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RasMol2
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Announce,
ChangeLog,
ChangeLog.1,
ChangeLog.2,
ChangeLog.3,
ChangeLog.4,
INSTALL,
Imakefile,
Makefile,
Makefile.bak,
Makefile.in,
Makefile.nt,
Makefile.pc,
PROJECTS,
README,
TODO,
abstree.c,
abstree.h,
applemac.c,
bitmaps.h,
command.c,
command.h,
data,
doc,
font.h,
graphics.h,
molecule.c,
molecule.h,
mswin,
mswin31.c,
outfile.c,
outfile.h,
pixutils.c,
pixutils.h,
rasmac.c,
rasmol.c,
rasmol.h,
rasmol.hlp,
rasmol.sh,
raswin.c,
render.c,
render.h,
script.c,
script.h,
tokens.h,
transfor.c,
transfor.h,
vms,
x11win.c,
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/* abstree.c
* RasMol2 Molecular Graphics
* Roger Sayle, October 1994
* Version 2.5
*/
#include "rasmol.h"
#ifdef IBMPC
#include
#endif
#ifndef sun386
#include
#endif
#include
#include
#include
#include
#define ABSTREE
#include "molecule.h"
#include "abstree.h"
#define ExprPool 16
#define SetPool 4
typedef struct _SymEntry {
struct _SymEntry __far *lft;
struct _SymEntry __far *rgt;
AtomSet __far *defn;
char *ident;
} SymEntry;
static SymEntry __far *SymbolTable;
static SymEntry __far *FreeEntry;
static AtomSet __far *FreeSet;
static Expr *FreeExpr;
static Expr FalseExpr;
static Expr TrueExpr;
/* Macros for commonly used loops */
#define ForEachAtom for(chain=Database->clist;chain;chain=chain->cnext) \
for(group=chain->glist;group;group=group->gnext) \
for(aptr=group->alist;aptr;aptr=aptr->anext)
#define BitAcidic 0x001
#define BitAliphatic 0x002
#define BitAromatic 0x004
#define BitBasic 0x008
#define BitBuried 0x010
#define BitCyclic 0x020
#define BitHydrophobic 0x040
#define BitMedium 0x080
#define BitNeutral 0x100
#define BitSmall 0x200
#define BitCharged 0x009
#define BitNotLarge 0x280
/* Acyclic = !Cyclic */
/* Large = !Medium && !Small */
/* Polar = !Hydrophobic */
/* Surface = !Buried */
static int AminoProp[] = {
/*ALA*/ BitAliphatic | BitBuried | BitHydrophobic | BitNeutral |
BitSmall,
/*GLY*/ BitAliphatic | BitHydrophobic | BitNeutral | BitSmall,
/*LEU*/ BitAliphatic | BitBuried | BitHydrophobic | BitNeutral,
/*SER*/ BitNeutral | BitSmall,
/*VAL*/ BitAliphatic | BitBuried | BitHydrophobic | BitMedium |
BitNeutral,
/*THR*/ BitMedium | BitNeutral,
/*LYS*/ BitBasic,
/*ASP*/ BitAcidic | BitMedium,
/*ILE*/ BitAliphatic | BitBuried | BitHydrophobic | BitNeutral,
/*ASN*/ BitMedium | BitNeutral,
/*GLU*/ BitAcidic,
/*PRO*/ BitCyclic | BitHydrophobic | BitMedium | BitNeutral,
/*ARG*/ BitBasic,
/*PHE*/ BitAromatic | BitBuried | BitCyclic | BitHydrophobic |
BitNeutral,
/*GLN*/ BitNeutral,
/*TYR*/ BitAromatic | BitCyclic | BitNeutral,
/*HIS*/ BitAromatic | BitBasic | BitCyclic | BitNeutral,
/*CYS*/ BitBuried | BitMedium | BitNeutral,
/*MET*/ BitBuried | BitHydrophobic | BitNeutral,
/*TRP*/ BitAromatic | BitBuried | BitCyclic | BitHydrophobic |
BitNeutral,
/*ASX*/ BitMedium | BitNeutral,
/*GLX*/ BitNeutral,
/*PCA*/ BitCyclic | BitHydrophobic | BitMedium | BitNeutral,
