1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* ***** BEGIN LICENSE BLOCK *****
3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 * The contents of this file are subject to the Mozilla Public License Version
6 * 1.1 (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 * http://www.mozilla.org/MPL/
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
15 * The Original Code is atom lists for CSS pseudos.
17 * The Initial Developer of the Original Code is
18 * Netscape Communications Corporation.
19 * Portions created by the Initial Developer are Copyright (C) 1998
20 * the Initial Developer. All Rights Reserved.
23 * L. David Baron <dbaron@dbaron.org>
25 * Alternatively, the contents of this file may be used under the terms of
26 * either the GNU General Public License Version 2 or later (the "GPL"), or
27 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 * in which case the provisions of the GPL or the LGPL are applicable instead
29 * of those above. If you wish to allow use of your version of this file only
30 * under the terms of either the GPL or the LGPL, and not to allow others to
31 * use your version of this file under the terms of the MPL, indicate your
32 * decision by deleting the provisions above and replace them with the notice
33 * and other provisions required by the GPL or the LGPL. If you do not delete
34 * the provisions above, a recipient may use your version of this file under
35 * the terms of any one of the MPL, the GPL or the LGPL.
37 * ***** END LICENSE BLOCK ***** */
39 /* atom list for CSS pseudo-elements */
41 #include "nsCSSPseudoElements.h"
42 #include "nsAtomListUtils.h"
43 #include "nsStaticAtom.h"
45 #include "nsCSSAnonBoxes.h"
47 // define storage for all atoms
48 #define CSS_PSEUDO_ELEMENT(name_, value_, flags_) \
49 nsICSSPseudoElement* nsCSSPseudoElements::name_;
50 #include "nsCSSPseudoElementList.h"
51 #undef CSS_PSEUDO_ELEMENT
53 #define CSS_PSEUDO_ELEMENT(name_, value_, flags_) \
54 NS_STATIC_ATOM_BUFFER(name_##_buffer, value_)
55 #include "nsCSSPseudoElementList.h"
56 #undef CSS_PSEUDO_ELEMENT
58 static const nsStaticAtom CSSPseudoElements_info
[] = {
59 #define CSS_PSEUDO_ELEMENT(name_, value_, flags_) \
60 NS_STATIC_ATOM(name_##_buffer, (nsIAtom**)&nsCSSPseudoElements::name_),
61 #include "nsCSSPseudoElementList.h"
62 #undef CSS_PSEUDO_ELEMENT
65 // Separate from the array above so that we can have an array of
66 // nsStaticAtom (to pass to NS_RegisterStaticAtoms and
67 // nsAtomListUtils::IsMember), but with corresponding indices (so the
68 // i-th element of this array is the flags for the i-th pseudo-element
69 // in the previous array).
70 static const PRUint32 CSSPseudoElements_flags
[] = {
71 #define CSS_PSEUDO_ELEMENT(name_, value_, flags_) \
73 #include "nsCSSPseudoElementList.h"
74 #undef CSS_PSEUDO_ELEMENT
77 void nsCSSPseudoElements::AddRefAtoms()
79 NS_RegisterStaticAtoms(CSSPseudoElements_info
,
80 NS_ARRAY_LENGTH(CSSPseudoElements_info
));
83 PRBool
nsCSSPseudoElements::IsPseudoElement(nsIAtom
*aAtom
)
85 return nsAtomListUtils::IsMember(aAtom
, CSSPseudoElements_info
,
86 NS_ARRAY_LENGTH(CSSPseudoElements_info
));
90 nsCSSPseudoElements::IsCSS2PseudoElement(nsIAtom
*aAtom
)
92 // We don't implement this using PseudoElementHasFlags because callers
93 // want to pass things that could be anon boxes.
94 NS_ASSERTION(nsCSSPseudoElements::IsPseudoElement(aAtom
) ||
95 nsCSSAnonBoxes::IsAnonBox(aAtom
),
96 "must be pseudo element or anon box");
97 PRBool result
= aAtom
== nsCSSPseudoElements::after
||
98 aAtom
== nsCSSPseudoElements::before
||
99 aAtom
== nsCSSPseudoElements::firstLetter
||
100 aAtom
== nsCSSPseudoElements::firstLine
;
101 NS_ASSERTION(nsCSSAnonBoxes::IsAnonBox(aAtom
) ||
103 PseudoElementHasFlags(aAtom
, CSS_PSEUDO_ELEMENT_IS_CSS2
),
104 "result doesn't match flags");
108 /* static */ nsCSSPseudoElements::Type
109 nsCSSPseudoElements::GetPseudoType(nsIAtom
*aAtom
)
111 for (PRUint32 i
= 0; i
< NS_ARRAY_LENGTH(CSSPseudoElements_info
); ++i
) {
112 if (*CSSPseudoElements_info
[i
].mAtom
== aAtom
) {
117 if (nsCSSAnonBoxes::IsAnonBox(aAtom
)) {
119 if (nsCSSAnonBoxes::IsTreePseudoElement(aAtom
)) {
120 return ePseudo_XULTree
;
124 return ePseudo_AnonBox
;
127 return ePseudo_NotPseudoElement
;
130 /* static */ nsIAtom
*
131 nsCSSPseudoElements::GetPseudoAtom(Type aType
)
133 NS_ASSERTION(aType
< nsCSSPseudoElements::ePseudo_PseudoElementCount
,
135 return *CSSPseudoElements_info
[aType
].mAtom
;
138 /* static */ PRUint32
139 nsCSSPseudoElements::FlagsForPseudoElement(nsIAtom
*aAtom
)
142 for (i
= 0; i
< NS_ARRAY_LENGTH(CSSPseudoElements_info
); ++i
) {
143 if (*CSSPseudoElements_info
[i
].mAtom
== aAtom
) {
147 NS_ASSERTION(i
< NS_ARRAY_LENGTH(CSSPseudoElements_info
),
148 "argument must be a pseudo-element");
149 return CSSPseudoElements_flags
[i
];