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src/Parameters/PluginsParser.cc 4.03 KB
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/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/*
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 * File:   PluginsParser.cc
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 * Author: hacene
 * 
 * Created on March 17, 2020, 10:16 AM
 */

#include "PluginsParser.hh"
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#include "NodeCfg.hh"
#include <boost/lexical_cast.hpp>
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using namespace AMDA::XMLConfigurator;
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namespace AMDA {
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    namespace Parameters {
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        class PluginNode : public NodeCfg {
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            void proceed(xmlNodePtr pNode, const AMDA::Parameters::CfgContext& pContext) {
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                if ((pNode->children != NULL) && (pNode->children->content != NULL)) {
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                    AMDA::Parameters::PluginObject *pluginObject = pContext.get<AMDA::Parameters::PluginObject *>();
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                    if (pluginObject != NULL) {
                        pluginObject->setPluginPath(std::string((char*) pNode->children->content));
                    } else {
                        // throw exception 
                    }
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                }
            }
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        };
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        class RequestProcessNode : public NodeGrpCfg {
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        public:
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            RequestProcessNode() : NodeGrpCfg() {
                getChildList()["plugin"] = NodeCfgSPtr(new PluginNode);
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            }
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            void proceed(xmlNodePtr pNode, const AMDA::Parameters::CfgContext& pContext) {
                xmlChar* value = xmlGetProp(pNode, (const xmlChar *) "name");
                std::string name;
                if (value != NULL) {
                    name = (char *) value;
                    xmlFree(value);
                }
                value = xmlGetProp(pNode, (const xmlChar *) "type");
                std::string type;
                if (value != NULL) {
                    type = (char *) value;
                    xmlFree(value);
                }
                if (!name.empty() && !type.empty()) {
                    AMDA::Parameters::CfgContext ctx;
                    PluginObject pluginObject;
                    ctx.push<PluginObject*>(&pluginObject);
                    pluginObject.setRequestProcess(name);
                    pluginObject.setType(type);

                    NodeGrpCfg::proceed(pNode, ctx);
                    AMDA::Parameters::AMDA_ProcessPluginMaps *processPluginMaps = pContext.get<AMDA::Parameters::AMDA_ProcessPluginMaps *>();
                    (*processPluginMaps)[type][name] = pluginObject.getPluginPath();
                }
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            }
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        };
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        ///////////////////////////////////////////////////////////////////////////////

        /*
         * @brief plugins node
         */
        class PluginsNode : public NodeGrpCfg {
        public:

            PluginsNode() : NodeGrpCfg() {
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                getChildList()["requestProcess"] = NodeCfgSPtr(new RequestProcessNode);
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            }

            void proceed(xmlNodePtr pNode, const AMDA::Parameters::CfgContext& pContext) {
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                // Proceed nodes
                NodeGrpCfg::proceed(pNode, pContext);
            }
        };

        ///////////////////////////////////////////////////////////////////////////////

        /*
         * @brief plugins node parser
         */
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        PluginsParser::PluginsParser(const char* pXSDFile) : XMLConfigurator(pXSDFile, true) {
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            // functions root node
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            getXmlConfiguratorMap()["plugins"] = RootNodeCfgSPtr(new PluginsNode());
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        }
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        AMDA::Parameters::AMDA_ProcessPluginMaps PluginsParser::parse(const std::string& pluginsFile) {
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            AMDA::Parameters::CfgContext ctx;
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            AMDA::Parameters::AMDA_ProcessPluginMaps processPluginMaps;
            ctx.push<AMDA::Parameters::AMDA_ProcessPluginMaps *> (&processPluginMaps);
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            // Check schema validity and parse xml file
            try {
                if (!XMLConfigurator::proceed(pluginsFile.c_str(), ctx, true)) {
                    return processPluginMaps;
                }
            } catch (...) {
                throw;
            }
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            return processPluginMaps;
        }
    } // end AMDA
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} //end parameters