include <error.h>
include "../lib/apphot.h"

# AP_APCOLON -- Process colon commands for setting the top level apphot package
# parameters.

procedure ap_apcolon (ap, im, cl, out, stid, ltid, cmdstr, newimage,
	newcenterbuf, newcenter, newskybuf, newsky, newbuf, newfit)

pointer	ap			# pointer to the apphot structure
pointer	im			# pointer to the iraf image
int	cl			# coordinate file descriptor
int	out			# output file descriptor
int	stid			# output file sequence number
int	ltid			# coordinate file sequence number
char	cmdstr[ARB]		# command string
int	newimage		# new image ?
int	newcenterbuf, newcenter	# new centering parameters ?
int	newskybuf, newsky	# new sky fitting parameters ?
int	newbuf, newfit		# new photometry parameters ?

bool	bval
int	ncmd, ip
pointer	sp, cmd, str
real	rval

bool	streq(), itob()
int	strdic(), nscan(), btoi(), apstati(), ctowrd(), open()
pointer	immap()
real	apstatr()
errchk	immmap, open

begin
	# Allocate working space.
	call smark (sp)
	call salloc (cmd, SZ_LINE, TY_CHAR)
	call salloc (str, SZ_LINE, TY_CHAR)

	# Get the command.
	ip = 1
	call sscan (cmdstr)
	call gargwrd (Memc[cmd], SZ_LINE)
	if (Memc[cmd] == EOS) {
	    call sfree (sp)
	    return
	}

	# Process the command.
	ncmd = strdic (Memc[cmd], Memc[cmd], SZ_LINE, APCMDS)
	switch (ncmd) {

	case APCMD_FWHMPSF:
	    call gargr (rval)
	    if (nscan() == 1) {
		call printf ("%s = %g %s\n")
		    call pargstr (KY_FWHMPSF)
		    call pargr (apstatr (ap, FWHMPSF))
		    call pargstr (UN_ASCALEUNIT)
	    } else {
		call apsetr (ap, FWHMPSF, rval)
		if (stid > 1)
		    call ap_rparam (out, KY_FWHMPSF, rval, UN_ASCALEUNIT,
			"full width half max of psf")
		newcenterbuf = YES; newcenter = YES
		newskybuf = YES; newsky = YES
		newbuf = YES; newfit = YES
	    }

	case APCMD_SCALE:
	    call gargr (rval)
	    if (nscan () == 1) {
		call printf ("%s = %g %s\n")
		    call pargstr (KY_SCALE)
		    call pargr (1.0 / apstatr (ap, SCALE))
		    call pargstr (UN_AUNITS)
	    } else if (rval > 0.0) {
		call apsetr (ap, SCALE, (1.0 / rval))
		if (stid > 1)
		    call ap_rparam (out, KY_SCALE, (1.0 / rval), UN_AUNITS,
			"scale in units / pixel")
		newcenterbuf = YES; newcenter = YES
		newskybuf = YES; newsky = YES
		newbuf = YES; newfit = YES
	    }

	case APCMD_EMISSION:
	    call gargb (bval)
	    if (nscan() == 1) {
		call printf ("%s = %b\n")
		    call pargstr (KY_POSITIVE)
		    call pargb (itob (apstati (ap, POSITIVE)))
	    } else {
		call apseti (ap, POSITIVE, btoi (bval))
		if (stid > 1)
		    call ap_bparam (out, KY_POSITIVE, bval, UN_ASWITCH,
			"emission feature")
		newcenterbuf = YES; newcenter = YES
		newskybuf = YES; newsky = YES
		newbuf = YES; newfit = YES
	    }

	case APCMD_FILTER:
	    call gargstr (Memc[cmd], SZ_LINE)
	    if (Memc[cmd] == EOS) {
		call apstats (ap, FILTER, Memc[str], SZ_LINE)
		call printf ("%s = %s\n")
		    call pargstr (KY_FILTER)
		    call pargstr (Memc[str])
	    } else {
	        if (ctowrd (Memc[cmd], ip, Memc[str], SZ_LINE) <= 0)
		    Memc[str] = EOS
		call apsets (ap, FILTER, Memc[str])
		if (im != NULL)
		    call ap_filter (im, ap)
		if (stid > 1)
		    call ap_sparam  (out, KY_FILTER, Memc[str], UN_AKEYWORD,
			"filter keyword")
	    }

