X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;ds=sidebyside;f=lib%2FcpPlugins%2FInterface%2FWorkspaceIO.cxx;fp=lib%2FcpPlugins%2FInterface%2FWorkspaceIO.cxx;h=e69c3c8060bc515600941209ef311d889057d322;hb=84d74813c987aaa92eed8579e2122f67c0d5159d;hp=0000000000000000000000000000000000000000;hpb=410a1d0bf36fb01148880c034973308e4600ffda;p=cpPlugins.git

diff --git a/lib/cpPlugins/Interface/WorkspaceIO.cxx b/lib/cpPlugins/Interface/WorkspaceIO.cxx
new file mode 100644
index 0000000..e69c3c8
--- /dev/null
+++ b/lib/cpPlugins/Interface/WorkspaceIO.cxx
@@ -0,0 +1,315 @@
+#include <cpPlugins/Interface/Workspace.h>
+#include <tinyxml2/tinyxml2.h>
+
+// -------------------------------------------------------------------------
+void cpPlugins::Interface::Workspace::
+Load( const std::string& fname )
+{
+  this->Clear( );
+
+  // Read from disk
+  tinyxml2::XMLDocument* doc = new tinyxml2::XMLDocument( );
+  doc->LoadFile( fname.c_str( ) );
+  tinyxml2::XMLElement* root = doc->RootElement( );
+  if( root == NULL )
+  {
+    delete doc;
+    throw std::runtime_error( "cpPlugins::Workspace: No valid file" );
+
+  } // fi
+  if( std::string( root->Value( ) ) != "cpPlugins_Workspace" )
+  {
+    delete doc;
+    throw std::runtime_error( "cpPlugins::Workspace: Not a valid workspace" );
+
+  } // fi
+
+  // Read filters
+  std::stringstream err;
+  tinyxml2::XMLElement* filter = root->FirstChildElement( "Filter" );
+  while( filter != NULL )
+  {
+    const char* category_value = filter->Attribute( "Category" );
+    const char* class_value = filter->Attribute( "Class" );
+    const char* name_value = filter->Attribute( "Name" );
+    float viewX = float( 0 ), viewY = float( 0 );
+    filter->QueryFloatAttribute( "ViewX", &viewX );
+    filter->QueryFloatAttribute( "ViewY", &viewY );
+    int explicit_execution = 0;
+    filter->QueryIntAttribute(
+      "ExplicitExecution", &explicit_execution
+      );
+    if( class_value != NULL && name_value != NULL )
+    {
+      auto new_filter = this->CreateFilter( category_value, class_value );
+      if( new_filter != NULL )
+      {
+        this->RenameFilter( new_filter->GetName( ), name_value );
+        new_filter->SetViewCoords( viewX, viewY );
+        new_filter->SetExplicitExecution( explicit_execution == 1 );
+        new_filter->GetParameters( )->FromXML( filter );
+      }
+      else
+        err
+          << "No valid class \"" << class_value << "\" with name \""
+          << name_value << "\"" << std::endl;
+    }
+    else
+      err << "Incomplete data." << std::endl;
+    filter = filter->NextSiblingElement( "Filter" );
+
+  } // elihw
+
+  // Read connections
+  tinyxml2::XMLElement* connection = root->FirstChildElement( "Connection" );
+  while( connection != NULL )
+  {
+    tinyxml2::XMLElement* orig = connection->FirstChildElement( "Origin" );
+    tinyxml2::XMLElement* dest = connection->FirstChildElement( "Destination" );
+    if( orig != NULL && dest != NULL )
+    {
+      const char* orig_filter = orig->Attribute( "Filter" );
+      const char* dest_filter = dest->Attribute( "Filter" );
+      const char* orig_name = orig->Attribute( "Name" );
+      const char* dest_name = dest->Attribute( "Name" );
+      if(
+        orig_filter != NULL && dest_filter != NULL &&
+        orig_name != NULL && dest_name != NULL
+        )
+      {
+        try
+        {
+          this->Connect( orig_filter, orig_name, dest_filter, dest_name );
+        }
+        catch( std::exception& exc )
+        {
+          err << exc.what( ) << std::endl;
+
+        } // yrt
+
+      } // fi
+
