зеркало из https://github.com/mozilla/pjs.git
allow multi-user finds
This commit is contained in:
dveditz%netscape.com
Родитель
372e4c6a46
Коммит
a2f1624c69
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@ -24,16 +24,26 @@
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/*
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* This module implements a simple archive extractor for the PKZIP format.
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*
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* The underlying nsZipArchive is NOT thread-safe. Do not pass references
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* or pointers to it across thread boundaries.
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*/
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#include <string.h>
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#include "nscore.h"
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#include "prmem.h"
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#include "prio.h"
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#include "plstr.h"
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#include "prlog.h"
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#include "xp_regexp.h"
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#ifndef STANDALONE
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#include "nscore.h"
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#include "prmem.h"
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#include "prio.h"
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#include "plstr.h"
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#include "xp_regexp.h"
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#define ZFILE_CREATE PR_WRONLY | PR_CREATE_FILE
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#define READTYPE PRInt32
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#else
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#include "zipstub.h"
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#undef NETSCAPE // undoes prtypes damage in zlib.h
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#define ZFILE_CREATE "wb"
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#define READTYPE PRUint32
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#endif /* STANDALONE */
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#include "zlib.h"
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@ -65,15 +75,15 @@ PR_PUBLIC_API(PRInt32) ZIP_OpenArchive( const char * zipname, void** hZip )
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PRInt32 status;
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/*--- error check args ---*/
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if ( hZip == NULL )
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if ( hZip == 0 )
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return ZIP_ERR_PARAM;
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/*--- NULL output to prevent use by bozos who don't check errors ---*/
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*hZip = NULL;
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*hZip = 0;
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/*--- create and open the archive ---*/
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nsZipArchive* zip = new nsZipArchive();
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if ( zip == NULL )
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if ( zip == 0 )
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return ZIP_ERR_MEMORY;
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status = zip->OpenArchive(zipname);
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@ -98,7 +108,7 @@ PR_PUBLIC_API(PRInt32) ZIP_OpenArchive( const char * zipname, void** hZip )
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PR_PUBLIC_API(PRInt32) ZIP_CloseArchive( void** hZip )
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{
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/*--- error check args ---*/
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if ( hZip == NULL || *hZip == NULL )
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if ( hZip == 0 || *hZip == 0 )
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return ZIP_ERR_PARAM;
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nsZipArchive* zip = NS_STATIC_CAST(nsZipArchive*,*hZip);
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@ -106,7 +116,7 @@ PR_PUBLIC_API(PRInt32) ZIP_CloseArchive( void** hZip )
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return ZIP_ERR_PARAM; /* whatever it is isn't one of ours! */
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/*--- close the archive ---*/
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*hZip = NULL;
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*hZip = 0;
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delete zip;
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return ZIP_OK;
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@ -126,7 +136,7 @@ PR_PUBLIC_API(PRInt32) ZIP_CloseArchive( void** hZip )
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PR_PUBLIC_API(PRInt32) ZIP_ExtractFile( void* hZip, const char * filename, const char * outname )
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{
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/*--- error check args ---*/
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if ( hZip == NULL )
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if ( hZip == 0 )
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return ZIP_ERR_PARAM;
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nsZipArchive* zip = NS_STATIC_CAST(nsZipArchive*,hZip);
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@ -148,15 +158,15 @@ PR_PUBLIC_API(PRInt32) ZIP_ExtractFile( void* hZip, const char * filename, const
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* @param pattern regexp to match files in archive, the usual shell expressions.
