+/*
+ PSPPIRE --- A Graphical User Interface for PSPP
+ Copyright (C) 2006 Free Software Foundation
+
+ 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 <libpspp/getl.h>
+#include <libpspp/alloc.h>
+#include <libpspp/compiler.h>
+#include <libpspp/str.h>
+
+#include <stdlib.h>
+
+#include <gtk/gtk.h>
+
+#include "syntax-editor-source.h"
+#include "syntax-editor.h"
+
+struct syntax_editor_source
+ {
+ struct getl_interface parent;
+ const struct syntax_editor *se;
+ GtkTextIter i;
+ GtkTextIter end;
+ };
+
+
+static bool
+always_false (const struct getl_interface *i UNUSED)
+{
+ return false;
+}
+
+/* Returns the name of the source */
+static const char *
+name (const struct getl_interface *i)
+{
+ const struct syntax_editor_source *ses =
+ (const struct syntax_editor_source *) i;
+
+ return ses->se->name;
+}
+
+
+/* Returns the location within the source */
+static int
+location (const struct getl_interface *i)
+{
+ const struct syntax_editor_source *ses = (const struct syntax_editor_source *) i;
+
+ return gtk_text_iter_get_line (&ses->i);
+}
+
+
+static bool
+read_line_from_buffer (struct getl_interface *i,
+ struct string *line,
+ enum getl_syntax *syntax_rules)
+{
+ gchar *text;
+ GtkTextIter next_line;
+
+ struct syntax_editor_source *ses = (struct syntax_editor_source *) i;
+
+ if ( gtk_text_iter_compare (&ses->i, &ses->end) >= 0)
+ return false;
+
+ gtk_text_buffer_get_iter_at_line ( ses->se->buffer,
+ &next_line,
+ 1 + gtk_text_iter_get_line (&ses->i)
+ );
+
+ text = gtk_text_buffer_get_text (ses->se->buffer,
+ &ses->i, &next_line,
+ FALSE);
+ g_strchomp (text);
+
+ ds_assign_cstr (line, text);
+
+ g_free (text);
+
+ gtk_text_iter_forward_line (&ses->i);
+
+ return true;
+}
+
+
+static void
+close (struct getl_interface *i )
+{
+ free (i);
+}
+
+struct getl_interface *
+create_syntax_editor_source (const struct syntax_editor *se,
+ GtkTextIter start,
+ GtkTextIter stop
+ )
+{
+ struct syntax_editor_source *ses = xzalloc (sizeof *ses);
+
+ ses->se = se;
+ ses->i = start;
+ ses->end = stop;
+
+
+ ses->parent.interactive = always_false;
+ ses->parent.read = read_line_from_buffer;
+ ses->parent.close = close;
+
+ ses->parent.name = name;
+ ses->parent.location = location;
+
+
+ return (struct getl_interface *) ses;
+}
projects / pspp-builds.git / commitdiff