X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fsyntax-string-source.c;h=4f3c1c143a76f577e522568b78d869dde9574dd2;hb=638a86001fe7a237bd6c19a181d796305290d72a;hp=5f495776d9660ccedf51ddff94875b2e4770f20c;hpb=9491a8bd354152d3a228e1bf041c7ad6228750d7;p=pspp

diff --git a/src/language/syntax-string-source.c b/src/language/syntax-string-source.c
index 5f495776d9..4f3c1c143a 100644
--- a/src/language/syntax-string-source.c
+++ b/src/language/syntax-string-source.c
@@ -1,25 +1,24 @@
-/*
-  PSPPIRE --- A Graphical User Interface for PSPP
-  Copyright (C) 2007  Free Software Foundation
+/* PSPPIRE - a graphical interface for PSPP.
+   Copyright (C) 2007, 2009, 2010 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 2 of the License, or
-  (at your option) any later version.
+   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.
+   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. */
+   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 <libpspp/cast.h>
 #include <libpspp/getl.h>
-#include <libpspp/alloc.h>
 #include <libpspp/compiler.h>
 #include <libpspp/str.h>
 
@@ -27,6 +26,8 @@
 
 #include "syntax-string-source.h"
 
+#include "xalloc.h"
+
 struct syntax_string_source
   {
     struct getl_interface parent;
@@ -53,14 +54,15 @@ name (const struct getl_interface *i UNUSED)
 static int
 location (const struct getl_interface *i UNUSED)
 {
-  return -1;
+  return 0;
 }
 
 
 static void
-close (struct getl_interface *i )
+do_close (struct getl_interface *i )
 {
-  struct syntax_string_source *sss = (struct syntax_string_source *) i;
+  struct syntax_string_source *sss = UP_CAST (i, struct syntax_string_source,
+                                              parent);
 
   ds_destroy (&sss->buffer);
 
@@ -71,10 +73,10 @@ close (struct getl_interface *i )
 
 static bool
 read_single_line (struct getl_interface *i,
-		  struct string *line,
-		  enum getl_syntax *syntax_rules UNUSED)
+		  struct string *line)
 {
-  struct syntax_string_source *sss = (struct syntax_string_source *) i;
+  struct syntax_string_source *sss = UP_CAST (i, struct syntax_string_source,
+                                              parent);
 
   size_t next;
 
@@ -98,30 +100,46 @@ read_single_line (struct getl_interface *i,
   return true;
 }
 
-struct getl_interface *
-create_syntax_string_source (const char *format, ...)
+static struct syntax_string_source *
+create_syntax_string_source__ (void)
 {
-  va_list args;
-
   struct syntax_string_source *sss = xzalloc (sizeof *sss);
 
   sss->posn = 0;
 
-  ds_init_empty (&sss->buffer);
-
-  va_start (args, format);
-  ds_put_vformat (&sss->buffer, format, args);
-  va_end (args);
-
   sss->parent.interactive = always_false;
-  sss->parent.close = close;
+  sss->parent.close = do_close;
   sss->parent.read = read_single_line;
 
   sss->parent.name = name;
   sss->parent.location = location;
 
+  return sss;
+}
+
+struct getl_interface *
+create_syntax_string_source (const char *s)
+{
+  struct syntax_string_source *sss = create_syntax_string_source__ ();
+  ds_init_cstr (&sss->buffer, s);
+  return &sss->parent;
+}
+
+struct getl_interface *
+create_syntax_format_source (const char *format, ...)
+{
+  struct syntax_string_source *sss;
+  va_list args;
+
+  sss = create_syntax_string_source__ ();
+
+  ds_init_empty (&sss->buffer);
+
+  va_start (args, format);
+  ds_put_vformat (&sss->buffer, format, args);
+  va_end (args);
 
-  return (struct getl_interface *) sss;
+  return &sss->parent;
 }
 
 /* Return the syntax currently contained in S.