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* NULL pattern also matches all files, faster than "*"
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*/
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PR_EXTERN(PRInt32) ZIP_FindInit( void* hZip, const char * pattern )
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PR_PUBLIC_API(void*) ZIP_FindInit( void* hZip, const char * pattern )
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{
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/*--- error check args ---*/
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if ( hZip == NULL )
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return ZIP_ERR_PARAM;
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if ( hZip == 0 )
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return 0;
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nsZipArchive* zip = NS_STATIC_CAST(nsZipArchive*,hZip);
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if ( zip->kMagic != ZIP_MAGIC )
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return ZIP_ERR_PARAM; /* whatever it is isn't one of ours! */
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return 0; /* whatever it is isn't one of ours! */
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/*--- initialize the pattern search ---*/
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return zip->FindInit( pattern );
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@ -171,26 +181,48 @@ PR_EXTERN(PRInt32) ZIP_FindInit( void* hZip, const char * pattern )
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* the name is too large for the buffer, and ZIP_ERR_FNF when there are no
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* more files that match the pattern
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*
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* @param hZip handle obtained from ZIP_OpenArchive
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* @param hFind handle obtained from ZIP_FindInit
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* @param outbuf buffer to receive next filename
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* @param bufsize size of allocated buffer
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*/
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PR_EXTERN(PRInt32) ZIP_FindNext( void* hZip, char * outbuf, PRUint16 bufsize )
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PR_PUBLIC_API(PRInt32) ZIP_FindNext( void* hFind, char * outbuf, PRUint16 bufsize )
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{
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/*--- error check args ---*/
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if ( hZip == NULL )
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if ( hFind == 0 )
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return ZIP_ERR_PARAM;
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nsZipArchive* zip = NS_STATIC_CAST(nsZipArchive*,hZip);
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if ( zip->kMagic != ZIP_MAGIC )
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nsZipFind* find = NS_STATIC_CAST(nsZipFind*,hFind);
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if ( find->kMagic != ZIPFIND_MAGIC )
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return ZIP_ERR_PARAM; /* whatever it is isn't one of ours! */
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/*--- return next filename file ---*/
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return zip->FindNext( outbuf, bufsize );
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return find->mArchive->FindNext( find, outbuf, bufsize );
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}
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/**
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* ZIP_FindFree
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*
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* Releases allocated memory associated with the find token
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*
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* @param hFind handle obtained from ZIP_FindInit
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*/
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PR_PUBLIC_API(PRInt32) ZIP_FindFree( void* hFind )
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{
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/*--- error check args ---*/
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if ( hFind == 0 )
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return ZIP_ERR_PARAM;
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nsZipFind* find = NS_STATIC_CAST(nsZipFind*,hFind);
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if ( find->kMagic != ZIPFIND_MAGIC )
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return ZIP_ERR_PARAM; /* whatever it is isn't one of ours! */
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/* free the find structure */
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return find->mArchive->FindFree( find );
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}
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@ -205,16 +237,16 @@ PR_EXTERN(PRInt32) ZIP_FindNext( void* hZip, char * outbuf, PRUint16 bufsize )
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PRInt32 nsZipArchive::OpenArchive( const char * aArchiveName )
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{
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//-- validate arguments
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if ( aArchiveName == NULL || *aArchiveName == '\0')
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if ( aArchiveName == 0 || *aArchiveName == '\0')
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return ZIP_ERR_PARAM;
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//-- not allowed to do two opens on the same object!
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if ( mFd != NULL )
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if ( mFd != 0 )
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return ZIP_ERR_GENERAL;
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//-- open the physical file
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mFd = PR_Open( aArchiveName, PR_RDONLY, 0 );
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if ( mFd == NULL )
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if ( mFd == 0 )
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return ZIP_ERR_DISK;
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//-- get table of contents for archive
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@ -229,12 +261,12 @@ PRInt32 nsZipArchive::OpenArchive( const char * aArchiveName )
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PRInt32 nsZipArchive::ExtractFile(const char* aFilename, const char* aOutname)
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{
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//-- sanity check arguments
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if ( aFilename == NULL || aOutname == NULL )
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if ( aFilename == 0 || aOutname == 0 )
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return ZIP_ERR_PARAM;
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//-- find file information
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const nsZipItem* item = GetFileItem( aFilename );
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if ( item == NULL )
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if ( item == 0 )
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return ZIP_ERR_FNF;
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//-- extract the file using appropriate method
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@ -257,43 +289,39 @@ PRInt32 nsZipArchive::ExtractFile(const char* aFilename, const char* aOutname)
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//---------------------------------------------
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// nsZipArchive::FindInit
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//---------------------------------------------
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PRInt32 nsZipArchive::FindInit( const char * aPattern )
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nsZipFind* nsZipArchive::FindInit( const char * aPattern )
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{
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PRBool regExp;
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char* pattern = 0;
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// validate the pattern
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if ( aPattern != NULL )
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if ( aPattern )
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{
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switch (XP_RegExpValid( (char*)aPattern ))
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{
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case INVALID_SXP:
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return ZIP_ERR_PARAM;
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return 0;
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case NON_SXP:
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mPatternIsRegExp = PR_FALSE;
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regExp = PR_FALSE;
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break;
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case VALID_SXP:
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mPatternIsRegExp = PR_TRUE;
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regExp = PR_TRUE;
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break;
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default:
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// unexpected/undoc'ed return value
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// undocumented return value from RegExpValid!
