106 lines
2.3 KiB
C++
106 lines
2.3 KiB
C++
#pragma once
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#ifndef TPLUGINMANAGER_INCLUDED
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#define TPLUGINMANAGER_INCLUDED
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//
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// TPluginManager
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//
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// usage example. Main program:
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//
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// TPluginManager::instance()->setIgnored("tnzimage");
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// TPluginManager::instance()->loadStandardPlugins();
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//
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// N.B. "tnzimagevector" is ignored by default
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//
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// Plugin :
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//
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// TPluginInfo info("pluginName");
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// TLIBMAIN
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// {
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// ....
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// return &info;
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// }
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//
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//#include "tfilepath.h"
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#include "tcommon.h"
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#include <set>
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#undef DVAPI
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#undef DVVAR
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#ifdef TSYSTEM_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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class TFilePath;
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//-----------------------------------------------------------------------------
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class DVAPI TPluginInfo {
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std::string m_name;
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public:
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TPluginInfo(std::string name = "") : m_name(name){};
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~TPluginInfo(){};
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std::string getName() const { return m_name; };
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};
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//-----------------------------------------------------------------------------
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//
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// L'entry point del plugin e' TLIBMAIN {....}
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//
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#ifdef _WIN32
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#define TLIBMAIN extern "C" __declspec(dllexport) const TPluginInfo *TLibMain()
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#else
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#define TLIBMAIN extern "C" const TPluginInfo *TLibMain()
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#endif
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//-----------------------------------------------------------------------------
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class DVAPI TPluginManager { // singleton
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class Plugin;
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std::set<std::string> m_ignoreList;
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typedef std::vector<const Plugin *> PluginTable;
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PluginTable m_pluginTable;
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std::set<TFilePath> m_loadedPlugins;
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TPluginManager();
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public:
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~TPluginManager();
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static TPluginManager *instance();
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// the name should be ignored? (name only; case insensitive. e.g. "tnzimage")
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bool isIgnored(std::string name) const;
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// set names to ignore; clear previous list
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void setIgnoredList(const std::set<std::string> &lst);
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// helper method.
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void setIgnored(std::string name) {
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std::set<std::string> lst;
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lst.insert(name);
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setIgnoredList(lst);
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}
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// try to load plugin specified by fp; check if already loaded
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void loadPlugin(const TFilePath &fp);
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// load all plugins in dir
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void loadPlugins(const TFilePath &dir);
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// load all plugins in <bin>/plugins/io and <bin>/plugins/fx
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void loadStandardPlugins();
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// unload plugins (automatically called atexit)
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void unloadPlugins();
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};
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#endif
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