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|
Attribute VB_Name = "VBZipBas"
Option Explicit
'---------------------------------------------------------------
'-- Please Do Not Remove These Comments!!!
'---------------------------------------------------------------
'-- Sample VB 5 code to drive zip32.dll
'-- Contributed to the Info-ZIP project by Mike Le Voi
'--
'-- Contact me at: mlevoi@modemss.brisnet.org.au
'--
'-- Visit my home page at: http://modemss.brisnet.org.au/~mlevoi
'--
'-- Use this code at your own risk. Nothing implied or warranted
'-- to work on your machine :-)
'---------------------------------------------------------------
'--
'-- The Source Code Is Freely Available From Info-ZIP At:
'-- http://www.cdrom.com/pub/infozip/infozip.html
'--
'-- A Very Special Thanks To Mr. Mike Le Voi
'-- And Mr. Mike White Of The Info-ZIP
'-- For Letting Me Use And Modify His Orginal
'-- Visual Basic 5.0 Code! Thank You Mike Le Voi.
'---------------------------------------------------------------
'--
'-- Contributed To The Info-ZIP Project By Raymond L. King
'-- Modified June 21, 1998
'-- By Raymond L. King
'-- Custom Software Designers
'--
'-- Contact Me At: king@ntplx.net
'-- ICQ 434355
'-- Or Visit Our Home Page At: http://www.ntplx.net/~king
'--
'---------------------------------------------------------------
'-- C Style argv
'-- Holds The Zip Archive Filenames
Public Type ZIPnames
zFiles(0 To 99) As String
End Type
'-- Call Back "String"
Public Type ZipCBChar
ch(4096) As Byte
End Type
'-- ZPOPT Is Used To Set The Options In The ZIP32.DLL
Public Type ZPOPT
Date As String ' US Date (8 Bytes Long) "12/31/98"?
szRootDir As String ' Root Directory Pathname (Up To 256 Bytes Long)
szTempDir As String ' Temp Directory Pathname (Up To 256 Bytes Long)
fTemp As Long ' 1 If Temp dir Wanted, Else 0
fSuffix As Long ' Include Suffixes (Not Yet Implemented!)
fEncrypt As Long ' 1 If Encryption Wanted, Else 0
fSystem As Long ' 1 To Include System/Hidden Files, Else 0
fVolume As Long ' 1 If Storing Volume Label, Else 0
fExtra As Long ' 1 If Excluding Extra Attributes, Else 0
fNoDirEntries As Long ' 1 If Ignoring Directory Entries, Else 0
fExcludeDate As Long ' 1 If Excluding Files Earlier Than Specified Date, Else 0
fIncludeDate As Long ' 1 If Including Files Earlier Than Specified Date, Else 0
fVerbose As Long ' 1 If Full Messages Wanted, Else 0
fQuiet As Long ' 1 If Minimum Messages Wanted, Else 0
fCRLF_LF As Long ' 1 If Translate CR/LF To LF, Else 0
fLF_CRLF As Long ' 1 If Translate LF To CR/LF, Else 0
fJunkDir As Long ' 1 If Junking Directory Names, Else 0
fGrow As Long ' 1 If Allow Appending To Zip File, Else 0
fForce As Long ' 1 If Making Entries Using DOS File Names, Else 0
fMove As Long ' 1 If Deleting Files Added Or Updated, Else 0
fDeleteEntries As Long ' 1 If Files Passed Have To Be Deleted, Else 0
fUpdate As Long ' 1 If Updating Zip File-Overwrite Only If Newer, Else 0
fFreshen As Long ' 1 If Freshing Zip File-Overwrite Only, Else 0
fJunkSFX As Long ' 1 If Junking SFX Prefix, Else 0
fLatestTime As Long ' 1 If Setting Zip File Time To Time Of Latest File In Archive, Else 0
fComment As Long ' 1 If Putting Comment In Zip File, Else 0
fOffsets As Long ' 1 If Updating Archive Offsets For SFX Files, Else 0
fPrivilege As Long ' 1 If Not Saving Privileges, Else 0
fEncryption As Long ' Read Only Property!!!
