/* $XConsortium: pexStr.c,v 5.3 92/12/01 17:17:58 hersh Exp $ */

/***********************************************************
Copyright 1989, 1990, 1991 by Sun Microsystems, Inc. and the X Consortium.

                        All Rights Reserved

Permission to use, copy, modify, and distribute this software and its 
documentation for any purpose and without fee is hereby granted, 
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in 
supporting documentation, and that the names of Sun Microsystems,
the X Consortium, and MIT not be used in advertising or publicity 
pertaining to distribution of the software without specific, written 
prior permission.  

SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT 
SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL 
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.

******************************************************************/


/*++
 *	PEXCreateStructure
 *	PEXCopyStructure
 *	PEXDestroyStructures
 *	PEXGetStructureInfo
 *	PEXGetElementInfo
 *	PEXGetStructuresInNetwork
 *	PEXGetAncestors
 *	PEXGetDescendants
 *	PEXFetchElements
 *	PEXSetEditingMode
 *	PEXSetElementPointer
 *	PEXSetElementPointerAtLabel
 *	PEXElementSearch
 *	PEXStoreElements
 *	PEXDeleteElements
 *	PEXDeleteElementsToLabel
 *	PEXDeleteBetweenLabels
 *	PEXCopyElements
 *	PEXChangeStructureReferences
 --*/
#include "X.h"
#include "PEX.h"
#include "pexError.h"
#include "pex_site.h"
#include "pexLookup.h"
#include "ddpex4.h"

#ifdef min
#undef min
#endif
 
#ifdef max
#undef max
#endif


/*++	PEXCreateStructure
 --*/
ErrorCode
PEXCreateStructure (cntxtPtr, strmPtr)
pexContext              *cntxtPtr;
pexCreateStructureReq   *strmPtr;
{
    ErrorCode err = Success;
    ErrorCode DeleteStructure ();
    diStructHandle sh;

    if (!LegalNewID(strmPtr->id, cntxtPtr->client))
	PEX_ERR_EXIT(BadIDChoice,strmPtr->id,cntxtPtr);

    sh = (diStructHandle)Xalloc((unsigned long)sizeof(ddStructResource));
    if (!sh) PEX_ERR_EXIT(BadAlloc,0,cntxtPtr);

    sh->id = strmPtr->id;
    err = CreateStructure(sh);
    if (err) {
	Xfree((pointer)sh);
	PEX_ERR_EXIT(err,0,cntxtPtr);
    }

    ADDRESOURCE(strmPtr->id, PEXStructType, sh);
    return( err );

} /* end-PEXCreateStructure() */

/*++	PEXCopyStructure
 --*/
ErrorCode
PEXCopyStructure (cntxtPtr, strmPtr)
pexContext              *cntxtPtr;
pexCopyStructureReq     *strmPtr;
{
    ErrorCode err = Success;
    diStructHandle sh1, sh2;

    LU_STRUCTURE (strmPtr->src, sh1);
    LU_STRUCTURE (strmPtr->dst, sh2);

    err = CopyStructure (sh1, sh2);
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);
    return( err );

} /* end-PEXCopyStructure() */

/*++	PEXDeleteStructures
 --*/
PEXDestroyStructures (cntxtPtr, strmPtr)
pexContext		*cntxtPtr;
pexDestroyStructuresReq  *strmPtr;
{
    ErrorCode err = Success;
    diStructHandle ps = 0;
    int i;
    pexStructure *pid;

    for ( i = 0, pid = (pexStructure *)(strmPtr+1); 
	  (i < strmPtr->numStructures) && (err == Success); i++, pid++) {
	LU_STRUCTURE(*pid, ps);
	FreeResource (*pid, RT_NONE);
    }

    return (err);

} /* end-PEXDestroyStructures() */

/*++	PEXGetStructureInfo
 --*/
ErrorCode
PEXGetStructureInfo( cntxtPtr, strmPtr )
pexContext     		*cntxtPtr;
pexGetStructureInfoReq  *strmPtr;
{
    ErrorCode err = Success;
    diStructHandle pstr = 0;
    extern ddBuffer *pPEXBuffer;
    pexGetStructureInfoReply *reply
			    = (pexGetStructureInfoReply *)(pPEXBuffer->pHead);

