cs sdk v 1.14 released Home  |  Product  |  Documents  |  Tutorials  |  FAQ |   Download  |   Forum |   Contacts  |   Link     Cross Suit  Cross Suit SDK  Documents       classes  Starting...            Tutorials  LUA tutorials    Support   Forum   q&a  Product parts  Virtual File system  Virtual Render  Virtual Machine       Demo Games      3D Engine   gvSystem(dx9)  Link     unzip.h Go to the documentation of this file. // Unzip.h: Declaraciones para la descompresi? de un paquete // de un fichero .ZIP // // Code extremely based on PCDEZIP. // // PCDEZIP.CPP þþ Copyright 1994, Bob Flanders and Michael Holmes // First Published in PC Magazine January 11, 1994 // // PCDEZIP decompresses .ZIP files created with PKZIP through // version 2.04g. PCDEZIP provides syntax and switch compatibilty // with both Michael Mefford's PCUNZP and Phil Katz's PKUNZIP. // #if !defined (__UNZIP_HH__) #define __UNZIP_HH__ #define COUNT(x) (sizeof(x) / sizeof(x[0])) // item count #define NOT ! // shorthand logical #define UINT unsigned int // unsigned integer #define BYTE unsigned char // ..and unsigned character #define ULONG unsigned long // ..and unsigned long #define MAX_PATH_ZIPINFO 79 // maximum path length #define LAST(s) s[strlen(s) - 1] // last character in string #define TRUE 1 // true value #define FALSE 0 // false value #define BUFFER_SIZE 32768L // dictionary/output buffer size #define COPY_BUFFER 16384 // copy buffer size #define FILE_ATTR _A_NORMAL | _A_RDONLY // file attrib to search on /* ******************************************************************** * * * Header Definitions * * ******************************************************************** */ //##ModelId=3B9E68D80213 struct lf // local file header { //##ModelId=3B9E68D80222 ULONG lf_sig; // signature (0x04034b50) WORD lf_extract, // vers needed to extract lf_flag, // general purpose flag lf_cm, // compression method lf_time, // file time lf_date; // ..and file date ULONG lf_crc, // CRC-32 for file lf_csize, // compressed size lf_size; // uncompressed size WORD lf_fn_len, // file name length lf_ef_len; // extra field length }; //##ModelId=3B9E68D401B5 struct dd // data descriptor { ULONG dd_crc, // CRC-32 for file dd_csize, // compressed size dd_size; // uncompressed size }; //##ModelId=3B9E68D60138 struct fh // file header { //##ModelId=3B9E68D60148 ULONG fh_sig; // signature (0x02014b50) WORD fh_made, // version made by fh_extract, // vers needed to extract fh_flag, // general purpose flag fh_cm, // compression method fh_time, // file time fh_date; // ..and file date ULONG fh_crc, // CRC-32 for file fh_csize, // compressed size fh_size; // uncompressed size WORD fh_fn_len, // file name length fh_ef_len, // extra field length fh_fc_len, // file comment length fh_disk, // disk number fh_attr; // internal file attrib ULONG fh_eattr, // external file attrib fh_offset; // offset of local header }; //##ModelId=3B9E68DA0138 struct ed // end of central dir record { //##ModelId=3B9E68DA0149 ULONG ed_sig; // signature (0x06054b50) WORD ed_disk, // this disk number ed_cdisk, // disk w/central dir ed_current, // current disk's dir entries ed_total; // total dir entries ULONG ed_size, // size of central dir ed_offset; // offset of central dir //##ModelId=3B9E68DA0148 WORD ed_zc_len; // zip file comment length }; typedef struct lf LF; // set up typedef struct fh FH; // ..structure typedef struct dd DD; // ..shorthands typedef struct ed ED; // #define LF_SIG 0x0403 // local file header signature #define FH_SIG 0x0201 // file header signature #define ED_SIG 0x0605 // end of central dir signature // general purpose flag #define LH_FLAG_ENCRYPT 0x01 // file is encrypted // for Method 6 - Imploding #define LF_FLAG_8K 0x02 // use 8k dictionary vs 4k #define LF_FLAG_3SF 0x04 // use 3 S-F trees vs 2 // for Method 8 - Deflating #define LF_FLAG_NORM 0x00 // normal compression #define LF_FLAG_MAX 0x02 // maximum compression #define LF_FLAG_FAST 0x04 // fast compression #define LF_FLAG_SUPER 0x06 // super fast compression #define LF_FLAG_DDREC 0x08 // use data descriptor record // compression method #define LF_CM_STORED 0x00 // stored #define LF_CM_SHRUNK 0x01 // shrunk #define LF_CM_REDUCED1 0x02 // reduced with factor 1 #define LF_CM_REDUCED2 0x03 // reduced with factor 2 #define LF_CM_REDUCED3 0x04 // reduced with factor 3 #define LF_CM_REDUCED4 0x05 // reduced with factor 4 #define LF_CM_IMPLODED 0x06 // imploded #define LF_CM_TOKENIZED 0x07 // tokenized (not used) #define LF_CM_DEFLATED 0x08 // deflated /* ******************************************************************** * * * LZW Support Structures * * ******************************************************************** */ #define TABLE_SIZE 0x2001 // dictionary table size #define FREE 0xffff // free entry value //##ModelId=3B9E68D600CB struct dictionary // dictionary entry { //##ModelId=3B9E68D600DB WORD parent_c; // parent's code //##ModelId=3B9E68D600DA char c; // replacement character }; typedef struct dictionary SD; // structure shorthand /* ******************************************************************** * * * Expanded Structures * * ******************************************************************** */ #define EXPLODE_DLE 144 // escape character #define EXPAND_BUFF 4096 // sliding buffer size //##ModelId=3B9E68D901F4 struct follower_set // follower set { BYTE set_len, // set length set[32]; // set }; typedef struct follower_set FS; // structure shorthand /* ******************************************************************** * * * Shannon-Fano Tree Structure * * ******************************************************************** */ //##ModelId=3B9E68D90213 struct shannon_fano_tree // Shannon-Fano trees { BYTE blen, // bit length value; // value //##ModelId=3B9E68D90222 WORD code; // tree bit code }; typedef struct shannon_fano_tree SFT; // structure shorthand /* ******************************************************************** * * * Huffman Tree Structure * * ******************************************************************** */ //##ModelId=3B9E68D80196 struct huffman_tree // Huffman trees { BYTE eb, // extra bits blen; // bit length union { int code; // literal, len or distance struct huffman_tree *table; // chain pointer } v; }; typedef struct huffman_tree HUFF; // structure shorthand #endif Copyright(C) gvSystem & GamePlus All Rights Reserved.