From 0e758e685c9572f4816fe14ae2b181b5e66aa855 Mon Sep 17 00:00:00 2001
From: Christoph Lehmann <christoph.lehmann@ufz.de>
Date: Sat, 12 Dec 2015 15:40:42 +0100
Subject: [PATCH] [BL] Added ConfigTree wrapper.
---
BaseLib/ConfigTreeNew-impl.h | 159 ++++++++++++++
BaseLib/ConfigTreeNew.cpp | 225 ++++++++++++++++++++
BaseLib/ConfigTreeNew.h | 392 +++++++++++++++++++++++++++++++++++
3 files changed, 776 insertions(+)
create mode 100644 BaseLib/ConfigTreeNew-impl.h
create mode 100644 BaseLib/ConfigTreeNew.cpp
create mode 100644 BaseLib/ConfigTreeNew.h
diff --git a/BaseLib/ConfigTreeNew-impl.h b/BaseLib/ConfigTreeNew-impl.h
new file mode 100644
index 00000000000..8f2ad6521cf
--- /dev/null
+++ b/BaseLib/ConfigTreeNew-impl.h
@@ -0,0 +1,159 @@
+/**
+ * \copyright
+ * Copyright (c) 2012-2015, OpenGeoSys Community (http://www.opengeosys.org)
+ * Distributed under a Modified BSD License.
+ * See accompanying file LICENSE.txt or
+ * http://www.opengeosys.org/project/license
+ *
+ */
+
+#include "ConfigTreeNew.h"
+
+#include <logog/include/logog.hpp>
+
+namespace BaseLib
+{
+
+//! Wraps a pair of iterators for use as a range in range-based for-loops.
+template<typename Iterator>
+class Range
+{
+public:
+ explicit Range(Iterator begin, Iterator end)
+ : _begin(begin), _end(end)
+ {}
+
+ Iterator begin() const { return _begin; }
+ Iterator end() const { return _end; }
+private:
+ Iterator _begin;
+ Iterator _end;
+};
+
+template<typename T>
+T
+ConfigTreeNew::
+getConfParam(std::string const& param)
+{
+ auto p = getConfParamOptional<T>(param);
+ if (p) return *p;
+
+ error("Key <" + param + "> has not been found");
+ return T();
+}
+
+template<typename T>
+T
+ConfigTreeNew::
+getConfParam(std::string const& param, T const& default_value)
+{
+ auto p = getConfParamOptional<T>(param);
+ if (p) return *p;
+ return default_value;
+}
+
+template<typename T>
+boost::optional<T>
+ConfigTreeNew::
+getConfParamOptional(std::string const& param)
+{
+ checkUnique(param);
+ auto p = _tree->get_child_optional(param);
+
+ bool peek_only = p == boost::none;
+ markVisited<T>(param, peek_only);
+
+ if (p) {
+ auto v = p->get_value_optional<T>();
+ if (v) {
+ return v;
+ } else {
+ error("Value for key <" + param + "> `" + shortString(p->data())
+ + "' not convertible to the desired type.");
+ }
+ }
+
+ return boost::none;
+}
+
+template<typename T>
+Range<ConfigTreeNew::ValueIterator<T> >
+ConfigTreeNew::
+getConfParamList(std::string const& param)
+{
+ checkUnique(param);
+ markVisited<T>(param, true);
+
+ auto p = _tree->equal_range(param);
+ return Range<ValueIterator<T> >(
+ ValueIterator<T>(p.first, param, *this),
+ ValueIterator<T>(p.second, param, *this));
+}
+
+template<typename T>
+T
+ConfigTreeNew::
+peekConfParam(std::string const& param)
+{
+ checkKeyname(param);
+
+ auto p =_tree->get_child_optional(param);
+
+ if (!p) {
+ error("Key <" + param + "> has not been found");
+ } else {
+ try {
+ return p->get_value<T>();
+ } catch (boost::property_tree::ptree_bad_data) {
+ error("Value for key <" + param + "> `" + shortString(p->data())
+ + "' not convertible to the desired type.");
+ }
+ }
+
+ return T();
+}
+
+template<typename T>
+void
+ConfigTreeNew::
+checkConfParam(std::string const& param, T const& value)
+{
+ if (getConfParam<T>(param) != value) {
+ error("The value of key <" + param + "> is not the expected one.");