/*HYP*/ BitCyclic | BitMedium | BitNeutral
};
static void FatalExprError(ptr)
char *ptr;
{
char buffer[80];
sprintf(buffer,"Expression Error: %s!",ptr);
RasMolFatalExit(buffer);
}
#ifdef FUNCPROTO
/* Function Prototypes */
static AtomSet __far *SetInsert( AtomSet __far*, Atom __far* );
static int IsWithinRadius( AtomSet __far*, Long );
static int IsSetMember( AtomSet __far* );
#endif
static AtomSet __far *SetInsert( ptr, item )
AtomSet __far *ptr; Atom __far *item;
{
register AtomSet __far *temp;
register int i;
if( ptr && (ptr->countdata[ptr->count] = item;
ptr->count++;
return( ptr );
}
if( !FreeSet )
{ temp = (AtomSet __far*)_fmalloc( SetPool*sizeof(AtomSet) );
if( !temp ) FatalExprError("Memory allocation failed");
for( i=1; inext = FreeSet;
FreeSet = temp++;
}
} else
{ temp = FreeSet;
FreeSet = temp->next;
}
temp->data[0] = item;
temp->next = ptr;
temp->count = 1;
return( temp );
}
static int IsWithinRadius( ptr, limit )
AtomSet __far *ptr;
Long limit;
{
register Atom __far *aptr;
register Long dx,dy,dz;
register Long dist;
register int i;
while( ptr )
{ for( i=0; icount; i++ )
{ aptr = ptr->data[i];
dx = QAtom->xorg-aptr->xorg; if( (dist=dx*dx)>limit ) continue;
dy = QAtom->yorg-aptr->yorg; if( (dist+=dy*dy)>limit ) continue;
dz = QAtom->zorg-aptr->zorg; if( (dist+=dz*dz)>limit ) continue;
return( True );
}
ptr = ptr->next;
}
return( False );
}
static int IsSetMember( ptr )
AtomSet __far *ptr;
{
register int i;
while( ptr )
{ for( i=0; icount; i++ )
if( ptr->data[i] == QAtom )
return( True );
ptr = ptr->next;
}
return( False );
}
void DeleteAtomSet( ptr )
AtomSet __far *ptr;
{
register AtomSet __far *temp;
if( (temp = ptr) )
{ while( temp->next )
temp = temp->next;
temp->next = FreeSet;
FreeSet = ptr;
}
}
Expr *AllocateNode()
{
register Expr *ptr;
register int i;
if( !FreeExpr )
{ ptr = (Expr*)malloc( ExprPool*sizeof(Expr) );
if( !ptr ) FatalExprError("Memory allocation failed");
for( i=1; irgt.ptr = FreeExpr;
FreeExpr = ptr++;
}
} else
{ ptr = FreeExpr;
FreeExpr = ptr->rgt.ptr;
}
ptr->rgt.ptr = NULL;
ptr->lft.ptr = NULL;
return( ptr );
}
void DeAllocateExpr( expr )
Expr *expr;
{
if( !expr ) return;
if( (expr == &FalseExpr) ||
(expr == &TrueExpr) )
return;
if( expr->type!=OpWithin )
{ if( !(expr->type&(OpLftProp|OpLftVal)) )
DeAllocateExpr( expr->lft.ptr );
if( !(expr->type&(OpRgtProp|OpRgtVal)) )
DeAllocateExpr( expr->rgt.ptr );
} else DeleteAtomSet( expr->rgt.set );
expr->rgt.ptr = FreeExpr;
FreeExpr = expr;
}
int GetElemNumber( aptr )
Atom __far *aptr;
{
register char *ptr;
register char ch;
ptr = ElemDesc[aptr->refno];
ch = ptr[1];
switch( *ptr )
{ case(' '): switch( ch )
{ case('B'): return( 5 );
case('C'): return( 6 );
case('D'): return( 1 );
case('F'): return( 9 );
case('H'): return( 1 );
case('I'): return( 53 );
case('K'): return( 19 );
case('L'): return( 1 );
case('N'): return( 7 );
case('O'): return( 8 );
case('P'): return( 15 );
case('S'): return( 16 );
case('U'): return( 92 );
