Move all command implementations into a single 'commands' directory.

[pspp] / src / language / commands / output.c

diff --git a/src/language/commands/output.c b/src/language/commands/output.c
new file mode 100644 (file)
index 0000000..38d437a
--- /dev/null
+++ b/src/language/commands/output.c
@@ -0,0 +1,132 @@
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 2014 Free Software Foundation, Inc.
+
+   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 3 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, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <stdlib.h>
+
+#include "data/dataset.h"
+#include "data/settings.h"
+#include "data/format.h"
+#include "language/command.h"
+#include "language/lexer/lexer.h"
+#include "language/lexer/format-parser.h"
+#include "libpspp/message.h"
+#include "libpspp/string-set.h"
+#include "libpspp/version.h"
+#include "output/pivot-table.h"
+
+#include "gl/xalloc.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
+int
+cmd_output_modify (struct lexer *lexer, struct dataset *ds UNUSED)
+{
+  struct string_set rc_names = STRING_SET_INITIALIZER (rc_names);
+
+  while (lex_token (lexer) != T_ENDCMD)
+    {
+      lex_match (lexer, T_SLASH);
+
+      if (lex_match_id (lexer, "SELECT"))
+       {
+         if (!lex_force_match_id (lexer, "TABLES"))
+            goto error;
+       }
+      else if (lex_match_id (lexer, "TABLECELLS"))
+       {
+          string_set_clear (&rc_names);
+         struct fmt_spec fmt = { .type = 0 };
+
+         while (lex_token (lexer) != T_SLASH &&
+                lex_token (lexer) != T_ENDCMD)
+           {
+             if (lex_match_id (lexer, "SELECT"))
+               {
+                 if (!lex_force_match (lexer, T_EQUALS))
+                   goto error;
+
+                 if (!lex_force_match (lexer, T_LBRACK))
+                   goto error;
+
+                 while (lex_token (lexer) == T_ID)
+                    {
+                      string_set_insert (&rc_names, lex_tokcstr (lexer));
+                      lex_get (lexer);
+                    }
+
+                 if (!lex_force_match (lexer, T_RBRACK))
+                   goto error;
+               }
+             else if (lex_match_id (lexer, "FORMAT"))
+               {
+                 char type[FMT_TYPE_LEN_MAX + 1];
+                 uint16_t width;
+                 uint8_t decimals;
+
+                 if (!lex_force_match (lexer, T_EQUALS)
+                      || !parse_abstract_format_specifier (lexer, type,
+                                                           &width, &decimals))
+                    goto error;
+
+                 if (width <= 0)
+                   {
+                     const struct fmt_spec *dflt = settings_get_format ();
+                     width = dflt->w;
+                   }
+
+                  if (!fmt_from_name (type, &fmt.type))
+                    {
+                      lex_error (lexer, _("Unknown format type `%s'."), type);
+                     goto error;
+                    }
+
+                 fmt.w = width;
+                 fmt.d = decimals;
+               }
+             else
+               {
+                 lex_error_expecting (lexer, "SELECT", "FORMAT");
+                 goto error;
+               }
+           }
+
+          if (fmt.w)
+            {
+              const struct string_set_node *node;
+              const char *s;
+              STRING_SET_FOR_EACH (s, node, &rc_names)
+                if (!pivot_result_class_change (s, &fmt))
+                  lex_error (lexer, _("Unknown cell class %s."), s);
+            }
+       }
+      else
+       {
+         lex_error_expecting (lexer, "SELECT", "TABLECELLS");
+         goto error;
+       }
+    }
+
+  string_set_destroy (&rc_names);
+  return CMD_SUCCESS;
+
+ error:
+  string_set_destroy (&rc_names);
+  return CMD_FAILURE;
+}