+ }
+}
+
+template<typename Ch>
+void
+ConfigTreeNew::
+checkConfParam(std::string const& param, Ch const* value)
+{
+ if (getConfParam<std::string>(param) != value) {
+ error("The value of key <" + param + "> is not the expected one.");
+ }
+}
+
+
+template<typename T>
+ConfigTreeNew::CountType&
+ConfigTreeNew::
+markVisited(std::string const& key, bool peek_only)
+{
+ auto const type = std::type_index(typeid(T));
+
+ auto p = _visited_params.emplace(key, CountType{peek_only ? 0 : 1, type});
+
+ if (!p.second) { // no insertion happened
+ auto& v = p.first->second;
+ if (v.type == type) {
+ if (!peek_only) ++v.count;
+ } else {
+ error("There already was an attempt to obtain key <" + key
+ + "> with type \"" + v.type.name() + "\" (now: \"" + type.name() + "\").");
+ }
+ }
+
+ return p.first->second;
+}
+
+}
diff --git a/BaseLib/ConfigTreeNew.cpp b/BaseLib/ConfigTreeNew.cpp
new file mode 100644
index 00000000000..99da9177fb7
--- /dev/null
+++ b/BaseLib/ConfigTreeNew.cpp
@@ -0,0 +1,225 @@
+/**
+ * \copyright
+ * Copyright (c) 2012-2015, OpenGeoSys Community (http://www.opengeosys.org)
+ * Distributed under a Modified BSD License.
+ * See accompanying file LICENSE.txt or
+ * http://www.opengeosys.org/project/license
+ *
+ */
+
+#include "ConfigTreeNew.h"
+
+namespace BaseLib
+{
+
+const char ConfigTreeNew::pathseparator = '/';
+const std::string ConfigTreeNew::key_chars_start = "abcdefghijklmnopqrstuvwxyz";
+const std::string ConfigTreeNew::key_chars = key_chars_start + "_0123456789";
+
+ConfigTreeNew::
+ConfigTreeNew(PTree const& tree,
+ Callback const& error_cb,
+ Callback const& warning_cb)
+ : _tree(&tree), _onerror(error_cb), _onwarning(warning_cb)
+{
+ if (!_onerror) {
+ ERR("ConfigTree: No valid error handler provided.");
+ std::abort();
+ }
+ if (!_onwarning) {
+ ERR("ConfigTree: No valid warning handler provided.");
+ std::abort();
+ }
+}
+
+ConfigTreeNew::
+ConfigTreeNew(PTree const& tree, ConfigTreeNew const& parent,
+ std::string const& root)
+ : _tree(&tree), _path(joinPaths(parent._path, root)),
+ _onerror(parent._onerror), _onwarning(parent._onwarning)
+{
+ checkKeyname(root);
+}
+
+ConfigTreeNew::
+ConfigTreeNew(ConfigTreeNew && other)
+ : _tree(other._tree)
+ , _path(other._path)
+ , _visited_params(std::move(other._visited_params))
+ , _onerror(other._onerror)
+ , _onwarning(other._onwarning)
+{
+ other._tree = nullptr;
+}
+
+ConfigTreeNew::~ConfigTreeNew()
+{
+ if (!_tree) return;
+
+ for (auto const& p : *_tree)
+ {
+ markVisitedDecrement(p.first);
+ }
+
+ for (auto const& p : _visited_params)
+ {
+ if (p.second.count > 0) {
+ warning("Key <" + p.first + "> has been read " + std::to_string(p.second.count)
+ + " time(s) more than it was present in the configuration tree.");
+ } else if (p.second.count < 0) {
+ warning("Key <" + p.first + "> has been read " + std::to_string(-p.second.count)
+ + " time(s) less than it was present in the configuration tree.");
+ }
+ }
+}
+
+ConfigTreeNew
+ConfigTreeNew::
+getConfSubtree(std::string const& root)
+{
+ if (auto t = getConfSubtreeOptional(root)) {
+ return std::move(*t);
+ } else {
+ error("Key <" + root + "> has not been found.");
+ return ConfigTreeNew(PTree(), *this, ""); // TODO that will crash
+ }
+}
+
+boost::optional<ConfigTreeNew>
+ConfigTreeNew::
+getConfSubtreeOptional(std::string const& root)
+{
+ checkUnique(root);
