diff options
Diffstat (limited to 'Datafile/Archive.h')
-rw-r--r-- | Datafile/Archive.h | 196 |
1 files changed, 110 insertions, 86 deletions
diff --git a/Datafile/Archive.h b/Datafile/Archive.h index eac284f..7b3982d 100644 --- a/Datafile/Archive.h +++ b/Datafile/Archive.h @@ -1,86 +1,110 @@ -/* Project nGen
- John DiCamillo Software Consulting
- Copyright © 1997. All Rights Reserved.
-
- 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
+/* 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 |