+    } // fi
+    connection = connection->NextSiblingElement( "Connection" );
+
+  } // elihw
+
+  // Read exposed inputs
+  /* TODO
+     tinyxml2::XMLElement* port = root->FirstChildElement( "ExposedInput" );
+     while( port != NULL )
+     {
+     this->ExposeInput(
+     port->Attribute( "Name" ),
+     port->Attribute( "Filter" ),
+     port->Attribute( "Input" )
+     );
+     port = port->NextSiblingElement( "ExposedInput" );
+
+     } // elihw
+
+     // Read exposed outputs
+     port = root->FirstChildElement( "ExposedOutput" );
+     while( port != NULL )
+     {
+     this->ExposeOutput(
+     port->Attribute( "Name" ),
+     port->Attribute( "Filter" ),
+     port->Attribute( "Output" )
+     );
+     port = port->NextSiblingElement( "ExposedOutput" );
+
+     } // elihw
+  */
+
+  // Throw errors
+  std::string err_str = err.str( );
+  if( err_str != "" )
+  {
+    delete doc;
+    throw std::runtime_error(
+      std::string( "cpPlugins::Workspace " ) + err_str
+      );
+
+  } // fi
+
+  // Finish
+  delete doc;
+}
+
+// -------------------------------------------------------------------------
+void cpPlugins::Interface::Workspace::
+Save( const std::string& fname ) const
+{
+  tinyxml2::XMLDocument* doc = new tinyxml2::XMLDocument( );
+  tinyxml2::XMLElement* root = doc->NewElement( "cpPlugins_Workspace" );
+  std::set< std::string > used_plugins;
+
+  // Save filter data
+  for( auto i = this->m_Filters.begin( ); i != this->m_Filters.end( ); ++i )
+  {
+    auto filter = i->second;
+    used_plugins.insert( filter->GetPluginName( ) );
+    tinyxml2::XMLElement* e = doc->NewElement( "Filter" );
+    e->SetAttribute( "Category", filter->GetClassCategory( ) );
+    e->SetAttribute( "Class", filter->GetClassName( ) );
+    e->SetAttribute( "Name", filter->GetName( ) );
+    e->SetAttribute( "ViewX", filter->GetViewX( ) );
+    e->SetAttribute( "ViewY", filter->GetViewY( ) );
+    e->SetAttribute(
+      "ExplicitExecution", ( filter->GetExplicitExecution( ) )? 1: 0
+      );
+
+    auto params = filter->GetParameters( );
+    params->ToXML( doc, e );
+    root->LinkEndChild( e );
+
+  } // rof
+
+  // Save used plugins
+  /* TODO
+     tinyxml2::XMLElement* plugins = doc->NewElement( "Plugins" );
+     for( auto pIt = used_plugins.begin( ); pIt != used_plugins.end( ); ++pIt )
+     {
+     tinyxml2::XMLElement* e = doc->NewElement( "Plugin" );
+     e->SetAttribute( "Name", pIt->c_str( ) );
+     plugins->LinkEndChild( e );
+
+     } // rof
+     root->LinkEndChild( plugins );
+  */
+
+  // Save connections
+  for( auto i = this->m_Filters.begin( ); i != this->m_Filters.end( ); ++i )
+  {
+    auto orig = i->second;
+    auto outputs = orig->GetOutputsNames( );
+    if( outputs.size( ) == 0 )
+      continue;
+    for( auto j = this->m_Filters.begin( ); j != this->m_Filters.end( ); ++j )
+    {
+      if( i == j )
+        continue;
+      auto dest = j->second;
+      auto inputs = dest->GetInputsNames( );
+      if( inputs.size( ) == 0 )
+        continue;
+
+      for( auto oIt = outputs.begin( ); oIt != outputs.end( ); ++oIt )
+      {
+        auto od = orig->GetOutput( *oIt );
+        for( auto iIt = inputs.begin( ); iIt != inputs.end( ); ++iIt )
+        {
+          unsigned int nInputs = dest->GetInputSize( *iIt );
+          for( unsigned int k = 0; k < nInputs; ++k )
+          {
+            auto id = dest->GetInput( *iIt, k );
+            if( od != NULL && od == id )
+            {
+              tinyxml2::XMLElement* e_conn = doc->NewElement( "Connection" );
+              tinyxml2::XMLElement* e_orig = doc->NewElement( "Origin" );