+ auto subtree = _tree->get_child_optional(root);
+
+ if (subtree) {
+ markVisited(root);
+ boost::optional<ConfigTreeNew> t;
+ t.emplace(*subtree, *this, root);
+ return std::move(t);
+ } else {
+ markVisited(root, true);
+ return boost::optional<ConfigTreeNew>();
+ }
+}
+
+Range<ConfigTreeNew::SubtreeIterator>
+ConfigTreeNew::
+getConfSubtreeList(std::string const& root)
+{
+ checkUnique(root);
+ markVisited(root, true);
+
+ auto p = _tree->equal_range(root);
+
+ return Range<SubtreeIterator>(
+ SubtreeIterator(p.first, root, *this),
+ SubtreeIterator(p.second, root, *this));
+}
+
+void ConfigTreeNew::ignoreConfParam(const std::string ¶m)
+{
+ checkUnique(param);
+ // if not found, peek only
+ bool peek_only = _tree->find(param) == _tree->not_found();
+ markVisited(param, peek_only);
+}
+
+void ConfigTreeNew::ignoreConfParamAll(const std::string ¶m)
+{
+ checkUnique(param);
+ auto& ct = markVisited(param, true);
+
+ auto p = _tree->equal_range(param);
+ for (auto it = p.first; it != p.second; ++it) {
+ ++ct.count;
+ }
+}
+
+
+void ConfigTreeNew::error(const std::string& message)
+{
+ _onerror(_path, message);
+}
+
+void ConfigTreeNew::warning(const std::string& message)
+{
+ _onwarning(_path, message);
+}
+
+
+void ConfigTreeNew::onerror(const std::string& path, const std::string& message)
+{
+ ERR("ConfigTree: At path <%s>: %s", path.c_str(), message.c_str());
+ std::abort();
+}
+
+void ConfigTreeNew::onwarning(const std::string& path, const std::string& message)
+{
+ WARN("ConfigTree: At path <%s>: %s", path.c_str(), message.c_str());
+}
+
+std::string ConfigTreeNew::shortString(const std::string &s)
+{
+ const std::size_t maxlen = 100;
+
+ if (s.size() < maxlen) return s;
+
+ return s.substr(0, maxlen-3) + "...";
+}
+
+
+void ConfigTreeNew::checkKeyname(std::string const& key)
+{
+ if (key.empty()) {
+ error("Search for empty key.");
+ } else if (key_chars_start.find(key.front()) == std::string::npos) {
+ error("Key <" + key + "> starts with an illegal character.");
+ } else if (key.find_first_not_of(key_chars, 1) != std::string::npos) {
+ error("Key <" + key + "> contains illegal characters.");
+ }
+}
+
+std::string ConfigTreeNew::
+joinPaths( const std::string &p1, const std::string &p2)
+{
+ if (p2.empty()) {
+ error("Second path to be joined is empty.");
+ }
+
+ if (p1.empty()) return p2;
+
+ return p1 + pathseparator + p2;
+}
+
+void ConfigTreeNew::checkUnique(const std::string &key)
+{
+ checkKeyname(key);
+
+ if (_visited_params.find(key) != _visited_params.end()) {
+ error("Key <" + key + "> has already been processed.");
+ }
+}
+
+ConfigTreeNew::CountType&
+ConfigTreeNew::
+markVisited(std::string const& key, bool peek_only)
+{
+ return markVisited<ConfigTreeNew>(key, peek_only);
+}
+
+void
+ConfigTreeNew::
+markVisitedDecrement(std::string const& key)
+{
+ auto const type = std::type_index(typeid(nullptr));
+
+ auto p = _visited_params.emplace(key, CountType{-1, type});
+
+ if (!p.second) { // no insertion happened
+ auto& v = p.first->second;
+ --v.count;
+ }
+}
+
+}
diff --git a/BaseLib/ConfigTreeNew.h b/BaseLib/ConfigTreeNew.h
new file mode 100644
index 00000000000..4c5dc68f9a9
--- /dev/null
+++ b/BaseLib/ConfigTreeNew.h
@@ -0,0 +1,392 @@
+/**
+ * \copyright
+ * Copyright (c) 2012-2015, OpenGeoSys Community (http://www.opengeosys.org)
+ * Distributed under a Modified BSD License.
