dust3d/third_party/libigl/include/igl/xml/serialize_xml.h

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//
// Copyright (C) 2014 Christian Sch<63>ller <schuellchr@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_XML_SERIALIZABLE_XML_H
#define IGL_XML_SERIALIZABLE_XML_H
// -----------------------------------------------------------------------------
// Functions to save and load a serialization of fundamental c++ data types to
// and from a xml file. STL containers, Eigen matrix types and nested data
// structures are also supported. To serialize a user defined class implement
// the interface XMLSerializable or XMLSerializableBase.
//
// See also: serialize.h
// -----------------------------------------------------------------------------
#include "../igl_inline.h"
#include <Eigen/Dense>
#include <Eigen/Sparse>
#include <tinyxml2.h>
#include <type_traits>
#include <functional>
#include <iostream>
#include <vector>
#include <set>
#include <map>
#include <memory>
//#define SERIALIZE_XML(x) igl::xml::serialize_xml(x,#x,doc,element);
//#define DESERIALIZE_XML(x) igl::xml::deserialize_xml(x,#x,,doc,element);
namespace igl
{
namespace xml
{
struct XMLSerializableBase;
// serializes the given object either to a xml file or to the provided doc data
//
// Templates:
// T type of the object to serialize
// Inputs:
// obj object to serialize
// objectName unique object name,used for the identification
// filename name of the file containing the serialization
// binary set to true to serialize the object in binary format (faster for big data)
// overwrite set to true to overwrite an existing xml file
// element tinyxml2 virtual representation of the current xml node
// Outputs:
// doc contains current tinyxml2 virtual representation of the xml data
//
template <typename T>
IGL_INLINE void serialize_xml(const T& obj,const std::string& filename);
template <typename T>
IGL_INLINE void serialize_xml(
const T& obj,
const std::string& objectName,
const std::string& filename,
bool binary = false,
bool overwrite = false);
template <typename T>
IGL_INLINE void serialize_xml(
const T& obj,
const std::string& objectName,
tinyxml2::XMLDocument* doc,
tinyxml2::XMLElement* element,
bool binary = false);
// deserializes the given data from a xml file or doc data back to the provided object
//
// Templates:
// T type of the object to serialize
// Inputs:
//
// objectName unique object name,used for the identification
// filename name of the file containing the serialization
// binary set to true to serialize the object in binary format (faster for big data)
// overwrite set to true to overwrite an existing xml file
// doc contains current tinyxml2 virtual representation of the xml data
// element tinyxml2 virtual representation of the current xml node
// Outputs:
// obj object to load back serialization to
//
template <typename T>
IGL_INLINE void deserialize_xml(T& obj,const std::string& filename);
template <typename T>
IGL_INLINE void deserialize_xml(T& obj,const std::string& objectName,const std::string& filename);
template <typename T>
IGL_INLINE void deserialize_xml(T& obj,const std::string& objectName,const tinyxml2::XMLDocument* doc,const tinyxml2::XMLElement* element);
// internal functions
namespace serialization_xml
{
// fundamental types
template <typename T>
IGL_INLINE typename std::enable_if<std::is_fundamental<T>::value>::type serialize(const T& obj,tinyxml2::XMLDocument* doc,tinyxml2::XMLElement* element,const std::string& name);
template <typename T>
IGL_INLINE typename std::enable_if<std::is_fundamental<T>::value>::type deserialize(T& obj,const tinyxml2::XMLDocument* doc,const tinyxml2::XMLElement* element,const std::string& name);
// std::string
IGL_INLINE void serialize(const std::string& obj,tinyxml2::XMLDocument* doc,tinyxml2::XMLElement* element,const std::string& name);
IGL_INLINE void deserialize(std::string& obj,const tinyxml2::XMLDocument* doc,const tinyxml2::XMLElement* element,const std::string& name);
// XMLSerializableBase
template <typename T>
IGL_INLINE typename std::enable_if<std::is_base_of<XMLSerializableBase,T>::value>::type serialize(const T& obj,tinyxml2::XMLDocument* doc,tinyxml2::XMLElement* element,const std::string& name);
template <typename T>
IGL_INLINE typename std::enable_if<std::is_base_of<XMLSerializableBase,T>::value>::type deserialize(T& obj,const tinyxml2::XMLDocument* doc,const tinyxml2::XMLElement* element,const std::string& name);
// STL containers
template <typename T1, typename T2>
IGL_INLINE void serialize(const std::pair<T1,T2>& obj,tinyxml2::XMLDocument* doc,tinyxml2::XMLElement* element,const std::string& name);
template <typename T1,typename T2>
IGL_INLINE void deserialize(std::pair<T1,T2>& obj,const tinyxml2::XMLDocument* doc,const tinyxml2::XMLElement* element,const std::string& name);
template <typename T1,typename T2>
IGL_INLINE void serialize(const std::vector<T1,T2>& obj,tinyxml2::XMLDocument* doc,tinyxml2::XMLElement* element,const std::string& name);
template <typename T1,typename T2>
IGL_INLINE void deserialize(std::vector<T1,T2>& obj,const tinyxml2::XMLDocument* doc,const tinyxml2::XMLElement* element,const std::string& name);
template <typename T>
IGL_INLINE void serialize(const std::set<T>& obj,tinyxml2::XMLDocument* doc,tinyxml2::XMLElement* element,const std::string& name);
template <typename T>
IGL_INLINE void deserialize(std::set<T>& obj,const tinyxml2::XMLDocument* doc,const tinyxml2::XMLElement* element,const std::string& name);
template <typename T1,typename T2>
IGL_INLINE void serialize(const std::map<T1,T2>& obj,tinyxml2::XMLDocument* doc,tinyxml2::XMLElement* element,const std::string& name);
template <typename T1,typename T2>
IGL_INLINE void deserialize(std::map<T1,T2>& obj,const tinyxml2::XMLDocument* doc,const tinyxml2::XMLElement* element,const std::string& name);
// Eigen types
// Serialize a Dense Eigen Matrix to xml (in the matrix= attribute,
// awkward...)
