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+/* Starshatter OpenSource Distribution
+ Copyright (c) 1997-2004, Destroyer Studios LLC.
+ All Rights Reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+ * Neither the name "Destroyer Studios" nor the names of its contributors
+ may be used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+
+ SUBSYSTEM: DataFile.exe
+ FILE: Archive.hpp
+ AUTHOR: John DiCamillo
+
+*/
+
+#ifndef ARCHIVE_HPP
+#define ARCHIVE_HPP
+
+// +------------------------------------------------------------------+
+
+#define VERSION 0x0010
+#define BLOCK_SIZE 1024
+#define MAX_FILES 8192
+#define FILE_BLOCK 1024
+#define NAMELEN 64
+
+// +------------------------------------------------------------------+
+
+struct DataHeader
+{
+ DWORD version;
+ DWORD nfiles;
+ DWORD dir_blocks;
+ DWORD dir_size_comp;
+ DWORD dir_offset;
+};
+
+struct DataEntry
+{
+ char name[NAMELEN];
+ DWORD size_orig;
+ DWORD size_comp;
+ DWORD offset;
+};
+
+class DataArchive
+{
+public:
+ // ctor:
+ DataArchive(const char* name = 0);
+ ~DataArchive();
+
+ // operations:
+ void LoadDatafile(const char* name);
+ void Insert(const char* name);
+ void Extract(const char* name);
+ void Remove(const char* name);
+ void List();
+
+ void WriteEntry(int index, BYTE* buf);
+ int FindEntry(const char* req_name);
+ int ExpandEntry(int index, BYTE*& buf);
+ BYTE* CompressEntry(int index);
+ int InsertEntry(const char* name);
+ void RemoveEntry(int index);
+ DWORD Blocks(DWORD raw_size);
+ DWORD DirBlocks();
+ DWORD FileBlocks(int index);
+ int FindDataBlocks(int blocks_needed);
+ void CreateBlockMap();
+
+ DWORD NumFiles() { return header.nfiles; }
+ DataEntry* GetFile(int i) { if (i>=0 && i<(int)header.nfiles) return &directory[i]; return 0; }
+
+private:
+ // persistent data members:
+ DataHeader header;
+ DataEntry directory[MAX_FILES];
+ BYTE* dirbuf;
+
+ // transient members:
+ char datafile[NAMELEN];
+
+ DWORD* block_map;
+ DWORD nblocks;
+};
+
+extern std::wstring ToWideString(const std::string& str);
+
+
+#endif