+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
+
/*
* Config_XMLReader.h
*
#ifndef CONFIG_XMLREADER_H_
#define CONFIG_XMLREADER_H_
-#include "Config.h"
-#include "Config_Message.h"
+#include <Config_def.h>
-#include <string>
#include <cstdarg>
+#include <string>
+#include <map>
-//Forward declaration for xmlNodePtr.
+//>> Forward declaration of xmlNodePtr.
typedef struct _xmlNode xmlNode;
typedef xmlNode *xmlNodePtr;
struct _xmlNode;
+//<<
+//>> Forward declaration of xmlDocPtr.
+typedef struct _xmlDoc xmlDoc;
+typedef xmlDoc *xmlDocPtr;
+struct _xmlDoc;
+//<<
-class CONFIG_EXPORT Config_XMLReader {
-public:
- Config_XMLReader(const std::string& theXmlFile);
- virtual ~Config_XMLReader();
-
- void readAll();
+/*!
+ * \class Config_XMLReader
+ * \ingroup Config
+ * \brief Base class for all libxml readers. Provides high-level API
+ * for all xml operations.
+*/
+class Config_XMLReader
+{
+ public:
+ /*!
+ * Constructor
+ * \param theXmlFile - full path to the xml file which will be processed by the reader
+ */
+ CONFIG_EXPORT Config_XMLReader(const std::string& theXmlFile);
+ CONFIG_EXPORT virtual ~Config_XMLReader();
+ /*!
+ * Read all nodes in associated xml file,
+ * recursively if processChildren(xmlNode) is true for the xmlNode.
+ * For each read node the processNode will be called.
+ */
+ CONFIG_EXPORT void readAll();
+ /*!
+ * Returns xmlNodePtr to the root of reader's document
+ * or NULL if not found
+ */
+ CONFIG_EXPORT xmlNodePtr findRoot();
-protected:
+ protected:
+ /*!
+ * \brief Allows to customize reader's behavior for a node. Virtual.
+ * The default implementation process "source", "validator" and
+ * "selection_filter" nodes.
+ */
virtual void processNode(xmlNodePtr aNode);
- virtual bool processChildren(xmlNodePtr aNode);
- xmlNodePtr findRoot();
+ /*!
+ * This method gives an ability to finalize processing of a node,
+ * when reader is about to leave the node (node and all it's children are processed)
+ */
+ virtual void cleanup(xmlNodePtr aNode);
+ /*!
+ * \brief Defines which nodes should be processed recursively. Virtual.
+ * The default impl is to read all nodes.
+ */
+ virtual bool processChildren(xmlNodePtr aNode);
+ /*!
+ * Calls processNode() for each child (for some - recursively)
+ * of the given node.
+ * \sa ReadAll()
+ */
void readRecursively(xmlNodePtr theParent);
-
- xmlNodePtr node(void* theNode);
- std::string getProperty(xmlNodePtr theNode, const char* property);
- /*
- * Please note that this function should be called with NULL last argument.
- * In example: isNode(aNode, "type1", ["type2", ...], NULL);
- * ", NULL" is required to use unlimited number of arguments.
- * TODO(sbh): find a way to simplify calling this method.
+ /*!
+ * \brief void* -> xmlNodePtr
*/
- bool isNode(xmlNodePtr theNode, const char* name, ...);
+ xmlNodePtr node(void* theNode);
+ /// Gets xml node name
+ std::string getNodeName(xmlNodePtr theNode);
+ /// Stores an attribute in internal map for later use.
+ /// Key is "Node_Name:Node_Attribute" and value is getProperty(theNodeAttribute)
+ void storeAttribute(xmlNodePtr theNode, const char* theNodeAttribute);
+ /// Restores an attribute from internal map.
+ std::string restoreAttribute(xmlNodePtr theNode, const char* theNodeAttribute);
+ /// Restores an attribute from internal map.
+ std::string restoreAttribute(const char* theNodeName, const char* theNodeAttribute);
+ bool cleanupAttribute(xmlNodePtr theNode, const char* theNodeAttribute);
+ bool cleanupAttribute(const char* theNodeName, const char* theNodeAttribute);
-private:
- std::string m_DocumentPath;
+ protected:
+ std::string myDocumentPath; ///< Path to the xml document
+ xmlDocPtr myXmlDoc; ///< Root of the xml document
+ /// A map to store all parent's attributes.
+ /// The key has from "Node_Name:Node_Attribute"
+ std::map<std::string, std::string> myCachedAttributes;
};
#endif /* CONFIG_XMLREADER_H_ */
