1 files changed, 144 insertions, 0 deletions
diff --git a/noao/twodspec/apextract/apio.x b/noao/twodspec/apextract/apio.x
new file mode 100644
index 00000000..bfd2c6e6
--- /dev/null
+++ b/noao/twodspec/apextract/apio.x
@@ -0,0 +1,144 @@
+include	<time.h>
+
+# AP_LOG -- Verbose, log, and error output.
+
+procedure ap_log (str, log, verbose, err)
+
+char	str[ARB]	# String
+int	log		# Write to log if logfile defined?
+int	verbose		# Write to stdout if verbose?
+int	err		# Write to stdout?
+
+int	fd, open()
+long	clktime()
+bool	clgetb()
+pointer	sp, logfile, date
+errchk	open
+
+begin
+	call smark (sp)
+	call salloc (logfile, SZ_LINE, TY_CHAR)
+	call salloc (date, SZ_DATE, TY_CHAR)
+	call cnvdate (clktime(0), Memc[date], SZ_DATE)
+
+	if (err == YES || (verbose == YES && clgetb ("verbose"))) {
+	    call printf ("%s: %s\n")
+	        call pargstr (Memc[date])
+	        call pargstr (str)
+	    call flush (STDOUT)
+	}
+
+	if (log == YES) {
+	    call clgstr ("logfile", Memc[logfile], SZ_FNAME)
+	    if (Memc[logfile] != EOS) {
+	        fd = open (Memc[logfile], APPEND, TEXT_FILE)
+	        call fprintf (fd, "%s: %s\n")
+	            call pargstr (Memc[date])
+	            call pargstr (str)
+	        call flush (fd)
+	        call close (fd)
+	    }
+	}
+
+	call sfree (sp)
+end
+
+
+# AP_GOPEN/AP_GCLOSE -- Open and close the graphics device.
+# The device "stdgraph" is used.
+
+procedure ap_gopen (gp)
+
+pointer	gp		# GIO pointer
+pointer	gplast		# Last GIO pointer
+
+int	flag
+pointer	gopen()
+errchk	gopen
+
+data	flag/NO/
+common	/apgio/ gplast
+
+begin
+	if (flag == NO) {
+	    flag = YES
+	    call ap_gclose ()
+	}
+
+	if (gplast == NULL)
+	    gplast = gopen ("stdgraph", NEW_FILE, STDGRAPH)
+
+	gp = gplast
+end
+
+procedure ap_gclose ()
+
+int	flag
+pointer	gplast
+
+data	flag/NO/
+common	/apgio/ gplast
+
+begin
+	if (flag == NO) {
+	    flag = YES
+	    gplast = NULL
+	}
+
+	if (gplast != NULL) {
+	    call gclose (gplast)
+	    gplast = NULL
+	}
+end
+
+
+# AP_POPEN -- Open the plot device or metacode file.  This includes CLIO
+# to get the plot device.
+
+procedure ap_popen (gp, fd, type)
+
+pointer	gp		# GIO pointer
+int	fd		# FIO channel for metacode file
+char	type[ARB]	# Plot type
+
+bool	streq(), strne()
+int	open(), nowhite(), strncmp()
+pointer	sp, str, gopen()
+errchk	gopen, open
+
+begin
+	call smark (sp)
+	call salloc (str, SZ_FNAME, TY_CHAR)
+	call clgstr ("plotfile", Memc[str], SZ_LINE)
+
+	gp = NULL
+	fd = NULL
+	if (nowhite (Memc[str], Memc[str], SZ_FNAME) > 0) {
+	    if (strncmp ("debug", Memc[str], 5) == 0) {
+		if (streq (type, Memc[str+5]) || streq ("all", Memc[str+5])) {
+		    fd = open (Memc[str], APPEND, BINARY_FILE)
+		    gp = gopen ("stdvdm", APPEND, fd)
+		}
+	    } else if (strne ("fits", type)) {
+		fd = open (Memc[str], APPEND, BINARY_FILE)
+		gp = gopen ("stdvdm", APPEND, fd)
+	    }
+	}
+
+	call sfree (sp)
+end
+
+
+# AP_PCLOSE -- Close plot file.
+
+procedure ap_pclose (gp, fd)
+
+pointer	gp		# GIO pointer
+int	fd		# FIO channel for metacode file
+
+begin
+	if (gp != NULL)
+	    call gclose (gp)
+	if (fd != NULL)
+	    call close (fd)
+end