+ * See accompanying file LICENSE.txt or
+ * http://www.opengeosys.org/project/license
+ *
+ */
+
+#pragma once
+
+#include "ConfigTree.h"
+
+#include <typeindex>
+#include <map>
+
+#include <functional>
+
+namespace BaseLib
+{
+
+template<typename Iterator> class Range;
+
+/*!
+ * Wrapper around a Boost Property Tree with some basic error reporting features.
+ *
+ * Features. This class:
+ * * makes sure that every configuration setting in a Property Tree is read
+ * exactly once. If some settings is not read (e.g. due to a typo), a warning message
+ * is generated. The message contains a hint where it occured.
+ * * enforces a naming scheme of settings: letters a-z, numbers 0-9, underscore
+ * * provides some functionality to read lists of values using range-based for loops.
+ * * has rather long method names that are easily greppable from the source code. So a list
+ * of supported configuration options can be easily obtained from the source code.
+ *
+ * The purpose of this class is to reduce or completely avoid the amount of error-handling
+ * code in routines that take configuration parameters.
+ *
+ * Most methods of this class check that they have not been called before for the same
+ * \c ConfigTree and the same parameter. This behaviour helps to enforce that every parameter
+ * is read exactly once during parsing of the configuration settings.
+ *
+ * The most notable restriction of this class when compared to plain tree traversal is, that
+ * one must know all the XML tags (i.e. configuration parameters) at compile time. It is not
+ * possible to read from this class, which configuration parameters are present in the tree.
+ * This restriction, however, is intended, because it provides the possibility to get all
+ * existing configuration parameters from the source code.
+ */
+class ConfigTreeNew final
+{
+public:
+ /*!
+ * A wrapper around a Boost Iterator for iterating over ranges of subtrees.
+ *
+ * The methods of this class tell the associated (parent) \c ConfigTree object when
+ * a setting has been parsed.
+ */
+ class SubtreeIterator
+ : public std::iterator<std::input_iterator_tag, ConfigTreeNew>
+ {
+ public:
+ using Iterator = boost::property_tree::ptree::const_assoc_iterator;
+
+ explicit SubtreeIterator(Iterator it, std::string const& root,
+ ConfigTreeNew& parent)
+ : _it(it), _root(root), _parent(parent)
+ {}
+
+ SubtreeIterator& operator++() {
+ ++_it;
+ _has_incremented = true;
+ return *this;
+ }
+
+ ConfigTreeNew operator*() {
+ // if this iterator has been incremented since the last dereference,
+ // tell the _parent instance that a subtree now has been parsed.
+ if (_has_incremented) {
+ _has_incremented = false;
+ _parent.markVisited(_root);
+ }
+ return ConfigTreeNew(_it->second, _parent, _root);
+ }
+
+ bool operator==(SubtreeIterator const& other) const {
+ return _it == other._it;
+ }
+
+ bool operator!=(SubtreeIterator const& other) const {
+ return _it != other._it;
+ }
+
+ private:
+ bool _has_incremented = true;
+ Iterator _it;
+ std::string const _root;
+ ConfigTreeNew& _parent;
+ };
+
+
+ /*!
+ * A wrapper around a Boost Iterator for iterating over ranges of values.
+ *
+ * The methods of this class tell the associated (parent) \c ConfigTree object when
+ * a setting has been parsed.
+ */
+ template<typename ValueType>
+ class ValueIterator
+ : public std::iterator<std::input_iterator_tag, ValueType>
+ {
+ public:
+ using Iterator = boost::property_tree::ptree::const_assoc_iterator;
+
+ explicit ValueIterator(Iterator it, std::string const& root,
+ ConfigTreeNew& parent)
+ : _it(it), _root(root), _parent(parent)
+ {}
+
+ ValueIterator<ValueType>& operator++() {
+ ++_it;
+ _has_incremented = true;
+ return *this;
+ }
+
+ ValueType operator*() {
+ // if this iterator has been incremented since the last dereference,
+ // tell the _parent instance that a setting now has been parsed.