+              tinyxml2::XMLElement* e_dest = doc->NewElement( "Destination" );
+              e_orig->SetAttribute( "Filter", orig->GetName( ) );
+              e_orig->SetAttribute( "Name", oIt->c_str( ) );
+              e_dest->SetAttribute( "Filter", dest->GetName( ) );
+              e_dest->SetAttribute( "Name", iIt->c_str( ) );
+              e_conn->LinkEndChild( e_orig );
+              e_conn->LinkEndChild( e_dest );
+              root->LinkEndChild( e_conn );
+
+            } // fi
+
+          } // rof
+
+        } // rof
+
+      } // rof
+      
+    } // rof
+
+  } // rof
+
+  // Save exposed ports
+  /* TODO
+     auto eipIt = this->m_ExposedInputs.begin( );
+     for( ; eipIt != this->m_ExposedInputs.end( ); ++eipIt )
+     {
+     tinyxml2::XMLElement* port = doc->NewElement( "ExposedInput" );
+     port->SetAttribute( "Name", eipIt->first.c_str( ) );
+     port->SetAttribute( "Filter", eipIt->second.first.c_str( ) );
+     port->SetAttribute( "Input", eipIt->second.second.c_str( ) );
+     root->LinkEndChild( port );
+
+     } // rof
+
+     auto eopIt = this->m_ExposedOutputs.begin( );
+     for( ; eopIt != this->m_ExposedOutputs.end( ); ++eopIt )
+     {
+     tinyxml2::XMLElement* port = doc->NewElement( "ExposedOutput" );
+     port->SetAttribute( "Name", eopIt->first.c_str( ) );
+     port->SetAttribute( "Filter", eopIt->second.first.c_str( ) );
+     port->SetAttribute( "Output", eopIt->second.second.c_str( ) );
+     root->LinkEndChild( port );
+
+     } // rof
+  */
+
+  // Physical write and return
+  doc->LinkEndChild( root );
+  auto error = doc->SaveFile( fname.c_str( ) );
+  delete doc;
+  if( error != tinyxml2::XML_SUCCESS )
+  {
+    std::string m;
+    switch( error )
+    {
+    case tinyxml2::XML_NO_ATTRIBUTE:
+      m = "No attribute."; break;
+    case tinyxml2::XML_WRONG_ATTRIBUTE_TYPE:
+      m = "Wrong attribute."; break;
+    case tinyxml2::XML_ERROR_FILE_NOT_FOUND:
+      m = "File not found."; break;
+    case tinyxml2::XML_ERROR_FILE_COULD_NOT_BE_OPENED:
+      m = "File not opened."; break;
+    case tinyxml2::XML_ERROR_FILE_READ_ERROR:
+      m = "File not read."; break;
+    case tinyxml2::XML_ERROR_ELEMENT_MISMATCH:
+      m = "Element mismatch."; break;
+    case tinyxml2::XML_ERROR_PARSING_ELEMENT:
+      m = "Parsing element."; break;
+    case tinyxml2::XML_ERROR_PARSING_ATTRIBUTE:
+      m = "Parsing attribute."; break;
+    case tinyxml2::XML_ERROR_IDENTIFYING_TAG:
+      m = "Tag Id."; break;
+    case tinyxml2::XML_ERROR_PARSING_TEXT:
+      m = "Parsing text."; break;
+    case tinyxml2::XML_ERROR_PARSING_CDATA:
+      m = "Parsing cdata."; break;
+    case tinyxml2::XML_ERROR_PARSING_COMMENT:
+      m = "Parsing comment."; break;
+    case tinyxml2::XML_ERROR_PARSING_DECLARATION:
+      m = "Parsing declaration."; break;
+    case tinyxml2::XML_ERROR_PARSING_UNKNOWN:
+      m = "Parsing unknown."; break;
+    case tinyxml2::XML_ERROR_EMPTY_DOCUMENT:
+      m = "Empty document."; break;
+    case tinyxml2::XML_ERROR_MISMATCHED_ELEMENT:
+      m = "Mismatched element."; break;
+    case tinyxml2::XML_ERROR_PARSING:
+      m = "Parsing."; break;
+    case tinyxml2::XML_CAN_NOT_CONVERT_TEXT:
+      m = "Cannot convert."; break;
+    case tinyxml2::XML_NO_TEXT_NODE:
+      m = "No text."; break;
+    default:
+      m = "Unknown error."; break;
+    } // hctiws
+    throw std::runtime_error(
+      std::string( "cpPlugins::Workspace: Error while saving \"" ) +
+      fname + std::string( "\": " ) + m
+      );
+
+  } // fi
+}
+
+// eof - $RCSfile$