1 files changed, 118 insertions, 0 deletions

diff --git a/utils/rbutilqt/mspack/kwaj.h b/utils/rbutilqt/mspack/kwaj.h
new file mode 100644
index 0000000000..75425d958a
--- /dev/null
+++ b/utils/rbutilqt/mspack/kwaj.h
@@ -0,0 +1,118 @@
+/* This file is part of libmspack.
+ * (C) 2003-2010 Stuart Caie.
+ *
+ * libmspack is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License (LGPL) version 2.1
+ *
+ * For further details, see the file COPYING.LIB distributed with libmspack
+ */
+
+#ifndef MSPACK_KWAJ_H
+#define MSPACK_KWAJ_H 1
+
+#include "lzss.h"
+
+/* generic KWAJ definitions */
+#define kwajh_Signature1 (0x00)
+#define kwajh_Signature2 (0x04)
+#define kwajh_CompMethod (0x08)
+#define kwajh_DataOffset (0x0a)
+#define kwajh_Flags      (0x0c)
+#define kwajh_SIZEOF     (0x0e)
+
+/* KWAJ compression definitions */
+
+struct mskwaj_compressor_p {
+  struct mskwaj_compressor base;
+  struct mspack_system *system;
+  /* todo */
+  int param[2]; /* !!! MATCH THIS TO NUM OF PARAMS IN MSPACK.H !!! */
+  int error;
+};
+
+/* KWAJ decompression definitions */
+
+struct mskwaj_decompressor_p {
+  struct mskwaj_decompressor base;
+  struct mspack_system *system;
+  int error;
+};
+
+struct mskwajd_header_p {
+  struct mskwajd_header base;
+  struct mspack_file *fh;
+};
+
+/* input buffer size during decompression - not worth parameterising IMHO */
+#define KWAJ_INPUT_SIZE (2048)
+
+/* huffman codes that are 9 bits or less are decoded immediately */
+#define KWAJ_TABLEBITS (9)
+
+/* number of codes in each huffman table */
+#define KWAJ_MATCHLEN1_SYMS (16)
+#define KWAJ_MATCHLEN2_SYMS (16)
+#define KWAJ_LITLEN_SYMS    (32)
+#define KWAJ_OFFSET_SYMS    (64)
+#define KWAJ_LITERAL_SYMS   (256)
+
+/* define decoding table sizes */
+#define KWAJ_TABLESIZE (1 << KWAJ_TABLEBITS)
+#if KWAJ_TABLESIZE < (KWAJ_MATCHLEN1_SYMS * 2)
+# define KWAJ_MATCHLEN1_TBLSIZE (KWAJ_MATCHLEN1_SYMS * 4)
+#else
+# define KWAJ_MATCHLEN1_TBLSIZE (KWAJ_TABLESIZE + (KWAJ_MATCHLEN1_SYMS * 2))
+#endif
+#if KWAJ_TABLESIZE < (KWAJ_MATCHLEN2_SYMS * 2)
+# define KWAJ_MATCHLEN2_TBLSIZE (KWAJ_MATCHLEN2_SYMS * 4)
+#else
+# define KWAJ_MATCHLEN2_TBLSIZE (KWAJ_TABLESIZE + (KWAJ_MATCHLEN2_SYMS * 2))
+#endif
+#if KWAJ_TABLESIZE < (KWAJ_LITLEN_SYMS * 2)
+# define KWAJ_LITLEN_TBLSIZE (KWAJ_LITLEN_SYMS * 4)
+#else
+# define KWAJ_LITLEN_TBLSIZE (KWAJ_TABLESIZE + (KWAJ_LITLEN_SYMS * 2))
+#endif
+#if KWAJ_TABLESIZE < (KWAJ_OFFSET_SYMS * 2)
+# define KWAJ_OFFSET_TBLSIZE (KWAJ_OFFSET_SYMS * 4)
+#else
+# define KWAJ_OFFSET_TBLSIZE (KWAJ_TABLESIZE + (KWAJ_OFFSET_SYMS * 2))
+#endif
+#if KWAJ_TABLESIZE < (KWAJ_LITERAL_SYMS * 2)
+# define KWAJ_LITERAL_TBLSIZE (KWAJ_LITERAL_SYMS * 4)
+#else
+# define KWAJ_LITERAL_TBLSIZE (KWAJ_TABLESIZE + (KWAJ_LITERAL_SYMS * 2))
+#endif
+
+struct kwajd_stream {
+    /* I/O buffering */
+    struct mspack_system *sys;
+    struct mspack_file *input;
+    struct mspack_file *output;
+    unsigned char *i_ptr, *i_end;
+    unsigned int bit_buffer, bits_left;
+    int input_end;
+
+    /* huffman code lengths */
+    unsigned char  MATCHLEN1_len [KWAJ_MATCHLEN1_SYMS];
+    unsigned char  MATCHLEN2_len [KWAJ_MATCHLEN2_SYMS];
+    unsigned char  LITLEN_len    [KWAJ_LITLEN_SYMS];
+    unsigned char  OFFSET_len    [KWAJ_OFFSET_SYMS];
+    unsigned char  LITERAL_len   [KWAJ_LITERAL_SYMS];
+
+    /* huffman decoding tables */
+    unsigned short MATCHLEN1_table [KWAJ_MATCHLEN1_TBLSIZE];
+    unsigned short MATCHLEN2_table [KWAJ_MATCHLEN2_TBLSIZE];
+    unsigned short LITLEN_table    [KWAJ_LITLEN_TBLSIZE];
+    unsigned short OFFSET_table    [KWAJ_OFFSET_TBLSIZE];
+    unsigned short LITERAL_table   [KWAJ_LITERAL_TBLSIZE];
+
+    /* input buffer */
+    unsigned char inbuf[KWAJ_INPUT_SIZE];
+
+    /* history window */
+    unsigned char window[LZSS_WINDOW_SIZE];
+};
+
+
+#endif