784 lines
19 KiB
C++
784 lines
19 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "db_description_parser.h"
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#include <nel/misc/mem_stream.h>
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#include <nel/misc/file.h>
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#include "game_share/backup_service_interface.h"
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#include "pds_common.h"
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//#include "pds_type.h"
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/*
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* Globals
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*/
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namespace RY_PDS
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{
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extern NLMISC::CVariable<bool> PDUseBS;
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}
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using namespace std;
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using namespace NLMISC;
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using namespace RY_PDS;
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/*
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* Constructor
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*/
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CDBDescriptionParser::CDBDescriptionParser()
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{
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}
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/*
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* Load database description
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*/
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bool CDBDescriptionParser::loadDescriptionFile(const string& filename)
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{
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CIFile ifile;
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if (!ifile.open(filename))
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return false;
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uint sz = ifile.getFileSize();
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uint8* buffer = new uint8[sz+1];
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ifile.serialBuffer(buffer, sz);
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buffer[sz] = 0;
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bool success = loadDescription(buffer);
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delete buffer;
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return success;
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}
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/*
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* Load database description
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*/
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bool CDBDescriptionParser::loadDescription(const uint8* description)
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{
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uint sz = (uint)strlen((const char*)description);
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// set description and compute hashkey
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_Description = (const char*)description;
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_HashKey = getSHA1(description, sz);
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// init stream
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CMemStream stream(true);
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stream.fill(description, sz);
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// check file parsed
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CIXml xmlStream;
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bool xmlParsed = false;
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try
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{
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if (xmlStream.init(stream))
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xmlParsed = true;
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}
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catch (const EXmlParsingError &e)
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{
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nlwarning("CDBDescriptionParser::loadDescription(): failed, parse error in xml: %s", e.what());
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return false;
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}
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if (!xmlParsed)
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{
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nlwarning("CDBDescriptionParser::loadDescription(): failed, couldn't init xml stream");
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return false;
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}
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return loadDescription(xmlStream);
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}
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/*
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* Load database description
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*/
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bool CDBDescriptionParser::loadDescription(NLMISC::CIXml& xmlStream)
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{
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// check root node
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xmlNodePtr root = xmlStream.getRootNode();
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if (root == NULL)
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{
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nlwarning("CDBDescriptionParser::loadDescription(): failed, unable to getRootNode in XML stream");
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return false;
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}
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// check db node
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xmlNodePtr dbNode = CIXml::getFirstChildNode(root, "db");
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if (dbNode == NULL)
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{
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nlwarning("CDBDescriptionParser::loadDescription(): failed, unable to get XML 'db' childNode in XML stream");
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return false;
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}
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return loadDatabase(dbNode);
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}
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/*
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* Save database description
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*/
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//bool CDBDescriptionParser::saveDescription(const std::string& filename)
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//{
