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Diffstat (limited to 'lzss-main.cpp')
-rw-r--r-- | lzss-main.cpp | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/lzss-main.cpp b/lzss-main.cpp new file mode 100644 index 0000000..0d08cba --- /dev/null +++ b/lzss-main.cpp @@ -0,0 +1,384 @@ +/* + * PSX-Tools Bundle Pack + * Copyright (C) 2002 Nicolas "Pixel" Noble + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <getopt.h> +#include <iostream> +#include "fileutils.h" +#include "generic.h" +#include "lzss.h" + +char * fn1, * fn2, * pname; + +int lga = 0; +int compress = 1; + +struct option long_options[] = { + {"1iscomp", 1, &lga, 1 }, + {"overlap", 1, &lga, 2 }, + {"16bits", 1, &lga, 11 }, + {"negative", 1, &lga, 12 }, + {"ptrb", 1, &lga, 13 }, + {"filling", 1, &lga, 14 }, + {"inverse", 1, &lga, 23 }, + {"onejump", 1, &lga, 24 }, + {"window", 1, &lga, 25 }, + {"lmask1", 1, &lga, 3 }, + {"lshft1", 1, &lga, 4 }, + {"lmask2", 1, &lga, 5 }, + {"lshft2", 1, &lga, 6 }, + {"jmask1", 1, &lga, 7 }, + {"jshft1", 1, &lga, 8 }, + {"jmask2", 1, &lga, 9 }, + {"jshft2", 1, &lga, 10 }, + {"fmask1", 1, &lga, 15 }, + {"fshft1", 1, &lga, 16 }, + {"fmask2", 1, &lga, 17 }, + {"fshft2", 1, &lga, 18 }, + {"vmask1", 1, &lga, 19 }, + {"vshft1", 1, &lga, 20 }, + {"vmask2", 1, &lga, 21 }, + {"vshft2", 1, &lga, 22 }, + {"help", 0, NULL, 'h'}, + {"scheme", 1, NULL, 's'}, + {"length", 1, NULL, 'l'}, + {"version", 0, NULL, 'V'}, + {"verbose", 0, NULL, 'v'}, + {"show", 0, NULL, 'S'}, + {"dump", 0, NULL, 'D'}, + {"compress", 0, NULL, 'c'}, + {"decompress", 0, NULL, 'd'}, + {"blocks", 0, NULL, 'b'}, + {0, 0, NULL, 0 } +}; + +void showhelp(void) { + printm(M_BARE, +"Usages:\n" +" %s <--help|-h|-H|-?> Show this help and exit.\n" +" %s <--dump> Show the built-in schemes and exit.\n" +" %s <--version|-V> Show the version and copyrights and exit.\n" +" %s [-c|-d] [-s <scheme>] [-l <length>] [-S] [-v] <infile> <outfile>\n" +"\n" +"-c --compress Compress <infile> to <outfile>\n" +"-d --decompress Decompress <infile> to <outfile>\n" +"-s <scheme> --scheme=<scheme> Loads the built-in scheme number <scheme>\n" +"-l <length> --length=<length> Specify the true length for decompression,\n" +" or enable the padding behavior for compression.\n" +"-S --show Show the actual scheme before processing.\n" +"-v --verbose Display a *LOT* of informations.\n" +"-b --blocks Switch to blocks decompression behaviour\n" +"\n" +"Additionnaly you have the scheme manipulation options:\n" +"--1iscomp --overlap --negative --16bits --ptrb\n" +"--filling --inverse --onejump --window\n" +"--lmask1 --lshft1 --lmask2 --lshft2 --jmask1 --jshft1 --jmask2 --jshft2\n" +"--vmask1 --vshft1 --vmask2 --vshft2 --fmask1 --fshft1 --fmask2 --fshft2\n" +"\n" +"If you don't know what they are, forget them.\n" +"\n" +"Default behavior is to %scompress.