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#ifndef XADMASTER_HOOK_C
#define XADMASTER_HOOK_C
/* $Id: hook.c,v 1.8 2005/06/23 14:54:37 stoecker Exp $
allows hook access from programs
XAD library system for archive handling
Copyright (C) 1998 and later by Dirk StĖcker <soft@dstoecker.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "include/functions.h"
#define MakeXADFlag(fl) if(ti->ti_Data) flags |= fl; else flags &= ~fl
FUNCxadGetHookAccess /* struct xadArchiveInfoP *ai, xadTAGPTR tags */
{
xadINT32 in = 0, out = 0, outfl = 0;
xadERROR ret = 0;
xadUINT32 flags;
xadTAGPTR ti, ti2 = tags;
struct Hook *proghook = 0;
xadSignSize insize = -1;
xadFileHandle infh = 0;
xadSTRPTR inname = 0;
xadPTR inbuf = 0;
struct xadSplitFile *insplitt = 0;
struct Hook *inhook = 0;
xadTAGPTR inda = 0, inai = 0;
xadSignSize outsize = -1;
xadFileHandle outfh = 0;
xadSTRPTR outname = 0;
xadPTR outbuf = 0;
struct Hook *outhook = 0;
xadTAGPTR outai = 0;
#ifdef AMIGA
struct xadDeviceInfo *outdev = 0;
struct xadDeviceInfo *indev = 0;
#endif
#ifdef DEBUG
DebugTagList("xadGetHookAccess", tags);
#endif
flags = ai->xaip_ArchiveInfo.xai_Flags;
while((ti = NextTagItem(&ti2)))
{
switch(ti->ti_Tag)
{
case XAD_INSIZE: insize = (xadSignSize) ti->ti_Data; break;
case XAD_INFILENAME: ++in; inname = (xadSTRPTR)(uintptr_t) ti->ti_Data; break;
case XAD_INFILEHANDLE: ++in; infh = (xadFileHandle) ti->ti_Data; break;
case XAD_INMEMORY: ++in; inbuf = (xadPTR)(uintptr_t) ti->ti_Data; break;
case XAD_INHOOK: ++in; inhook = (struct Hook *)(uintptr_t) ti->ti_Data; break;
case XAD_INSPLITTED: ++in; insplitt = (struct xadSplitFile *)(uintptr_t) ti->ti_Data;
break;
case XAD_INDISKARCHIVE: ++in; inda = (xadTAGPTR)(uintptr_t) ti->ti_Data;
break;
case XAD_INXADSTREAM: ++in; inai = (xadTAGPTR)(uintptr_t) ti->ti_Data; break;
#ifdef AMIGA
case XAD_INDEVICE: ++in; indev = (struct xadDeviceInfo *) ti->ti_Data;
break;
case XAD_OUTDEVICE: ++out; outdev = (struct xadDeviceInfo *) ti->ti_Data;
break;
case XAD_VERIFY: ++outfl; MakeXADFlag(XADAIF_VERIFY); break;
case XAD_FORMAT: ++outfl; MakeXADFlag(XADAIF_FORMAT); break;
case XAD_IGNOREGEOMETRY: ++outfl; MakeXADFlag(XADAIF_IGNOREGEOMETRY);
break;
case XAD_USESECTORLABELS: ++outfl; MakeXADFlag(XADAIF_USESECTORLABELS);
break;
#endif
case XAD_OUTFILEHANDLE: ++out; outfh = (xadFileHandle) ti->ti_Data; break;
case XAD_OUTFILENAME: ++out; outname = (xadSTRPTR)(uintptr_t) ti->ti_Data; break;
case XAD_OUTHOOK: ++out; outhook = (struct Hook *)(uintptr_t) ti->ti_Data; break;
case XAD_OUTMEMORY: ++out; outbuf = (xadPTR)(uintptr_t) ti->ti_Data; break;
case XAD_OUTSIZE: outsize = ti->ti_Data; break;
case XAD_OUTXADSTREAM: ++out; outai = (xadTAGPTR)(uintptr_t) ti->ti_Data;
break;
case XAD_PROGRESSHOOK: proghook = (struct Hook *)(uintptr_t) ti->ti_Data; break;
case XAD_PASSWORD: ai->xaip_ArchiveInfo.xai_Password
= (xadSTRPTR)(uintptr_t) ti->ti_Data; break;
case XAD_OVERWRITE: ++outfl; MakeXADFlag(XADAIF_OVERWRITE); break;
case XAD_MAKEDIRECTORY: ++outfl; MakeXADFlag(XADAIF_MAKEDIRECTORY); break;
case XAD_NOKILLPARTIAL: ++outfl; MakeXADFlag(XADAIF_NOKILLPARTIAL); break;
}
}
if(in > 1 || out > 1 || !(in+out) ||
((ai->xaip_ArchiveInfo.xai_Flags & XADAIF_ONLYOUT) && in) ||
((ai->xaip_ArchiveInfo.xai_Flags & XADAIF_ONLYIN) && (out+outfl)) ||
(inbuf && insize == -1) || (in && !inbuf && !inhook && !infh
&& !inname && !insplitt && !inda
#ifdef AMIGA
&& !indev
#endif
&& !inai) || (outbuf && outsize == -1) || (out && !outbuf && !outhook
&& !outfh && !outname
#ifdef AMIGA
&& !outdev
#endif
&& !outai))
ret = XADERR_BADPARAMS;
#ifdef DEBUG
if(ret)
DebugError("xadGetHookAccess error(%s,%s,%s,%s,%s,%s,%s,%s,%s)",
in > 1 ? "T" : "F",
