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Provide connection of new features in SALOME module
[modules/shaper.git] / src / Config / Config_ModuleReader.cpp
index 4e67ea46de0b1eb78ebc2edf92038aa7cc40fb0c..c533e3e3e92b69565f2a5494ee1bbdb9aeaef5d6 100644 (file)
@@ -9,19 +9,22 @@
 #include <Config_Common.h>
 #include <Config_ModuleReader.h>
 #include <Config_FeatureReader.h>
+#include <Events_Error.h>
 
 #include <libxml/parser.h>
 #include <libxml/tree.h>
 
-#ifdef _DEBUG
+//Necessary for cerr
 #include <iostream>
-#endif
-
 
+#ifdef WIN32
+#include <windows.h>
+#else
+#include <dlfcn.h>
+#endif
 
 Config_ModuleReader::Config_ModuleReader(const char* theEventGenerated)
-    : Config_XMLReader("plugins.xml"),
-      myEventGenerated(theEventGenerated)
+    : Config_XMLReader("plugins.xml"), myEventGenerated(theEventGenerated)
 {
 }
 
@@ -52,9 +55,9 @@ void Config_ModuleReader::processNode(xmlNodePtr theNode)
   if (isNode(theNode, NODE_PLUGIN, NULL)) {
     std::string aPluginConf = getProperty(theNode, PLUGIN_CONFIG);
     std::string aPluginLibrary = getProperty(theNode, PLUGIN_LIBRARY);
-    std::list<std::string> aFeatures = importPlugin(aPluginConf, aPluginLibrary);
+    std::list<std::string> aFeatures = importPlugin(aPluginLibrary, aPluginConf);
     std::list<std::string>::iterator it = aFeatures.begin();
-    for( ; it != aFeatures.end(); it++ ) {
+    for(; it != aFeatures.end(); it++) {
       myFeaturesInFiles[*it] = aPluginConf;
     }
   }
@@ -65,14 +68,38 @@ bool Config_ModuleReader::processChildren(xmlNodePtr theNode)
   return isNode(theNode, NODE_PLUGINS, NULL);
 }
 
-std::list<std::string>
-Config_ModuleReader::importPlugin(const std::string& thePluginFile,
-                                  const std::string& thePluginLibrary)
+std::list<std::string> Config_ModuleReader::importPlugin(const std::string& thePluginLibrary,
+                                                         const std::string& thePluginFile)
 {
-  Config_FeatureReader aReader = Config_FeatureReader(thePluginFile,
-                                                      thePluginLibrary,
+  if (thePluginFile.empty()) { //probably a third party library
+    loadLibrary(thePluginLibrary);
+    return std::list<std::string>();
+  }
+
+  Config_FeatureReader aReader = Config_FeatureReader(thePluginFile, thePluginLibrary,
                                                       myEventGenerated);
   aReader.readAll();
   return aReader.features();
 }
 
+void Config_ModuleReader::loadLibrary(const std::string theLibName)
+{
+  std::string aFileName = library(theLibName);
+  if (aFileName.empty())
+    return;
+
+#ifdef WIN32
+  HINSTANCE aModLib = ::LoadLibrary(aFileName.c_str());
+  if (!aModLib) {
+    std::string errorMsg = "Failed to load " + aFileName;
+    std::cerr << errorMsg << std::endl;
+    Events_Error::send(errorMsg);
+  }
+#else
+  void* aModLib = dlopen( aFileName.c_str(), RTLD_LAZY | RTLD_GLOBAL );
+  if ( !aModLib ) {
+    std::cerr << "Failed to load " << aFileName.c_str() << std::endl;
+  }
+#endif
+}
+