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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include "scxmltypes.h"
#include <QHash>
#include <QObject>
#include <QPointer>
#include <QStringList>
#include <QXmlStreamReader>
#include <QXmlStreamWriter>
namespace ScxmlEditor {
namespace PluginInterface {
class ScxmlDocument;
/**
* @brief The ScxmlTag class represents one element in the SCXML document tree.
*
* Tag have a tagType, info and zero or more attributes associated with them. TagType must be given in the constructor and
* it is not possible to change it. You can get and set attributes with the functions attribute(), setAttribute() and hasAttribute().
*
* ScxmlTag has one parent-tag and zero or more child. Tag doesn't take ownerships of the children.
* It is user responsibility to delete all tags. Normally this will be done via the ScxmlDocument inside the undo-commands.
*/
class ScxmlTag : public QObject
{
Q_OBJECT
public:
ScxmlTag(TagType type, ScxmlDocument *document = nullptr);
ScxmlTag(const QString &prefix, const QString &name, ScxmlDocument *document = nullptr);
ScxmlTag(const ScxmlTag *other, bool copyChildren = true);
~ScxmlTag() override;
void setDocument(ScxmlDocument *document);
ScxmlDocument *document() const;
// Functions for handling tagType/tagName
TagType tagType() const;
QString prefix() const;
QString tagName(bool addPrefix = true) const;
void setTagName(const QString &name);
const scxmltag_type_t *info() const;
QString displayName() const;
QString stateNameSpace() const;
// Get/set content
QString content() const;
void setContent(const QString &content);
// Handling editorInfo
void setEditorInfo(const QString &key, const QString &value);
QString editorInfo(const QString &key) const;
bool hasEditorInfo(const QString &key) const;
// Functions for handling attributes
int attributeCount() const;
QStringList attributeNames() const;
QStringList attributeValues() const;
void setAttributeName(int ind, const QString &name);
void setAttribute(int ind, const QString &name);
QString attributeName(int ind) const;
QString attribute(const QString &attribute, bool useNameSpace = false, const QString &defaultValue = QString()) const;
QString attribute(int ind, const QString &defaultValue = QString()) const;
void setAttribute(const QString &attribute, const QString &value);
bool hasAttribute(const QString &key) const;
// Functions for handling parent
void setParentTag(ScxmlTag *parentTag);
ScxmlTag *parentTag() const;
bool hasParentTag() const;
// Functions for handling child tags
bool hasData() const;
bool hasChild(TagType type) const;
bool hasChild(const QString &name) const;
void insertChild(int index, ScxmlTag *child);
void appendChild(ScxmlTag *child);
void removeChild(ScxmlTag *child);
void moveChild(int oldPos, int newPos);
int childCount() const;
QVector<ScxmlTag*> allChildren() const;
QVector<ScxmlTag*> children(const QString &name) const;
ScxmlTag *child(const QString &name) const;
ScxmlTag *child(int row) const;
int childIndex(const ScxmlTag *child) const;
int index() const;
bool isRootTag() const;
ScxmlTag *tagForId(const QString &id) const;
/**
* @brief writeXml - write tag's content with the QXMLStreamWriter. Call writeXml-function for all children too.
* @param xml
*/
void writeXml(QXmlStreamWriter &xml);
/**
* @brief readXml - read tag's information from the QXMLStreamReader and create child tags if necessary.
* @param xml
*/
void readXml(QXmlStreamReader &xml, bool checkCopyId = false);
void finalizeTagNames();
void print();
private:
void init(TagType type);
void initId();
const scxmltag_type_t *m_info = nullptr;
QStringList m_attributeNames;
QStringList m_attributeValues;
QPointer<ScxmlTag> m_parentTag;
QVector<ScxmlTag*> m_childTags;
QPointer<ScxmlDocument> m_document;
TagType m_tagType = UnknownTag;
QString m_tagName;
QString m_content;
QString m_prefix;
QHash<QString, QString> m_editorInfo;
};
} // namespace PluginInterface
} // namespace ScxmlEditor
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