out > 1 ? "T" : "F",
!(in+out) ? "T" : "F",
((ai->xaip_ArchiveInfo.xai_Flags & XADAIF_ONLYOUT) && in) ? "T" : "F",
((ai->xaip_ArchiveInfo.xai_Flags & XADAIF_ONLYIN) && (out+outfl))
? "T" : "F", (inbuf && insize == -1) ? "T" : "F",
(in && !inbuf && !inhook && !infh && !inname && !insplitt && !inda
#ifdef AMIGA
&& !indev
#endif
&& !inai) ? "T" : "F", (outbuf && outsize == -1) ? "T" : "F",
(out && !outbuf && !outhook && !outfh && !outname
#ifdef AMIGA
&& !outdev
#endif
&& !outai) ? "T" : "F");
#endif
ai->xaip_ProgressHook = proghook;
if(!ret && in)
{
if(inbuf)
inhook = &xadMasterBase->xmb_InHookMem;
else if(infh || inname)
inhook = &xadMasterBase->xmb_InHookFH;
else if(insplitt)
inhook = &xadMasterBase->xmb_InHookSplitted;
else if(inda)
inhook = &xadMasterBase->xmb_InHookDiskArc;
#ifdef AMIGA
else if(indev)
inhook = &xadMasterBase->xmb_InHookDisk;
#endif
else if(inai)
inhook = &xadMasterBase->xmb_InHookStream;
ai->xaip_ArchiveInfo.xai_InSize =
ai->xaip_InSize = insize;
ai->xaip_InSplitted = insplitt;
ai->xaip_InMemory = inbuf;
ai->xaip_InFileHandle = infh;
ai->xaip_InFileName = inname;
ai->xaip_InHook = inhook;
ai->xaip_InDiskArc = inda;
#ifdef AMIGA
ai->xaip_InDevice = indev;
#endif
ai->xaip_InArcInfo = inai;
ai->xaip_MasterBase = xadMasterBase;
ai->xaip_InHookParam.xhp_Command = XADHC_INIT;
if(!(ret = CallHookPkt(ai->xaip_InHook, ai, &ai->xaip_InHookParam))
&& insize == -1)
{
ai->xaip_InHookParam.xhp_Command = XADHC_FULLSIZE;
if(!(ret = CallHookPkt(ai->xaip_InHook, ai, &ai->xaip_InHookParam)))
{
ai->xaip_ArchiveInfo.xai_InSize = ai->xaip_InSize =
ai->xaip_InHookParam.xhp_CommandData;
}
}
}
if(!ret && out)
{
if(outbuf)
outhook = &xadMasterBase->xmb_OutHookMem;
else if(outfh || outname)
outhook = &xadMasterBase->xmb_OutHookFH;
#ifdef AMIGA
else if(outdev)
outhook = &xadMasterBase->xmb_OutHookDisk;
#endif
else if(outai)
outhook = &xadMasterBase->xmb_OutHookStream;
ai->xaip_ArchiveInfo.xai_Flags = flags;
ai->xaip_OutSize = outsize;
ai->xaip_OutMemory = outbuf;
ai->xaip_OutFileHandle = outfh;
ai->xaip_OutFileName = outname;
ai->xaip_OutHook = outhook;
#ifdef AMIGA
ai->xaip_OutDevice = outdev;
#endif
ai->xaip_OutArcInfo = outai;
ai->xaip_MasterBase = xadMasterBase;
ai->xaip_OutHookParam.xhp_Command = XADHC_INIT;
ret = CallHookPkt(ai->xaip_OutHook, ai, &ai->xaip_OutHookParam);
}
if(ret)
{
xadFreeHookAccess(XADM_PRIV XADM_AI(ai), XAD_WASERROR, ret, TAG_DONE);
#ifdef DEBUG
DebugError("xadGetHookAccess returns \"%s\" (%ld)",
xadGetErrorText(XADM ret), ret);
#endif
}
return ret;
}
ENDFUNC
FUNCxadFreeHookAccess /* struct xadArchiveInfoP *ai, xadTAGPTR tags */
{
#ifdef DEBUG
DebugTagList("xadFreeHookAccess", tags);
#endif
if(!(ai->xaip_ArchiveInfo.xai_Flags & XADAIF_ONLYOUT))
{
if(ai->xaip_InHook)
{
ai->xaip_InHookParam.xhp_Command = XADHC_FREE;
CallHookPkt(ai->xaip_InHook, ai, &ai->xaip_InHookParam);
memset(&ai->xaip_InHookParam, 0, sizeof(struct xadHookParam));
}
}
if(!(ai->xaip_ArchiveInfo.xai_Flags & XADAIF_ONLYIN))
{
xadERROR err;
err = GetTagData(XAD_WASERROR, 0, tags);
if(ai->xaip_OutHook)
{
if(err)
{
ai->xaip_OutHookParam.xhp_Command = XADHC_ABORT;
CallHookPkt(ai->xaip_OutHook, ai, &ai->xaip_OutHookParam);
}
ai->xaip_OutHookParam.xhp_Command = XADHC_FREE;
CallHookPkt(ai->xaip_OutHook, ai, &ai->xaip_OutHookParam);
memset(&ai->xaip_OutHookParam, 0, sizeof(struct xadHookParam));
callprogress(ai, err, err ? XADPMODE_ERROR : XADPMODE_END,
xadMasterBase);
}
}
/* clear the structure to allow reuse */
if(!(ai->xaip_ArchiveInfo.xai_Flags & (XADAIF_ONLYOUT|XADAIF_ONLYOUT)))
memset(ai, 0, sizeof(struct xadArchiveInfoP));
}
ENDFUNC
#endif /* XADMASTER_HOOK_C */
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