1 /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
4 * This file is part of The Croco Library
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.
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.
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
20 * Author: Dodji Seketeli
21 * See COPYRIGHTS file for copyright information.
27 #include "cr-selector.h"
28 #include "cr-declaration.h"
30 #ifndef __CR_STATEMENT_H__
31 #define __CR_STATEMENT_H__
37 *Declaration of the #CRStatement class.
41 *forward declaration of CRStyleSheet which is defined in
48 *typedef struct _CRStatement CRStatement ;
49 *this is forward declared in
50 *cr-declaration.h already.
53 struct _CRAtMediaRule ;
54 typedef struct _CRAtMediaRule CRAtMediaRule ;
56 typedef struct _CRRuleSet CRRuleSet ;
59 *The abstraction of a css ruleset.
60 *A ruleset is made of a list of selectors,
61 *followed by a list of declarations.
65 /**A list of instances of #CRSimpeSel*/
66 CRSelector *sel_list ;
68 /**A list of instances of #CRDeclaration*/
69 CRDeclaration *decl_list ;
72 *The parent media rule, or NULL if
73 *no parent media rule exists.
75 CRStatement *parent_media_rule ;
79 *a forward declaration of CRStylesheet.
80 *CRStylesheet is actually declared in
83 struct _CRStyleSheet ;
84 typedef struct _CRStyleSheet CRStyleSheet;
87 /**The @import rule abstraction.*/
88 typedef struct _CRAtImportRule CRAtImportRule ;
89 struct _CRAtImportRule
91 /**the url of the import rule*/
97 *the stylesheet fetched from the url, if any.
98 *this is not "owned" by #CRAtImportRule which means
99 *it is not destroyed by the destructor of #CRAtImportRule.
101 CRStyleSheet * sheet;
105 /**abstraction of an @media rule*/
106 struct _CRAtMediaRule
109 CRStatement *rulesets ;
113 typedef struct _CRAtPageRule CRAtPageRule ;
114 /**The @page rule abstraction*/
117 /**a list of instances of #CRDeclaration*/
118 CRDeclaration *decl_list ;
120 /**page selector. Is a pseudo selector*/
125 /**The @charset rule abstraction*/
126 typedef struct _CRAtCharsetRule CRAtCharsetRule ;
127 struct _CRAtCharsetRule
132 /**The abstaction of the @font-face rule.*/
133 typedef struct _CRAtFontFaceRule CRAtFontFaceRule ;
134 struct _CRAtFontFaceRule
136 /*a list of instanaces of #CRDeclaration*/
137 CRDeclaration *decl_list ;
142 *The possible types of css2 statements.
147 *A generic css at-rule
148 *each unknown at-rule will
158 /**A css2 import rule*/
161 /**A css2 media rule*/
164 /**A css2 page rule*/
167 /**A css2 charset rule*/
168 AT_CHARSET_RULE_STMT,
170 /**A css2 font face rule*/
171 AT_FONT_FACE_RULE_STMT
176 *The abstraction of css statement as defined
177 *in the chapter 4 and appendix D.1 of the css2 spec.
178 *A statement is actually a double chained list of
179 *statements.A statement can be a ruleset, an \@import
180 *rule, an \@page rule etc ...
185 *The type of the statement.
187 enum CRStatementType type ;
192 CRAtImportRule *import_rule ;
193 CRAtMediaRule *media_rule ;
194 CRAtPageRule *page_rule ;
195 CRAtCharsetRule *charset_rule ;
196 CRAtFontFaceRule *font_face_rule ;
200 *the specificity of the selector
201 *that matched this statement.
202 *This is only used by the cascading
203 *order determination algorithm.
208 *the style sheet that contains
211 CRStyleSheet *parent_sheet ;
215 CRParsingLocation location ;
218 *a custom pointer useable by
219 *applications that use libcroco.
220 *libcroco itself will never modify
226 *a custom pointer used
227 *by the upper layers of libcroco.