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PR_ASSERT( PR_FALSE );
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return ZIP_ERR_GENERAL;
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return 0;
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}
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// clear the old pattern
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if ( mPattern != NULL )
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{
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PL_strfree( mPattern );
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mPattern = NULL;
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pattern = PL_strdup( aPattern );
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if ( !pattern )
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return 0;
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}
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// re-initialize pattern state
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mPatternSlot = 0;
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mPatternItem = NULL;
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if ( aPattern != NULL )
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mPattern = PL_strdup( aPattern );
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return ZIP_OK;
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return new nsZipFind( this, pattern, regExp );
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}
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@ -301,32 +329,35 @@ PRInt32 nsZipArchive::FindInit( const char * aPattern )
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//---------------------------------------------
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// nsZipArchive::FindNext
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//---------------------------------------------
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PRInt32 nsZipArchive::FindNext( char * aBuf, PRUint16 aSize )
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PRInt32 nsZipArchive::FindNext( nsZipFind* aFind, char * aBuf, PRUint16 aSize )
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{
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PRInt32 status;
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PRBool found = PR_FALSE;
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PRUint32 slot = mPatternSlot;
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nsZipItem* item = mPatternItem;
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PRUint16 slot = aFind->mSlot;
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nsZipItem* item = aFind->mItem;
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if ( aFind->mArchive != this || aBuf == 0 )
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return ZIP_ERR_PARAM;
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// we start from last match, look for next
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while ( slot < ZIP_TABSIZE && !found )
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{
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if ( item != NULL )
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if ( item != 0 )
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item = item->next; // move to next in current chain
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else
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item = mFiles[slot]; // starting a new slot
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if ( item == NULL )
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if ( item == 0 )
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{ // no more in this chain, move to next slot
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++slot;
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continue;
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}
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else if ( mPattern == NULL )
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else if ( aFind->mPattern == 0 )
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found = PR_TRUE; // always match
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else if ( mPatternIsRegExp )
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found = XP_RegExpMatch( item->name, mPattern, PR_FALSE );
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else if ( aFind->mRegExp )
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found = XP_RegExpMatch( item->name, aFind->mPattern, PR_FALSE );