	case APCMD_FILTERID:
	    call gargstr (Memc[cmd], SZ_LINE)
	    if (Memc[cmd] == EOS) {
		call apstats (ap, FILTERID, Memc[str], SZ_LINE)
		call printf ("%s = %s\n")
		    call pargstr (KY_FILTERID)
		    call pargstr (Memc[str])
	    } else {
	        if (ctowrd (Memc[cmd], ip, Memc[str], SZ_LINE) <= 0)
		    Memc[str] = EOS
		call apsets (ap, FILTERID, Memc[str])
	    }

	case APCMD_OBSTIME:
	    call gargstr (Memc[cmd], SZ_LINE)
	    if (Memc[cmd] == EOS) {
		call apstats (ap, OBSTIME, Memc[str], SZ_LINE)
		call printf ("%s = %s\n")
		    call pargstr (KY_OBSTIME)
		    call pargstr (Memc[str])
	    } else {
	        if (ctowrd (Memc[cmd], ip, Memc[str], SZ_LINE) <= 0)
		    Memc[str] = EOS
		call apsets (ap, OBSTIME, Memc[str])
		if (im != NULL)
		    call ap_otime (im, ap)
		if (stid > 1)
		    call ap_sparam  (out, KY_OBSTIME, Memc[str], UN_AKEYWORD,
			"obstime keyword")
	    }

	case APCMD_OTIME:
	    call gargstr (Memc[cmd], SZ_LINE)
	    if (Memc[cmd] == EOS) {
		call apstats (ap, OTIME, Memc[str], SZ_LINE)
		call printf ("%s = %s %s\n")
		    call pargstr (KY_OTIME)
		    call pargstr (Memc[str])
		    call pargstr (UN_ATIMEUNIT)
	    } else {
	        if (ctowrd (Memc[cmd], ip, Memc[str], SZ_LINE) <= 0)
		    Memc[str] = EOS
		call apsets (ap, OTIME, Memc[str])
	    }

	case APCMD_AIRMASS:
	    call gargstr (Memc[cmd], SZ_LINE)
	    if (Memc[cmd] == EOS) {
		call apstats (ap, AIRMASS, Memc[str], SZ_LINE)
		call printf ("%s = %s\n")
		    call pargstr (KY_AIRMASS)
		    call pargstr (Memc[str])
	    } else {
	        if (ctowrd (Memc[cmd], ip, Memc[str], SZ_LINE) <= 0)
		    Memc[str] = EOS
		call apsets (ap, AIRMASS, Memc[str])
		if (im != NULL)
		    call ap_airmass (im, ap)
		if (stid > 1)
		    call ap_sparam  (out, KY_AIRMASS, Memc[str], UN_AKEYWORD,
			"airmass keyword")
	    }

	case APCMD_XAIRMASS:
	    call gargr (rval)
	    if (nscan() == 1) {
		call printf ("%s = %g %s\n")
		    call pargstr (KY_XAIRMASS)
		    call pargr (apstatr (ap, XAIRMASS))
		    call pargstr (UN_ANUMBER)
	    } else {
		call apsetr (ap, XAIRMASS, rval)
		#if (stid > 1)
		    #call ap_rparam (out, KY_XAIRMASS, rval, UN_ANUMBER,
			#"airmass")
	    }

	case APCMD_EXPOSURE:
	    call gargstr (Memc[cmd], SZ_LINE)
	    if (Memc[cmd] == EOS) {
		call apstats (ap, EXPOSURE, Memc[str], SZ_LINE)
		call printf ("%s = %s\n")
		    call pargstr (KY_EXPOSURE)
		    call pargstr (Memc[str])
	    } else {
	        if (ctowrd (Memc[cmd], ip, Memc[str], SZ_LINE) <= 0)
		    Memc[str] = EOS
		call apsets (ap, EXPOSURE, Memc[str])
		if (im != NULL)
		    call ap_itime (im, ap)
		if (stid > 1)
		    call ap_sparam  (out, KY_EXPOSURE, Memc[str], UN_AKEYWORD,
			"exposure time keyword")
		newfit = YES
	    }

	case APCMD_ITIME:
	    call gargr (rval)
	    if (nscan() == 1) {
		call printf ("%s = %g %s\n")
		    call pargstr (KY_ITIME)
		    call pargr (apstatr (ap, ITIME))
		    call pargstr (UN_ATIMEUNIT)
	    } else {
		call apsetr (ap, ITIME, rval)
		#if (stid > 1)
		    #call ap_rparam (out, KY_ITIME, rval, UN_ATIMEUNIT,
			#"exposure time")
		newfit = YES
	    }

