Add support for configurable item stat fields.

This fields defined in itemfields.xml
Can be used in items.xml

All default fields removed from ManaPlus. If need use it, please add
fields to itemfields.xml in client data.

1 files changed, 145 insertions, 0 deletions

diff --git a/src/resources/db/itemfielddb.cpp b/src/resources/db/itemfielddb.cpp
new file mode 100644
index 000000000..d7ea5e82a
--- /dev/null
+++ b/src/resources/db/itemfielddb.cpp
@@ -0,0 +1,145 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2016  The ManaPlus Developers
+ *
+ *  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 "logger.h"
+
+#include "utils/checkutils.h"
+#include "utils/dtor.h"
+
+#include "resources/beingcommon.h"
+
+#include "debug.h"
+
+namespace
+{
+    ItemFieldDb::FieldInfos mRequiredInfos;
+    ItemFieldDb::FieldInfos 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(const XmlNodePtr groupNode,
+                       ItemFieldDb::FieldInfos &fields1,
+                       ItemFieldDb::FieldInfos &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;
+        }
+        fields1[name] = new ItemFieldType(name,
+            description,
+            sign);
+    }
+}
+
+void ItemFieldDb::loadXmlFile(const std::string &fileName,
+                              const SkipError skipError)
+{
+    XML::Document doc(fileName,
+        UseResman_true,
+        skipError);
+    const XmlNodePtrConst rootNode = doc.rootNode();
+
+    if (!rootNode || !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 ItemFieldDb::FieldInfos &ItemFieldDb::getRequiredFields()
+{
+    return mRequiredInfos;
+}
+
+const ItemFieldDb::FieldInfos &ItemFieldDb::getAddFields()
+{
+    return mAddInfos;
+}