case('V'): return( 23 );
case('W'): return( 74 );
case('Y'): return( 39 );
}
break;
case('A'): switch( ch )
{ case('C'): return( 89 );
case('G'): return( 47 );
case('L'): return( 13 );
case('M'): return( 95 );
case('R'): return( 18 );
case('S'): return( 33 );
case('T'): return( 85 );
case('U'): return( 79 );
}
break;
case('B'): switch( ch )
{ case('A'): return( 56 );
case('E'): return( 4 );
case('I'): return( 83 );
case('K'): return( 97 );
case('R'): return( 35 );
}
break;
case('C'): switch( ch )
{ case('A'): return( 20 );
case('D'): return( 48 );
case('E'): return( 58 );
case('F'): return( 98 );
case('L'): return( 17 );
case('M'): return( 96 );
case('O'): return( 27 );
case('R'): return( 24 );
case('S'): return( 55 );
case('U'): return( 29 );
}
break;
case('D'): if( ch=='Y' )
return( 66 );
break;
case('E'): if( ch=='R' )
{ return( 68 );
} else if( ch=='S' )
{ return( 99 );
} else if( ch=='U' )
return( 63 );
break;
case('F'): if( ch=='E' )
{ return( 26 );
} else if( ch=='M' )
{ return( 100 );
} else if( ch=='R' )
return( 87 );
break;
case('G'): if( ch=='A' )
{ return( 31 );
} else if( ch=='D' )
{ return( 64 );
} else if( ch=='E' )
return( 32 );
break;
case('H'): if( ch=='E' )
{ return( 2 );
} else if( ch=='F' )
{ return( 72 );
} else if( ch=='G' )
{ return( 80 );
} else if( ch=='O' )
return( 67 );
break;
case('I'): if( ch=='N' )
{ return( 49 );
} else if( ch=='R' )
return( 77 );
break;
case('K'): if( ch=='R' )
return( 36 );
break;
case('L'): if( ch=='A' )
{ return( 57 );
} else if( ch=='I' )
{ return( 3 );
} else if( (ch=='R') || (ch=='W') )
{ return( 103 );
} else if( ch=='U' )
return( 71 );
break;
case('M'): if( ch=='D' )
{ return( 101 );
} else if( ch=='G' )
{ return( 12 );
} else if( ch=='N' )
{ return( 25 );
} else if( ch=='O' )
return( 42 );
break;
case('N'): switch( ch )
{ case('A'): return( 11 );
case('B'): return( 41 );
case('D'): return( 60 );
case('E'): return( 10 );
case('I'): return( 28 );
case('O'): return( 102 );
case('P'): return( 93 );
}
break;
case('O'): if( ch=='S' )
return( 76 );
break;
case('P'): switch( ch )
{ case('A'): return( 91 );
case('B'): return( 82 );
case('D'): return( 46 );
case('M'): return( 61 );
case('O'): return( 84 );
case('R'): return( 59 );
case('T'): return( 78 );
case('U'): return( 94 );
}
break;
case('R'): switch( ch )
{ case('A'): return( 88 );
case('B'): return( 37 );
case('E'): return( 75 );
case('H'): return( 45 );
case('N'): return( 86 );
case('U'): return( 44 );
}
break;
break;
case('S'): switch( ch )
{ case('B'): return( 51 );
case('C'): return( 21 );
case('E'): return( 34 );
case('I'): return( 14 );
case('M'): return( 62 );
case('N'): return( 50 );
case('R'): return( 38 );
}
break;
case('T'): switch( ch )
{ case('A'): return( 73 );
case('B'): return( 65 );
case('C'): return( 43 );
case('E'): return( 52 );
case('H'): return( 90 );
case('I'): return( 22 );
case('L'): return( 81 );
case('M'): return( 69 );
}
break;
case('X'): if( ch=='E' )
return( 54 );
break;
