// -*- c -*-
+//
+// PSPP - computes sample statistics.
+// Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+// Written by Ben Pfaff <blp@gnu.org>.
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+// 02110-1301, USA. */
operator NEG (x) = -x;
string function MAX (string a[n])
{
- struct fixed_string *max;
+ struct substring *max;
size_t i;
max = &a[0];
string function MIN (string a[n])
{
- struct fixed_string *min;
+ struct substring *min;
size_t i;
min = &a[0];
for (i = 0; i < n; i++)
{
- struct fixed_string *w = &a[2 * i];
- struct fixed_string *y = &a[2 * i + 1];
+ struct substring *w = &a[2 * i];
+ struct substring *y = &a[2 * i + 1];
if (compare_string (w, &x) <= 0 && compare_string (&x, y) <= 0)
return 1.;
}
string function CONCAT (string a[n])
expression e;
{
- struct fixed_string dst;
+ struct substring dst;
size_t i;
- dst = alloc_string (e, 255);
+ dst = alloc_string (e, MAX_STRING);
dst.length = 0;
for (i = 0; i < n; i++)
{
- struct fixed_string *src = &a[i];
+ struct substring *src = &a[i];
size_t copy_len;
copy_len = src->length;
- if (dst.length + copy_len > 255)
- copy_len = 255 - dst.length;
+ if (dst.length + copy_len > MAX_STRING)
+ copy_len = MAX_STRING - dst.length;
memcpy (&dst.string[dst.length], src->string, copy_len);
dst.length += copy_len;
}
absorb_miss string function LPAD (string s, n)
expression e;
{
- if (n < 0 || n > 255 || (int) n != n)
+ if (n < 0 || n > MAX_STRING || (int) n != n)
return empty_string;
else if (s.length >= n)
return s;
else
{
- struct fixed_string t = alloc_string (e, n);
+ struct substring t = alloc_string (e, n);
memset (t.string, ' ', n - s.length);
memcpy (&t.string[(int) n - s.length], s.string, s.length);
return t;
absorb_miss string function LPAD (string s, n, string c)
expression e;
{
- if (n < 0 || n > 255 || (int) n != n || c.length != 1)
+ if (n < 0 || n > MAX_STRING || (int) n != n || c.length != 1)
return empty_string;
else if (s.length >= n)
return s;
else
{
- struct fixed_string t = alloc_string (e, n);
+ struct substring t = alloc_string (e, n);
memset (t.string, c.string[0], n - s.length);
memcpy (&t.string[(int) n - s.length], s.string, s.length);
return t;
absorb_miss string function RPAD (string s, n)
expression e;
{
- if (n < 0 || n > 255 || (int) n != n)
+ if (n < 0 || n > MAX_STRING || (int) n != n)
return empty_string;
else if (s.length >= n)
return s;
else
{
- struct fixed_string t = alloc_string (e, n);
+ struct substring t = alloc_string (e, n);
memcpy (t.string, s.string, s.length);
memset (&t.string[s.length], ' ', n - s.length);
return t;
absorb_miss string function RPAD (string s, n, string c)
expression e;
{
- if (n < 0 || n > 255 || (int) n != n || c.length != 1)
+ if (n < 0 || n > MAX_STRING || (int) n != n || c.length != 1)
return empty_string;
else if (s.length >= n)
return s;
else
{
- struct fixed_string t = alloc_string (e, n);
+ struct substring t = alloc_string (e, n);
memcpy (t.string, s.string, s.length);
memset (&t.string[s.length], c.string[0], n - s.length);
return t;
function NUMBER (string s, ni_format f)
{
- struct data_in di;
union value out;
- di.s = s.string;
- di.v = &out;
- di.flags = DI_IMPLIED_DECIMALS;
- di.f1 = 1;
- di.format = *f;
- di.e = s.string + min (s.length, di.format.w);
- data_in (&di);
+ data_in (ss_head (s, f->w), f->type, f->d, 0, &out, 0);
return out.f;
}
expression e;
{
union value v;
- struct fixed_string dst;
+ struct substring dst;
v.f = x;
dst = alloc_string (e, f->w);
- assert ((formats[f->type].cat & FCAT_STRING) == 0);
- data_out (dst.string, f, &v);
+ assert (!fmt_is_string (f->type));
+ data_out (&v, f, dst.string);
return dst;
}
expression e;
str_var v;
{
- struct fixed_string s = alloc_string (e, v->width);
+ struct substring s = alloc_string (e, v->width);
memcpy (s.string, case_str (c, v->fv), v->width);
return s;
}
no_opt perm_only function LAG (num_var v, pos_int n_before)
+ dataset ds;
{
- struct ccase *c = lagged_case (n_before);
+ struct ccase *c = lagged_case (ds, n_before);
if (c != NULL)
{
double x = case_num (c, v->fv);
}
no_opt perm_only function LAG (num_var v)
+ dataset ds;
{
- struct ccase *c = lagged_case (1);
+ struct ccase *c = lagged_case (ds, 1);
if (c != NULL)
{
double x = case_num (c, v->fv);
no_opt perm_only string function LAG (str_var v, pos_int n_before)
expression e;
+ dataset ds;
{
- struct ccase *c = lagged_case (n_before);
+ struct ccase *c = lagged_case (ds, n_before);
if (c != NULL)
return copy_string (e, case_str (c, v->fv), v->width);
else
no_opt perm_only string function LAG (str_var v)
expression e;
+ dataset ds;
{
- struct ccase *c = lagged_case (1);
+ struct ccase *c = lagged_case (ds, 1);
if (c != NULL)
return copy_string (e, case_str (c, v->fv), v->width);
else