\n" +"\n", pname, pname, pname, pname, compress ? "" : "de"); +} + +void showscheme(void) { + printm(M_BARE, +"Actual scheme:\n" +"--1iscomp %i\n" +"--overlap %i\n" +"--negative %i\n" +"--16bits %i\n" +"--ptrb %i\n" +"--filling %i\n" +"--inverse %i\n" +"--onejump %i\n" +"--window %i\n" +"--lmask1 0x%02x\n" +"--lshft1 %i\n" +"--lmask2 0x%02x\n" +"--lshft2 %i\n" +"--jmask1 0x%02x\n" +"--jshft1 %i\n" +"--jmask2 0x%02x\n" +"--jshft2 %i\n" +"--fmask1 0x%02x\n" +"--fshft1 %i\n" +"--fmask2 0x%02x\n" +"--fshft2 %i\n" +"--vmask1 0x%02x\n" +"--vshft1 %i\n" +"--vmask2 0x%02x\n" +"--vshft2 %i\n" +"\n", scheme.one_is_compressed, scheme.overlap_trick, scheme.negative_trick, scheme.sixteen_bits, +scheme.ptrb, scheme.filling, scheme.bitmap_inversed, scheme.one_jump, scheme.window_start, +scheme.l_mask_1, scheme.l_shft_1, scheme.l_mask_2, scheme.l_shft_2, +scheme.j_mask_1, scheme.j_shft_1, scheme.j_mask_2, scheme.j_shft_2, +scheme.f_mask_1, scheme.f_shft_1, scheme.f_mask_2, scheme.f_shft_2, +scheme.v_mask_1, scheme.v_shft_1, scheme.v_mask_2, scheme.v_shft_2); +} + +void dump(void) { + int i; + + printm(M_BARE, "Built-in schemes:\n"); + for (i = 0; schemes[i].name; i++) { + printm(M_BARE, "%2i - %s\n", i, schemes[i].name); + } +} + +int main(int argc, char ** argv) { + long length = -1; + FILE * f1, * f2; + int p, show = 0; + int c, s, t; + + pname = strdup(argv[0]); + p = strlen(pname) - 5; + + verbosity = M_STATUS; + + if (!strcasecmp(pname + p, "dlzss")) { + compress = 0; + } + + printm(M_BARE, /* +LZSS_MAIN " compressor/decompressor version " LZSS_VERSION ",\n" */ +"Copyright (C) 2002 Nicolas \"Pixel\" Noble\n" +"This software comes with ABSOLUTELY NO WARRANTY; see COPYING for details\n" +"Thanks to Czar Dragon, for his little 'lzss' schemes FAQ.\n" +"Special thanks to Yazoo, who taught me PSX hacking.\n" +"\n"); + + while ((c = getopt_long(argc, argv, "Hhs:l:vVScdb", long_options, NULL)) != EOF) { + switch (c) { + case 0: + switch (lga) { + case 1: + t = atoi(optarg); + if ((t != 1) && (t != 0)) { + printm(M_ERROR, "Invalid value for boolean: %s\n", optarg); + } else { + scheme.one_is_compressed = t; + } + break; + case 2: + t = atoi(optarg); + if ((t != 1) && (t != 0)) { + printm(M_ERROR, "Invalid value for boolean: %s\n", optarg); + } else { + scheme.overlap_trick = t; + } + break; + case 3: + sscanf(optarg, "%i", &scheme.l_mask_1); + break; + case 4: + scheme.l_shft_1 = atoi(optarg); + break; + case 5: + sscanf(optarg, "%i", &scheme.l_mask_2); + break; + case 6: + scheme.l_shft_2 = atoi(optarg); + break; + case 7: + sscanf(optarg, "%i", &scheme.j_mask_1); + break; + case 8: + scheme.j_shft_1 = atoi(optarg); + break; + case 9: + sscanf(optarg, "%i", &scheme.j_mask_2); + break; + case 10: + scheme.j_mask_2 = atoi(optarg); + break; + case 11: + t = atoi(optarg); + if ((t != 1) && (t != 0)) { + printm(M_ERROR, "Invalid value for boolean: %s\n", optarg); + } else { + scheme.sixteen_bits = t; + } + break; + case 12: + t = atoi(optarg); + if ((t != 1) && (t != 0)) { + printm(M_ERROR, "Invalid value for boolean: %s\n", optarg); + } else { + scheme.negative_trick = t; + } + break; + case 