    LU_STRUCTURE(strmPtr->sid, pstr);

    err = InquireStructureInfo(	strmPtr->fpFormat, pstr, 
				(ddBitmask)(strmPtr->itemMask),
				&(reply->editMode), &(reply->elementPtr),
				&(reply->numElements), &(reply->lengthStructure),
				&(reply->hasRefs));
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);

    reply->length = 0;
    WritePEXReplyToClient(  cntxtPtr, strmPtr,sizeof(pexGetStructureInfoReply),
			    reply);
    return( err );

} /* end-PEXGetStructureInfo() */

/*++	PEXGetElementInfo
 */
ErrorCode
PEXGetElementInfo (cntxtPtr, strmPtr )
pexContext		*cntxtPtr;
pexGetElementInfoReq	*strmPtr;
{
    ErrorCode err = Success;
    diStructHandle pstr = 0;
    extern ddBuffer *pPEXBuffer;
    CARD32 numInfo;

    LU_STRUCTURE(strmPtr->sid, pstr);

    SETUP_INQ(pexGetElementInfoReply);

    err = InquireElementInfo(	pstr, (ddElementRange *)&(strmPtr->range),
				&numInfo, pPEXBuffer);
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);

    {
	SETUP_VAR_REPLY(pexGetElementInfoReply);
	reply->numInfo = numInfo;
	WritePEXBufferReply(pexGetElementInfoReply);
    }
    return( err );

}/* end-PEXGetElementInfo */

/*++	PEXGetStructuresInNetwork
 --*/
ErrorCode
PEXGetStructuresInNetwork( cntxtPtr, strmPtr )
pexContext     			*cntxtPtr;
pexGetStructuresInNetworkReq    *strmPtr;
{
    ErrorCode err = PEXNOERR;
    diStructHandle pstr = 0;
    extern ddBuffer *pPEXBuffer;
    CARD32 numStructures;

    LU_STRUCTURE(strmPtr->sid, pstr);

    SETUP_INQ(pexGetStructuresInNetworkReply);

    err = InquireStructureNetwork(  pstr, strmPtr->which, &numStructures,
				    pPEXBuffer);
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);

    {
	SETUP_VAR_REPLY(pexGetStructuresInNetworkReply);
	reply->numStructures = numStructures;
	WritePEXBufferReply(pexGetStructuresInNetworkReply);
    }
    return( err );

} /* end-PEXGetStructuresInNetwork() */

/*++	PEXGetAncestors
 --*/
ErrorCode
PEXGetAncestors( cntxtPtr, strmPtr )
pexContext     		*cntxtPtr;
pexGetAncestorsReq    	*strmPtr;
{
    ErrorCode err = Success;
    diStructHandle pstr = 0;
    extern ddBuffer *pPEXBuffer;
    CARD32 numPaths;

    LU_STRUCTURE(strmPtr->sid, pstr);

    SETUP_INQ(pexGetAncestorsReply);

    err = InquireAncestors( pstr, strmPtr->pathOrder, strmPtr->pathDepth,
			    &numPaths, pPEXBuffer);
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);

    {
	SETUP_VAR_REPLY(pexGetAncestorsReply);
	reply->numPaths = numPaths;
	WritePEXBufferReply(pexGetAncestorsReply);
    }
    return( err );

} /* end-PEXGetAncestors() */

/*++	PEXGetDescendants
 --*/
ErrorCode
PEXGetDescendants( cntxtPtr, strmPtr )
pexContext      	*cntxtPtr;
pexGetDescendantsReq    *strmPtr;
{
    ErrorCode err = Success;
    diStructHandle pstr = 0;
    extern ddBuffer *pPEXBuffer;
    CARD32 numPaths;

    LU_STRUCTURE(strmPtr->sid, pstr);

    SETUP_INQ(pexGetDescendantsReply);

    err = InquireDescendants(	pstr, strmPtr->pathOrder, strmPtr->pathDepth,
				&numPaths, pPEXBuffer);
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);

