API: css: Add GtkCssSection

This struct keeps track of an area of text in a CSS file and uses it
when specifying information. Also, the cssprovider keeps track of
sections when parsing a file.

gtk/gtkcsssectionprivate.h

@@ -0,0 +1,38 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2011 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GTK_CSS_SECTION_PRIVATE_H__
+#define __GTK_CSS_SECTION_PRIVATE_H__
+
+#include "gtkcsssection.h"
+
+#include "gtkcssparserprivate.h"
+
+G_BEGIN_DECLS
+
+GtkCssSection *    _gtk_css_section_new                (GtkCssSection        *parent,
+                                                        GtkCssSectionType     type,
+                                                        GtkCssParser         *parser,
+                                                        GFile                *file);
+
+void               _gtk_css_section_end                (GtkCssSection        *section);
+
+G_END_DECLS
+
+#endif /* __GTK_CSS_SECTION_PRIVATE_H__ */