case('Y'): if( ch=='B' )
return( 70 );
break;
case('Z'): if( ch=='N' )
{ return( 30 );
} else if( ch=='R' )
return( 40 );
break;
}
if( (*ptr>='0') && (*ptr<='9') )
if( (ch=='H') || (ch=='D') )
return( 1 ); /* Hydrogen */
return( 0 );
}
int ElemVDWRadius( elem )
int elem;
{
if( !HasHydrogen )
switch( elem )
{ case( 6 ): return( VDWCarbon );
case( 7 ): return( VDWNitrogen );
case( 8 ): return( VDWOxygen );
case( 16 ): return( VDWSulphur );
}
return( Element[elem].vdwrad );
}
static int EvaluateProperty( prop )
int prop;
{
switch( prop )
{ case( PropIdent ): return( QAtom->serno );
case( PropXCord ): return( (int)QAtom->xorg );
case( PropYCord ): return( (int)QAtom->yorg );
case( PropZCord ): return( (int)QAtom->zorg );
case( PropTemp ): return( QAtom->temp );
case( PropName ): return( QAtom->refno );
case( PropResId ): return( QGroup->serno );
case( PropResName ): return( QGroup->refno );
case( PropChain ): return( QChain->ident );
case( PropSelect ): return( QAtom->flag&SelectFlag );
case( PropElemNo ): return( GetElemNumber(QAtom) );
case( PropRad ): if( QAtom->flag&SphereFlag )
{ return( QAtom->radius );
} else return( 0 );
/* Predicates stored in flags */
case( PredBonded ): return( !(QAtom->flag&NonBondFlag) );
case( PredHydrogen ): return( QAtom->flag&HydrogenFlag );
case( PredHetero ): return( QAtom->flag&HeteroFlag );
case( PredCystine ): return( QGroup->flag&CystineFlag );
case( PredHelix ): return( QGroup->struc&HelixFlag );
case( PredSheet ): return( QGroup->struc&SheetFlag );
case( PredTurn ): return( QGroup->struc&TurnFlag );
/* Residue type predicates */
case( PredDNA ):
case( PredRNA ):
case( PredNucleic ): return( IsNucleo(QGroup->refno) );
case( PredProtein ): return( IsProtein(QGroup->refno) );
case( PredAmino ): return( IsAmino(QGroup->refno) );
case( PredWater ): return( IsWater(QGroup->refno) );
case( PredSolvent ): return( IsSolvent(QGroup->refno) );
case( PredIon ): return( IsIon(QGroup->refno) );
/* General Predicates */
case( PredAlpha ): return( IsAmino(QGroup->refno) &&
IsAlphaCarbon(QAtom->refno) );
case( PredMainChain ): return( (IsAmino(QGroup->refno) &&
IsAminoBackbone(QAtom->refno)) ||
(IsNucleo(QGroup->refno) &&
IsNucleicBackbone(QAtom->refno)) );
case( PredSidechain ): return( IsAmino(QGroup->refno) &&
!IsAminoBackbone(QAtom->refno) );
case( PredLigand ): return( (QAtom->flag&HeteroFlag) &&
!IsSolvent(QGroup->refno) );
/* Nucleic Acid Classifications */
case( PredAT ): return( IsAdenine(QGroup->refno) ||
IsThymine(QGroup->refno) );
case( PredCG ): return( IsCytosine(QGroup->refno) ||
IsGuanine(QGroup->refno) );
case( PredPyrimidine ): return( IsPyrimidine(QGroup->refno) );
case( PredPurine ): return( IsPurine(QGroup->refno) );
/* Amino Acid Classifications */
case( PredAcidic ): return( IsAmino(QGroup->refno) &&
AminoProp[QGroup->refno]&BitAcidic );
case( PredAcyclic ): return( IsAmino(QGroup->refno) &&
!(AminoProp[QGroup->refno]&BitCyclic) );
case( PredAliphatic ): return( IsAmino(QGroup->refno) &&
