diff options
Diffstat (limited to 'src/Common/XUnzip.h')
| -rw-r--r-- | src/Common/XUnzip.h | 382 |
1 files changed, 0 insertions, 382 deletions
diff --git a/src/Common/XUnzip.h b/src/Common/XUnzip.h deleted file mode 100644 index 573dc7d8..00000000 --- a/src/Common/XUnzip.h +++ /dev/null @@ -1,382 +0,0 @@ -// XUnzip.h Version 1.3 -// -// Authors: Mark Adler et al. (see below) -// -// Modified by: Lucian Wischik -// lu@wischik.com -// -// Version 1.0 - Turned C files into just a single CPP file -// - Made them compile cleanly as C++ files -// - Gave them simpler APIs -// - Added the ability to zip/unzip directly in memory without -// any intermediate files -// -// Modified by: Hans Dietrich -// hdietrich@gmail.com -// -/////////////////////////////////////////////////////////////////////////////// -// -// Lucian Wischik's comments: -// -------------------------- -// THIS FILE is almost entirely based upon code by info-zip. -// It has been modified by Lucian Wischik. -// The original code may be found at http://www.info-zip.org -// The original copyright text follows. -// -/////////////////////////////////////////////////////////////////////////////// -// -// Original authors' comments: -// --------------------------- -// This is version 2002-Feb-16 of the Info-ZIP copyright and license. The -// definitive version of this document should be available at -// ftp://ftp.info-zip.org/pub/infozip/license.html indefinitely. -// -// Copyright (c) 1990-2002 Info-ZIP. All rights reserved. -// -// For the purposes of this copyright and license, "Info-ZIP" is defined as -// the following set of individuals: -// -// Mark Adler, John Bush, Karl Davis, Harald Denker, Jean-Michel Dubois, -// Jean-loup Gailly, Hunter Goatley, Ian Gorman, Chris Herborth, Dirk Haase, -// Greg Hartwig, Robert Heath, Jonathan Hudson, Paul Kienitz, -// David Kirschbaum, Johnny Lee, Onno van der Linden, Igor Mandrichenko, -// Steve P. Miller, Sergio Monesi, Keith Owens, George Petrov, Greg Roelofs, -// Kai Uwe Rommel, Steve Salisbury, Dave Smith, Christian Spieler, -// Antoine Verheijen, Paul von Behren, Rich Wales, Mike White -// -// This software is provided "as is", without warranty of any kind, express -// or implied. In no event shall Info-ZIP or its contributors be held liable -// for any direct, indirect, incidental, special or consequential damages -// arising out of the use of or inability to use this software. -// -// Permission is granted to anyone to use this software for any purpose, -// including commercial applications, and to alter it and redistribute it -// freely, subject to the following restrictions: -// -// 1. Redistributions of source code must retain the above copyright notice, -// definition, disclaimer, and this list of conditions. -// -// 2. Redistributions in binary form (compiled executables) must reproduce -// the above copyright notice, definition, disclaimer, and this list of -// conditions in documentation and/or other materials provided with the -// distribution. The sole exception to this condition is redistribution -// of a standard UnZipSFX binary as part of a self-extracting archive; -// that is permitted without inclusion of this license, as long as the -// normal UnZipSFX banner has not been removed from the binary or disabled. -// -// 3. Altered versions--including, but not limited to, ports to new -// operating systems, existing ports with new graphical interfaces, and -// dynamic, shared, or static library versions--must be plainly marked -// as such and must not be misrepresented as being the original source. -// Such altered versions also must not be misrepresented as being -// Info-ZIP releases--including, but not limited to, labeling of the -// altered versions with the names "Info-ZIP" (or any variation thereof, -// including, but not limited to, different capitalizations), -// "Pocket UnZip", "WiZ" or "MacZip" without the explicit permission of -// Info-ZIP. Such altered versions are further prohibited from -// misrepresentative use of the Zip-Bugs or Info-ZIP e-mail addresses or -// of the