fRecurse As Long ' 1 (-r), 2 (-R) If Recursing Into Sub-Directories, Else 0
fRepair As Long ' 1 = Fix Archive, 2 = Try Harder To Fix, Else 0
flevel As Byte ' Compression Level - 0 = Stored 6 = Default 9 = Max
End Type
'-- This Structure Is Used For The ZIP32.DLL Function Callbacks
Public Type ZIPUSERFUNCTIONS
ZDLLPrnt As Long ' Callback ZIP32.DLL Print Function
ZDLLCOMMENT As Long ' Callback ZIP32.DLL Comment Function
ZDLLPASSWORD As Long ' Callback ZIP32.DLL Password Function
ZDLLSERVICE As Long ' Callback ZIP32.DLL Service Function
End Type
'-- Local Declarations
Public ZOPT As ZPOPT
Public ZUSER As ZIPUSERFUNCTIONS
'-- This Assumes ZIP32.DLL Is In Your \Windows\System Directory!
'-- (alternatively, a copy of ZIP32.DLL needs to be located in the program
'-- directory or in some other directory listed in the PATH.)
Private Declare Function ZpInit Lib "zip32.dll" _
(ByRef Zipfun As ZIPUSERFUNCTIONS) As Long '-- Set Zip Callbacks
Private Declare Function ZpSetOptions Lib "zip32.dll" _
(ByRef Opts As ZPOPT) As Long '-- Set Zip Options
Private Declare Function ZpGetOptions Lib "zip32.dll" _
() As ZPOPT '-- Used To Check Encryption Flag Only
Private Declare Function ZpArchive Lib "zip32.dll" _
(ByVal argc As Long, ByVal funame As String, _
ByRef argv As ZIPnames) As Long '-- Real Zipping Action
'-------------------------------------------------------
'-- Public Variables For Setting The ZPOPT Structure...
'-- (WARNING!!!) You Must Set The Options That You
'-- Want The ZIP32.DLL To Do!
'-- Before Calling VBZip32!
'--
'-- NOTE: See The Above ZPOPT Structure Or The VBZip32
'-- Function, For The Meaning Of These Variables
'-- And How To Use And Set Them!!!
'-- These Parameters Must Be Set Before The Actual Call
'-- To The VBZip32 Function!
'-------------------------------------------------------
Public zDate As String
Public zRootDir As String
Public zTempDir As String
Public zSuffix As Integer
Public zEncrypt As Integer
Public zSystem As Integer
Public zVolume As Integer
Public zExtra As Integer
Public zNoDirEntries As Integer
Public zExcludeDate As Integer
Public zIncludeDate As Integer
Public zVerbose As Integer
Public zQuiet As Integer
Public zCRLF_LF As Integer
Public zLF_CRLF As Integer
Public zJunkDir As Integer
Public zRecurse As Integer
Public zGrow As Integer
Public zForce As Integer
Public zMove As Integer
Public zDelEntries As Integer
Public zUpdate As Integer
Public zFreshen As Integer
Public zJunkSFX As Integer
Public zLatestTime As Integer
Public zComment As Integer
Public zOffsets As Integer
Public zPrivilege As Integer
Public zEncryption As Integer
Public zRepair As Integer
Public zLevel As Integer
'-- Public Program Variables
Public zArgc As Integer ' Number Of Files To Zip Up
Public zZipFileName As String ' The Zip File Name ie: Myzip.zip
Public zZipFileNames As ZIPnames ' File Names To Zip Up
Public zZipInfo As String ' Holds The Zip File Information
'-- Public Constants
'-- For Zip & UnZip Error Codes!