AminoProp[QGroup->refno]&BitAliphatic );
case( PredAromatic ): return( IsAmino(QGroup->refno) &&
AminoProp[QGroup->refno]&BitAromatic );
case( PredBasic ): return( IsAmino(QGroup->refno) &&
AminoProp[QGroup->refno]&BitBasic );
case( PredBuried ): return( IsAmino(QGroup->refno) &&
AminoProp[QGroup->refno]&BitBuried );
case( PredCharged ): return( IsAmino(QGroup->refno) &&
AminoProp[QGroup->refno]&BitCharged );
case( PredCyclic ): return( IsAmino(QGroup->refno) &&
AminoProp[QGroup->refno]&BitCyclic );
case( PredHydrophobic ): return( IsAmino(QGroup->refno) &&
AminoProp[QGroup->refno]&BitHydrophobic );
case( PredLarge ): return( IsAmino(QGroup->refno) &&
!(AminoProp[QGroup->refno]&BitNotLarge) );
case( PredMedium ): return( IsAmino(QGroup->refno) &&
AminoProp[QGroup->refno]&BitMedium );
case( PredNeutral ): return( IsAmino(QGroup->refno) &&
AminoProp[QGroup->refno]&BitNeutral );
case( PredPolar ): return( IsAmino(QGroup->refno) &&
!(AminoProp[QGroup->refno]&BitHydrophobic) );
case( PredSmall ): return( IsAmino(QGroup->refno) &&
AminoProp[QGroup->refno]&BitSmall );
case( PredSurface ): return( IsAmino(QGroup->refno) &&
!(AminoProp[QGroup->refno]&BitBuried) );
}
return( True );
}
int EvaluateExpr( expr )
Expr *expr;
{
register int lft, rgt;
if( !expr )
return( True );
if( expr->type==OpWithin )
{ if( expr->lft.limit )
{ return( IsWithinRadius(expr->rgt.set,expr->lft.limit) );
} else return( IsSetMember(expr->rgt.set) );
} else if( expr->type==OpMember )
return( IsSetMember(expr->rgt.set) );
if( expr->type & OpLftVal )
{ lft = expr->lft.val;
} else if( expr->type & OpLftProp )
{ lft = EvaluateProperty( expr->lft.val );
} else lft = EvaluateExpr( expr->lft.ptr );
if( OpCode(expr)==OpConst ) return( lft );
if( (OpCode(expr)==OpAnd) && !lft ) return( False );
if( (OpCode(expr)==OpOr) && lft ) return( True );
if( OpCode(expr)==OpNot ) return( !lft );
if( expr->type & OpRgtVal )
{ rgt = expr->rgt.val;
} else if( expr->type & OpRgtProp )
{ rgt = EvaluateProperty( expr->rgt.val );
} else rgt = EvaluateExpr( expr->rgt.ptr );
switch( OpCode(expr) )
{ case(OpOr):
case(OpAnd): return( rgt );
case(OpLess): return( lftrgt );
case(OpEqual): return( lft==rgt );
case(OpNotEq): return( lft!=rgt );
case(OpLessEq): return( lft<=rgt );
case(OpMoreEq): return( lft>=rgt );
}
return( True );
}
AtomSet __far *BuildAtomSet( expr )
Expr *expr;
{
register AtomSet __far *ptr;
ptr = (AtomSet __far*)0;
if( Database )
for( QChain=Database->clist; QChain; QChain=QChain->cnext )
for( QGroup=QChain->glist; QGroup; QGroup=QGroup->gnext )
for( QAtom=QGroup->alist; QAtom; QAtom=QAtom->anext )
if( EvaluateExpr(expr) )
ptr = SetInsert( ptr, QAtom );
return( ptr );
}
int DefineSetExpr( ident, expr )
char *ident; Expr *expr;
{
register SymEntry __far * __far *prev;
register SymEntry __far *ptr;
register AtomSet __far *set;
register int result;
result = True;
prev = &SymbolTable;
while( (ptr = *prev) )
{ result = strcmp(ident,ptr->ident);