+ if (_has_incremented) {
+ _has_incremented = false;
+ _parent.markVisited<ValueType>(_root);
+ }
+
+ if (_it->second.begin() != _it->second.end()) {
+ _parent.error("Configuration at key " + _root + " has subitems.");
+ return ValueType();
+ }
+
+ auto v = _it->second.get_value_optional<ValueType>();
+
+ if (v) return *v;
+
+ // TODO: change error method
+ _parent.error("Could not get value out of key " + _root + ".");
+ return ValueType();
+ }
+
+ bool operator==(ValueIterator<ValueType> const& other) const {
+ return _it == other._it;
+ }
+
+ bool operator!=(ValueIterator<ValueType> const& other) const {
+ return _it != other._it;
+ }
+
+ private:
+ bool _has_incremented = true;
+ Iterator _it;
+ std::string const _root;
+ ConfigTreeNew& _parent;
+ };
+
+ using PTree = boost::property_tree::ptree;
+
+ //! Type of the function objects used as callbacks.
+ //! The first argument denotes the path in the tree at which an event (warning/error)
+ //! occured, the second argument is the associated message
+ using Callback = std::function<void(const std::string& path,
+ const std::string& message)>;
+
+ /*! Creates a new instance wrapping the given Boost Property Tree.
+ *
+ * \param tree the Boost Property Tree to be wrapped
+ * \param onerror callback function to be called on error.
+ * \param onwarning callback function to be called on warning.
+ *
+ * The callback functions must be valid callable functions, i.e. not nullptr's.
+ * They are configurable in order to make unit tests of this class easier.
+ * They should not be provided in production code!
+ *
+ * If a custom error callback is provided, this function should break out of
+ * the normal execution order, e.g., by throwing or by calling std::abort(),
+ * because otherwise this class will effectively treat errors as no-errors.
+ */
+ explicit ConfigTreeNew(PTree const& tree,
+ Callback const& error_cb = onerror,
+ Callback const& warning_cb = onwarning);
+
+ //! Used for wrapping a subtree
+ explicit ConfigTreeNew(PTree const& tree, ConfigTreeNew const& parent, std::string const& root);
+
+ //! copying is not compatible with the semantics of this class
+ ConfigTreeNew(ConfigTreeNew const&) = delete;
+
+ //! After being moved from, \c other is in an undefined state and must not be
+ //! used anymore!
+ ConfigTreeNew(ConfigTreeNew && other);
+
+ ConfigTreeNew() = delete;
+
+ void operator=(ConfigTreeNew const&) = delete;
+ void operator=(ConfigTreeNew &&) = delete;
+
+ /*! Get parameter \c param of type \c T from the configuration tree.
+ *
+ * \return the value looked for or a default constructed value \c T() in the case of
+ * an error. For the behaviour in case of an error, see also the documentation
+ * of the method error().
+ *
+ * \pre \c param must not have been read before from this ConfigTree.
+ */
+ template<typename T> T
+ getConfParam(std::string const& param);
+
+ /*! Get parameter \c param of type \c T from the configuration tree or the \c default_value.
+ *
+ * This method has a similar behaviour as getConfParam(std::string const&) except in case
+ * of errors the \c default_value is returned.
+ *
+ * \pre \c param must not have been read before from this ConfigTree.
+ */
+ template<typename T> T
+ getConfParam(std::string const& param, T const& default_value);
+
+ /*! Get parameter \c param of type \c T from the configuration tree if present
+ *
+ * This method has a similar behaviour as getConfParam(std::string const&) except
+ * no errors are raised. Rather it can be told from the return value if the
+ * parameter could be read.
+ *
+ * \pre \c param must not have been read before from this ConfigTree.
+ */
+ template<typename T> boost::optional<T>
+ getConfParamOptional(std::string const& param);
+
+ /*! Returns all parameters with the name \c param from the current level of the tree.
+ *
+ * The return value is suitable to be used with range-base for-loops.
+ *
+ * \pre \c param must not have been read before from this ConfigTree.
+ */
+ template<typename T> Range<ValueIterator<T> >
+ getConfParamList(std::string const& param);
+
+ /*! Peek at a parameter \c param of type \c T from the configuration tree.
+ *
+ * This method is an exception to the single-read rule. It is meant to be used to
+ * tell from a ConfigTree instance where to pass that instance on for further processing.
+ *
+ * Return value and error behaviour are the same as for getConfParam(std::string const&).
+ */
+ template<typename T> T
+ peekConfParam(std::string const& param);
+
+ /*! Assert that \c param has the given \c value.
+ *
+ * Convenience method combining getConfParam(std::string const&) with a check.