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// // get a pointer to the buffer that we want to output to file
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// char* buffer = const_cast<char*>(_Description.c_str());
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//
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// // see whether we're using the backup system or not
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// if (!PDUseBS)
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// {
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// // not using BS so write directly to disk
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// COFile ofile;
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// if (!ofile.open(filename))
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// {
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// nlwarning("CDBDescriptionParser::saveDescription(): open '%s' file", filename.c_str());
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// return false;
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// }
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// ofile.serialBuffer((uint8*)buffer, _Description.size());
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// }
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// else
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// {
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// // using BS so send network message to remote backup service
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// CBackupMsgSaveFile msgBS( filename, CBackupMsgSaveFile::SaveFileCheck, PDBsi );
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// msgBS.DataMsg.serialBuffer((uint8*)buffer, _Description.size());
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// PDBsi.sendFile(msgBS);
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// }
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//
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// return true;
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//}
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/*
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* Load Database
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*/
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bool CDBDescriptionParser::loadDatabase(xmlNodePtr node)
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{
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if (!getProperty(node, "name", _Database.Name))
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return false;
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xmlNodePtr typeNode;
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FOREACH_CHILD(typeNode, node, typedef)
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{
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if (!loadType(typeNode))
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{
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nlwarning("CDBDescriptionParser::loadDatabase(): failed to load type");
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return false;
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}
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}
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xmlNodePtr tableNode;
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FOREACH_CHILD(tableNode, node, classdef)
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{
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if (!loadTable(tableNode))
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{
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nlwarning("CDBDescriptionParser::loadDatabase(): failed to load table");
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return false;
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}
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}
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xmlNodePtr logNode;
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FOREACH_CHILD(logNode, node, logmsg)
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{
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if (!loadLog(logNode))
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{
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nlwarning("CDBDescriptionParser::loadDatabase(): failed to load log");
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return false;
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}
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}
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return true;
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}
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/*
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* Load Type
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*/
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bool CDBDescriptionParser::loadType(xmlNodePtr node)
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{
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uint id;
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if (!getProperty(node, "id", id))
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{
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nlwarning("CDBDescriptionParser::loadType(): missing property 'id' in type node");
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return false;
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}
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if (id >= _Database.Types.size())
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_Database.Types.resize(id+1);
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CTypeNode& typeNode = _Database.Types[id];
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string storage;
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string type;
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typeNode.Id = id;
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if (!getProperty(node, "name", typeNode.Name) ||
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!getProperty(node, "size", typeNode.ByteSize) ||
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!getProperty(node, "storage", storage) ||
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!getProperty(node, "type", type))
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{
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nlwarning("CDBDescriptionParser::loadType(): missing property in type node");
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return false;
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}
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typeNode.DataType = getDataTypeFromName(storage);
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if (type == "enum")
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{
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typeNode.Type = CTypeNode::TypeEnum;
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typeNode.Dimension = 0;
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xmlNodePtr enumNode;
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FOREACH_CHILD(enumNode, node, enumvalue)
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{
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string name;
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uint32 value;