13: + t = atoi(optarg); + if ((t != 2) && (t != 1) && (t != 0)) { + printm(M_ERROR, "Invalid value for ter: %s\n", optarg); + } else { + scheme.ptrb = t; + } + break; + case 14: + t = atoi(optarg); + if ((t != 2) && (t != 1) && (t != 0)) { + printm(M_ERROR, "Invalid value for ter: %s\n", optarg); + } else { + scheme.filling = t; + } + break; + case 15: + sscanf(optarg, "%i", &scheme.f_mask_1); + break; + case 16: + scheme.f_shft_1 = atoi(optarg); + break; + case 17: + sscanf(optarg, "%i", &scheme.f_mask_2); + break; + case 18: + scheme.f_shft_2 = atoi(optarg); + break; + case 19: + sscanf(optarg, "%i", &scheme.v_mask_1); + break; + case 20: + scheme.v_shft_1 = atoi(optarg); + break; + case 21: + sscanf(optarg, "%i", &scheme.v_mask_2); + break; + case 22: + scheme.v_mask_2 = atoi(optarg); + break; + case 23: + t = atoi(optarg); + if ((t != 1) && (t != 0)) { + printm(M_ERROR, "Invalid value for boolean: %s\n", optarg); + } else { + scheme.bitmap_inversed = t; + } + break; + case 24: + t = atoi(optarg); + if ((t != 1) && (t != 0)) { + printm(M_ERROR, "Invalid value for boolean: %s\n", optarg); + } else { + scheme.one_jump = t; + } + break; + case 25: + t = sscanf(optarg, "%i", &scheme.window_start); + break; + default: + showhelp(); + printm(M_ERROR, "Unknow option.\n"); + exit(-1); + } + break; + case '?': + case 'H': + case 'h': + showhelp(); + exit(0); + case 's': + s = atoi(optarg); + scheme = schemes[s]; + break; + case 'l': + length = atoi(optarg); + break; + case 'v': + verbosity = M_INFO; + break; + case 'V': + exit(0); + case 'S': + show = 1; + break; + case 'D': + dump(); + exit(0); + break; + case 'd': + compress = 0; + break; + case 'c': + compress = 1; + break; + case 'b': + blockb = 1; + break; + default: + showhelp(); + printm(M_ERROR, "Unknow option.\n"); + exit(-1); + } + } + + if (show) showscheme(); + + if (optind != (argc - 2)) { + if (optind > (argc - 2)) { + printm(M_ERROR, "Not enough filenames\n"); + exit(-1); + } else { + printm(M_ERROR, "Too much arguments\n"); + exit(-1); + } + } + + fn1 = argv[optind++]; + fn2 = argv[optind++]; + + if (!(f1 = fopen(fn1, "r"))) { + printm(M_ERROR, "Error opening file %s for reading.\n", fn1); + } + + if (!(f2 = fopen(fn2, "w"))) { + printm(M_ERROR, "Error opening file %s for writing.\n", fn2); + } + + if (compress) { + printm(M_STATUS, "Compressing `%s' to `%s'...\n", fn1, fn2); + } else { + printm(M_STATUS, "Decompressing `%s' to `%s'...\n", fn1, fn2); + } + + if (compress) { + if (length == -1) { + lzss_comp(f1, f2); + } else { + lzss_comp(f1, f2, &length); + } + } else { + length = lzss_decomp(f1, f2, length); + } + + printm(M_STATUS, "Done, filesize changed from %i to %i.\n", filesize(f1), filesize(f2)); + if (!bitmap_count) + bitmap_count = 8; + if (compress) + printm(M_STATUS, "Compressed %i = 0x%08x blocs, containing %i = 0x%08x chunks.\n", blk + 1, blk + 1, blk * 8 + bitmap_count, blk * 8 + bitmap_count); + + fclose(f1); + fclose(f2); + + exit(0); +} |