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include <mach.h> # for MAX_INT and MAX_SHORT
include <tbset.h>
include "tbtables.h"
# tbzgt[tbirds] -- get a single element
# This procedure gets a single element from an internal buffer corresponding
# to a value in a text file.
#
# Phil Hodge, 14-Jan-1992 Subroutines created.
# Phil Hodge, 10-Feb-1993 Change "NO" to "false" in tbzgtb.
# Phil Hodge, 31-Mar-1993 Include short datatype.
# Phil Hodge, 12-Aug-1993 Use ctol instead of ctoi to allow leading "+" sign.
# Phil Hodge, 14-Apr-1998 Use COL_FMT directly, instead of calling tbcftg.
procedure tbzgtb (tp, cp, rownum, buffer)
pointer tp # i: pointer to table descriptor
pointer cp # i: pointer to column descriptor
int rownum # i: row number
bool buffer # o: buffer for value to be gotten
#--
pointer sp
pointer cbuf # buffer for copying character elements
int lenstr # length of a string table element
int ip # offset for extracting a string in Memc
int ctowrd()
bool streq()
begin
if (COL_DTYPE(cp) == TBL_TY_DOUBLE) {
buffer = (nint (Memd[COL_OFFSET(cp) + rownum - 1]) != NO)
} else if (COL_DTYPE(cp) == TBL_TY_INT) {
buffer = (Memi[COL_OFFSET(cp) + rownum - 1] != NO)
} else { # string
call smark (sp)
call salloc (cbuf, SZ_FNAME, TY_CHAR)
lenstr = -COL_DTYPE(cp) + 1 # one for EOS
ip = (rownum - 1) * lenstr + 1
if (ctowrd (Memc[COL_OFFSET(cp)], ip, Memc[cbuf], SZ_FNAME) < 1) {
buffer = false # bug fix 10-Feb-1993 PEH
} else {
call strlwr (Memc[cbuf])
buffer = streq (Memc[cbuf], "yes") ||
streq (Memc[cbuf], "true")
}
call sfree (sp)
}
end
procedure tbzgtd (tp, cp, rownum, buffer)
pointer tp # i: pointer to table descriptor
pointer cp # i: pointer to column descriptor
int rownum # i: row number
double buffer # o: buffer for value to be gotten
#--
int ival # buffer for integer value
int lenstr # length of a string table element
int ip # offset for extracting a string in Memc
int ctod()
begin
if (COL_DTYPE(cp) == TBL_TY_DOUBLE) {
buffer = Memd[COL_OFFSET(cp) + rownum - 1]
} else if (COL_DTYPE(cp) == TBL_TY_INT) {
ival = Memi[COL_OFFSET(cp) + rownum - 1]
if (IS_INDEFI(ival))
buffer = INDEFD
else
buffer = ival
} else { # string
lenstr = -COL_DTYPE(cp) + 1 # one for EOS
ip = (rownum - 1) * lenstr + 1
if (ctod (Memc[COL_OFFSET(cp)], ip, buffer) < 1)
buffer = INDEFD
}
end
procedure tbzgtr (tp, cp, rownum, buffer)
pointer tp # i: pointer to table descriptor
pointer cp # i: pointer to column descriptor
int rownum # i: row number
real buffer # o: buffer for value to be gotten
#--
double dval # buffer for double precision
int ival # buffer for integer value
int lenstr # length of a string table element
int ip # offset for extracting a string in Memc
int ctor()
begin
if (COL_DTYPE(cp) == TBL_TY_DOUBLE) {
dval = Memd[COL_OFFSET(cp) + rownum - 1]
if (IS_INDEFD(dval))
buffer = INDEFR
else
buffer = dval
} else if (COL_DTYPE(cp) == TBL_TY_INT) {
ival = Memi[COL_OFFSET(cp) + rownum - 1]
if (IS_INDEFI(ival))
buffer = INDEFR
else
buffer = ival
} else { # string
lenstr = -COL_DTYPE(cp) + 1 # one for EOS
