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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <syserr.h>
include <ctype.h>
include <imhdr.h>
include <imio.h>
include "idbc.h"
define LEN_HISTSTR 71 # length of a history string on a FITS card
define CLEN 81
# IMPUTXTF -- Insert a text file in the user area with HISTORY card.
# The file cannot have control characters in it; only the FITS standard
# character set is supported. The text is broken in records long enough
# to fit words; i.e. it tries not to split words. The file can have
# imbedded tabs and they will be expanded.
procedure imputextf (im, file, pkey, baf)
pointer im #I image descriptor
char file[ARB] #I the text file to be inserted and appended
char pkey[ARB] #I Pivot keyword to insert 'key'
int baf #I Insert BEFORE or AFTER
pointer ua, rp, piv, ip, op
int max_lenuserarea, curlen, buflen, jump, nlines
int old_curlen, k, nshift
char blk
int strlen(), idb_findrecord()
errchk syserrs
begin
# FITS format requires that the keyword name be upper case.
ua = IM_USERAREA(im)
curlen = strlen (Memc[ua])
buflen = LEN_IMDES + IM_LENHDRMEM(im)
max_lenuserarea = (buflen - IMU) * SZ_STRUCT - 1
# Determine the number of lines before inserting into the UA
call imrartxt (ua, file, nlines, NO)
old_curlen=curlen
curlen = curlen + nlines*CLEN
if (curlen+81 >= max_lenuserarea) {
IM_HDRLEN(im) = LEN_IMHDR +
(curlen + 10*36*CLEN + SZ_STRUCT-1) / SZ_STRUCT
IM_LENHDRMEM(im) = IM_HDRLEN(im) + (SZ_UAPAD / SZ_STRUCT)
call realloc (im, IM_LENHDRMEM(im) + LEN_IMDES, TY_STRUCT)
buflen = LEN_IMDES + IM_LENHDRMEM(im)
max_lenuserarea = (buflen - IMU) * SZ_STRUCT - 1
ua = IM_USERAREA(im)
}
blk=' '
# Find pivot keyword
if (idb_findrecord (im, pkey, rp) == 0) {
# Keyw not found. Append the new keywords.
piv = ua + old_curlen
} else {
# Shift cards after or before pivot.
if (baf == AFTER)
piv = rp + CLEN
else
piv = rp
jump=nlines*CLEN
# Shift cards down from the pivot point.
nshift = (ua+old_curlen - piv)/CLEN
ip = ua + old_curlen
do k = 1, nshift {
ip = ip - CLEN
op = jump + ip
call amovc (Memc[ip], Memc[op], CLEN)
}
}
# Append the HISTORY records to the user area.
call imrartxt (piv, file, nlines, YES)
end
# IMRARTXT -- Internal routines to count the number of lines transfered to the
# UA as HISTORY records.
procedure imrartxt (piv, fname, nlines, insert)
pointer piv #I UA address to start inserting kw
char fname[ARB]
int nlines
int insert
char line[IDB_RECLEN+1], blk, lf
pointer sp, ln, buf, urp
int ip, op, fd, in_last_blank, out_last_blank, blen, len, w, k
int save_ip
int open(), getline(), strlen()
begin
call smark(sp)
call salloc (ln, SZ_LINE, TY_CHAR)
call salloc (buf, SZ_LINE, TY_CHAR)
fd = open(fname, READ_ONLY, TEXT_FILE)
nlines= 0
blk=' '
lf='\12'
call strcpy ("HISTORY ", Memc[buf], 9)
Memc[buf+IDB_LENSTRINGRECORD]='\n'
Memc[buf+IDB_LENSTRINGRECORD+1]=EOS
urp = piv
while(getline(fd, Memc[ln]) != EOF) {
for (ip=1; Memc[ln+ip-1] != EOS; ) {
# If no blanks are found in HISTORY string, make sure
# all of it gets output anyway.
in_last_blank = ip + LEN_HISTSTR - 1
out_last_blank = LEN_HISTSTR
# Copy the string to the output buffer, marking the
# last blank found.
for (op=1; op <= LEN_HISTSTR; op=op+1) {
if (Memc[ln+ip-1] == lf) {
ip=ip+1
}
if (IS_WHITE (Memc[ln+ip-1])) {
# Detab input text.
if (Memc[ln+ip-1] == '\t') {
if(ip-save_ip == 1)
w=8
else
w=9-op+(op/9)*8
for(k=0;k<w;k=k+1) {
line[op+k] = blk
}
save_ip=ip
op = op + w - 1
ip = ip + 1
in_last_blank = ip
out_last_blank = op
next
}
in_last_blank = ip
out_last_blank = op
} else if (Memc[ln+ip-1] == EOS)
break
line[op] = Memc[ln+ip-1]
ip = ip + 1
}
# The output string is full; close it off properly
# and get ready for the next round (if any).
line[op] = EOS
if (Memc[ln+ip-1] != EOS) {
# Break at last word boundary if in a word.
if (!IS_WHITE (Memc[ln+ip-1])) {
line[out_last_blank+1] = EOS
ip = in_last_blank + 1
}
# Skip leading whitespace on next line.
while (IS_WHITE(Memc[ln+ip-1]))
ip = ip + 1
}
nlines = nlines + 1
if (insert == YES) {
# Write out the FITS HISTORY card.
len = strlen(line)
blen = IDB_LENSTRINGRECORD - len - 9
call amovc (line, Memc[buf+9], len)
call amovkc (blk, Memc[buf+9+len], blen)
call amovc (Memc[buf], Memc[urp], IDB_RECLEN+1)
urp = urp + IDB_RECLEN + 1
}
}
}
call close(fd)
call sfree(sp)
end
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