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else
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found = ( PL_strcmp( item->name, mPattern ) == 0 );
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found = ( PL_strcmp( item->name, aFind->mPattern ) == 0 );
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}
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if ( found )
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@ -343,10 +374,11 @@ PRInt32 nsZipArchive::FindNext( char * aBuf, PRUint16 aSize )
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status = ZIP_ERR_FNF;
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// save state for next Find. For 'smallbuf' we give user another chance
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// to find this same match.
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if ( status != ZIP_ERR_SMALLBUF )
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{
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mPatternSlot = slot;
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mPatternItem = item;
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aFind->mSlot = slot;
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aFind->mItem = item;
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}
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return status;
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@ -354,6 +386,20 @@ PRInt32 nsZipArchive::FindNext( char * aBuf, PRUint16 aSize )
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//---------------------------------------------
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// nsZipArchive::FindFree
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//---------------------------------------------
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PRInt32 nsZipArchive::FindFree( nsZipFind* aFind )
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{
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if ( aFind->mArchive != this )
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return ZIP_ERR_PARAM;
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delete aFind;
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return ZIP_OK;
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}
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//***********************************************************
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@ -369,7 +415,7 @@ PRInt32 nsZipArchive::BuildFileList()
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PRInt32 status = ZIP_OK;
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PRUint32 sig = 0L;
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PRUint32 namelen, extralen;
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PRUint16 hash;
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PRUint32 hash;
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ZipLocal Local;
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@ -417,13 +463,13 @@ PRInt32 nsZipArchive::BuildFileList()
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extralen = xtoint( Local.extrafield_len );
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item = new nsZipItem();
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if ( item != NULL )
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if ( item != 0 )
|
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{
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item->name = new char[namelen+1];
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|
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if ( item->name != NULL )
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if ( item->name != 0 )
|
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{
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if ( PR_Read( mFd, item->name, namelen ) == (PRInt32)namelen )
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if ( PR_Read( mFd, item->name, namelen ) == (READTYPE)namelen )
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{
|
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item->name[namelen] = 0;
|
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item->namelen = namelen;
|
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|
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@ -480,12 +526,12 @@ PRInt32 nsZipArchive::CopyItemToDisk( const nsZipItem* aItem, const char* aOutna
|
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{