ip = (rownum - 1) * lenstr + 1
if (ctor (Memc[COL_OFFSET(cp)], ip, buffer) < 1)
buffer = INDEFR
}
end
procedure tbzgti (tp, cp, rownum, buffer)
pointer tp # i: pointer to table descriptor
pointer cp # i: pointer to column descriptor
int rownum # i: row number
int buffer # o: buffer for value to be gotten
#--
double dval # buffer for double precision
int lenstr # length of a string table element
int ip # offset for extracting a string in Memc
long lval # so we can use ctol
int ctol()
begin
if (COL_DTYPE(cp) == TBL_TY_DOUBLE) {
dval = Memd[COL_OFFSET(cp) + rownum - 1]
if (IS_INDEFD(dval) || (abs (dval) > MAX_INT))
buffer = INDEFI
else
buffer = nint (dval)
} else if (COL_DTYPE(cp) == TBL_TY_INT) {
buffer = Memi[COL_OFFSET(cp) + rownum - 1]
} else { # string
lenstr = -COL_DTYPE(cp) + 1 # one for EOS
ip = (rownum - 1) * lenstr + 1
if (ctol (Memc[COL_OFFSET(cp)], ip, lval) > 0)
buffer = lval
else
buffer = INDEFI
#*** if (ctoi (Memc[COL_OFFSET(cp)], ip, buffer) < 1)
#*** buffer = INDEFI
}
end
procedure tbzgts (tp, cp, rownum, buffer)
pointer tp # i: pointer to table descriptor
pointer cp # i: pointer to column descriptor
int rownum # i: row number
short buffer # o: buffer for value to be gotten
#--
double dval # buffer for double precision
int lenstr # length of a string table element
int ip # offset for extracting a string in Memc
int ival
long lval # so we can use ctol
int ctol()
begin
if (COL_DTYPE(cp) == TBL_TY_DOUBLE) {
dval = Memd[COL_OFFSET(cp) + rownum - 1]
if (IS_INDEFD(dval) || (abs (dval) > MAX_SHORT))
buffer = INDEFS
else
buffer = nint (dval)
} else if (COL_DTYPE(cp) == TBL_TY_INT) {
ival = Memi[COL_OFFSET(cp) + rownum - 1]
if (IS_INDEFI(ival) || (abs (ival) > MAX_SHORT))
buffer = INDEFS
else
buffer = ival
} else { # string
lenstr = -COL_DTYPE(cp) + 1 # one for EOS
ip = (rownum - 1) * lenstr + 1
if (ctol (Memc[COL_OFFSET(cp)], ip, lval) > 0) {
if (abs (lval) > MAX_SHORT)
buffer = INDEFS
else
buffer = lval
} else {
buffer = INDEFS
}
}
end
procedure tbzgtt (tp, cp, rownum, buffer, maxch)
pointer tp # i: pointer to table descriptor
pointer cp # i: pointer to column descriptor
int rownum # i: row number
char buffer[ARB] # o: buffer for value to be gotten
int maxch # i: size of buffer
#--
double dval # buffer for double precision
int ival # buffer for integer value
int lenstr # length of a string table element
int ip # offset for extracting a string in Memc
begin
if (COL_DTYPE(cp) == TBL_TY_DOUBLE) {
dval = Memd[COL_OFFSET(cp) + rownum - 1]
if (IS_INDEFD(dval)) {
call strcpy ("INDEF", buffer, maxch)
} else {
call sprintf (buffer, maxch, COL_FMT(cp))
call pargd (dval)
}
} else if (COL_DTYPE(cp) == TBL_TY_INT) {
ival = Memi[COL_OFFSET(cp) + rownum - 1]
if (IS_INDEFI(ival)) {
call strcpy ("INDEF", buffer, maxch)
} else {
call sprintf (buffer, maxch, COL_FMT(cp))
call pargi (ival)
}
} else { # string
lenstr = -COL_DTYPE(cp) + 1 # one for EOS
ip = (rownum - 1) * lenstr
call strcpy (Memc[COL_OFFSET(cp) + ip], buffer, maxch)
}
end
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