Info-ZIP URL(s). -// -// 4. Info-ZIP retains the right to use the names "Info-ZIP", "Zip", "UnZip", -// "UnZipSFX", "WiZ", "Pocket UnZip", "Pocket Zip", and "MacZip" for its -// own source and binary releases. -// -/////////////////////////////////////////////////////////////////////////////// - -#ifndef XUNZIP_H -#define XUNZIP_H - - -#ifndef XZIP_H -DECLARE_HANDLE(HZIP); // An HZIP identifies a zip file that has been opened -#endif - -typedef DWORD ZRESULT; -// return codes from any of the zip functions. Listed later. - -#define ZIP_HANDLE 1 -#define ZIP_FILENAME 2 -#define ZIP_MEMORY 3 - -typedef struct -{ int index; // index of this file within the zip - char name[MAX_PATH]; // filename within the zip - DWORD attr; // attributes, as in GetFileAttributes. - FILETIME atime,ctime,mtime;// access, create, modify filetimes - long comp_size; // sizes of item, compressed and uncompressed. These - long unc_size; // may be -1 if not yet known (e.g. being streamed in) -} ZIPENTRY; - -typedef struct -{ int index; // index of this file within the zip - TCHAR name[MAX_PATH]; // filename within the zip - DWORD attr; // attributes, as in GetFileAttributes. - FILETIME atime,ctime,mtime;// access, create, modify filetimes - long comp_size; // sizes of item, compressed and uncompressed. These - long unc_size; // may be -1 if not yet known (e.g. being streamed in) -} ZIPENTRYW; - - -/////////////////////////////////////////////////////////////////////////////// -// -// OpenZip() -// -// Purpose: Open an existing zip archive file -// -// Parameters: z - archive file name if flags is ZIP_FILENAME; for other -// uses see below -// len - for memory (ZIP_MEMORY) should be the buffer size; -// for other uses, should be 0 -// flags - indicates usage, see below; for files, this will be -// ZIP_FILENAME -// -// Returns: HZIP - non-zero if zip archive opened ok, otherwise 0 -// -HZIP OpenZip(void *z, unsigned int len, DWORD flags); -// OpenZip - opens a zip file and returns a handle with which you can -// subsequently examine its contents. You can open a zip file from: -// from a pipe: OpenZip(hpipe_read,0, ZIP_HANDLE); -// from a file (by handle): OpenZip(hfile,0, ZIP_HANDLE); -// from a file (by name): OpenZip("c:\\test.zip",0, ZIP_FILENAME); -// from a memory block: OpenZip(bufstart, buflen, ZIP_MEMORY); -// If the file is opened through a pipe, then items may only be -// accessed in increasing order, and an item may only be unzipped once, -// although GetZipItem can be called immediately before and after unzipping -// it. If it's opened i n any other way, then full random access is possible. -// Note: pipe input is not yet implemented. - - -/////////////////////////////////////////////////////////////////////////////// -// -// GetZipItem() -// -// Purpose: Get information about an item in an open zip archive -// -// Parameters: hz - handle of open zip archive -// index - index number (0 based) of item in zip -// ze - pointer to a ZIPENTRY (if ANSI) or ZIPENTRYW struct -// (if Unicode) -// -// Returns: ZRESULT - ZR_OK if success, otherwise some other value -// - -#ifdef _UNICODE -#define GetZipItem GetZipItemW -#else -#define GetZipItem GetZipItemA -#endif - -ZRESULT GetZipItemA(HZIP hz, int index, ZIPENTRY *ze); -ZRESULT GetZipItemW(HZIP hz, int index, ZIPENTRYW *ze); -// GetZipItem - call this to get information about an item in the zip. -// If index is -1 and the file wasn't opened through a pipe, -// then it returns information about the whole zipfile -// (and in particular ze.index returns the number of index items). -// Note: the item might be a directory (ze.attr & FILE_ATTRIBUTE_DIRECTORY) -// See below for notes on what happens when you unzip such an item. -// Note: if you are opening the zip through a pipe, then random access -// is not possible and GetZipItem(-1) fails and you can't discover the number -// of items except by calling GetZipItem on each one of them in turn, -// starting at 0, until eventually the call fails. Also, in the event that -// you are opening through a pipe and the zip was itself created into