|
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PRInt32 status = ZIP_OK;
|
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PRUint32 chunk, pos, size;
|
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PRFileDesc* fOut = NULL;
|
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PRFileDesc* fOut = 0;
|
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|
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PR_ASSERT( aItem != NULL && aOutname != NULL );
|
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PR_ASSERT( aItem != 0 && aOutname != 0 );
|
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|
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char* buf = (char*)PR_Malloc(ZIP_BUFLEN);
|
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if ( buf == NULL )
|
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if ( buf == 0 )
|
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return ZIP_ERR_MEMORY;
|
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|
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//-- find start of file in archive
|
||||
|
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@ -496,8 +542,8 @@ PRInt32 nsZipArchive::CopyItemToDisk( const nsZipItem* aItem, const char* aOutna
|
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}
|
||||
|
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//-- open output file
|
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fOut = PR_Open( aOutname, PR_WRONLY | PR_CREATE_FILE, 0644);
|
||||
if ( fOut == NULL )
|
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fOut = PR_Open( aOutname, ZFILE_CREATE , 0644);
|
||||
if ( fOut == 0 )
|
||||
{
|
||||
status = ZIP_ERR_DISK;
|
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goto cleanup;
|
||||
|
|
@ -509,14 +555,14 @@ PRInt32 nsZipArchive::CopyItemToDisk( const nsZipItem* aItem, const char* aOutna
|
|||
{
|
||||
chunk = (pos+ZIP_BUFLEN <= size) ? ZIP_BUFLEN : size - pos;
|
||||
|
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if ( PR_Read( mFd, buf, chunk ) != (PRInt32)chunk )
|
||||
if ( PR_Read( mFd, buf, chunk ) != (READTYPE)chunk )
|
||||
{
|
||||
//-- unexpected end of data in archive
|
||||
status = ZIP_ERR_CORRUPT;
|
||||
break;
|
||||
}
|
||||
|
||||
if ( PR_Write( fOut, buf, chunk ) < (PRInt32)chunk )
|
||||
if ( PR_Write( fOut, buf, chunk ) < (READTYPE)chunk )
|
||||
{
|
||||
//-- Couldn't write all the data (disk full?)
|
||||
status = ZIP_ERR_DISK;
|
||||
|
|
@ -525,7 +571,7 @@ PRInt32 nsZipArchive::CopyItemToDisk( const nsZipItem* aItem, const char* aOutna
|
|||
}
|
||||
|
||||
cleanup:
|
||||
if ( fOut != NULL )
|
||||
if ( fOut != 0 )
|
||||
PR_Close( fOut );
|
||||
|
||||
PR_FREEIF( buf );
|
||||
|
|
@ -539,11 +585,11 @@ cleanup:
|
|||
//---------------------------------------------
|
||||
const nsZipItem* nsZipArchive::GetFileItem( const char * aFilename )
|
||||
{
|
||||
PR_ASSERT( aFilename != NULL );
|
||||
PR_ASSERT( aFilename != 0 );
|
||||
|
||||
nsZipItem* item = mFiles[ HashName(aFilename) ];
|
||||
|
||||
for ( ; item != NULL; item = item->next )
|
||||
for ( ; item != 0; item = item->next )
|
||||
{
|
||||
if ( 0 == PL_strcmp( aFilename, item->name ) )
|
||||
break; //-- found it
|
||||
|
|
@ -557,12 +603,12 @@ const nsZipItem* nsZipArchive::GetFileItem( const char * aFilename )
|
|||
//---------------------------------------------
|
||||
// nsZipArchive::HashName
|
||||
//---------------------------------------------
|
||||
PRUint16 nsZipArchive::HashName( const char* aName )
|
||||
PRUint32 nsZipArchive::HashName( const char* aName )
|
||||
{
|
||||
PRUint16 val = 0;
|
||||
PRUint32 val = 0;
|
||||
PRUint8* c;
|
||||
|
||||
PR_ASSERT( aName != NULL );
|
||||
PR_ASSERT( aName != 0 );
|
||||
|
||||
for ( c = (PRUint8*)aName; *c != 0; c++ ) {
|
||||
val = val*37 + *c;
|
||||
|
|
@ -580,17 +626,17 @@ PRInt32 nsZipArchive::InflateItemToDisk( const nsZipItem* aItem, const char* aOu
|
|||
{
|
||||
PRInt32 status = ZIP_OK;
|
||||
PRUint32 chunk, inpos, outpos, size;
|
||||
PRFileDesc* fOut = NULL;
|
||||
PRFileDesc* fOut = 0;
|
||||
z_stream zs;
|
||||
int zerr;
|
||||
PRBool bInflating = PR_FALSE;
|
||||
|
||||
PR_ASSERT( aItem != NULL && aOutname != NULL );
|
||||
PR_ASSERT( aItem != 0 && aOutname != 0 );
|
||||
|
||||
//-- allocate deflation buffers
|
||||
Bytef *inbuf = (Bytef*)PR_Malloc(ZIP_BUFLEN);
|
||||
Bytef *outbuf = (Bytef*)PR_Malloc(ZIP_BUFLEN);
|
||||
if ( inbuf == NULL || outbuf == NULL )
|
||||
if ( inbuf == 0 || outbuf == 0 )
|
||||
{
|
||||
status = ZIP_ERR_MEMORY;
