTC_ASSERT(m_revisionLogPattern.isValid(), return);
/* Diff format:
\code
cvs diff -d -u -r1.1 -r1.2:
--- mainwindow.cpp<\t>13 Jul 2009 13:50:15 -0000<tab>1.1
+++ mainwindow.cpp<\t>14 Jul 2009 07:09:24 -0000<tab>1.2
@@ -6,6 +6,5 @@
\endcode
*/
setDiffFilePattern(QRegExp(QLatin1String("^[-+]{3} ([^\\t]+)")));
setLogEntryPattern(QRegExp(QLatin1String("^revision (.+)$")));
setAnnotateRevisionTextFormat(tr("Annotate revision \"%1\""));
}
QSet<QString> CvsEditorWidget::annotationChanges() const
{
QSet<QString> changes;
const QString txt = toPlainText();
if (txt.isEmpty())
return changes;
// Hunt for first change number in annotation: "1.1 (author)"
QRegExp r(QLatin1String(CVS_REVISION_AT_START_PATTERN));
QTC_ASSERT(r.isValid(), return changes);
if (r.indexIn(txt) != -1) {
changes.insert(r.cap(1));
r.setPattern(QLatin1String("\n(" CVS_REVISION_PATTERN ") "));
QTC_ASSERT(r.isValid(), return changes);
int pos = 0;
while ((pos = r.indexIn(txt, pos)) != -1) {
pos += r.matchedLength();
changes.insert(r.cap(1));
}
}
if (Constants::debug)
qDebug() << "CVSEditor::annotationChanges() returns #" << changes.size();
return changes;
}
QString CvsEditorWidget::changeUnderCursor(const QTextCursor &c) const
{
// Try to match "1.1" strictly:
// 1) Annotation: Check for a revision number at the beginning of the line.
// Note that "cursor.select(QTextCursor::WordUnderCursor)" will
// only select the part up until the dot.
// Check if we are at the beginning of a line within a reasonable offset.
// 2) Log: check for lines like "revision 1.1", cursor past "revision"
switch (contentType()) {
case VcsBase::OtherContent:
case VcsBase::DiffOutput:
break;
case VcsBase::AnnotateOutput: {
const QTextBlock block = c.block();
if (c.atBlockStart() || (c.position() - block.position() < 3)) {
const QString line = block.text();
if (m_revisionAnnotationPattern.exactMatch(line))
return m_revisionAnnotationPattern.cap(1);
}
}
break;
case VcsBase::LogOutput: {
const QTextBlock block = c.block();
if (c.position() - block.position() > 8 && m_revisionLogPattern.exactMatch(block.text()))
return m_revisionLogPattern.cap(1);
}
break;
}
return QString();
}
VcsBase::BaseAnnotationHighlighter *CvsEditorWidget::createAnnotationHighlighter(const QSet<QString> &changes) const
{
return new CvsAnnotationHighlighter(changes);
}
QStringList CvsEditorWidget::annotationPreviousVersions(const QString &revision) const
{
if (isFirstRevision(revision))
return QStringList();
return QStringList(previousRevision(revision));
}
}
}
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