//
// Inputs:
// obj MR by MC matrix of T types
// name name of matrix
// to_string function converting T to string
// Outputs:
// doc pointer to xml document
// element pointer to xml element
//
template<typename T,int R,int C,int P,int MR,int MC>
IGL_INLINE void serialize(
const Eigen::Matrix<T,R,C,P,MR,MC>& obj,
const std::string& name,
const std::function<std::string(const T &) >& to_string,
tinyxml2::XMLDocument* doc,
tinyxml2::XMLElement* element);
// De-Serialize a Dense Eigen Matrix from xml (in the matrix= attribute,
// awkward...)
//
// Inputs:
// doc pointer to xml document
// element pointer to xml element
// name name of matrix
// from_string function string to T
// Outputs:
// obj MR by MC matrix of T types
template<typename T,int R,int C,int P,int MR,int MC>
IGL_INLINE void deserialize(
const tinyxml2::XMLDocument* doc,
const tinyxml2::XMLElement* element,
const std::string& name,
const std::function<void(const std::string &,T &)> & from_string,
Eigen::Matrix<T,R,C,P,MR,MC>& obj);
// Legacy APIs
template<typename T,int R,int C,int P,int MR,int MC>
IGL_INLINE void serialize(
const Eigen::Matrix<T,R,C,P,MR,MC>& obj,
tinyxml2::XMLDocument* doc,
tinyxml2::XMLElement* element,
const std::string& name);
template<typename T,int R,int C,int P,int MR,int MC>
IGL_INLINE void deserialize(
Eigen::Matrix<T,R,C,P,MR,MC>& obj,
const tinyxml2::XMLDocument* doc,
const tinyxml2::XMLElement* element,
const std::string& name);
template<typename T,int P,typename I>
IGL_INLINE void serialize(const Eigen::SparseMatrix<T,P,I>& obj,tinyxml2::XMLDocument* doc,tinyxml2::XMLElement* element,const std::string& name);
template<typename T,int P,typename I>
IGL_INLINE void deserialize(Eigen::SparseMatrix<T,P,I>& obj,const tinyxml2::XMLDocument* doc,const tinyxml2::XMLElement* element,const std::string& name);
// raw pointers
template <typename T>
IGL_INLINE typename std::enable_if<std::is_pointer<T>::value>::type serialize(const T& obj,tinyxml2::XMLDocument* doc,tinyxml2::XMLElement* element,const std::string& name);
template <typename T>
IGL_INLINE typename std::enable_if<std::is_pointer<T>::value>::type deserialize(T& obj,const tinyxml2::XMLDocument* doc,const tinyxml2::XMLElement* element,const std::string& name);
// helper functions
tinyxml2::XMLElement* getElement(tinyxml2::XMLDocument* doc,tinyxml2::XMLElement* element,const std::string& name);
IGL_INLINE void getAttribute(const char* src,bool& dest);
IGL_INLINE void getAttribute(const char* scr,char& dest);
IGL_INLINE void getAttribute(const char* src,std::string& dest);
IGL_INLINE void getAttribute(const char* src,float& dest);
IGL_INLINE void getAttribute(const char* src,double& dest);
template<typename T>
IGL_INLINE typename std::enable_if<std::is_integral<T>::value && std::is_unsigned<T>::value>::type getAttribute(const char* src,T& dest);
template<typename T>
IGL_INLINE typename std::enable_if<std::is_integral<T>::value && !std::is_unsigned<T>::value>::type getAttribute(const char* src,T& dest);
IGL_INLINE void replaceSubString(std::string& str,const std::string& search,const std::string& replace);
IGL_INLINE void encodeXMLElementName(std::string& name);
IGL_INLINE void decodeXMLElementName(std::string& name);
IGL_INLINE std::string base64_encode(unsigned char const* bytes_to_encode,unsigned int in_len);
IGL_INLINE std::string base64_decode(std::string const& encoded_string);
// compile time type serializable check
template <typename T>
struct is_stl_container { static const bool value = false; };
template <typename T1,typename T2>
struct is_stl_container<std::pair<T1,T2> > { static const bool value = true; };
template <typename T1,typename T2>
struct is_stl_container<std::vector<T1,T2> > { static const bool value = true; };
template <typename T>
struct is_stl_container<std::set<T> > { static const bool value = true; };
template <typename T1,typename T2>
struct is_stl_container<std::map<T1,T2> > { static const bool value = true; };
template <typename T>
struct is_eigen_type { static const bool value = false; };
template <typename T,int R,int C,int P,int MR,int MC>
struct is_eigen_type<Eigen::Matrix<T,R,C,P,MR,MC> > { static const bool value = true; };
template <typename T,int P,typename I>
struct is_eigen_type<Eigen::SparseMatrix<T,P,I> > { static const bool value = true; };
template <typename T>
struct is_serializable {
using T0 = typename std::remove_pointer<T>::type;
static const bool value = std::is_fundamental<T0>::value || std::is_same<std::string,T0>::value || std::is_base_of<XMLSerializableBase,T0>::value
|| is_stl_container<T0>::value || is_eigen_type<T0>::value;
};
}
}
}
#ifndef IGL_STATIC_LIBRARY
#include "serialize_xml.cpp"
#endif
#endif