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author | Stefan Radomski <radomski@tk.informatik.tu-darmstadt.de> | 2014-08-18 08:23:49 (GMT) |
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committer | Stefan Radomski <radomski@tk.informatik.tu-darmstadt.de> | 2014-08-18 08:23:49 (GMT) |
commit | 8b9ae4ba7aa509f467b97ae298642fbe1710ea36 (patch) | |
tree | 68194b17601a24bf484429e0371b0ea7d953e26b /src/uscxml/plugins/datamodel | |
parent | 940de61e5b6d8651f6ea8b1626c92f5d80cb723c (diff) | |
download | uscxml-8b9ae4ba7aa509f467b97ae298642fbe1710ea36.zip uscxml-8b9ae4ba7aa509f467b97ae298642fbe1710ea36.tar.gz uscxml-8b9ae4ba7aa509f467b97ae298642fbe1710ea36.tar.bz2 |
DOM support for Lua DM via luaExpat
Diffstat (limited to 'src/uscxml/plugins/datamodel')
-rw-r--r-- | src/uscxml/plugins/datamodel/lua/LuaDataModel.cpp | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/src/uscxml/plugins/datamodel/lua/LuaDataModel.cpp b/src/uscxml/plugins/datamodel/lua/LuaDataModel.cpp index a36a5f7..ca50b75 100644 --- a/src/uscxml/plugins/datamodel/lua/LuaDataModel.cpp +++ b/src/uscxml/plugins/datamodel/lua/LuaDataModel.cpp @@ -48,11 +48,25 @@ static int luaInspect(lua_State * l) { return 0; } +bool _luaHasXMLParser = false; + static luabridge::LuaRef getDataAsLua(lua_State* _luaState, const Data& data) { luabridge::LuaRef luaData (_luaState); if (data.node) { - ERROR_EXECUTION_THROW("No DOM support in Lua datamodel"); + if (_luaHasXMLParser) { + const luabridge::LuaRef& luaLom = luabridge::getGlobal(_luaState, "lxp.lom"); + const luabridge::LuaRef& luaLomParse = luaLom["parse"]; + assert(luaLomParse.isFunction()); + std::stringstream luaXMLSS; + luaXMLSS << data.node; + try { + luaData = luaLomParse(luaXMLSS.str()); + } catch (luabridge::LuaException e) { + LOG(ERROR) << e.what(); + } + return luaData; + } } if (data.compound.size() > 0) { luaData = luabridge::newTable(_luaState); @@ -128,6 +142,19 @@ boost::shared_ptr<DataModelImpl> LuaDataModel::create(InterpreterImpl* interpret dm->_luaState = luaL_newstate(); luaL_openlibs(dm->_luaState); + try { + const luabridge::LuaRef& requireFunc = luabridge::getGlobal(dm->_luaState, "require"); + const luabridge::LuaRef& resultLxp = requireFunc("lxp"); + const luabridge::LuaRef& resultLxpLOM = requireFunc("lxp.lom"); + if (resultLxp && resultLxpLOM) { + _luaHasXMLParser = true; + luabridge::setGlobal(dm->_luaState, resultLxp, "lxp"); + luabridge::setGlobal(dm->_luaState, resultLxpLOM, "lxp.lom"); + } + } catch (luabridge::LuaException e) { + LOG(ERROR) << e.what(); + } + luabridge::getGlobalNamespace(dm->_luaState).beginClass<InterpreterImpl>("Interpreter").endClass(); luabridge::setGlobal(dm->_luaState, dm->_interpreter, "__interpreter"); @@ -222,7 +249,20 @@ void LuaDataModel::setEvent(const Event& event) { } if (event.dom) { - ERROR_EXECUTION_THROW("No DOM support in Lua datamodel"); + if (_luaHasXMLParser) { + const luabridge::LuaRef& luaLom = luabridge::getGlobal(_luaState, "lxp.lom"); + const luabridge::LuaRef& luaLomParse = luaLom["parse"]; + assert(luaLomParse.isFunction()); + std::stringstream luaXMLSS; + luaXMLSS << event.dom; + try { + luaEvent["data"] = luaLomParse(luaXMLSS.str()); + } catch (luabridge::LuaException e) { + LOG(ERROR) << e.what(); + } + } else { + ERROR_EXECUTION_THROW("No DOM support in Lua datamodel"); + } } else if (event.content.length() > 0) { // _event.data is a string or JSON Data json = Data::fromJSON(event.content); |