Public Const ZE_OK = 0 ' Success (No Error)
Public Const ZE_EOF = 2 ' Unexpected End Of Zip File Error
Public Const ZE_FORM = 3 ' Zip File Structure Error
Public Const ZE_MEM = 4 ' Out Of Memory Error
Public Const ZE_LOGIC = 5 ' Internal Logic Error
Public Const ZE_BIG = 6 ' Entry Too Large To Split Error
Public Const ZE_NOTE = 7 ' Invalid Comment Format Error
Public Const ZE_TEST = 8 ' Zip Test (-T) Failed Or Out Of Memory Error
Public Const ZE_ABORT = 9 ' User Interrupted Or Termination Error
Public Const ZE_TEMP = 10 ' Error Using A Temp File
Public Const ZE_READ = 11 ' Read Or Seek Error
Public Const ZE_NONE = 12 ' Nothing To Do Error
Public Const ZE_NAME = 13 ' Missing Or Empty Zip File Error
Public Const ZE_WRITE = 14 ' Error Writing To A File
Public Const ZE_CREAT = 15 ' Could't Open To Write Error
Public Const ZE_PARMS = 16 ' Bad Command Line Argument Error
Public Const ZE_OPEN = 18 ' Could Not Open A Specified File To Read Error
'-- These Functions Are For The ZIP32.DLL
'--
'-- Puts A Function Pointer In A Structure
'-- For Use With Callbacks...
Public Function FnPtr(ByVal lp As Long) As Long
FnPtr = lp
End Function
'-- Callback For ZIP32.DLL - DLL Print Function
Public Function ZDLLPrnt(ByRef fname As ZipCBChar, ByVal x As Long) As Long
Dim s0 As String
Dim xx As Long
'-- Always Put This In Callback Routines!
On Error Resume Next
s0 = ""
'-- Get Zip32.DLL Message For processing
For xx = 0 To x
If fname.ch(xx) = 0 Then
Exit For
Else
s0 = s0 + Chr(fname.ch(xx))
End If
Next
'----------------------------------------------
'-- This Is Where The DLL Passes Back Messages
'-- To You! You Can Change The Message Printing
'-- Below Here!
'----------------------------------------------
'-- Display Zip File Information
'-- zZipInfo = zZipInfo & s0
Form1.Print s0;
DoEvents
ZDLLPrnt = 0
End Function
'-- Callback For ZIP32.DLL - DLL Service Function
Public Function ZDLLServ(ByRef mname As ZipCBChar, ByVal x As Long) As Long
Dim s0 As String
Dim xx As Long
'-- Always Put This In Callback Routines!
On Error Resume Next
s0 = ""
'-- Get Zip32.DLL Message For processing
For xx = 0 To x
If mname.ch(xx) = 0 Then
Exit For
Else
s0 = s0 + Chr(mname.ch(xx))
End If
Next
' At this point, s0 contains the message passed from the DLL
' It is up to the developer to code something useful here :)
ZDLLServ = 0 ' Setting this to 1 will abort the zip!
End Function
'-- Callback For ZIP32.DLL - DLL Password Function
Public Function ZDLLPass(ByRef p As ZipCBChar, _
ByVal n As Long, ByRef m As ZipCBChar, _
ByRef Name As ZipCBChar) As Integer
Dim prompt As String
Dim xx As Integer
Dim szpassword As String
'-- Always Put This In Callback Routines!
On Error Resume Next
ZDLLPass = 1
'-- If There Is A Password Have The User Enter It!
'-- This Can Be Changed
szpassword = InputBox("Please Enter The Password!")
'-- The User Did Not Enter A Password So Exit The Function
If szpassword = "" Then Exit Function
'-- User Entered A Password So Proccess It
For xx = 0 To 255
If m.ch(xx) = 0 Then
Exit For
Else
prompt = prompt & Chr(m.ch(xx))
End If
Next
For xx = 0 To n - 1
p.ch(xx) = 0
Next
For xx = 0 To Len(szpassword) - 1
p.ch(xx) = Asc(Mid(szpassword, xx + 1, 1))
Next
p.ch(xx) = Chr(0) ' Put Null Terminator For C
ZDLLPass = 0
End Function
'-- Callback For ZIP32.DLL - DLL Comment Function
Public Function ZDLLComm(ByRef s1 As ZipCBChar) As Integer
Dim xx%, szcomment$
'-- Always Put This In Callback Routines!
On Error Resume Next
ZDLLComm = 1
szcomment = InputBox("Enter the comment")
If szcomment = "" Then Exit Function
For xx = 0 To Len(szcomment) - 1
s1.ch(xx) = Asc(Mid$(szcomment, xx + 1, 1))
Next xx
s1.ch(xx) = Chr(0) ' Put null terminator for C
End Function
'-- Main ZIP32.DLL Subroutine.