    {
	SETUP_VAR_REPLY(pexGetDescendantsReply);
	reply->numPaths = numPaths;
	WritePEXBufferReply(pexGetDescendantsReply);
    }
    return( err );

} /* end-PEXGetDescendants() */

/*++	PEXFetchElements
 --*/
ErrorCode
PEXFetchElements( cntxtPtr, strmPtr )
pexContext		*cntxtPtr;
pexFetchElementsReq	*strmPtr;
{
    ErrorCode err = Success;
    diStructHandle pstr = 0;
    extern ddBuffer *pPEXBuffer;
    CARD32 numElements;

    LU_STRUCTURE(strmPtr->sid, pstr);

    SETUP_INQ(pexFetchElementsReply);

    err = InquireElements (pstr, &(strmPtr->range), &numElements, pPEXBuffer);
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);

    {
	SETUP_VAR_REPLY(pexFetchElementsReply);
	reply->numElements = numElements;
	WritePEXBufferReply(pexFetchElementsReply);
    }
    return( err );

} /* end-PEXFetchElements */

/*++	PEXSetEditingMode
 --*/
ErrorCode
PEXSetEditingMode( cntxtPtr, strmPtr )
pexContext		*cntxtPtr;
pexSetEditingModeReq	*strmPtr;
{
    ErrorCode err = Success;
    diStructHandle pstr = 0;

    LU_STRUCTURE(strmPtr->sid, pstr);

    err = SetEditMode (pstr, strmPtr->mode);
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);
    return( err );

} /* end-PEXSetEditingMode */

/*++	PEXSetElementPointer
 --*/
ErrorCode
PEXSetElementPointer( cntxtPtr, strmPtr )
pexContext      	*cntxtPtr;
pexSetElementPointerReq	*strmPtr;
{
    ErrorCode err = Success;
    diStructHandle pstr = 0;

    LU_STRUCTURE(strmPtr->sid, pstr);

    err = SetElementPointer (pstr, &(strmPtr->position));
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);
    return( err );

} /* end-PEXSetElementPointer() */

/*++	PEXSetElementPointerAtLabel
 --*/
ErrorCode
PEXSetElementPointerAtLabel( cntxtPtr, strmPtr )
pexContext      		*cntxtPtr;
pexSetElementPointerAtLabelReq  *strmPtr;
{
    ErrorCode err = Success;
    diStructHandle pstr = 0;

    LU_STRUCTURE(strmPtr->sid, pstr);

    err = SetElementPointerAtLabel (pstr, strmPtr->label, strmPtr->offset);
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);
    return( err );

} /* end-PEXSetElementPointerAtLabel() */

/*++	PEXElementSearch
 --*/
ErrorCode
PEXElementSearch( cntxtPtr, strmPtr )
pexContext      	*cntxtPtr;
pexElementSearchReq    	*strmPtr;
{
    ErrorCode err = Success;
    diStructHandle pstr = 0;
    extern ddBuffer *pPEXBuffer;
    pexElementSearchReply *reply =
				(pexElementSearchReply *)(pPEXBuffer->pHead);
    CARD16 *pincl = (CARD16 *)(strmPtr + 1);

    LU_STRUCTURE(strmPtr->sid, pstr);

    SETUP_INQ(pexElementSearchReply);

    err = ElementSearch(    pstr, &(strmPtr->position), strmPtr->direction,
			    strmPtr->numIncls, strmPtr->numExcls, pincl,
			    pincl + strmPtr->numIncls + (strmPtr->numIncls %2),
			    &(reply->status),  &(reply->foundOffset));
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);
 
    reply->length = 0;
    WritePEXReplyToClient(cntxtPtr,strmPtr,sizeof(pexElementSearchReply),reply);
    return( err );

} /* end-PEXElementSearch() */

/*++	PEXStoreElements
 --*/
ErrorCode
PEXStoreElements( cntxtPtr, strmPtr )
pexContext      	*cntxtPtr;
pexStoreElementsReq    	*strmPtr;
{
    ErrorCode err = Success;
    diStructHandle pstr = 0;
    int i;
    pexElementInfo *pe = 0;
    CARD32 *curOC;
    pexStructure *ps;
    diStructHandle ph;
    pexOutputCommandError *pErr;

