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[pspp-builds.git] / src / language / prompt.c

diff --git a/src/language/prompt.c b/src/language/prompt.c
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+/* PSPP - computes sample statistics.
+   Copyright (C) 1997-9, 2000 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. */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#include "prompt.h"
+
+#include <data/file-name.h>
+#include <data/settings.h>
+#include <data/variable.h>
+#include <language/command.h>
+#include <language/lexer/lexer.h>
+#include <libpspp/alloc.h>
+#include <libpspp/assertion.h>
+#include <libpspp/message.h>
+#include <libpspp/message.h>
+#include <libpspp/str.h>
+#include <libpspp/verbose-msg.h>
+#include <libpspp/version.h>
+#include <output/table.h>
+
+/* Current prompts in each style. */
+static char *prompts[PROMPT_CNT];
+
+/* Current prompting style. */
+static enum prompt_style current_style;
+
+/* Initializes prompts. */
+void
+prompt_init (void) 
+{
+  prompts[PROMPT_FIRST] = xstrdup ("PSPP> ");
+  prompts[PROMPT_LATER] = xstrdup ("    > ");
+  prompts[PROMPT_DATA] = xstrdup ("data> ");
+  current_style = PROMPT_FIRST;
+}
+
+/* Frees prompts. */
+void
+prompt_done (void) 
+{
+  int i;
+
+  for (i = 0; i < PROMPT_CNT; i++) 
+    {
+      free (prompts[i]);
+      prompts[i] = NULL;
+    }
+}
+
+/* Gets the command prompt for the given STYLE. */
+const char * 
+prompt_get (enum prompt_style style)
+{
+  assert (style < PROMPT_CNT);
+  return prompts[style];
+}
+
+/* Sets the given STYLE's prompt to STRING. */
+void
+prompt_set (enum prompt_style style, const char *string)
+{
+  assert (style < PROMPT_CNT);
+  free (prompts[style]);
+  prompts[style] = xstrdup (string);
+}
+
+/* Sets STYLE as the current prompt style. */
+void
+prompt_set_style (enum prompt_style style) 
+{
+  assert (style < PROMPT_CNT);
+  current_style = style;
+}
+
+/* Returns the current prompt. */
+enum prompt_style
+prompt_get_style (void) 
+{
+  return current_style;
+}