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if (!getProperty(enumNode, "name", name) ||
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!getProperty(enumNode, "value", value))
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{
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nlwarning("CDBDescriptionParser::loadType(): missing property in enum node");
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return false;
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}
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typeNode.EnumValues.push_back(std::pair<string, uint32>(name, value));
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if (typeNode.Dimension <= value)
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typeNode.Dimension = value;
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}
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}
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else if (type == "dimension")
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{
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typeNode.Type = CTypeNode::TypeDimension;
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if (!getProperty(node, "dimension", typeNode.Dimension))
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{
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nlwarning("CDBDescriptionParser::loadType(): missing property in dimension node");
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return false;
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}
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}
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else if (type == "type")
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{
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typeNode.Type = CTypeNode::TypeSimple;
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}
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else
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{
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nlwarning("type '%s' is unknown", type.c_str());
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return false;
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}
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return true;
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}
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/*
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* Load Table description
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*/
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bool CDBDescriptionParser::loadTable(xmlNodePtr node)
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{
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uint id;
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if (!getProperty(node, "id", id))
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{
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nlwarning("CDBDescriptionParser::loadTable(): missing property 'id' in table node");
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return false;
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}
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if (id >= _Database.Tables.size())
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_Database.Tables.resize(id+1);
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CTableNode& table = _Database.Tables[id];
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table.Id = id;
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if (!getProperty(node, "name", table.Name))
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{
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nlwarning("CDBDescriptionParser::loadTable(): missing property 'name' in table node");
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return false;
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}
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getProperty(node, "inherit", table.Inherit, -1);
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getProperty(node, "mapped", table.Mapped, -1);
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getProperty(node, "key", table.Key, -1);
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xmlNodePtr attributeNode;
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FOREACH_CHILD(attributeNode, node, attribute)
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{
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if (!loadAttribute(attributeNode, table))
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{
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nlwarning("CDBDescriptionParser::loadTable(): failed to load attribute");
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return false;
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}
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}
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return true;
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}
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/**
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* Load attribute description
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*/
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bool CDBDescriptionParser::loadAttribute(xmlNodePtr node, CTableNode& table)
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{
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uint id;
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if (!getProperty(node, "id", id))
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{
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nlwarning("CDBDescriptionParser::loadAttribute(): missing property 'id' in attribute node");
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return false;
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}
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if (id >= table.Attributes.size())
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table.Attributes.resize(id+1);
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CAttributeNode& attribute = table.Attributes[id];
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attribute.Id = id;
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attribute.AllowNull = false;
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string type;
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if (!getProperty(node, "name", attribute.Name) ||
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!getProperty(node, "columnid", attribute.ColumnId) ||
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!getProperty(node, "columns", attribute.Columns) ||
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!getProperty(node, "type", type))
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{
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nlwarning("CDBDescriptionParser::loadAttribute(): missing property in attribute node");
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return false;
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}
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attribute.MetaType = getMetaTypeFromName(type);
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switch (attribute.MetaType)
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{
