Hadrons: moving Hadrons to root directory, build system improvements

2026-06-13 23:53:11 +01:00 · 2018-08-28 15:00:40 +01:00
parent 5f206df775
commit fb7d021b9d
499 changed files with 429 additions and 846 deletions
@@ -0,0 +1,173 @@
+    /*************************************************************************************
+
+    Grid physics library, www.github.com/paboyle/Grid 
+
+    Source file: ./lib/serialisation/JSON_IO.cc
+
+    Copyright (C) 2016
+
+    Author: Guido Cossu<guido.cossu@ed.ac.uk>
+
+    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.
+
+    See the full license in the file "LICENSE" in the top level distribution directory
+    *************************************************************************************/
+    /*  END LEGAL */
+#include <Grid/Grid.h>
+
+using namespace Grid;
+
+// Writer implementation ///////////////////////////////////////////////////////
+JSONWriter::JSONWriter(const std::string &fileName)
+: fileName_(fileName), ss_("{ ", std::ostringstream::ate){}
+
+JSONWriter::~JSONWriter(void)
+{
+  // close
+  delete_comma();
+  ss_ << "}";  
+
+  // write prettified JSON to file
+  std::ofstream os(fileName_);
+  //std::cout << "JSONWriter::~JSONWriter" << std::endl;
+  os << std::setw(2) << json::parse(ss_.str()) << std::endl;
+}
+
+void JSONWriter::push(const std::string &s)
+{
+  // adding a nested object
+  if (s.size())
+    ss_ << " \""<<s<<"\" : {";
+  else
+    ss_ << " {";
+}
+
+void JSONWriter::pop(void)
+{
+  //std::cout << "JSONWriter::pop" << std::endl;
+  delete_comma();
+  ss_ << "},";
+}
+
+void JSONWriter::delete_comma()
+{
+  std::string dlast = ss_.str();
+  dlast.pop_back(); // deletes the last comma
+  ss_.str(dlast);
+}
+
+
+// here we are hitting a g++ bug (Bug 56480)
+// compiles fine with clang
+// have to wrap in the Grid namespace
+// annoying, but necessary for TravisCI
+namespace Grid
+{
+  void JSONWriter::writeDefault(const std::string &s,	const std::string &x)
+  {
+    //std::cout << "JSONWriter::writeDefault(string) : " << s <<  std::endl;
+    std::ostringstream os;
+    os << std::boolalpha << x;
+    if (s.size())
+      ss_ << "\""<< s << "\" : \"" << os.str() << "\" ," ;
+    else
+     ss_ << os.str() << " ," ;
+  }
+}// namespace Grid 
+
+
+// Reader implementation ///////////////////////////////////////////////////////
+JSONReader::JSONReader(const std::string &fileName)
+: fileName_(fileName)
+{
+  std::ifstream file(fileName_);
+  file >> jobject_;
+
+  // test
+  // serialize to standard output
+  //std::cout << "JSONReader::JSONReader : " << jobject_ << endl; 
+  jcur_ = jobject_;
+}
+
+bool JSONReader::push(const std::string &s)
+{
+  if (s.size()){
+    jold_.push_back(jcur_);
+    do_pop.push_back(true);
+    try
+    {
+      jcur_ = jcur_[s]; 
+    }
+    catch (std::out_of_range& e)
+    {
+      std::cout << "out of range: " << e.what() << '\n';
+      return false;
+    }
+    //cout << "JSONReader::push : " << s << " : "<< jcur_ << endl;
+  }
+  else
+  {
+    do_pop.push_back(false);
+  }
+
+
+  return true;
+}
+
+void JSONReader::pop(void)
+{
+  if (do_pop.back()){
+    jcur_ = jold_.back();
+    jold_.pop_back();
+    do_pop.pop_back();
+  }
+  else
+    do_pop.pop_back();
+
+  //cout << "JSONReader::pop : " << jcur_ << endl;
+}
+
+bool JSONReader::nextElement(const std::string &s)
+{
+  // Work in progress
+  // JSON dictionaries do not support multiple names 
+  // Same name objects must be packed in vectors
+  ++it_;
+  
+  //if (it_ == it_end_){
+  //  return false;
+  //}
+
+  jcur_ = *it_; 
+  //cout << "JSONReader::nextElement(string) : " << s << " : "<< jcur_ << endl;
+  //return true;
+
+    return false;
+}
+
+template <>
+void JSONReader::readDefault(const std::string &s, std::string &output)
+{
+  //cout << "JSONReader::readDefault(string) : " << s<< " " << jcur_ << endl;
+  if (s.size()){
+    //std::cout << "String: "<< jcur_[s] << std::endl;
+    output = jcur_[s];
+  }
+  else
+  {
+    //std::cout << "String: "<< jcur_ << std::endl;
+    output = jcur_;    
+  }
+}