    LU_STRUCTURE(strmPtr->sid, pstr);
    CHECK_FP_FORMAT (strmPtr->fpFormat);

    for (i = 0, curOC = (CARD32 *)(strmPtr + 1);
	 i < strmPtr->numCommands;
	 i++, curOC += pe->length  ) {
	pe = (pexElementInfo *)curOC;
    	if ((PEXOCAll < pe->elementType ) && (pe->elementType <= PEXMaxOC)) { 
	    if (pe->elementType == PEXOCExecuteStructure) {
		ps = &(((pexExecuteStructure *)(pe))->id);
		LU_STRUCTURE(*ps, ph);
		*ps = (pexStructure)(ph);
	    }
	}
    }

    err = StoreElements(    pstr,
			    strmPtr->numCommands,(ddElementInfo *)(strmPtr+1),
			    &pErr);

    if (err == BadImplementation) PEX_ERR_EXIT(err,0,cntxtPtr)
    else if (err) PEX_OC_ERROR(pErr, cntxtPtr);

    return( err );

} /* end-PEXStoreElements() */

/*++	PEXDeleteElements
 --*/
ErrorCode
PEXDeleteElements( cntxtPtr, strmPtr )
pexContext		*cntxtPtr;
pexDeleteElementsReq	*strmPtr;
{
    ErrorCode err = Success;
    diStructHandle pstr = 0;

    LU_STRUCTURE(strmPtr->sid, pstr);

    err = DeleteElements( pstr, &(strmPtr->range));
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);
    return( err );

} /* end-PEXDeleteElements */

/*++	PEXDeleteElementsToLabel
 --*/
ErrorCode
PEXDeleteElementsToLabel( cntxtPtr, strmPtr )
pexContext      		*cntxtPtr;
pexDeleteElementsToLabelReq    	*strmPtr;
{
    ErrorCode err = Success;
    diStructHandle pstr = 0;

    LU_STRUCTURE(strmPtr->sid, pstr);

    err = DeleteToLabel (pstr, &(strmPtr->position), strmPtr->label);
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);
    return( err );

} /* end-PEXDeleteElementsToLabel() */

/*++	PEXDeleteBetweenLabels
 --*/
ErrorCode
PEXDeleteBetweenLabels( cntxtPtr, strmPtr )
pexContext     			*cntxtPtr;
pexDeleteBetweenLabelsReq    	*strmPtr;
{
    ErrorCode err = Success;
    diStructHandle pstr = 0;

    LU_STRUCTURE(strmPtr->sid, pstr);

    err = DeleteBetweenLabels (pstr, strmPtr->label1, strmPtr->label2);
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);
    return( err );

} /* end-PEXDeleteBetweenLabels() */

/*++	PEXCopyElements
 --*/

ErrorCode
PEXCopyElements( cntxtPtr, strmPtr )
pexContext      	*cntxtPtr;
pexCopyElementsReq  	*strmPtr;
{
    ErrorCode err = Success;
    diStructHandle ps1, ps2;

    LU_STRUCTURE (strmPtr->src, ps1);
    LU_STRUCTURE (strmPtr->dst, ps2);

    err = CopyElements (ps1, &(strmPtr->srcRange), ps2, &(strmPtr->dstPosition));
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);
    return( err );

} /* end-PEXCopyElements() */

/*++	Change Structure References
 --*/
ErrorCode
PEXChangeStructureRefs( cntxtPtr, strmPtr )
pexContext			*cntxtPtr;
pexChangeStructureRefsReq	*strmPtr;
{
    ErrorCode err = Success;
    diStructHandle pold = 0, pnew = 0;

    LU_STRUCTURE(strmPtr->old_id, pold);
    LU_STRUCTURE(strmPtr->new_id, pnew);

    err = ChangeStructureReferences (pold, pnew);
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);
    return( err );

} /* end-PEXChangeStructureRefs() */
/*++
 *
 *	End of File
 *
 --*/