1 /* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */ 2 3 /* libcroco - Library for parsing and applying CSS 4 * Copyright (C) 2006-2019 Free Software Foundation, Inc. 5 * 6 * This file is not part of the GNU gettext program, but is used with 7 * GNU gettext. 8 * 9 * The original copyright notice is as follows: 10 */ 11 12 /* 13 * This file is part of The Croco Library 14 * 15 * Copyright (C) 2003-2004 Dodji Seketeli. All Rights Reserved. 16 * 17 * This program is free software; you can redistribute it and/or 18 * modify it under the terms of version 2.1 of the GNU Lesser General Public 19 * License as published by the Free Software Foundation. 20 * 21 * This program is distributed in the hope that it will be useful, 22 * but WITHOUT ANY WARRANTY; without even the implied warranty of 23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 24 * GNU General Public License for more details. 25 * 26 * You should have received a copy of the GNU Lesser General Public License 27 * along with this program; if not, write to the Free Software 28 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 29 * USA 30 * 31 * Author: Dodji Seketeli 32 */ 33 34 #ifndef __CR_SEL_ENG_H__ 35 #define __CR_SEL_ENG_H__ 36 37 #include "cr-utils.h" 38 #include "cr-stylesheet.h" 39 #include "cr-cascade.h" 40 #include "cr-style.h" 41 #include "cr-prop-list.h" 42 43 #include <libxml/tree.h> 44 45 /** 46 *@file: 47 *The declaration of the #CRSelEng class. 48 *The #CRSelEng is actually the "Selection Engine" 49 *class. 50 */ 51 52 G_BEGIN_DECLS 53 54 typedef struct _CRSelEng CRSelEng ; 55 typedef struct _CRSelEngPriv CRSelEngPriv ; 56 57 /** 58 *The Selection engine class. 59 *The main service provided by this class, is 60 *the ability to interpret a libcroco implementation 61 *of css2 selectors, and given an xml node, say if 62 *the selector matches the node or not. 63 */ 64 struct _CRSelEng 65 { 66 CRSelEngPriv *priv ; 67 } ; 68 69 70 typedef gboolean (*CRPseudoClassSelectorHandler) (CRSelEng* a_this, 71 CRAdditionalSel *a_add_sel, 72 xmlNode *a_node) ; 73 CRSelEng * cr_sel_eng_new (void) ; 74 75 enum CRStatus cr_sel_eng_register_pseudo_class_sel_handler (CRSelEng *a_this, 76 guchar *a_pseudo_class_sel_name, 77 enum CRPseudoType a_pseudo_class_type, 78 CRPseudoClassSelectorHandler a_handler) ; 79 80 enum CRStatus cr_sel_eng_unregister_pseudo_class_sel_handler (CRSelEng *a_this, 81 guchar *a_pseudo_class_sel_name, 82 enum CRPseudoType a_pseudo_class_type) ; 83 84 enum CRStatus cr_sel_eng_unregister_all_pseudo_class_sel_handlers (CRSelEng *a_this) ; 85 86 enum CRStatus cr_sel_eng_get_pseudo_class_selector_handler (CRSelEng *a_this, 87 guchar *a_pseudo_class_sel_name, 88 enum CRPseudoType a_pseudo_class_type, 89 CRPseudoClassSelectorHandler *a_handler) ; 90 91 enum CRStatus cr_sel_eng_matches_node (CRSelEng *a_this, 92 CRSimpleSel *a_sel, 93 xmlNode *a_node, 94 gboolean *a_result) ; 95 96 enum CRStatus cr_sel_eng_get_matched_rulesets (CRSelEng *a_this, 97 CRStyleSheet *a_sheet, 98 xmlNode *a_node, 99 CRStatement ***a_rulesets, 100 gulong *a_len) ; 101 102 enum CRStatus 103 cr_sel_eng_get_matched_properties_from_cascade (CRSelEng *a_this, 104 CRCascade *a_cascade, 105 xmlNode *a_node, 106 CRPropList **a_props) ; 107 108 enum CRStatus cr_sel_eng_get_matched_style (CRSelEng *a_this, 109 CRCascade *a_cascade, 110 xmlNode *a_node, 111 CRStyle *a_parent_style, 112 CRStyle **a_style, 113 gboolean a_set_props_to_initial_values) ; 114 115 void cr_sel_eng_destroy (CRSelEng *a_this) ; 116 117 G_END_DECLS 118 119 120 #endif/*__CR_SEL_ENG_H__*/ 121