a pipe, -// then then comp_size and sometimes unc_size as well may not be known until -// after the item has been unzipped. - - -/////////////////////////////////////////////////////////////////////////////// -// -// FindZipItem() -// -// Purpose: Find item by name and return information about it -// -// Parameters: hz - handle of open zip archive -// name - name of file to look for inside zip archive -// ic - TRUE = case insensitive -// index - pointer to index number returned, or -1 -// ze - pointer to a ZIPENTRY (if ANSI) or ZIPENTRYW struct -// (if Unicode) -// -// Returns: ZRESULT - ZR_OK if success, otherwise some other value -// - -#ifdef _UNICODE -#define FindZipItem FindZipItemW -#else -#define FindZipItem FindZipItemA -#endif - -ZRESULT FindZipItemA(HZIP hz, const TCHAR *name, bool ic, int *index, ZIPENTRY *ze); -ZRESULT FindZipItemW(HZIP hz, const TCHAR *name, bool ic, int *index, ZIPENTRYW *ze); -// FindZipItem - finds an item by name. ic means 'insensitive to case'. -// It returns the index of the item, and returns information about it. -// If nothing was found, then index is set to -1 and the function returns -// an error code. - - -/////////////////////////////////////////////////////////////////////////////// -// -// UnzipItem() -// -// Purpose: Find item by index and unzip it -// -// Parameters: hz - handle of open zip archive -// index - index number of file to unzip -// dst - target file name of unzipped file -// len - for memory (ZIP_MEMORY. length of buffer; -// otherwise 0 -// flags - indicates usage, see below; for files, this will be -// ZIP_FILENAME -// -// Returns: ZRESULT - ZR_OK if success, otherwise some other value -// - -ZRESULT UnzipItem(HZIP hz, int index, void *dst, unsigned int len, DWORD flags); -// UnzipItem - given an index to an item, unzips it. You can unzip to: -// to a pipe: UnzipItem(hz,i, hpipe_write,0,ZIP_HANDLE); -// to a file (by handle): UnzipItem(hz,i, hfile,0,ZIP_HANDLE); -// to a file (by name): UnzipItem(hz,i, ze.name,0,ZIP_FILENAME); -// to a memory block: UnzipItem(hz,i, buf,buflen,ZIP_MEMORY); -// In the final case, if the buffer isn't large enough to hold it all, -// then the return code indicates that more is yet to come. If it was -// large enough, and you want to know precisely how big, GetZipItem. -// Note: zip files are normally stored with relative pathnames. If you -// unzip with ZIP_FILENAME a relative pathname then the item gets created -// relative to the current directory - it first ensures that all necessary -// subdirectories have been created. Also, the item may itself be a directory. -// If you unzip a directory with ZIP_FILENAME, then the directory gets created. -// If you unzip it to a handle or a memory block, then nothing gets created -// and it emits 0 bytes. - - -/////////////////////////////////////////////////////////////////////////////// -// -// CloseZip() -// -// Purpose: Close an open zip archive -// -// Parameters: hz - handle to an open zip archive -// -// Returns: ZRESULT - ZR_OK if success, otherwise some other value -// -ZRESULT CloseZip(HZIP hz); -// CloseZip - the zip handle must be closed with this function. - -unsigned int FormatZipMessage(ZRESULT code, char *buf,unsigned int len); -// FormatZipMessage - given an error code, formats it as a string. -// It returns the length of the error message. If buf/len points -// to a real buffer, then it also writes as much as possible into there. - - -// These are the result codes: -#define ZR_OK 0x00000000 // nb. the pseudo-code zr-recent is never returned, -#define ZR_RECENT 0x00000001 // but can be passed to FormatZipMessage. -// The following come from general system stuff (e.g. files not openable) -#define ZR_GENMASK 0x0000FF00 -#define ZR_NODUPH 0x00000100 // couldn't duplicate the handle -#define ZR_NOFILE 0x00000200 // couldn't create/open the file -#define ZR_NOALLOC 0x00000300 // failed to allocate some resource -#define ZR_WRITE 0x00000400 // a general error writing to the file -#define ZR_NOTFOUND 0x00000500 // couldn't find that file in the zip -#define ZR_MORE 