if( !result ) break; /* Entry Exists! */
prev = (result<0)? &(ptr->lft) : &(ptr->rgt);
}
if( result )
{ if( FreeEntry )
{ ptr = FreeEntry;
FreeEntry = ptr->rgt;
} else /* Allocate SymEntry! */
if( !(ptr = (SymEntry __far*)_fmalloc(sizeof(SymEntry))) )
return( False );
*prev = ptr;
ptr->ident = ident;
ptr->defn = (void __far*)0;
ptr->lft = (void __far*)0;
ptr->rgt = (void __far*)0;
} else free(ident);
if( expr )
{ set = BuildAtomSet(expr);
if( ptr->defn )
DeleteAtomSet(ptr->defn);
DeAllocateExpr(expr);
ptr->defn = set;
} else ptr->defn = (void __far*)0;
return( True );
}
Expr *LookUpSetExpr( ident )
char *ident;
{
register SymEntry __far *ptr;
register Expr *expr;
register int result;
result = True;
ptr = SymbolTable;
while( ptr )
{ result = strcmp(ident,ptr->ident);
if( !result ) break; /* Entry Exists! */
ptr = (result<0)? ptr->lft : ptr->rgt;
}
if( !result )
{ expr = AllocateNode();
expr->type = OpMember;
expr->rgt.set = ptr->defn;
} else expr = (Expr*)0;
return( expr );
}
static int ElemCompare( ident, elem )
char *ident, *elem;
{
while( *elem )
if( *elem++ != *ident++ )
return( False );
/* Handle Plurals */
if( (ident[0]=='S') && !ident[1] )
return( (elem[-1]!='S') && (elem[-1]!='Y') );
return( !*ident );
}
Expr *LookUpElement( ident )
char *ident;
{
register Expr *expr;
register int elem;
for( elem=1; elemtype = OpEqual|OpLftProp|OpRgtVal;
expr->lft.val = PropElemNo;
expr->rgt.val = elem;
} else expr = (Expr*)0;
return( expr );
}
static int MatchWildName( src, dst, size, len )
char *src, *dst; int size, len;
{
register int i, left;
left = size;
while( *dst==' ' )
{ dst++; left--;
}
for( i=0; itype = OpEqual | OpLftProp | OpRgtVal;
tmp1->lft.val = PropResName;
tmp1->rgt.val = j;
tmp2 = AllocateNode();
tmp2->type = OpOr;
tmp2->lft.ptr = tmp1;
tmp2->rgt.ptr = wild;
wild = tmp2;
}
QueryExpr = wild;
} else ch = *ptr++;
if( ch != '*' )
{ if( ch == '-' )
{ ch = *ptr++;
neg = True;
} else neg = False;
if( isdigit(ch) )
{ i = ch-'0';
while( isdigit(*ptr) )
i = 10*i + (*ptr++)-'0';
tmp1 = AllocateNode();
tmp1->type = OpEqual | OpLftProp | OpRgtVal;
tmp1->rgt.val = neg? -i : i;
tmp1->lft.val = PropResId;
if( QueryExpr != &TrueExpr )
{ tmp2 = AllocateNode();
tmp2->type = OpAnd;
tmp2->rgt.ptr = QueryExpr;
tmp2->lft.ptr = tmp1;
QueryExpr = tmp2;
} else QueryExpr = tmp1;
ch = *ptr++;
} else if( neg )
return( False );
} else ch = *ptr++;
if( ch==':' )
ch = *ptr++;
if( isalnum(ch) )
{ ch = ToUpper(ch);
tmp1 = AllocateNode();
tmp1->type = OpEqual | OpLftProp | OpRgtVal;
tmp1->lft.val = PropChain;
tmp1->rgt.val = ch;
if( QueryExpr != &TrueExpr )
{ tmp2 = AllocateNode();
tmp2->type = OpAnd;
tmp2->rgt.ptr = QueryExpr;
tmp2->lft.ptr = tmp1;
QueryExpr = tmp2;
} else QueryExpr = tmp1;
ch = *ptr++;
} else if( (ch=='?') || (ch=='%') || (ch=='*') )
ch = *ptr++;
if( ch == '.' )
{ ch = *ptr++;
if( ch!='*' )
{ for( i=0; i<4; i++ )
if( isalnum(ch) || ch=='\'' || ch=='*' )
{ NameBuf[i] = ToUpper(ch);
ch = *ptr++;
} else if( (ch=='?') || (ch=='%') || (ch=='#') )
