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/* Copyright (C) 2000-2003 Damir Zucic */
/*=============================================================================
full_select.c
Purpose:
Execute select command: select the specified atoms in all caught
macromolecular complexes. In this function, the selection cryteria
should be precise (three slashes expected). Three selections modes
are available: 0 = overwrite, 1 = restrict, 2 = expand previous
selection. If this function failes to interpret the selection
string, it will leave the job to other functions.
Input:
(1) Pointer to MolComplexS structure, with macromol. complexes.
(2) Number of macromolecular complexes.
(3) The selection string.
(4) Selection mode index (0 = overwr., 1 = restrict, 2 = expand).
Output:
(1) The flag selectedF will be equal to one for selected atoms and
equal to zero for all other atoms.
(2) Return value.
Return value:
(1) The number of selected atoms, if selection is done in this
function.
(2) -1 if selection string is not suitable for this function.
(3) Some other negative value on failure.
Notes:
(1) This function will not handle the selection string if this
string does not contain three slashes.
========includes:============================================================*/
#include <stdio.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xos.h>
#include <X11/Xatom.h>
#include "defines.h"
#include "typedefs.h"
/*======function prototypes:=================================================*/
int Include_ (SelectS *, char *);
int Exclude_ (SelectS *, char *);
long ApplySelection_ (MolComplexS *, int,
SelectS *, SelectS *, int);
/*======execute select command (full selection string):======================*/
long FullSelect_ (MolComplexS *mol_complexSP, int mol_complexesN,
char *stringP, int selection_modeI)
{
long selected_atomsN;
char *P;
int n;
int slashesN = 0;
SelectS include_selectS, exclude_selectS;
/* Count slashes: */
P = stringP;
while ((n = *P++) != '\0') if (n == '/') slashesN++;
if (slashesN != 3) return (long) -1;
/* Identify chains, residue ranges, residue */
/* names and atoms which have to be included: */
if (Include_ (&include_selectS, stringP) < 0) return (long) -2;
/* Identify chains, residue ranges, residue */
/* names and atoms which have to be excluded: */
if (Exclude_ (&exclude_selectS, stringP) < 0) return (long) -3;
/* Do the selection: */
selected_atomsN = ApplySelection_ (mol_complexSP, mol_complexesN,
&include_selectS, &exclude_selectS,
selection_modeI);
/* Return the number of selected atoms: */
return selected_atomsN;
}
/*===========================================================================*/
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