1 files changed, 114 insertions, 0 deletions
diff --git a/src/common/DataStores/DBCFileLoader.h b/src/common/DataStores/DBCFileLoader.h
new file mode 100644
index 00000000000..85cad0d9e7b
--- /dev/null
+++ b/src/common/DataStores/DBCFileLoader.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2008-2017 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * 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 (at your
+ * option) 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/>.
+ */
+
+#ifndef DBC_FILE_LOADER_H
+#define DBC_FILE_LOADER_H
+
+#include "Define.h"
+#include "Utilities/ByteConverter.h"
+#include <cassert>
+
+enum DbcFieldFormat
+{
+    FT_NA='x',                                              //not used or unknown, 4 byte size
+    FT_NA_BYTE='X',                                         //not used or unknown, byte
+    FT_STRING='s',                                          //char*
+    FT_FLOAT='f',                                           //float
+    FT_INT='i',                                             //uint32
+    FT_BYTE='b',                                            //uint8
+    FT_SORT='d',                                            //sorted by this field, field is not included
+    FT_IND='n',                                             //the same, but parsed to data
+    FT_LOGIC='l',                                           //Logical (boolean)
+    FT_SQL_PRESENT='p',                                     //Used in sql format to mark column present in sql dbc
+    FT_SQL_ABSENT='a'                                       //Used in sql format to mark column absent in sql dbc
+};
+
+class TC_COMMON_API DBCFileLoader
+{
+    public:
+        DBCFileLoader();
+        ~DBCFileLoader();
+
+        bool Load(const char *filename, const char *fmt);
+
+        class Record
+        {
+            public:
+                float getFloat(size_t field) const
+                {
+                    assert(field < file.fieldCount);
+                    float val = *reinterpret_cast<float*>(offset+file.GetOffset(field));
+                    EndianConvert(val);
+                    return val;
+                }
+                uint32 getUInt(size_t field) const
+                {
+                    assert(field < file.fieldCount);
+                    uint32 val = *reinterpret_cast<uint32*>(offset+file.GetOffset(field));
+                    EndianConvert(val);
+                    return val;
+                }
+                uint8 getUInt8(size_t field) const
+                {
+                    assert(field < file.fieldCount);
+                    return *reinterpret_cast<uint8*>(offset+file.GetOffset(field));
+                }
+
+                const char *getString(size_t field) const
+                {
+                    assert(field < file.fieldCount);
+                    size_t stringOffset = getUInt(field);
+                    assert(stringOffset < file.stringSize);
+                    return reinterpret_cast<char*>(file.stringTable + stringOffset);
+                }
+
+            private:
+                Record(DBCFileLoader &file_, unsigned char *offset_): offset(offset_), file(file_) { }
+                unsigned char *offset;
+                DBCFileLoader &file;
+
+                friend class DBCFileLoader;
+
+        };
+
+        // Get record by id
+        Record getRecord(size_t id);
+        /// Get begin iterator over records
+
+        uint32 GetNumRows() const { return recordCount; }
+        uint32 GetRowSize() const { return recordSize; }
+        uint32 GetCols() const { return fieldCount; }
+        uint32 GetOffset(size_t id) const { return (fieldsOffset != nullptr && id < fieldCount) ? fieldsOffset[id] : 0; }
+        bool IsLoaded() const { return data != nullptr; }
+        char* AutoProduceData(char const* fmt, uint32& count, char**& indexTable);
+        char* AutoProduceStrings(char const* fmt, char* dataTable);
+        static uint32 GetFormatRecordSize(const char * format, int32 * index_pos = nullptr);
+    private:
+
+        uint32 recordSize;
+        uint32 recordCount;
+        uint32 fieldCount;
+        uint32 stringSize;
+        uint32 *fieldsOffset;
+        unsigned char *data;
+        unsigned char *stringTable;
+
+        DBCFileLoader(DBCFileLoader const& right) = delete;
+        DBCFileLoader& operator=(DBCFileLoader const& right) = delete;
+};
+#endif