|
||||
goto cleanup;
|
||||
|
|
@ -604,8 +650,8 @@ PRInt32 nsZipArchive::InflateItemToDisk( const nsZipItem* aItem, const char* aOu
|
|||
}
|
||||
|
||||
//-- open output file
|
||||
fOut = PR_Open( aOutname, PR_WRONLY | PR_CREATE_FILE, 0644);
|
||||
if ( fOut == NULL )
|
||||
fOut = PR_Open( aOutname, ZFILE_CREATE, 0644);
|
||||
if ( fOut == 0 )
|
||||
{
|
||||
status = ZIP_ERR_DISK;
|
||||
goto cleanup;
|
||||
|
|
@ -637,7 +683,7 @@ PRInt32 nsZipArchive::InflateItemToDisk( const nsZipItem* aItem, const char* aOu
|
|||
inpos = zs.total_in; // input position
|
||||
chunk = ( inpos + ZIP_BUFLEN <= size ) ? ZIP_BUFLEN : size - inpos;
|
||||
|
||||
if ( PR_Read( mFd, inbuf, chunk ) != (PRInt32)chunk )
|
||||
if ( PR_Read( mFd, inbuf, chunk ) != (READTYPE)chunk )
|
||||
{
|
||||
//-- unexpected end of data
|
||||
status = ZIP_ERR_CORRUPT;
|
||||
|
|
@ -670,7 +716,7 @@ PRInt32 nsZipArchive::InflateItemToDisk( const nsZipItem* aItem, const char* aOu
|
|||
if ( zerr == Z_STREAM_END && outpos < zs.total_out )
|
||||
{
|
||||
chunk = zs.total_out - outpos;
|
||||
if ( PR_Write( fOut, outbuf, chunk ) < (PRInt32)chunk )
|
||||
if ( PR_Write( fOut, outbuf, chunk ) < (READTYPE)chunk )
|
||||
{
|
||||
status = ZIP_ERR_DISK;
|
||||
}
|
||||
|
|
@ -693,7 +739,7 @@ cleanup:
|
|||
inflateEnd( &zs );
|
||||
}
|
||||
|
||||
if ( fOut != NULL )
|
||||
if ( fOut != 0 )
|
||||
PR_Close( fOut );
|
||||
|
||||
PR_FREEIF( inbuf );
|
||||
|
|
@ -709,19 +755,18 @@ cleanup:
|
|||
//------------------------------------------
|
||||
|
||||
nsZipArchive::nsZipArchive()
|
||||
: kMagic(ZIP_MAGIC), mFd(NULL), mPattern(NULL),
|
||||
mPatternSlot(ZIP_TABSIZE), mPatternItem(NULL)
|
||||
: kMagic(ZIP_MAGIC), mFd(0)
|
||||
{
|
||||
// initialize the table to NULL
|
||||
for ( int i = 0; i < ZIP_TABSIZE; ++i) {
|
||||
mFiles[i] = NULL;
|
||||
mFiles[i] = 0;
|
||||
}
|
||||
}
|
||||
|
||||
nsZipArchive::~nsZipArchive()
|
||||
{
|
||||
// close the file if open
|
||||
if ( mFd != NULL ) {
|
||||
if ( mFd != 0 ) {
|
||||
PR_Close(mFd);
|
||||
}
|
||||
|
||||
|
|
@ -730,35 +775,55 @@ nsZipArchive::~nsZipArchive()
|
|||
for ( int i = 0; i < ZIP_TABSIZE; ++i)
|
||||
{
|
||||
pItem = mFiles[i];
|
||||
while ( pItem != NULL )
|
||||
while ( pItem != 0 )
|
||||
{
|
||||
mFiles[i] = pItem->next;
|
||||
delete pItem;
|
||||
pItem = mFiles[i];
|
||||
}
|
||||
}
|
||||
|
||||
if ( mPattern != NULL ) {
|
||||
PL_strfree(mPattern);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
//------------------------------------------
|
||||
// nsZipItem constructor and destructor
|
||||
//------------------------------------------
|
||||
|
||||
nsZipItem::nsZipItem() : name(NULL),next(NULL) {}
|
||||
nsZipItem::nsZipItem() : name(0),next(0) {}
|
||||
|
||||
nsZipItem::~nsZipItem()
|
||||
{
|
||||
if (name != NULL )
|
||||
if (name != 0 )
|
||||
delete [] name;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
//------------------------------------------
|
||||
// nsZipFind constructor and destructor
|
||||
//------------------------------------------
|
||||
|
||||
nsZipFind::nsZipFind( nsZipArchive* aZip, char* aPattern, PRBool aRegExp )
|
||||
: kMagic(ZIPFIND_MAGIC),
|
||||
mArchive(aZip),
|
||||
mPattern(aPattern),
|
||||
mSlot(0),
|
||||
mItem(0),
|
||||
mRegExp(aRegExp)
|
||||
{}
|
||||
|
||||
nsZipFind::~nsZipFind()
|
||||
{
|
||||
if (mPattern != 0 )
|
||||
PL_strfree( mPattern );
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
//------------------------------------------
|
||||
// helper functions
|
||||
//------------------------------------------
|
||||
|
|
@ -771,7 +836,7 @@ nsZipItem::~nsZipItem()
|
|||
*/
|
||||
static PRUint16 xtoint (unsigned char *ii)
|
||||
{
|
||||
return (PRUint16) (ii [0]) | ((PRUint16) ii [1] << 8);
|
||||
return (PRUint16) ((ii [0]) | (ii [1] << 8));
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
|
|||
|
|
@ -22,11 +22,16 @@
|
|||
* Daniel Veditz <dveditz@netscape.com>
|
||||
*/
|
||||
|
||||
#include "prtypes.h"
|
||||
|
||||
#define ZIP_MAGIC 0x5F5A4950L /* "_ZIP" */
|
||||
#define ZIP_TABSIZE 256
|
||||
#define ZIP_BUFLEN 32767
|
||||
#define ZIP_MAGIC 0x5A49505FL /* "ZIP_" */
|
||||
#define ZIPFIND_MAGIC 0x5A495046L /* "ZIPF" */
|
||||
#define ZIP_TABSIZE 256
|
||||
#define ZIP_BUFLEN 32767
|
||||
|
||||
|
||||
|
||||
|
||||
class nsZipFind;
|
||||
|
||||
/**
|
||||
* nsZipItem -- a helper class for nsZipArchive
|
||||
|
|
@ -60,6 +65,7 @@ private:
|
|||
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* nsZipArchive -- a class for reading the PKZIP file format.
