itemfielddb.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2016-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "resources/db/itemfielddb.h"
 
#include "configuration.h"
 
#include "utils/checkutils.h"
#include "utils/dtor.h"
 
#include "resources/beingcommon.h"
 
#include "resources/item/itemfieldtype.h"
 
#include "debug.h"
 
namespace
{
 ItemFieldInfos mRequiredInfos;
 ItemFieldInfos mAddInfos;
 bool mLoaded = false;
} // namespace
 
void ItemFieldDb::load()
{
 if (mLoaded)
 unload();
 
 logger->log1("Initializing item field database...");
 
 loadXmlFile(paths.getStringValue("itemFieldsFile"), SkipError_false);
 loadXmlFile(paths.getStringValue("itemFieldsPatchFile"), SkipError_true);
 loadXmlDir("itemFieldsPatchDir", loadXmlFile)
 mLoaded = true;
}
 
static void loadFields(XmlNodeConstPtr groupNode,
 ItemFieldInfos &fields1,
 ItemFieldInfos &fields2)
{
 for_each_xml_child_node(node, groupNode)
 {
 if (!xmlNameEqual(node, "field"))
 continue;
 
 const std::string name = XML::getProperty(node,
 "name",
 "");
 if (name.empty())
 {
 reportAlways("Empty name field in ItemFieldDb")
 continue;
 }
 const std::string description = XML::langProperty(node,
 "description",
 "");
 if (description.empty())
 {
 reportAlways("Empty description field in ItemFieldDb")
 continue;
 }
 const bool sign = XML::getBoolProperty(node,
 "signed",
 true);
 if (fields2.find(name) != fields2.end())
 {
 reportAlways(
 "Same field name detected in requeted and add groups: %s",
 name.c_str())
 continue;
 }
 if (fields1.find(name) != fields1.end())
 {
 reportAlways(
 "Same field name detected: %s",
 name.c_str())
 continue;
 }
 fields1[name] = new ItemFieldType(name,
 description,
 sign);
 }
}
 
void ItemFieldDb::loadXmlFile(const std::string &fileName,
 const SkipError skipError)
{
 XML::Document doc(fileName,
 UseVirtFs_true,
 skipError);
 XmlNodeConstPtrConst rootNode = doc.rootNode();
 
 if ((rootNode == nullptr) || !xmlNameEqual(rootNode, "itemfields"))
 {
 logger->log("ItemFieldDb: Error while loading %s!",
 fileName.c_str());
 return;
 }
 
 for_each_xml_child_node(node, rootNode)
 {
 if (xmlNameEqual(node, "include"))
 {
 const std::string name = XML::getProperty(node, "name", "");
 if (!name.empty())
 loadXmlFile(name, skipError);
 continue;
 }
 
 if (xmlNameEqual(node, "required"))
 loadFields(node, mRequiredInfos, mAddInfos);
 else if (xmlNameEqual(node, "add"))
 loadFields(node, mAddInfos, mRequiredInfos);
 }
}
 
void ItemFieldDb::unload()
{
 logger->log1("Unloading item database...");
 
 delete_all(mRequiredInfos);
 mRequiredInfos.clear();
 delete_all(mAddInfos);
 mAddInfos.clear();
 mLoaded = false;
}
 
const ItemFieldInfos &ItemFieldDb::getRequiredFields()
{
 return mRequiredInfos;
}
 
const ItemFieldInfos &ItemFieldDb::getAddFields()
{
 return mAddInfos;
}