1 line
21 KiB
C
1 line
21 KiB
C
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/* Copyright (c) 2017, Computer History Museum
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted (subject to
the limitations in the disclaimer below) provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided with the distribution.
* Neither the name of Computer History Museum nor the names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE
COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE. */
#include "filtmng.h"
/************************************************************************
* Filters window - Copyright (C) 1994 QUALCOMM Incorporated
************************************************************************/
#define FILE_NUM 68
#ifdef TWO
#pragma segment FiltMng
OSErr GetFilterLine(FilterKeywordEnum *key,PStr value,LineIOP lip);
OSErr FilterVerb(PStr s, MatchEnum *mbm);
OSErr FilterConj(PStr s, ConjunctionEnum *cj);
OSErr WriteFilter(short refN,FRPtr fr);
void FUWeed(void);
short FindFilterById(long id);
short FilterCount(Handle hFilters);
extern OSErr FGlobalErr;
/**********************************************************************
* FindFilterById - find which filter has the given id
**********************************************************************/
short FindFilterById(long id)
{
short nf;
for (nf=NFilters-1;nf>=0;nf--)
if (FR[nf].fu.id==id) break;
return(nf);
}
/**********************************************************************
* FUWeed - weed out filter use records for non-existent filters
**********************************************************************/
void FUWeed(void)
{
short nf = NFilters;
FUHandle fuh = GetResource_(FU_TYPE,FU_ID);
FUPtr fup, fuEnd;
OSErr err;
/*
* more use records than filters?
*/
if (fuh && GetHandleSize_(fuh)/sizeof(FilterUse)>nf)
{
HNoPurge_(fuh);
err = fnfErr;
fup = (FUPtr)LDRef(fuh);
fuEnd = fup+GetHandleSize_(fuh)/sizeof(FilterUse);
for (fup=fuEnd;fup>=*fuh;fup--)
{
nf=FindFilterById(fup->id);
/*
* didn't find it
*/
if (nf<0)
{
/* move others down */
if (fuEnd-fup>1) BMD(fup+1,fup,(fuEnd-fup-1)*sizeof(FilterUse));
/* shrink handle */
SetHandleBig_(fuh,GetHandleSize_(fuh)-sizeof(FilterUse));
/* watch the end */
fuEnd--;
/* mark as changed */
ChangedResource((Handle)fuh);
}
}
UL(fuh);
PurgeIfClean(fuh);
}
}
/**********************************************************************
* FilterNewId - get a new id for a filter.
**********************************************************************/
long FilterNewId(void)
{
short f;
long id = 1;
for (f=NFilters;f;)
{
f--;
if (id<=FR[f].fu.id) id = FR[f].fu.id+1;
}
return(id);
}
/**********************************************************************
* GeneratePluginFilters - generate plugin filters
***************************************
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