1/* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */ 2 3/* 4 * This file is part of The Croco Library 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of version 2.1 of the GNU Lesser General Public 8 * License as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 18 * USA 19 * 20 * Author: Dodji Seketeli 21 * See COPYRIGHTS file for copyright information. 22 */ 23 24 25#ifndef __CR_SEL_H__ 26#define __CR_SEL_H__ 27 28#include <stdio.h> 29#include <glib.h> 30#include "cr-additional-sel.h" 31#include "cr-parsing-location.h" 32 33G_BEGIN_DECLS 34 35/** 36 *@file 37 *the declaration of the #CRSimpleSel class. 38 * 39 */ 40enum Combinator 41{ 42 NO_COMBINATOR, 43 COMB_WS,/*whitespace: descendent*/ 44 COMB_PLUS,/*'+': preceded by*/ 45 COMB_GT/*greater than ('>'): child*/ 46} ; 47 48enum SimpleSelectorType 49{ 50 NO_SELECTOR_TYPE = 0, 51 UNIVERSAL_SELECTOR = 1, 52 TYPE_SELECTOR = 1 << 1 53} ; 54 55typedef struct _CRSimpleSel CRSimpleSel ; 56 57/** 58 *The abstraction of a css2 simple selection list 59 *as defined by the right part of the "selector" production in the 60 *appendix D.1 of the css2 spec. 61 *It is basically a list of simple selector, each 62 *simple selector being separated by a combinator. 63 * 64 *In the libcroco's implementation, each simple selector 65 *is made of at most two parts: 66 * 67 *1/An element name or 'type selector' (which can hold a '*' and 68 *then been called 'universal selector') 69 * 70 *2/An additional selector that "specializes" the preceding type or 71 *universal selector. The additionnal selector can be either 72 *an id selector, or a class selector, or an attribute selector. 73 */ 74struct _CRSimpleSel 75{ 76 enum SimpleSelectorType type_mask ; 77 gboolean is_case_sentive ; 78 CRString * name ; 79 /** 80 *The combinator that separates 81 *this simple selector from the previous 82 *one. 83 */ 84 enum Combinator combinator ; 85 86 /** 87 *The additional selector list of the 88 *current simple selector. 89 *An additional selector may 90 *be a class selector, an id selector, 91 *or an attribute selector. 92 *Note that this field is a linked list. 93 */ 94 CRAdditionalSel *add_sel ; 95 96 /* 97 *the specificity as specified by 98 *chapter 6.4.3 of the spec. 99 */ 100 gulong specificity ; 101 102 CRSimpleSel *next ; 103 CRSimpleSel *prev ; 104 CRParsingLocation location ; 105} ; 106 107CRSimpleSel * cr_simple_sel_new (void) ; 108 109CRSimpleSel * cr_simple_sel_append_simple_sel (CRSimpleSel *a_this, 110 CRSimpleSel *a_sel) ; 111 112CRSimpleSel * cr_simple_sel_prepend_simple_sel (CRSimpleSel *a_this, 113 CRSimpleSel *a_sel) ; 114 115guchar * cr_simple_sel_to_string (CRSimpleSel *a_this) ; 116 117guchar * cr_simple_sel_one_to_string (CRSimpleSel * a_this) ; 118 119enum CRStatus cr_simple_sel_dump (CRSimpleSel *a_this, FILE *a_fp) ; 120 121enum CRStatus cr_simple_sel_dump_attr_sel_list (CRSimpleSel *a_this) ; 122 123enum CRStatus cr_simple_sel_compute_specificity (CRSimpleSel *a_this) ; 124 125void cr_simple_sel_destroy (CRSimpleSel *a_this) ; 126 127G_END_DECLS 128 129 130#endif /*__CR_SIMPLE_SEL_H__*/ 131