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

[pspp] / src / language / commands / variable-display.c

diff --git a/src/language/commands/variable-display.c b/src/language/commands/variable-display.c
new file mode 100644 (file)
index 0000000..98fadb2
--- /dev/null
+++ b/src/language/commands/variable-display.c
@@ -0,0 +1,206 @@
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 1997-9, 2000, 2010, 2011, 2013 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 <stdio.h>
+#include <stdlib.h>
+
+#include "data/dataset.h"
+#include "data/variable.h"
+#include "language/command.h"
+#include "language/lexer/lexer.h"
+#include "language/lexer/variable-parser.h"
+#include "libpspp/message.h"
+#include "libpspp/str.h"
+
+#include "gl/minmax.h"
+#include "gl/xalloc.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
+int
+cmd_variable_alignment (struct lexer *lexer, struct dataset *ds)
+{
+  do
+    {
+      struct variable **v;
+      size_t nv;
+
+      if (!parse_variables (lexer, dataset_dict (ds), &v, &nv, PV_NONE))
+        return CMD_FAILURE;
+
+      if (!lex_force_match (lexer, T_LPAREN))
+        goto error;
+
+      enum alignment align;
+      if (lex_match_id (lexer, "LEFT"))
+        align = ALIGN_LEFT;
+      else if (lex_match_id (lexer, "RIGHT"))
+        align = ALIGN_RIGHT;
+      else if (lex_match_id (lexer, "CENTER"))
+        align = ALIGN_CENTRE;
+      else
+        {
+          lex_error_expecting (lexer, "LEFT", "RIGHT", "CENTER");
+          goto error;
+        }
+
+      if (!lex_force_match (lexer, T_RPAREN))
+        goto error;
+
+      for (size_t i = 0; i < nv; ++i)
+        var_set_alignment (v[i], align);
+
+      while (lex_token (lexer) == T_SLASH)
+       lex_get (lexer);
+      free (v);
+      continue;
+
+    error:
+      free (v);
+      return CMD_FAILURE;
+    }
+  while (lex_token (lexer) != T_ENDCMD);
+  return CMD_SUCCESS;
+}
+
+int
+cmd_variable_width (struct lexer *lexer, struct dataset *ds)
+{
+  do
+    {
+      struct variable **v;
+      size_t nv;
+      if (!parse_variables (lexer, dataset_dict (ds), &v, &nv, PV_NONE))
+        return CMD_FAILURE;
+
+      if (!lex_force_match (lexer, T_LPAREN)
+          || !lex_force_int_range (lexer, NULL, 1, INT_MAX))
+        goto error;
+      long width = lex_integer (lexer);
+      lex_get (lexer);
+      if (!lex_force_match (lexer, T_RPAREN))
+        goto error;
+
+      width = MIN (width, 2 * MAX_STRING);
+
+      for (size_t i = 0; i < nv; ++i)
+        var_set_display_width (v[i], width);
+
+      while (lex_token (lexer) == T_SLASH)
+       lex_get (lexer);
+      free (v);
+      continue;
+
+    error:
+      free (v);
+      return CMD_FAILURE;
+    }
+  while (lex_token (lexer) != T_ENDCMD);
+  return CMD_SUCCESS;
+}
+
+/* Set variables' measurement level */
+int
+cmd_variable_level (struct lexer *lexer, struct dataset *ds)
+{
+  do
+    {
+      struct variable **v;
+      size_t nv;
+
+      if (!parse_variables (lexer, dataset_dict (ds), &v, &nv, PV_NONE))
+        return CMD_FAILURE;
+
+      if (!lex_force_match (lexer, T_LPAREN))
+        goto error;
+
+      enum measure level;
+      if (lex_match_id (lexer, "SCALE"))
+        level = MEASURE_SCALE;
+      else if (lex_match_id (lexer, "ORDINAL"))
+        level = MEASURE_ORDINAL;
+      else if (lex_match_id (lexer, "NOMINAL"))
+        level = MEASURE_NOMINAL;
+      else
+        {
+          lex_error_expecting (lexer, "SCALE", "ORDINAL", "NOMINAL");
+          goto error;
+        }
+
+      if (!lex_force_match (lexer, T_RPAREN))
+        goto error;
+
+      for (size_t i = 0; i < nv; ++i)
+       var_set_measure (v[i], level);
+
+      while (lex_token (lexer) == T_SLASH)
+       lex_get (lexer);
+      free (v);
+      continue;
+
+    error:
+      free (v);
+      return CMD_FAILURE;
+    }
+  while (lex_token (lexer) != T_ENDCMD);
+  return CMD_SUCCESS;
+}
+
+int
+cmd_variable_role (struct lexer *lexer, struct dataset *ds)
+{
+  do
+    {
+      if (!lex_force_match (lexer, T_SLASH))
+        return CMD_FAILURE;
+
+      enum var_role role;
+      if (lex_match_id (lexer, "INPUT"))
+        role = ROLE_INPUT;
+      else if (lex_match_id (lexer, "TARGET"))
+        role = ROLE_TARGET;
+      else if (lex_match_id (lexer, "BOTH"))
+        role = ROLE_BOTH;
+      else if (lex_match_id (lexer, "NONE"))
+        role = ROLE_NONE;
+      else if (lex_match_id (lexer, "PARTITION"))
+        role = ROLE_PARTITION;
+      else if (lex_match_id (lexer, "SPLIT"))
+        role = ROLE_SPLIT;
+      else
+        {
+          lex_error_expecting (lexer, "INPUT", "TARGET", "BOTH",
+                               "NONE", "PARTITION", "SPLIT");
+          return CMD_FAILURE;
+        }
+
+      struct variable **v;
+      size_t nv;
+      if (!parse_variables (lexer, dataset_dict (ds), &v, &nv, PV_NONE))
+        return CMD_FAILURE;
+
+      for (size_t i = 0; i < nv; i++)
+       var_set_role (v[i], role);
+
+      free (v);
+    }
+  while (lex_token (lexer) != T_ENDCMD);
+
+  return CMD_SUCCESS;
+}