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case PDS_ArrayType:
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if (!getProperty(node, "indexid", attribute.Index))
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{
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nlwarning("CDBDescriptionParser::loadAttribute(): missing property 'indexid' in attribute node");
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return false;
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}
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case PDS_Type:
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if (!getProperty(node, "typeid", attribute.TypeId))
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{
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nlwarning("CDBDescriptionParser::loadAttribute(): missing property 'typeid' in attribute node");
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return false;
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}
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break;
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case PDS_ArrayClass:
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if (!getProperty(node, "indexid", attribute.Index))
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{
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nlwarning("CDBDescriptionParser::loadAttribute(): missing property 'indexid' in attribute node");
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return false;
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}
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case PDS_Class:
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if (!getProperty(node, "classid", attribute.TypeId))
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{
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nlwarning("CDBDescriptionParser::loadAttribute(): missing property 'classid' in attribute node");
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return false;
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}
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break;
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case PDS_BackRef:
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if (!getProperty(node, "classid", attribute.TypeId) ||
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!getProperty(node, "backreferentid", attribute.Reference))
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{
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nlwarning("CDBDescriptionParser::loadAttribute(): missing property 'classid' or 'backreferentid' in attribute node");
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return false;
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}
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break;
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case PDS_ArrayRef:
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if (!getProperty(node, "indexid", attribute.Index) ||
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!getProperty(node, "allownull", attribute.AllowNull))
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{
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nlwarning("CDBDescriptionParser::loadAttribute(): missing property 'indexid' in attribute node");
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return false;
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}
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case PDS_ForwardRef:
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case PDS_Set:
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if (!getProperty(node, "classid", attribute.TypeId) ||
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!getProperty(node, "forwardreferedid", attribute.Reference))
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{
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nlwarning("CDBDescriptionParser::loadAttribute(): missing property 'classid' or 'forwardreferedid' in attribute node");
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return false;
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}
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break;
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default:
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break;
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}
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return true;
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}
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/**
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* Load attribute description
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*/
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bool CDBDescriptionParser::loadLog(xmlNodePtr node)
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{
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uint id;
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if (!getProperty(node, "id", id))
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{
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nlwarning("CDBDescriptionParser::loadLog(): missing property 'id' in logmsg node");
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return false;
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}
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if (id >= _Database.Logs.size())
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_Database.Logs.resize(id+1);
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CLogNode& log = _Database.Logs[id];
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log.Id = id;
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if (!getProperty(node, "context", log.Context))
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{
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nlwarning("CDBDescriptionParser::loadLog(): missing property 'context' in logmsg node");
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return false;
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}
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xmlNodePtr paramNode;
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FOREACH_CHILD(paramNode, node, param)
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{
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uint id;
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if (!getProperty(paramNode, "id", id))
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{
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nlwarning("CDBDescriptionParser::loadLog(): missing property 'id' in logmsg.param node");
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return false;
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}
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if (id >= log.Parameters.size())
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log.Parameters.resize(id+1);
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std::string logType;
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if (getProperty(paramNode, "typeid", logType))
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{
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if (logType == "string")
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{
