Created a utility rewriting class from existing visitors.

src/libs/qmljs/qmljsrewriter.h

@@ -0,0 +1,110 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#ifndef QMLJSREWRITER_H
+#define QMLJSREWRITER_H
+
+#include <qmljs/qmljs_global.h>
+
+#include <qmljs/parser/qmljsastfwd_p.h>
+
+#include <QtCore/QStringList>
+
+namespace Utils {
+class ChangeSet;
+}
+
+namespace QmlJS {
+
+class QMLJS_EXPORT Rewriter
+{
+public:
+    enum BindingType {
+        ScriptBinding,
+        ObjectBinding,
+        ArrayBinding
+    };
+
+public:
+    Rewriter(const QString &originalText,
+             Utils::ChangeSet *changeSet,
+             const QStringList &propertyOrder);
+
+    void addBinding(AST::UiObjectInitializer *ast,
+                    const QString &propertyName,
+                    const QString &propertyValue,
+                    BindingType bindingType);
+
+    void changeProperty(AST::UiObjectInitializer *ast,
+                        const QString &propertyName,
+                        const QString &newValue,
+                        BindingType binding);
+
+    void removeProperty(AST::UiObjectInitializer *ast, const QString &propertyName);
+
+    void appendToArrayBinding(AST::UiArrayBinding *arrayBinding,
+                              const QString &content);
+    void addObject(AST::UiObjectInitializer *ast, const QString &content);
+    void removeObjectMember(AST::UiObjectMember *member, AST::UiObjectMember *parent);
+
+    static AST::UiObjectMemberList *searchMemberToInsertAfter(AST::UiObjectMemberList *members, const QStringList &propertyOrder);
+    static AST::UiObjectMemberList *searchMemberToInsertAfter(AST::UiObjectMemberList *members, const QString &propertyName, const QStringList &propertyOrder);
+    static QString flatten(AST::UiQualifiedId *first);
+
+    bool includeSurroundingWhitespace(int &start, int &end) const;
+    void includeLeadingEmptyLine(int &start) const;
+
+private:
+    void replaceMemberValue(AST::UiObjectMember *propertyMember,
+                            const QString &newValue,
+                            bool needsSemicolon);
+    static bool isMatchingPropertyMember(const QString &propertyName,
+                                         AST::UiObjectMember *member);
+    static bool nextMemberOnSameLine(AST::UiObjectMemberList *members);
+
+    void insertIntoArray(AST::UiArrayBinding* ast, const QString &newValue);
+
+    void removeMember(AST::UiObjectMember *member);
+    void removeGroupedProperty(AST::UiObjectDefinition *ast,
+                               const QString &propertyName);
+
+    void extendToLeadingOrTrailingComma(AST::UiArrayBinding *parentArray,
+                                        AST::UiObjectMember *member,
+                                        int &start,
+                                        int &end) const;
+
+private:
+    QString m_originalText;
+    Utils::ChangeSet *m_changeSet;
+    const QStringList m_propertyOrder;
+};
+
+} // namespace QmlJS
+
+#endif // QMLJSREWRITER_H