'-- This Is Where It All Happens!!!
'--
'-- (WARNING!) Do Not Change This Function!!!
'--
Public Function VBZip32() As Long
Dim retcode As Long
On Error Resume Next '-- Nothing Will Go Wrong :-)
retcode = 0
'-- Set Address Of ZIP32.DLL Callback Functions
'-- (WARNING!) Do Not Change!!!
ZUSER.ZDLLPrnt = FnPtr(AddressOf ZDLLPrnt)
ZUSER.ZDLLPASSWORD = FnPtr(AddressOf ZDLLPass)
ZUSER.ZDLLCOMMENT = FnPtr(AddressOf ZDLLComm)
ZUSER.ZDLLSERVICE = FnPtr(AddressOf ZDLLServ)
'-- Set ZIP32.DLL Callbacks
retcode = ZpInit(ZUSER)
'-- Setup ZIP32 Options
'-- (WARNING!) Do Not Change!
ZOPT.Date = zDate ' "12/31/79"? US Date?
ZOPT.szRootDir = zRootDir ' Root Directory Pathname
ZOPT.szTempDir = zTempDir ' Temp Directory Pathname
ZOPT.fSuffix = zSuffix ' Include Suffixes (Not Yet Implemented)
ZOPT.fEncrypt = zEncrypt ' 1 If Encryption Wanted
ZOPT.fSystem = zSystem ' 1 To Include System/Hidden Files
ZOPT.fVolume = zVolume ' 1 If Storing Volume Label
ZOPT.fExtra = zExtra ' 1 If Including Extra Attributes
ZOPT.fNoDirEntries = zNoDirEntries ' 1 If Ignoring Directory Entries
ZOPT.fExcludeDate = zExcludeDate ' 1 If Excluding Files Earlier Than A Specified Date
ZOPT.fIncludeDate = zIncludeDate ' 1 If Including Files Earlier Than A Specified Date
ZOPT.fVerbose = zVerbose ' 1 If Full Messages Wanted
ZOPT.fQuiet = zQuiet ' 1 If Minimum Messages Wanted
ZOPT.fCRLF_LF = zCRLF_LF ' 1 If Translate CR/LF To LF
ZOPT.fLF_CRLF = zLF_CRLF ' 1 If Translate LF To CR/LF
ZOPT.fJunkDir = zJunkDir ' 1 If Junking Directory Names
ZOPT.fGrow = zGrow ' 1 If Allow Appending To Zip File
ZOPT.fForce = zForce ' 1 If Making Entries Using DOS Names
ZOPT.fMove = zMove ' 1 If Deleting Files Added Or Updated
ZOPT.fDeleteEntries = zDelEntries ' 1 If Files Passed Have To Be Deleted
ZOPT.fUpdate = zUpdate ' 1 If Updating Zip File-Overwrite Only If Newer
ZOPT.fFreshen = zFreshen ' 1 If Freshening Zip File-Overwrite Only
ZOPT.fJunkSFX = zJunkSFX ' 1 If Junking SFX Prefix
ZOPT.fLatestTime = zLatestTime ' 1 If Setting Zip File Time To Time Of Latest File In Archive
ZOPT.fComment = zComment ' 1 If Putting Comment In Zip File
ZOPT.fOffsets = zOffsets ' 1 If Updating Archive Offsets For SFX Files
ZOPT.fPrivilege = zPrivilege ' 1 If Not Saving Privelages
ZOPT.fEncryption = zEncryption ' Read Only Property!
ZOPT.fRecurse = zRecurse ' 1 or 2 If Recursing Into Subdirectories
ZOPT.fRepair = zRepair ' 1 = Fix Archive, 2 = Try Harder To Fix
ZOPT.flevel = zLevel ' Compression Level - (0 To 9) Should Be 0!!!
'-- Set ZIP32.DLL Options
retcode = ZpSetOptions(ZOPT)
'-- Go Zip It Them Up!
retcode = ZpArchive(zArgc, zZipFileName, zZipFileNames)
'-- Return The Function Code
VBZip32 = retcode
End Function
|