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log.Parameters[id].TypeId = ExtLogTypeString;
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}
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else
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{
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NLMISC::fromString(logType, log.Parameters[id].TypeId);
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}
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}
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else
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{
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nlwarning("CDBDescriptionParser::loadLog(): missing property 'typeid' in logmsg.param node");
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return false;
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}
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}
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uint i;
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uint byteOffset = 0;
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for (i=0; i<log.Parameters.size(); ++i)
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{
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if (log.Parameters[i].TypeId == ExtLogTypeString)
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{
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log.Parameters[i].ByteOffset = byteOffset;
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log.Parameters[i].ByteSize = 2;
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log.Parameters[i].DataType = ExtLogTypeString;
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}
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else
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{
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log.Parameters[i].ByteOffset = byteOffset;
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log.Parameters[i].ByteSize = _Database.Types[log.Parameters[i].TypeId].ByteSize;
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log.Parameters[i].DataType = _Database.Types[log.Parameters[i].TypeId].DataType;
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}
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byteOffset += log.Parameters[i].ByteSize;
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}
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xmlNodePtr msgNode = CIXml::getFirstChildNode(node, "msg");
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if (msgNode == NULL)
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{
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nlwarning("CDBDescriptionParser::loadLog(): failed to find msg child node in logmsg node");
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return false;
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}
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if (!CIXml::getContentString(log.Message, msgNode))
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{
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nlwarning("CDBDescriptionParser::loadLog(): failed to get msg child node content");
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return false;
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}
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return true;
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}
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/*
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* Build Columns
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*/
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bool CDBDescriptionParser::buildColumns()
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{
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bool success = true;
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uint i;
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for (i=0; i<_Database.Tables.size(); ++i)
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{
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if (!buildColumns(i))
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{
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success = false;
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nlwarning("CDBDescriptionParser::buildColumns(): failed to build columns for table %d of database '%s'", i, _Database.Name.c_str());
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}
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}
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return success;
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}
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/*
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* Build Table Columns
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*/
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bool CDBDescriptionParser::buildColumns(uint tableIndex)
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{
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if (tableIndex >= _Database.Tables.size())
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return false;
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CTableNode& table = _Database.Tables[tableIndex];
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if (table.ColumnsBuilt)
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return true;
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uint i;
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for (i=0; i<table.Attributes.size(); ++i)
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{
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CAttributeNode& attribute = table.Attributes[i];
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CColumnNode column;
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switch (attribute.MetaType)
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{
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case PDS_Type:
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{
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if (attribute.TypeId >= _Database.Types.size())
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{
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nlwarning("CDBDescriptionParser::buildColumns(): Can't access type %d in database '%s'", attribute.TypeId, _Database.Name.c_str());
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return false;
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}
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column.Index = (uint)table.Columns.size();
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column.Name = attribute.Name;
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column.TypeId = attribute.TypeId;
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column.DataType = _Database.Types[attribute.TypeId].DataType;
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column.ByteSize = _Database.Types[attribute.TypeId].ByteSize;
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table.Columns.push_back(column);
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}
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break;
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case PDS_Class:
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{
