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include <tbset.h>
# TIHEADER -- Routines for retrieving header-stored scalars.
#
# Details such as keyword names and encoding are defined by the
# way task txtable creates the same keywords.
#
#
#
# TIHKI -- Look for keyword and return integer value, or 0 if not found.
# TIHMAX -- Return maximum number of header-stored scalars.
# TIHNSC -- Return actual number of scalars in header.
# TIHROW -- Return original row value stored by txtable task.
# TIHDEC -- Decode column description in header keyword.
#
#
#
# Revision history:
# ----------------
# 20-Jan-97 - Task created (I.Busko)
# 17-Mar-97 - Revised after code review (IB)
# TIHMAX -- Return maximum number of header-stored scalars.
int procedure tihmax (tp)
pointer tp # table pointer
int tihki()
begin
return (tihki (tp, "TCTOTAL"))
end
# TIHROW -- Return original row value (stored by txtable task).
int procedure tihrow (tp)
pointer tp # table pointer
int tihki()
begin
return (tihki (tp, "ORIG_ROW"))
end
# TIHNSC -- Return actual number of scalars in header.
int procedure tihnsc (tp)
pointer tp # table pointer
#--
pointer sp, kwname, kwval
int dtype, parnum
int i, ntot, nscalar
int tihmax()
begin
call smark (sp)
call salloc (kwval, SZ_PARREC, TY_CHAR)
call salloc (kwname, SZ_LINE, TY_CHAR)
nscalar = 0
ntot = tihmax (tp)
do i = 1, ntot {
call sprintf (kwname, SZ_LINE, "TCD_%03d")
call pargi (i)
call tbhfkr (tp, kwname, dtype, kwval, parnum)
if (parnum > 0)
nscalar = nscalar + 1
}
call sfree (sp)
return (nscalar)
end
# TIHDEC -- Decode column description in header keyword. The detailed
# format depends on how task txtable does the encoding.
bool procedure tihdec (tp, kn, colname, colunits, colfmt, datatype, lenfmt)
pointer tp # i: table pointer
int kn # i: keyword number
char colname[ARB] # o: column name
char colunits[ARB] # o: column units
char colfmt[ARB] # o: column print format
int datatype # o: column data type
int lenfmt # o: format lenght
#--
pointer sp, kwname, kwval, dtype
int parnum
bool found
string corrupt "Corrupted header in input table."
int nscan(), strncmp()
bool streq()
begin
call smark (sp)
call salloc (kwval, SZ_PARREC, TY_CHAR)
call salloc (kwname, SZ_LINE, TY_CHAR)
call salloc (dtype, SZ_LINE, TY_CHAR)
# Build column description keyword name.
call sprintf (Memc[kwname], SZ_LINE, "TCD_%03d")
call pargi (kn)
# Look for it.
call tbhfkr (tp, Memc[kwname], datatype, Memc[kwval], parnum)
if (parnum > 0) {
# Found; parse the 5 fields.
call sscan (Memc[kwval])
call gargwrd (colname, SZ_COLNAME)
if (nscan() < 1) call error (1, corrupt)
call gargwrd (colunits, SZ_COLUNITS)
if (nscan() < 1) call error (1, corrupt)
call gargwrd (colfmt, SZ_COLFMT)
if (nscan() < 1) call error (1, corrupt)
call gargwrd (Memc[dtype], SZ_LINE)
if (nscan() < 1) call error (1, corrupt)
call gargi (lenfmt)
if (nscan() < 1) call error (1, corrupt)
# Translate from human-readable encoding to sdas table encoding.
if (streq (colunits, "default"))
call strcpy ("", colunits, SZ_COLUNITS)
if (streq (colfmt, "default"))
call strcpy ("", colfmt, SZ_COLFMT)
if (streq (Memc[dtype], "boolean")) datatype = TY_BOOL
if (streq (Memc[dtype], "short")) datatype = TY_SHORT
if (streq (Memc[dtype], "integer")) datatype = TY_INT
if (streq (Memc[dtype], "long")) datatype = TY_LONG
if (streq (Memc[dtype], "real")) datatype = TY_REAL
if (streq (Memc[dtype], "double")) datatype = TY_DOUBLE
if (strncmp (Memc[dtype], "character_", 10) == 0) {
call sscan (Memc[dtype+10])
call gargi (datatype)
datatype = -datatype
}
found = true
} else
found = false
call sfree (sp)
return (found)
end
# TIHKI -- Look for keyword and return integer value, or 0 if not found.
# Zero is never expected as a valid result because this routine
# is used to retrieve either the maximum number of header-stored
# scalars (zero means no scalars) or the original table row number.
int procedure tihki (tp, keyword)
pointer tp # table pointer
char keyword[ARB] # keyword
#--
pointer sp, kwval
int dtype, parnum, par
int tbhgti()
begin
call smark (sp)
call salloc (kwval, SZ_PARREC, TY_CHAR)
call tbhfkr (tp, keyword, dtype, kwval, parnum)
if (parnum > 0)
par = tbhgti (tp, keyword)
else
par = 0
call sfree (sp)
return (par)
end
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