0x00000600 // there's still more data to be unzipped -#define ZR_CORRUPT 0x00000700 // the zipfile is corrupt or not a zipfile -#define ZR_READ 0x00000800 // a general error reading the file -// The following come from mistakes on the part of the caller -#define ZR_CALLERMASK 0x00FF0000 -#define ZR_ARGS 0x00010000 // general mistake with the arguments -#define ZR_NOTMMAP 0x00020000 // tried to ZipGetMemory, but that only works on mmap zipfiles, which yours wasn't -#define ZR_MEMSIZE 0x00030000 // the memory size is too small -#define ZR_FAILED 0x00040000 // the thing was already failed when you called this function -#define ZR_ENDED 0x00050000 // the zip creation has already been closed -#define ZR_MISSIZE 0x00060000 // the indicated input file size turned out mistaken -#define ZR_PARTIALUNZ 0x00070000 // the file had already been partially unzipped -#define ZR_ZMODE 0x00080000 // tried to mix creating/opening a zip -// The following come from bugs within the zip library itself -#define ZR_BUGMASK 0xFF000000 -#define ZR_NOTINITED 0x01000000 // initialisation didn't work -#define ZR_SEEK 0x02000000 // trying to seek in an unseekable file -#define ZR_NOCHANGE 0x04000000 // changed its mind on storage, but not allowed -#define ZR_FLATE 0x05000000 // an internal error in the de/inflation code - - - - - -// e.g. -// -// SetCurrentDirectory("c:\\docs\\stuff"); -// HZIP hz = OpenZip("c:\\stuff.zip",0,ZIP_FILENAME); -// ZIPENTRY ze; GetZipItem(hz,-1,&ze); int numitems=ze.index; -// for (int i=0; i<numitems; i++) -// { GetZipItem(hz,i,&ze); -// UnzipItem(hz,i,ze.name,0,ZIP_FILENAME); -// } -// CloseZip(hz); -// -// -// HRSRC hrsrc = FindResource(hInstance,MAKEINTRESOURCE(1),RT_RCDATA); -// HANDLE hglob = LoadResource(hInstance,hrsrc); -// void *zipbuf=LockResource(hglob); -// unsigned int ziplen=SizeofResource(hInstance,hrsrc); -// HZIP hz = OpenZip(zipbuf, ziplen, ZIP_MEMORY); -// - unzip to a membuffer - -// ZIPENTRY ze; int i; FindZipItem(hz,"file.dat",&i,&ze); -// char *ibuf = new char[ze.unc_size]; -// UnzipItem(hz,i, ibuf, ze.unc_size,ZIP_MEMORY); -// delete[] buf; -// - unzip to a fixed membuff - -// ZIPENTRY ze; int i; FindZipItem(hz,"file.dat",&i,&ze); -// char ibuf[1024]; ZIPRESULT zr=ZR_MORE; unsigned long totsize=0; -// while (zr==ZR_MORE) -// { zr = UnzipItem(hz,i, ibuf,1024,ZIP_MEMORY); -// unsigned long bufsize=1024; if (zr==ZR_OK) bufsize=ze.unc_size-totsize; -// totsize+=bufsize; -// } -// - unzip to a pipe - -// HANDLE hthread=CreateWavReaderThread(&hread,&hwrite); -// FindZipItem(hz,"sound.wav",&i,&ze); -// UnzipItem(hz,i, hwrite,0,ZIP_HANDLE); -// CloseHandle(hwrite); -// WaitForSingleObject(hthread,INFINITE); -// CloseHandle(hread); CloseHandle(hthread); -// - finished - -// CloseZip(hz); -// // note: no need to free resources obtained through Find/Load/LockResource -// -// -// SetCurrentDirectory("c:\\docs\\pipedzipstuff"); -// HANDLE hread,hwrite; CreatePipe(&hread,&hwrite); -// CreateZipWriterThread(hwrite); -// HZIP hz = OpenZip(hread,0,ZIP_HANDLE); -// for (int i=0; ; i++) -// { ZIPENTRY ze; ZRESULT res = GetZipItem(hz,i,&ze); -// if (res!=ZE_OK) break; // no more -// UnzipItem(hz,i, ze.name,0,ZIP_FILENAME); -// } -// CloseZip(hz); -// - - - - -// Now we indulge in a little skullduggery so that the code works whether -// the user has included just zip or both zip and unzip. -// Idea: if header files for both zip and unzip are present, then presumably -// the cpp files for zip and unzip are both present, so we will call -// one or the other of them based on a dynamic choice. If the header file -// for only one is present, then we will bind to that particular one. -HZIP OpenZipU(void *z,unsigned int len,DWORD flags); -ZRESULT CloseZipU(HZIP hz); -unsigned int FormatZipMessageU(ZRESULT code, char *buf,unsigned int len); -bool IsZipHandleU(HZIP hz); -#define OpenZip OpenZipU - -#ifdef XZIP_H -#undef CloseZip -#define CloseZip(hz) (IsZipHandleU(hz)?CloseZipU(hz):CloseZipZ(hz)) -#else -#define CloseZip CloseZipU -#define FormatZipMessage FormatZipMessageU -#endif - - -#endif //XUNZIP_H |