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include <error.h>
include <imhdr.h>
# T_MKGLBHDR -- Make a global header from common image and reference keywords.
procedure t_mkglbhdr ()
pointer input # Input image list
char oname[SZ_FNAME] # Output global image
char rname[SZ_FNAME] # Reference image
pointer exclude # Exclusion keyword list
int i
char iname[SZ_FNAME], key[8]
pointer im, refim, recs, ptr, ptr1
bool matchcard()
int clpopnu(), clgfil(), imtgetim(), strncmp(), nowhite()
pointer imtopenp(), immap()
errchk immap
begin
# Get parameters.
input = imtopenp ("input")
call clgstr ("output", oname, SZ_FNAME)
call clgstr ("reference", rname, SZ_FNAME)
exclude = clpopnu ("exclude")
# Use the first image in the input list if no reference is specified.
if (nowhite (rname, rname, SZ_FNAME) == 0)
i = imtgetim (input, rname, SZ_FNAME)
iferr {
im = NULL; refim = NULL; recs = NULL
# Make list of reference cards.
ptr = immap (rname, READ_ONLY, 0); refim = ptr
ptr = IM_USERAREA(refim)
do i = 0, ARB {
if (Memc[ptr] == EOS)
break
if (i == 0)
call malloc (recs, 1000, TY_POINTER)
else if (mod (i, 1000) == 0)
call realloc (recs, i+1000, TY_POINTER)
#Memc[ptr+80] = EOS
Memi[recs+i] = ptr
ptr = ptr + 81
}
Memi[recs+i] = EOF
# Exclude specified keywords.
while (clgfil (exclude, iname, SZ_FNAME) != EOF) {
call sprintf (key, 8, "%-8.8s")
call pargstr (iname)
call strupr (key)
for (i=0; Memi[recs+i]!=EOF; i=i+1) {
ptr = Memi[recs+i]
if (ptr == NULL)
next
if (Memc[ptr] == ' ')
next
if (strncmp (key, Memc[ptr], 8) == 0)
Memi[recs+i] = NULL
}
}
# Loop through input images eliminating reference cards.
while (imtgetim (input, iname, SZ_FNAME) != EOF) {
ptr = immap (iname, READ_ONLY, 0); im = ptr
ptr = IM_USERAREA(im)
for (i=0; Memi[recs+i]!=EOF; i=i+1) {
ptr = Memi[recs+i]
if (ptr == NULL)
next
if (Memc[ptr] == ' ')
next
if (!matchcard (Memc[IM_USERAREA(im)], Memc[ptr]))
Memi[recs+i] = NULL
}
call imunmap (im)
}
# Eliminate multiple blank lines.
for (i=0; Memi[recs+i]!=EOF; i=i+1) {
ptr1 = Memi[recs+i]
if (ptr == NULL)
next
if (Memc[ptr] != ' ')
break
Memi[recs+i] = NULL
}
ptr1 = ptr
for (; Memi[recs+i]!=EOF; i=i+1) {
ptr = Memi[recs+i]
if (ptr == NULL)
next
if (Memc[ptr] == ' ' && Memc[ptr1] == ' ')
Memi[recs+i] = NULL
else
ptr1 = ptr
}
# Write the output global header.
ptr = immap (oname, NEW_COPY, refim); im = ptr
IM_PIXTYPE(im) = TY_SHORT
IM_NDIM(im) = 0
ptr1 = IM_USERAREA(im)
for (i=0; Memi[recs+i]!=EOF; i=i+1) {
ptr = Memi[recs+i]
if (ptr == NULL)
next
call strcpy (Memc[ptr], Memc[ptr1], 81)
ptr1 = ptr1 + 81
}
Memc[ptr1] = EOS
call imunmap (im)
} then
call erract (EA_WARN)
# Finish up.
if (im != NULL)
call imunmap (im)
if (refim != NULL)
call imunmap (refim)
call mfree (recs, TY_POINTER)
call clpcls (exclude)
call imtclose (input)
end
# MATCHCARD -- Match a card given by pat to a string which is a user area.
# This is a simple version of gstrmatch.
bool procedure matchcard (str, pat)
char str[ARB] # String to search
char pat[ARB] # String to match
char ch, pch
int i, ip, pp
begin
do ip = 1, ARB {
if (str[ip] == EOS)
break
i = ip
for (pp=1; pp < 81; pp=pp+1) {
pch = pat[pp]
ch = str[i]
i = i + 1
if (pch != ch)
break
}
if (pp == 81)
return (true)
else if (str[i] == EOS)
break
}
return (false)
end
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