|
||||
*
|
||||
|
|
@ -97,21 +103,35 @@ public:
|
|||
*/
|
||||
PRInt32 ExtractFile( const char * aFilename, const char * aOutname );
|
||||
|
||||
PRInt32 FindInit( const char * aPattern );
|
||||
PRInt32 FindNext( char * aBuf, PRUint16 aSize );
|
||||
/**
|
||||
* FindInit
|
||||
*
|
||||
* Initializes a search for files in the archive. FindNext() returns
|
||||
* the actual matches. FindFree() must be called when you're done
|
||||
*
|
||||
* @param aPattern a string or RegExp pattern to search for
|
||||
* (may be NULL to find all files in archive)
|
||||
* @return a structure used in FindNext. NULL indicates error
|
||||
*/
|
||||
nsZipFind* FindInit( const char * aPattern );
|
||||
|
||||
/**
|
||||
* FindNext
|
||||
*
|
||||
* @param aFind the Find structure returned by FindInit
|
||||
* @param aBuf A buffer to hold filenames that match pattern
|
||||
* @param aSize size of the buffer
|
||||
*/
|
||||
PRInt32 FindNext( nsZipFind* aFind, char * aBuf, PRUint16 aSize );
|
||||
|
||||
PRInt32 FindFree( nsZipFind *aFind );
|
||||
|
||||
private:
|
||||
//--- private members ---
|
||||
|
||||
PRFileDesc *mFd;
|
||||
|
||||
nsZipItem* mFiles[ZIP_TABSIZE];
|
||||
|
||||
char* mPattern;
|
||||
PRUint16 mPatternSlot;
|
||||
nsZipItem* mPatternItem;
|
||||
PRBool mPatternIsRegExp;
|
||||
|
||||
//--- private methods ---
|
||||
|
||||
nsZipArchive& operator=(const nsZipArchive& rhs); // prevent assignments
|
||||
|
|
@ -120,7 +140,37 @@ private:
|
|||
PRInt32 BuildFileList();
|
||||
PRInt32 CopyItemToDisk( const nsZipItem* aItem, const char* aOutname );
|
||||
const nsZipItem* GetFileItem( const char * aFilename );
|
||||
PRUint16 HashName( const char* aName );
|
||||
PRUint32 HashName( const char* aName );
|
||||
PRInt32 InflateItemToDisk( const nsZipItem* aItem, const char* aOutname );
|
||||
};
|
||||
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* nsZipFind
|
||||
*
|
||||
* a helper class for nsZipArchive, representing a search
|
||||
*/
|
||||
class nsZipFind
|
||||
{
|
||||
friend class nsZipArchive;
|
||||
friend PR_EXTERN(PRInt32) ZIP_FindNext( void*, char*, PRUint16 );
|
||||
friend PR_EXTERN(PRInt32) ZIP_FindFree( void* );
|
||||
public:
|
||||
const PRInt32 kMagic;
|
||||
|
||||
nsZipFind( nsZipArchive* aZip, char* aPattern, PRBool regExp );
|
||||
~nsZipFind();
|
||||
|
||||
private:
|
||||
nsZipArchive* mArchive;
|
||||
char* mPattern;
|
||||
PRUint16 mSlot;
|
||||
nsZipItem* mItem;
|
||||
PRBool mRegExp;
|
||||
|
||||
//-- prevent copies and assignments
|
||||
nsZipFind& operator=(const nsZipFind& rhs);
|
||||
nsZipFind(const nsZipFind& rhs);
|
||||
};
|
||||
|
|
|
|||
|
|
@ -32,7 +32,6 @@
|
|||
*
|
||||
* Currently only compression mode 8 (or none) is supported.
|
||||
*/
|
||||
#include "prtypes.h"
|
||||
|
||||
|
||||
#define ZIP_OK 0
|
||||
|
|
@ -66,8 +65,10 @@ PR_EXTERN(PRInt32) ZIP_ExtractFile( void* hZip, const char * filename, const cha
|
|||
|
||||
/* Functions to list the files contained in the archive
|
||||
*
|
||||
* FindInit() initializes the search with the pattern, then FindNext() is
|
||||
* called to get the matching filenames if any.
|
||||
* FindInit() initializes the search with the pattern and returns a find token,
|
||||
* or NULL on an error. Then FindNext() is called with the token to get the
|
||||
* matching filenames if any. When done you must call FindFree() with the
|
||||
* token to release memory.
|
||||
*
|
||||
* a NULL pattern will find all the files in the archive, otherwise the
|
||||
* pattern must be a shell regexp type pattern.
|
||||
|
|
@ -76,8 +77,9 @@ PR_EXTERN(PRInt32) ZIP_ExtractFile( void* hZip, const char * filename, const cha
|
|||
* will return ZIP_ERR_SMALLBUF. When no more matches can be found in
|
||||
* the archive it will return ZIP_ERR_FNF
|
||||
*/
|
||||
PR_EXTERN(PRInt32) ZIP_FindInit( void* hZip, const char * pattern );
|
||||
PR_EXTERN(PRInt32) ZIP_FindNext( void* hZip, char * outbuf, PRUint16 bufsize );
|
||||
PR_EXTERN(void*) ZIP_FindInit( void* hZip, const char * pattern );
|
||||
PR_EXTERN(PRInt32) ZIP_FindNext( void* hFind, char * outbuf, PRUint16 bufsize );
|
||||
PR_EXTERN(PRInt32) ZIP_FindFree( void* hFind );
|
||||
|
||||
|
||||
PR_END_EXTERN_C
|
||||
|
|
|
|||
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