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 * 32 * Author: Dodji Seketeli 33 */ 34 35 #ifndef __CR_SELECTOR_H__ 36 #define __CR_SELECTOR_H__ 37 38 #include <stdio.h> 39 #include "cr-utils.h" 40 #include "cr-simple-sel.h" 41 #include "cr-parsing-location.h" 42 43 /** 44 *@file 45 *The declaration file of the #CRSelector file. 46 */ 47 48 G_BEGIN_DECLS 49 50 typedef struct _CRSelector CRSelector ; 51 52 /** 53 *Abstracts a CSS2 selector as defined in the right part 54 *of the 'ruleset" production in the appendix D.1 of the 55 *css2 spec. 56 *It is actually the abstraction of a comma separated list 57 *of simple selectors list. 58 *In a css2 file, a selector is a list of simple selectors 59 *separated by a comma. 60 *e.g: sel0, sel1, sel2 ... 61 *Each seln is a simple selector 62 */ 63 struct _CRSelector 64 { 65 /** 66 *A Selection expression. 67 *It is a list of basic selectors. 68 *Each basic selector can be either an element 69 *selector, an id selector, a class selector, an 70 *attribute selector, an universal selector etc ... 71 */ 72 CRSimpleSel *simple_sel ; 73 74 /**The next selector list element*/ 75 CRSelector *next ; 76 CRSelector *prev ; 77 CRParsingLocation location ; 78 glong ref_count ; 79 }; 80 81 CRSelector* cr_selector_new (CRSimpleSel *a_sel_expr) ; 82 83 CRSelector * cr_selector_parse_from_buf (const guchar * a_char_buf, 84 enum CREncoding a_enc) ; 85 86 CRSelector* cr_selector_append (CRSelector *a_this, CRSelector *a_new) ; 87 88 CRSelector* cr_selector_append_simple_sel (CRSelector *a_this, 89 CRSimpleSel *a_simple_sel) ; 90 91 CRSelector* cr_selector_prepend (CRSelector *a_this, CRSelector *a_new) ; 92 93 guchar * cr_selector_to_string (CRSelector const *a_this) ; 94 95 void cr_selector_dump (CRSelector const *a_this, FILE *a_fp) ; 96 97 void cr_selector_ref (CRSelector *a_this) ; 98 99 gboolean cr_selector_unref (CRSelector *a_this) ; 100 101 void cr_selector_destroy (CRSelector *a_this) ; 102 103 G_END_DECLS 104 105 #endif /*__CR_SELECTOR_H__*/ 106