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include <tbset.h>
define INT_DEFLEN 10
define REAL_DEFLEN 14
define DBL_DEFLEN 24
# DBGRULES -- Write the non-null rows in a table to a debug file
#
# B.Simon 25-Apr-88 Original
procedure dbg_rules (tp, title, row1, row2, dbg)
pointer tp # i: Table descriptor
char title[ARB] # i: Title to print above table
int row1 # i: First row to print
int row2 # i: Last row to print
int dbg # i: File descriptor of debug file
#--
bool nullflg
double dblval
int pwidth, ncol, irow, icol, jcol, collen, totlen, intval
pointer sp, col,strval, colname, colptr, typptr, lenptr
real realval
int tbpsta(), tbcnum(), tbcigi(), envgeti(), strlen()
begin
# First, make sure there is something to print
if (row2 < row1 || dbg == NULL)
return
# Allocate dynamic memory for strings
call smark (sp)
call salloc (strval, SZ_LINE, TY_CHAR)
call salloc (colname, SZ_COLNAME, TY_CHAR)
# Allocate dynamic memory for column arrays
ncol = tbpsta (tp, TBL_NCOLS)
call salloc (typptr, ncol, TY_INT)
call salloc (colptr, ncol, TY_INT)
call salloc (lenptr, ncol, TY_INT)
# Get width of terminal screen
pwidth = envgeti ("ttyncols")
# Print title
call fprintf (dbg, "%s\n")
call pargstr (title)
# Compute width of each column in output
jcol = 0
totlen = 0
do icol = 1, ncol {
# Check to see if this column is excluded from the output
col = tbcnum (tp, icol)
call tbrgtt (tp, col, Memc[strval], nullflg, SZ_LINE, 1, row1)
if (row1 != row2 || ! nullflg) {
jcol = jcol + 1
call tbcigt (col, TBL_COL_NAME, Memc[colname], SZ_COLNAME)
Memi[colptr+jcol-1] = col
Memi[typptr+jcol-1] = tbcigi (col, TBL_COL_DATATYPE)
# Set column width to default for its type
switch (Memi[typptr+jcol-1]) {
case TY_SHORT, TY_INT, TY_LONG:
collen = INT_DEFLEN
case TY_REAL:
collen = REAL_DEFLEN
case TY_DOUBLE:
collen = DBL_DEFLEN
default:
collen = - Memi[typptr+jcol-1]
}
# Adjust width to allow room for column titles
collen = max (collen, strlen (Memc[colname]))
totlen = totlen + collen + 1
# Write the column titles
if (jcol > 1 && totlen > pwidth)
call fprintf (dbg, "\n")
if (Memi[typptr+jcol-1] > 0) {
call fprintf (dbg, " %*s")
call pargi (collen)
} else {
call fprintf (dbg, " %*s")
call pargi (-collen)
}
call strupr (Memc[colname])
call pargstr (Memc[colname])
# Set sign to indicate start of new line
if (jcol > 1 && totlen > pwidth) {
totlen = collen + 1
Memi[lenptr+jcol-2] = - Memi[lenptr+jcol-2]
}
Memi[lenptr+jcol-1] = collen
}
}
# Recompute number of columns and force newline at end of title row
ncol = jcol
if (ncol > 0)
Memi[lenptr+ncol-1] = - Memi[lenptr+ncol-1]
call fprintf (dbg, "\n")
# Read the data from the database and write the data to STDOUT
do irow = row1, row2 {
do jcol = 1, ncol {
col = Memi[colptr+jcol-1]
collen = abs (Memi[lenptr+jcol-1])
switch(Memi[typptr+jcol-1]) {
case TY_SHORT, TY_INT, TY_LONG:
call tbegti (tp, col, irow, intval)
call fprintf (dbg, " %*d")
call pargi (collen)
call pargi (intval)
case TY_REAL:
call tbegtr (tp, col, irow, realval)
call fprintf (dbg, " %*.7g")
call pargi (collen)
call pargr (realval)
case TY_DOUBLE:
call tbegtd (tp, col, irow, dblval)
call fprintf (dbg, " %*.16g")
call pargi (collen)
call pargd (dblval)
default:
call tbegtt (tp, col, irow, Memc[strval], SZ_LINE)
call fprintf (dbg, " %*s")
call pargi (-collen)
call pargstr (Memc[strval])
}
if (Memi[lenptr+jcol-1] < 0)
call fprintf (dbg, "\n")
}
}
call fprintf (dbg, "\n\n")
call sfree (sp)
end
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