+ */
+ template<typename T> void
+ checkConfParam(std::string const& param, T const& value);
+
+ //! Make checkConfParam() work for string literals.
+ template<typename Ch> void
+ checkConfParam(std::string const& param, Ch const* value);
+
+ /*! Get the subtree rooted at \c root
+ *
+ * If \c root is not found error() is called.
+ *
+ * \pre \c root must not have been read before from this ConfigTree.
+ */
+ ConfigTreeNew
+ getConfSubtree(std::string const& root);
+
+ /*! Get the subtree rooted at \c root if present
+ *
+ * \pre \c root must not have been read before from this ConfigTree.
+ */
+ boost::optional<ConfigTreeNew>
+ getConfSubtreeOptional(std::string const& root);
+
+ /*! Get all subtrees that have a root \c root from the current level of the tree.
+ *
+ * The return value is suitable to be used with range-base for-loops.
+ *
+ * \pre \c root must not have been read before from this ConfigTree.
+ */
+ Range<SubtreeIterator>
+ getConfSubtreeList(std::string const& root);
+
+ /*! Tell this instance to ignore parameter \c param.
+ *
+ * This method is used to avoid warning messages.
+ *
+ * \pre \c root must not have been read before from this ConfigTree.
+ */
+ void ignoreConfParam(std::string const& param);
+
+ /*! Tell this instance to ignore all parameters \c param on the current level of the tree.
+ *
+ * This method is used to avoid warning messages.
+ *
+ * \pre \c root must not have been read before from this ConfigTree.
+ */
+ void ignoreConfParamAll(std::string const& param);
+
+ //! The destructor performs the check if all nodes at the current level of the tree
+ //! have been read.
+ ~ConfigTreeNew();
+
+private:
+ struct CountType
+ {
+ int count;
+ std::type_index type;
+ };
+
+ //! Called if an error occurs. Will call the error callback.
+ //! This method only acts as a helper method.
+ void error(std::string const& message);
+
+ //! Called for printing warning messages. Will call the warning callback.
+ //! This method only acts as a helper method.
+ void warning(std::string const& message);
+
+ //! Checks if \c key complies with the rules [a-z0-9_].
+ void checkKeyname(std::string const& key);
+
+ //! Used to generate the path of a subtree.
+ std::string joinPaths(std::string const& p1, std::string const& p2);
+
+ //! Asserts that the \c key has not been read yet.
+ void checkUnique(std::string const& key);
+
+ /*! Keeps track of the key \c key and its value type \c T.
+ *
+ * This method asserts that a key is read always with the same type.
+ *
+ * \c param peek_only if true, do not change the read-count of the given key.
+ */
+ template<typename T>
+ CountType& markVisited(std::string const& key, bool peek_only = false);
+
+ /*! Keeps track of the key \c key and its value type ConfigTree.
+ *
+ * This method asserts that a key is read always with the same type.
+ *
+ * \c param peek_only if true, do not change the read-count of the given key.
+ */
+ CountType& markVisited(std::string const& key, bool peek_only = false);
+
+ //! Used in the destructor to compute the difference between number of reads of a parameter
+ //! and the number of times it exists in the ConfigTree
+ void markVisitedDecrement(std::string const& key);
+
+ //! Default error callback function
+ //! Will print an error message and call std::abort()
+ static void onerror(std::string const& path, std::string const& message);
+
+ //! Default warning callback function
+ //! Will print a warning message
+ static void onwarning(std::string const& path, std::string const& message);
+
+ //! returns a short string at suitable for error/warning messages
+ static std::string shortString(std::string const& s);
+
+ //! The wrapped tree.
+ boost::property_tree::ptree const* _tree;
+
+ //! A path printed in error/warning messages.
+ std::string const _path;
+
+ //! A map key -> (count, type) keeping track which parameters have been read how often
+ //! and which datatype they have.
+ std::map<std::string, CountType> _visited_params;
+
+ const Callback _onerror;
+ const Callback _onwarning;
+
+ //! Character separating two path components.
+ static const char pathseparator;
+
+ //! Set of allowed characters as the first letter of a key name.
+ static const std::string key_chars_start;
+
+ //! Set of allowed characters in a key name.
+ static const std::string key_chars;
+};
+
+}
+
+#include "ConfigTreeNew-impl.h"
+
--
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