From 94d3e79a8617f88dc0219cfdeedfa3147833719d Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Mon, 24 Jun 2019 14:43:36 +0200
Subject: Initialize at openlb-1-3

---
 src/io/xmlReader.h | 161 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 161 insertions(+)
 create mode 100644 src/io/xmlReader.h

(limited to 'src/io/xmlReader.h')

diff --git a/src/io/xmlReader.h b/src/io/xmlReader.h
new file mode 100644
index 0000000..e8001e3
--- /dev/null
+++ b/src/io/xmlReader.h
@@ -0,0 +1,161 @@
+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2010 Jonas Latt, Jonas Fietz, Mathias Krause
+ *  E-mail contact: info@openlb.net
+ *  The most recent release of OpenLB can be downloaded at
+ *  <http://www.openlb.net/>
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  of the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public
+ *  License along with this program; if not, write to the Free
+ *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA  02110-1301, USA.
+*/
+
+/** \file
+ * Input/Output in XML format -- header file.
+ */
+#ifndef XML_IO_H
+#define XML_IO_H
+#ifdef ADT
+template <class T, unsigned DIM> class ADf;
+#endif
+#include <string>
+#include <vector>
+#include <iostream>
+#include <sstream>
+#include <map>
+#include <typeinfo>
+#include "external/tinyxml/tinyxml.h"
+#include "io/ostreamManager.h"
+
+namespace olb {
+
+class XMLreader {
+public:
+  /**
+   * Constructs a new XMLreader from another XMLreader
+   * \param pParent The new root node for the XMLreader
+   */
+  XMLreader( TiXmlNode* pParent );
+  /// Constructs a new XMLreader from a XML file fName
+  XMLreader( const std::string& fName );
+  /// destructor
+  ~XMLreader();
+  /// Prints out the XML structure read in, mostly for debugging purposes
+  void print(int indent) const;
+  /**
+   * Read a value from the xml file
+   * \param reference to return the value
+   * \return returns the value
+   */
+  //bool read(bool& value, bool verbose = true) const;
+  template <typename T> bool read(T& value, bool verboseOn = true, bool exitIfMissing=false) const;
+#ifdef ADT
+  template <typename T,unsigned DIM> bool read(ADf<T,DIM>& value, bool verboseOn = true, bool exitIfMissing=false) const;
+#endif
+  template <typename T> bool read(std::vector<T>& value, bool verboseOn = true, bool exitIfMissing=false) const;
+  template <typename T> T get(bool verboseOn = true, bool exitIfMissing=false) const;
+  /// \return a Subtree placed at name \param name The name from which to take the subtree
+  XMLreader const& operator[] (std::string name) const;
+  /**
+   * Returns an iterator.begin() of the child XMLreader
+   * This means an iterator to the next level on an XML tree.
+   */
+  std::vector<XMLreader*>::const_iterator begin() const;
+  /**
+   * Returns an iterator.end() of the child XMLreader
+   * This means an iterator to the next level on an XML tree.
+   */
+  std::vector<XMLreader*>::const_iterator end() const;
+  /// switch warnings on/off
+  void setWarningsOn(bool warnings) const;
+  /// return the name of the element
+  std::string getName() const;
+  /// \return the value of attribute
+  std::string getAttribute(const std::string& aName) const;
+  /// print warning if verbose mode is on
+  void printWarning(std::string typeName, std::string value, bool verboseOn, bool exitIfMissing) const;
+private:
+  void mainProcessorIni(TiXmlNode* pParent);
+  void slaveProcessorIni();
+  XMLreader();
+private:
+  mutable bool _warningsOn;
+  std::string _text;
+  std::string _name;
+  static XMLreader _notFound;
+protected:
+  mutable OstreamManager clout;
+  std::map<std::string, std::string> _attributes;
+  std::vector<XMLreader*> _children;
+};
+
+// methods with template
+
+#ifdef ADT
+template <typename T, unsigned DIM>
+bool XMLreader::read(ADf<T,DIM>& value, bool verboseOn, bool exitIfMissing) const
+{
+  std::stringstream valueStr(_text);
+  T tmp = T();
+  if (!(valueStr >> tmp)) {
+//    if ( _verboseOn ) {
+//      clout << std::string("Error: cannot read value from XML element ") << _name << std::endl;
+//    }
+    printWarning("ADf vector", "", verboseOn, exitIfMissing);
+    return false;
+  }
+  value = ADf<T,DIM>(tmp);
+  return true;
+}
+#endif
+
+template <typename T>
+bool XMLreader::read(std::vector<T>& values, bool verboseOn, bool exitIfMissing ) const
+{
+  std::stringstream multiValueStr(_text);
+  std::string word;
+  std::vector<T> tmp(values);
+  while (multiValueStr>>word) {
+    std::stringstream valueStr(word);
+    T value;
+    if (!(valueStr >> value)) {
+//      if ( verboseOn ) {
+//        clout << std::string("Error: cannot read value array from XML element ") << _name << std::endl;
+//      }
+      printWarning("std::vector", "", verboseOn, exitIfMissing);
+      return false;
+    }
+    tmp.push_back(value);
+  }
+  values.swap(tmp);
+  return true;
+}
+
+template <typename T>
+T XMLreader::get(bool verboseOn, bool exitIfMissing) const
+{
+  std::stringstream valueStr(_text);
+  T tmp = T();
+  if (!(valueStr >> tmp)) {
+//    if ( verboseOn ) {
+//      clout << "Error: cannot read value from XML element " << _name << std::endl;
+//    }
+    printWarning(typeid(T).name(), "", verboseOn, exitIfMissing);
+  }
+  return tmp;
+}
+
+}  // namespace olb
+
+#endif  // XML_IO_H
-- 
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