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if (attribute.TypeId >= _Database.Tables.size())
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{
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nlwarning("CDBDescriptionParser::buildColumns(): Can't access table %d in database '%s'", attribute.TypeId, _Database.Name.c_str());
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return false;
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}
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if (!buildColumns(attribute.TypeId))
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{
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nlwarning("CDBDescriptionParser::buildColumns(): Failed to build columns for table %d in database '%s'", attribute.TypeId, _Database.Name.c_str());
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return false;
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}
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CTableNode& subtable = _Database.Tables[attribute.TypeId];
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|
|
uint j;
|
|
for (j=0; j<subtable.Columns.size(); ++j)
|
|
{
|
|
CColumnNode& copy = subtable.Columns[j];
|
|
column.Index = (uint)table.Columns.size();
|
|
column.Name = attribute.Name+"."+copy.Name;
|
|
column.TypeId = copy.TypeId;
|
|
column.DataType = copy.DataType;
|
|
column.ByteSize = copy.ByteSize;
|
|
table.Columns.push_back(column);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case PDS_BackRef:
|
|
{
|
|
column.Index = (uint)table.Columns.size();
|
|
column.Name = attribute.Name;
|
|
column.TypeId = attribute.TypeId;
|
|
column.DataType = PDS_Index;
|
|
column.ByteSize = 8; /// \todo remove hardcoded value
|
|
table.Columns.push_back(column);
|
|
}
|
|
break;
|
|
|
|
case PDS_ForwardRef:
|
|
{
|
|
column.Index = (uint)table.Columns.size();
|
|
column.Name = attribute.Name;
|
|
column.TypeId = attribute.TypeId;
|
|
column.DataType = PDS_Index;
|
|
column.ByteSize = 8; /// \todo remove hardcoded value
|
|
table.Columns.push_back(column);
|
|
}
|
|
break;
|
|
|
|
case PDS_ArrayType:
|
|
{
|
|
if (attribute.TypeId >= _Database.Types.size())
|
|
{
|
|
nlwarning("CDBDescriptionParser::buildColumns(): Can't access type %d in database '%s'", attribute.TypeId, _Database.Name.c_str());
|
|
return false;
|
|
}
|
|
|
|
if (attribute.Index >= _Database.Types.size() || (_Database.Types[attribute.Index].Type != CTypeNode::TypeEnum && _Database.Types[attribute.Index].Type != CTypeNode::TypeDimension))
|
|
{
|
|
nlwarning("CDBDescriptionParser::buildColumns(): Can't access index %d (or is not index) in database '%s'", attribute.Index, _Database.Name.c_str());
|
|
return false;
|
|
}
|
|
|
|
CTypeNode& index = _Database.Types[attribute.Index];
|
|
uint j;
|
|
for (j=0; j<index.Dimension; ++j)
|
|
{
|
|
column.Index = (uint)table.Columns.size();
|
|
column.Name = attribute.Name + '[' + (index.Type == CTypeNode::TypeDimension ? toString(j) : index.getEnumName(j)) + ']';
|
|
column.TypeId = attribute.TypeId;
|
|
column.DataType = _Database.Types[attribute.TypeId].DataType;
|
|
table.Columns.push_back(column);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case PDS_ArrayClass:
|
|
{
|
|
if (attribute.TypeId >= _Database.Tables.size())
|
|
{
|
|
nlwarning("CDBDescriptionParser::buildColumns(): Can't access table %d in database '%s'", attribute.TypeId, _Database.Name.c_str());
|
|
return false;
|
|
}
|
|
|
|
if (attribute.Index >= _Database.Types.size() || (_Database.Types[attribute.Index].Type != CTypeNode::TypeEnum && _Database.Types[attribute.Index].Type != CTypeNode::TypeDimension))
|
|
{
|
|
nlwarning("CDBDescriptionParser::buildColumns(): Can't access index %d (or is not index) in database '%s'", attribute.Index, _Database.Name.c_str());
|
|
return false;
|
|
}
|
|
|
|
if (!buildColumns(attribute.TypeId))
|
|
{
|
|
nlwarning("CDBDescriptionParser::buildColumns(): Failed to build columns for table %d in database '%s'", attribute.TypeId, _Database.Name.c_str());
|
|
return false;
|
|
}
|
|
|
|
CTableNode& subtable = _Database.Tables[attribute.TypeId];
|
|
CTypeNode& index = _Database.Types[attribute.Index];
|
|
uint j;
|
|
for (j=0; j<index.Dimension; ++j)
|
|
{
|
|
uint k;
|
|
for (k=0; k<subtable.Columns.size(); ++k)
|
|
{
|
|
CColumnNode& copy = subtable.Columns[k];
|
|
column.Index = (uint)table.Columns.size();
|
|
column.Name = attribute.Name + '[' + (index.Type == CTypeNode::TypeDimension ? toString(j) : index.getEnumName(j)) + ']' + '.' + copy.Name;
|
|
column.TypeId = copy.TypeId;
|
|
column.DataType = copy.DataType;
|
|
column.ByteSize = copy.ByteSize;
|
|
table.Columns.push_back(column);
|
|
}
|
|
}
|
|
|
|
}
|
|
break;
|
|
|
|
case PDS_ArrayRef:
|
|
{
|
|
if (attribute.Index >= _Database.Types.size() || (_Database.Types[attribute.Index].Type != CTypeNode::TypeEnum && _Database.Types[attribute.Index].Type != CTypeNode::TypeDimension))
|
|
{
|
|
nlwarning("CDBDescriptionParser::buildColumns(): Can't access index %d (or is not index) in database '%s'", attribute.Index, _Database.Name.c_str());
|
|
return false;
|
|
}
|
|
|
|
CTypeNode& index = _Database.Types[attribute.Index];
|
|
uint j;
|
|
for (j=0; j<index.Dimension; ++j)
|
|
{
|
|
column.Index = (uint)table.Columns.size();
|
|
column.Name = attribute.Name + '[' + (index.Type == CTypeNode::TypeDimension ? toString(j) : index.getEnumName(j)) + ']';
|
|
column.TypeId = attribute.TypeId;
|
|
column.DataType = PDS_Index;
|
|
column.ByteSize = 8; /// \todo remove hardcoded value
|
|
table.Columns.push_back(column);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case PDS_Set:
|
|
{
|
|
column.Index = (uint)table.Columns.size();
|
|
column.Name = attribute.Name;
|
|
column.TypeId = attribute.TypeId;
|
|
column.DataType = PDS_List;
|
|
column.ByteSize = 4; /// \todo remove hardcoded value
|
|
table.Columns.push_back(column);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
table.ColumnsBuilt = true;
|
|
return true;
|
|
}
|
|
|
|
|
|
/*
|
|
* Display whole database node info
|
|
*/
|
|
void CDBDescriptionParser::display(NLMISC::CLog& log) const
|
|
{
|
|
log.displayNL("Display of database '%s'", _Database.Name.c_str());
|
|
|
|
uint i;
|
|
for (i=0; i<_Database.Tables.size(); ++i)
|
|
{
|
|
log.displayNL("%2d: %32s %d columns", i, _Database.Tables[i].Name.c_str(), _Database.Tables[i].Columns.size());
|
|
}
|
|
|
|
log.displayNL("End of database '%s'", _Database.Name.c_str());
|
|
}
|
|
|
|
/*
|
|
* Display Table node info
|
|
*/
|
|
void CDBDescriptionParser::displayTable(uint table, NLMISC::CLog& log) const
|
|
{
|
|
if (table >= _Database.Tables.size())
|
|
return;
|
|
|
|
log.displayNL("Display of table '%s'", _Database.Tables[table].Name.c_str());
|
|
|
|
uint i;
|
|
for (i=0; i<_Database.Tables[table].Columns.size(); ++i)
|
|
{
|
|
if (checkStrictDataType(_Database.Tables[table].Columns[i].DataType))
|
|
{
|
|
const CTypeNode& type = _Database.Types[_Database.Tables[table].Columns[i].TypeId];
|
|
log.displayNL("%5d: %32s %s", i, _Database.Tables[table].Columns[i].Name.c_str(), type.Name.c_str());
|
|
}
|
|
else
|
|
{
|
|
log.displayNL("%5d: %32s %s", i, _Database.Tables[table].Columns[i].Name.c_str(), getNameFromDataType(_Database.Tables[table].Columns[i].DataType).c_str());
|
|
}
|
|
}
|
|
|
|
log.displayNL("End of table '%s'", _Database.Tables[table].Name.c_str());
|
|
}
|
|
|