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include "../lib/mctable.h"
# MCT_RESTORE - Restore table from a text file.
procedure mct_restore (fname, table)
char fname[ARB] # file name
pointer table # table descriptor
char cval
short sval
int fd, magic, type, row, col, nprows, npcols
int maxcol, maxrow, lastcol, ival
long lval
pointer pval
real rval
double dval
complex xval
int open(), fscan(), nscan()
errchk mct_alloc()
errchk mct_putc(), mct_puts(), mct_puti(), mct_putl()
errchk mct_putr(), mct_putd(), mct_putx(), mct_putp()
begin
# Open file.
iferr (fd = open (fname, READ_ONLY, TEXT_FILE))
call error (0, "mct_restore: Cannot open file")
# Read and check magic number.
if (fscan (fd) != EOF) {
call gargi (magic)
if (magic != MAGIC)
call error (0, "mct_restore: Bad magic number")
} else
call error (0, "mct_restore: Unexpected end of file (magic)")
# Read type.
if (fscan (fd) != EOF)
call gargi (type)
else
call error (0, "mct_restore: Unexpected end of file (type)")
# Read max number of rows.
if (fscan (fd) != EOF)
call gargi (maxrow)
else
call error (0, "mct_restore: Unexpected end of file (maxrow)")
# Read max number of columns.
if (fscan (fd) != EOF)
call gargi (maxcol)
else
call error (0, "mct_restore: Unexpected end of file (maxcol)")
# Discard row increment.
if (fscan (fd) != EOF)
call gargi (ival)
else
call error (0, "mct_restore: Unexpected end of file (incrows)")
# Read number of rows entered.
if (fscan (fd) != EOF)
call gargi (nprows)
else
call error (0, "mct_restore: Unexpected end of file (nprows)")
# Read number of columns entered.
if (fscan (fd) != EOF)
call gargi (npcols)
else
call error (0, "mct_restore: Unexpected end of file (npcols)")
# Read number of rows gotten.
if (fscan (fd) != EOF)
call gargi (ival)
else
call error (0, "mct_restore: Unexpected end of file (ngrows)")
# Read number of columns gotten
if (fscan (fd) != EOF)
call gargi (ival)
else
call error (0, "mct_restore: Unexpected end of file (ngcols)")
# Discard data pointer.
if (fscan (fd) != EOF)
call gargi (ival)
else
call error (0, "mct_restore: Unexpected end of file (pointer)")
# Allocate table.
call mct_alloc (table, maxrow, maxcol, type)
# Loop over rows.
lastcol = maxcol
do row = 1, nprows {
# In the last row the column loop should go only until the
# highest column.
if (row == nprows)
lastcol = npcols
# Start scanning next line.
if (fscan (fd) == EOF)
call error (0, "mct_restore: Unexpected end of file (row)")
# Loop over columns.
for (col = 1; col <= lastcol; col = col + 1) {
# Read data.
switch (MCT_TYPE (table)) {
case TY_CHAR:
call gargc (cval)
call mct_putc (table, row, col, cval)
case TY_SHORT:
call gargs (sval)
call mct_puts (table, row, col, sval)
case TY_INT:
call gargi (ival)
call mct_puti (table, row, col, ival)
case TY_LONG:
call gargl (lval)
call mct_putl (table, row, col, lval)
case TY_REAL:
call gargr (rval)
call mct_putr (table, row, col, rval)
case TY_DOUBLE:
call gargd (dval)
call mct_putd (table, row, col, dval)
case TY_COMPLEX:
call gargx (xval)
call mct_putx (table, row, col, xval)
case TY_POINTER:
call gargi (pval)
call mct_putp (table, row, col, pval)
default:
call error (0, "mct_save: Unknown data type")
}
# Check column read.
if (nscan () != col)
call error (0, "mct_restore: Unexpcted end of file (col)")
}
}
# Close file.
call close (fd)
end
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