From 966fe28c59f59fc8be795c8215b9352435982445 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Thu, 30 Sep 2021 16:46:36 +0200
Subject: Merged nGenEx and Parser into Stars45

---
 Stars45/Archive.h | 114 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 Stars45/Archive.h

(limited to 'Stars45/Archive.h')

diff --git a/Stars45/Archive.h b/Stars45/Archive.h
new file mode 100644
index 0000000..5818cf6
--- /dev/null
+++ b/Stars45/Archive.h
@@ -0,0 +1,114 @@
+/*  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:    nGenEx.lib
+    FILE:         Archive.h
+    AUTHOR:       John DiCamillo
+
+*/
+
+#ifndef Archive_h
+#define Archive_h
+
+// +------------------------------------------------------------------+
+
+#define VERSION      0x0010
+#define BLOCK_SIZE   1024
+#define FILE_BLOCK   1024
+#define NAMELEN      64
+
+// +------------------------------------------------------------------+
+
+struct DataHeader
+{
+    static const char* TYPENAME() { return "DataHeader"; }
+
+    DWORD    version;
+    DWORD    nfiles;
+    DWORD    dir_blocks;
+    DWORD    dir_size_comp;
+    DWORD    dir_offset;
+};
+
+struct DataEntry
+{
+    static const char* TYPENAME() { return "DataEntry"; }
+
+    char     name[NAMELEN];
+    DWORD    size_orig;
+    DWORD    size_comp;
+    DWORD    offset; 
+};
+
+class DataArchive
+{
+public:
+    static const char* TYPENAME() { return "DataArchive"; }
+
+    // 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, bool null_terminate=false);
+    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; }
+
+    const char* Name()   const { return datafile; }
+
+private:
+    // persistent data members:
+    DataHeader  header;
+    DataEntry*  directory;
+    BYTE*       dirbuf;
+
+    // transient members:
+    char        datafile[NAMELEN];
+
+    DWORD*      block_map;
+    DWORD       nblocks;
+};
+
+#endif Archive_h
-- 
cgit v1.1