	case APCMD_DATAMIN:
	    call gargr (rval)
	    if (nscan() == 1) {
		call printf ("%s = %g %s\n")
		    call pargstr (KY_DATAMIN)
		    call pargr (apstatr (ap, DATAMIN))
		    call pargstr (UN_ACOUNTS)
	    } else {
		call apsetr (ap, DATAMIN, rval)
		if (stid > 1)
		    call ap_rparam (out, KY_DATAMIN, rval, UN_ACOUNTS,
			"minimim good data value")
		newcenterbuf = YES; newcenter = YES
		newskybuf = YES; newsky = YES
		newbuf = YES; newfit = YES
	    }

	case APCMD_DATAMAX:
	    call gargr (rval)
	    if (nscan() == 1) {
		call printf ("%s = %g %s\n")
		    call pargstr (KY_DATAMAX)
		    call pargr (apstatr (ap, DATAMAX))
		    call pargstr (UN_ACOUNTS)
	    } else {
		call apsetr (ap, DATAMAX, rval)
		if (stid > 1)
		    call ap_rparam (out, KY_DATAMAX, rval, UN_ACOUNTS,
			"maximum good data value")
		newcenterbuf = YES; newcenter = YES
		newskybuf = YES; newsky = YES
		newbuf = YES; newfit = YES
	    }

	case APCMD_IMAGE:
	    call gargwrd (Memc[cmd], SZ_LINE)
	    call apstats (ap, IMNAME, Memc[str], SZ_FNAME)
	    if (Memc[cmd] == EOS || streq (memc[cmd], Memc[str])) {
		call printf ("%s: %s\n")
		    call pargstr (KY_IMNAME)
		    call pargstr (Memc[str])
	    } else {
		if (im != NULL) {
		    call imunmap (im)
		    im = NULL
		}
		iferr {
		    im = immap (Memc[cmd], READ_ONLY, 0)
		} then {
		    call erract (EA_WARN)
		    im = immap (Memc[str], READ_ONLY, 0)
		} else {
		    call apimkeys (ap, im, Memc[cmd])
		    newimage = YES
		    newcenterbuf = YES; newcenter = YES
		    newskybuf = YES; newsky = YES
		    newbuf = YES; newfit = YES
		}
	    }

	case APCMD_COORDS:
	    call gargwrd (Memc[cmd], SZ_LINE)
	    call apstats (ap, CLNAME, Memc[str], SZ_FNAME)
	    if (Memc[cmd] == EOS || streq (Memc[cmd], Memc[str])) {
		call printf ("%s:  %s\n")
		    call pargstr (KY_CLNAME)
		    call pargstr (Memc[str])
	    } else {
		if (cl != NULL) {
		    call close( cl)
		    cl = NULL
		}
		iferr {
		    cl = open (Memc[cmd], READ_ONLY, TEXT_FILE)
		} then {
		    cl = NULL
		    call erract (EA_WARN)
		    call apsets (ap, CLNAME, "")
		    call apsets (ap, CLROOT, "")
		    call printf ("Coordinate file is undefined.\n")
		} else {
		    call apsets (ap, CLNAME, Memc[cmd])
		    call apfroot (Memc[cmd], Memc[str], SZ_FNAME)
		    call apsets (ap, CLROOT, Memc[str])
		    ltid = 0
		}
	    }

	case APCMD_OUTPUT:
	    call gargwrd (Memc[cmd], SZ_LINE)
	    call apstats (ap, OUTNAME, Memc[str], SZ_FNAME)
	    if (Memc[cmd] == EOS || streq (Memc[cmd], Memc[str])) {
		call printf ("%s:  %s\n")
		    call pargstr (KY_OUTNAME)
		    call pargstr (Memc[str])
	    } else {
		if (out != NULL) {
		    call close (out)
		    out = NULL
		    if (stid <= 1)
		        call delete (Memc[str])
		}
		iferr {
		    out = open (Memc[cmd], NEW_FILE, TEXT_FILE)
		} then {
		    call erract (EA_WARN)
		    call printf ("Reopening output file: %s\n")
			call pargstr (Memc[str])
		    if (Memc[str] != EOS)
		        out  = open (Memc[str], APPEND, TEXT_FILE)
		    else
			out = NULL
		} else {
		    call apsets (ap, OUTNAME, Memc[cmd])
		    stid = 1
		}
	    }
	default:
	    call printf ("Unknown or ambiguous colon command\7\n")
	}

	call sfree (sp)
end