{ NameBuf[i] = '?';
ch = *ptr++;
} else break;
if( !i ) return( False );
wild = &FalseExpr;
for( j=0; jtype = OpEqual | OpLftProp | OpRgtVal;
tmp1->lft.val = PropName;
tmp1->rgt.val = j;
tmp2 = AllocateNode();
tmp2->type = OpOr;
tmp2->lft.ptr = tmp1;
tmp2->rgt.ptr = wild;
wild = tmp2;
}
if( (QueryExpr == &TrueExpr) || (wild == &FalseExpr) )
{ DeAllocateExpr(QueryExpr);
QueryExpr=wild;
} else
{ tmp1 = AllocateNode();
tmp1->type = OpAnd;
tmp1->lft.ptr = QueryExpr;
tmp1->rgt.ptr = wild;
QueryExpr = tmp1;
}
} else ch = *ptr++;
}
*orig = --ptr;
return( !ch || isspace(ch) || ispunct(ch) );
}
static char *FormatInteger( ptr, value )
char *ptr; int value;
{
auto char buffer[10];
register char *tmp;
if( value<0 )
{ value = -value;
*ptr++ = '-';
}
if( value>9 )
{ tmp = buffer;
while( value>9 )
{ *tmp++ = (value%10) + '0';
value /= 10;
}
*ptr++ = value + '0';
do { tmp--;
*ptr++ = *tmp;
} while( tmp != buffer );
} else *ptr++ = value + '0';
return( ptr );
}
void FormatLabel( chain, group, aptr, label, ptr )
Chain __far *chain;
Group __far *group;
Atom __far *aptr;
char *label, *ptr;
{
register char ch;
register int i,j;
while( ch = *label++ )
if( ch=='%' )
{ ch = *label++;
if( isupper(ch) )
ch = tolower(ch);
switch( ch )
{ case('a'): /* Atom Name */
i = aptr->refno;
for( j=0; j<4; j++ )
if( ElemDesc[i][j]!=' ' )
*ptr++ = ElemDesc[i][j];
break;
case('b'): /* Temperature/B-factor */
case('t'): ptr = FormatInteger(ptr,aptr->temp);
break;
case('c'): /* Chain Identifier */
case('s'): *ptr++ = chain->ident;
break;
case('e'): /* Element Type */
i = GetElemNumber(aptr);
*ptr++ = Element[i].symbol[0];
if( Element[i].symbol[1]!=' ' )
*ptr++ = Element[i].symbol[1];
break;
case('i'): /* Atom Number */
ptr = FormatInteger(ptr,aptr->serno);
break;
case('n'): /* Residue Name */
i = group->refno;
for( j=0; j<3; j++ )
if( Residue[i][j]!=' ' )
*ptr++ = Residue[i][j];
break;
case('r'): /* Residue Number */
ptr = FormatInteger(ptr,group->serno);
break;
case('%'): *ptr++ = '%';
break;
}
} else if( (ch>=' ') && (ch<='~') )
*ptr++ = ch;
*ptr = '\0';
}
#ifdef FUNCPROTO
/* Function Prototypes */
static void DeleteSymEntry( SymEntry __far* );
#endif
static void DeleteSymEntry( ptr )
SymEntry __far *ptr;
{
if( ptr->lft )
DeleteSymEntry( ptr->lft );
if( ptr->rgt )
DeleteSymEntry( ptr->rgt );
if( ptr->defn )
DeleteAtomSet( ptr->defn );
free( ptr->ident );
ptr->rgt = FreeEntry;
FreeEntry = ptr;
}
void ResetSymbolTable()
{
if( SymbolTable )
{ DeleteSymEntry(SymbolTable);
SymbolTable = (void __far*)0;
}
}
void InitialiseAbstree()
{
FalseExpr.type = OpConst | OpLftVal | OpRgtVal;
FalseExpr.rgt.val = FalseExpr.lft.val = 0;
TrueExpr.type = OpConst | OpLftVal | OpRgtVal;
TrueExpr.rgt.val = TrueExpr.lft.val = 1;
QChain = (void __far*)0;
QGroup = (void __far*)0;
QAtom = (void __far*)0;
SymbolTable = (void __far*)0;
FreeEntry = (void __far*)0;
FreeSet = (void __far*)0;
FreeExpr = NULL;
}
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