SSAGES::JSONLoader Class Reference

Class for loading JSON content from files. More...

#include <JSONLoader.h>

Public Member Functions
	JSONLoader ()
	Constructor. More...
Json::Value	LoadFile (const std::string &filename, const mxx::comm &world)
	Load file and return JSON tree. More...

Private Attributes
std::vector< std::unique_ptr< JSONLoaderPlugin > >	plugins_
	List of plugins.

Detailed Description

Class for loading JSON content from files.

Definition at line 41 of file JSONLoader.h.

Constructor & Destructor Documentation

JSONLoader()

SSAGES::JSONLoader::JSONLoader ( )

inline

Constructor.

The constructer automatically inserts the IncludePlugin into the list of plugins.

Definition at line 53 of file JSONLoader.h.

                     : plugins_(0)
        {
            plugins_.push_back(std::unique_ptr<JSONLoaderPlugin>(new IncludePlugin()));
        }

References plugins_.

Member Function Documentation

LoadFile()

Json::Value SSAGES::JSONLoader::LoadFile ( const std::string &  filename, const mxx::comm &  world  )

inline

Load file and return JSON tree.

Parameters

filename	Name of the JSON file to load.
world	MPI global communicator.

Returns

JSON Value containing the contents of the file.

This function loads JSON content from a given file. For each plugin in plugins_ the filter defined with this plugin will be applied to the contents loaded from the file.

Definition at line 68 of file JSONLoader.h.

        {
            std::string contents, path;
            if(world.rank() == 0)
            {
                contents = GetFileContents(filename);
                path = GetFilePath(filename);
            }
            
            mxx::bcast(contents, 0, world);
            mxx::bcast(path, 0, world);
 
            for(auto& plugin : plugins_)
                plugin->ApplyFilter(contents, path);
 
            // Read JSON.
            Json::Value root;
            std::string errors;
            Json::CharReaderBuilder rbuilder;
            Json::CharReader* reader = rbuilder.newCharReader();
            if(!reader->parse(contents.c_str(), contents.c_str() + contents.size(), &root, &errors))
            {
                throw std::invalid_argument(
                    filename + ": " + errors
                );
            }
            delete reader;
            return root;
        }

References SSAGES::GetFileContents(), SSAGES::GetFilePath(), and plugins_.

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The documentation for this class was generated from the following file:

• /home/michael/development/SSAGES/src/JSON/JSONLoader.h