cvseditor.cpp 5.07 KB
Newer Older
hjk's avatar
hjk committed
1
/****************************************************************************
2
**
3
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
hjk's avatar
hjk committed
4
** Contact: http://www.qt-project.org/legal
5
**
hjk's avatar
hjk committed
6
** This file is part of Qt Creator.
7
**
hjk's avatar
hjk committed
8 9 10 11 12 13 14
** 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://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
15 16
**
** GNU Lesser General Public License Usage
hjk's avatar
hjk committed
17 18 19 20 21 22 23 24 25
** Alternatively, 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, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
con's avatar
con committed
26 27
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
hjk's avatar
hjk committed
28
****************************************************************************/
29 30

#include "cvseditor.h"
31
#include "cvsutils.h"
32 33 34 35 36 37 38

#include "annotationhighlighter.h"
#include "cvsconstants.h"

#include <utils/qtcassert.h>
#include <vcsbase/diffhighlighter.h>

39 40 41
#include <QDebug>
#include <QTextCursor>
#include <QTextBlock>
42

hjk's avatar
hjk committed
43
namespace Cvs {
44 45 46 47
namespace Internal {

// Match a CVS revision ("1.1.1.1")
#define CVS_REVISION_PATTERN "[\\d\\.]+"
48
#define CVS_REVISION_AT_START_PATTERN "^(" CVS_REVISION_PATTERN ") "
49

hjk's avatar
hjk committed
50
CvsEditor::CvsEditor(const VcsBase::VcsBaseEditorParameters *type,
51
                                   QWidget *parent) :
hjk's avatar
hjk committed
52
    VcsBase::VcsBaseEditorWidget(type, parent),
53
    m_revisionAnnotationPattern(QLatin1String(CVS_REVISION_AT_START_PATTERN ".*$")),
54
    m_revisionLogPattern(QLatin1String("^revision  *(" CVS_REVISION_PATTERN ")$"))
55
{
56 57
    QTC_ASSERT(m_revisionAnnotationPattern.isValid(), return);
    QTC_ASSERT(m_revisionLogPattern.isValid(), return);
58 59 60 61 62 63 64 65 66
    /* 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]+)")));
67
    setLogEntryPattern(QRegExp(QLatin1String("^revision (.+)$")));
68
    setAnnotateRevisionTextFormat(tr("Annotate revision \"%1\""));
69 70
}

hjk's avatar
hjk committed
71
QSet<QString> CvsEditor::annotationChanges() const
72 73 74 75 76 77 78 79 80 81
{
    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));
82
        r.setPattern(QLatin1String("\n(" CVS_REVISION_PATTERN ") "));
83 84 85 86 87 88 89
        QTC_ASSERT(r.isValid(), return changes);
        int pos = 0;
        while ((pos = r.indexIn(txt, pos)) != -1) {
            pos += r.matchedLength();
            changes.insert(r.cap(1));
        }
    }
90
    if (Constants::debug)
91 92 93 94
        qDebug() << "CVSEditor::annotationChanges() returns #" << changes.size();
    return changes;
}

hjk's avatar
hjk committed
95
QString CvsEditor::changeUnderCursor(const QTextCursor &c) const
96
{
97 98 99 100 101 102 103
    // 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()) {
104
    case VcsBase::OtherContent:
hjk's avatar
hjk committed
105
    case VcsBase::DiffOutput:
106
        break;
hjk's avatar
hjk committed
107
    case VcsBase::AnnotateOutput: {
108 109 110 111 112 113 114 115
            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;
hjk's avatar
hjk committed
116
    case VcsBase::LogOutput: {
117 118 119 120 121
            const QTextBlock block = c.block();
            if (c.position() - block.position() > 8 && m_revisionLogPattern.exactMatch(block.text()))
                return m_revisionLogPattern.cap(1);
        }
        break;
122 123 124 125
    }
    return QString();
}

126
VcsBase::BaseAnnotationHighlighter *CvsEditor::createAnnotationHighlighter(const QSet<QString> &changes) const
127
{
128
    return new CvsAnnotationHighlighter(changes);
129 130
}

hjk's avatar
hjk committed
131
QStringList CvsEditor::annotationPreviousVersions(const QString &revision) const
132 133 134 135 136 137
{
    if (isFirstRevision(revision))
        return QStringList();
    return QStringList(previousRevision(revision));
}

138 139
}
}