Initial import

src/plugins/subversion/subversioneditor.cpp

@@ -0,0 +1,140 @@
+/***************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact:  Qt Software Information (qt-info@nokia.com)
+**
+** 
+** Non-Open Source Usage  
+** 
+** Licensees may use this file in accordance with the Qt Beta Version
+** License Agreement, Agreement version 2.2 provided with the Software or,
+** alternatively, in accordance with the terms contained in a written
+** agreement between you and Nokia.  
+** 
+** GNU General Public License Usage 
+** 
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the packaging
+** of this file.  Please review the following information to ensure GNU
+** General Public Licensing requirements will be met:
+**
+** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt GPL Exception version
+** 1.2, included in the file GPL_EXCEPTION.txt in this package.  
+** 
+***************************************************************************/
+#include "subversioneditor.h"
+#include "annotationhighlighter.h"
+#include "subversionconstants.h"
+
+#include <vcsbase/diffhighlighter.h>
+
+#include <QtCore/QDebug>
+#include <QtGui/QTextCursor>
+
+namespace  Subversion {
+namespace Internal {
+
+SubversionEditor::SubversionEditor(const VCSBase::VCSBaseEditorParameters *type,
+                                   QWidget *parent) :
+    VCSBase::VCSBaseEditor(type, parent),
+    m_changeNumberPattern(QLatin1String("^\\d+$")),
+    m_revisionNumberPattern(QLatin1String("^r\\d+$"))
+{
+    Q_ASSERT(m_changeNumberPattern.isValid());
+    Q_ASSERT(m_revisionNumberPattern.isValid());
+}
+
+QSet<QString> SubversionEditor::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("^(\\d+):"));
+    Q_ASSERT(r.isValid());
+    if (r.indexIn(txt) != -1) {
+        changes.insert(r.cap(1));
+        r.setPattern(QLatin1String("\n(\\d+):"));
+        Q_ASSERT(r.isValid());
+        int pos = 0;
+        while ((pos = r.indexIn(txt, pos)) != -1) {
+            pos += r.matchedLength();
+            changes.insert(r.cap(1));
+        }
+    }
+    if (Subversion::Constants::debug)
+        qDebug() << "SubversionEditor::annotationChanges() returns #" << changes.size();
+    return changes;
+}
+
+QString SubversionEditor::changeUnderCursor(const QTextCursor &c) const
+{
+    QTextCursor cursor = c;
+    // Any number is regarded as change number.
+    cursor.select(QTextCursor::WordUnderCursor);
+    if (!cursor.hasSelection())
+        return QString();
+    QString change = cursor.selectedText();
+    // Annotation output has number, log output has revision numbers
+    // as r1, r2...
+    if (m_changeNumberPattern.exactMatch(change))
+        return change;
+    if (m_revisionNumberPattern.exactMatch(change)) {
+        change.remove(0, 1);
+        return change;
+    }
+    return QString();
+}
+
+/* code:
+    Index: main.cpp
+===================================================================
+--- main.cpp    (revision 2)
++++ main.cpp    (working copy)
+@@ -6,6 +6,5 @@
+\endcode
+*/
+
+VCSBase::DiffHighlighter *SubversionEditor::createDiffHighlighter() const
+{
+    const QRegExp filePattern(QLatin1String("^[-+][-+][-+] .*|^Index: .*|^==*$"));
+    Q_ASSERT(filePattern.isValid());
+    return new VCSBase::DiffHighlighter(filePattern);
+}
+
+VCSBase::BaseAnnotationHighlighter *SubversionEditor::createAnnotationHighlighter(const QSet<QString> &changes) const
+{
+    return new SubversionAnnotationHighlighter(changes);
+}
+
+QString SubversionEditor::fileNameFromDiffSpecification(const QTextBlock &inBlock) const
+{
+    // "+++ /depot/.../mainwindow.cpp<tab>(revision 3)"
+    // Go back chunks
+    const QString diffIndicator = QLatin1String("+++ ");
+    for (QTextBlock  block = inBlock; block.isValid() ; block = block.previous()) {
+        QString diffFileName = block.text();
+        if (diffFileName.startsWith(diffIndicator)) {
+            diffFileName.remove(0, diffIndicator.size());
+            const int tabIndex = diffFileName.lastIndexOf(QLatin1Char('\t'));
+            if (tabIndex != -1)
+                diffFileName.truncate(tabIndex);
+            if (Subversion::Constants::debug)
+                qDebug() << Q_FUNC_INFO << diffFileName;
+            return diffFileName;
+        }
+    }
+    return QString();
+}
+
+}
+}