228 *application should never use this
231 gpointer croco_data ;
237 cr_statement_does_buf_parses_against_core (const guchar *a_buf,
238 enum CREncoding a_encoding) ;
240 cr_statement_parse_from_buf (const guchar *a_buf,
241 enum CREncoding a_encoding) ;
243 cr_statement_new_ruleset (CRStyleSheet *a_sheet,
244 CRSelector *a_sel_list,
245 CRDeclaration *a_decl_list,
246 CRStatement *a_media_rule) ;
248 cr_statement_ruleset_parse_from_buf (const guchar * a_buf,
249 enum CREncoding a_enc) ;
252 cr_statement_new_at_import_rule (CRStyleSheet *a_container_sheet,
255 CRStyleSheet *a_imported_sheet) ;
258 cr_statement_at_import_rule_parse_from_buf (const guchar * a_buf,
259 enum CREncoding a_encoding) ;
262 cr_statement_new_at_media_rule (CRStyleSheet *a_sheet,
263 CRStatement *a_ruleset,
266 cr_statement_at_media_rule_parse_from_buf (const guchar *a_buf,
267 enum CREncoding a_enc) ;
270 cr_statement_new_at_charset_rule (CRStyleSheet *a_sheet,
271 CRString *a_charset) ;
273 cr_statement_at_charset_rule_parse_from_buf (const guchar *a_buf,
274 enum CREncoding a_encoding);
278 cr_statement_new_at_font_face_rule (CRStyleSheet *a_sheet,
279 CRDeclaration *a_font_decls) ;
281 cr_statement_font_face_rule_parse_from_buf (const guchar *a_buf,
282 enum CREncoding a_encoding) ;
285 cr_statement_new_at_page_rule (CRStyleSheet *a_sheet,
286 CRDeclaration *a_decl_list,
288 CRString *a_pseudo) ;
290 cr_statement_at_page_rule_parse_from_buf (const guchar *a_buf,
291 enum CREncoding a_encoding) ;
294 cr_statement_set_parent_sheet (CRStatement *a_this,
295 CRStyleSheet *a_sheet) ;
298 cr_statement_get_parent_sheet (CRStatement *a_this,
299 CRStyleSheet **a_sheet) ;
302 cr_statement_append (CRStatement *a_this,
303 CRStatement *a_new) ;
306 cr_statement_prepend (CRStatement *a_this,
307 CRStatement *a_new) ;
310 cr_statement_unlink (CRStatement *a_stmt) ;
313 cr_statement_ruleset_set_sel_list (CRStatement *a_this,
314 CRSelector *a_sel_list) ;
317 cr_statement_ruleset_get_sel_list (CRStatement *a_this,
318 CRSelector **a_list) ;
321 cr_statement_ruleset_set_decl_list (CRStatement *a_this,
322 CRDeclaration *a_list) ;
325 cr_statement_ruleset_get_declarations (CRStatement *a_this,
326 CRDeclaration **a_decl_list) ;
329 cr_statement_ruleset_append_decl2 (CRStatement *a_this,
330 CRString *a_prop, CRTerm *a_value) ;
333 cr_statement_ruleset_append_decl (CRStatement *a_this,
334 CRDeclaration *a_decl) ;
337 cr_statement_at_import_rule_set_imported_sheet (CRStatement *a_this,
338 CRStyleSheet *a_sheet) ;
341 cr_statement_at_import_rule_get_imported_sheet (CRStatement *a_this,
342 CRStyleSheet **a_sheet) ;
345 cr_statement_at_import_rule_set_url (CRStatement *a_this,
349 cr_statement_at_import_rule_get_url (CRStatement *a_this,
353 cr_statement_at_media_nr_rules (CRStatement *a_this) ;
356 cr_statement_at_media_get_from_list (CRStatement *a_this, int itemnr) ;
359 cr_statement_at_page_rule_set_sel (CRStatement *a_this,
363 cr_statement_at_page_rule_get_sel (CRStatement *a_this,
364 CRSelector **a_sel) ;
367 cr_statement_at_page_rule_set_declarations (CRStatement *a_this,
368 CRDeclaration *a_decl_list) ;
371 cr_statement_at_page_rule_get_declarations (CRStatement *a_this,
372 CRDeclaration **a_decl_list) ;
375 cr_statement_at_charset_rule_set_charset (CRStatement *a_this,
376 CRString *a_charset) ;
379 cr_statement_at_charset_rule_get_charset (CRStatement *a_this,
380 CRString **a_charset) ;
383 cr_statement_at_font_face_rule_set_decls (CRStatement *a_this,
384 CRDeclaration *a_decls) ;
387 cr_statement_at_font_face_rule_get_decls (CRStatement *a_this,
388 CRDeclaration **a_decls) ;
391 cr_statement_at_font_face_rule_add_decl (CRStatement *a_this,
396 cr_statement_to_string (CRStatement * a_this, gulong a_indent) ;
399 cr_statement_list_to_string (CRStatement *a_this, gulong a_indent) ;
402 cr_statement_dump (CRStatement *a_this, FILE *a_fp, gulong a_indent) ;
405 cr_statement_dump_ruleset (CRStatement * a_this, FILE * a_fp,
409 cr_statement_dump_font_face_rule (CRStatement * a_this,
414 cr_statement_dump_page (CRStatement * a_this, FILE * a_fp,
419 cr_statement_dump_media_rule (CRStatement * a_this,
424 cr_statement_dump_import_rule (CRStatement * a_this, FILE * a_fp,
427 cr_statement_dump_charset (CRStatement * a_this, FILE * a_fp,
430 cr_statement_nr_rules (CRStatement *a_this) ;
433 cr_statement_get_from_list (CRStatement *a_this, int itemnr) ;
436 cr_statement_destroy (CRStatement *a_this) ;
440 #endif /*__CR_STATEMENT_H__*/