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+/* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */
+
+/*
+ * This file is part of The Croco Library
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2.1 of the GNU Lesser General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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 Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ *
+ * Author: Dodji Seketeli
+ * See COPYRIGHTS file for copyright information.
+ */
+
+
+#ifndef __CR_SEL_H__
+#define __CR_SEL_H__
+
+#include <stdio.h>
+#include <glib.h>
+#include "cr-additional-sel.h"
+#include "cr-parsing-location.h"
+
+G_BEGIN_DECLS
+
+/**
+ *@file
+ *the declaration of the #CRSimpleSel class.
+ *
+ */
+enum Combinator
+{
+ NO_COMBINATOR,
+ COMB_WS,/*whitespace: descendent*/
+ COMB_PLUS,/*'+': preceded by*/
+ COMB_GT/*greater than ('>'): child*/
+} ;
+
+enum SimpleSelectorType
+{
+ NO_SELECTOR_TYPE = 0,
+ UNIVERSAL_SELECTOR = 1,
+ TYPE_SELECTOR = 1 << 1
+} ;
+
+typedef struct _CRSimpleSel CRSimpleSel ;
+
+/**
+ *The abstraction of a css2 simple selection list
+ *as defined by the right part of the "selector" production in the
+ *appendix D.1 of the css2 spec.
+ *It is basically a list of simple selector, each
+ *simple selector being separated by a combinator.
+ *
+ *In the libcroco's implementation, each simple selector
+ *is made of at most two parts:
+ *
+ *1/An element name or 'type selector' (which can hold a '*' and
+ *then been called 'universal selector')
+ *
+ *2/An additional selector that "specializes" the preceding type or
+ *universal selector. The additional selector can be either
+ *an id selector, or a class selector, or an attribute selector.
+ */
+struct _CRSimpleSel
+{
+ enum SimpleSelectorType type_mask ;
+ gboolean is_case_sentive ;
+ CRString * name ;
+ /**
+ *The combinator that separates
+ *this simple selector from the previous
+ *one.
+ */
+ enum Combinator combinator ;
+
+ /**
+ *The additional selector list of the
+ *current simple selector.
+ *An additional selector may
+ *be a class selector, an id selector,
+ *or an attribute selector.
+ *Note that this field is a linked list.
+ */
+ CRAdditionalSel *add_sel ;
+
+ /*
+ *the specificity as specified by
+ *chapter 6.4.3 of the spec.
+ */
+ gulong specificity ;
+
+ CRSimpleSel *next ;
+ CRSimpleSel *prev ;
+ CRParsingLocation location ;
+} ;
+
+CRSimpleSel * cr_simple_sel_new (void) ;
+
+CRSimpleSel * cr_simple_sel_append_simple_sel (CRSimpleSel *a_this,
+ CRSimpleSel *a_sel) ;
+
+CRSimpleSel * cr_simple_sel_prepend_simple_sel (CRSimpleSel *a_this,
+ CRSimpleSel *a_sel) ;
+
+guchar * cr_simple_sel_to_string (CRSimpleSel const *a_this) ;
+
+guchar * cr_simple_sel_one_to_string (CRSimpleSel const * a_this) ;
+
+enum CRStatus cr_simple_sel_dump (CRSimpleSel const *a_this, FILE *a_fp) ;
+
+enum CRStatus cr_simple_sel_dump_attr_sel_list (CRSimpleSel const *a_this) ;
+
+enum CRStatus cr_simple_sel_compute_specificity (CRSimpleSel *a_this) ;
+
+void cr_simple_sel_destroy (CRSimpleSel *a_this) ;
+
+G_END_DECLS
+
+
+#endif /*__CR_SIMPLE_SEL_H__*/